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ENH: Add option of adding random include files before doing CheckTypeSize

This commit is contained in:
Andy Cedilnik 2004-10-05 08:33:08 -04:00
parent b1a1526e14
commit 518de19f74
2 changed files with 14 additions and 2 deletions
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4
Modules/CheckTypeSize.c → Modules/CheckTypeSize.c.in
View File

@ -1,5 +1,7 @@
#ifdef CHECK_TYPE_SIZE_TYPE
@CHECK_TYPE_SIZE_PREINCLUDE@
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif /* HAVE_SYS_TYPES_H */
@ -12,6 +14,8 @@
# include <stddef.h>
#endif /* HAVE_STDDEF_H */
@CHECK_TYPE_SIZE_PREMAIN@
#ifdef __CLASSIC_C__
int main(){
int ac;

12
Modules/CheckTypeSize.cmake
View File

@ -18,6 +18,14 @@ MACRO(CHECK_TYPE_SIZE TYPE VARIABLE)
"${MACRO_CHECK_TYPE_SIZE_FLAGS} -D${def}")
ENDIF("${def}")
ENDFOREACH(def)
SET(CHECK_TYPE_SIZE_PREMAIN)
FOREACH(def ${CMAKE_EXTRA_INCLUDE_FILES})
SET(CHECK_TYPE_SIZE_PREMAIN "${CHECK_TYPE_SIZE_PREMAIN}#include \"${def}\"\n")
ENDFOREACH(def)
CONFIGURE_FILE("${CMAKE_ROOT}/Modules/CheckTypeSize.c.in"
"${CMAKE_BINARY_DIR}/CMakeTmp/CheckTypeSize.c" IMMEDIATE @ONLY)
FILE(READ "${CMAKE_BINARY_DIR}/CMakeTmp/CheckTypeSize.c"
CHECK_TYPE_SIZE_FILE_CONTENT)
MESSAGE(STATUS "Check size of ${TYPE}")
IF(CMAKE_REQUIRED_LIBRARIES)
SET(CHECK_TYPE_SIZE_ADD_LIBRARIES
@ -25,7 +33,7 @@ MACRO(CHECK_TYPE_SIZE TYPE VARIABLE)
ENDIF(CMAKE_REQUIRED_LIBRARIES)
TRY_RUN(${VARIABLE} HAVE_${VARIABLE}
${CMAKE_BINARY_DIR}
${CMAKE_ROOT}/Modules/CheckTypeSize.c
"${CMAKE_BINARY_DIR}/CMakeTmp/CheckTypeSize.c"
CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_TYPE_SIZE_FLAGS}
"${CHECK_TYPE_SIZE_ADD_LIBRARIES}"
OUTPUT_VARIABLE OUTPUT)
@ -36,7 +44,7 @@ MACRO(CHECK_TYPE_SIZE TYPE VARIABLE)
ELSE(HAVE_${VARIABLE})
MESSAGE(STATUS "Check size of ${TYPE} - failed")
FILE(APPEND ${CMAKE_BINARY_DIR}/CMakeError.log
"Determining size of ${TYPE} failed with the following output:\n${OUTPUT}\n\n")
"Determining size of ${TYPE} failed with the following output:\n${OUTPUT}\nCheckTypeSize.c:\n${CHECK_TYPE_SIZE_FILE_CONTENT}\n\n")
ENDIF(HAVE_${VARIABLE})
ENDIF("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$")
SET(CMAKE_ALLOW_UNKNOWN_VARIABLE_READ_ACCESS )