diff options
Diffstat (limited to 'package/protobuf/0001-configure.ac-check-if-libatomic-is-needed.patch')
| -rw-r--r-- | package/protobuf/0001-configure.ac-check-if-libatomic-is-needed.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/package/protobuf/0001-configure.ac-check-if-libatomic-is-needed.patch b/package/protobuf/0001-configure.ac-check-if-libatomic-is-needed.patch new file mode 100644 index 0000000000..fffdf49fac --- /dev/null +++ b/package/protobuf/0001-configure.ac-check-if-libatomic-is-needed.patch @@ -0,0 +1,34 @@ +From f020fe05a20dfcd16cd7df833dcf3cdeef770538 Mon Sep 17 00:00:00 2001 +From: Carlos Santos <casantos@datacom.ind.br> +Date: Thu, 11 Feb 2016 10:58:35 -0200 +Subject: [PATCH 2/2] configure.ac: check if libatomic is needed + +Compilation of protobuf for PowerPC and SPARC may fail due to missing +references to __atomic_fetch_add_4 and __atomic_compare_exchange_4. + +The __atomic_*() intrinsics for all sizes are provided by libatomic when +gcc is >= 4.8. This can be achieved by adding this to configure.ac: + + AC_SEARCH_LIBS([__atomic_fetch_add_4], [atomic]) + +Signed-off-by: Carlos Santos <casantos@datacom.ind.br> +--- + configure.ac | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/configure.ac b/configure.ac +index c07067c..88d4a0d 100644 +--- a/configure.ac ++++ b/configure.ac +@@ -160,6 +160,8 @@ AM_CONDITIONAL([HAVE_PTHREAD], [test "x$acx_pthread_ok" = "xyes"]) + # We still keep this for improving pbconfig.h for unsupported platforms. + AC_CXX_STL_HASH + ++AC_SEARCH_LIBS([__atomic_load_4], [atomic]) ++ + case "$target_os" in + mingw* | cygwin* | win*) + ;; +-- +2.5.0 + |
