src/CMakeLists.txt: enable _GLIBCXX_ASSERTIONS in debug builds

We already enable this by default in our rpm builds.  Adding it here as
well increases the odds we'll catch things with make check and local
testing.

Signed-off-by: Samuel Just <sjust@redhat.com>

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index bb22331d38e1b6ef100fe01de1064c934d834654..a1a82845cb4b6eec227369dd6ef4bb68a274c8e9 100644 (file)
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -108,6 +108,11 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL GNU)
   endif()
 endif(CMAKE_CXX_COMPILER_ID STREQUAL GNU)
 
+CHECK_C_COMPILER_FLAG("-D_GLIBCXX_ASSERTIONS" HAS_GLIBCXX_ASSERTIONS)
+if(HAS_GLIBCXX_ASSERTIONS AND CMAKE_BUILD_TYPE STREQUAL Debug)
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_GLIBCXX_ASSERTIONS")
+endif()
+
 include(SIMDExt)
 if(HAVE_INTEL)
   set(CMAKE_ASM_COMPILER  ${PROJECT_SOURCE_DIR}/src/yasm-wrapper)