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 $lib' 96 else 97 ld_shlibs=no 98 fi 99 ;; 100 101 haiku*) 102 allow_undefined_flag=unsupported 103 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 104 ;; 105 106 cygwin* | mingw*) 107 # hardcode_libdir_flag_spec is actually meaningless, as there is 108 # no search path for DLLs. 109 hardcode_libdir_flag_spec='-L$libdir' 110 allow_undefined_flag=unsupported 111 always_export_symbols=yes 112 113 extract_expsyms_cmds='test -f $output_objdir/impgen.c || \ 114 sed -e "/^# \/\* impgen\.c starts here \*\//,/^# \/\* impgen.c ends here \*\// { s/^# //; p; }" -e d < $0 > $output_objdir/impgen.c~ 115 test -f $output_objdir/impgen.exe || (cd $output_objdir && \ 116 if test "x$BUILD_CC" != "x" ; then $BUILD_CC -o impgen impgen.c ; \ 117 else $CC -o impgen impgen.c ; fi)~ 118 $output_objdir/impgen $dir/$soroot > $output_objdir/$soname-def' 119 120 old_archive_from_expsyms_cmds='$DLLTOOL --as=$AS --dllname $soname --def $output_objdir/$soname-def --output-lib $output_objdir/$newlib' 121 122 # cygwin and mingw dlls have different entry points and sets of symbols 123 # to exclude. 124 # FIXME: what about values for MSVC? 125 dll_entry=__cygwin_dll_entry@12 126 dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12~ 127 case $host_os in 128 mingw*) 129 # mingw values 130 dll_entry=_DllMainCRTStartup@12 131 dll_exclude_symbols=DllMain@12,DllMainCRTStartup@12,DllEntryPoint@12~ 132 ;; 133 esac 134 135 # mingw and cygwin differ, and it's simplest to just exclude the union 136 # of the two symbol sets. 137 dll_exclude_symbols=DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12,DllMainCRTStartup@12,DllEntryPoint@12 138 139 # recent cygwin and mingw systems supply a stub DllMain which the user 140 # can override, but on older systems we have to supply one (in ltdll.c) 141 if test "x$lt_cv_need_dllmain" = "xyes"; then 142 ltdll_obj='$output_objdir/$soname-ltdll.'"$objext " 143 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~ 144 test -f $output_objdir/$soname-ltdll.$objext || (cd $output_objdir && $CC -c $soname-ltdll.c)~' 145 else 146 ltdll_obj= 147 ltdll_cmds= 148 fi 149 150 # Extract the symbol export list from an `--export-all' def file, 151 # then regenerate the def file from the symbol export list, so that 152 # the compiled dll only exports the symbol export list. 153 # Be careful not to strip the DATA tag left be newer dlltools. 154 export_symbols_cmds="$ltdll_cmds"' 155 $DLLTOOL --export-all --exclude-symbols '$dll_exclude_symbols' --output-def $output_objdir/$soname-def '$ltdll_obj'$libobjs $convenience~ 156 sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $output_objdir/$soname-def > $export_symbols' 157 158 # If the export-symbols file already is a .def file (1st line 159 # is EXPORTS), use it as is. 160 # If DATA tags from a recent dlltool are present, honour them! 161 archive_expsym_cmds='if test "x`head -1 $export_symbols`" = xEXPORTS; then 162 cp $export_symbols $output_objdir/$soname-def; 163 else 164 echo EXPORTS > $output_objdir/$soname-def; 165 _lt_hint=1; 166 cat $export_symbols | while read symbol; do 167 set dummy \$symbol; 168 case \[$]# in 169 2) echo " \[$]2 @ \$_lt_hint ; " >> $output_objdir/$soname-def;; 170 *) echo " \[$]2 @ \$_lt_hint \[$]3 ; " >> $output_objdir/$soname-def;; 171 esac; 172 _lt_hint=`expr 1 + \$_lt_hint`; 173 done; 174 fi~ 175 '"$ltdll_cmds"' 176 $CC -Wl,--base-file,$output_objdir/$soname-base '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags~ 177 $DLLTOOL --as=$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~ 178 $CC -Wl,--base-file,$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~ 179 $DLLTOOL --as=$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~ 180 $CC $output_objdir/$soname-exp '$lt_cv_cc_dll_switch' -Wl,-e,'$dll_entry' -o $output_objdir/$soname '$ltdll_obj'$libobjs $deplibs $compiler_flags' 181 ;; 182 183 darwin* | rhapsody*) 184 allow_undefined_flag='-undefined suppress' 185 archive_cmds='$CC `test .$module = .yes && echo -bundle || echo -dynamiclib` $allow_undefined_flag -o $lib $libobjs $deplibs $linkopts -install_name $rpath/$soname `test -n "$verstring" -a x$verstring != x0.0 && echo $verstring`' 186 # We need to add '_' to the symbols in $export_symbols first 187 #archive_expsym_cmds="$archive_cmds"' && strip -s $export_symbols' 188 hardcode_direct=yes 189 hardcode_shlibpath_var=no 190 whole_archive_flag_spec='-all_load $convenience' 191 ;; 192 193 netbsd* | knetbsd*-gnu) 194 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then 195 archive_cmds='$LD -Bshareable $libobjs $deplibs $linker_flags -o $lib' 196 wlarc= 197 else 198 archive_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 199 archive_expsym_cmds='$CC -shared -nodefaultlibs $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 200 fi 201 ;; 202 203 solaris* | sysv5*) 204 if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then 205 ld_shlibs=no 206 cat <<EOF 1>&2 207 208*** Warning: The releases 2.8.* of the GNU linker cannot reliably 209*** create shared libraries on Solaris systems. Therefore, libtool 210*** is disabling shared libraries support. We urge you to upgrade GNU 211*** binutils to release 2.9.1 or newer. Another option is to modify 212*** your PATH or compiler configuration so that the native linker is 213*** used, and then restart. 214 215EOF 216 elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then 217 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 218 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 219 else 220 ld_shlibs=no 221 fi 222 ;; 223 224 sunos4*) 225 archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linker_flags' 226 wlarc= 227 hardcode_direct=yes 228 hardcode_shlibpath_var=no 229 ;; 230 231 tpf*) 232 ld_shlibs=yes 233 ;; 234 235 *) 236 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then 237 archive_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname -o $lib' 238 archive_expsym_cmds='$CC -shared $libobjs $deplibs $compiler_flags ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' 239 else 240 ld_shlibs=no 241 fi 242 ;; 243 esac 244 245 if test "$ld_shlibs" = yes; then 246 runpath_var=LD_RUN_PATH 247 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' 248 export_dynamic_flag_spec='${wl}--export-dynamic' 249 case $host_os in 250 cygwin* | mingw*) 251 # dlltool doesn't understand --whole-archive et. al. 252 whole_archive_flag_spec= 253 ;; 254 *) 255 # ancient GNU ld didn't support --whole-archive et. al. 256 if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then 257 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' 258 else 259 whole_archive_flag_spec= 260 fi 261 ;; 262 esac 263 fi 264else 265 # PORTME fill in a description of your system's linker (not GNU ld) 266 case $host_os in 267 aix3*) 268 allow_undefined_flag=unsupported 269 always_export_symbols=yes 270 archive_expsym_cmds='$LD -o $output_objdir/$soname $libobjs $deplibs $linker_flags -bE:$export_symbols -T512 -H512 -bM:SRE~$AR $AR_FLAGS $lib $output_objdir/$soname' 271 # Note: this linker hardcodes the directories in LIBPATH if there 272 # are no directories specified by -L. 273 hardcode_minus_L=yes 274 if test "$with_gcc" = yes && test -z "$link_static_flag"; then 275 # Neither direct hardcoding nor static linking is supported with a 276 # broken collect2. 277 hardcode_direct=unsupported 278 fi 279 ;; 280 281 aix4* | aix5*) 282 hardcode_direct=yes 283 hardcode_libdir_separator=':' 284 link_all_deplibs=yes 285 # When large executables or shared objects are built, AIX ld can 286 # have problems creating the table of contents. If linking a library 287 # or program results in "error TOC overflow" add -mminimal-toc to 288 # CXXFLAGS/CFLAGS for g++/gcc. In the cases where that is not 289 # enough to fix the problem, add -Wl,-bbigtoc to LDFLAGS. 290 if test "$with_gcc" = yes; then 291 case $host_os in aix4.[012]|aix4.[012].*) 292 # We only want to do this on AIX 4.2 and lower, the check 293 # below for broken collect2 doesn't work under 4.3+ 294 collect2name=`${CC} -print-prog-name=collect2` 295 if test -f "$collect2name" && \ 296 strings "$collect2name" | grep resolve_lib_name >/dev/null 297 then 298 # We have reworked collect2 299 hardcode_direct=yes 300 else 301 # We have old collect2 302 hardcode_direct=unsupported 303 # It fails to find uninstalled libraries when the uninstalled 304 # path is not listed in the libpath. Setting hardcode_minus_L 305 # to unsupported forces relinking 306 hardcode_minus_L=yes 307 hardcode_libdir_flag_spec='-L$libdir' 308 hardcode_libdir_separator= 309 fi 310 esac 311 shared_flag='-shared' 312 else 313 # not using gcc 314 if test "$host_cpu" = ia64; then 315 shared_flag='${wl}-G' 316 else 317 shared_flag='${wl}-bM:SRE' 318 fi 319 fi 320 321 if test "$host_cpu" = ia64; then 322 # On IA64, the linker does run time linking by default, so we don't 323 # have to do anything special. 324 aix_use_runtimelinking=no 325 if test $with_gnu_ld = no; then 326 exp_sym_flag='-Bexport' 327 no_entry_flag="" 328 fi 329 else 330 # Test if we are trying to use run time linking, or normal AIX style linking. 331 # If -brtl is somewhere in LDFLAGS, we need to do run time linking. 332 aix_use_runtimelinking=no 333 for ld_flag in $LDFLAGS; do 334 if (test $ld_flag = "-brtl" || test $ld_flag = "-Wl,-brtl" ); then 335 aix_use_runtimelinking=yes 336 break 337 fi 338 done 339 exp_sym_flag='-bexport' 340 no_entry_flag='-bnoentry' 341 fi 342 # -bexpall does not export symbols beginning with underscore (_) 343 always_export_symbols=yes 344 if test "$aix_use_runtimelinking" = yes; then 345 # Warning - without using the other run time loading flags (-brtl), -berok will 346 # link without error, but may produce a broken library. 347 allow_undefined_flag=' ${wl}-berok' 348 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' 349 archive_expsym_cmds="\$CC $shared_flag"' -o $output_objdir/$soname $libobjs $deplibs $compiler_flags ${allow_undefined_flag} '"\${wl}$no_entry_flag \${wl}$exp_sym_flag:\$export_symbols" 350 else 351 if test "$host_cpu" = ia64; then 352 if test $with_gnu_ld = no; then 353 hardcode_libdir_flag_spec='${wl}-R $libdir:/usr/lib:/lib' 354 allow_undefined_flag="-z nodefs" 355 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" 356 fi 357 else 358 allow_undefined_flag=' ${wl}-berok' 359 # -bexpall does not export symbols beginning with underscore (_) 360 always_export_symbols=yes 361 # Exported symbols can be pulled into shared objects from archives 362 whole_archive_flag_spec=' ' 363 build_libtool_need_lc=yes 364 hardcode_libdir_flag_spec='${wl}-blibpath:$libdir:/usr/lib:/lib' 365 # This is similar to how AIX traditionally builds it's shared libraries. 366 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' 367 fi 368 fi 369 ;; 370 371 amigaos*) 372 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 $output_objdir && a2ixlibrary -32)' 373 hardcode_libdir_flag_spec='-L$libdir' 374 hardcode_minus_L=yes 375 # see comment about different semantics on the GNU ld section 376 ld_shlibs=no 377 ;; 378 379 cygwin* | mingw*) 380 # When not using gcc, we currently assume that we are using 381 # Microsoft Visual C++. 382 # hardcode_libdir_flag_spec is actually meaningless, as there is 383 # no search path for DLLs. 384 hardcode_libdir_flag_spec=' ' 385 allow_undefined_flag=unsupported 386 # Tell ltmain to make .lib files, not .a files. 387 libext=lib 388 # FIXME: Setting linknames here is a bad hack. 389 archive_cmds='$CC -o $lib $libobjs $compiler_flags `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames=' 390 # The linker will automatically build a .lib file if we build a DLL. 391 old_archive_from_new_cmds='true' 392 # FIXME: Should let the user specify the lib program. 393 old_archive_cmds='lib /OUT:$oldlib$oldobjs$old_deplibs' 394 fix_srcfile_path='`cygpath -w "$srcfile"`' 395 ;; 396 397 freebsd1*) 398 ld_shlibs=no 399 ;; 400 401 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor 402 # support. Future versions do this automatically, but an explicit c++rt0.o 403 # does not break anything, and helps significantly (at the cost of a little 404 # extra space). 405 freebsd2.2*) 406 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags /usr/lib/c++rt0.o' 407 hardcode_libdir_flag_spec='-R$libdir' 408 hardcode_direct=yes 409 hardcode_shlibpath_var=no 410 ;; 411 412 # Unfortunately, older versions of FreeBSD 2 do not have this feature. 413 freebsd2*) 414 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' 415 hardcode_direct=yes 416 hardcode_minus_L=yes 417 hardcode_shlibpath_var=no 418 ;; 419 420 # FreeBSD 3 and greater uses gcc -shared to do shared libraries. 421 freebsd* | kfreebsd*-gnu) 422 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $compiler_flags' 423 hardcode_libdir_flag_spec='-R$libdir' 424 hardcode_direct=yes 425 hardcode_shlibpath_var=no 426 ;; 427 428 hpux9* | hpux10* | hpux11*) 429 case "$host_cpu" in 430 ia64*) 431 hardcode_direct=no 432 hardcode_shlibpath_var=no 433 archive_cmds='$LD -b +h $soname -o $lib $libobjs $deplibs $linker_flags' 434 hardcode_libdir_flag_spec='-L$libdir' ;; 435 *) 436 if test $with_gcc = yes; then 437 case "$host_os" in 438 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 $lib' ;; 439 *) archive_cmds='$CC -shared -fPIC ${wl}+h ${wl}$soname ${wl}+b ${wl}$install_libdir -o $lib $libobjs $deplibs $compiler_flags' ;; 440 esac 441 else 442 case $host_os in 443 hpux9*) archive_cmds='$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 $lib' ;; 444 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linker_flags' ;; 445 esac 446 fi 447 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' 448 hardcode_libdir_separator=: 449 hardcode_minus_L=yes # Not in the search PATH, but as the default 450 # location of the library. 451 ;; 452 esac 453 export_dynamic_flag_spec='${wl}-E' 454 hardcode_direct=yes 455 ;; 456 457 irix5* | irix6*) 458 if test "$with_gcc" = yes; then 459 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 $lib' 460 else 461 archive_cmds='$LD -shared $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 462 fi 463 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 464 hardcode_libdir_separator=: 465 link_all_deplibs=yes 466 ;; 467 468 netbsd* | knetbsd*-gnu) 469 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then 470 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' # a.out 471 else 472 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linker_flags' # ELF 473 fi 474 hardcode_libdir_flag_spec='-R$libdir' 475 hardcode_direct=yes 476 hardcode_shlibpath_var=no 477 ;; 478 479 newsos6) 480 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' 481 hardcode_direct=yes 482 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 483 hardcode_libdir_separator=: 484 hardcode_shlibpath_var=no 485 ;; 486 487 openbsd*) 488 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linker_flags' 489 hardcode_libdir_flag_spec='-R$libdir' 490 hardcode_direct=yes 491 hardcode_shlibpath_var=no 492 ;; 493 494 os2*) 495 hardcode_libdir_flag_spec='-L$libdir' 496 hardcode_minus_L=yes 497 allow_undefined_flag=unsupported 498 archive_cmds='$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' 499 old_archive_from_new_cmds='emximp -o $output_objdir/$libname.a $output_objdir/$libname.def' 500 ;; 501 502 osf3*) 503 if test "$with_gcc" = yes; then 504 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 505 archive_cmds='$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 $lib' 506 else 507 allow_undefined_flag=' -expect_unresolved \*' 508 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linker_flags -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' 509 fi 510 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 511 hardcode_libdir_separator=: 512 ;; 513 514 osf4* | osf5*) # as osf3* with the addition of -msym flag 515 if test "$with_gcc" = yes; then 516 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' 517 archive_cmds='$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 $lib' 518 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' 519 else 520 allow_undefined_flag=' -expect_unresolved \*' 521 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' 522 archive_expsym_cmds='for i in `cat $export_symbols`; do printf "-exported_symbol " >> $lib.exp; echo "\$i" >> $lib.exp; done; echo "-hidden">> $lib.exp~ 523 $LD -shared${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' 524 525 # cc supports -rpath directly 526 hardcode_libdir_flag_spec='-rpath $libdir' 527 fi 528 hardcode_libdir_separator=: 529 ;; 530 531 sco3.2v5*) 532 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 533 hardcode_shlibpath_var=no 534 runpath_var=LD_RUN_PATH 535 hardcode_runpath_var=yes 536 ;; 537 538 solaris*) 539 no_undefined_flag=' -z defs' 540 if test "$with_gcc" = yes; then 541 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' 542 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 543 $CC -shared ${wl}-M ${wl}$lib.exp ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags~$rm $lib.exp' 544 else 545 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' 546 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 547 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' 548 fi 549 hardcode_libdir_flag_spec='-R$libdir' 550 hardcode_shlibpath_var=no 551 case $host_os in 552 solaris2.[0-5] | solaris2.[0-5].*) ;; 553 *) # Supported since Solaris 2.6 (maybe 2.5.1?) 554 whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;; 555 esac 556 link_all_deplibs=yes 557 ;; 558 559 sunos4*) 560 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linker_flags' 561 hardcode_libdir_flag_spec='-L$libdir' 562 hardcode_direct=yes 563 hardcode_minus_L=yes 564 hardcode_shlibpath_var=no 565 ;; 566 567 sysv4) 568 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 569 runpath_var='LD_RUN_PATH' 570 hardcode_shlibpath_var=no 571 hardcode_direct=no #Motorola manual says yes, but my tests say they lie 572 ;; 573 574 sysv4.3*) 575 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 576 hardcode_shlibpath_var=no 577 export_dynamic_flag_spec='-Bexport' 578 ;; 579 580 sysv5*) 581 no_undefined_flag=' -z text' 582 # $CC -shared without GNU ld will not create a library from C++ 583 # object files and a static libstdc++, better avoid it by now 584 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linker_flags' 585 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ 586 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linker_flags~$rm $lib.exp' 587 hardcode_libdir_flag_spec= 588 hardcode_shlibpath_var=no 589 runpath_var='LD_RUN_PATH' 590 ;; 591 592 uts4*) 593 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 594 hardcode_libdir_flag_spec='-L$libdir' 595 hardcode_shlibpath_var=no 596 ;; 597 598 dgux*) 599 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 600 hardcode_libdir_flag_spec='-L$libdir' 601 hardcode_shlibpath_var=no 602 ;; 603 604 sysv4*MP*) 605 if test -d /usr/nec; then 606 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linker_flags' 607 hardcode_shlibpath_var=no 608 runpath_var=LD_RUN_PATH 609 hardcode_runpath_var=yes 610 ld_shlibs=yes 611 fi 612 ;; 613 614 sysv4.2uw2*) 615 archive_cmds='$LD -G -o $lib $libobjs $deplibs $linker_flags' 616 hardcode_direct=yes 617 hardcode_minus_L=no 618 hardcode_shlibpath_var=no 619 hardcode_runpath_var=yes 620 runpath_var=LD_RUN_PATH 621 ;; 622 623 sysv5uw7* | unixware7*) 624 no_undefined_flag='${wl}-z ${wl}text' 625 if test "$GCC" = yes; then 626 archive_cmds='$CC -shared ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' 627 else 628 archive_cmds='$CC -G ${wl}-h ${wl}$soname -o $lib $libobjs $deplibs $compiler_flags' 629 fi 630 runpath_var='LD_RUN_PATH' 631 hardcode_shlibpath_var=no 632 ;; 633 634 *) 635 ld_shlibs=no 636 ;; 637 esac 638fi 639 640## Compiler Characteristics: PIC flags, static flags, etc 641if test "X${ac_cv_prog_cc_pic+set}" = Xset; then 642 : 643else 644 ac_cv_prog_cc_pic= 645 ac_cv_prog_cc_shlib= 646 ac_cv_prog_cc_wl= 647 ac_cv_prog_cc_static= 648 ac_cv_prog_cc_no_builtin= 649 ac_cv_prog_cc_can_build_shared=$can_build_shared 650 651 if test "$with_gcc" = yes; then 652 ac_cv_prog_cc_wl='-Wl,' 653 ac_cv_prog_cc_static='-static' 654 655 case $host_os in 656 aix*) 657 # All AIX code is PIC. 658 if test "$host_cpu" = ia64; then 659 # AIX 5 now supports IA64 processor 660 lt_cv_prog_cc_static='-Bstatic' 661 else 662 lt_cv_prog_cc_static='-bnso -bI:/lib/syscalls.exp' 663 fi 664 ;; 665 amigaos*) 666 # FIXME: we need at least 68020 code to build shared libraries, but 667 # adding the `-m68020' flag to GCC prevents building anything better, 668 # like `-m68040'. 669 ac_cv_prog_cc_pic='-m68020 -resident32 -malways-restore-a4' 670 ;; 671 beos* | irix5* | irix6* | osf3* | osf4* | osf5* | haiku*) 672 # PIC is the default for these OSes. 673 ;; 674 cygwin* | mingw* | os2*) 675 # This hack is so that the source file can tell whether it is being 676 # built for inclusion in a dll (and should export symbols for example). 677 ac_cv_prog_cc_pic='-DDLL_EXPORT' 678 ;; 679 darwin* | rhapsody*) 680 # PIC is the default on this platform 681 # Common symbols not allowed in MH_DYLIB files 682 lt_cv_prog_cc_pic='-fno-common' 683 ;; 684 *djgpp*) 685 # DJGPP does not support shared libraries at all 686 ac_cv_prog_cc_pic= 687 ;; 688 sysv4*MP*) 689 if test -d /usr/nec; then 690 ac_cv_prog_cc_pic=-Kconform_pic 691 fi 692 ;; 693 *) 694 ac_cv_prog_cc_pic='-fPIC' 695 ;; 696 esac 697 else 698 # PORTME Check for PIC flags for the system compiler. 699 case $host_os in 700 aix*) 701 # All AIX code is PIC. 702 ac_cv_prog_cc_static="$ac_cv_prog_cc_static ${ac_cv_prog_cc_wl}-lC" 703 ;; 704 705 hpux9* | hpux10* | hpux11*) 706 # Is there a better ac_cv_prog_cc_static that works with the bundled CC? 707 ac_cv_prog_cc_wl='-Wl,' 708 ac_cv_prog_cc_static="${ac_cv_prog_cc_wl}-a ${ac_cv_prog_cc_wl}archive" 709 ac_cv_prog_cc_pic='+Z' 710 ;; 711 712 irix5* | irix6*) 713 ac_cv_prog_cc_wl='-Wl,' 714 ac_cv_prog_cc_static='-non_shared' 715 # PIC (with -KPIC) is the default. 716 ;; 717 718 cygwin* | mingw* | os2*) 719 # This hack is so that the source file can tell whether it is being 720 # built for inclusion in a dll (and should export symbols for example). 721 ac_cv_prog_cc_pic='-DDLL_EXPORT' 722 ;; 723 724 newsos6) 725 ac_cv_prog_cc_pic='-KPIC' 726 ac_cv_prog_cc_static='-Bstatic' 727 ;; 728 729 osf3* | osf4* | osf5*) 730 # All OSF/1 code is PIC. 731 ac_cv_prog_cc_wl='-Wl,' 732 ac_cv_prog_cc_static='-non_shared' 733 ;; 734 735 sco3.2v5*) 736 ac_cv_prog_cc_pic='-Kpic' 737 ac_cv_prog_cc_static='-dn' 738 ac_cv_prog_cc_shlib='-belf' 739 ;; 740 741 solaris*) 742 ac_cv_prog_cc_pic='-KPIC' 743 ac_cv_prog_cc_static='-Bstatic' 744 ac_cv_prog_cc_wl='-Wl,' 745 ;; 746 747 sunos4*) 748 ac_cv_prog_cc_pic='-PIC' 749 ac_cv_prog_cc_static='-Bstatic' 750 ac_cv_prog_cc_wl='-Qoption ld ' 751 ;; 752 753 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) 754 ac_cv_prog_cc_pic='-KPIC' 755 ac_cv_prog_cc_static='-Bstatic' 756 ac_cv_prog_cc_wl='-Wl,' 757 ;; 758 759 uts4*) 760 ac_cv_prog_cc_pic='-pic' 761 ac_cv_prog_cc_static='-Bstatic' 762 ;; 763 764 sysv4*MP*) 765 if test -d /usr/nec ;then 766 ac_cv_prog_cc_pic='-Kconform_pic' 767 ac_cv_prog_cc_static='-Bstatic' 768 fi 769 ;; 770 771 *) 772 ac_cv_prog_cc_can_build_shared=no 773 ;; 774 esac 775 fi 776 case "$host_os" in 777 # Platforms which do not suport PIC and -DPIC is meaningless 778 # on them: 779 *djgpp*) 780 ac_cv_prog_cc_pic= 781 ;; 782 *) 783 ac_cv_prog_cc_pic="$ac_cv_prog_cc_pic -DPIC" 784 ;; 785 esac 786fi 787 788need_lc=yes 789if test "$enable_shared" = yes && test "$with_gcc" = yes; then 790 case $archive_cmds in 791 *'~'*) 792 # FIXME: we may have to deal with multi-command sequences. 793 ;; 794 '$CC '*) 795 # Test whether the compiler implicitly links with -lc since on some 796 # systems, -lgcc has to come before -lc. If gcc already passes -lc 797 # to ld, don't add -lc before -lgcc. 798 echo $ac_n "checking whether -lc should be explicitly linked in... $ac_c" 1>&6 799 if eval "test \"`echo '$''{'ac_cv_archive_cmds_needs_lc'+set}'`\" = set"; then 800 echo $ac_n "(cached) $ac_c" 1>&6 801 need_lc=$ac_cv_archive_cmds_needs_lc 802 else 803 $rm conftest* 804 echo "static int dummy;" > conftest.$ac_ext 805 if { (eval echo ltcf-c.sh:need_lc: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then 806 # Append any warnings to the config.log. 807 cat conftest.err 1>&5 808 soname=conftest 809 lib=conftest 810 libobjs=conftest.$objext 811 deplibs= 812 wl=$ac_cv_prog_cc_wl 813 compiler_flags=-v 814 linker_flags=-v 815 verstring= 816 output_objdir=. 817 libname=conftest 818 save_allow_undefined_flag=$allow_undefined_flag 819 allow_undefined_flag= 820 if { (eval echo ltcf-c.sh:need_lc: \"$archive_cmds\") 1>&5; (eval $archive_cmds) 2>&1 | grep " -lc " 1>&5 ; }; then 821 need_lc=no 822 fi 823 allow_undefined_flag=$save_allow_undefined_flag 824 else 825 cat conftest.err 1>&5 826 fi 827 fi 828 $rm conftest* 829 echo "$ac_t$need_lc" 1>&6 830 ;; 831 esac 832fi 833ac_cv_archive_cmds_needs_lc=$need_lc 834