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GNU-DetermineCompiler: Add support for very old versions of GCC

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Very old versions of gcc (2.3.1) do not define __GNUC_MINOR__.

Signed-off-by: Kars de Jong <kars.dejong@locamation.nl>
This commit is contained in:
Kars de Jong
2015-08-13 13:33:37 +02:00
committed by Brad King
parent fb3035a92c
commit 6699834d62
1 changed files with 3 additions and 1 deletions
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4
Modules/Compiler/GNU-DetermineCompiler.cmake
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@@ -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")