blob: 0e7e364a8d7502f8758b030671ca09d00b411c69 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
# - Check sizeof a type
# CHECK_TYPE_SIZE(TYPE VARIABLE)
# Check if the type exists and determine size of type. if the type
# exists, the size will be stored to the variable.
# VARIABLE - variable to store size if the type exists.
# HAVE_${VARIABLE} - does the variable exists or not
# The following variables may be set before calling this macro to
# modify the way the check is run:
#
# CMAKE_REQUIRED_FLAGS = string of compile command line flags
# CMAKE_REQUIRED_DEFINITIONS = list of macros to define (-DFOO=bar)
# CMAKE_REQUIRED_INCLUDES = list of include directories
# CMAKE_REQUIRED_LIBRARIES = list of libraries to link
MACRO(CHECK_TYPE_SIZE TYPE VARIABLE)
IF("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$")
MESSAGE(STATUS "Check size of ${TYPE}")
SET(CHECK_TYPE_SIZE_TYPE "${TYPE}")
SET(MACRO_CHECK_TYPE_SIZE_FLAGS
"${CMAKE_REQUIRED_FLAGS}")
FOREACH(def HAVE_SYS_TYPES_H HAVE_STDINT_H HAVE_STDDEF_H)
IF("${def}")
SET(MACRO_CHECK_TYPE_SIZE_FLAGS
"${MACRO_CHECK_TYPE_SIZE_FLAGS} -D${def}")
ENDIF("${def}")
ENDFOREACH(def)
SET(CHECK_TYPE_SIZE_PREINCLUDE)
SET(CHECK_TYPE_SIZE_PREMAIN)
SET(CHECK_TYPE_SIZE_ADD_LIBRARIES)
SET(CHECK_TYPE_SIZE_ADD_INCLUDES)
FOREACH(def ${CMAKE_EXTRA_INCLUDE_FILES})
SET(CHECK_TYPE_SIZE_PREMAIN "${CHECK_TYPE_SIZE_PREMAIN}#include \"${def}\"\n")
ENDFOREACH(def)
IF(CMAKE_REQUIRED_LIBRARIES)
SET(CHECK_TYPE_SIZE_ADD_LIBRARIES
"-DLINK_LIBRARIES:STRING=${CMAKE_REQUIRED_LIBRARIES}")
ENDIF(CMAKE_REQUIRED_LIBRARIES)
IF(CMAKE_REQUIRED_INCLUDES)
SET(CHECK_TYPE_SIZE_ADD_INCLUDES
"-DINCLUDE_DIRECTORIES:STRING=${CMAKE_REQUIRED_INCLUDES}")
ENDIF(CMAKE_REQUIRED_INCLUDES)
CONFIGURE_FILE("${CMAKE_ROOT}/Modules/CheckTypeSizeC.c.in"
"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckTypeSizeC.c" IMMEDIATE @ONLY)
FILE(READ "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckTypeSizeC.c"
CHECK_TYPE_SIZE_FILE_CONTENT)
TRY_COMPILE(HAVE_${VARIABLE}
${CMAKE_BINARY_DIR}
"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/CheckTypeSizeC.c"
COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
CMAKE_FLAGS -DCOMPILE_DEFINITIONS:STRING=${MACRO_CHECK_TYPE_SIZE_FLAGS}
"${CHECK_TYPE_SIZE_ADD_LIBRARIES}"
"${CHECK_TYPE_SIZE_ADD_INCLUDES}"
OUTPUT_VARIABLE OUTPUT
COPY_FILE "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CheckTypeSize.bin" )
IF(HAVE_${VARIABLE})
FILE(STRINGS "${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CheckTypeSize.bin"
CMAKE_CHECKTYPESIZE_STRINGS LIMIT_COUNT 2 REGEX "INFO:sizeof")
SET(CMAKE_CHECKTYPESIZE_FIRST_RESULT "FIRST_LOOP")
FOREACH(info ${CMAKE_CHECKTYPESIZE_STRINGS})
IF("${info}" MATCHES ".*INFO:sizeof\\[0*([^]]*)\\].*")
STRING(REGEX REPLACE ".*INFO:sizeof\\[0*([^]]*)\\].*" "\\1" ${VARIABLE} "${info}")
ENDIF("${info}" MATCHES ".*INFO:sizeof\\[0*([^]]*)\\].*")
IF("${CMAKE_CHECKTYPESIZE_FIRST_RESULT}" STREQUAL "FIRST_LOOP")
SET(CMAKE_CHECKTYPESIZE_FIRST_RESULT "${${VARIABLE}}")
ENDIF("${CMAKE_CHECKTYPESIZE_FIRST_RESULT}" STREQUAL "FIRST_LOOP")
IF(NOT "${CMAKE_CHECKTYPESIZE_FIRST_RESULT}" STREQUAL "${${VARIABLE}}")
MESSAGE(SEND_ERROR "CHECK_TYPE_SIZE found different results, consider setting CMAKE_OSX_ARCHITECTURES or CMAKE_TRY_COMPILE_OSX_ARCHITECTURES to one or no architecture !")
ENDIF(NOT "${CMAKE_CHECKTYPESIZE_FIRST_RESULT}" STREQUAL "${${VARIABLE}}")
ENDFOREACH(info ${CMAKE_CHECKTYPESIZE_STRINGS})
MESSAGE(STATUS "Check size of ${TYPE} - done")
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Determining size of ${TYPE} passed with the following output:\n${OUTPUT}\n\n")
ELSE(HAVE_${VARIABLE})
MESSAGE(STATUS "Check size of ${TYPE} - failed")
FILE(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Determining size of ${TYPE} failed with the following output:\n${OUTPUT}\nCheckTypeSizeC.c:\n${CHECK_TYPE_SIZE_FILE_CONTENT}\n\n")
SET(${VARIABLE})
ENDIF(HAVE_${VARIABLE})
SET(${VARIABLE} "${${VARIABLE}}" CACHE INTERNAL "Result of CHECK_TYPE_SIZE" FORCE)
ENDIF("HAVE_${VARIABLE}" MATCHES "^HAVE_${VARIABLE}$")
ENDMACRO(CHECK_TYPE_SIZE)
|
