+1999-07-17 Thomas Tanner <tanner@ffii.org>
+
+ * NEWS, TODO: updated (pic flags)
+ * libtool.m4 (AC_PROG_LIBTOOL): added --with-pic flag
+ * ltconfig.in: new pic_mode variable and --prefer[-non]-pic flags,
+ fixed the strip check (reported by Keith Bostic <bostic@bostic.com>)
+ * ltmain.in (compile mode): build only PIC/non-PIC code depending
+ on pic_mode
+ * libltdl/README: document the supported dlopen interfaces
+ * doc/libtool.texi (tests): documented new tests
+ * tests/Makefile.am: added new tests
+ * tests/demo-pic.test: new test to test --with-pic
+ * tests/demo-nopic.test: new test to test --without-pic
+ * tests/build-relink2.test: variant of build-relink.test that
+ uses depdemo
+
1999-07-09 Olly Betts <olly@muscat.co.uk>
* doc/libtool.texi (C++ Libraries): fixed a typo.
NEWS - list of user-visible changes between releases of GNU Libtool
+New in 1.3d: 1999-??-??; CVS version 1.3c, Libtool team:
+* New --with-pic flag to control the generation of PIC/non-PIC code.
+* Various bugfixes
+\f
New in 1.3b: 1999-07-02; CVS version 1.3a, Libtool team:
* Complete inter-library dependencies support. It's now possible
to link libtool libraries against other libtool libraries.
possible would greatly improve libltdl's ability to be embedded in and
used by other systems.
-* Pavel Roskin writes about --enable-pic-static:
- Is it true that the objects which are suitable for building shared
- libraries are always suitable for building static libraries? If yes,
- would it be a good idea to have an option which would enable building
- shared and static libraries from the same object files. 50% speedup is
- worth considering IMHO.
-
* Support -dlopen/dlpreopen for libraries.
This requires adding two new variables (dlopen/dlpreopen) to
the pseudo-library and later dlopening them when a program is linked
@itemx demo-static.test
@itemx demo-shared.test
@itemx demo-nofast.test
+@itemx demo-pic.test
+@itemx demo-nopic.test
@pindex demo-conf.test
@pindex demo-exec.test
@pindex demo-inst.test
@pindex demo-static.test
@pindex demo-shared.test
@pindex demo-nofast.test
+@pindex demo-pic.test
+@pindex demo-nopic.test
These programs check to see that the @file{demo} subdirectory of the
libtool distribution can be configured, built, installed, and
uninstalled correctly.
(@samp{--disable-shared}), and @file{demo-shared.test} builds only
shared libraries (@samp{--disable-static}).
@file{demo-nofast.test} configures @file{demo/libtool} to
-disable the fast-install mode (@samp{--enable-fast-install=no}.
+disable the fast-install mode (@samp{--enable-fast-install=no}).
+@file{demo-pic.test} configures @file{demo/libtool} to
+prefer building PIC code (@samp{--with-pic}), @file{demo-nopic.test}
+to prefer non-PIC code (@samp{--without-pic}).
@item deplibs.test
@pindex deplibs.test
This is GNU libltdl, a system independent dlopen wrapper for GNU libtool.
+
+It supports the following dlopen interfaces:
+* dlopen (Solaris, Linux and various BSD flavors)
+* shl_load (HP-UX)
+* LoadLibrary (Win16 and Win32)
+* load_add_on (BeOS)
+* GNU DLD (emulates dynamic linking for static libraries)
+* libtool's dlpreopen
## configuration script generated by Autoconf, you may include it under
## the same distribution terms that you use for the rest of that program.
-# serial 40 AC_PROG_LIBTOOL
+# serial 41 AC_PROG_LIBTOOL
AC_DEFUN(AC_PROG_LIBTOOL,
[AC_REQUIRE([AC_LIBTOOL_SETUP])dnl
test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock"
test x"$silent" = xyes && libtool_flags="$libtool_flags --silent"
+AC_ARG_WITH(pic,
+ [ --with-pic try to use only PIC/non-PIC objects [default=use both]],
+ pic_mode="$withval", pic_mode=default)
+test x"$pic_mode" = xyes && libtool_flags="$libtool_flags --prefer-pic"
+test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
+
# Some flags need to be propagated to the compiler or linker for good
# libtool support.
case "$host" in
enable_fast_install=yes
enable_dlopen=unknown
enable_win32_dll=no
+pic_mode=default
ltmain=
silent=
srcdir=
--version output version information and exit
--with-gcc assume that the GNU C compiler will be used
--with-gnu-ld assume that the C compiler uses the GNU linker
+ --prefer-pic try to use only PIC objects
+ --prefer-non-pic try to use only non-PIC objects
--disable-lock disable file locking
--cache-file=FILE configure cache file
--with-gcc) with_gcc=yes ;;
--with-gnu-ld) with_gnu_ld=yes ;;
+ --prefer-pic) pic_mode=yes ;;
+ --prefer-non-pic) pic_mode=no ;;
+
--disable-lock) need_locks=no ;;
--cache-file=*) cache_file="$optarg" ;;
echo "$ac_t$hardcode_action" 1>&6
echo $ac_n "checking whether stripping libraries is possible... $ac_c" 1>&6
-if test -n "$STRIP" && $STRIP -V | grep "GNU strip" >/dev/null; then
+if test -n "$STRIP" && $STRIP -V 2>&1 | grep "GNU strip" >/dev/null; then
test -z "$old_striplib" && old_striplib="$STRIP --strip-debug"
test -z "$striplib" && striplib="$STRIP --strip-unneeded"
echo "${ac_t}yes" 1>&6
enable_fast_install=needless
fi
+# Check whether we must set pic_mode to default
+test -z "$pic_flag" && pic_mode=default
+# On Cygwin there's no "real" PIC flag so we must build both object types
+case "$host_os" in
+cygwin* | mingw* | 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
+
if test "x$enable_dlopen" != xyes; then
enable_dlopen=unknown
enable_dlopen_self=unknown
# Additional compiler flags for building library objects.
pic_flag=$pic_flag
+pic_mode=$pic_mode
# Does compiler simultaneously support -c and -o options?
compiler_c_o=$compiler_c_o
# Without this assignment, base_compile gets emptied.
fbsd_hideous_sh_bug=$base_compile
- # All platforms use -DPIC, to notify preprocessed assembler code.
- command="$base_compile $pic_flag -DPIC $srcfile"
+ if test "$pic_mode" != no; then
+ # All platforms use -DPIC, to notify preprocessed assembler code.
+ command="$base_compile $pic_flag -DPIC $srcfile"
+ else
+ # Don't build PIC code
+ command="$base_compile $srcfile"
+ fi
if test "$build_old_libs" = yes; then
lo_libobj="$libobj"
dir=`$echo "X$libobj" | $Xsed -e 's%/[^/]*$%%'`
fi
# If we have no pic_flag, then copy the object into place and finish.
- if test -z "$pic_flag" && test "$build_old_libs" = yes; then
+ 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 $obj
# Only build a position-dependent object if we build old libraries.
if test "$build_old_libs" = yes; then
- command="$base_compile $srcfile"
+ if test "$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 $pic_flag -DPIC $srcfile"
+ fi
if test "$compiler_c_o" = yes; then
command="$command -o $obj"
output_obj="$obj"
exit 0
fi
- if test -n "$pic_flag"; then
+ if test -n "$pic_flag" || test "$pic_mode" != default; then
# Only do commands if we really have different PIC objects.
reload_objs="$libobjs $reload_conv_objs"
output="$libobj"
mdemo-inst.test mdemo-unst.test dryrun.test \
demo-nofast.test demo-make.test demo-exec.test \
demo-inst.test demo-unst.test \
+ demo-pic.test demo-make.test demo-exec.test \
+ demo-nopic.test demo-make.test demo-exec.test \
depdemo-nofast.test depdemo-make.test depdemo-exec.test \
depdemo-inst.test depdemo-unst.test \
cdemo-shared.test cdemo-make.test cdemo-exec.test \
demo-shared.test demo-make.test demo-exec.test demo-inst.test \
hardcode.test build-relink.test noinst-link.test demo-unst.test \
depdemo-shared.test depdemo-make.test depdemo-exec.test \
- depdemo-inst.test depdemo-unst.test \
+ depdemo-inst.test build-relink2.test depdemo-unst.test \
mdemo-shared.test mdemo-make.test mdemo-exec.test \
mdemo-inst.test mdemo-unst.test \
assign.test link.test link-2.test nomode.test \
--- /dev/null
+#! /bin/sh
+# build-relink2.test - check to see whether shlibpath overrides runpath
+
+# Test script header.
+need_prefix=yes
+if test -z "$srcdir"; then
+ srcdir=`echo "$0" | sed 's%/[^/]*$%%'`
+ test "$srcdir" = "$0" && srcdir=.
+ test "${VERBOSE+set}" != "set" && VERBOSE=yes
+fi
+. $srcdir/defs || exit 1
+
+# Check that things are built.
+if test -f $prefix/lib/extra/libl3.la && cd ../depdemo && test -f l3/libl3.la; then :
+else
+ echo "You must run depdemo-inst.test before $0" 1>&2
+ exit 77
+fi
+
+# Check to make sure we have a dynamic library.
+library_names=NONE
+eval `egrep -e '^library_names=' ./l3/libl3.la 2>/dev/null`
+
+if test "$library_names" = NONE; then
+ echo "library_names not set in ../depdemo/l3/libl3.la" 1>&2
+ exit 1
+elif test -z "$library_names"; then
+ echo "= Exiting: ../depdemo/l3/libl3.la is not a shared library"
+ exit 77
+fi
+
+# Unfortunately, we need access to libtool internals for this test.
+objdir=NONE
+eval `egrep -e '^objdir=' ./libtool 2>/dev/null`
+if test "$objdir" = NONE; then
+ echo "objdir not set in ../depdemo/libtool" 1>&2
+ exit 1
+fi
+
+shlibpath_overrides_runpath=NONE
+eval `egrep -e '^shlibpath_overrides_runpath=' ./libtool 2>/dev/null`
+if test "$shlibpath_overrides_runpath" = NONE; then
+ echo "shlibpath_overrides_runpath not set in ../depdemo/libtool" 1>&2
+ exit 1
+fi
+
+hardcode_action=NONE
+eval `egrep -e '^hardcode_action=' ./libtool 2>/dev/null`
+if test "$hardcode_action" = NONE; then
+ echo "hardcode_action not set in ../depdemo/libtool" 1>&2
+ exit 1
+fi
+
+hardcode_direct=NONE
+eval `egrep -e '^hardcode_direct=' ./libtool 2>/dev/null`
+if test "$hardcode_direct" = NONE; then
+ echo "hardcode_direct not set in ../depdemo/libtool" 1>&2
+ exit 1
+fi
+
+hardcode_into_libs=NONE
+eval `egrep -e '^hardcode_into_libs=' ./libtool 2>/dev/null`
+if test "$hardcode_into_libs" = NONE; then
+ echo "hardcode_into_libs not set in ../depdemo/libtool" 1>&2
+ exit 1
+fi
+
+./depdemo # so that it links on-demand if needed
+
+echo "removing libl3.la from ../depdemo/l3"
+rm -rf l3/libl3.la l3/$objdir
+
+echo "running ../depdemo/depdemo"
+if ./depdemo; then
+ :
+elif test "x,$hardcode_action,$hardcode_direct" = x,relink,yes; then
+ echo "Ok, uninstalled programs fail after uninstalled libraries are removed"
+ echo "This works in other configurations, but not in this particular one"
+else
+ echo "= Exiting: ../depdemo/depdemo does not run, maybe libl3 was not installed"
+ exit 1
+fi
+
+echo "linking a broken ../depdemo/l3/libl3.la"
+if (cd l3; $make libl3.la libl3_la_OBJECTS=../l2/l2.lo); then
+ :
+else
+ echo "= Exiting: cannot link broken libl3.la"
+ exit 1
+fi
+rm -f l3/libl3.la
+
+echo "running ../depdemo/depdemo with broken libl3.la"
+if (./depdemo) 2>&1; then
+ echo "= Exiting: ../depdemo/depdemo runs even though libl3.la is incomplete"
+ echo "shlibpath_overrides_runpath should be set to no"
+ exit 1
+else
+ echo "Failed, as expected"
+fi
+
+if test "x$hardcode_action" = xrelink ||
+ test "x$hardcode_into_libs" = xyes; then
+ echo "= Exiting: install-time relinking is required"
+ exit 0
+fi
+
+if test "$shlibpath_overrides_runpath" != yes; then
+ rm -f $objdir/lt-depdemo || exit 1
+ cp $objdir/depdemo $objdir/lt-depdemo || exit 1
+ echo "running ../depdemo/depdemo with installed libl3.la"
+ if ./depdemo; then
+ echo "Worked, as expected"
+ else
+ echo "shlibpath_overrides_runpath should be set to yes"
+ status=1
+ fi
+ rm -f $objdir/lt-depdemo
+fi
+
+exit $status
--- /dev/null
+#! /bin/sh
+# demo-nopic.test - try configuring the ../demo subdirectory
+
+# Test script header.
+need_prefix=no
+if test -z "$srcdir"; then
+ srcdir=`echo "$0" | sed 's%/[^/]*$%%'`
+ test "$srcdir" = "$0" && srcdir=.
+ test "${VERBOSE+set}" != "set" && VERBOSE=yes
+fi
+. $srcdir/defs || exit 1
+
+# Maybe we have a VPATH build, in which case, create a new subdir.
+test -d ../demo || mkdir ../demo
+
+# Change to our build directory.
+cd ../demo || exit 1
+
+# Possibly clean up the distribution.
+if test -f Makefile; then
+ echo "= Running $make distclean in ../demo"
+ $make distclean
+fi
+rm -f config.cache
+
+# Configure the demonstration.
+echo "= Configuring in ../demo (prefix=$prefix) with --without-pic"
+CONFIG_SITE=/dev/null ${CONFIG_SHELL-/bin/sh} $srcdir/../demo/configure --srcdir=$srcdir/../demo --prefix=$prefix --with-pic=no || exit 1
+
+exit 0
--- /dev/null
+#! /bin/sh
+# demo-pic.test - try configuring the ../demo subdirectory
+
+# Test script header.
+need_prefix=no
+if test -z "$srcdir"; then
+ srcdir=`echo "$0" | sed 's%/[^/]*$%%'`
+ test "$srcdir" = "$0" && srcdir=.
+ test "${VERBOSE+set}" != "set" && VERBOSE=yes
+fi
+. $srcdir/defs || exit 1
+
+# Maybe we have a VPATH build, in which case, create a new subdir.
+test -d ../demo || mkdir ../demo
+
+# Change to our build directory.
+cd ../demo || exit 1
+
+# Possibly clean up the distribution.
+if test -f Makefile; then
+ echo "= Running $make distclean in ../demo"
+ $make distclean
+fi
+rm -f config.cache
+
+# Configure the demonstration.
+echo "= Configuring in ../demo (prefix=$prefix) with --with-pic"
+CONFIG_SITE=/dev/null ${CONFIG_SHELL-/bin/sh} $srcdir/../demo/configure --srcdir=$srcdir/../demo --prefix=$prefix --with-pic=yes || exit 1
+
+exit 0
projects / thirdparty / libtool.git / commitdiff
