diff options
| author | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-04 00:15:42 +0000 |
|---|---|---|
| committer | hjl <hjl@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-04 00:15:42 +0000 |
| commit | 8bdf23ae810238b3a11f4af286b4a3772fb7244f (patch) | |
| tree | 7f137e56cfc324eb4fa83beb9e5fe8ca4d670570 /gcc/configure.ac | |
| parent | aa2294444e9bdb7c4401be3f76b2d06183b59f27 (diff) | |
| download | gcc-8bdf23ae810238b3a11f4af286b4a3772fb7244f.tar.gz | |
2004-09-03 H.J. Lu <hongjiu.lu@intel.com>
PR target/14925:
Makefile.in (LIB2ADDEHSTATIC): New.
(LIB2ADDEHSHARED): New.
(LIBUNWIND): New.
(LIBUNWINDDEP): New.
(SHLIBUNWIND_LINK): New.
(SHLIBUNWIND_INSTALL): New.
(libgcc.mk): Pass LIB2ADDEHSTATIC, LIB2ADDEHSHARED, LIBUNWIND,
LIBUNWINDDEP, SHLIBUNWIND_LINK and SHLIBUNWIND_INSTALL.
(clean): Remove libunwind*
(stage1-start): Remove and copy stage1/libunwind*.
(stage2-start): Remove and copy stage2/libunwind*.
(stage3-start): Remove and copy stage3/libunwind*.
(stage4-start): Remove and copy stage4/libunwind*.
(stageprofile-start): Remove and copy stageprofile/libunwind*.
(stagefeedback-start): Remove and copy stagefeedback/libunwind*.
* config.gcc (ia64*-*-linux*): Always add t-libunwind to
tmake_file. Add t-libunwind-elf and ia64/t-glibc-libunwind to
tmake_file if --with-system-libunwind isn't used.
* config/ia64/t-glibc-libunwind: New file.
* config/t-libunwind-elf: Likewise.
* unwind-compat.c: Likewise.
* unwind-compat.h: Likewise.
* unwind-dw2-fde-compat.c: Likewise.
* config/ia64/t-glibc (LIB2ADDEH): Updated.
* config/ia64/t-hpux (T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
* config/ia64/unwind-ia64.c: Include "unwind-compat.h". Define
aliases if needed.
* unwind-dw2-fde-glibc.c: Likewise.
* unwind-dw2.c: Likewise.
* config/t-libunwind (LIB2ADDEH): Updated.
(LIB2ADDEHSTATIC): New.
(T_CFLAGS): Add -DUSE_LIBUNWIND_EXCEPTIONS.
(TARGET_LIBGCC2_CFLAGS): Set to -DUSE_GAS_SYMVER.
* configure.ac: Change --enable-libunwind-exceptions to
--with-system-libunwind. Don't define USE_LIBUNWIND_EXCEPTIONS.
* configure: Regenerated.
* config.in: Updated.
* doc/install.texi (ia64-*-linux): Require libunwind 0.98 or
above and mention --with-system-libunwind.
(ia64-*-hpux*): Mention --enable-libunwind-exceptions is
removed in gcc 3.4.3 and later.
* gcc.c (init_spec): Add -lunwind to -lgcc_s if
USE_LIBUNWIND_EXCEPTIONS is defined.
* mklibgcc.in: Support libunwind.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87066 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/configure.ac')
| -rw-r--r-- | gcc/configure.ac | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/gcc/configure.ac b/gcc/configure.ac index 328d42a8381..1da2417c608 100644 --- a/gcc/configure.ac +++ b/gcc/configure.ac @@ -1114,20 +1114,10 @@ AC_ARG_ENABLE(sjlj-exceptions, AC_DEFINE_UNQUOTED(CONFIG_SJLJ_EXCEPTIONS, $sjlj, [Define 0/1 to force the choice for exception handling model.])]) -if test x$host = x$target; then - AC_CHECK_LIB(unwind, main, use_libunwind_default=yes, use_libunwind_default=no) -else - use_libunwind_default=no -fi -# Use libunwind based exception handling. -AC_ARG_ENABLE(libunwind-exceptions, -[ --enable-libunwind-exceptions force use libunwind for exceptions], -use_libunwind_exceptions=$enableval, -use_libunwind_exceptions=$use_libunwind_default) -if test x"$use_libunwind_exceptions" = xyes; then - AC_DEFINE(USE_LIBUNWIND_EXCEPTIONS, 1, - [Define if gcc should use -lunwind.]) -fi +# For platforms with the unwind ABI which includes an unwind library, +# libunwind, we can choose to use the system libunwind. +AC_ARG_WITH(system-libunwind, +[ --with-system-libunwind use installed libunwind]) # -------------------------------------------------------- # Build, host, and target specific configuration fragments |