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CheckCCompilerFlag: Generalize "but not for C" case (#12633) 

The "warning: " part is not necessary.  The case can happen on any GNU
compiler, not just an Apple version.
This commit is contained in:
Brad King 2011-12-22 09:39:25 -05:00
parent 4e98500012
commit 646cf91932
1 changed files with 2 additions and 3 deletions
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5
Modules/CheckCCompilerFlag.cmake
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@ -7,7 +7,7 @@
# that can modify the build. # that can modify the build.
#============================================================================= #=============================================================================
# Copyright 2006-2010 Kitware, Inc. # Copyright 2006-2011 Kitware, Inc.
# Copyright 2006 Alexander Neundorf <neundorf@kde.org> # Copyright 2006 Alexander Neundorf <neundorf@kde.org>
# #
# Distributed under the OSI-approved BSD License (the "License"); # Distributed under the OSI-approved BSD License (the "License");
@ -27,8 +27,7 @@ MACRO (CHECK_C_COMPILER_FLAG _FLAG _RESULT)
SET(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}") SET(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}")
CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${_RESULT} CHECK_C_SOURCE_COMPILES("int main(void) { return 0; }" ${_RESULT}
# Some compilers do not fail with a bad flag # Some compilers do not fail with a bad flag
FAIL_REGEX "warning: command line option .* is valid for .* but not for C" FAIL_REGEX "command line option .* is valid for .* but not for C" # GNU
# Apple gcc
FAIL_REGEX "unrecognized .*option" # GNU FAIL_REGEX "unrecognized .*option" # GNU
FAIL_REGEX "unknown .*option" # Clang FAIL_REGEX "unknown .*option" # Clang
FAIL_REGEX "ignoring unknown option" # MSVC FAIL_REGEX "ignoring unknown option" # MSVC