ltcf-c.sh revision a89495f48f185779ff7d9d64ce6e6b037c9ded87
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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 # When large executables or shared objects are built, AIX ld can 271 # have problems creating the table of contents. If linking a library 272 # or program results in "error TOC overflow" add -mminimal-toc to 273 # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not 274 # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. 275 if test "$with_gcc" = yes; then 276 case $host_os in aix4.[012]|aix4.[012].*) 277 # We only want to do this on AIX 4.2 and lower, the check 278 # below for broken collect2 doesn't work under 4.3+ 279 collect2name=`${CC} -print-prog-name=collect2` 280 if test -f "$collect2name" && \ 281 strings "$collect2name" | grep resolve_lib_name >/dev/null 282 then 283 # We have reworked collect2 284 hardcode_direct=yes 285 else 286 # We have old collect2 287 hardcode_direct=unsupported 288 # It fails to find uninstalled libraries when the uninstalled 289 # path is not listed in the libpath. Setting hardcode_minus_L 290 # to unsupported forces relinking 291 hardcode_minus_L=yes 292 hardcode_libdir_flag_spec='-L$libdir' 293 hardcode_libdir_separator= 294 fi 295 esac 296 shared_flag='-shared' 297 else 298 # not using gcc 299 if test "$host_cpu" = ia64; then 300 shared_flag='${wl}-G' 301 else 302 shared_flag='${wl}-bM:SRE' 303 fi 304 fi 305 306 if test "$host_cpu" = ia64; then 307 # On IA64, the linker does run time linking by default, so we don't 308 # have to do anything special. 309 aix_use_runtimelinking=no 310 if test $with_gnu_ld = no; then 311 exp_sym_flag='-Bexport' 312 no_entry_flag="" 313 fi 314 else 315 # Test if we are trying to use run time linking, or normal AIX style linking. 316 # If -brtl is somewhere in LDFLAGS, we need to do run time linking. 317 aix_use_runtimelinking=no 318 for ld_flag in $LDFLAGS; do 319 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then 320 aix_use_runtimelinking=yes 321 break 322 fi 323 done 324 exp_sym_flag='-bexport' 325 no_entry_flag='-bnoentry' 326 fi 327 # -bexpall does not export symbols beginning with underscore (_) 328 always_export_symbols=yes 329 if test "$aix_use_runtimelinking" = yes; then 330 # Warning - without using the other run time loading flags (-brtl), -berok will 331 # link without error, but may produce a broken library. 332 allow_undefined_flag=' ${wl}-berok' 333 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' 334 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols" 335 else 336 if test "$host_cpu" = ia64; then 337 if test $with_gnu_ld = no; then 338 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' 339 allow_undefined_flag="-z nodefs" 340 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" 341 fi 342 else 343 allow_undefined_flag=' ${wl}-berok' 344 # -bexpall does not export symbols beginning with underscore (_) 345 always_export_symbols=yes 346 # Exported symbols can be pulled into shared objects from archives 347 whole_archive_flag_spec=' ' 348 build_libtool_need_lc=yes 349 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' 350 # This is similar to how AIX traditionally builds it's shared libraries. 351 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' 352 fi 353 fi 354 ;; 355 356 amigaos*) 357 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 $output_objdir && a2ixlibrary -32)' 358 hardcode_libdir_flag_spec='-L$libdir' 359 hardcode_minus_L=yes 360 # see comment about different semantics on the GNU ld section 361 ld_shlibs=no 362 ;; 363 364 cygwin* | mingw*) 365 # When not using gcc, we currently assume that we are using 366 # Microsoft Visual C++. 367 # hardcode_libdir_flag_spec is actually meaningless, as there is 368 # no search path for DLLs. 369 hardcode_libdir_flag_spec=' ' 370 allow_undefined_flag=unsupported 371 # Tell ltmain to make .lib files, not .a files. 372 libext=lib 373 # FIXME: Setting linknames here is a bad hack. 374 archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames=' 375 # The linker will automatically build a .lib file if we build a DLL. 376 old_archive_from_new_cmds='true' 377 # FIXME: Should let the user specify the lib program. 378 old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs' 379 fix_srcfile_path='`cygpath -w "$srcfile"`' 380 ;; 381 382 darwin* | rhapsody*) 383 case "$host_os" in 384 rhapsody* | darwin1.[[012]]) 385 allow_undefined_flag='-undefined suppress' 386 ;; 387 *) # Darwin 1.3 on 388 if test -z ${MACOSX_DEPLOYMENT_TARGET} ; then 389 allow_undefined_flag='-flat_namespace -undefined suppress' 390 else 391 case ${MACOSX_DEPLOYMENT_TARGET} in 392 10.[[012]]) 393 allow_undefined_flag='-flat_namespace -undefined suppress' 394 ;; 395 10.*) 396 allow_undefined_flag='-undefined dynamic_lookup' 397 ;; 398 esac 399 fi 400 ;; 401 esac 402 # Disable shared library build on OS-X older than 10.3. 403 case $host_os in 404 darwin[1-6]*) 405 can_build_shared=no 406 ;; 407 darwin7*) 408 can_build_shared=yes 409 ;; 410 esac 411 output_verbose_link_cmd='echo' 412 archive_cmds='$CC -dynamiclib $allow_undefined_flag -o $lib $libobjs $deplibs$compiler_flags -install_name $rpath/$soname $verstring' 413 module_cmds='$CC $allow_undefined_flag -o $lib -bundle $libobjs $deplibs$compiler_flags' 414 # Don't fix this by using the ld -exported_symbols_list flag, 415 # it doesn't exist in older darwin ld's 416 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}' 417 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}' 418 hardcode_direct=no 419 hardcode_automatic=yes 420 hardcode_shlibpath_var=unsupported 421 whole_archive_flag_spec='-all_load $convenience' 422 link_all_deplibs=yes 423 ;; 424 425 freebsd1*) 426 ld_shlibs=no 427 ;; 428 429 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor 430 # support. Future versions do this automatically, but an explicit c++rt0.o 431 # does not break anything, and helps significantly (at the cost of a little 432 # extra space). 433 freebsd2.2*) 434 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' 435 hardcode_libdir_flag_spec='-R$libdir' 436 hardcode_direct=yes 437 hardcode_shlibpath_var=no 438 ;; 439 440 # Unfortunately, older versions of FreeBSD 2 do not have this feature. 441 freebsd2*) 442 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' 443 hardcode_direct=yes 444 hardcode_minus_L=yes 445 hardcode_shlibpath_var=no 446 ;; 447 448 # FreeBSD 3 and greater uses gcc -shared to do shared libraries. 449 freebsd* | kfreebsd*-gnu) 450 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags' 451 hardcode_libdir_flag_spec='-R$libdir' 452 hardcode_direct=yes 453 hardcode_shlibpath_var=no 454 ;; 455 456 hpux9* | hpux10* | hpux11*) 457 case "$host_cpu" in 458 ia64*) 459 hardcode_direct=no 460 hardcode_shlibpath_var=no 461 archive_cmds='$LD -b +h $soname -o $lib $libobjs $deplibs $linker_flags' 462 hardcode_libdir_flag_spec='-L$libdir' ;; 463 *) 464 if test $with_gcc = yes; then 465 case "$host_os" in 466 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 $lib' ;; 467 *) archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; 468 esac 469 else 470 case $host_os in 471 hpux9*) archive_cmds='$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 $lib' ;; 472 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;; 473 esac 474 fi 475 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' 476 hardcode_libdir_separator=: 477 hardcode_minus_L=yes # Not in the search PATH, but as the default 478 # location of the library. 479 ;; 480 esac 481 export_dynamic_flag_spec='${wl}-E' 482 hardcode_direct=yes 483 ;; 484 485 irix5* | irix6*) 486 if test "$with_gcc" = yes; then 487 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 $lib' 488 else 489 archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 490 fi 491 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 492 hardcode_libdir_separator=: 493 link_all_deplibs=yes 494 ;; 495 496 netbsd* | knetbsd*-gnu) 497 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then 498 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out 499 else 500 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF 501 fi 502 hardcode_libdir_flag_spec='-R$libdir' 503 hardcode_direct=yes 504 hardcode_shlibpath_var=no 505 ;; 506 507 newsos6) 508 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' 509 hardcode_direct=yes 510 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 511 hardcode_libdir_separator=: 512 hardcode_shlibpath_var=no 513 ;; 514 515 openbsd*) 516 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' 517 hardcode_libdir_flag_spec='-R$libdir' 518 hardcode_direct=yes 519 hardcode_shlibpath_var=no 520 ;; 521 522 os2*) 523 hardcode_libdir_flag_spec='-L$libdir' 524 hardcode_minus_L=yes 525 allow_undefined_flag=unsupported 526 archive_cmds='$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' 527 old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' 528 ;; 529 530 osf3*) 531 if test "$with_gcc" = yes; then 532 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 533 archive_cmds='$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 $lib' 534 else 535 allow_undefined_flag=' -expect_unresolved \*' 536 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 537 fi 538 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 539 hardcode_libdir_separator=: 540 ;; 541 542 osf4* | osf5*) # as osf3* with the addition of -msym flag 543 if test "$with_gcc" = yes; then 544 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 545 archive_cmds='$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 $lib' 546 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 547 else 548 allow_undefined_flag=' -expect_unresolved \*' 549 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' 550 archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~ 551 $LD -shared${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' 552 553 # cc supports -rpath directly 554 hardcode_libdir_flag_spec='-rpath $libdir' 555 fi 556 hardcode_libdir_separator=: 557 ;; 558 559 sco3.2v5*) 560 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 561 hardcode_shlibpath_var=no 562 runpath_var=LD_RUN_PATH 563 hardcode_runpath_var=yes 564 ;; 565 566 solaris*) 567 no_undefined_flag=' -z defs' 568 if test "$with_gcc" = yes; then 569 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' 570 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 571 $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp' 572 else 573 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' 574 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 575 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' 576 fi 577 hardcode_libdir_flag_spec='-R$libdir' 578 hardcode_shlibpath_var=no 579 case $host_os in 580 solaris2.[0-5] | solaris2.[0-5].*) ;; 581 *) # Supported since Solaris 2.6 (maybe 2.5.1?) 582 whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;; 583 esac 584 link_all_deplibs=yes 585 ;; 586 587 sunos4*) 588 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' 589 hardcode_libdir_flag_spec='-L$libdir' 590 hardcode_direct=yes 591 hardcode_minus_L=yes 592 hardcode_shlibpath_var=no 593 ;; 594 595 sysv4) 596 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 597 runpath_var='LD_RUN_PATH' 598 hardcode_shlibpath_var=no 599 hardcode_direct=no #Motorola manual says yes, but my tests say they lie 600 ;; 601 602 sysv4.3*) 603 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 604 hardcode_shlibpath_var=no 605 export_dynamic_flag_spec='-Bexport' 606 ;; 607 608 sysv5*) 609 no_undefined_flag=' -z text' 610 # $CC -shared without GNU ld will not create a library from C++ 611 # object files and a static libstdc++, better avoid it by now 612 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' 613 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 614 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' 615 hardcode_libdir_flag_spec= 616 hardcode_shlibpath_var=no 617 runpath_var='LD_RUN_PATH' 618 ;; 619 620 uts4*) 621 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 622 hardcode_libdir_flag_spec='-L$libdir' 623 hardcode_shlibpath_var=no 624 ;; 625 626 dgux*) 627 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 628 hardcode_libdir_flag_spec='-L$libdir' 629 hardcode_shlibpath_var=no 630 ;; 631 632 sysv4*MP*) 633 if test -d /usr/nec; then 634 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 635 hardcode_shlibpath_var=no 636 runpath_var=LD_RUN_PATH 637 hardcode_runpath_var=yes 638 ld_shlibs=yes 639 fi 640 ;; 641 642 sysv4.2uw2*) 643 archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' 644 hardcode_direct=yes 645 hardcode_minus_L=no 646 hardcode_shlibpath_var=no 647 hardcode_runpath_var=yes 648 runpath_var=LD_RUN_PATH 649 ;; 650 651 sysv5uw7* | unixware7*) 652 no_undefined_flag='${wl}-z ${wl}text' 653 if test "$GCC" = yes; then 654 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' 655 else 656 archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' 657 fi 658 runpath_var='LD_RUN_PATH' 659 hardcode_shlibpath_var=no 660 ;; 661 662 *) 663 ld_shlibs=no 664 ;; 665 esac 666fi 667 668## Compiler Characteristics: PIC flags, static flags, etc 669if test "X${ac_cv_prog_cc_pic+set}" = Xset; then 670 : 671else 672 ac_cv_prog_cc_pic= 673 ac_cv_prog_cc_shlib= 674 ac_cv_prog_cc_wl= 675 ac_cv_prog_cc_static= 676 ac_cv_prog_cc_no_builtin= 677 ac_cv_prog_cc_can_build_shared=$can_build_shared 678 679 if test "$with_gcc" = yes; then 680 ac_cv_prog_cc_wl='-Wl,' 681 ac_cv_prog_cc_static='-static' 682 683 case $host_os in 684 aix*) 685 # All AIX code is PIC. 686 if test "$host_cpu" = ia64; then 687 # AIX 5 now supports IA64 processor 688 lt_cv_prog_cc_static='-Bstatic' 689 else 690 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' 691 fi 692 ;; 693 amigaos*) 694 # FIXME: we need at least 68020 code to build shared libraries, but 695 # adding the `-m68020' flag to GCC prevents building anything better, 696 # like `-m68040'. 697 ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' 698 ;; 699 beos* | irix5* | irix6* | osf3* | osf4* | osf5*) 700 # PIC is the default for these OSes. 701 ;; 702 cygwin* | mingw* | os2*) 703 # This hack is so that the source file can tell whether it is being 704 # built for inclusion in a dll (and should export symbols for example). 705 ac_cv_prog_cc_pic='-DDLL_EXPORT' 706 ;; 707 darwin* | rhapsody*) 708 # PIC is the default on this platform 709 # Common symbols not allowed in MH_DYLIB files 710 ac_cv_prog_cc_pic='-fno-common' 711 ;; 712 *djgpp*) 713 # DJGPP does not support shared libraries at all 714 ac_cv_prog_cc_pic= 715 ;; 716 sysv4*MP*) 717 if test -d /usr/nec; then 718 ac_cv_prog_cc_pic=-Kconform_pic 719 fi 720 ;; 721 *) 722 ac_cv_prog_cc_pic='-fPIC' 723 ;; 724 esac 725 else 726 # PORTME Check for PIC flags for the system compiler. 727 case $host_os in 728 aix*) 729 # All AIX code is PIC. 730 ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC" 731 ;; 732 733 hpux9* | hpux10* | hpux11*) 734 # Is there a better ac_cv_prog_cc_static that works with the bundled CC? 735 ac_cv_prog_cc_wl='-Wl,' 736 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" 737 ac_cv_prog_cc_pic='+Z' 738 ;; 739 740 irix5* | irix6*) 741 ac_cv_prog_cc_wl='-Wl,' 742 ac_cv_prog_cc_static='-non_shared' 743 # PIC (with -KPIC) is the default. 744 ;; 745 746 cygwin* | mingw* | os2*) 747 # This hack is so that the source file can tell whether it is being 748 # built for inclusion in a dll (and should export symbols for example). 749 ac_cv_prog_cc_pic='-DDLL_EXPORT' 750 ;; 751 752 newsos6) 753 ac_cv_prog_cc_pic='-KPIC' 754 ac_cv_prog_cc_static='-Bstatic' 755 ;; 756 757 osf3* | osf4* | osf5*) 758 # All OSF/1 code is PIC. 759 ac_cv_prog_cc_wl='-Wl,' 760 ac_cv_prog_cc_static='-non_shared' 761 ;; 762 763 sco3.2v5*) 764 ac_cv_prog_cc_pic='-Kpic' 765 ac_cv_prog_cc_static='-dn' 766 ac_cv_prog_cc_shlib='-belf' 767 ;; 768 769 solaris*) 770 ac_cv_prog_cc_pic='-KPIC' 771 ac_cv_prog_cc_static='-Bstatic' 772 ac_cv_prog_cc_wl='-Wl,' 773 ;; 774 775 sunos4*) 776 ac_cv_prog_cc_pic='-PIC' 777 ac_cv_prog_cc_static='-Bstatic' 778 ac_cv_prog_cc_wl='-Qoption ld ' 779 ;; 780 781 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) 782 ac_cv_prog_cc_pic='-KPIC' 783 ac_cv_prog_cc_static='-Bstatic' 784 ac_cv_prog_cc_wl='-Wl,' 785 ;; 786 787 uts4*) 788 ac_cv_prog_cc_pic='-pic' 789 ac_cv_prog_cc_static='-Bstatic' 790 ;; 791 792 sysv4*MP*) 793 if test -d /usr/nec ;then 794 ac_cv_prog_cc_pic='-Kconform_pic' 795 ac_cv_prog_cc_static='-Bstatic' 796 fi 797 ;; 798 799 *) 800 ac_cv_prog_cc_can_build_shared=no 801 ;; 802 esac 803 fi 804 case "$host_os" in 805 # Platforms which do not suport PIC and -DPIC is meaningless 806 # on them: 807 *djgpp*) 808 ac_cv_prog_cc_pic= 809 ;; 810 *) 811 ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC" 812 ;; 813 esac 814fi 815 816need_lc=yes 817if test "$enable_shared" = yes && test "$with_gcc" = yes; then 818 case $archive_cmds in 819 *'~'*) 820 # FIXME: we may have to deal with multi-command sequences. 821 ;; 822 '$CC '*) 823 # Test whether the compiler implicitly links with -lc since on some 824 # systems, -lgcc has to come before -lc. If gcc already passes -lc 825 # to ld, don't add -lc before -lgcc. 826 echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6 827 if eval "test \"`echo '$''{'ac_cv_archive_cmds_needs_lc'+set}'`\" = set"; then 828 echo $ac_n "(cached) $ac_c" 1>&6 829 need_lc=$ac_cv_archive_cmds_needs_lc 830 else 831 $rm conftest* 832 echo "static int dummy;" > conftest.$ac_ext 833 if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then 834 # Append any warnings to the config.log. 835 cat conftest.err 1>&5 836 soname=conftest 837 lib=conftest 838 libobjs=conftest.$objext 839 deplibs= 840 wl=$ac_cv_prog_cc_wl 841 compiler_flags=-v 842 linker_flags=-v 843 verstring= 844 output_objdir=. 845 libname=conftest 846 save_allow_undefined_flag=$allow_undefined_flag 847 allow_undefined_flag= 848 if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then 849 need_lc=no 850 fi 851 allow_undefined_flag=$save_allow_undefined_flag 852 else 853 cat conftest.err 1>&5 854 fi 855 fi 856 $rm conftest* 857 echo "$ac_t$need_lc" 1>&6 858 ;; 859 esac 860fi 861ac_cv_archive_cmds_needs_lc=$need_lc 862