1#### This script is meant to be sourced by ltconfig. 2 3# ltcf-c.sh - Create a C compiler specific configuration 4# 5# Copyright (C) 1996-2000, 2001 Free Software Foundation, Inc. 6# Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 7# 8# This file is free software; you can redistribute it and/or modify it 9# under the terms of the GNU General Public License as published by 10# the Free Software Foundation; either version 2 of the License, or 11# (at your option) any later version. 12# 13# This program is distributed in the hope that it will be useful, but 14# WITHOUT ANY WARRANTY; without even the implied warranty of 15# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 16# General Public License for more details. 17# 18# You should have received a copy of the GNU General Public License 19# along with this program; if not, write to the Free Software 20# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 21# 22# As a special exception to the GNU General Public License, if you 23# distribute this file as part of a program that contains a 24# configuration script generated by Autoconf, you may include it under 25# the same distribution terms that you use for the rest of that program. 26 27 28# Source file extension for C test sources. 29ac_ext=c 30 31# Object file extension for compiled C test sources. 32objext=o 33 34# Code to be used in simple compile tests 35lt_simple_compile_test_code="int some_variable = 0;" 36 37# Code to be used in simple link tests 38lt_simple_link_test_code='main(){return(0);}' 39 40## Linker Characteristics 41case $host_os in 42cygwin* | mingw*) 43 # FIXME: the MSVC++ port hasn't been tested in a loooong time 44 # When not using gcc, we currently assume that we are using 45 # Microsoft Visual C++. 46 if test "$with_gcc" != yes; then 47 with_gnu_ld=no 48 fi 49 ;; 50 51esac 52 53ld_shlibs=yes 54if test "$with_gnu_ld" = yes; then 55 # If archive_cmds runs LD, not CC, wlarc should be empty 56 wlarc='${wl}' 57 58 # See if GNU ld supports shared libraries. 59 case $host_os in 60 aix3* | aix4* | aix5*) 61 # On AIX/PPC, the GNU linker is very broken 62 if test "$host_cpu" != ia64; then 63 ld_shlibs=no 64 cat <<EOF 1>&2 65 66*** Warning: the GNU linker, at least up to release 2.9.1, is reported 67*** to be unable to reliably create shared libraries on AIX. 68*** Therefore, libtool is disabling shared libraries support. If you 69*** really care for shared libraries, you may want to modify your PATH 70*** so that a non-GNU linker is found, and then restart. 71 72EOF 73 fi 74 ;; 75 76 amigaos*) 77 archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' 78 hardcode_libdir_flag_spec='-L$libdir' 79 hardcode_minus_L=yes 80 81 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports 82 # that the semantics of dynamic libraries on AmigaOS, at least up 83 # to version 4, is to share data among multiple programs linked 84 # with the same dynamic library. Since this doesn't match the 85 # behavior of shared libraries on other platforms, we can use 86 # them. 87 ld_shlibs=no 88 ;; 89 90 beos*) 91 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then 92 allow_undefined_flag=unsupported 93 # Joseph Beckenbach <jrb3@best.com> says some releases of gcc 94 # support --undefined. This deserves some investigation. FIXME 95 archive_cmds='$CC -nostart $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 96 else 97 ld_shlibs=no 98 fi 99 ;; 100 101 cygwin* | mingw*) 102 # hardcode_libdir_flag_spec is actually meaningless, as there is 103 # no search path for DLLs. 104 hardcode_libdir_flag_spec='-L$libdir' 105 allow_undefined_flag=unsupported 106 always_export_symbols=yes 107 108 extract_expsyms_cmds='test -f $output_objdir/impgen.c || \ 109 sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/impgen.c~ 110 test -f $output_objdir/impgen.exe || (cd $output_objdir && \ 111 if test "x$BUILD_CC" != "x" ; then $BUILD_CC -o impgen impgen.c ; \ 112 else $CC -o impgen impgen.c ; fi)~ 113 $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def' 114 115 old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib' 116 117 # cygwin and mingw dlls have different entry points and sets of symbols 118 # to exclude. 119 # FIXME: what about values for MSVC? 120 dll_entry=__cygwin_dll_entry@12 121 dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~ 122 case $host_os in 123 mingw*) 124 # mingw values 125 dll_entry=_DllMainCRTStartup@12 126 dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~ 127 ;; 128 esac 129 130 # mingw and cygwin differ, and it's simplest to just exclude the union 131 # of the two symbol sets. 132 dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12 133 134 # recent cygwin and mingw systems supply a stub DllMain which the user 135 # can override, but on older systems we have to supply one (in ltdll.c) 136 if test "x$lt_cv_need_dllmain" = "xyes"; then 137 ltdll_obj='$output_objdir/$soname-ltdll.'"$objext " 138 ltdll_cmds='test -f $output_objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/$soname-ltdll.c~ 139 test -f $output_objdir/$soname-ltdll.$objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~' 140 else 141 ltdll_obj= 142 ltdll_cmds= 143 fi 144 145 # Extract the symbol export list from an `--export-all' def file, 146 # then regenerate the def file from the symbol export list, so that 147 # the compiled dll only exports the symbol export list. 148 # Be careful not to strip the DATA tag left be newer dlltools. 149 export_symbols_cmds="$ltdll_cmds"' 150 $DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~ 151 sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols' 152 153 # If the export-symbols file already is a .def file (1st line 154 # is EXPORTS), use it as is. 155 # If DATA tags from a recent dlltool are present, honour them! 156 archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then 157 cp $export_symbols $output_objdir/$soname-def; 158 else 159 echo EXPORTS > $output_objdir/$soname-def; 160 _lt_hint=1; 161 cat $export_symbols | while read symbol; do 162 set dummy \$symbol; 163 case \[$]# in 164 2) echo " \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;; 165 *) echo " \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;; 166 esac; 167 _lt_hint=`expr 1 + \$_lt_hint`; 168 done; 169 fi~ 170 '"$ltdll_cmds"' 171 $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~ 172 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp~ 173 $CC -Wl,--base-file,$output_objdir/$soname-base $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~ 174 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols '$dll_exclude_symbols' --def $output_objdir/$soname-def --base-file $output_objdir/$soname-base --output-exp $output_objdir/$soname-exp --output-lib $output_objdir/$libname.dll.a~ 175 $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags' 176 ;; 177 178 netbsd* | knetbsd*-gnu) 179 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then 180 archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' 181 wlarc= 182 else 183 archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 184 archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 185 fi 186 ;; 187 188 solaris* | sysv5*) 189 if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then 190 ld_shlibs=no 191 cat <<EOF 1>&2 192 193*** Warning: The releases 2.8.* of the GNU linker cannot reliably 194*** create shared libraries on Solaris systems. Therefore, libtool 195*** is disabling shared libraries support. We urge you to upgrade GNU 196*** binutils to release 2.9.1 or newer. Another option is to modify 197*** your PATH or compiler configuration so that the native linker is 198*** used, and then restart. 199 200EOF 201 elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then 202 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 203 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 204 else 205 ld_shlibs=no 206 fi 207 ;; 208 209 sunos4*) 210 archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' 211 wlarc= 212 hardcode_direct=yes 213 hardcode_shlibpath_var=no 214 ;; 215 216 tpf*) 217 ld_shlibs=yes 218 ;; 219 220 *) 221 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then 222 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 223 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 224 else 225 ld_shlibs=no 226 fi 227 ;; 228 esac 229 230 if test "$ld_shlibs" = yes; then 231 runpath_var=LD_RUN_PATH 232 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' 233 export_dynamic_flag_spec='${wl}--export-dynamic' 234 case $host_os in 235 cygwin* | mingw*) 236 # dlltool doesn't understand --whole-archive et. al. 237 whole_archive_flag_spec= 238 ;; 239 *) 240 # ancient GNU ld didn't support --whole-archive et. al. 241 if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then 242 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' 243 else 244 whole_archive_flag_spec= 245 fi 246 ;; 247 esac 248 fi 249else 250 # PORTME fill in a description of your system's linker (not GNU ld) 251 case $host_os in 252 aix3*) 253 allow_undefined_flag=unsupported 254 always_export_symbols=yes 255 archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' 256 # Note: this linker hardcodes the directories in LIBPATH if there 257 # are no directories specified by -L. 258 hardcode_minus_L=yes 259 if test "$with_gcc" = yes && test -z "$link_static_flag"; then 260 # Neither direct hardcoding nor static linking is supported with a 261 # broken collect2. 262 hardcode_direct=unsupported 263 fi 264 ;; 265 266 aix4* | aix5*) 267 hardcode_direct=yes 268 hardcode_libdir_separator=':' 269 link_all_deplibs=yes 270 file_list_spec='${wl}-f,' 271 # When large executables or shared objects are built, AIX ld can 272 # have problems creating the table of contents. If linking a library 273 # or program results in "error TOC overflow" add -mminimal-toc to 274 # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not 275 # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. 276 if test "$with_gcc" = yes; then 277 case $host_os in aix4.[012]|aix4.[012].*) 278 # We only want to do this on AIX 4.2 and lower, the check 279 # below for broken collect2 doesn't work under 4.3+ 280 collect2name=`${CC} -print-prog-name=collect2` 281 if test -f "$collect2name" && \ 282 strings "$collect2name" | grep resolve_lib_name >/dev/null 283 then 284 # We have reworked collect2 285 hardcode_direct=yes 286 else 287 # We have old collect2 288 hardcode_direct=unsupported 289 # It fails to find uninstalled libraries when the uninstalled 290 # path is not listed in the libpath. Setting hardcode_minus_L 291 # to unsupported forces relinking 292 hardcode_minus_L=yes 293 hardcode_libdir_flag_spec='-L$libdir' 294 hardcode_libdir_separator= 295 fi 296 esac 297 shared_flag='-shared' 298 else 299 # not using gcc 300 if test "$host_cpu" = ia64; then 301 shared_flag='${wl}-G' 302 else 303 shared_flag='${wl}-bM:SRE' 304 fi 305 fi 306 307 if test "$host_cpu" = ia64; then 308 # On IA64, the linker does run time linking by default, so we don't 309 # have to do anything special. 310 aix_use_runtimelinking=no 311 if test $with_gnu_ld = no; then 312 exp_sym_flag='-Bexport' 313 no_entry_flag="" 314 fi 315 else 316 # Test if we are trying to use run time linking, or normal AIX style linking. 317 # If -brtl is somewhere in LDFLAGS, we need to do run time linking. 318 aix_use_runtimelinking=no 319 for ld_flag in $LDFLAGS; do 320 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then 321 aix_use_runtimelinking=yes 322 break 323 fi 324 done 325 exp_sym_flag='-bexport' 326 no_entry_flag='-bnoentry' 327 fi 328 # -bexpall does not export symbols beginning with underscore (_) 329 always_export_symbols=yes 330 if test "$aix_use_runtimelinking" = yes; then 331 # Warning - without using the other run time loading flags (-brtl), -berok will 332 # link without error, but may produce a broken library. 333 allow_undefined_flag=' ${wl}-berok' 334 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' 335 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols" 336 else 337 if test "$host_cpu" = ia64; then 338 if test $with_gnu_ld = no; then 339 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' 340 allow_undefined_flag="-z nodefs" 341 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols" 342 fi 343 else 344 allow_undefined_flag=' ${wl}-berok' 345 # -bexpall does not export symbols beginning with underscore (_) 346 always_export_symbols=yes 347 # Exported symbols can be pulled into shared objects from archives 348 whole_archive_flag_spec=' ' 349 build_libtool_need_lc=yes 350 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' 351 # This is similar to how AIX traditionally builds it's shared libraries. 352 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}~$AR $AR_FLAGS $output_objdir/$libname$release.a $output_objdir/$soname' 353 fi 354 fi 355 ;; 356 357 amigaos*) 358 archive_cmds='$rm $output_objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $output_objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $output_objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $output_objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $output_objdir/a2ixlibrary.data~$AR $AR_FLAGS $lib $libobjs~$RANLIB $lib~(cd $output_objdir && a2ixlibrary -32)' 359 hardcode_libdir_flag_spec='-L$libdir' 360 hardcode_minus_L=yes 361 # see comment about different semantics on the GNU ld section 362 ld_shlibs=no 363 ;; 364 365 cygwin* | mingw*) 366 # When not using gcc, we currently assume that we are using 367 # Microsoft Visual C++. 368 # hardcode_libdir_flag_spec is actually meaningless, as there is 369 # no search path for DLLs. 370 hardcode_libdir_flag_spec=' ' 371 allow_undefined_flag=unsupported 372 # Tell ltmain to make .lib files, not .a files. 373 libext=lib 374 # FIXME: Setting linknames here is a bad hack. 375 archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames=' 376 # The linker will automatically build a .lib file if we build a DLL. 377 old_archive_from_new_cmds='true' 378 # FIXME: Should let the user specify the lib program. 379 old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs' 380 fix_srcfile_path='`cygpath -w "$srcfile"`' 381 ;; 382 383 darwin* | rhapsody*) 384 case "$host_os" in 385 rhapsody* | darwin1.[[012]]) 386 allow_undefined_flag='-undefined suppress' 387 ;; 388 *) # Darwin 1.3 on 389 if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then 390 allow_undefined_flag='-flat_namespace -undefined suppress' 391 else 392 case ${MACOSX_DEPLOYMENT_TARGET} in 393 10.[[012]]) 394 allow_undefined_flag='-flat_namespace -undefined suppress' 395 ;; 396 10.*) 397 allow_undefined_flag='-undefined dynamic_lookup' 398 ;; 399 esac 400 fi 401 ;; 402 esac 403 # Disable shared library build on OS-X older than 10.3. 404 case $host_os in 405 darwin[1-6]*) 406 can_build_shared=no 407 ;; 408 darwin7*) 409 can_build_shared=yes 410 ;; 411 esac 412 output_verbose_link_cmd='echo' 413 archive_cmds='$CC -dynamiclib $allow_undefined_flag -o $lib $libobjs $deplibs$compiler_flags -install_name $rpath/$soname $verstring' 414 module_cmds='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags' 415 # Don't fix this by using the ld -exported_symbols_list flag, 416 # it doesn't exist in older darwin ld's 417 archive_expsym_cmds='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC -dynamiclib $allow_undefined_flag -o $lib $libobjs $deplibs$compiler_flags -install_name $rpath/$soname $verstring~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}' 418 module_expsym_cmds='sed -e "s,#.*,," -e "s,^[ ]*,," -e "s,^\(..*\),_&," < $export_symbols > $output_objdir/${libname}-symbols.expsym~$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags~nmedit -s $output_objdir/${libname}-symbols.expsym ${lib}' 419 hardcode_direct=no 420 hardcode_automatic=yes 421 hardcode_shlibpath_var=unsupported 422 whole_archive_flag_spec='' 423 link_all_deplibs=yes 424 ;; 425 426 freebsd1*) 427 ld_shlibs=no 428 ;; 429 430 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor 431 # support. Future versions do this automatically, but an explicit c++rt0.o 432 # does not break anything, and helps significantly (at the cost of a little 433 # extra space). 434 freebsd2.2*) 435 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' 436 hardcode_libdir_flag_spec='-R$libdir' 437 hardcode_direct=yes 438 hardcode_shlibpath_var=no 439 ;; 440 441 # Unfortunately, older versions of FreeBSD 2 do not have this feature. 442 freebsd2*) 443 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' 444 hardcode_direct=yes 445 hardcode_minus_L=yes 446 hardcode_shlibpath_var=no 447 ;; 448 449 # FreeBSD 3 and greater uses gcc -shared to do shared libraries. 450 freebsd* | kfreebsd*-gnu) 451 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags' 452 hardcode_libdir_flag_spec='-R$libdir' 453 hardcode_direct=yes 454 hardcode_shlibpath_var=no 455 ;; 456 457 hpux9* | hpux10* | hpux11*) 458 case "$host_cpu" in 459 ia64*) 460 hardcode_direct=no 461 hardcode_shlibpath_var=no 462 archive_cmds='$LD -b +h $soname -o $lib $libobjs $deplibs $linker_flags' 463 hardcode_libdir_flag_spec='-L$libdir' ;; 464 *) 465 if test $with_gcc = yes; then 466 case "$host_os" in 467 hpux9*) archive_cmds='$rm $output_objdir/$soname~$CC -shared -fPIC ${wl}+b ${wl}$install_libdir -o $output_objdir/$soname $libobjs $deplibs $compiler_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;; 468 *) archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; 469 esac 470 else 471 case $host_os in 472 hpux9*) archive_cmds='$rm $output_objdir/$soname~$LD -b +b $install_libdir -o $output_objdir/$soname $libobjs $deplibs $linker_flags~test $output_objdir/$soname = $lib || mv $output_objdir/$soname $lib' ;; 473 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;; 474 esac 475 fi 476 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' 477 hardcode_libdir_separator=: 478 hardcode_minus_L=yes # Not in the search PATH, but as the default 479 # location of the library. 480 ;; 481 esac 482 export_dynamic_flag_spec='${wl}-E' 483 hardcode_direct=yes 484 ;; 485 486 irix5* | irix6*) 487 if test "$with_gcc" = yes; then 488 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' 489 else 490 archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 491 fi 492 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 493 hardcode_libdir_separator=: 494 link_all_deplibs=yes 495 ;; 496 497 netbsd* | knetbsd*-gnu) 498 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then 499 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out 500 else 501 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF 502 fi 503 hardcode_libdir_flag_spec='-R$libdir' 504 hardcode_direct=yes 505 hardcode_shlibpath_var=no 506 ;; 507 508 newsos6) 509 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' 510 hardcode_direct=yes 511 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 512 hardcode_libdir_separator=: 513 hardcode_shlibpath_var=no 514 ;; 515 516 openbsd*) 517 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' 518 hardcode_libdir_flag_spec='-R$libdir' 519 hardcode_direct=yes 520 hardcode_shlibpath_var=no 521 ;; 522 523 os2*) 524 hardcode_libdir_flag_spec='-L$libdir' 525 hardcode_minus_L=yes 526 allow_undefined_flag=unsupported 527 archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $output_objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $output_objdir/$libname.def~$echo DATA >> $output_objdir/$libname.def~$echo " SINGLE NONSHARED" >> $output_objdir/$libname.def~$echo EXPORTS >> $output_objdir/$libname.def~emxexp $libobjs >> $output_objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $compiler_flags $output_objdir/$libname.def' 528 old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' 529 ;; 530 531 osf3*) 532 if test "$with_gcc" = yes; then 533 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 534 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' 535 else 536 allow_undefined_flag=' -expect_unresolved \*' 537 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 538 fi 539 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 540 hardcode_libdir_separator=: 541 ;; 542 543 osf4* | osf5*) # as osf3* with the addition of -msym flag 544 if test "$with_gcc" = yes; then 545 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 546 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $compiler_flags ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' 547 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 548 else 549 allow_undefined_flag=' -expect_unresolved \*' 550 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 551 archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~ 552 $LD -shared${allow_undefined_flag} -input $lib.exp $linker_flags $libobjs $deplibs -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib~$rm $lib.exp' 553 554 # cc supports -rpath directly 555 hardcode_libdir_flag_spec='-rpath $libdir' 556 fi 557 hardcode_libdir_separator=: 558 ;; 559 560 sco3.2v5*) 561 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 562 hardcode_shlibpath_var=no 563 runpath_var=LD_RUN_PATH 564 hardcode_runpath_var=yes 565 ;; 566 567 solaris*) 568 no_undefined_flag=' -z defs' 569 if test "$with_gcc" = yes; then 570 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' 571 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 572 $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp' 573 else 574 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' 575 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 576 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' 577 fi 578 hardcode_libdir_flag_spec='-R$libdir' 579 hardcode_shlibpath_var=no 580 case $host_os in 581 solaris2.[0-5] | solaris2.[0-5].*) ;; 582 *) # Supported since Solaris 2.6 (maybe 2.5.1?) 583 whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;; 584 esac 585 link_all_deplibs=yes 586 ;; 587 588 sunos4*) 589 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' 590 hardcode_libdir_flag_spec='-L$libdir' 591 hardcode_direct=yes 592 hardcode_minus_L=yes 593 hardcode_shlibpath_var=no 594 ;; 595 596 sysv4) 597 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 598 runpath_var='LD_RUN_PATH' 599 hardcode_shlibpath_var=no 600 hardcode_direct=no #Motorola manual says yes, but my tests say they lie 601 ;; 602 603 sysv4.3*) 604 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 605 hardcode_shlibpath_var=no 606 export_dynamic_flag_spec='-Bexport' 607 ;; 608 609 sysv5*) 610 no_undefined_flag=' -z text' 611 # $CC -shared without GNU ld will not create a library from C++ 612 # object files and a static libstdc++, better avoid it by now 613 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' 614 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 615 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' 616 hardcode_libdir_flag_spec= 617 hardcode_shlibpath_var=no 618 runpath_var='LD_RUN_PATH' 619 ;; 620 621 uts4*) 622 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 623 hardcode_libdir_flag_spec='-L$libdir' 624 hardcode_shlibpath_var=no 625 ;; 626 627 dgux*) 628 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 629 hardcode_libdir_flag_spec='-L$libdir' 630 hardcode_shlibpath_var=no 631 ;; 632 633 sysv4*MP*) 634 if test -d /usr/nec; then 635 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 636 hardcode_shlibpath_var=no 637 runpath_var=LD_RUN_PATH 638 hardcode_runpath_var=yes 639 ld_shlibs=yes 640 fi 641 ;; 642 643 sysv4.2uw2*) 644 archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' 645 hardcode_direct=yes 646 hardcode_minus_L=no 647 hardcode_shlibpath_var=no 648 hardcode_runpath_var=yes 649 runpath_var=LD_RUN_PATH 650 ;; 651 652 sysv5uw7* | unixware7*) 653 no_undefined_flag='${wl}-z ${wl}text' 654 if test "$GCC" = yes; then 655 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' 656 else 657 archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' 658 fi 659 runpath_var='LD_RUN_PATH' 660 hardcode_shlibpath_var=no 661 ;; 662 663 *) 664 ld_shlibs=no 665 ;; 666 esac 667fi 668 669## Compiler Characteristics: PIC flags, static flags, etc 670if test "X${ac_cv_prog_cc_pic+set}" = Xset; then 671 : 672else 673 ac_cv_prog_cc_pic= 674 ac_cv_prog_cc_shlib= 675 ac_cv_prog_cc_wl= 676 ac_cv_prog_cc_static= 677 ac_cv_prog_cc_no_builtin= 678 ac_cv_prog_cc_can_build_shared=$can_build_shared 679 680 if test "$with_gcc" = yes; then 681 ac_cv_prog_cc_wl='-Wl,' 682 ac_cv_prog_cc_static='-static' 683 684 case $host_os in 685 aix*) 686 # All AIX code is PIC. 687 if test "$host_cpu" = ia64; then 688 # AIX 5 now supports IA64 processor 689 lt_cv_prog_cc_static='-Bstatic' 690 else 691 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' 692 fi 693 ;; 694 amigaos*) 695 # FIXME: we need at least 68020 code to build shared libraries, but 696 # adding the `-m68020' flag to GCC prevents building anything better, 697 # like `-m68040'. 698 ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' 699 ;; 700 beos* | irix5* | irix6* | osf3* | osf4* | osf5*) 701 # PIC is the default for these OSes. 702 ;; 703 cygwin* | mingw* | os2*) 704 # This hack is so that the source file can tell whether it is being 705 # built for inclusion in a dll (and should export symbols for example). 706 ac_cv_prog_cc_pic='-DDLL_EXPORT' 707 ;; 708 darwin* | rhapsody*) 709 # PIC is the default on this platform 710 # Common symbols not allowed in MH_DYLIB files 711 ac_cv_prog_cc_pic='-fno-common' 712 ;; 713 *djgpp*) 714 # DJGPP does not support shared libraries at all 715 ac_cv_prog_cc_pic= 716 ;; 717 sysv4*MP*) 718 if test -d /usr/nec; then 719 ac_cv_prog_cc_pic=-Kconform_pic 720 fi 721 ;; 722 *) 723 ac_cv_prog_cc_pic='-fPIC' 724 ;; 725 esac 726 else 727 # PORTME Check for PIC flags for the system compiler. 728 case $host_os in 729 aix*) 730 # All AIX code is PIC. 731 ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC" 732 ;; 733 734 hpux9* | hpux10* | hpux11*) 735 # Is there a better ac_cv_prog_cc_static that works with the bundled CC? 736 ac_cv_prog_cc_wl='-Wl,' 737 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" 738 ac_cv_prog_cc_pic='+Z' 739 ;; 740 741 irix5* | irix6*) 742 ac_cv_prog_cc_wl='-Wl,' 743 ac_cv_prog_cc_static='-non_shared' 744 # PIC (with -KPIC) is the default. 745 ;; 746 747 cygwin* | mingw* | os2*) 748 # This hack is so that the source file can tell whether it is being 749 # built for inclusion in a dll (and should export symbols for example). 750 ac_cv_prog_cc_pic='-DDLL_EXPORT' 751 ;; 752 753 newsos6) 754 ac_cv_prog_cc_pic='-KPIC' 755 ac_cv_prog_cc_static='-Bstatic' 756 ;; 757 758 osf3* | osf4* | osf5*) 759 # All OSF/1 code is PIC. 760 ac_cv_prog_cc_wl='-Wl,' 761 ac_cv_prog_cc_static='-non_shared' 762 ;; 763 764 sco3.2v5*) 765 ac_cv_prog_cc_pic='-Kpic' 766 ac_cv_prog_cc_static='-dn' 767 ac_cv_prog_cc_shlib='-belf' 768 ;; 769 770 solaris*) 771 ac_cv_prog_cc_pic='-KPIC' 772 ac_cv_prog_cc_static='-Bstatic' 773 ac_cv_prog_cc_wl='-Wl,' 774 ;; 775 776 sunos4*) 777 ac_cv_prog_cc_pic='-PIC' 778 ac_cv_prog_cc_static='-Bstatic' 779 ac_cv_prog_cc_wl='-Qoption ld ' 780 ;; 781 782 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) 783 ac_cv_prog_cc_pic='-KPIC' 784 ac_cv_prog_cc_static='-Bstatic' 785 ac_cv_prog_cc_wl='-Wl,' 786 ;; 787 788 uts4*) 789 ac_cv_prog_cc_pic='-pic' 790 ac_cv_prog_cc_static='-Bstatic' 791 ;; 792 793 sysv4*MP*) 794 if test -d /usr/nec ;then 795 ac_cv_prog_cc_pic='-Kconform_pic' 796 ac_cv_prog_cc_static='-Bstatic' 797 fi 798 ;; 799 800 *) 801 ac_cv_prog_cc_can_build_shared=no 802 ;; 803 esac 804 fi 805 case "$host_os" in 806 # Platforms which do not suport PIC and -DPIC is meaningless 807 # on them: 808 *djgpp*) 809 ac_cv_prog_cc_pic= 810 ;; 811 *) 812 ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC" 813 ;; 814 esac 815fi 816 817need_lc=yes 818if test "$enable_shared" = yes && test "$with_gcc" = yes; then 819 case $archive_cmds in 820 *'~'*) 821 # FIXME: we may have to deal with multi-command sequences. 822 ;; 823 '$CC '*) 824 # Test whether the compiler implicitly links with -lc since on some 825 # systems, -lgcc has to come before -lc. If gcc already passes -lc 826 # to ld, don't add -lc before -lgcc. 827 echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6 828 if eval "test \"`echo '$''{'ac_cv_archive_cmds_needs_lc'+set}'`\" = set"; then 829 echo $ac_n "(cached) $ac_c" 1>&6 830 need_lc=$ac_cv_archive_cmds_needs_lc 831 else 832 $rm conftest* 833 echo "static int dummy;" > conftest.$ac_ext 834 if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then 835 # Append any warnings to the config.log. 836 cat conftest.err 1>&5 837 soname=conftest 838 lib=conftest 839 libobjs=conftest.$objext 840 deplibs= 841 wl=$ac_cv_prog_cc_wl 842 compiler_flags=-v 843 linker_flags=-v 844 verstring= 845 output_objdir=. 846 libname=conftest 847 save_allow_undefined_flag=$allow_undefined_flag 848 allow_undefined_flag= 849 if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then 850 need_lc=no 851 fi 852 allow_undefined_flag=$save_allow_undefined_flag 853 else 854 cat conftest.err 1>&5 855 fi 856 fi 857 $rm conftest* 858 echo "$ac_t$need_lc" 1>&6 859 ;; 860 esac 861fi 862ac_cv_archive_cmds_needs_lc=$need_lc 863