diff options
| -rw-r--r-- | Modules/CheckIncludeFile.c.in | 14 | ||||
| -rw-r--r-- | Modules/CheckIncludeFile.cmake | 26 |
2 files changed, 40 insertions, 0 deletions
diff --git a/Modules/CheckIncludeFile.c.in b/Modules/CheckIncludeFile.c.in new file mode 100644 index 0000000000..5f0f466326 --- /dev/null +++ b/Modules/CheckIncludeFile.c.in @@ -0,0 +1,14 @@ +#ifdef CHECK_INCLUDE_FILE + +#include <${CHECK_INCLUDE_FILE_VAR}> + +int main() +{ + return 0; +} + +#else /* CHECK_INCLUDE_FILE */ + +# error "CHECK_INCLUDE_FILE has to specify the include file" + +#endif /* CHECK_INCLUDE_FILE */ diff --git a/Modules/CheckIncludeFile.cmake b/Modules/CheckIncludeFile.cmake new file mode 100644 index 0000000000..f88c7caf61 --- /dev/null +++ b/Modules/CheckIncludeFile.cmake @@ -0,0 +1,26 @@ +# +# Check if the include file exists. +# +# CHECK_INCLUDE_FILE - macro which checks the include file exists. +# INCLUDE - name of include file +# VARIABLE - variable to return result +# + +MACRO(CHECK_INCLUDE_FILE INCLUDE VARIABLE) + SET(CHECK_INCLUDE_FILE_VAR ${INCLUDE}) + CONFIGURE_FILE(${CMAKE_ROOT}/Modules/CheckIncludeFile.c.in + ${PROJECT_BINARY_DIR}/CheckIncludeFile.c IMMEDIATE) + TRY_COMPILE(COMPILE_OK + ${PROJECT_BINARY_DIR} + ${PROJECT_BINARY_DIR}/CheckIncludeFile.c + COMPILE_DEFINITIONS -DCHECK_INCLUDE_FILE="${INCLUDE}" + OUTPUT_VARIABLE OUTPUT) + IF(COMPILE_OK) + SET(${VARIABLE} ${COMPILE_OK}) + ELSE(COMPILE_OK) + WRITE_FILE(${PROJECT_BINARY_DIR}/CMakeError.log + "Determining if the include file ${INCLUDE} " + "exists failed with the following output:\n" + "${OUTPUT}\n") + ENDIF(COMPILE_OK) +ENDMACRO(CHECK_INCLUDE_FILE) |