Check*CompilerFlag: Refactor method used to pass flags

Refactor the Check*CompilerFlag modules to pass the flags to
Check*SourceCompiles using CMAKE_REQUIRED_FLAGS instead of
CMAKE_REQUIRED_DEFINITIONS.  Both end up being used, but the variable
for "FLAGS" is more precise.
This commit is contained in:
Mark Abraham 2015-02-24 14:20:16 +01:00 committed by Brad King
parent ac80f0f95f
commit 5d5067ae57
3 changed files with 12 additions and 12 deletions

View File

@ -13,7 +13,7 @@
# Will be created as an internal cache variable.
#
# This internally calls the check_c_source_compiles macro and sets
# CMAKE_REQUIRED_DEFINITIONS to <flag>. See help for
# CMAKE_REQUIRED_FLAGS to <flag>. See help for
# CheckCSourceCompiles for a listing of variables that can otherwise
# modify the build. The result only tells that the compiler does not
# give an error message when it encounters the flag. If the flag has
@ -38,8 +38,8 @@ include(CheckCSourceCompiles)
include(CMakeCheckCompilerFlagCommonPatterns)
macro (CHECK_C_COMPILER_FLAG _FLAG _RESULT)
set(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}")
set(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}")
set(SAFE_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
set(CMAKE_REQUIRED_FLAGS "${_FLAG}")
# Normalize locale during test compilation.
set(_CheckCCompilerFlag_LOCALE_VARS LC_ALL LC_MESSAGES LANG)
@ -60,5 +60,5 @@ macro (CHECK_C_COMPILER_FLAG _FLAG _RESULT)
unset(_CheckCCompilerFlag_LOCALE_VARS)
unset(_CheckCCompilerFlag_COMMON_PATTERNS)
set (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}")
set (CMAKE_REQUIRED_FLAGS "${SAFE_CMAKE_REQUIRED_FLAGS}")
endmacro ()

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@ -12,7 +12,7 @@
# <var> - variable to store the result
#
# This internally calls the check_cxx_source_compiles macro and sets
# CMAKE_REQUIRED_DEFINITIONS to <flag>. See help for
# CMAKE_REQUIRED_FLAGS to <flag>. See help for
# CheckCXXSourceCompiles for a listing of variables that can otherwise
# modify the build. The result only tells that the compiler does not
# give an error message when it encounters the flag. If the flag has
@ -37,8 +37,8 @@ include(CheckCXXSourceCompiles)
include(CMakeCheckCompilerFlagCommonPatterns)
macro (CHECK_CXX_COMPILER_FLAG _FLAG _RESULT)
set(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}")
set(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}")
set(SAFE_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
set(CMAKE_REQUIRED_FLAGS "${_FLAG}")
# Normalize locale during test compilation.
set(_CheckCXXCompilerFlag_LOCALE_VARS LC_ALL LC_MESSAGES LANG)
@ -59,6 +59,6 @@ macro (CHECK_CXX_COMPILER_FLAG _FLAG _RESULT)
unset(_CheckCXXCompilerFlag_LOCALE_VARS)
unset(_CheckCXXCompilerFlag_COMMON_PATTERNS)
set (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}")
set (CMAKE_REQUIRED_FLAGS "${SAFE_CMAKE_REQUIRED_FLAGS}")
endmacro ()

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@ -13,7 +13,7 @@
# Will be created as an internal cache variable.
#
# This internally calls the check_fortran_source_compiles macro and
# sets CMAKE_REQUIRED_DEFINITIONS to <flag>. See help for
# sets CMAKE_REQUIRED_FLAGS to <flag>. See help for
# CheckFortranSourceCompiles for a listing of variables that can
# otherwise modify the build. The result only tells that the compiler
# does not give an error message when it encounters the flag. If the
@ -40,8 +40,8 @@ include(CheckFortranSourceCompiles)
include(CMakeCheckCompilerFlagCommonPatterns)
macro (CHECK_Fortran_COMPILER_FLAG _FLAG _RESULT)
set(SAFE_CMAKE_REQUIRED_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}")
set(CMAKE_REQUIRED_DEFINITIONS "${_FLAG}")
set(SAFE_CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
set(CMAKE_REQUIRED_FLAGS "${_FLAG}")
# Normalize locale during test compilation.
set(_CheckFortranCompilerFlag_LOCALE_VARS LC_ALL LC_MESSAGES LANG)
@ -62,5 +62,5 @@ macro (CHECK_Fortran_COMPILER_FLAG _FLAG _RESULT)
unset(_CheckFortranCompilerFlag_LOCALE_VARS)
unset(_CheckFortranCompilerFlag_COMMON_PATTERNS)
set (CMAKE_REQUIRED_DEFINITIONS "${SAFE_CMAKE_REQUIRED_DEFINITIONS}")
set (CMAKE_REQUIRED_FLAGS "${SAFE_CMAKE_REQUIRED_FLAGS}")
endmacro ()