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Fix CHECK_(C|CXX)_COMPILER_FLAG for HP 

This compiler warns and returns 0 for unrecognized flags.  We fix the
compiler flag check macros by looking for a warning in the output.
See issue #9516.
This commit is contained in:
Brad King 2009-09-17 17:16:43 -04:00
parent 6362d4c743
commit 53fb07ef5d
2 changed files with 2 additions and 0 deletions
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1
Modules/CheckCCompilerFlag.cmake
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@ -21,6 +21,7 @@ MACRO (CHECK_C_COMPILER_FLAG _FLAG _RESULT)
# Some compilers do not fail with a bad flag
FAIL_REGEX "unrecognized option" # GNU
FAIL_REGEX "ignoring unknown option" # MSVC
FAIL_REGEX "[Uu]nknown option" # HP
)
SET (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}")
ENDMACRO (CHECK_C_COMPILER_FLAG)

1
Modules/CheckCXXCompilerFlag.cmake
View File

@ -21,6 +21,7 @@ MACRO (CHECK_CXX_COMPILER_FLAG _FLAG _RESULT)
# Some compilers do not fail with a bad flag
FAIL_REGEX "unrecognized option" # GNU
FAIL_REGEX "ignoring unknown option" # MSVC
FAIL_REGEX "[Uu]nknown option" # HP
)
SET (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}")
ENDMACRO (CHECK_CXX_COMPILER_FLAG)