📄 libtool
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# will be execed at the end. This prevents here-documents from being# left over by shells.exec_cmd=if test -z "$show_help"; then # Infer the operation mode. if test -z "$mode"; then case $nonopt in *cc | *++ | gcc* | *-gcc*) mode=link for arg do case $arg in -c) mode=compile break ;; esac done ;; *db | *dbx | *strace | *truss) mode=execute ;; *install*|cp|mv) mode=install ;; *rm) mode=uninstall ;; *) # If we have no mode, but dlfiles were specified, then do execute mode. test -n "$execute_dlfiles" && mode=execute # Just use the default operation mode. if test -z "$mode"; then if test -n "$nonopt"; then $echo "$modename: warning: cannot infer operation mode from \`$nonopt'" 1>&2 else $echo "$modename: warning: cannot infer operation mode without MODE-ARGS" 1>&2 fi fi ;; esac fi # Only execute mode is allowed to have -dlopen flags. if test -n "$execute_dlfiles" && test "$mode" != execute; then $echo "$modename: unrecognized option \`-dlopen'" 1>&2 $echo "$help" 1>&2 exit 1 fi # Change the help message to a mode-specific one. generic_help="$help" help="Try \`$modename --help --mode=$mode' for more information." # These modes are in order of execution frequency so that they run quickly. case $mode in # libtool compile mode compile) modename="$modename: compile" # Get the compilation command and the source file. base_compile= prev= lastarg= srcfile="$nonopt" suppress_output= user_target=no for arg do case $prev in "") ;; xcompiler) # Aesthetically quote the previous argument. prev= lastarg=`$echo "X$arg" | $Xsed -e "$sed_quote_subst"` case $arg in # Double-quote args containing other shell metacharacters. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") arg="\"$arg\"" ;; esac # Add the previous argument to base_compile. if test -z "$base_compile"; then base_compile="$lastarg" else base_compile="$base_compile $lastarg" fi continue ;; esac # Accept any command-line options. case $arg in -o) if test "$user_target" != "no"; then $echo "$modename: you cannot specify \`-o' more than once" 1>&2 exit 1 fi user_target=next ;; -static) build_old_libs=yes continue ;; -prefer-pic) pic_mode=yes continue ;; -prefer-non-pic) pic_mode=no continue ;; -Xcompiler) prev=xcompiler continue ;; -Wc,*) args=`$echo "X$arg" | $Xsed -e "s/^-Wc,//"` lastarg= save_ifs="$IFS"; IFS=',' for arg in $args; do IFS="$save_ifs" # Double-quote args containing other shell metacharacters. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. case $arg in *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") arg="\"$arg\"" ;; esac lastarg="$lastarg $arg" done IFS="$save_ifs" lastarg=`$echo "X$lastarg" | $Xsed -e "s/^ //"` # Add the arguments to base_compile. if test -z "$base_compile"; then base_compile="$lastarg" else base_compile="$base_compile $lastarg" fi continue ;; esac case $user_target in next) # The next one is the -o target name user_target=yes continue ;; yes) # We got the output file user_target=set libobj="$arg" continue ;; esac # Accept the current argument as the source file. lastarg="$srcfile" srcfile="$arg" # Aesthetically quote the previous argument. # Backslashify any backslashes, double quotes, and dollar signs. # These are the only characters that are still specially # interpreted inside of double-quoted scrings. lastarg=`$echo "X$lastarg" | $Xsed -e "$sed_quote_subst"` # Double-quote args containing other shell metacharacters. # Many Bourne shells cannot handle close brackets correctly # in scan sets, so we specify it separately. case $lastarg in *[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"") lastarg="\"$lastarg\"" ;; esac # Add the previous argument to base_compile. if test -z "$base_compile"; then base_compile="$lastarg" else base_compile="$base_compile $lastarg" fi done case $user_target in set) ;; no) # Get the name of the library object. libobj=`$echo "X$srcfile" | $Xsed -e 's%^.*/%%'` ;; *) $echo "$modename: you must specify a target with \`-o'" 1>&2 exit 1 ;; esac # Recognize several different file suffixes. # If the user specifies -o file.o, it is replaced with file.lo xform='[cCFSfmso]' case $libobj in *.ada) xform=ada ;; *.adb) xform=adb ;; *.ads) xform=ads ;; *.asm) xform=asm ;; *.c++) xform=c++ ;; *.cc) xform=cc ;; *.cpp) xform=cpp ;; *.cxx) xform=cxx ;; *.f90) xform=f90 ;; *.for) xform=for ;; esac libobj=`$echo "X$libobj" | $Xsed -e "s/\.$xform$/.lo/"` case $libobj in *.lo) obj=`$echo "X$libobj" | $Xsed -e "$lo2o"` ;; *) $echo "$modename: cannot determine name of library object from \`$libobj'" 1>&2 exit 1 ;; esac if test -z "$base_compile"; then $echo "$modename: you must specify a compilation command" 1>&2 $echo "$help" 1>&2 exit 1 fi # Delete any leftover library objects. if test "$build_old_libs" = yes; then removelist="$obj $libobj" else removelist="$libobj" fi $run $rm $removelist trap "$run $rm $removelist; exit 1" 1 2 15 # On Cygwin there's no "real" PIC flag so we must build both object types case $host_os in cygwin* | mingw* | pw32* | os2*) pic_mode=default ;; esac if test $pic_mode = no && test "$deplibs_check_method" != pass_all; then # non-PIC code in shared libraries is not supported pic_mode=default fi # Calculate the filename of the output object if compiler does # not support -o with -c if test "$compiler_c_o" = no; then output_obj=`$echo "X$srcfile" | $Xsed -e 's%^.*/%%' -e 's%\.[^.]*$%%'`.${objext} lockfile="$output_obj.lock" removelist="$removelist $output_obj $lockfile" trap "$run $rm $removelist; exit 1" 1 2 15 else need_locks=no lockfile= fi # Lock this critical section if it is needed # We use this script file to make the link, it avoids creating a new file if test "$need_locks" = yes; then until $run ln "$0" "$lockfile" 2>/dev/null; do $show "Waiting for $lockfile to be removed" sleep 2 done elif test "$need_locks" = warn; then if test -f "$lockfile"; then echo "\*** ERROR, $lockfile exists and contains:`cat $lockfile 2>/dev/null`This indicates that another process is trying to use the sametemporary object file, and libtool could not work around it becauseyour compiler does not support \`-c' and \`-o' together. If yourepeat this compilation, it may succeed, by chance, but you had betteravoid parallel builds (make -j) in this platform, or get a bettercompiler." $run $rm $removelist exit 1 fi echo $srcfile > "$lockfile" fi if test -n "$fix_srcfile_path"; then eval srcfile=\"$fix_srcfile_path\" fi # Only build a PIC object if we are building libtool libraries. if test "$build_libtool_libs" = yes; then # Without this assignment, base_compile gets emptied. fbsd_hideous_sh_bug=$base_compile if test "$pic_mode" != no; then # All platforms use -DPIC, to notify preprocessed assembler code. command="$base_compile $srcfile $pic_flag -DPIC" else # Don't build PIC code command="$base_compile $srcfile" fi if test "$build_old_libs" = yes; then lo_libobj="$libobj" dir=`$echo "X$libobj" | $Xsed -e 's%/[^/]*$%%'` if test "X$dir" = "X$libobj"; then dir="$objdir" else dir="$dir/$objdir" fi libobj="$dir/"`$echo "X$libobj" | $Xsed -e 's%^.*/%%'` if test -d "$dir"; then $show "$rm $libobj" $run $rm $libobj else $show "$mkdir $dir" $run $mkdir $dir status=$? if test $status -ne 0 && test ! -d $dir; then exit $status fi fi fi if test "$compiler_o_lo" = yes; then output_obj="$libobj" command="$command -o $output_obj" elif test "$compiler_c_o" = yes; then output_obj="$obj" command="$command -o $output_obj" fi $run $rm "$output_obj" $show "$command" if $run eval "$command"; then : else test -n "$output_obj" && $run $rm $removelist exit 1 fi if test "$need_locks" = warn && test x"`cat $lockfile 2>/dev/null`" != x"$srcfile"; then echo "\*** ERROR, $lockfile contains:`cat $lockfile 2>/dev/null`but it should contain:$srcfileThis indicates that another process is trying to use the sametemporary object file, and libtool could not work around it becauseyour compiler does not support \`-c' and \`-o' together. If yourepeat this compilation, it may succeed, by chance, but you had betteravoid parallel builds (make -j) in this platform, or get a bettercompiler." $run $rm $removelist exit 1 fi # Just move the object if needed, then go on to compile the next one if test x"$output_obj" != x"$libobj"; then $show "$mv $output_obj $libobj" if $run $mv $output_obj $libobj; then : else error=$? $run $rm $removelist exit $error fi fi # If we have no pic_flag, then copy the object into place and finish. if (test -z "$pic_flag" || test "$pic_mode" != default) && test "$build_old_libs" = yes; then # Rename the .lo from within objdir to obj if test -f $obj; then $show $rm $obj $run $rm $obj fi $show "$mv $libobj $obj" if $run $mv $libobj $obj; then : else error=$? $run $rm $removelist exit $error fi xdir=`$echo "X$obj" | $Xsed -e 's%/[^/]*$%%'` if test "X$xdir" = "X$obj"; then xdir="." else xdir="$xdir" fi baseobj=`$echo "X$obj" | $Xsed -e "s%.*/%%"` libobj=`$echo "X$baseobj" | $Xsed -e "$o2lo"` # Now arrange that obj and lo_libobj become the same file $show "(cd $xdir && $LN_S $baseobj $libobj)" if $run eval '(cd $xdir && $LN_S $baseobj $libobj)'; then # Unlock the critical section if it was locked if test "$need_locks" != no; then $run $rm "$lockfile" fi exit 0 else error=$? $run $rm $removelist exit $error fi fi # Allow error messages only from the first compilation. suppress_output=' >/dev/null 2>&1' fi # Only build a position-dependent object if we build old libraries. if test "$build_old_libs" = yes; then if test "$pic_mode" != yes; then # Don't build PIC code command="$base_compile $srcfile" else # All platforms use -DPIC, to notify preprocessed assembler code. command="$base_compile $srcfile $pic_flag -DPIC" fi if test "$compiler_c_o" = yes; then command="$command -o $obj" output_obj="$obj" fi # Suppress compiler output if we already did a PIC compilation. command="$command$suppress_output" $run $rm "$output_obj" $show "$command" if $run eval "$command"; then : else $run $rm $removelist exit 1 fi if test "$need_locks" = warn && test x"`cat $lockfile 2>/dev/null`" != x"$srcfile"; then echo "\*** ERROR, $lockfile contains:`cat $lockfile 2>/dev/null`but it should contain:$srcfileThis indicates that another process is trying to use the sametemporary object file, and libtool could not work around it becauseyour compiler does not support \`-c' and \`-o' together. If yourepeat this compilation, it may succeed, by chance, but you had betteravoid parallel builds (make -j) in this platform, or get a bettercompiler." $run $rm $removelist exit 1 fi # Just move the object if needed if test x"$output_obj" != x"$obj"; then $show "$mv $output_obj $obj" if $run $mv $output_obj $obj; then : else error=$? $run $rm $removelist exit $error fi fi # Create an invalid libtool object if no PIC, so that we do not # accidentally link it into a program. if test "$build_libtool_libs" != yes; then $show "echo timestamp > $libobj" $run eval "echo timestamp > \$libobj" || exit $? else
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