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authorKars de Jong <kars.dejong@locamation.nl>2015-08-13 11:33:37 (GMT)
committerBrad King <brad.king@kitware.com>2015-08-13 15:07:03 (GMT)
commit6699834d6298eabe53f2c15d051fbe16cc9014c3 (patch)
tree1c93d705bb8d588e13fd83e4d047aae6edcd2429 /Modules/Compiler/GNU-DetermineCompiler.cmake
parentfb3035a92c9c7038d0c5fdc3fd8268ac371d673b (diff)
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GNU-DetermineCompiler: Add support for very old versions of GCC
Very old versions of gcc (2.3.1) do not define __GNUC_MINOR__. Signed-off-by: Kars de Jong <kars.dejong@locamation.nl>
Diffstat (limited to 'Modules/Compiler/GNU-DetermineCompiler.cmake')
-rw-r--r--Modules/Compiler/GNU-DetermineCompiler.cmake4
1 files changed, 3 insertions, 1 deletions
diff --git a/Modules/Compiler/GNU-DetermineCompiler.cmake b/Modules/Compiler/GNU-DetermineCompiler.cmake
index 261f148..6ddc566 100644
--- a/Modules/Compiler/GNU-DetermineCompiler.cmake
+++ b/Modules/Compiler/GNU-DetermineCompiler.cmake
@@ -3,7 +3,9 @@ set(_compiler_id_pp_test "defined(__GNUC__)")
set(_compiler_id_version_compute "
# define @PREFIX@COMPILER_VERSION_MAJOR @MACRO_DEC@(__GNUC__)
-# define @PREFIX@COMPILER_VERSION_MINOR @MACRO_DEC@(__GNUC_MINOR__)
+# if defined(__GNUC_MINOR__)
+# define @PREFIX@COMPILER_VERSION_MINOR @MACRO_DEC@(__GNUC_MINOR__)
+# endif
# if defined(__GNUC_PATCHLEVEL__)
# define @PREFIX@COMPILER_VERSION_PATCH @MACRO_DEC@(__GNUC_PATCHLEVEL__)
# endif")