1 | # -*- mode: cmake; -*- |
---|
2 | # |
---|
3 | # |
---|
4 | # |
---|
5 | macro(check_header HEADER) |
---|
6 | STRING(TOUPPER ${HEADER} ENABLE_FLAG) |
---|
7 | STRING(REGEX REPLACE "/" "_" ENABLE_FLAG ${ENABLE_FLAG}) |
---|
8 | STRING(REGEX REPLACE ".H$" "_H" ENABLE_FLAG ${ENABLE_FLAG}) |
---|
9 | |
---|
10 | FIND_PATH(HAVE_${ENABLE_FLAG} |
---|
11 | NAMES ${HEADER} |
---|
12 | PATHS |
---|
13 | ${CMAKE_ADDITIONAL_PATH} |
---|
14 | # ${CMAKE_INCLUDE_PATH} |
---|
15 | /usr/local/include |
---|
16 | /usr/include |
---|
17 | ) |
---|
18 | if( "${HAVE_${ENABLE_FLAG}}" STREQUAL "HAVE_${ENABLE_FLAG}-NOTFOUND" ) |
---|
19 | message(STATUS "Checking for ${HEADER} 'HAVE_${ENABLE_FLAG}' ... not found") |
---|
20 | check_cpp_header(${HEADER}) |
---|
21 | else() |
---|
22 | message(STATUS "Checking for ${HEADER} 'HAVE_${ENABLE_FLAG}' ... found") |
---|
23 | endif() |
---|
24 | endmacro() |
---|
25 | |
---|
26 | macro(check_cpp_header HEADER) |
---|
27 | STRING(TOUPPER ${HEADER} ENABLE_FLAG) |
---|
28 | STRING(REGEX REPLACE "/" "_" ENABLE_FLAG ${ENABLE_FLAG}) |
---|
29 | STRING(REGEX REPLACE ".H$" "_H" ENABLE_FLAG ${ENABLE_FLAG}) |
---|
30 | |
---|
31 | set(_srcfile ${CMAKE_BINARY_DIR}/temp.cpp) |
---|
32 | set(srccode "#include <${HEADER}>\nint main() { return 0\;}") |
---|
33 | file(WRITE ${_srcfile} ${srccode}) |
---|
34 | #message(STATUS "source='${srccode}'") |
---|
35 | set(lang CXX) |
---|
36 | # try_run(RUN_RESULT_VAR COMPILE_RESULT_VAR |
---|
37 | # ${CMAKE_BINARY_DIR} ${_srcfile}) |
---|
38 | |
---|
39 | try_compile(RESULT_VAR ${CMAKE_BINARY_DIR} ${_srcfile} |
---|
40 | OUTPUT_VARIABLE _output |
---|
41 | ) |
---|
42 | # [CMAKE_FLAGS <Flags>] |
---|
43 | # [COMPILE_DEFINITIONS <flags> ...] |
---|
44 | # [OUTPUT_VARIABLE var] |
---|
45 | # [COPY_FILE <filename> ) |
---|
46 | #try_run(RUN_RESULT_VAR COMPILE_RESULT_VAR |
---|
47 | # bindir srcfile [CMAKE_FLAGS <Flags>] |
---|
48 | # [COMPILE_DEFINITIONS <flags>] |
---|
49 | # [COMPILE_OUTPUT_VARIABLE comp] |
---|
50 | # [RUN_OUTPUT_VARIABLE run] |
---|
51 | # [OUTPUT_VARIABLE var] |
---|
52 | # [ARGS <arg1> <arg2>...]) |
---|
53 | |
---|
54 | # message(STATUS "Compiling ${HEADER} with result '${_output}'") |
---|
55 | # message(STATUS "Compiling ${HEADER} with result '${RESULT_VAR}'") |
---|
56 | if(RESULT_VAR) |
---|
57 | set(HAVE_${ENABLE_FLAG} "/usr" CACHE PATH "" FORCE) |
---|
58 | endif(RESULT_VAR) |
---|
59 | if( "${HAVE_${ENABLE_FLAG}}" STREQUAL "HAVE_${ENABLE_FLAG}-NOTFOUND" ) |
---|
60 | message(STATUS "Checking for ${HEADER} 'HAVE_${ENABLE_FLAG}' ... not found") |
---|
61 | else() |
---|
62 | message(STATUS "Checking for ${HEADER} 'HAVE_${ENABLE_FLAG}' ... found") |
---|
63 | endif() |
---|
64 | # message(STATUS "Compiling ${HEADER} with result '${COMPILE_RESULT_VAR}'") |
---|
65 | # message(STATUS "Compiling ${HEADER} with result '${RUN_RESULT_VAR}'") |
---|
66 | endmacro() |
---|
67 | # |
---|
68 | # |
---|
69 | # |
---|
70 | function(check_headers HEADERS) |
---|
71 | message(STATUS "Headers '${ARGV}'") |
---|
72 | foreach(loop_var ${ARGV}) |
---|
73 | string(STRIP ${loop_var} HEADER) |
---|
74 | check_header(${HEADER}) |
---|
75 | endforeach(loop_var) |
---|
76 | endfunction() |
---|
77 | |
---|
78 | # |
---|
79 | # |
---|
80 | # |
---|
81 | function(check_funcs FUNCS) |
---|
82 | foreach(loop_var ${ARGV}) |
---|
83 | string(STRIP ${loop_var} FUNC) |
---|
84 | string(TOUPPER ${loop_var} VAR) |
---|
85 | check_function_exists(${FUNC} HAVE_${VAR}) |
---|
86 | endforeach(loop_var) |
---|
87 | endfunction() |
---|
88 | |
---|
89 | # |
---|
90 | # |
---|
91 | # |
---|
92 | function(check_library NAME ) |
---|
93 | # message(STATUS "libray '${NAME}'") |
---|
94 | # ac_have_lib_NAME |
---|
95 | |
---|
96 | message(STATUS "Checking library ${NAME}...") |
---|
97 | string(TOUPPER ${NAME} VAR) |
---|
98 | SET(CMAKE_FIND_LIBRARY_SUFFIXES .a )# ${CMAKE_FIND_LIBRARY_SUFFIXES}) |
---|
99 | FIND_LIBRARY(ac_have_lib_${VAR} |
---|
100 | NAMES ${NAME} |
---|
101 | PATHS ${CMAKE_LIBRARY_PATH} /usr/lib /usr/local/lib |
---|
102 | PATH_SUFFIXES lib |
---|
103 | ) |
---|
104 | message(STATUS "Checking library ${NAME}... ${ac_have_lib_${VAR}}") |
---|
105 | if(ac_have_lib_${VAR}) |
---|
106 | set(HAVE_LIB${VAR} 1 ) |
---|
107 | else(ac_have_lib_${VAR}) |
---|
108 | set(HAVE_LIB${VAR} 0 ) |
---|
109 | endif(ac_have_lib_${VAR}) |
---|
110 | |
---|
111 | if(NOT HAVE_LIB${VAR}) |
---|
112 | SET(CMAKE_FIND_LIBRARY_SUFFIXES .so )# ${CMAKE_FIND_LIBRARY_SUFFIXES}) |
---|
113 | FIND_LIBRARY(ac_have_lib_${VAR}_DL |
---|
114 | NAMES ${NAME} |
---|
115 | PATHS ${CMAKE_LIBRARY_PATH} /usr/lib /usr/local/lib |
---|
116 | PATH_SUFFIXES lib |
---|
117 | ) |
---|
118 | message(STATUS "Checking library ${NAME}... ${ac_have_lib_${VAR}_DL}") |
---|
119 | endif(NOT HAVE_LIB${VAR}) |
---|
120 | |
---|
121 | if(ac_have_lib_${VAR}_DL) |
---|
122 | set(HAVE_LIB${VAR}_DL 1 ) |
---|
123 | else(ac_have_lib_${VAR}_DL) |
---|
124 | set(HAVE_LIB${VAR}_DL 0 ) |
---|
125 | endif(ac_have_lib_${VAR}_DL) |
---|
126 | |
---|
127 | set(HAVE_LIB${VAR} ${HAVE_LIB${VAR}} PARENT_SCOPE) |
---|
128 | set(HAVE_LIB${VAR}_DL ${HAVE_LIB${VAR}_DL} PARENT_SCOPE) |
---|
129 | |
---|
130 | message(STATUS "1 HAVE_LIB${VAR} =" ${HAVE_LIB${VAR}}) |
---|
131 | message(STATUS "1 HAVE_LIB${VAR}_DL =" ${HAVE_LIB${VAR}_DL}) |
---|
132 | endfunction(check_library NAME) |
---|