diff options
| author | bkoz <bkoz@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-03-19 19:50:30 +0000 |
|---|---|---|
| committer | bkoz <bkoz@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-03-19 19:50:30 +0000 |
| commit | 4306c661e7615ac496f9d9343ea12902705c443c (patch) | |
| tree | 554e44178594b83e3cc273931c9adf87d642498f /libstdc++-v3/acinclude.m4 | |
| parent | 8abd1171601d33e922bb21829e27117aacb6baa5 (diff) | |
| download | gcc-4306c661e7615ac496f9d9343ea12902705c443c.tar.gz | |
2002-03-19 Steve Ellcey <sje@cup.hp.com>
* acinclude.m4 (GLIBCPP_ENABLE_LIBUNWIND_EXCEPTIONS): Define
GLIBCPP_ENABLE_LIBUNWIND_EXCEPTIONS to set LIBUNWIND_FLAG if
--enable-libunwind-exceptions is set.
* configure.in (GLIBCPP_ENABLE_LIBUNWIND_EXCEPTIONS): Call new
macro to check for libunwind.
* configure: Regenerate.
* src/Makefile.am (libstdc___la_LDFLAGS): Add
LIBUNWIND_FLAG to libstdc link line.
* src/Makefile.in: Regenerate.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@51035 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/acinclude.m4')
| -rw-r--r-- | libstdc++-v3/acinclude.m4 | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4 index 65894e64bc4..9865cfba855 100644 --- a/libstdc++-v3/acinclude.m4 +++ b/libstdc++-v3/acinclude.m4 @@ -1409,6 +1409,35 @@ EOF dnl +dnl Check for libunwind exception handling support. If enabled then +dnl we assume that the _Unwind_* functions that make up the Unwind ABI +dnl (_Unwind_RaiseException, _Unwind_Resume, etc.) are defined by +dnl libunwind instead of libgcc and that libstdc++ has a dependency +dnl on libunwind as well as libgcc. +dnl +dnl GLIBCPP_ENABLE_LIBUNWIND_EXCEPTIONS +dnl --enable-libunwind-exceptions forces the use of libunwind. +dnl --disable-libunwind-exceptions assumes there is no libunwind. +dnl +dnl Define _GLIBCPP_LIBUNWIND_EXCEPTIONS if requested. +dnl +AC_DEFUN(GLIBCPP_ENABLE_LIBUNWIND_EXCEPTIONS, [ + AC_MSG_CHECKING([for use of libunwind]) + AC_ARG_ENABLE(libunwind-exceptions, + [ --enable-libunwind-exceptions force use of libunwind for exceptions], + use_libunwind_exceptions=$enableval, + use_libunwind_exceptions=no) + AC_MSG_RESULT($use_libunwind_exceptions) + dnl Option parsed, now set things appropriately + if test x"$use_libunwind_exceptions" = xyes; then + LIBUNWIND_FLAG="-lunwind" + else + LIBUNWIND_FLAG="" + fi + AC_SUBST(LIBUNWIND_FLAG) +]) + +dnl dnl Check for ISO/IEC 9899:1999 "C99" support. dnl dnl GLIBCPP_ENABLE_C99 |