blob: 1db0515c47c8096708ce9a13656a1c075ac15709 (
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
|
PROJECT (ExternalOBJ)
IF(APPLE)
# set _CMAKE_OSX_MACHINE to umame -m
EXEC_PROGRAM(uname ARGS -m OUTPUT_VARIABLE _CMAKE_OSX_MACHINE)
# check for Power PC and change to ppc
IF("${_CMAKE_OSX_MACHINE}" MATCHES "Power")
SET(_CMAKE_OSX_MACHINE ppc)
ENDIF("${_CMAKE_OSX_MACHINE}" MATCHES "Power")
SET(CMAKE_OSX_ARCHITECTURES ${_CMAKE_OSX_MACHINE})
ENDIF(APPLE)
# Build the external object file.
TRY_COMPILE(EXTERNAL_OBJECT_BUILT
${ExternalOBJ_BINARY_DIR}/Object
${ExternalOBJ_SOURCE_DIR}/Object
Object
external
OUTPUT_VARIABLE OUTPUT
)
IF(EXTERNAL_OBJECT_BUILT)
MESSAGE(
"Building external_object.cxx succeeded with the following output:\n"
"[${OUTPUT}]"
)
ELSE(EXTERNAL_OBJECT_BUILT)
MESSAGE(FATAL_ERROR
"Building external_object.cxx failed with the following output:\n"
"[${OUTPUT}]"
)
ENDIF(EXTERNAL_OBJECT_BUILT)
# Find the external object file.
SET(DIR ${ExternalOBJ_BINARY_DIR}/Object)
FILE(GLOB_RECURSE EXTERNAL_OBJECT
"${DIR}/external_object*${CMAKE_CXX_OUTPUT_EXTENSION}")
IF(EXTERNAL_OBJECT)
MESSAGE("Found \"${EXTERNAL_OBJECT}\".")
ELSE(EXTERNAL_OBJECT)
MESSAGE(FATAL_ERROR "Could not find external object.")
ENDIF(EXTERNAL_OBJECT)
# Test creation of external objects by custom commands.
SET(CUSTOM_OBJECT
${CMAKE_CURRENT_BINARY_DIR}/custom_object${CMAKE_C_OUTPUT_EXTENSION})
ADD_CUSTOM_COMMAND(
OUTPUT ${CUSTOM_OBJECT}
COMMAND ${CMAKE_COMMAND} -E copy ${EXTERNAL_OBJECT} ${CUSTOM_OBJECT}
DEPENDS ${EXTERNAL_OBJECT}
)
# Build an executable using the external object file.
ADD_EXECUTABLE(ExternalOBJ executable.cxx ${CUSTOM_OBJECT})
|
