From 6699834d6298eabe53f2c15d051fbe16cc9014c3 Mon Sep 17 00:00:00 2001 From: Kars de Jong Date: Thu, 13 Aug 2015 13:33:37 +0200 Subject: [PATCH] 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 --- Modules/Compiler/GNU-DetermineCompiler.cmake | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Modules/Compiler/GNU-DetermineCompiler.cmake b/Modules/Compiler/GNU-DetermineCompiler.cmake index 261f148cd..6ddc56698 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")