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