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Diffstat (limited to 'cmake')
-rw-r--r--cmake/Modules/DefineCompilerFlags.cmake2
1 files changed, 1 insertions, 1 deletions
diff --git a/cmake/Modules/DefineCompilerFlags.cmake b/cmake/Modules/DefineCompilerFlags.cmake
index d2315721..0283b12f 100644
--- a/cmake/Modules/DefineCompilerFlags.cmake
+++ b/cmake/Modules/DefineCompilerFlags.cmake
@@ -26,7 +26,7 @@ if (UNIX AND NOT WIN32)
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -fstack-protector")
endif (WITH_STACK_PROTECTOR)
- string(TOLOWER ${CMAKE_BUILD_TYPE} CMAKE_BUILD_TYPE_LOWER)
+ string(TOLOWER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_LOWER)
if (NOT CMAKE_BUILD_TYPE_LOWER MATCHES debug)
check_c_compiler_flag("-D_FORTIFY_SOURCE=2" WITH_FORTIFY_SOURCE)
if (WITH_FORTIFY_SOURCE)