diff options
Diffstat (limited to 'libstdc++-v3/acinclude.m4')
| -rw-r--r-- | libstdc++-v3/acinclude.m4 | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4 index d68768ed150..72b90a80252 100644 --- a/libstdc++-v3/acinclude.m4 +++ b/libstdc++-v3/acinclude.m4 @@ -2285,6 +2285,38 @@ AC_DEFUN([GLIBCXX_ENABLE_EXTERN_TEMPLATE], [ ]) dnl +dnl Use vtable verification. +dnl +dnl --enable-vtable-verify defines _GLIBCXX_VTABLE_VERIFY to 1 +dnl --disable-vtable-verify defines _GLIBCXX_VTABLE_VERIFY to 0 + +dnl + Usage: GLIBCXX_ENABLE_VTABLE_VERIFY[(DEFAULT)] +dnl Where DEFAULT is `yes' or `no'. +dnl +AC_DEFUN([GLIBCXX_ENABLE_VTABLE_VERIFY], [ + + GLIBCXX_ENABLE(vtable-verify,$1,,[enable vtable verify]) + + AC_MSG_CHECKING([for vtable verify support]) + AC_MSG_RESULT([$enable_vtable_verify]) + + if test $enable_vtable_verify = yes; then + VTV_CXXFLAGS="-fvtable-verify=std -Wl,-u_vtable_map_vars_start,-u_vtable_map_vars_end" + VTV_PCH_CXXFLAGS="-fvtable-verify=std" + VTV_CXXLINKFLAGS="-L${toplevel_builddir}/libvtv/.libs -Wl,--rpath -Wl,${toplevel_builddir}/libvtv/.libs" + else + VTV_CXXFLAGS= + VTV_PCH_CXXFLAGS= + VTV_CXXLINKFLAGS= + fi + + AC_SUBST(VTV_CXXFLAGS) + AC_SUBST(VTV_PCH_CXXFLAGS) + AC_SUBST(VTV_CXXLINKFLAGS) + GLIBCXX_CONDITIONAL(ENABLE_VTABLE_VERIFY, test $enable_vtable_verify = yes) +]) + +dnl dnl Check for parallel mode pre-requisites, including OpenMP support. dnl dnl + Usage: GLIBCXX_ENABLE_PARALLEL |