1dnl === configure.ac --------------------------------------------------------=== 2dnl The LLVM Compiler Infrastructure 3dnl 4dnl This file is distributed under the University of Illinois Open Source 5dnl License. See LICENSE.TXT for details. 6dnl 7dnl===-----------------------------------------------------------------------=== 8dnl This is the LLVM configuration script. It is processed by the autoconf 9dnl program to produce a script named configure. This script contains the 10dnl configuration checks that LLVM needs in order to support multiple platforms. 11dnl This file is composed of 10 sections per the recommended organization of 12dnl autoconf input defined in the autoconf documentation. As this file evolves, 13dnl please keep the various types of checks within their sections. The sections 14dnl are as follows: 15dnl 16dnl SECTION 1: Initialization & Setup 17dnl SECTION 2: Architecture, target, and host checks 18dnl SECTION 3: Command line arguments for the configure script. 19dnl SECTION 4: Check for programs we need and that they are the right version 20dnl SECTION 5: Check for libraries 21dnl SECTION 6: Check for header files 22dnl SECTION 7: Check for types and structures 23dnl SECTION 8: Check for specific functions needed 24dnl SECTION 9: Additional checks, variables, etc. 25dnl SECTION 10: Specify the output files and generate it 26dnl 27dnl===-----------------------------------------------------------------------=== 28dnl=== 29dnl=== SECTION 1: Initialization & Setup 30dnl=== 31dnl===-----------------------------------------------------------------------=== 32dnl Initialize autoconf and define the package name, version number and 33dnl address for reporting bugs. 34AC_INIT([LLVM],[3.2svn],[http://llvm.org/bugs/]) 35AC_DEFINE([LLVM_VERSION_MAJOR], [3], [Major version of the LLVM API]) 36AC_DEFINE([LLVM_VERSION_MINOR], [2], [Minor version of the LLVM API]) 37 38dnl Provide a copyright substitution and ensure the copyright notice is included 39dnl in the output of --version option of the generated configure script. 40AC_SUBST(LLVM_COPYRIGHT,["Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign."]) 41AC_COPYRIGHT([Copyright (c) 2003-2012 University of Illinois at Urbana-Champaign.]) 42 43dnl Indicate that we require autoconf 2.60 or later. 44AC_PREREQ(2.60) 45 46dnl Verify that the source directory is valid. This makes sure that we are 47dnl configuring LLVM and not some other package (it validates --srcdir argument) 48AC_CONFIG_SRCDIR([lib/VMCore/Module.cpp]) 49 50dnl Place all of the extra autoconf files into the config subdirectory. Tell 51dnl various tools where the m4 autoconf macros are. 52AC_CONFIG_AUX_DIR([autoconf]) 53 54dnl Quit if the source directory has already been configured. 55dnl NOTE: This relies upon undocumented autoconf behavior. 56if test ${srcdir} != "." ; then 57 if test -f ${srcdir}/include/llvm/Config/config.h ; then 58 AC_MSG_ERROR([Already configured in ${srcdir}]) 59 fi 60fi 61 62dnl We need to check for the compiler up here to avoid anything else 63dnl starting with a different one. 64AC_PROG_CC(clang llvm-gcc gcc) 65AC_PROG_CXX(clang++ llvm-g++ g++) 66AC_PROG_CPP 67 68dnl Configure all of the projects present in our source tree. While we could 69dnl just AC_CONFIG_SUBDIRS on the set of directories in projects that have a 70dnl configure script, that usage of the AC_CONFIG_SUBDIRS macro is deprecated. 71dnl Instead we match on the known projects. 72 73dnl 74dnl One tricky part of doing this is that some projects depend upon other 75dnl projects. For example, several projects rely upon the LLVM test suite. 76dnl We want to configure those projects first so that their object trees are 77dnl created before running the configure scripts of projects that depend upon 78dnl them. 79dnl 80 81dnl Several projects use llvm-gcc, so configure that first 82if test -d ${srcdir}/projects/llvm-gcc ; then 83 AC_CONFIG_SUBDIRS([projects/llvm-gcc]) 84fi 85 86dnl Several projects use the LLVM test suite, so configure it next. 87if test -d ${srcdir}/projects/test-suite ; then 88 AC_CONFIG_SUBDIRS([projects/test-suite]) 89fi 90 91dnl llvm-test is the old name of the test-suite, kept here for backwards 92dnl compatibility 93if test -d ${srcdir}/projects/llvm-test ; then 94 AC_CONFIG_SUBDIRS([projects/llvm-test]) 95fi 96 97dnl Some projects use poolalloc; configure that next 98if test -d ${srcdir}/projects/poolalloc ; then 99 AC_CONFIG_SUBDIRS([projects/poolalloc]) 100fi 101 102if test -d ${srcdir}/projects/llvm-poolalloc ; then 103 AC_CONFIG_SUBDIRS([projects/llvm-poolalloc]) 104fi 105 106dnl Check for all other projects 107for i in `ls ${srcdir}/projects` 108do 109 if test -d ${srcdir}/projects/${i} ; then 110 case ${i} in 111 sample) AC_CONFIG_SUBDIRS([projects/sample]) ;; 112 privbracket) AC_CONFIG_SUBDIRS([projects/privbracket]) ;; 113 llvm-stacker) AC_CONFIG_SUBDIRS([projects/llvm-stacker]) ;; 114 llvm-reopt) AC_CONFIG_SUBDIRS([projects/llvm-reopt]);; 115 llvm-java) AC_CONFIG_SUBDIRS([projects/llvm-java]) ;; 116 llvm-tv) AC_CONFIG_SUBDIRS([projects/llvm-tv]) ;; 117 safecode) AC_CONFIG_SUBDIRS([projects/safecode]) ;; 118 llvm-kernel) AC_CONFIG_SUBDIRS([projects/llvm-kernel]) ;; 119 compiler-rt) ;; 120 llvm-gcc) ;; 121 test-suite) ;; 122 llvm-test) ;; 123 poolalloc) ;; 124 llvm-poolalloc) ;; 125 *) 126 AC_MSG_WARN([Unknown project (${i}) won't be configured automatically]) 127 ;; 128 esac 129 fi 130done 131 132dnl Disable the build of polly, even if it is checked out into tools/polly. 133AC_ARG_ENABLE(polly, 134 AS_HELP_STRING([--enable-polly], 135 [Use polly if available (default is YES)]),, 136 enableval=default) 137case "$enableval" in 138 yes) AC_SUBST(ENABLE_POLLY,[1]) ;; 139 no) AC_SUBST(ENABLE_POLLY,[0]) ;; 140 default) AC_SUBST(ENABLE_POLLY,[1]) ;; 141 *) AC_MSG_ERROR([Invalid setting for --enable-polly. Use "yes" or "no"]) ;; 142esac 143 144 145dnl Check if polly is checked out into tools/polly and configure it if 146dnl available. 147if (test -d ${srcdir}/tools/polly) && (test $ENABLE_POLLY -eq 1) ; then 148 AC_SUBST(LLVM_HAS_POLLY,1) 149 AC_CONFIG_SUBDIRS([tools/polly]) 150fi 151 152dnl===-----------------------------------------------------------------------=== 153dnl=== 154dnl=== SECTION 2: Architecture, target, and host checks 155dnl=== 156dnl===-----------------------------------------------------------------------=== 157 158dnl Check the target for which we're compiling and the host that will do the 159dnl compilations. This will tell us which LLVM compiler will be used for 160dnl compiling SSA into object code. This needs to be done early because 161dnl following tests depend on it. 162AC_CANONICAL_TARGET 163 164dnl Determine the platform type and cache its value. This helps us configure 165dnl the System library to the correct build platform. 166AC_CACHE_CHECK([type of operating system we're going to host on], 167 [llvm_cv_os_type], 168[case $host in 169 *-*-aix*) 170 llvm_cv_link_all_option="-Wl,--whole-archive" 171 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 172 llvm_cv_os_type="AIX" 173 llvm_cv_platform_type="Unix" ;; 174 *-*-irix*) 175 llvm_cv_link_all_option="-Wl,--whole-archive" 176 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 177 llvm_cv_os_type="IRIX" 178 llvm_cv_platform_type="Unix" ;; 179 *-*-cygwin*) 180 llvm_cv_link_all_option="-Wl,--whole-archive" 181 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 182 llvm_cv_os_type="Cygwin" 183 llvm_cv_platform_type="Unix" ;; 184 *-*-darwin*) 185 llvm_cv_link_all_option="-Wl,-all_load" 186 llvm_cv_no_link_all_option="-Wl,-noall_load" 187 llvm_cv_os_type="Darwin" 188 llvm_cv_platform_type="Unix" ;; 189 *-*-minix*) 190 llvm_cv_link_all_option="-Wl,-all_load" 191 llvm_cv_no_link_all_option="-Wl,-noall_load" 192 llvm_cv_os_type="Minix" 193 llvm_cv_platform_type="Unix" ;; 194 *-*-freebsd* | *-*-kfreebsd-gnu) 195 llvm_cv_link_all_option="-Wl,--whole-archive" 196 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 197 llvm_cv_os_type="FreeBSD" 198 llvm_cv_platform_type="Unix" ;; 199 *-*-openbsd*) 200 llvm_cv_link_all_option="-Wl,--whole-archive" 201 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 202 llvm_cv_os_type="OpenBSD" 203 llvm_cv_platform_type="Unix" ;; 204 *-*-netbsd*) 205 llvm_cv_link_all_option="-Wl,--whole-archive" 206 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 207 llvm_cv_os_type="NetBSD" 208 llvm_cv_platform_type="Unix" ;; 209 *-*-dragonfly*) 210 llvm_cv_link_all_option="-Wl,--whole-archive" 211 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 212 llvm_cv_os_type="DragonFly" 213 llvm_cv_platform_type="Unix" ;; 214 *-*-hpux*) 215 llvm_cv_link_all_option="-Wl,--whole-archive" 216 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 217 llvm_cv_os_type="HP-UX" 218 llvm_cv_platform_type="Unix" ;; 219 *-*-interix*) 220 llvm_cv_link_all_option="-Wl,--whole-archive" 221 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 222 llvm_cv_os_type="Interix" 223 llvm_cv_platform_type="Unix" ;; 224 *-*-linux*) 225 llvm_cv_link_all_option="-Wl,--whole-archive" 226 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 227 llvm_cv_os_type="Linux" 228 llvm_cv_platform_type="Unix" ;; 229 *-*-gnu*) 230 llvm_cv_link_all_option="-Wl,--whole-archive" 231 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 232 llvm_cv_os_type="GNU" 233 llvm_cv_platform_type="Unix" ;; 234 *-*-solaris*) 235 llvm_cv_link_all_option="-Wl,-z,allextract" 236 llvm_cv_no_link_all_option="-Wl,-z,defaultextract" 237 llvm_cv_os_type="SunOS" 238 llvm_cv_platform_type="Unix" ;; 239 *-*-auroraux*) 240 llvm_cv_link_all_option="-Wl,-z,allextract" 241 llvm_cv_link_all_option="-Wl,-z,defaultextract" 242 llvm_cv_os_type="AuroraUX" 243 llvm_cv_platform_type="Unix" ;; 244 *-*-win32*) 245 llvm_cv_link_all_option="-Wl,--whole-archive" 246 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 247 llvm_cv_os_type="Win32" 248 llvm_cv_platform_type="Win32" ;; 249 *-*-mingw*) 250 llvm_cv_link_all_option="-Wl,--whole-archive" 251 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 252 llvm_cv_os_type="MingW" 253 llvm_cv_platform_type="Win32" ;; 254 *-*-haiku*) 255 llvm_cv_link_all_option="-Wl,--whole-archive" 256 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 257 llvm_cv_os_type="Haiku" 258 llvm_cv_platform_type="Unix" ;; 259 *-unknown-eabi*) 260 llvm_cv_link_all_option="-Wl,--whole-archive" 261 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 262 llvm_cv_os_type="Freestanding" 263 llvm_cv_platform_type="Unix" ;; 264 *-unknown-elf*) 265 llvm_cv_link_all_option="-Wl,--whole-archive" 266 llvm_cv_no_link_all_option="-Wl,--no-whole-archive" 267 llvm_cv_os_type="Freestanding" 268 llvm_cv_platform_type="Unix" ;; 269 *) 270 llvm_cv_link_all_option="" 271 llvm_cv_no_link_all_option="" 272 llvm_cv_os_type="Unknown" 273 llvm_cv_platform_type="Unknown" ;; 274esac]) 275 276AC_CACHE_CHECK([type of operating system we're going to target], 277 [llvm_cv_target_os_type], 278[case $target in 279 *-*-aix*) 280 llvm_cv_target_os_type="AIX" ;; 281 *-*-irix*) 282 llvm_cv_target_os_type="IRIX" ;; 283 *-*-cygwin*) 284 llvm_cv_target_os_type="Cygwin" ;; 285 *-*-darwin*) 286 llvm_cv_target_os_type="Darwin" ;; 287 *-*-minix*) 288 llvm_cv_target_os_type="Minix" ;; 289 *-*-freebsd* | *-*-kfreebsd-gnu) 290 llvm_cv_target_os_type="FreeBSD" ;; 291 *-*-openbsd*) 292 llvm_cv_target_os_type="OpenBSD" ;; 293 *-*-netbsd*) 294 llvm_cv_target_os_type="NetBSD" ;; 295 *-*-dragonfly*) 296 llvm_cv_target_os_type="DragonFly" ;; 297 *-*-hpux*) 298 llvm_cv_target_os_type="HP-UX" ;; 299 *-*-interix*) 300 llvm_cv_target_os_type="Interix" ;; 301 *-*-linux*) 302 llvm_cv_target_os_type="Linux" ;; 303 *-*-gnu*) 304 llvm_cv_target_os_type="GNU" ;; 305 *-*-solaris*) 306 llvm_cv_target_os_type="SunOS" ;; 307 *-*-auroraux*) 308 llvm_cv_target_os_type="AuroraUX" ;; 309 *-*-win32*) 310 llvm_cv_target_os_type="Win32" ;; 311 *-*-mingw*) 312 llvm_cv_target_os_type="MingW" ;; 313 *-*-haiku*) 314 llvm_cv_target_os_type="Haiku" ;; 315 *-*-rtems*) 316 llvm_cv_target_os_type="RTEMS" ;; 317 *-*-nacl*) 318 llvm_cv_target_os_type="NativeClient" ;; 319 *-unknown-eabi*) 320 llvm_cv_target_os_type="Freestanding" ;; 321 *) 322 llvm_cv_target_os_type="Unknown" ;; 323esac]) 324 325dnl Make sure we aren't attempting to configure for an unknown system 326if test "$llvm_cv_os_type" = "Unknown" ; then 327 AC_MSG_ERROR([Operating system is unknown, configure can't continue]) 328fi 329 330dnl Set the "OS" Makefile variable based on the platform type so the 331dnl makefile can configure itself to specific build hosts 332AC_SUBST(OS,$llvm_cv_os_type) 333AC_SUBST(HOST_OS,$llvm_cv_os_type) 334AC_SUBST(TARGET_OS,$llvm_cv_target_os_type) 335 336dnl Set the LINKALL and NOLINKALL Makefile variables based on the platform 337AC_SUBST(LINKALL,$llvm_cv_link_all_option) 338AC_SUBST(NOLINKALL,$llvm_cv_no_link_all_option) 339 340dnl Set the "LLVM_ON_*" variables based on llvm_cv_platform_type 341dnl This is used by lib/Support to determine the basic kind of implementation 342dnl to use. 343case $llvm_cv_platform_type in 344 Unix) 345 AC_DEFINE([LLVM_ON_UNIX],[1],[Define if this is Unixish platform]) 346 AC_SUBST(LLVM_ON_UNIX,[1]) 347 AC_SUBST(LLVM_ON_WIN32,[0]) 348 ;; 349 Win32) 350 AC_DEFINE([LLVM_ON_WIN32],[1],[Define if this is Win32ish platform]) 351 AC_SUBST(LLVM_ON_UNIX,[0]) 352 AC_SUBST(LLVM_ON_WIN32,[1]) 353 ;; 354esac 355 356dnl Determine what our target architecture is and configure accordingly. 357dnl This will allow Makefiles to make a distinction between the hardware and 358dnl the OS. 359AC_CACHE_CHECK([target architecture],[llvm_cv_target_arch], 360[case $target in 361 i?86-*) llvm_cv_target_arch="x86" ;; 362 amd64-* | x86_64-*) llvm_cv_target_arch="x86_64" ;; 363 sparc*-*) llvm_cv_target_arch="Sparc" ;; 364 powerpc*-*) llvm_cv_target_arch="PowerPC" ;; 365 arm*-*) llvm_cv_target_arch="ARM" ;; 366 mips-*) llvm_cv_target_arch="Mips" ;; 367 mipsel-*) llvm_cv_target_arch="Mips" ;; 368 xcore-*) llvm_cv_target_arch="XCore" ;; 369 msp430-*) llvm_cv_target_arch="MSP430" ;; 370 hexagon-*) llvm_cv_target_arch="Hexagon" ;; 371 mblaze-*) llvm_cv_target_arch="MBlaze" ;; 372 nvptx-*) llvm_cv_target_arch="NVPTX" ;; 373 *) llvm_cv_target_arch="Unknown" ;; 374esac]) 375 376if test "$llvm_cv_target_arch" = "Unknown" ; then 377 AC_MSG_WARN([Configuring LLVM for an unknown target archicture]) 378fi 379 380dnl Determine the LLVM native architecture for the target 381case "$llvm_cv_target_arch" in 382 x86) LLVM_NATIVE_ARCH="X86" ;; 383 x86_64) LLVM_NATIVE_ARCH="X86" ;; 384 *) LLVM_NATIVE_ARCH="$llvm_cv_target_arch" ;; 385esac 386 387dnl Define a substitution, ARCH, for the target architecture 388AC_SUBST(ARCH,$llvm_cv_target_arch) 389 390dnl Determine what our host architecture. 391dnl This will allow MCJIT regress tests runs only for supported 392dnl platforms. 393case $host in 394 i?86-*) host_arch="x86" ;; 395 amd64-* | x86_64-*) host_arch="x86_64" ;; 396 sparc*-*) host_arch="Sparc" ;; 397 powerpc*-*) host_arch="PowerPC" ;; 398 arm*-*) host_arch="ARM" ;; 399 mips-*) host_arch="Mips" ;; 400 mipsel-*) host_arch="Mips" ;; 401 xcore-*) host_arch="XCore" ;; 402 msp430-*) host_arch="MSP430" ;; 403 hexagon-*) host_arch="Hexagon" ;; 404 mblaze-*) host_arch="MBlaze" ;; 405 *) host_arch="Unknown" ;; 406esac 407 408if test "$host_arch" = "Unknown" ; then 409 AC_MSG_WARN([Configuring LLVM for an unknown host archicture]) 410fi 411 412AC_SUBST(HOST_ARCH,$host_arch) 413 414dnl Check for the endianness of the target 415AC_C_BIGENDIAN(AC_SUBST([ENDIAN],[big]),AC_SUBST([ENDIAN],[little])) 416 417dnl Check for build platform executable suffix if we're cross-compiling 418if test "$cross_compiling" = yes; then 419 AC_SUBST(LLVM_CROSS_COMPILING, [1]) 420 AC_BUILD_EXEEXT 421 ac_build_prefix=${build_alias}- 422 AC_CHECK_PROG(BUILD_CXX, ${ac_build_prefix}g++, ${ac_build_prefix}g++) 423 if test -z "$BUILD_CXX"; then 424 AC_CHECK_PROG(BUILD_CXX, g++, g++) 425 if test -z "$BUILD_CXX"; then 426 AC_CHECK_PROG(BUILD_CXX, c++, c++, , , /usr/ucb/c++) 427 fi 428 fi 429else 430 AC_SUBST(LLVM_CROSS_COMPILING, [0]) 431fi 432 433dnl Check to see if there's a .svn or .git directory indicating that this 434dnl build is being done from a checkout. This sets up several defaults for 435dnl the command line switches. When we build with a checkout directory, 436dnl we get a debug with assertions turned on. Without, we assume a source 437dnl release and we get an optimized build without assertions. 438dnl See --enable-optimized and --enable-assertions below 439if test -d ".svn" -o -d "${srcdir}/.svn" -o -d ".git" -o -d "${srcdir}/.git"; then 440 cvsbuild="yes" 441 optimize="no" 442 AC_SUBST(CVSBUILD,[[CVSBUILD=1]]) 443else 444 cvsbuild="no" 445 optimize="yes" 446fi 447 448dnl===-----------------------------------------------------------------------=== 449dnl=== 450dnl=== SECTION 3: Command line arguments for the configure script. 451dnl=== 452dnl===-----------------------------------------------------------------------=== 453 454dnl --enable-libcpp : check whether or not to use libc++ on the command line 455AC_ARG_ENABLE(libcpp, 456 AS_HELP_STRING([--enable-libcpp], 457 [Use libc++ if available (default is NO)]),, 458 enableval=default) 459case "$enableval" in 460 yes) AC_SUBST(ENABLE_LIBCPP,[1]) ;; 461 no) AC_SUBST(ENABLE_LIBCPP,[0]) ;; 462 default) AC_SUBST(ENABLE_LIBCPP,[0]);; 463 *) AC_MSG_ERROR([Invalid setting for --enable-libcpp. Use "yes" or "no"]) ;; 464esac 465 466dnl --enable-cxx11 : check whether or not to use -std=c++11 on the command line 467AC_ARG_ENABLE(cxx11, 468 AS_HELP_STRING([--enable-cxx11], 469 [Use c++11 if available (default is NO)]),, 470 enableval=default) 471case "$enableval" in 472 yes) AC_SUBST(ENABLE_CXX11,[1]) ;; 473 no) AC_SUBST(ENABLE_CXX11,[0]) ;; 474 default) AC_SUBST(ENABLE_CXX11,[0]);; 475 *) AC_MSG_ERROR([Invalid setting for --enable-cxx11. Use "yes" or "no"]) ;; 476esac 477 478dnl --enable-optimized : check whether they want to do an optimized build: 479AC_ARG_ENABLE(optimized, AS_HELP_STRING( 480 --enable-optimized,[Compile with optimizations enabled (default is NO)]),,enableval=$optimize) 481if test ${enableval} = "no" ; then 482 AC_SUBST(ENABLE_OPTIMIZED,[[]]) 483else 484 AC_SUBST(ENABLE_OPTIMIZED,[[ENABLE_OPTIMIZED=1]]) 485fi 486 487dnl --enable-profiling : check whether they want to do a profile build: 488AC_ARG_ENABLE(profiling, AS_HELP_STRING( 489 --enable-profiling,[Compile with profiling enabled (default is NO)]),,enableval="no") 490if test ${enableval} = "no" ; then 491 AC_SUBST(ENABLE_PROFILING,[[]]) 492else 493 AC_SUBST(ENABLE_PROFILING,[[ENABLE_PROFILING=1]]) 494fi 495 496dnl --enable-assertions : check whether they want to turn on assertions or not: 497AC_ARG_ENABLE(assertions,AS_HELP_STRING( 498 --enable-assertions,[Compile with assertion checks enabled (default is YES)]),, enableval="yes") 499if test ${enableval} = "yes" ; then 500 AC_SUBST(DISABLE_ASSERTIONS,[[]]) 501else 502 AC_SUBST(DISABLE_ASSERTIONS,[[DISABLE_ASSERTIONS=1]]) 503fi 504 505dnl --enable-werror : check whether we want Werror on by default 506AC_ARG_ENABLE(werror,AS_HELP_STRING( 507 --enable-werror,[Compile with -Werror enabled (default is NO)]),, enableval="no") 508case "$enableval" in 509 yes) AC_SUBST(ENABLE_WERROR,[1]) ;; 510 no) AC_SUBST(ENABLE_WERROR,[0]) ;; 511 default) AC_SUBST(ENABLE_WERROR,[0]);; 512 *) AC_MSG_ERROR([Invalid setting for --enable-werror. Use "yes" or "no"]) ;; 513esac 514 515dnl --enable-expensive-checks : check whether they want to turn on expensive debug checks: 516AC_ARG_ENABLE(expensive-checks,AS_HELP_STRING( 517 --enable-expensive-checks,[Compile with expensive debug checks enabled (default is NO)]),, enableval="no") 518if test ${enableval} = "yes" ; then 519 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[ENABLE_EXPENSIVE_CHECKS=1]]) 520 AC_SUBST(EXPENSIVE_CHECKS,[[yes]]) 521else 522 AC_SUBST(ENABLE_EXPENSIVE_CHECKS,[[]]) 523 AC_SUBST(EXPENSIVE_CHECKS,[[no]]) 524fi 525 526dnl --enable-debug-runtime : should runtime libraries have debug symbols? 527AC_ARG_ENABLE(debug-runtime, 528 AS_HELP_STRING(--enable-debug-runtime,[Build runtime libs with debug symbols (default is NO)]),,enableval=no) 529if test ${enableval} = "no" ; then 530 AC_SUBST(DEBUG_RUNTIME,[[]]) 531else 532 AC_SUBST(DEBUG_RUNTIME,[[DEBUG_RUNTIME=1]]) 533fi 534 535dnl --enable-debug-symbols : should even optimized compiler libraries 536dnl have debug symbols? 537AC_ARG_ENABLE(debug-symbols, 538 AS_HELP_STRING(--enable-debug-symbols,[Build compiler with debug symbols (default is NO if optimization is on and YES if it's off)]),,enableval=no) 539if test ${enableval} = "no" ; then 540 AC_SUBST(DEBUG_SYMBOLS,[[]]) 541else 542 AC_SUBST(DEBUG_SYMBOLS,[[DEBUG_SYMBOLS=1]]) 543fi 544 545dnl --enable-keep-symbols : do not strip installed executables 546AC_ARG_ENABLE(keep-symbols, 547 AS_HELP_STRING(--enable-keep-symbols,[Do not strip installed executables)]),,enableval=no) 548if test ${enableval} = "no" ; then 549 AC_SUBST(KEEP_SYMBOLS,[[]]) 550else 551 AC_SUBST(KEEP_SYMBOLS,[[KEEP_SYMBOLS=1]]) 552fi 553 554dnl --enable-jit: check whether they want to enable the jit 555AC_ARG_ENABLE(jit, 556 AS_HELP_STRING(--enable-jit, 557 [Enable Just In Time Compiling (default is YES)]),, 558 enableval=default) 559if test ${enableval} = "no" 560then 561 AC_SUBST(JIT,[[]]) 562else 563 case "$llvm_cv_target_arch" in 564 x86) AC_SUBST(TARGET_HAS_JIT,1) ;; 565 Sparc) AC_SUBST(TARGET_HAS_JIT,0) ;; 566 PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;; 567 x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;; 568 ARM) AC_SUBST(TARGET_HAS_JIT,1) ;; 569 Mips) AC_SUBST(TARGET_HAS_JIT,1) ;; 570 XCore) AC_SUBST(TARGET_HAS_JIT,0) ;; 571 MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;; 572 Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;; 573 MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;; 574 NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;; 575 *) AC_SUBST(TARGET_HAS_JIT,0) ;; 576 esac 577fi 578 579dnl Allow enablement of building and installing docs 580AC_ARG_ENABLE(docs, 581 AS_HELP_STRING([--enable-docs], 582 [Build documents (default is YES)]),, 583 enableval=default) 584case "$enableval" in 585 yes) AC_SUBST(ENABLE_DOCS,[1]) ;; 586 no) AC_SUBST(ENABLE_DOCS,[0]) ;; 587 default) AC_SUBST(ENABLE_DOCS,[1]) ;; 588 *) AC_MSG_ERROR([Invalid setting for --enable-docs. Use "yes" or "no"]) ;; 589esac 590 591dnl Allow enablement of doxygen generated documentation 592AC_ARG_ENABLE(doxygen, 593 AS_HELP_STRING([--enable-doxygen], 594 [Build doxygen documentation (default is NO)]),, 595 enableval=default) 596case "$enableval" in 597 yes) AC_SUBST(ENABLE_DOXYGEN,[1]) ;; 598 no) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 599 default) AC_SUBST(ENABLE_DOXYGEN,[0]) ;; 600 *) AC_MSG_ERROR([Invalid setting for --enable-doxygen. Use "yes" or "no"]) ;; 601esac 602 603dnl Allow disablement of threads 604AC_ARG_ENABLE(threads, 605 AS_HELP_STRING([--enable-threads], 606 [Use threads if available (default is YES)]),, 607 enableval=default) 608case "$enableval" in 609 yes) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; 610 no) AC_SUBST(LLVM_ENABLE_THREADS,[0]) ;; 611 default) AC_SUBST(LLVM_ENABLE_THREADS,[1]) ;; 612 *) AC_MSG_ERROR([Invalid setting for --enable-threads. Use "yes" or "no"]) ;; 613esac 614AC_DEFINE_UNQUOTED([LLVM_ENABLE_THREADS],$LLVM_ENABLE_THREADS, 615 [Define if threads enabled]) 616 617dnl Allow disablement of pthread.h 618AC_ARG_ENABLE(pthreads, 619 AS_HELP_STRING([--enable-pthreads], 620 [Use pthreads if available (default is YES)]),, 621 enableval=default) 622case "$enableval" in 623 yes) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 624 no) AC_SUBST(ENABLE_PTHREADS,[0]) ;; 625 default) AC_SUBST(ENABLE_PTHREADS,[1]) ;; 626 *) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;; 627esac 628 629dnl Allow building without position independent code 630AC_ARG_ENABLE(pic, 631 AS_HELP_STRING([--enable-pic], 632 [Build LLVM with Position Independent Code (default is YES)]),, 633 enableval=default) 634case "$enableval" in 635 yes) AC_SUBST(ENABLE_PIC,[1]) ;; 636 no) AC_SUBST(ENABLE_PIC,[0]) ;; 637 default) AC_SUBST(ENABLE_PIC,[1]) ;; 638 *) AC_MSG_ERROR([Invalid setting for --enable-pic. Use "yes" or "no"]) ;; 639esac 640AC_DEFINE_UNQUOTED([ENABLE_PIC],$ENABLE_PIC, 641 [Define if position independent code is enabled]) 642 643dnl Allow building a shared library and linking tools against it. 644AC_ARG_ENABLE(shared, 645 AS_HELP_STRING([--enable-shared], 646 [Build a shared library and link tools against it (default is NO)]),, 647 enableval=default) 648case "$enableval" in 649 yes) AC_SUBST(ENABLE_SHARED,[1]) ;; 650 no) AC_SUBST(ENABLE_SHARED,[0]) ;; 651 default) AC_SUBST(ENABLE_SHARED,[0]) ;; 652 *) AC_MSG_ERROR([Invalid setting for --enable-shared. Use "yes" or "no"]) ;; 653esac 654 655dnl Allow libstdc++ is embedded in LLVM.dll. 656AC_ARG_ENABLE(embed-stdcxx, 657 AS_HELP_STRING([--enable-embed-stdcxx], 658 [Build a shared library with embedded libstdc++ for Win32 DLL (default is NO)]),, 659 enableval=default) 660case "$enableval" in 661 yes) AC_SUBST(ENABLE_EMBED_STDCXX,[1]) ;; 662 no) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 663 default) AC_SUBST(ENABLE_EMBED_STDCXX,[0]) ;; 664 *) AC_MSG_ERROR([Invalid setting for --enable-embed-stdcxx. Use "yes" or "no"]) ;; 665esac 666 667dnl Enable embedding timestamp information into build. 668AC_ARG_ENABLE(timestamps, 669 AS_HELP_STRING([--enable-timestamps], 670 [Enable embedding timestamp information in build (default is YES)]),, 671 enableval=default) 672case "$enableval" in 673 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 674 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;; 675 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 676 *) AC_MSG_ERROR([Invalid setting for --enable-timestamps. Use "yes" or "no"]) ;; 677esac 678AC_DEFINE_UNQUOTED([ENABLE_TIMESTAMPS],$ENABLE_TIMESTAMPS, 679 [Define if timestamp information (e.g., __DATE__) is allowed]) 680 681dnl Enable embedding timestamp information into build. 682 683AC_ARG_ENABLE(backtraces, 684 AS_HELP_STRING([--enable-backtraces], 685 [Enable embedding backtraces on crash (default is YES)]),, 686 enableval=default) 687case "$enableval" in 688 yes) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 689 no) AC_SUBST(ENABLE_TIMESTAMPS,[0]) ;; 690 default) AC_SUBST(ENABLE_TIMESTAMPS,[1]) ;; 691 *) AC_MSG_ERROR([Invalid setting for --enable-backtraces. Use "yes" or "no"]) ;; 692esac 693AC_DEFINE_UNQUOTED([ENABLE_BACKTRACES],$ENABLE_BACKTRACES, 694 [Define if you want backtraces on crash]) 695 696dnl Allow specific targets to be specified for building (or not) 697TARGETS_TO_BUILD="" 698AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets], 699 [Build specific host targets: all or target1,target2,... Valid targets are: 700 host, x86, x86_64, sparc, powerpc, arm, mips, spu, hexagon, 701 xcore, msp430, nvptx, and cpp (default=all)]),, 702 enableval=all) 703if test "$enableval" = host-only ; then 704 enableval=host 705fi 706case "$enableval" in 707 all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips CellSPU XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;; 708 *)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do 709 case "$a_target" in 710 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 711 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 712 sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 713 powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 714 arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 715 mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 716 mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 717 spu) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;; 718 xcore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 719 msp430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 720 cpp) TARGETS_TO_BUILD="CppBackend $TARGETS_TO_BUILD" ;; 721 hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; 722 mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; 723 nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; 724 host) case "$llvm_cv_target_arch" in 725 x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 726 x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;; 727 Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;; 728 PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;; 729 ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;; 730 Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;; 731 MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;; 732 CellSPU|SPU) TARGETS_TO_BUILD="CellSPU $TARGETS_TO_BUILD" ;; 733 XCore) TARGETS_TO_BUILD="XCore $TARGETS_TO_BUILD" ;; 734 MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;; 735 Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;; 736 NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;; 737 *) AC_MSG_ERROR([Can not set target to build]) ;; 738 esac ;; 739 *) AC_MSG_ERROR([Unrecognized target $a_target]) ;; 740 esac 741 done 742 ;; 743esac 744 745AC_ARG_ENABLE([experimental-targets],AS_HELP_STRING([--enable-experimental-targets], 746 [Build experimental host targets: disable or target1,target2,... 747 (default=disable)]),, 748 enableval=disable) 749 750if test ${enableval} != "disable" 751then 752 TARGETS_TO_BUILD="$enableval $TARGETS_TO_BUILD" 753fi 754 755AC_SUBST(TARGETS_TO_BUILD,$TARGETS_TO_BUILD) 756 757dnl Determine whether we are building LLVM support for the native architecture. 758dnl If so, define LLVM_NATIVE_ARCH to that LLVM target. 759for a_target in $TARGETS_TO_BUILD; do 760 if test "$a_target" = "$LLVM_NATIVE_ARCH"; then 761 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ARCH, $LLVM_NATIVE_ARCH, 762 [LLVM architecture name for the native architecture, if available]) 763 LLVM_NATIVE_TARGET="LLVMInitialize${LLVM_NATIVE_ARCH}Target" 764 LLVM_NATIVE_TARGETINFO="LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo" 765 LLVM_NATIVE_TARGETMC="LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC" 766 LLVM_NATIVE_ASMPRINTER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter" 767 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 768 LLVM_NATIVE_ASMPARSER="LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser" 769 fi 770 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then 771 LLVM_NATIVE_DISASSEMBLER="LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler" 772 fi 773 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGET, $LLVM_NATIVE_TARGET, 774 [LLVM name for the native Target init function, if available]) 775 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETINFO, $LLVM_NATIVE_TARGETINFO, 776 [LLVM name for the native TargetInfo init function, if available]) 777 AC_DEFINE_UNQUOTED(LLVM_NATIVE_TARGETMC, $LLVM_NATIVE_TARGETMC, 778 [LLVM name for the native target MC init function, if available]) 779 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPRINTER, $LLVM_NATIVE_ASMPRINTER, 780 [LLVM name for the native AsmPrinter init function, if available]) 781 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/Makefile ; then 782 AC_DEFINE_UNQUOTED(LLVM_NATIVE_ASMPARSER, $LLVM_NATIVE_ASMPARSER, 783 [LLVM name for the native AsmParser init function, if available]) 784 fi 785 if test -f ${srcdir}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/Makefile ; then 786 AC_DEFINE_UNQUOTED(LLVM_NATIVE_DISASSEMBLER, $LLVM_NATIVE_DISASSEMBLER, 787 [LLVM name for the native Disassembler init function, if available]) 788 fi 789 fi 790done 791 792dnl Build the LLVM_TARGET and LLVM_... macros for Targets.def and the individual 793dnl target feature def files. 794LLVM_ENUM_TARGETS="" 795LLVM_ENUM_ASM_PRINTERS="" 796LLVM_ENUM_ASM_PARSERS="" 797LLVM_ENUM_DISASSEMBLERS="" 798for target_to_build in $TARGETS_TO_BUILD; do 799 LLVM_ENUM_TARGETS="LLVM_TARGET($target_to_build) $LLVM_ENUM_TARGETS" 800 if test -f ${srcdir}/lib/Target/${target_to_build}/*AsmPrinter.cpp ; then 801 LLVM_ENUM_ASM_PRINTERS="LLVM_ASM_PRINTER($target_to_build) $LLVM_ENUM_ASM_PRINTERS"; 802 fi 803 if test -f ${srcdir}/lib/Target/${target_to_build}/AsmParser/Makefile ; then 804 LLVM_ENUM_ASM_PARSERS="LLVM_ASM_PARSER($target_to_build) $LLVM_ENUM_ASM_PARSERS"; 805 fi 806 if test -f ${srcdir}/lib/Target/${target_to_build}/Disassembler/Makefile ; then 807 LLVM_ENUM_DISASSEMBLERS="LLVM_DISASSEMBLER($target_to_build) $LLVM_ENUM_DISASSEMBLERS"; 808 fi 809done 810AC_SUBST(LLVM_ENUM_TARGETS) 811AC_SUBST(LLVM_ENUM_ASM_PRINTERS) 812AC_SUBST(LLVM_ENUM_ASM_PARSERS) 813AC_SUBST(LLVM_ENUM_DISASSEMBLERS) 814 815dnl Override the option to use for optimized builds. 816AC_ARG_WITH(optimize-option, 817 AS_HELP_STRING([--with-optimize-option], 818 [Select the compiler options to use for optimized builds]),, 819 withval=default) 820AC_MSG_CHECKING([optimization flags]) 821case "$withval" in 822 default) 823 case "$llvm_cv_os_type" in 824 FreeBSD) optimize_option=-O2 ;; 825 MingW) optimize_option=-O2 ;; 826 *) optimize_option=-O3 ;; 827 esac ;; 828 *) optimize_option="$withval" ;; 829esac 830AC_SUBST(OPTIMIZE_OPTION,$optimize_option) 831AC_MSG_RESULT([$optimize_option]) 832 833dnl Specify extra build options 834AC_ARG_WITH(extra-options, 835 AS_HELP_STRING([--with-extra-options], 836 [Specify additional options to compile LLVM with]),, 837 withval=default) 838case "$withval" in 839 default) EXTRA_OPTIONS= ;; 840 *) EXTRA_OPTIONS=$withval ;; 841esac 842AC_SUBST(EXTRA_OPTIONS,$EXTRA_OPTIONS) 843 844dnl Specify extra linker build options 845AC_ARG_WITH(extra-ld-options, 846 AS_HELP_STRING([--with-extra-ld-options], 847 [Specify additional options to link LLVM with]),, 848 withval=default) 849case "$withval" in 850 default) EXTRA_LD_OPTIONS= ;; 851 *) EXTRA_LD_OPTIONS=$withval ;; 852esac 853AC_SUBST(EXTRA_LD_OPTIONS,$EXTRA_LD_OPTIONS) 854 855dnl Allow specific bindings to be specified for building (or not) 856AC_ARG_ENABLE([bindings],AS_HELP_STRING([--enable-bindings], 857 [Build specific language bindings: all,auto,none,{binding-name} (default=auto)]),, 858 enableval=default) 859BINDINGS_TO_BUILD="" 860case "$enableval" in 861 yes | default | auto) BINDINGS_TO_BUILD="auto" ;; 862 all ) BINDINGS_TO_BUILD="ocaml" ;; 863 none | no) BINDINGS_TO_BUILD="" ;; 864 *)for a_binding in `echo $enableval|sed -e 's/,/ /g' ` ; do 865 case "$a_binding" in 866 ocaml) BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" ;; 867 *) AC_MSG_ERROR([Unrecognized binding $a_binding]) ;; 868 esac 869 done 870 ;; 871esac 872 873dnl Allow the ocaml libdir to be overridden. This could go in a configure 874dnl script for bindings/ocaml/configure, except that its auto value depends on 875dnl OCAMLC, which is found here to support tests. 876AC_ARG_WITH([ocaml-libdir], 877 [AS_HELP_STRING([--with-ocaml-libdir], 878 [Specify install location for ocaml bindings (default is stdlib)])], 879 [], 880 [withval=auto]) 881case "$withval" in 882 auto) with_ocaml_libdir="$withval" ;; 883 /* | [[A-Za-z]]:[[\\/]]*) with_ocaml_libdir="$withval" ;; 884 *) AC_MSG_ERROR([Invalid path for --with-ocaml-libdir. Provide full path]) ;; 885esac 886 887AC_ARG_WITH(clang-srcdir, 888 AS_HELP_STRING([--with-clang-srcdir], 889 [Directory to the out-of-tree Clang source]),, 890 withval="-") 891case "$withval" in 892 -) clang_src_root="" ;; 893 /* | [[A-Za-z]]:[[\\/]]*) clang_src_root="$withval" ;; 894 *) clang_src_root="$ac_pwd/$withval" ;; 895esac 896AC_SUBST(CLANG_SRC_ROOT,[$clang_src_root]) 897 898AC_ARG_WITH(clang-resource-dir, 899 AS_HELP_STRING([--with-clang-resource-dir], 900 [Relative directory from the Clang binary for resource files]),, 901 withval="") 902AC_DEFINE_UNQUOTED(CLANG_RESOURCE_DIR,"$withval", 903 [Relative directory for resource files]) 904 905AC_ARG_WITH(c-include-dirs, 906 AS_HELP_STRING([--with-c-include-dirs], 907 [Colon separated list of directories clang will search for headers]),, 908 withval="") 909AC_DEFINE_UNQUOTED(C_INCLUDE_DIRS,"$withval", 910 [Directories clang will search for headers]) 911 912# Clang normally uses the system c++ headers and libraries. With this option, 913# clang will use the ones provided by a gcc installation instead. This option should 914# be passed the same value that was used with --prefix when configuring gcc. 915AC_ARG_WITH(gcc-toolchain, 916 AS_HELP_STRING([--with-gcc-toolchain], 917 [Directory where gcc is installed.]),, 918 withval="") 919AC_DEFINE_UNQUOTED(GCC_INSTALL_PREFIX,"$withval", 920 [Directory where gcc is installed.]) 921 922AC_ARG_WITH(default-sysroot, 923 AS_HELP_STRING([--with-default-sysroot], 924 [Add --sysroot=<path> to all compiler invocations.]),, 925 withval="") 926AC_DEFINE_UNQUOTED(DEFAULT_SYSROOT,"$withval", 927 [Default <path> to all compiler invocations for --sysroot=<path>.]) 928 929dnl Allow linking of LLVM with GPLv3 binutils code. 930AC_ARG_WITH(binutils-include, 931 AS_HELP_STRING([--with-binutils-include], 932 [Specify path to binutils/include/ containing plugin-api.h file for gold plugin.]),, 933 withval=default) 934case "$withval" in 935 default) WITH_BINUTILS_INCDIR=default ;; 936 /* | [[A-Za-z]]:[[\\/]]*) WITH_BINUTILS_INCDIR=$withval ;; 937 *) AC_MSG_ERROR([Invalid path for --with-binutils-include. Provide full path]) ;; 938esac 939if test "x$WITH_BINUTILS_INCDIR" != xdefault ; then 940 AC_SUBST(BINUTILS_INCDIR,$WITH_BINUTILS_INCDIR) 941 if test ! -f "$WITH_BINUTILS_INCDIR/plugin-api.h"; then 942 echo "$WITH_BINUTILS_INCDIR/plugin-api.h" 943 AC_MSG_ERROR([Invalid path to directory containing plugin-api.h.]); 944 fi 945fi 946 947dnl Specify the URL where bug reports should be submitted. 948AC_ARG_WITH(bug-report-url, 949 AS_HELP_STRING([--with-bug-report-url], 950 [Specify the URL where bug reports should be submitted (default=http://llvm.org/bugs/)]),, 951 withval="http://llvm.org/bugs/") 952AC_DEFINE_UNQUOTED(BUG_REPORT_URL,"$withval", 953 [Bug report URL.]) 954 955dnl --enable-libffi : check whether the user wants to turn off libffi: 956AC_ARG_ENABLE(libffi,AS_HELP_STRING( 957 --enable-libffi,[Check for the presence of libffi (default is NO)]), 958 [case "$enableval" in 959 yes) llvm_cv_enable_libffi="yes" ;; 960 no) llvm_cv_enable_libffi="no" ;; 961 *) AC_MSG_ERROR([Invalid setting for --enable-libffi. Use "yes" or "no"]) ;; 962 esac], 963 llvm_cv_enable_libffi=no) 964 965AC_ARG_WITH(internal-prefix, 966 AS_HELP_STRING([--with-internal-prefix], 967 [Installation directory for internal files]),, 968 withval="") 969AC_SUBST(INTERNAL_PREFIX,[$withval]) 970 971dnl===-----------------------------------------------------------------------=== 972dnl=== 973dnl=== SECTION 4: Check for programs we need and that they are the right version 974dnl=== 975dnl===-----------------------------------------------------------------------=== 976 977AC_PROG_NM 978AC_SUBST(NM) 979 980dnl Check for the tools that the makefiles require 981AC_CHECK_GNU_MAKE 982AC_PROG_LN_S 983AC_PATH_PROG(CMP, [cmp], [cmp]) 984AC_PATH_PROG(CP, [cp], [cp]) 985AC_PATH_PROG(DATE, [date], [date]) 986AC_PATH_PROG(FIND, [find], [find]) 987AC_PATH_PROG(GREP, [grep], [grep]) 988AC_PATH_PROG(MKDIR,[mkdir],[mkdir]) 989AC_PATH_PROG(MV, [mv], [mv]) 990AC_PROG_RANLIB 991AC_CHECK_TOOL(AR, ar, false) 992AC_PATH_PROG(RM, [rm], [rm]) 993AC_PATH_PROG(SED, [sed], [sed]) 994AC_PATH_PROG(TAR, [tar], [gtar]) 995AC_PATH_PROG(BINPWD,[pwd], [pwd]) 996 997dnl Looking for misc. graph plotting software 998AC_PATH_PROG(GRAPHVIZ, [Graphviz], [echo Graphviz]) 999if test "$GRAPHVIZ" != "echo Graphviz" ; then 1000 AC_DEFINE([HAVE_GRAPHVIZ],[1],[Define if the Graphviz program is available]) 1001 dnl If we're targeting for mingw we should emit windows paths, not msys 1002 if test "$llvm_cv_os_type" = "MingW" ; then 1003 GRAPHVIZ=`echo $GRAPHVIZ | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1004 fi 1005 AC_DEFINE_UNQUOTED([LLVM_PATH_GRAPHVIZ],"$GRAPHVIZ${EXEEXT}", 1006 [Define to path to Graphviz program if found or 'echo Graphviz' otherwise]) 1007fi 1008AC_PATH_PROG(DOT, [dot], [echo dot]) 1009if test "$DOT" != "echo dot" ; then 1010 AC_DEFINE([HAVE_DOT],[1],[Define if the dot program is available]) 1011 dnl If we're targeting for mingw we should emit windows paths, not msys 1012 if test "$llvm_cv_os_type" = "MingW" ; then 1013 DOT=`echo $DOT | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1014 fi 1015 AC_DEFINE_UNQUOTED([LLVM_PATH_DOT],"$DOT${EXEEXT}", 1016 [Define to path to dot program if found or 'echo dot' otherwise]) 1017fi 1018AC_PATH_PROG(FDP, [fdp], [echo fdp]) 1019if test "$FDP" != "echo fdp" ; then 1020 AC_DEFINE([HAVE_FDP],[1],[Define if the neat program is available]) 1021 dnl If we're targeting for mingw we should emit windows paths, not msys 1022 if test "$llvm_cv_os_type" = "MingW" ; then 1023 FDP=`echo $FDP | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1024 fi 1025 AC_DEFINE_UNQUOTED([LLVM_PATH_FDP],"$FDP${EXEEXT}", 1026 [Define to path to fdp program if found or 'echo fdp' otherwise]) 1027fi 1028AC_PATH_PROG(NEATO, [neato], [echo neato]) 1029if test "$NEATO" != "echo neato" ; then 1030 AC_DEFINE([HAVE_NEATO],[1],[Define if the neat program is available]) 1031 dnl If we're targeting for mingw we should emit windows paths, not msys 1032 if test "$llvm_cv_os_type" = "MingW" ; then 1033 NEATO=`echo $NEATO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1034 fi 1035 AC_DEFINE_UNQUOTED([LLVM_PATH_NEATO],"$NEATO${EXEEXT}", 1036 [Define to path to neato program if found or 'echo neato' otherwise]) 1037fi 1038AC_PATH_PROG(TWOPI, [twopi], [echo twopi]) 1039if test "$TWOPI" != "echo twopi" ; then 1040 AC_DEFINE([HAVE_TWOPI],[1],[Define if the neat program is available]) 1041 dnl If we're targeting for mingw we should emit windows paths, not msys 1042 if test "$llvm_cv_os_type" = "MingW" ; then 1043 TWOPI=`echo $TWOPI | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1044 fi 1045 AC_DEFINE_UNQUOTED([LLVM_PATH_TWOPI],"$TWOPI${EXEEXT}", 1046 [Define to path to twopi program if found or 'echo twopi' otherwise]) 1047fi 1048AC_PATH_PROG(CIRCO, [circo], [echo circo]) 1049if test "$CIRCO" != "echo circo" ; then 1050 AC_DEFINE([HAVE_CIRCO],[1],[Define if the neat program is available]) 1051 dnl If we're targeting for mingw we should emit windows paths, not msys 1052 if test "$llvm_cv_os_type" = "MingW" ; then 1053 CIRCO=`echo $CIRCO | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1054 fi 1055 AC_DEFINE_UNQUOTED([LLVM_PATH_CIRCO],"$CIRCO${EXEEXT}", 1056 [Define to path to circo program if found or 'echo circo' otherwise]) 1057fi 1058AC_PATH_PROGS(GV, [gv gsview32], [echo gv]) 1059if test "$GV" != "echo gv" ; then 1060 AC_DEFINE([HAVE_GV],[1],[Define if the gv program is available]) 1061 dnl If we're targeting for mingw we should emit windows paths, not msys 1062 if test "$llvm_cv_os_type" = "MingW" ; then 1063 GV=`echo $GV | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1064 fi 1065 AC_DEFINE_UNQUOTED([LLVM_PATH_GV],"$GV${EXEEXT}", 1066 [Define to path to gv program if found or 'echo gv' otherwise]) 1067fi 1068AC_PATH_PROG(DOTTY, [dotty], [echo dotty]) 1069if test "$DOTTY" != "echo dotty" ; then 1070 AC_DEFINE([HAVE_DOTTY],[1],[Define if the dotty program is available]) 1071 dnl If we're targeting for mingw we should emit windows paths, not msys 1072 if test "$llvm_cv_os_type" = "MingW" ; then 1073 DOTTY=`echo $DOTTY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1074 fi 1075 AC_DEFINE_UNQUOTED([LLVM_PATH_DOTTY],"$DOTTY${EXEEXT}", 1076 [Define to path to dotty program if found or 'echo dotty' otherwise]) 1077fi 1078AC_PATH_PROG(XDOT_PY, [xdot.py], [echo xdot.py]) 1079if test "$XDOT_PY" != "echo xdot.py" ; then 1080 AC_DEFINE([HAVE_XDOT_PY],[1],[Define if the xdot.py program is available]) 1081 dnl If we're targeting for mingw we should emit windows paths, not msys 1082 if test "$llvm_cv_os_type" = "MingW" ; then 1083 XDOT_PY=`echo $XDOT_PY | sed 's/^\/\([[A-Za-z]]\)\//\1:\//' ` 1084 fi 1085 AC_DEFINE_UNQUOTED([LLVM_PATH_XDOT_PY],"$XDOT_PY${EXEEXT}", 1086 [Define to path to xdot.py program if found or 'echo xdot.py' otherwise]) 1087fi 1088 1089dnl Find the install program 1090AC_PROG_INSTALL 1091dnl Prepend src dir to install path dir if it's a relative path 1092dnl This is a hack for installs that take place in something other 1093dnl than the top level. 1094case "$INSTALL" in 1095 [[\\/$]]* | ?:[[\\/]]* ) ;; 1096 *) INSTALL="\\\$(TOPSRCDIR)/$INSTALL" ;; 1097esac 1098 1099dnl Checks for documentation and testing tools that we can do without. If these 1100dnl are not found then they are set to "true" which always succeeds but does 1101dnl nothing. This just lets the build output show that we could have done 1102dnl something if the tool was available. 1103AC_PATH_PROG(BZIP2, [bzip2]) 1104AC_PATH_PROG(CAT, [cat]) 1105AC_PATH_PROG(DOXYGEN, [doxygen]) 1106AC_PATH_PROG(GROFF, [groff]) 1107AC_PATH_PROG(GZIPBIN, [gzip]) 1108AC_PATH_PROG(PDFROFF, [pdfroff]) 1109AC_PATH_PROG(ZIP, [zip]) 1110AC_PATH_PROGS(OCAMLC, [ocamlc]) 1111AC_PATH_PROGS(OCAMLOPT, [ocamlopt]) 1112AC_PATH_PROGS(OCAMLDEP, [ocamldep]) 1113AC_PATH_PROGS(OCAMLDOC, [ocamldoc]) 1114AC_PATH_PROGS(GAS, [gas as]) 1115 1116dnl Get the version of the linker in use. 1117AC_LINK_GET_VERSION 1118 1119dnl Determine whether the linker supports the -R option. 1120AC_LINK_USE_R 1121 1122dnl Determine whether the linker supports the -export-dynamic option. 1123AC_LINK_EXPORT_DYNAMIC 1124 1125dnl Determine whether the linker supports the --version-script option. 1126AC_LINK_VERSION_SCRIPT 1127 1128dnl Check for libtool and the library that has dlopen function (which must come 1129dnl before the AC_PROG_LIBTOOL check in order to enable dlopening libraries with 1130dnl libtool). 1131AC_LIBTOOL_DLOPEN 1132AC_LIB_LTDL 1133 1134AC_MSG_CHECKING([tool compatibility]) 1135 1136dnl Ensure that compilation tools are GCC or a GNU compatible compiler such as 1137dnl ICC; we use GCC specific options in the makefiles so the compiler needs 1138dnl to support those options. 1139dnl "icc" emits gcc signatures 1140dnl "icc -no-gcc" emits no gcc signature BUT is still compatible 1141ICC=no 1142IXX=no 1143case $CC in 1144 icc*|icpc*) 1145 ICC=yes 1146 IXX=yes 1147 ;; 1148 *) 1149 ;; 1150esac 1151 1152if test "$GCC" != "yes" && test "$ICC" != "yes" 1153then 1154 AC_MSG_ERROR([gcc|icc required but not found]) 1155fi 1156 1157dnl Ensure that compilation tools are compatible with GCC extensions 1158if test "$GXX" != "yes" && test "$IXX" != "yes" 1159then 1160 AC_MSG_ERROR([g++|clang++|icc required but not found]) 1161fi 1162 1163dnl Verify that GCC is version 3.0 or higher 1164if test "$GCC" = "yes" 1165then 1166 AC_COMPILE_IFELSE([[#if !defined(__GNUC__) || __GNUC__ < 3 1167#error Unsupported GCC version 1168#endif 1169]], [], [AC_MSG_ERROR([gcc 3.x required, but you have a lower version])]) 1170fi 1171 1172dnl Check for GNU Make. We use its extensions, so don't build without it 1173if test -z "$llvm_cv_gnu_make_command" 1174then 1175 AC_MSG_ERROR([GNU Make required but not found]) 1176fi 1177 1178dnl Tool compatibility is okay if we make it here. 1179AC_MSG_RESULT([ok]) 1180 1181dnl Check optional compiler flags. 1182AC_MSG_CHECKING([optional compiler flags]) 1183CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros]) 1184CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers]) 1185CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default]) 1186AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT]) 1187 1188dnl===-----------------------------------------------------------------------=== 1189dnl=== 1190dnl=== SECTION 5: Check for libraries 1191dnl=== 1192dnl===-----------------------------------------------------------------------=== 1193 1194AC_CHECK_LIB(m,sin) 1195if test "$llvm_cv_os_type" = "MingW" ; then 1196 AC_CHECK_LIB(imagehlp, main) 1197 AC_CHECK_LIB(psapi, main) 1198fi 1199 1200dnl dlopen() is required for plugin support. 1201AC_SEARCH_LIBS(dlopen,dl,AC_DEFINE([HAVE_DLOPEN],[1], 1202 [Define if dlopen() is available on this platform.]), 1203 AC_MSG_WARN([dlopen() not found - disabling plugin support])) 1204 1205dnl libffi is optional; used to call external functions from the interpreter 1206if test "$llvm_cv_enable_libffi" = "yes" ; then 1207 AC_SEARCH_LIBS(ffi_call,ffi,AC_DEFINE([HAVE_FFI_CALL],[1], 1208 [Define if libffi is available on this platform.]), 1209 AC_MSG_ERROR([libffi not found - configure without --enable-libffi to compile without it])) 1210fi 1211 1212dnl mallinfo is optional; the code can compile (minus features) without it 1213AC_SEARCH_LIBS(mallinfo,malloc,AC_DEFINE([HAVE_MALLINFO],[1], 1214 [Define if mallinfo() is available on this platform.])) 1215 1216dnl pthread locking functions are optional - but llvm will not be thread-safe 1217dnl without locks. 1218if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1219 AC_CHECK_LIB(pthread, pthread_mutex_init) 1220 AC_SEARCH_LIBS(pthread_mutex_lock,pthread, 1221 AC_DEFINE([HAVE_PTHREAD_MUTEX_LOCK],[1], 1222 [Have pthread_mutex_lock])) 1223 AC_SEARCH_LIBS(pthread_rwlock_init,pthread, 1224 AC_DEFINE([HAVE_PTHREAD_RWLOCK_INIT],[1], 1225 [Have pthread_rwlock_init])) 1226 AC_SEARCH_LIBS(pthread_getspecific,pthread, 1227 AC_DEFINE([HAVE_PTHREAD_GETSPECIFIC],[1], 1228 [Have pthread_getspecific])) 1229fi 1230 1231dnl Allow extra x86-disassembler library 1232AC_ARG_WITH(udis86, 1233 AS_HELP_STRING([--with-udis86=<path>], 1234 [Use udis86 external x86 disassembler library]), 1235 [ 1236 AC_SUBST(USE_UDIS86, [1]) 1237 case "$withval" in 1238 /usr/lib|yes) ;; 1239 *) LDFLAGS="$LDFLAGS -L${withval}" ;; 1240 esac 1241 AC_CHECK_LIB(udis86, ud_init, [], [ 1242 echo "Error! You need to have libudis86 around." 1243 exit -1 1244 ]) 1245 ], 1246 AC_SUBST(USE_UDIS86, [0])) 1247AC_DEFINE_UNQUOTED([USE_UDIS86],$USE_UDIS86, 1248 [Define if use udis86 library]) 1249 1250dnl Allow OProfile support for JIT output. 1251AC_ARG_WITH(oprofile, 1252 AS_HELP_STRING([--with-oprofile=<prefix>], 1253 [Tell OProfile >= 0.9.4 how to symbolize JIT output]), 1254 [ 1255 AC_SUBST(USE_OPROFILE, [1]) 1256 case "$withval" in 1257 /usr|yes) llvm_cv_oppath=/usr/lib/oprofile ;; 1258 no) llvm_cv_oppath= 1259 AC_SUBST(USE_OPROFILE, [0]) ;; 1260 *) llvm_cv_oppath="${withval}/lib/oprofile" 1261 CPPFLAGS="-I${withval}/include";; 1262 esac 1263 case $llvm_cv_os_type in 1264 Linux) 1265 if test -n "$llvm_cv_oppath" ; then 1266 LIBS="$LIBS -lopagent -L${llvm_cv_oppath} -Wl,-rpath,${llvm_cv_oppath}" 1267 dnl Work around http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=537744: 1268 dnl libbfd is not included properly in libopagent in some Debian 1269 dnl versions. If libbfd isn't found at all, we assume opagent works 1270 dnl anyway. 1271 AC_SEARCH_LIBS(bfd_init, bfd, [], []) 1272 AC_SEARCH_LIBS(op_open_agent, opagent, [], [ 1273 echo "Error! You need to have libopagent around." 1274 exit -1 1275 ]) 1276 AC_CHECK_HEADER([opagent.h], [], [ 1277 echo "Error! You need to have opagent.h around." 1278 exit -1 1279 ]) 1280 fi ;; 1281 *) 1282 AC_MSG_ERROR([OProfile support is available on Linux only.]) ;; 1283 esac 1284 ], 1285 [ 1286 AC_SUBST(USE_OPROFILE, [0]) 1287 ]) 1288AC_DEFINE_UNQUOTED([LLVM_USE_OPROFILE],$USE_OPROFILE, 1289 [Define if we have the oprofile JIT-support library]) 1290 1291dnl Enable support for Intel JIT Events API. 1292AC_ARG_WITH(intel-jitevents, 1293 AS_HELP_STRING([--with-intel-jitevents Notify Intel JIT profiling API of generated code]), 1294 [ 1295 case "$withval" in 1296 yes) AC_SUBST(USE_INTEL_JITEVENTS,[1]);; 1297 no) AC_SUBST(USE_INTEL_JITEVENTS,[0]);; 1298 *) AC_MSG_ERROR([Invalid setting for --with-intel-jitevents. Use "yes" or "no"]);; 1299 esac 1300 1301 case $llvm_cv_os_type in 1302 Linux|Win32|Cygwin|MingW) ;; 1303 *) AC_MSG_ERROR([Intel JIT API support is available on Linux and Windows only.]);; 1304 esac 1305 1306 case "$llvm_cv_target_arch" in 1307 x86|x86_64) ;; 1308 *) AC_MSG_ERROR([Target architecture $llvm_cv_target_arch does not support Intel JIT Events API.]);; 1309 esac 1310 ], 1311 [ 1312 AC_SUBST(USE_INTEL_JITEVENTS, [0]) 1313 ]) 1314AC_DEFINE_UNQUOTED([LLVM_USE_INTEL_JITEVENTS],$USE_INTEL_JITEVENTS, 1315 [Define if we have the Intel JIT API runtime support library]) 1316 1317dnl Check for libxml2 1318dnl Right now we're just checking for the existence, we could also check for a 1319dnl particular version via --version on xml2-config 1320AC_CHECK_PROGS(XML2CONFIG, xml2-config) 1321 1322AC_MSG_CHECKING(for libxml2 includes) 1323if test "x$XML2CONFIG" = "x"; then 1324 AC_MSG_RESULT(xml2-config not found) 1325else 1326 LIBXML2_INC=`$XML2CONFIG --cflags` 1327 AC_MSG_RESULT($LIBXML2_INC) 1328 AC_CHECK_LIB(xml2, xmlReadFile,[AC_DEFINE([CLANG_HAVE_LIBXML],1,[Define if we have libxml2]) 1329 LIBXML2_LIBS="-lxml2"]) 1330fi 1331AC_SUBST(LIBXML2_LIBS) 1332AC_SUBST(LIBXML2_INC) 1333 1334dnl===-----------------------------------------------------------------------=== 1335dnl=== 1336dnl=== SECTION 6: Check for header files 1337dnl=== 1338dnl===-----------------------------------------------------------------------=== 1339 1340dnl First, use autoconf provided macros for specific headers that we need 1341dnl We don't check for ancient stuff or things that are guaranteed to be there 1342dnl by the C++ standard. We always use the <cfoo> versions of <foo.h> C headers. 1343dnl Generally we're looking for POSIX headers. 1344AC_HEADER_DIRENT 1345AC_HEADER_MMAP_ANONYMOUS 1346AC_HEADER_STAT 1347AC_HEADER_SYS_WAIT 1348AC_HEADER_TIME 1349 1350AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h]) 1351AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h]) 1352AC_CHECK_HEADERS([utime.h windows.h]) 1353AC_CHECK_HEADERS([sys/mman.h sys/param.h sys/resource.h sys/time.h sys/uio.h]) 1354AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h]) 1355AC_CHECK_HEADERS([valgrind/valgrind.h]) 1356AC_CHECK_HEADERS([fenv.h]) 1357if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then 1358 AC_CHECK_HEADERS(pthread.h, 1359 AC_SUBST(HAVE_PTHREAD, 1), 1360 AC_SUBST(HAVE_PTHREAD, 0)) 1361else 1362 AC_SUBST(HAVE_PTHREAD, 0) 1363fi 1364 1365dnl Try to find ffi.h. 1366if test "$llvm_cv_enable_libffi" = "yes" ; then 1367 AC_CHECK_HEADERS([ffi.h ffi/ffi.h]) 1368fi 1369 1370dnl Try to find Darwin specific crash reporting libraries. 1371AC_CHECK_HEADERS([CrashReporterClient.h]) 1372 1373dnl Try to find Darwin specific crash reporting global. 1374AC_MSG_CHECKING([__crashreporter_info__]) 1375AC_LINK_IFELSE( 1376 AC_LANG_SOURCE( 1377 [[extern const char *__crashreporter_info__; 1378 int main() { 1379 __crashreporter_info__ = "test"; 1380 return 0; 1381 } 1382 ]]), 1383 AC_MSG_RESULT(yes) 1384 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 1, Can use __crashreporter_info__), 1385 AC_MSG_RESULT(no) 1386 AC_DEFINE(HAVE_CRASHREPORTER_INFO, 0, 1387 Define if __crashreporter_info__ exists.)) 1388 1389dnl===-----------------------------------------------------------------------=== 1390dnl=== 1391dnl=== SECTION 7: Check for types and structures 1392dnl=== 1393dnl===-----------------------------------------------------------------------=== 1394 1395AC_HUGE_VAL_CHECK 1396AC_TYPE_PID_T 1397AC_TYPE_SIZE_T 1398AC_DEFINE_UNQUOTED([RETSIGTYPE],[void],[Define as the return type of signal handlers (`int' or `void').]) 1399AC_STRUCT_TM 1400AC_CHECK_TYPES([int64_t],,AC_MSG_ERROR([Type int64_t required but not found])) 1401AC_CHECK_TYPES([uint64_t],, 1402 AC_CHECK_TYPES([u_int64_t],, 1403 AC_MSG_ERROR([Type uint64_t or u_int64_t required but not found]))) 1404 1405dnl===-----------------------------------------------------------------------=== 1406dnl=== 1407dnl=== SECTION 8: Check for specific functions needed 1408dnl=== 1409dnl===-----------------------------------------------------------------------=== 1410 1411AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ]) 1412AC_CHECK_FUNCS([powf fmodf strtof round ]) 1413AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ]) 1414AC_CHECK_FUNCS([isatty mkdtemp mkstemp ]) 1415AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ]) 1416AC_CHECK_FUNCS([strerror strerror_r setenv arc4random ]) 1417AC_CHECK_FUNCS([strtoll strtoq sysconf malloc_zone_statistics ]) 1418AC_CHECK_FUNCS([setjmp longjmp sigsetjmp siglongjmp writev]) 1419AC_C_PRINTF_A 1420AC_FUNC_RAND48 1421 1422dnl Check the declaration "Secure API" on Windows environments. 1423AC_CHECK_DECLS([strerror_s]) 1424 1425dnl Check symbols in libgcc.a for JIT on Mingw. 1426if test "$llvm_cv_os_type" = "MingW" ; then 1427 AC_CHECK_LIB(gcc,_alloca,AC_DEFINE([HAVE__ALLOCA],[1],[Have host's _alloca])) 1428 AC_CHECK_LIB(gcc,__alloca,AC_DEFINE([HAVE___ALLOCA],[1],[Have host's __alloca])) 1429 AC_CHECK_LIB(gcc,__chkstk,AC_DEFINE([HAVE___CHKSTK],[1],[Have host's __chkstk])) 1430 AC_CHECK_LIB(gcc,___chkstk,AC_DEFINE([HAVE____CHKSTK],[1],[Have host's ___chkstk])) 1431 1432 AC_CHECK_LIB(gcc,__ashldi3,AC_DEFINE([HAVE___ASHLDI3],[1],[Have host's __ashldi3])) 1433 AC_CHECK_LIB(gcc,__ashrdi3,AC_DEFINE([HAVE___ASHRDI3],[1],[Have host's __ashrdi3])) 1434 AC_CHECK_LIB(gcc,__divdi3,AC_DEFINE([HAVE___DIVDI3],[1],[Have host's __divdi3])) 1435 AC_CHECK_LIB(gcc,__fixdfdi,AC_DEFINE([HAVE___FIXDFDI],[1],[Have host's __fixdfdi])) 1436 AC_CHECK_LIB(gcc,__fixsfdi,AC_DEFINE([HAVE___FIXSFDI],[1],[Have host's __fixsfdi])) 1437 AC_CHECK_LIB(gcc,__floatdidf,AC_DEFINE([HAVE___FLOATDIDF],[1],[Have host's __floatdidf])) 1438 AC_CHECK_LIB(gcc,__lshrdi3,AC_DEFINE([HAVE___LSHRDI3],[1],[Have host's __lshrdi3])) 1439 AC_CHECK_LIB(gcc,__moddi3,AC_DEFINE([HAVE___MODDI3],[1],[Have host's __moddi3])) 1440 AC_CHECK_LIB(gcc,__udivdi3,AC_DEFINE([HAVE___UDIVDI3],[1],[Have host's __udivdi3])) 1441 AC_CHECK_LIB(gcc,__umoddi3,AC_DEFINE([HAVE___UMODDI3],[1],[Have host's __umoddi3])) 1442 1443 AC_CHECK_LIB(gcc,__main,AC_DEFINE([HAVE___MAIN],[1],[Have host's __main])) 1444 AC_CHECK_LIB(gcc,__cmpdi2,AC_DEFINE([HAVE___CMPDI2],[1],[Have host's __cmpdi2])) 1445fi 1446 1447dnl Check Win32 API EnumerateLoadedModules. 1448if test "$llvm_cv_os_type" = "MingW" ; then 1449 AC_MSG_CHECKING([whether EnumerateLoadedModules() accepts new decl]) 1450 AC_COMPILE_IFELSE([[#include <windows.h> 1451#include <imagehlp.h> 1452extern void foo(PENUMLOADED_MODULES_CALLBACK); 1453extern void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));]], 1454[ 1455 AC_MSG_RESULT([yes]) 1456 llvm_cv_win32_elmcb_pcstr="PCSTR" 1457], 1458[ 1459 AC_MSG_RESULT([no]) 1460 llvm_cv_win32_elmcb_pcstr="PSTR" 1461]) 1462 AC_DEFINE_UNQUOTED([WIN32_ELMCB_PCSTR],$llvm_cv_win32_elmcb_pcstr,[Type of 1st arg on ELM Callback]) 1463fi 1464 1465dnl Check for variations in the Standard C++ library and STL. These macros are 1466dnl provided by LLVM in the autoconf/m4 directory. 1467AC_FUNC_ISNAN 1468AC_FUNC_ISINF 1469 1470dnl Check for mmap support.We also need to know if /dev/zero is required to 1471dnl be opened for allocating RWX memory. 1472dnl Make sure we aren't attempting to configure for an unknown system 1473if test "$llvm_cv_platform_type" = "Unix" ; then 1474 AC_FUNC_MMAP 1475 AC_FUNC_MMAP_FILE 1476 AC_NEED_DEV_ZERO_FOR_MMAP 1477 1478 if test "$ac_cv_func_mmap_fixed_mapped" = "no" 1479 then 1480 AC_MSG_WARN([mmap() of a fixed address required but not supported]) 1481 fi 1482 if test "$ac_cv_func_mmap_file" = "no" 1483 then 1484 AC_MSG_WARN([mmap() of files required but not found]) 1485 fi 1486fi 1487 1488dnl atomic builtins are required for threading support. 1489AC_MSG_CHECKING(for GCC atomic builtins) 1490dnl Since we'll be using these atomic builtins in C++ files we should test 1491dnl the C++ compiler. 1492AC_LANG_PUSH([C++]) 1493AC_LINK_IFELSE( 1494 AC_LANG_SOURCE( 1495 [[int main() { 1496 volatile unsigned long val = 1; 1497 __sync_synchronize(); 1498 __sync_val_compare_and_swap(&val, 1, 0); 1499 __sync_add_and_fetch(&val, 1); 1500 __sync_sub_and_fetch(&val, 1); 1501 return 0; 1502 } 1503 ]]), 1504 AC_LANG_POP([C++]) 1505 AC_MSG_RESULT(yes) 1506 AC_DEFINE(LLVM_HAS_ATOMICS, 1, Has gcc/MSVC atomic intrinsics), 1507 AC_MSG_RESULT(no) 1508 AC_DEFINE(LLVM_HAS_ATOMICS, 0, Has gcc/MSVC atomic intrinsics) 1509 AC_MSG_WARN([LLVM will be built thread-unsafe because atomic builtins are missing])) 1510 1511dnl===-----------------------------------------------------------------------=== 1512dnl=== 1513dnl=== SECTION 9: Additional checks, variables, etc. 1514dnl=== 1515dnl===-----------------------------------------------------------------------=== 1516 1517dnl Handle 32-bit linux systems running a 64-bit kernel. 1518dnl This has to come after section 4 because it invokes the compiler. 1519if test "$llvm_cv_os_type" = "Linux" -a "$llvm_cv_target_arch" = "x86_64" ; then 1520 AC_IS_LINUX_MIXED 1521 if test "$llvm_cv_linux_mixed" = "yes"; then 1522 llvm_cv_target_arch="x86" 1523 ARCH="x86" 1524 fi 1525fi 1526 1527dnl Check whether __dso_handle is present 1528AC_CHECK_FUNCS([__dso_handle]) 1529 1530dnl Propagate the shared library extension that the libltdl checks did to 1531dnl the Makefiles so we can use it there too 1532AC_SUBST(SHLIBEXT,$libltdl_cv_shlibext) 1533 1534dnl Propagate the run-time library path variable that the libltdl 1535dnl checks found to the Makefiles so we can use it there too 1536AC_SUBST(SHLIBPATH_VAR,$libltdl_cv_shlibpath_var) 1537 1538dnl Translate the various configuration directories and other basic 1539dnl information into substitutions that will end up in Makefile.config.in 1540dnl that these configured values can be used by the makefiles 1541if test "${prefix}" = "NONE" ; then 1542 prefix="/usr/local" 1543fi 1544eval LLVM_PREFIX="${prefix}"; 1545eval LLVM_BINDIR="${prefix}/bin"; 1546eval LLVM_LIBDIR="${prefix}/lib"; 1547eval LLVM_DATADIR="${prefix}/share/llvm"; 1548eval LLVM_DOCSDIR="${prefix}/share/doc/llvm"; 1549eval LLVM_ETCDIR="${prefix}/etc/llvm"; 1550eval LLVM_INCLUDEDIR="${prefix}/include"; 1551eval LLVM_INFODIR="${prefix}/info"; 1552eval LLVM_MANDIR="${prefix}/man"; 1553LLVM_CONFIGTIME=`date` 1554AC_SUBST(LLVM_PREFIX) 1555AC_SUBST(LLVM_BINDIR) 1556AC_SUBST(LLVM_LIBDIR) 1557AC_SUBST(LLVM_DATADIR) 1558AC_SUBST(LLVM_DOCSDIR) 1559AC_SUBST(LLVM_ETCDIR) 1560AC_SUBST(LLVM_INCLUDEDIR) 1561AC_SUBST(LLVM_INFODIR) 1562AC_SUBST(LLVM_MANDIR) 1563AC_SUBST(LLVM_CONFIGTIME) 1564 1565dnl Disable embedding timestamps in the build directory, with ENABLE_TIMESTAMPS. 1566if test "${ENABLE_TIMESTAMPS}" = "0"; then 1567 LLVM_CONFIGTIME="(timestamp not enabled)" 1568fi 1569 1570dnl Place the various directories into the config.h file as #defines so that we 1571dnl can know about the installation paths within LLVM. 1572AC_DEFINE_UNQUOTED(LLVM_PREFIX,"$LLVM_PREFIX", 1573 [Installation prefix directory]) 1574AC_DEFINE_UNQUOTED(LLVM_BINDIR, "$LLVM_BINDIR", 1575 [Installation directory for binary executables]) 1576AC_DEFINE_UNQUOTED(LLVM_LIBDIR, "$LLVM_LIBDIR", 1577 [Installation directory for libraries]) 1578AC_DEFINE_UNQUOTED(LLVM_DATADIR, "$LLVM_DATADIR", 1579 [Installation directory for data files]) 1580AC_DEFINE_UNQUOTED(LLVM_DOCSDIR, "$LLVM_DOCSDIR", 1581 [Installation directory for documentation]) 1582AC_DEFINE_UNQUOTED(LLVM_ETCDIR, "$LLVM_ETCDIR", 1583 [Installation directory for config files]) 1584AC_DEFINE_UNQUOTED(LLVM_INCLUDEDIR, "$LLVM_INCLUDEDIR", 1585 [Installation directory for include files]) 1586AC_DEFINE_UNQUOTED(LLVM_INFODIR, "$LLVM_INFODIR", 1587 [Installation directory for .info files]) 1588AC_DEFINE_UNQUOTED(LLVM_MANDIR, "$LLVM_MANDIR", 1589 [Installation directory for man pages]) 1590AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME", 1591 [Time at which LLVM was configured]) 1592AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host", 1593 [Host triple LLVM will be executed on]) 1594AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target", 1595 [Target triple LLVM will generate code for by default]) 1596 1597dnl Determine which bindings to build. 1598if test "$BINDINGS_TO_BUILD" = auto ; then 1599 BINDINGS_TO_BUILD="" 1600 if test "x$OCAMLC" != x -a "x$OCAMLDEP" != x ; then 1601 BINDINGS_TO_BUILD="ocaml $BINDINGS_TO_BUILD" 1602 fi 1603fi 1604AC_SUBST(BINDINGS_TO_BUILD,$BINDINGS_TO_BUILD) 1605 1606dnl This isn't really configurey, but it avoids having to repeat the list in 1607dnl other files. 1608AC_SUBST(ALL_BINDINGS,ocaml) 1609 1610dnl Do any work necessary to ensure that bindings have what they need. 1611binding_prereqs_failed=0 1612for a_binding in $BINDINGS_TO_BUILD ; do 1613 case "$a_binding" in 1614 ocaml) 1615 if test "x$OCAMLC" = x ; then 1616 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlc not found. Try configure OCAMLC=/path/to/ocamlc]) 1617 binding_prereqs_failed=1 1618 fi 1619 if test "x$OCAMLDEP" = x ; then 1620 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamldep not found. Try configure OCAMLDEP=/path/to/ocamldep]) 1621 binding_prereqs_failed=1 1622 fi 1623 if test "x$OCAMLOPT" = x ; then 1624 AC_MSG_WARN([--enable-bindings=ocaml specified, but ocamlopt not found. Try configure OCAMLOPT=/path/to/ocamlopt]) 1625 dnl ocamlopt is optional! 1626 fi 1627 if test "x$with_ocaml_libdir" != xauto ; then 1628 AC_SUBST(OCAML_LIBDIR,$with_ocaml_libdir) 1629 else 1630 ocaml_stdlib="`"$OCAMLC" -where`" 1631 if test "$LLVM_PREFIX" '<' "$ocaml_stdlib" -a "$ocaml_stdlib" '<' "$LLVM_PREFIX~" 1632 then 1633 # ocaml stdlib is beneath our prefix; use stdlib 1634 AC_SUBST(OCAML_LIBDIR,$ocaml_stdlib) 1635 else 1636 # ocaml stdlib is outside our prefix; use libdir/ocaml 1637 AC_SUBST(OCAML_LIBDIR,$LLVM_LIBDIR/ocaml) 1638 fi 1639 fi 1640 ;; 1641 esac 1642done 1643if test "$binding_prereqs_failed" = 1 ; then 1644 AC_MSG_ERROR([Prequisites for bindings not satisfied. Fix them or use configure --disable-bindings.]) 1645fi 1646 1647dnl Determine whether the compiler supports -fvisibility-inlines-hidden. 1648AC_CXX_USE_VISIBILITY_INLINES_HIDDEN 1649 1650dnl Determine linker rpath flag 1651if test "$llvm_cv_link_use_r" = "yes" ; then 1652 RPATH="-Wl,-R" 1653else 1654 RPATH="-Wl,-rpath" 1655fi 1656AC_SUBST(RPATH) 1657 1658dnl Determine linker rdynamic flag 1659if test "$llvm_cv_link_use_export_dynamic" = "yes" ; then 1660 RDYNAMIC="-Wl,-export-dynamic" 1661else 1662 RDYNAMIC="" 1663fi 1664AC_SUBST(RDYNAMIC) 1665 1666dnl===-----------------------------------------------------------------------=== 1667dnl=== 1668dnl=== SECTION 10: Specify the output files and generate it 1669dnl=== 1670dnl===-----------------------------------------------------------------------=== 1671 1672dnl Configure header files 1673dnl WARNING: dnl If you add or remove any of the following config headers, then 1674dnl you MUST also update Makefile so that the variable FilesToConfig 1675dnl contains the same list of files as AC_CONFIG_HEADERS below. This ensures the 1676dnl files can be updated automatically when their *.in sources change. 1677AC_CONFIG_HEADERS([include/llvm/Config/config.h include/llvm/Config/llvm-config.h]) 1678AH_TOP([#ifndef CONFIG_H 1679#define CONFIG_H]) 1680AH_BOTTOM([#endif]) 1681 1682AC_CONFIG_FILES([include/llvm/Config/Targets.def]) 1683AC_CONFIG_FILES([include/llvm/Config/AsmPrinters.def]) 1684AC_CONFIG_FILES([include/llvm/Config/AsmParsers.def]) 1685AC_CONFIG_FILES([include/llvm/Config/Disassemblers.def]) 1686AC_CONFIG_HEADERS([include/llvm/Support/DataTypes.h]) 1687 1688dnl Configure the makefile's configuration data 1689AC_CONFIG_FILES([Makefile.config]) 1690 1691dnl Configure the RPM spec file for LLVM 1692AC_CONFIG_FILES([llvm.spec]) 1693 1694dnl Configure doxygen's configuration file 1695AC_CONFIG_FILES([docs/doxygen.cfg]) 1696 1697dnl Configure clang, if present 1698if test "${clang_src_root}" = ""; then 1699 clang_src_root="$srcdir/tools/clang" 1700fi 1701if test -f ${clang_src_root}/README.txt; then 1702 dnl Use variables to stay under 80 columns. 1703 configh="include/clang/Config/config.h" 1704 doxy="docs/doxygen.cfg" 1705 AC_CONFIG_HEADERS([tools/clang/${configh}:${clang_src_root}/${configh}.in]) 1706 AC_CONFIG_FILES([tools/clang/${doxy}:${clang_src_root}/${doxy}.in]) 1707fi 1708 1709dnl OCaml findlib META file 1710AC_CONFIG_FILES([bindings/ocaml/llvm/META.llvm]) 1711 1712dnl Add --program-prefix value to Makefile.rules. Already an ARG variable. 1713test "x$program_prefix" = "xNONE" && program_prefix="" 1714AC_SUBST([program_prefix]) 1715 1716 1717dnl Do special configuration of Makefiles 1718AC_CONFIG_COMMANDS([setup],,[llvm_src="${srcdir}"]) 1719AC_CONFIG_MAKEFILE(Makefile) 1720AC_CONFIG_MAKEFILE(Makefile.common) 1721AC_CONFIG_MAKEFILE(examples/Makefile) 1722AC_CONFIG_MAKEFILE(lib/Makefile) 1723AC_CONFIG_MAKEFILE(runtime/Makefile) 1724AC_CONFIG_MAKEFILE(test/Makefile) 1725AC_CONFIG_MAKEFILE(test/Makefile.tests) 1726AC_CONFIG_MAKEFILE(unittests/Makefile) 1727AC_CONFIG_MAKEFILE(tools/Makefile) 1728AC_CONFIG_MAKEFILE(utils/Makefile) 1729AC_CONFIG_MAKEFILE(projects/Makefile) 1730AC_CONFIG_MAKEFILE(bindings/Makefile) 1731AC_CONFIG_MAKEFILE(bindings/ocaml/Makefile.ocaml) 1732 1733dnl Finally, crank out the output 1734AC_OUTPUT 1735