diff options
| author | torvald <torvald@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-01-15 22:42:41 +0000 |
|---|---|---|
| committer | torvald <torvald@138bc75d-0d04-0410-961f-82ee72b054a4> | 2016-01-15 22:42:41 +0000 |
| commit | 13143e139230dc4d72710a6c4c312105aeddce4f (patch) | |
| tree | 2a0e76101e1e20d6aaa161901261dee89f905afb /libstdc++-v3/acinclude.m4 | |
| parent | e390c57d60cfee5ff4889489a6afaf4bda7cb32c (diff) | |
libstdc++: Make certain exceptions transaction_safe.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232454 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'libstdc++-v3/acinclude.m4')
| -rw-r--r-- | libstdc++-v3/acinclude.m4 | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4 index b76e8d51b96..1e256603a29 100644 --- a/libstdc++-v3/acinclude.m4 +++ b/libstdc++-v3/acinclude.m4 @@ -2594,6 +2594,8 @@ AC_DEFUN([GLIBCXX_ENABLE_ALLOCATOR], [ ;; esac + GLIBCXX_CONDITIONAL(ENABLE_ALLOCATOR_NEW, + test $enable_libstdcxx_allocator_flag = new) AC_SUBST(ALLOCATOR_H) AC_SUBST(ALLOCATOR_NAME) ]) @@ -4344,6 +4346,34 @@ dnl AC_LANG_RESTORE ]) +dnl +dnl Check how size_t is mangled. Copied from libitm. +dnl +AC_DEFUN([GLIBCXX_CHECK_SIZE_T_MANGLING], [ + AC_CACHE_CHECK([how size_t is mangled], + glibcxx_cv_size_t_mangling, [ + AC_TRY_COMPILE([], [extern __SIZE_TYPE__ x; extern unsigned long x;], + [glibcxx_cv_size_t_mangling=m], [ + AC_TRY_COMPILE([], [extern __SIZE_TYPE__ x; extern unsigned int x;], + [glibcxx_cv_size_t_mangling=j], [ + AC_TRY_COMPILE([], + [extern __SIZE_TYPE__ x; extern unsigned long long x;], + [glibcxx_cv_size_t_mangling=y], [ + AC_TRY_COMPILE([], + [extern __SIZE_TYPE__ x; extern unsigned short x;], + [glibcxx_cv_size_t_mangling=t], + [glibcxx_cv_size_t_mangling=x]) + ]) + ]) + ]) + ]) + if test $glibcxx_cv_size_t_mangling = x; then + AC_MSG_ERROR([Unknown underlying type for size_t]) + fi + AC_DEFINE_UNQUOTED(_GLIBCXX_MANGLE_SIZE_T, [$glibcxx_cv_size_t_mangling], + [Define to the letter to which size_t is mangled.]) +]) + # Macros from the top-level gcc directory. m4_include([../config/gc++filt.m4]) m4_include([../config/tls.m4]) |