basics.m4 revision 476:2ba6f4da4bf3
1# 2# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved. 3# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4# 5# This code is free software; you can redistribute it and/or modify it 6# under the terms of the GNU General Public License version 2 only, as 7# published by the Free Software Foundation. Oracle designates this 8# particular file as subject to the "Classpath" exception as provided 9# by Oracle in the LICENSE file that accompanied this code. 10# 11# This code is distributed in the hope that it will be useful, but WITHOUT 12# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14# version 2 for more details (a copy is included in the LICENSE file that 15# accompanied this code). 16# 17# You should have received a copy of the GNU General Public License version 18# 2 along with this work; if not, write to the Free Software Foundation, 19# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20# 21# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22# or visit www.oracle.com if you need additional information or have any 23# questions. 24# 25 26AC_DEFUN([ADD_JVM_ARG_IF_OK], 27[ 28 # Test if $1 is a valid argument to $3 (often is $JAVA passed as $3) 29 # If so, then append $1 to $2 30 FOUND_WARN=`$3 $1 -version 2>&1 | grep -i warn` 31 FOUND_VERSION=`$3 $1 -version 2>&1 | grep " version \""` 32 if test "x$FOUND_VERSION" != x && test "x$FOUND_WARN" = x; then 33 $2="[$]$2 $1" 34 fi 35]) 36 37AC_DEFUN([SET_FULL_PATH], 38[ 39 # Translate "gcc -E" into "`which gcc` -E" ie 40 # extract the full path to the binary and at the 41 # same time maintain any arguments passed to it. 42 # The command MUST exist in the path, or else! 43 tmp="[$]$1" 44 car="${tmp%% *}" 45 tmp="[$]$1 EOL" 46 cdr="${tmp#* }" 47 # On windows we want paths without spaces. 48 if test "x$OPENJDK_BUILD_OS" = "xwindows"; then 49 SET_FULL_PATH_SPACESAFE(car) 50 else 51 # "which" is not portable, but is used here 52 # because we know that the command exists! 53 car=`which $car` 54 fi 55 if test "x$cdr" != xEOL; then 56 $1="$car ${cdr% *}" 57 else 58 $1="$car" 59 fi 60]) 61 62AC_DEFUN([SPACESAFE], 63[ 64 # Fail with message $2 if var $1 contains a path with no spaces in it. 65 # Unless on Windows, where we can rewrite the path. 66 HAS_SPACE=`echo "[$]$1" | grep " "` 67 if test "x$HAS_SPACE" != x; then 68 if test "x$OPENJDK_BUILD_OS" = "xwindows"; then 69 # First convert it to DOS-style, short mode (no spaces) 70 $1=`$CYGPATH -s -m -a "[$]$1"` 71 # Now it's case insensitive; let's make it lowercase to improve readability 72 $1=`$ECHO "[$]$1" | $TR 'ABCDEFGHIJKLMNOPQRSTUVWXYZ' 'abcdefghijklmnopqrstuvqxyz'` 73 # Now convert it back to Unix-stile (cygpath) 74 $1=`$CYGPATH -u "[$]$1"` 75 else 76 AC_MSG_ERROR([You cannot have spaces in $2! "[$]$1"]) 77 fi 78 fi 79]) 80 81AC_DEFUN([SET_FULL_PATH_SPACESAFE], 82[ 83 # Translate long cygdrive or C:\sdfsf path 84 # into a short mixed mode path that has no 85 # spaces in it. 86 tmp="[$]$1" 87 88 if test "x$OPENJDK_BUILD_OS" = "xwindows"; then 89 tmp=`$CYGPATH -u "[$]$1"` 90 tmp=`which "$tmp"` 91 # If file exists with .exe appended, that's the real filename 92 # and cygpath needs that to convert to short style path. 93 if test -f "${tmp}.exe"; then 94 tmp="${tmp}.exe" 95 elif test -f "${tmp}.cmd"; then 96 tmp="${tmp}.cmd" 97 fi 98 # Convert to C:/ mixed style path without spaces. 99 tmp=`$CYGPATH -s -m "$tmp"` 100 fi 101 $1="$tmp" 102]) 103 104AC_DEFUN([REMOVE_SYMBOLIC_LINKS], 105[ 106 if test "x$OPENJDK_BUILD_OS" != xwindows; then 107 # Follow a chain of symbolic links. Use readlink 108 # where it exists, else fall back to horribly 109 # complicated shell code. 110 AC_PATH_PROG(READLINK, readlink) 111 if test "x$READLINK_TESTED" != yes; then 112 # On MacOSX there is a readlink tool with a different 113 # purpose than the GNU readlink tool. Check the found readlink. 114 ISGNU=`$READLINK --help 2>&1 | grep GNU` 115 if test "x$ISGNU" = x; then 116 # A readlink that we do not know how to use. 117 # Are there other non-GNU readlinks out there? 118 READLINK_TESTED=yes 119 READLINK= 120 fi 121 fi 122 123 if test "x$READLINK" != x; then 124 $1=`$READLINK -f [$]$1` 125 else 126 STARTDIR=$PWD 127 COUNTER=0 128 DIR=`dirname [$]$1` 129 FIL=`basename [$]$1` 130 while test $COUNTER -lt 20; do 131 ISLINK=`ls -l $DIR/$FIL | grep '\->' | sed -e 's/.*-> \(.*\)/\1/'` 132 if test "x$ISLINK" == x; then 133 # This is not a symbolic link! We are done! 134 break 135 fi 136 # The link might be relative! We have to use cd to travel safely. 137 cd $DIR 138 cd `dirname $ISLINK` 139 DIR=`pwd` 140 FIL=`basename $ISLINK` 141 let COUNTER=COUNTER+1 142 done 143 cd $STARTDIR 144 $1=$DIR/$FIL 145 fi 146 fi 147]) 148 149AC_DEFUN_ONCE([BASIC_INIT], 150[ 151# Save the original command line. This is passed to us by the wrapper configure script. 152AC_SUBST(CONFIGURE_COMMAND_LINE) 153DATE_WHEN_CONFIGURED=`LANG=C date` 154AC_SUBST(DATE_WHEN_CONFIGURED) 155]) 156 157# Setup basic configuration paths, and platform-specific stuff related to PATHs. 158AC_DEFUN_ONCE([BASIC_SETUP_PATHS], 159[ 160# Locate the directory of this script. 161SCRIPT="[$]0" 162REMOVE_SYMBOLIC_LINKS(SCRIPT) 163AUTOCONF_DIR=`dirname [$]0` 164 165# Where is the source? It is located two levels above the configure script. 166CURDIR="$PWD" 167cd "$AUTOCONF_DIR/../.." 168SRC_ROOT="`pwd`" 169if test "x$OPENJDK_BUILD_OS" = "xwindows"; then 170 SRC_ROOT_LENGTH=`pwd|wc -m` 171 if test $SRC_ROOT_LENGTH -gt 100; then 172 AC_MSG_ERROR([Your base path is too long. It is $SRC_ROOT_LENGTH characters long, but only 100 is supported]) 173 fi 174fi 175AC_SUBST(SRC_ROOT) 176cd "$CURDIR" 177 178SPACESAFE(SRC_ROOT,[the path to the source root]) 179SPACESAFE(CURDIR,[the path to the current directory]) 180 181if test "x$OPENJDK_BUILD_OS" = "xsolaris"; then 182 # Add extra search paths on solaris for utilities like ar and as etc... 183 PATH="$PATH:/usr/ccs/bin:/usr/sfw/bin:/opt/csw/bin" 184fi 185 186# For cygwin we need cygpath first, since it is used everywhere. 187AC_PATH_PROG(CYGPATH, cygpath) 188PATH_SEP=":" 189if test "x$OPENJDK_BUILD_OS" = "xwindows"; then 190 if test "x$CYGPATH" = x; then 191 AC_MSG_ERROR([Something is wrong with your cygwin installation since I cannot find cygpath.exe in your path]) 192 fi 193 PATH_SEP=";" 194fi 195AC_SUBST(PATH_SEP) 196 197# You can force the sys-root if the sys-root encoded into the cross compiler tools 198# is not correct. 199AC_ARG_WITH(sys-root, [AS_HELP_STRING([--with-sys-root], 200 [pass this sys-root to the compilers and linker (useful if the sys-root encoded in 201 the cross compiler tools is incorrect)])]) 202 203if test "x$with_sys_root" != x; then 204 SYS_ROOT=$with_sys_root 205else 206 SYS_ROOT=/ 207fi 208AC_SUBST(SYS_ROOT) 209 210AC_ARG_WITH([tools-dir], [AS_HELP_STRING([--with-tools-dir], 211 [search this directory for (cross-compiling) compilers and tools])], [TOOLS_DIR=$with_tools_dir]) 212 213AC_ARG_WITH([devkit], [AS_HELP_STRING([--with-devkit], 214 [use this directory as base for tools-dir and sys-root (for cross-compiling)])], 215 [ 216 if test "x$with_sys_root" != x; then 217 AC_MSG_ERROR([Cannot specify both --with-devkit and --with-sys-root at the same time]) 218 fi 219 if test "x$with_tools_dir" != x; then 220 AC_MSG_ERROR([Cannot specify both --with-devkit and --with-tools-dir at the same time]) 221 fi 222 TOOLS_DIR=$with_devkit/bin 223 SYS_ROOT=$with_devkit/$host_alias/libc 224 ]) 225 226]) 227 228AC_DEFUN_ONCE([BASIC_SETUP_OUTPUT_DIR], 229[ 230 231AC_ARG_WITH(conf-name, [AS_HELP_STRING([--with-conf-name], 232 [use this as the name of the configuration, overriding the generated default])], 233 [ CONF_NAME=${with_conf_name} ]) 234 235# Test from where we are running configure, in or outside of src root. 236if test "x$CURDIR" = "x$SRC_ROOT" || test "x$CURDIR" = "x$SRC_ROOT/common" || test "x$CURDIR" = "x$SRC_ROOT/common/autoconf" || test "x$CURDIR" = "x$SRC_ROOT/common/makefiles" ; then 237 # We are running configure from the src root. 238 # Create a default ./build/target-variant-debuglevel output root. 239 if test "x${CONF_NAME}" = x; then 240 CONF_NAME="${OPENJDK_TARGET_OS}-${OPENJDK_TARGET_CPU}-${JDK_VARIANT}-${ANDED_JVM_VARIANTS}-${DEBUG_LEVEL}" 241 fi 242 OUTPUT_ROOT="$SRC_ROOT/build/${CONF_NAME}" 243 mkdir -p "$OUTPUT_ROOT" 244 if test ! -d "$OUTPUT_ROOT"; then 245 AC_MSG_ERROR([Could not create build directory $OUTPUT_ROOT]) 246 fi 247else 248 # We are running configure from outside of the src dir. 249 # Then use the current directory as output dir! 250 # If configuration is situated in normal build directory, just use the build 251 # directory name as configuration name, otherwise use the complete path. 252 if test "x${CONF_NAME}" = x; then 253 CONF_NAME=`$ECHO $CURDIR | $SED -e "s!^${SRC_ROOT}/build/!!"` 254 fi 255 OUTPUT_ROOT="$CURDIR" 256fi 257 258SPACESAFE(OUTPUT_ROOT,[the path to the output root]) 259 260AC_SUBST(SPEC, $OUTPUT_ROOT/spec.gmk) 261AC_SUBST(CONF_NAME, $CONF_NAME) 262AC_SUBST(OUTPUT_ROOT, $OUTPUT_ROOT) 263 264# Most of the probed defines are put into config.h 265AC_CONFIG_HEADERS([$OUTPUT_ROOT/config.h:$AUTOCONF_DIR/config.h.in]) 266# The spec.gmk file contains all variables for the make system. 267AC_CONFIG_FILES([$OUTPUT_ROOT/spec.gmk:$AUTOCONF_DIR/spec.gmk.in]) 268# The hotspot-spec.gmk file contains legacy variables for the hotspot make system. 269AC_CONFIG_FILES([$OUTPUT_ROOT/hotspot-spec.gmk:$AUTOCONF_DIR/hotspot-spec.gmk.in]) 270# The bootcycle-spec.gmk file contains support for boot cycle builds. 271AC_CONFIG_FILES([$OUTPUT_ROOT/bootcycle-spec.gmk:$AUTOCONF_DIR/bootcycle-spec.gmk.in]) 272# The compare.sh is used to compare the build output to other builds. 273AC_CONFIG_FILES([$OUTPUT_ROOT/compare.sh:$AUTOCONF_DIR/compare.sh.in]) 274# Spec.sh is currently used by compare-objects.sh 275AC_CONFIG_FILES([$OUTPUT_ROOT/spec.sh:$AUTOCONF_DIR/spec.sh.in]) 276# The generated Makefile knows where the spec.gmk is and where the source is. 277# You can run make from the OUTPUT_ROOT, or from the top-level Makefile 278# which will look for generated configurations 279AC_CONFIG_FILES([$OUTPUT_ROOT/Makefile:$AUTOCONF_DIR/Makefile.in]) 280 281# Save the arguments given to us 282echo "$CONFIGURE_COMMAND_LINE" > $OUTPUT_ROOT/configure-arguments 283]) 284 285AC_DEFUN_ONCE([BASIC_SETUP_LOGGING], 286[ 287# Setup default logging of stdout and stderr to build.log in the output root. 288BUILD_LOG='$(OUTPUT_ROOT)/build.log' 289BUILD_LOG_PREVIOUS='$(OUTPUT_ROOT)/build.log.old' 290BUILD_LOG_WRAPPER='$(SH) $(SRC_ROOT)/common/bin/logger.sh $(BUILD_LOG)' 291AC_SUBST(BUILD_LOG) 292AC_SUBST(BUILD_LOG_PREVIOUS) 293AC_SUBST(BUILD_LOG_WRAPPER) 294]) 295 296 297#%%% Simple tools %%% 298 299# Check if we have found a usable version of make 300# $1: the path to a potential make binary (or empty) 301# $2: the description on how we found this 302AC_DEFUN([BASIC_CHECK_MAKE_VERSION], 303[ 304 MAKE_CANDIDATE="$1" 305 DESCRIPTION="$2" 306 if test "x$MAKE_CANDIDATE" != x; then 307 AC_MSG_NOTICE([Testing potential make at $MAKE_CANDIDATE, found using $DESCRIPTION]) 308 SET_FULL_PATH(MAKE_CANDIDATE) 309 MAKE_VERSION_STRING=`$MAKE_CANDIDATE --version | $HEAD -n 1` 310 IS_GNU_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP 'GNU Make'` 311 if test "x$IS_GNU_MAKE" = x; then 312 AC_MSG_NOTICE([Found potential make at $MAKE_CANDIDATE, however, this is not GNU Make. Ignoring.]) 313 else 314 IS_MODERN_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP '3.8[[12346789]]'` 315 if test "x$IS_MODERN_MAKE" = x; then 316 AC_MSG_NOTICE([Found GNU make at $MAKE_CANDIDATE, however this is not version 3.81 or later. (it is: $MAKE_VERSION_STRING). Ignoring.]) 317 else 318 FOUND_MAKE=$MAKE_CANDIDATE 319 fi 320 fi 321 fi 322]) 323 324# Goes looking for a usable version of GNU make. 325AC_DEFUN([BASIC_CHECK_GNU_MAKE], 326[ 327 # We need to find a recent version of GNU make. Especially on Solaris, this can be tricky. 328 if test "x$MAKE" != x; then 329 # User has supplied a make, test it. 330 if test ! -f "$MAKE"; then 331 AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not found.]) 332 fi 333 BASIC_CHECK_MAKE_VERSION("$MAKE", [user supplied MAKE=]) 334 if test "x$FOUND_MAKE" = x; then 335 AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not GNU make 3.81 or newer.]) 336 fi 337 else 338 # Try our hardest to locate a correct version of GNU make 339 AC_PATH_PROGS(CHECK_GMAKE, gmake) 340 BASIC_CHECK_MAKE_VERSION("$CHECK_GMAKE", [gmake in PATH]) 341 342 if test "x$FOUND_MAKE" = x; then 343 AC_PATH_PROGS(CHECK_MAKE, make) 344 BASIC_CHECK_MAKE_VERSION("$CHECK_MAKE", [make in PATH]) 345 fi 346 347 if test "x$FOUND_MAKE" = x; then 348 if test "x$TOOLS_DIR" != x; then 349 # We have a tools-dir, check that as well before giving up. 350 OLD_PATH=$PATH 351 PATH=$TOOLS_DIR:$PATH 352 AC_PATH_PROGS(CHECK_TOOLSDIR_GMAKE, gmake) 353 BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_GMAKE", [gmake in tools-dir]) 354 if test "x$FOUND_MAKE" = x; then 355 AC_PATH_PROGS(CHECK_TOOLSDIR_MAKE, make) 356 BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_MAKE", [make in tools-dir]) 357 fi 358 PATH=$OLD_PATH 359 fi 360 fi 361 362 if test "x$FOUND_MAKE" = x; then 363 AC_MSG_ERROR([Cannot find GNU make 3.81 or newer! Please put it in the path, or add e.g. MAKE=/opt/gmake3.81/make as argument to configure.]) 364 fi 365 fi 366 367 MAKE=$FOUND_MAKE 368 AC_SUBST(MAKE) 369 AC_MSG_NOTICE([Using GNU make 3.81 (or later) at $FOUND_MAKE (version: $MAKE_VERSION_STRING)]) 370]) 371 372AC_DEFUN([BASIC_CHECK_FIND_DELETE], 373[ 374 # Test if find supports -delete 375 AC_MSG_CHECKING([if find supports -delete]) 376 FIND_DELETE="-delete" 377 378 DELETEDIR=`mktemp -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?) 379 380 echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete 381 382 TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1` 383 if test -f $DELETEDIR/TestIfFindSupportsDelete; then 384 # No, it does not. 385 rm $DELETEDIR/TestIfFindSupportsDelete 386 FIND_DELETE="-exec rm \{\} \+" 387 AC_MSG_RESULT([no]) 388 else 389 AC_MSG_RESULT([yes]) 390 fi 391 rmdir $DELETEDIR 392]) 393 394# Test that variable $1 denoting a program is not empty. If empty, exit with an error. 395# $1: variable to check 396# $2: executable name to print in warning (optional) 397AC_DEFUN([CHECK_NONEMPTY], 398[ 399 if test "x[$]$1" = x; then 400 if test "x$2" = x; then 401 PROG_NAME=translit($1,A-Z,a-z) 402 else 403 PROG_NAME=$2 404 fi 405 AC_MSG_NOTICE([Could not find $PROG_NAME!]) 406 AC_MSG_ERROR([Cannot continue]) 407 fi 408]) 409 410# Does AC_PATH_PROG followed by CHECK_NONEMPTY. 411# Arguments as AC_PATH_PROG: 412# $1: variable to set 413# $2: executable name to look for 414AC_DEFUN([BASIC_REQUIRE_PROG], 415[ 416 AC_PATH_PROGS($1, $2) 417 CHECK_NONEMPTY($1, $2) 418]) 419 420AC_DEFUN_ONCE([BASIC_SETUP_TOOLS], 421[ 422# Start with tools that do not need have cross compilation support 423# and can be expected to be found in the default PATH. These tools are 424# used by configure. Nor are these tools expected to be found in the 425# devkit from the builddeps server either, since they are 426# needed to download the devkit. 427 428# First are all the simple required tools. 429BASIC_REQUIRE_PROG(BASENAME, basename) 430BASIC_REQUIRE_PROG(CAT, cat) 431BASIC_REQUIRE_PROG(CHMOD, chmod) 432BASIC_REQUIRE_PROG(CMP, cmp) 433BASIC_REQUIRE_PROG(CP, cp) 434BASIC_REQUIRE_PROG(CPIO, cpio) 435BASIC_REQUIRE_PROG(CUT, cut) 436BASIC_REQUIRE_PROG(DATE, date) 437BASIC_REQUIRE_PROG(DF, df) 438BASIC_REQUIRE_PROG(DIFF, [gdiff diff]) 439BASIC_REQUIRE_PROG(ECHO, echo) 440BASIC_REQUIRE_PROG(EXPR, expr) 441BASIC_REQUIRE_PROG(FILE, file) 442BASIC_REQUIRE_PROG(FIND, find) 443BASIC_REQUIRE_PROG(HEAD, head) 444BASIC_REQUIRE_PROG(LN, ln) 445BASIC_REQUIRE_PROG(LS, ls) 446BASIC_REQUIRE_PROG(MKDIR, mkdir) 447BASIC_REQUIRE_PROG(MV, mv) 448BASIC_REQUIRE_PROG(PRINTF, printf) 449BASIC_REQUIRE_PROG(SH, sh) 450BASIC_REQUIRE_PROG(SORT, sort) 451BASIC_REQUIRE_PROG(TAIL, tail) 452BASIC_REQUIRE_PROG(TAR, tar) 453BASIC_REQUIRE_PROG(TEE, tee) 454BASIC_REQUIRE_PROG(TOUCH, touch) 455BASIC_REQUIRE_PROG(TR, tr) 456BASIC_REQUIRE_PROG(UNIQ, uniq) 457BASIC_REQUIRE_PROG(UNZIP, unzip) 458BASIC_REQUIRE_PROG(WC, wc) 459BASIC_REQUIRE_PROG(XARGS, xargs) 460BASIC_REQUIRE_PROG(ZIP, zip) 461 462# Then required tools that require some special treatment. 463AC_PROG_AWK 464CHECK_NONEMPTY(AWK) 465AC_PROG_GREP 466CHECK_NONEMPTY(GREP) 467AC_PROG_EGREP 468CHECK_NONEMPTY(EGREP) 469AC_PROG_FGREP 470CHECK_NONEMPTY(FGREP) 471AC_PROG_SED 472CHECK_NONEMPTY(SED) 473 474AC_PATH_PROGS(NAWK, [nawk gawk awk]) 475CHECK_NONEMPTY(NAWK) 476 477BASIC_CHECK_GNU_MAKE 478 479BASIC_REQUIRE_PROG(RM, rm) 480RM="$RM -f" 481 482BASIC_CHECK_FIND_DELETE 483AC_SUBST(FIND_DELETE) 484 485# Non-required basic tools 486 487AC_PATH_PROG(THEPWDCMD, pwd) 488AC_PATH_PROG(LDD, ldd) 489if test "x$LDD" = "x"; then 490 # List shared lib dependencies is used for 491 # debug output and checking for forbidden dependencies. 492 # We can build without it. 493 LDD="true" 494fi 495AC_PATH_PROG(OTOOL, otool) 496if test "x$OTOOL" = "x"; then 497 OTOOL="true" 498fi 499AC_PATH_PROGS(READELF, [readelf greadelf]) 500AC_PATH_PROGS(OBJDUMP, [objdump gobjdump]) 501AC_PATH_PROG(HG, hg) 502]) 503 504AC_DEFUN_ONCE([BASIC_COMPILE_UNCYGDRIVE], 505[ 506# When using cygwin, we need a wrapper binary that renames 507# /cygdrive/c/ arguments into c:/ arguments and peeks into 508# @files and rewrites these too! This wrapper binary is 509# called uncygdrive.exe. 510UNCYGDRIVE= 511if test "x$OPENJDK_BUILD_OS" = xwindows; then 512 AC_MSG_CHECKING([if uncygdrive can be created]) 513 UNCYGDRIVE_SRC=`$CYGPATH -m $SRC_ROOT/common/src/uncygdrive.c` 514 rm -f $OUTPUT_ROOT/uncygdrive* 515 UNCYGDRIVE=`$CYGPATH -m $OUTPUT_ROOT/uncygdrive.exe` 516 cd $OUTPUT_ROOT 517 $CC $UNCYGDRIVE_SRC /Fe$UNCYGDRIVE > $OUTPUT_ROOT/uncygdrive1.log 2>&1 518 cd $CURDIR 519 520 if test ! -x $OUTPUT_ROOT/uncygdrive.exe; then 521 AC_MSG_RESULT([no]) 522 cat $OUTPUT_ROOT/uncygdrive1.log 523 AC_MSG_ERROR([Could not create $OUTPUT_ROOT/uncygdrive.exe]) 524 fi 525 AC_MSG_RESULT([$UNCYGDRIVE]) 526 AC_MSG_CHECKING([if uncygdrive.exe works]) 527 cd $OUTPUT_ROOT 528 $UNCYGDRIVE $CC $SRC_ROOT/common/src/uncygdrive.c /Fe$OUTPUT_ROOT/uncygdrive2.exe > $OUTPUT_ROOT/uncygdrive2.log 2>&1 529 cd $CURDIR 530 if test ! -x $OUTPUT_ROOT/uncygdrive2.exe; then 531 AC_MSG_RESULT([no]) 532 cat $OUTPUT_ROOT/uncygdrive2.log 533 AC_MSG_ERROR([Uncygdrive did not work!]) 534 fi 535 AC_MSG_RESULT([yes]) 536 rm -f $OUTPUT_ROOT/uncygdrive?.??? $OUTPUT_ROOT/uncygdrive.obj 537 # The path to uncygdrive to use should be Unix-style 538 UNCYGDRIVE="$OUTPUT_ROOT/uncygdrive.exe" 539fi 540 541AC_SUBST(UNCYGDRIVE) 542]) 543 544 545# Check if build directory is on local disk. 546# Argument 1: directory to test 547# Argument 2: what to do if it is on local disk 548# Argument 3: what to do otherwise (remote disk or failure) 549AC_DEFUN([BASIC_CHECK_DIR_ON_LOCAL_DISK], 550[ 551 # df -l lists only local disks; if the given directory is not found then 552 # a non-zero exit code is given 553 if $DF -l $1 > /dev/null 2>&1; then 554 $2 555 else 556 $3 557 fi 558]) 559 560AC_DEFUN_ONCE([BASIC_TEST_USABILITY_ISSUES], 561[ 562 563AC_MSG_CHECKING([if build directory is on local disk]) 564BASIC_CHECK_DIR_ON_LOCAL_DISK($OUTPUT_ROOT, 565 [OUTPUT_DIR_IS_LOCAL="yes"], 566 [OUTPUT_DIR_IS_LOCAL="no"]) 567AC_MSG_RESULT($OUTPUT_DIR_IS_LOCAL) 568 569# Check if the user has any old-style ALT_ variables set. 570FOUND_ALT_VARIABLES=`env | grep ^ALT_` 571 572# Before generating output files, test if they exist. If they do, this is a reconfigure. 573# Since we can't properly handle the dependencies for this, warn the user about the situation 574if test -e $OUTPUT_ROOT/spec.gmk; then 575 IS_RECONFIGURE=yes 576else 577 IS_RECONFIGURE=no 578fi 579 580if test -e $SRC_ROOT/build/.hide-configure-performance-hints; then 581 HIDE_PERFORMANCE_HINTS=yes 582else 583 HIDE_PERFORMANCE_HINTS=no 584 # Hide it the next time around... 585 $TOUCH $SRC_ROOT/build/.hide-configure-performance-hints > /dev/null 2>&1 586fi 587 588]) 589