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