- # PORTME fill in a description of your system's linker (not GNU ld)
- case "$host_os" in
- aix3*)
- allow_undefined_flag=unsupported
- always_export_symbols=yes
- archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname'
- # Note: this linker hardcodes the directories in LIBPATH if there
- # are no directories specified by -L.
- hardcode_minus_L=yes
- if test "$with_gcc" = yes && test -z "$link_static_flag"; then
- # Neither direct hardcoding nor static linking is supported with a
- # broken collect2.
- hardcode_direct=unsupported
- fi
- ;;
-
- aix4*)
- allow_undefined_flag=
- if test "$with_gcc" = yes; then
- if strings `${CC} -print-prog-name=collect2` | \
- grep resolve_lib_name >/dev/null
- then
- # We have reworked collect2
- hardcode_direct=yes
- else
- # We have old collect2
- hardcode_direct=unsupported
- fi
- archive_cmds='$CC -shared ${wl}-bnoentry -o $objdir/$soname $libobjs $deplibs $linkopts'
- else
- always_export_symbols=yes
- archive_expsym_cmds='$CC -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bE:$export_symbols ${wl}-bM:SRE ${wl}-bnoentry'
- hardcode_direct=yes
- fi
- hardcode_minus_L=yes
- # Though LIBPATH variable hardcodes shlibpath into executable,
- # it doesn't affect searching for -l* libraries; this confuses
- # tests in mdemo.
- hardcode_shlibpath_var=unsupported
- hardcode_libdir_flag_spec='-L$libdir'
- ;;
-
- amigaos*)
- archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)'
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_minus_L=yes
- ;;
-
- cygwin* | mingw*)
- # When not using gcc, we currently assume that we are using
- # Microsoft Visual C++.
- # hardcode_libdir_flag_spec is actually meaningless, as there is
- # no search path for DLLs.
- hardcode_libdir_flag_spec=' '
- allow_undefined_flag=unsupported
- # Tell ltmain to make .lib files, not .a files.
- libext=lib
- # FIXME: Setting linknames here is a bad hack.
- archive_cmds='$CC -o $lib $libobjs $linkopts `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames='
- # The linker will automatically build a .lib file if we build a DLL.
- old_archive_from_new_cmds='true'
- # FIXME: Should let the user specify the lib program.
- old_archive_cmds='lib /OUT:$oldlib$oldobjs'
- fix_srcfile_path='`cygpath -w $srcfile`'
- ;;
-
- freebsd1*)
- ld_shlibs=no
- can_build_shared=no
- ;;
-
- # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor
- # support. Future versions do this automatically, but an explicit c++rt0.o
- # does not break anything, and helps significantly (at the cost of a little
- # extra space).
- freebsd2.2*)
- archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o'
- hardcode_libdir_flag_spec='-R$libdir'
- hardcode_direct=yes
- hardcode_minus_L=no # verified on 2.2.6
- hardcode_shlibpath_var=no
- ;;
-
- # Unfortunately, older versions of FreeBSD 2 do not have this feature.
- freebsd2*)
- archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
- hardcode_direct=yes
- hardcode_minus_L=yes
- hardcode_shlibpath_var=no
- ;;
-
- # FreeBSD 3 and greater uses gcc -shared to do shared libraries.
- freebsd*)
- archive_cmds='$CC -shared -o $lib $libobjs $deplibs $linkopts'
- hardcode_libdir_flag_spec='-R$libdir'
- hardcode_direct=yes
- hardcode_minus_L=no
- hardcode_shlibpath_var=no
- ;;
-
- hpux9*)
- archive_cmds='$rm $objdir/$soname~$LD -b +s +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linkopts~test $objdir/$soname = $lib || mv $objdir/$soname $lib'
- hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
- hardcode_direct=yes
- hardcode_minus_L=yes
- export_dynamic_flag_spec='${wl}-E'
- ;;
-
- hpux10* | hpux11*)
- archive_cmds='$LD -b +h $soname +s +b $install_libdir -o $lib $libobjs $deplibs $linkopts'
- hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir'
- hardcode_direct=yes
- hardcode_minus_L=yes
- export_dynamic_flag_spec='${wl}-E'
- ;;
-
- irix5* | irix6*)
- if test "$with_gcc" = yes; then
- archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` -o $lib'
- else
- archive_cmds='$LD -shared $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
- fi
- hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
- hardcode_libdir_separator=:
- ;;
-
- netbsd*)
- if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then
- archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' # a.out
- else
- archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts' # ELF
- fi
- hardcode_libdir_flag_spec='${wl}-R$libdir'
- hardcode_direct=yes
- hardcode_shlibpath_var=no
- ;;
-
- openbsd*)
- archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts'
- hardcode_libdir_flag_spec='-R$libdir'
- hardcode_direct=yes
- hardcode_shlibpath_var=no
- ;;
-
- os2*)
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_minus_L=yes
- allow_undefined_flag=unsupported
- archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $objdir/$libname.def~$echo DATA >> $objdir/$libname.def~$echo " SINGLE NONSHARED" >> $objdir/$libname.def~$echo EXPORTS >> $objdir/$libname.def~emxexp $libobjs >> $objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $linkopts $objdir/$libname.def'
- old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def'
- ;;
-
- osf3* | osf4*)
- if test "$with_gcc" = yes; then
- allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*'
- archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` -o $lib'
- else
- allow_undefined_flag=' -expect_unresolved \*'
- archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -o $lib'
- fi
- hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir'
- hardcode_libdir_separator=:
- ;;
-
- sco3.2v5*)
- archive_cmds='$LD -G -o $lib $libobjs $deplibs $linkopts'
- hardcode_direct=yes
- ;;
-
- solaris*)
- no_undefined_flag=' -z text'
- # $CC -shared without GNU ld will not create a library from C++
- # object files and a static libstdc++, better avoid it by now
- archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts'
- archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~
- $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp'
- hardcode_libdir_flag_spec='-R$libdir'
- hardcode_shlibpath_var=no
- ;;
-
- sunos4*)
- # Why do we need -Bstatic? To avoid inter-library dependencies, maybe...
- if test "$with_gcc" = yes; then
- # Use -fPIC here because libgcc is multilibbed
- archive_cmds='$CC -shared ${wl}-Bstatic -fPIC -o $lib $libobjs $deplibs $linkopts'
- else
- archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts'
- fi
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_direct=yes
- hardcode_minus_L=yes
- hardcode_shlibpath_var=no
- ;;
-
- sysv4.3*)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
- hardcode_direct=no
- hardcode_minus_L=no
- hardcode_shlibpath_var=no
- export_dynamic_flag_spec='-Bexport'
- ;;
-
- uts4*)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_direct=no
- hardcode_minus_L=no
- hardcode_shlibpath_var=no
- ;;
-
- dgux*)
- archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts'
- hardcode_libdir_flag_spec='-L$libdir'
- hardcode_direct=no
- hardcode_minus_L=no
- hardcode_shlibpath_var=no
- ;;
-
- *)
- ld_shlibs=no
- can_build_shared=no
- ;;
- esac
-fi
-echo "$ac_t$ld_shlibs" 1>&6
-
-if test -z "$NM"; then
- echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6
- case "$NM" in
- /* | [A-Za-z]:[/\\]*) ;; # Let the user override the test with a path.
- *)
- IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
- for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do
- test -z "$ac_dir" && ac_dir=.
- if test -f $ac_dir/nm; then
- # Check to see if the nm accepts a BSD-compat flag.
- # Adding the `sed 1q' prevents false positives on HP-UX, which says:
- # nm: unknown option "B" ignored
- if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
- NM="$ac_dir/nm -B"
- break
- elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then
- NM="$ac_dir/nm -p"
- break
- else
- NM=${NM="$ac_dir/nm"} # keep the first match, but
- continue # so that we can try to find one that supports BSD flags
- fi
- fi
- done
- IFS="$ac_save_ifs"
- test -z "$NM" && NM=nm
- ;;
- esac
- echo "$ac_t$NM" 1>&6
-fi
-
-# Check for command to grab the raw symbol name followed by C symbol from nm.
-echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6
-
-# These are sane defaults that work on at least a few old systems.
-# [They come from Ultrix. What could be older than Ultrix?!! ;)]
-
-# Character class describing NM global symbol codes.
-symcode='[BCDEGRST]'
-
-# Regexp to match symbols that can be accessed directly from C.
-sympat='\([_A-Za-z][_A-Za-z0-9]*\)'
-
-# Transform the above into a raw symbol and a C symbol.
-symxfrm='\1 \2\3 \3'
-
-# Transform an extracted symbol line into a proper C declaration
-global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'"
-
-# Define system-specific variables.
-case "$host_os" in
-aix*)
- symcode='[BCDT]'
- ;;
-cygwin* | mingw*)
- symcode='[ABCDGISTW]'
- ;;
-hpux*) # Its linker distinguishes data from code symbols
- global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'"
- ;;
-irix*)
- symcode='[BCDEGRST]'
- ;;
-solaris*)
- symcode='[BDT]'
- ;;
-esac
-
-# If we're using GNU nm, then use its standard symbol codes.
-if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then
- symcode='[ABCDGISTW]'