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Add FAIL_REGEX to CHECK_(C|CXX)_SOURCE_COMPILES

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This teaches the CHECK_C_SOURCE_COMPILES and CHECK_CXX_SOURCE_COMPILES
macros to recognize a FAIL_REGEX option.  If they see the regular
expression in the output of the test compilation, the check fails.
This commit is contained in:
Brad King 2009-09-17 15:29:01 -04:00
parent 80af3ae35d
commit ca76645ab7
2 changed files with 41 additions and 2 deletions
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21
Modules/CheckCSourceCompiles.cmake
View File

@ -1,7 +1,8 @@
# - Check if the given C source code compiles.
# CHECK_C_SOURCE_COMPILES(<code> <var>)
# CHECK_C_SOURCE_COMPILES(<code> <var> [FAIL_REGEX <fail-regex>])
# <code> - source code to try to compile
# <var> - variable to store whether the source code compiled
# <fail-regex> - fail if test output matches this regex
# The following variables may be set before calling this macro to
# modify the way the check is run:
#
@ -12,6 +13,17 @@
MACRO(CHECK_C_SOURCE_COMPILES SOURCE VAR)
IF("${VAR}" MATCHES "^${VAR}$")
SET(_FAIL_REGEX)
SET(_key)
FOREACH(arg ${ARGN})
IF("${arg}" MATCHES "^(FAIL_REGEX)$")
SET(_key "${arg}")
ELSEIF(_key)
LIST(APPEND _${_key} "${arg}")
ELSE()
MESSAGE(FATAL_ERROR "Unknown argument:\n ${arg}\n")
ENDIF()
ENDFOREACH()
SET(MACRO_CHECK_FUNCTION_DEFINITIONS
"-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
IF(CMAKE_REQUIRED_LIBRARIES)
@ -38,6 +50,13 @@ MACRO(CHECK_C_SOURCE_COMPILES SOURCE VAR)
"${CHECK_C_SOURCE_COMPILES_ADD_LIBRARIES}"
"${CHECK_C_SOURCE_COMPILES_ADD_INCLUDES}"
OUTPUT_VARIABLE OUTPUT)
FOREACH(_regex ${_FAIL_REGEX})
IF("${OUTPUT}" MATCHES "${_regex}")
SET(${VAR} 0)
ENDIF()
ENDFOREACH()
IF(${VAR})
SET(${VAR} 1 CACHE INTERNAL "Test ${VAR}")
MESSAGE(STATUS "Performing Test ${VAR} - Success")

22
Modules/CheckCXXSourceCompiles.cmake
View File

@ -1,7 +1,8 @@
# - Check if the given C++ source code compiles.
# CHECK_CXX_SOURCE_COMPILES(<code> <var>)
# CHECK_CXX_SOURCE_COMPILES(<code> <var> [FAIL_REGEX <fail-regex>])
# <code> - source code to try to compile
# <var> - variable to store whether the source code compiled
# <fail-regex> - fail if test output matches this regex
# The following variables may be set before calling this macro to
# modify the way the check is run:
#
@ -12,6 +13,18 @@
MACRO(CHECK_CXX_SOURCE_COMPILES SOURCE VAR)
IF("${VAR}" MATCHES "^${VAR}$")
SET(_FAIL_REGEX)
SET(_key)
FOREACH(arg ${ARGN})
IF("${arg}" MATCHES "^(FAIL_REGEX)$")
SET(_key "${arg}")
ELSEIF(_key)
LIST(APPEND _${_key} "${arg}")
ELSE()
MESSAGE(FATAL_ERROR "Unknown argument:\n ${arg}\n")
ENDIF()
ENDFOREACH()
SET(MACRO_CHECK_FUNCTION_DEFINITIONS
"-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
IF(CMAKE_REQUIRED_LIBRARIES)
@ -38,6 +51,13 @@ MACRO(CHECK_CXX_SOURCE_COMPILES SOURCE VAR)
"${CHECK_CXX_SOURCE_COMPILES_ADD_LIBRARIES}"
"${CHECK_CXX_SOURCE_COMPILES_ADD_INCLUDES}"
OUTPUT_VARIABLE OUTPUT)
FOREACH(_regex ${_FAIL_REGEX})
IF("${OUTPUT}" MATCHES "${_regex}")
SET(${VAR} 0)
ENDIF()
ENDFOREACH()
IF(${VAR})
SET(${VAR} 1 CACHE INTERNAL "Test ${VAR}")
MESSAGE(STATUS "Performing Test ${VAR} - Success")