blob: 3dde42b4b33258750f75c9a9d8f6c58f7029f1b4 (
plain) (
blame)
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
|
macro(determine_gflags_namespace VARIABLE)
if (NOT DEFINED "${VARIABLE}")
if (CMAKE_REQUIRED_INCLUDES)
set (CHECK_INCLUDE_FILE_CXX_INCLUDE_DIRS "-DINCLUDE_DIRECTORIES=${CMAKE_REQUIRED_INCLUDES}")
else ()
set (CHECK_INCLUDE_FILE_CXX_INCLUDE_DIRS)
endif ()
set(MACRO_CHECK_INCLUDE_FILE_FLAGS ${CMAKE_REQUIRED_FLAGS})
set(_NAMESPACES gflags google)
set(_check_code
"
#include <gflags/gflags.h>
int main(int argc, char**argv)
{
GLOG_GFLAGS_NAMESPACE::ParseCommandLineFlags(&argc, &argv, true);
}
")
if (NOT CMAKE_REQUIRED_QUIET)
message (STATUS "Looking for gflags namespace")
endif ()
if (${ARGC} EQUAL 3)
set (CMAKE_CXX_FLAGS_SAVE ${CMAKE_CXX_FLAGS})
set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${ARGV2}")
endif ()
set (_check_file
${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeTmp/DetermineGflagsNamespace.cxx)
foreach (_namespace ${_NAMESPACES})
file (WRITE "${_check_file}" "${_check_code}")
try_compile (${VARIABLE}
"${CMAKE_BINARY_DIR}" "${_check_file}"
COMPILE_DEFINITIONS "${CMAKE_REQUIRED_DEFINITIONS}" -DGLOG_GFLAGS_NAMESPACE=${_namespace}
LINK_LIBRARIES gflags
CMAKE_FLAGS -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
OUTPUT_VARIABLE OUTPUT)
if (${VARIABLE})
set (${VARIABLE} ${_namespace} CACHE INTERNAL "gflags namespace" FORCE)
break ()
else ()
file(APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log
"Determining the gflags namespace ${_namespace} failed with the following output:\n"
"${OUTPUT}\n\n")
endif ()
endforeach (_namespace)
if (${ARGC} EQUAL 3)
set (CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS_SAVE})
endif ()
if (${VARIABLE})
if (NOT CMAKE_REQUIRED_QUIET)
message (STATUS "Looking for gflags namespace - ${${VARIABLE}}")
endif ()
file (APPEND ${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log
"Determining the gflags namespace passed with the following output:\n"
"${OUTPUT}\n\n")
else ()
if (NOT CMAKE_REQUIRED_QUIET)
message (STATUS "Looking for gflags namespace - failed")
endif ()
set (${VARIABLE} ${_namespace} CACHE INTERNAL "gflags namespace")
endif ()
endif ()
endmacro ()
|
