diff options
Diffstat (limited to 'libstdc++-v3/acinclude.m4')
| -rw-r--r-- | libstdc++-v3/acinclude.m4 | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libstdc++-v3/acinclude.m4 b/libstdc++-v3/acinclude.m4 index d32c799..716dab5 100644 --- a/libstdc++-v3/acinclude.m4 +++ b/libstdc++-v3/acinclude.m4 @@ -1685,7 +1685,7 @@ AC_DEFUN([GLIBCXX_ENABLE_SYMVERS], [ GLIBCXX_ENABLE(symvers,$1,[=STYLE], [enables symbol versioning of the shared library], - [permit yes|no|gnu|darwin|darwin-export]) + [permit yes|no|gnu|gnu-versioned-namespace|darwin|darwin-export]) # If we never went through the GLIBCXX_CHECK_LINKER_FEATURES macro, then we # don't know enough about $LD to do tricks... @@ -1715,7 +1715,7 @@ if test x$enable_symvers = xdarwin-export ; then fi # Check to see if 'gnu' can win. -if test $enable_symvers = gnu; then +if test $enable_symvers = gnu || test $enable_symvers = gnu-versioned-namespace; then # Check to see if libgcc_s exists, indicating that shared libgcc is possible. AC_MSG_CHECKING([for shared libgcc]) ac_save_CFLAGS="$CFLAGS" @@ -1778,6 +1778,11 @@ case $enable_symvers in AC_DEFINE(_GLIBCXX_SYMVER_GNU, 1, [Define to use GNU versioning in the shared library.]) ;; + gnu-versioned-namespace) + SYMVER_FILE=config/abi/pre/gnu-versioned-namespace.ver + AC_DEFINE(_GLIBCXX_SYMVER_GNU_NAMESPACE, 1, + [Define to use GNU namespace versioning in the shared library.]) + ;; darwin) SYMVER_FILE=config/abi/pre/gnu.ver AC_DEFINE(_GLIBCXX_SYMVER_DARWIN, 1, @@ -1794,6 +1799,7 @@ AC_SUBST(SYMVER_FILE) AC_SUBST(port_specific_symbol_files) GLIBCXX_CONDITIONAL(ENABLE_SYMVERS, test $enable_symvers != no) GLIBCXX_CONDITIONAL(ENABLE_SYMVERS_GNU, test $enable_symvers = gnu) +GLIBCXX_CONDITIONAL(ENABLE_SYMVERS_GNU_NAMESPACE, test $enable_symvers = gnu-versioned-namespace) GLIBCXX_CONDITIONAL(ENABLE_SYMVERS_DARWIN, test $enable_symvers = darwin) AC_MSG_NOTICE(versioning on shared library symbols is $enable_symvers) |