summaryrefslogtreecommitdiffstats
path: root/Modules/CheckCSourceRuns.cmake
diff options
context:
space:
mode:
Diffstat (limited to 'Modules/CheckCSourceRuns.cmake')
-rw-r--r--Modules/CheckCSourceRuns.cmake28
1 files changed, 19 insertions, 9 deletions
diff --git a/Modules/CheckCSourceRuns.cmake b/Modules/CheckCSourceRuns.cmake
index d843e9a..35d2cef 100644
--- a/Modules/CheckCSourceRuns.cmake
+++ b/Modules/CheckCSourceRuns.cmake
@@ -13,7 +13,7 @@
# CMAKE_REQUIRED_LIBRARIES = list of libraries to link
MACRO(CHECK_C_SOURCE_RUNS SOURCE VAR)
- IF("${VAR}" MATCHES "^${VAR}$")
+ IF("${VAR}" MATCHES "^${VAR}$" OR "${VAR}" MATCHES "UNKNOWN")
SET(MACRO_CHECK_FUNCTION_DEFINITIONS
"-D${VAR} ${CMAKE_REQUIRED_FLAGS}")
IF(CMAKE_REQUIRED_LIBRARIES)
@@ -28,9 +28,20 @@ MACRO(CHECK_C_SOURCE_RUNS SOURCE VAR)
ELSE(CMAKE_REQUIRED_INCLUDES)
SET(CHECK_C_SOURCE_COMPILES_ADD_INCLUDES)
ENDIF(CMAKE_REQUIRED_INCLUDES)
- FILE(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src.c"
- "${SOURCE}\n")
+ SET(src "")
+ FOREACH(def ${EXTRA_DEFINES})
+ SET(src "${src}#define ${def} 1\n")
+ ENDFOREACH(def)
+ FOREACH(inc ${HEADER_INCLUDES})
+ SET(src "${src}#include <${inc}>\n")
+ ENDFOREACH(inc)
+ SET(src "${src}\nint main() { ${SOURCE} ; return 0; }")
+ FILE(WRITE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/src2.c"
+ "${src}\n")
+ EXEC_PROGRAM("${CMAKE_COMMAND}"
+ "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp"
+ ARGS -E copy src2.c src.c)
MESSAGE(STATUS "Performing Test ${VAR}")
TRY_RUN(${VAR} ${VAR}_COMPILED
${CMAKE_BINARY_DIR}
@@ -49,20 +60,19 @@ MACRO(CHECK_C_SOURCE_RUNS SOURCE VAR)
IF("${result_var}" EQUAL 0)
SET(${VAR} 1 CACHE INTERNAL "Test ${VAR}")
MESSAGE(STATUS "Performing Test ${VAR} - Success")
- FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Performing C SOURCE FILE Test ${VAR} succeded with the following output:\n"
"${OUTPUT}\n"
"Return value: ${${VAR}}\n"
- "Source file was:\n${SOURCE}\n")
+ "Source file was:\n${src}\n")
ELSE("${result_var}" EQUAL 0)
MESSAGE(STATUS "Performing Test ${VAR} - Failed")
SET(${VAR} "" CACHE INTERNAL "Test ${VAR}")
- FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
+ FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Performing C SOURCE FILE Test ${VAR} failed with the following output:\n"
"${OUTPUT}\n"
"Return value: ${result_var}\n"
- "Source file was:\n${SOURCE}\n")
+ "Source file was:\n${src}\n")
ENDIF("${result_var}" EQUAL 0)
- ENDIF("${VAR}" MATCHES "^${VAR}$")
+ ENDIF("${VAR}" MATCHES "^${VAR}$" OR "${VAR}" MATCHES "UNKNOWN")
ENDMACRO(CHECK_C_SOURCE_RUNS)
-