📄 ltmain.sh
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--dry-run | -n)
run=:
;;
--features)
$echo "host: $host"
if test "$build_libtool_libs" = yes; then
$echo "enable shared libraries"
else
$echo "disable shared libraries"
fi
if test "$build_old_libs" = yes; then
$echo "enable static libraries"
else
$echo "disable static libraries"
fi
exit $?
;;
--finish) mode="finish" ;;
--mode) prevopt="--mode" prev=mode ;;
--mode=*) mode="$optarg" ;;
--preserve-dup-deps) duplicate_deps="yes" ;;
--quiet | --silent)
show=:
preserve_args="$preserve_args $arg"
;;
--tag)
prevopt="--tag"
prev=tag
preserve_args="$preserve_args --tag"
;;
--tag=*)
set tag "$optarg" ${1+"$@"}
shift
prev=tag
preserve_args="$preserve_args --tag"
;;
-dlopen)
prevopt="-dlopen"
prev=execute_dlfiles
;;
-*)
$echo "$modename: unrecognized option \`$arg'" 1>&2
$echo "$help" 1>&2
exit $EXIT_FAILURE
;;
*)
nonopt="$arg"
break
;;
esac
done
if test -n "$prevopt"; then
$echo "$modename: option \`$prevopt' requires an argument" 1>&2
$echo "$help" 1>&2
exit $EXIT_FAILURE
fi
case $disable_libs in
no)
;;
shared)
build_libtool_libs=no
build_old_libs=yes
;;
static)
build_old_libs=`case $build_libtool_libs in yes) echo no;; *) echo yes;; esac`
;;
esac
# If this variable is set in any of the actions, the command in it
# will be execed at the end. This prevents here-documents from being
# left over by shells.
exec_cmd=
if test -z "$show_help"; then
# Infer the operation mode.
if test -z "$mode"; then
$echo "*** Warning: inferring the mode of operation is deprecated." 1>&2
$echo "*** Future versions of Libtool will require --mode=MODE be specified." 1>&2
case $nonopt in
*cc | cc* | *++ | gcc* | *-gcc* | g++* | xlc*)
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 $EXIT_FAILURE
fi
# Change the help message to a mode-specific one.
generic_help="$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=
srcfile="$nonopt" # always keep a non-empty value in "srcfile"
suppress_opt=yes
suppress_output=
arg_mode=normal
libobj=
later=
for arg
do
case $arg_mode in
arg )
# do not "continue". Instead, add this to base_compile
lastarg="$arg"
arg_mode=normal
;;
target )
libobj="$arg"
arg_mode=normal
continue
;;
normal )
# Accept any command-line options.
case $arg in
-o)
if test -n "$libobj" ; then
$echo "$modename: you cannot specify \`-o' more than once" 1>&2
exit $EXIT_FAILURE
fi
arg_mode=target
continue
;;
-static | -prefer-pic | -prefer-non-pic)
later="$later $arg"
continue
;;
-no-suppress)
suppress_opt=no
continue
;;
-Xcompiler)
arg_mode=arg # the next one goes into the "base_compile" arg list
continue # The current "srcfile" will either be retained or
;; # replaced later. I would guess that would be a bug.
-Wc,*)
args=`$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" | $Xsed -e "s/^ //"`
# Add the arguments to base_compile.
base_compile="$base_compile $lastarg"
continue
;;
* )
# Accept the current argument as the source file.
# The previous "srcfile" becomes the current argument.
#
lastarg="$srcfile"
srcfile="$arg"
;;
esac # case $arg
;;
esac # case $arg_mode
# Aesthetically quote the previous argument.
lastarg=`$echo "X$lastarg" | $Xsed -e "$sed_quote_subst"`
case $lastarg in
# Double-quote args containing other shell metacharacters.
# Many Bourne shells cannot handle close brackets correctly
# in scan sets, and some SunOS ksh mistreat backslash-escaping
# in scan sets (worked around with variable expansion),
# and furthermore cannot handle '|' '&' '(' ')' in scan sets
# at all, so we specify them separately.
*[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
lastarg="\"$lastarg\""
;;
esac
base_compile="$base_compile $lastarg"
done # for arg
case $arg_mode in
arg)
$echo "$modename: you must specify an argument for -Xcompile"
exit $EXIT_FAILURE
;;
target)
$echo "$modename: you must specify a target with \`-o'" 1>&2
exit $EXIT_FAILURE
;;
*)
# Get the name of the library object.
[ -z "$libobj" ] && libobj=`$echo "X$srcfile" | $Xsed -e 's%^.*/%%'`
;;
esac
# Recognize several different file suffixes.
# If the user specifies -o file.o, it is replaced with file.lo
xform='[cCFSifmso]'
case $libobj in
*.ada) xform=ada ;;
*.adb) xform=adb ;;
*.ads) xform=ads ;;
*.asm) xform=asm ;;
*.c++) xform=c++ ;;
*.cc) xform=cc ;;
*.ii) xform=ii ;;
*.class) xform=class ;;
*.cpp) xform=cpp ;;
*.cxx) xform=cxx ;;
*.f90) xform=f90 ;;
*.for) xform=for ;;
*.java) xform=java ;;
esac
libobj=`$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 $EXIT_FAILURE
;;
esac
func_infer_tag $base_compile
for arg in $later; do
case $arg in
-static)
build_old_libs=yes
continue
;;
-prefer-pic)
pic_mode=yes
continue
;;
-prefer-non-pic)
pic_mode=no
continue
;;
esac
done
qlibobj=`$echo "X$libobj" | $Xsed -e "$sed_quote_subst"`
case $qlibobj in
*[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
qlibobj="\"$qlibobj\"" ;;
esac
test "X$libobj" != "X$qlibobj" \
&& $echo "X$libobj" | grep '[]~#^*{};<>?"'"'"' &()|`$[]' \
&& $echo "$modename: libobj name \`$libobj' may not contain shell special characters."
objname=`$echo "X$obj" | $Xsed -e 's%^.*/%%'`
xdir=`$echo "X$obj" | $Xsed -e 's%/[^/]*$%%'`
if test "X$xdir" = "X$obj"; then
xdir=
else
xdir=$xdir/
fi
lobj=${xdir}$objdir/$objname
if test -z "$base_compile"; then
$echo "$modename: you must specify a compilation command" 1>&2
$echo "$help" 1>&2
exit $EXIT_FAILURE
fi
# Delete any leftover library objects.
if test "$build_old_libs" = yes; then
removelist="$obj $lobj $libobj ${libobj}T"
else
removelist="$lobj $libobj ${libobj}T"
fi
$run $rm $removelist
trap "$run $rm $removelist; exit $EXIT_FAILURE" 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 $EXIT_FAILURE" 1 2 15
else
output_obj=
need_locks=no
lockfile=
fi
# Lock this critical section if it is needed
# We use this script file to make the link, it avoids creating a new file
if test "$need_locks" = yes; then
until $run ln "$progpath" "$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 same
temporary object file, and libtool could not work around it because
your compiler does not support \`-c' and \`-o' together. If you
repeat this compilation, it may succeed, by chance, but you had better
avoid parallel builds (make -j) in this platform, or get a better
compiler."
$run $rm $removelist
exit $EXIT_FAILURE
fi
$echo "$srcfile" > "$lockfile"
fi
if test -n "$fix_srcfile_path"; then
eval srcfile=\"$fix_srcfile_path\"
fi
qsrcfile=`$echo "X$srcfile" | $Xsed -e "$sed_quote_subst"`
case $qsrcfile in
*[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
qsrcfile="\"$qsrcfile\"" ;;
esac
$run $rm "$libobj" "${libobj}T"
# Create a libtool object file (analogous to a ".la" file),
# but don't create it if we're doing a dry run.
test -z "$run" && cat > ${libobj}T <<EOF
# $libobj - a libtool object file
# Generated by $PROGRAM - GNU $PACKAGE $VERSION$TIMESTAMP
#
# Please DO NOT delete this file!
# It is necessary for linking the library.
# Name of the PIC object.
EOF
# 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 "$pic_mode" != no; then
command="$base_compile $qsrcfile $pic_flag"
else
# Don't build PIC code
command="$base_compile $qsrcfile"
fi
if test ! -d "${xdir}$objdir"; then
$show "$mkdir ${xdir}$objdir"
$run $mkdir ${xdir}$objdir
exit_status=$?
if test "$exit_status" -ne 0 && test ! -d "${xdir}$objdir"; then
exit $exit_status
fi
fi
if test -z "$output_obj"; then
# Place PIC objects in $objdir
command="$command -o $lobj"
fi
$run $rm "$lobj" "$output_obj"
$show "$command"
if $run eval "$command"; then :
else
test -n "$output_obj" && $run $rm $removelist
exit $EXIT_FAILURE
fi
if test "$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:
$srcfile
This indicates that another process is trying to use the same
temporary object file, and libtool could not work around it because
your compiler does not support \`-c' and \`-o' together. If you
repeat this compilation, it may succeed, by chance, but you had better
avoid parallel builds (make -j) in this platform, or get a better
compiler."
$run $rm $removelist
exit $EXIT_FAILURE
fi
# Just move the object if needed, then go on to compile the next one
if test -n "$output_obj" && test "X$output_obj" != "X$lobj"; then
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