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authorBrad King <brad.king@kitware.com>2009-09-17 19:29:01 (GMT)
committerBrad King <brad.king@kitware.com>2009-09-17 19:29:01 (GMT)
commitca76645ab7f235fdad652fcff7ad9a899bc12424 (patch)
tree53e3933b541867d9b091e811f608288aead5141b /Modules/CheckCSourceCompiles.cmake
parent80af3ae35ddb2ff79d64d7183d901a95d05d661d (diff)
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Add FAIL_REGEX to CHECK_(C|CXX)_SOURCE_COMPILES
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.
Diffstat (limited to 'Modules/CheckCSourceCompiles.cmake')
-rw-r--r--Modules/CheckCSourceCompiles.cmake21
1 files changed, 20 insertions, 1 deletions
diff --git a/Modules/CheckCSourceCompiles.cmake b/Modules/CheckCSourceCompiles.cmake
index 41de73b..3c32487 100644
--- a/Modules/CheckCSourceCompiles.cmake
+++ b/Modules/CheckCSourceCompiles.cmake
@@ -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")