📄 libtool
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link_static=no # Whether the deplib will be linked statically if test -n "$library_names" && { test "$prefer_static_libs" = no || test -z "$old_library"; }; then # Link against this shared library if test "$linkmode,$pass" = "prog,link" || { test $linkmode = lib && test $hardcode_into_libs = yes; }; then # Hardcode the library path. # Skip directories that are in the system default run-time # search path. case " $sys_lib_dlsearch_path " in *" $absdir "*) ;; *) case "$compile_rpath " in *" $absdir "*) ;; *) compile_rpath="$compile_rpath $absdir" esac ;; esac case " $sys_lib_dlsearch_path " in *" $libdir "*) ;; *) case "$finalize_rpath " in *" $libdir "*) ;; *) finalize_rpath="$finalize_rpath $libdir" esac ;; esac if test $linkmode = prog; then # We need to hardcode the library path if test -n "$shlibpath_var"; then # Make sure the rpath contains only unique directories. case "$temp_rpath " in *" $dir "*) ;; *" $absdir "*) ;; *) temp_rpath="$temp_rpath $dir" ;; esac fi fi fi # $linkmode,$pass = prog,link... if test "$alldeplibs" = yes && { test "$deplibs_check_method" = pass_all || { test "$build_libtool_libs" = yes && test -n "$library_names"; }; }; then # We only need to search for static libraries continue fi if test "$installed" = no; then notinst_deplibs="$notinst_deplibs $lib" need_relink=yes fi if test -n "$old_archive_from_expsyms_cmds"; then # figure out the soname set dummy $library_names realname="$2" shift; shift libname=`eval \\$echo \"$libname_spec\"` # use dlname if we got it. it's perfectly good, no? if test -n "$dlname"; then soname="$dlname" elif test -n "$soname_spec"; then # bleh windows case $host in *cygwin*) major=`expr $current - $age` versuffix="-$major" ;; esac eval soname=\"$soname_spec\" else soname="$realname" fi # Make a new name for the extract_expsyms_cmds to use soroot="$soname" soname=`echo $soroot | sed -e 's/^.*\///'` newlib="libimp-`echo $soname | sed 's/^lib//;s/\.dll$//'`.a" # If the library has no export list, then create one now if test -f "$output_objdir/$soname-def"; then : else $show "extracting exported symbol list from \`$soname'" save_ifs="$IFS"; IFS='~' eval cmds=\"$extract_expsyms_cmds\" for cmd in $cmds; do IFS="$save_ifs" $show "$cmd" $run eval "$cmd" || exit $? done IFS="$save_ifs" fi # Create $newlib if test -f "$output_objdir/$newlib"; then :; else $show "generating import library for \`$soname'" save_ifs="$IFS"; IFS='~' eval cmds=\"$old_archive_from_expsyms_cmds\" for cmd in $cmds; do IFS="$save_ifs" $show "$cmd" $run eval "$cmd" || exit $? done IFS="$save_ifs" fi # make sure the library variables are pointing to the new library dir=$output_objdir linklib=$newlib fi # test -n $old_archive_from_expsyms_cmds if test $linkmode = prog || test "$mode" != relink; then add_shlibpath= add_dir= add= lib_linked=yes case $hardcode_action in immediate | unsupported) if test "$hardcode_direct" = no; then add="$dir/$linklib" elif test "$hardcode_minus_L" = no; then case $host in *-*-sunos*) add_shlibpath="$dir" ;; esac add_dir="-L$dir" add="-l$name" elif test "$hardcode_shlibpath_var" = no; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; relink) if test "$hardcode_direct" = yes; then add="$dir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$dir" add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then add_shlibpath="$dir" add="-l$name" else lib_linked=no fi ;; *) lib_linked=no ;; esac if test "$lib_linked" != yes; then $echo "$modename: configuration error: unsupported hardcode properties" exit 1 fi if test -n "$add_shlibpath"; then case :$compile_shlibpath: in *":$add_shlibpath:"*) ;; *) compile_shlibpath="$compile_shlibpath$add_shlibpath:" ;; esac fi if test $linkmode = prog; then test -n "$add_dir" && compile_deplibs="$add_dir $compile_deplibs" test -n "$add" && compile_deplibs="$add $compile_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" if test "$hardcode_direct" != yes && \ test "$hardcode_minus_L" != yes && \ test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;; esac fi fi fi if test $linkmode = prog || test "$mode" = relink; then add_shlibpath= add_dir= add= # Finalize command for both is simple: just hardcode it. if test "$hardcode_direct" = yes; then add="$libdir/$linklib" elif test "$hardcode_minus_L" = yes; then add_dir="-L$libdir" add="-l$name" elif test "$hardcode_shlibpath_var" = yes; then case :$finalize_shlibpath: in *":$libdir:"*) ;; *) finalize_shlibpath="$finalize_shlibpath$libdir:" ;; esac add="-l$name" else # We cannot seem to hardcode it, guess we'll fake it. if test "X$installed" = Xyes; then add_dir="-L$libdir" else add_dir="-L$DESTDIR$libdir" fi add="-l$name" fi if test $linkmode = prog; then test -n "$add_dir" && finalize_deplibs="$add_dir $finalize_deplibs" test -n "$add" && finalize_deplibs="$add $finalize_deplibs" else test -n "$add_dir" && deplibs="$add_dir $deplibs" test -n "$add" && deplibs="$add $deplibs" fi fi elif test $linkmode = prog; then if test "$alldeplibs" = yes && { test "$deplibs_check_method" = pass_all || { test "$build_libtool_libs" = yes && test -n "$library_names"; }; }; then # We only need to search for static libraries continue fi # Try to link the static library # Here we assume that one of hardcode_direct or hardcode_minus_L # is not unsupported. This is valid on all known static and # shared platforms. if test "$hardcode_direct" != unsupported; then test -n "$old_library" && linklib="$old_library" compile_deplibs="$dir/$linklib $compile_deplibs" finalize_deplibs="$dir/$linklib $finalize_deplibs" else compile_deplibs="-l$name -L$dir $compile_deplibs" finalize_deplibs="-l$name -L$dir $finalize_deplibs" fi elif test "$build_libtool_libs" = yes; then # Not a shared library if test "$deplibs_check_method" != pass_all; then # We're trying link a shared library against a static one # but the system doesn't support it. # Just print a warning and add the library to dependency_libs so # that the program can be linked against the static library. echo echo "*** Warning: This library needs some functionality provided by $lib." echo "*** I have the capability to make that library automatically link in when" echo "*** you link to this library. But I can only do this if you have a" echo "*** shared version of the library, which you do not appear to have." if test "$module" = yes; then echo "*** Therefore, libtool will create a static module, that should work " echo "*** as long as the dlopening application is linked with the -dlopen flag." if test -z "$global_symbol_pipe"; then echo echo "*** However, this would only work if libtool was able to extract symbol" echo "*** lists from a program, using \`nm' or equivalent, but libtool could" echo "*** not find such a program. So, this module is probably useless." echo "*** \`nm' from GNU binutils and a full rebuild may help." fi if test "$build_old_libs" = no; then build_libtool_libs=module build_old_libs=yes else build_libtool_libs=no fi fi else convenience="$convenience $dir/$old_library" old_convenience="$old_convenience $dir/$old_library" deplibs="$dir/$old_library $deplibs" link_static=yes fi fi # link shared/static library? if test $linkmode = lib; then if test -n "$dependency_libs" && { test $hardcode_into_libs != yes || test $build_old_libs = yes || test $link_static = yes; }; then # Extract -R from dependency_libs temp_deplibs= for libdir in $dependency_libs; do case $libdir in -R*) temp_xrpath=`$echo "X$libdir" | $Xsed -e 's/^-R//'` case " $xrpath " in *" $temp_xrpath "*) ;; *) xrpath="$xrpath $temp_xrpath";; esac;; *) temp_deplibs="$temp_deplibs $libdir";; esac done dependency_libs="$temp_deplibs" fi newlib_search_path="$newlib_search_path $absdir" # Link against this library test "$link_static" = no && newdependency_libs="$abs_ladir/$laname $newdependency_libs" # ... and its dependency_libs tmp_libs= for deplib in $dependency_libs; do newdependency_libs="$deplib $newdependency_libs" case "$tmp_libs " in *" $deplib "*) specialdeplibs="$specialdeplibs $deplib" ;; esac tmp_libs="$tmp_libs $deplib" done if test $link_all_deplibs != no; then # Add the search paths of all dependency libraries for deplib in $dependency_libs; do case $deplib in -L*) path="$deplib" ;; *.la) dir=`$echo "X$deplib" | $Xsed -e 's%/[^/]*$%%'` test "X$dir" = "X$deplib" && dir="." # We need an absolute path. case $dir in [\\/]* | [A-Za-z]:[\\/]*) absdir="$dir" ;; *) absdir=`cd "$dir" && pwd` if test -z "$absdir"; then $echo "$modename: warning: cannot determine absolute directory name of \`$dir'" 1>&2 absdir="$dir" fi ;; esac if grep "^installed=no" $deplib > /dev/null; then path="-L$absdir/$objdir" else eval libdir=`sed -n -e 's/^libdir=\(.*\)$/\1/p' $deplib` if test -z "$libdir"; then $echo "$modename: \`$deplib' is not a valid libtool archive" 1>&2 exit 1 fi if test "$absdir" != "$libdir"; then $echo "$modename: warning: \`$deplib' seems to be moved" 1>&2 fi path="-L$absdir" fi ;; *) continue ;; esac case " $deplibs " in *" $path "*) ;; *) deplibs="$deplibs $path" ;; esac done fi # link_all_deplibs != no fi # linkmode = lib done # for deplib in $libs if test $pass = dlpreopen; then # Link the dlpreopened libraries before other libraries for deplib in $save_deplibs; do deplibs="$deplib $deplibs" done fi if test $pass != dlopen; then test $pass != scan && dependency_libs="$newdependency_libs" if test $pass != conv; then # Make sure lib_search_path contains only unique directories. lib_search_path= for dir in $newlib_search_path; do case "$lib_search_path " in *" $dir "*) ;; *) lib_search_path="$lib_search_path $dir" ;; esac done newlib_search_path= fi if test "$linkmode,$pass" != "prog,link"; then vars="deplibs" else vars="compile_deplibs finalize_deplibs" fi for var in $vars dependency_libs; do # Add libraries to $var in reverse order eval tmp_libs=\"\$$var\" new_libs= for deplib in $tmp_libs; do case $deplib in -L*) new_libs="$deplib $new_libs" ;; *) case " $specialdeplibs " in *" $deplib "*) new_libs="$deplib $new_libs" ;; *) case " $new_libs " in *" $deplib "*) ;; *) new_libs="$deplib $new_libs" ;; esac ;; esac ;; esac done tmp_libs= for deplib in $new_libs; do case $deplib in -L*) case " $tmp_libs " in *" $deplib "*) ;; *) tmp_libs="$tmp_libs $deplib" ;; esac ;; *) tmp_libs="$tmp_libs $deplib" ;; esac done eval $var=\"$tmp_libs\" done # for var fi if test "$pass" = "conv" && { test "$linkmode" = "lib" || test "$linkmode" = "prog"; }; then libs="$deplibs" # reset libs deplibs= fi done # for pass if test $linkmode = prog; then dlfiles="$newdlfiles" dlprefiles="$newdlprefiles" fi case $linkmode in oldlib) if test -n "$dlfiles$dlprefiles" || test "$dlself" != no; then $echo "$modename: warning: \`-dlopen' is ignored for archives" 1>&2 fi if test -n "$rpath"; then $echo "$modename: warning: \`-rpath' is ignored for archives" 1>&2 fi if test -n "$xrpath"; then $echo "$modename: warning: \`-R' is ignored for archives" 1>&2 fi if test -n "$vinfo"; then $echo "$modename: warning: \`-version-info' is ignored for archives" 1>&2 fi if test -n "$release"; then $echo "$modename: warning: \`-release' is ignored for archives" 1>&2 fi if test -n "$export_symbols" || test -n "$export_symbols_regex"; then $echo "$modename: warning: \`-export-symbols' is ignored for archives" 1>&2 fi # Now set the variables for building old libraries. build_libtool_libs=no oldlibs="$output" objs="$objs$old_deplibs" ;; lib) # Make sure we only generate libraries of the form `libNAME.la'. case $outputname in lib*) name=`$echo "X$outputname" | $Xsed -e 's/\.la$//' -e 's/^lib//'` eval libname=\"$libname_spec\" ;; *) if test "$module" = no; then $echo "$modename: libtool library \`$output' must begin with \`lib'" 1>&2 $echo "$help" 1>&2 exit 1 fi if test "$need_lib_prefix" != no; then # Add the "lib" prefix for modules if required name=`$echo "X$outputname" | $Xsed -e 's/\.la$//'` eval libname=\"$libname_spec\" else libname=`$echo "X$outputname" | $Xsed -e 's/\.la$//'` fi ;; esac if test -n "$objs"; then if test "$deplibs_check_method" != pass_all; then $echo "$modename: cannot build libtool library \`$output' from non-libtool objects on this host:$objs" 2>&1 exit 1 else echo echo "*** Warning: Linking the shared library $output against the non-libtool" echo "*** objects $objs is not portable!" libobjs="$libobjs $objs" fi fi if test "$dlself" != no; then $echo "$modename: warning: \`-dlopen self' is ignored for libtool libraries" 1>&2 fi set dummy $rpath if test $# -gt 2; then $echo "$modename: warning: ignoring multiple
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