1 include(CheckIncludeFile)
2 include(CheckSymbolExists)
3 include(CheckFunctionExists)
4 include(CheckLibraryExists)
6 include(CheckStructHasMember)
7 include(CheckPrototypeDefinition)
10 set(PACKAGE ${APPLICATION_NAME})
11 set(VERSION ${APPLICATION_VERSION})
12 set(DATADIR ${DATA_INSTALL_DIR})
13 set(LIBDIR ${LIB_INSTALL_DIR})
14 set(PLUGINDIR "${PLUGIN_INSTALL_DIR}-${LIBRARY_SOVERSION}")
15 set(SYSCONFDIR ${SYSCONF_INSTALL_DIR})
17 set(BINARYDIR ${CMAKE_BINARY_DIR})
18 set(SOURCEDIR ${CMAKE_SOURCE_DIR})
20 function(COMPILER_DUMPVERSION _OUTPUT_VERSION)
21 # Remove whitespaces from the argument.
22 # This is needed for CC="ccache gcc" cmake ..
23 string(REPLACE " " "" _C_COMPILER_ARG "${CMAKE_C_COMPILER_ARG1}")
27 ${CMAKE_C_COMPILER} ${_C_COMPILER_ARG} -dumpversion
28 OUTPUT_VARIABLE _COMPILER_VERSION
31 string(REGEX REPLACE "([0-9])\\.([0-9])(\\.[0-9])?" "\\1\\2"
32 _COMPILER_VERSION "${_COMPILER_VERSION}")
34 set(${_OUTPUT_VERSION} ${_COMPILER_VERSION} PARENT_SCOPE)
37 if(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW AND NOT OS2)
38 compiler_dumpversion(GNUCC_VERSION)
39 if (NOT GNUCC_VERSION EQUAL 34)
40 set(CMAKE_REQUIRED_FLAGS "-fvisibility=hidden")
41 check_c_source_compiles(
42 "void __attribute__((visibility(\"default\"))) test() {}
43 int main(void){ return 0; }
44 " WITH_VISIBILITY_HIDDEN)
45 set(CMAKE_REQUIRED_FLAGS "")
46 endif (NOT GNUCC_VERSION EQUAL 34)
47 endif(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW AND NOT OS2)
50 check_include_file(sys/types.h HAVE_SYS_TYPES_H)
51 check_include_file(sys/syscall.h HAVE_SYS_SYSCALL_H)
52 check_include_file(syscall.h HAVE_SYSCALL_H)
53 check_include_file(grp.h HAVE_GRP_H)
54 check_include_file(unistd.h HAVE_UNISTD_H)
57 check_function_exists(strncpy HAVE_STRNCPY)
58 check_function_exists(vsnprintf HAVE_VSNPRINTF)
59 check_function_exists(snprintf HAVE_SNPRINTF)
61 check_function_exists(seteuid HAVE_SETEUID)
62 check_function_exists(setreuid HAVE_SETREUID)
63 check_function_exists(setresuid HAVE_SETRESUID)
64 check_function_exists(getresuid HAVE_GETRESUID)
65 check_function_exists(getresgid HAVE_GETRESGID)
67 check_function_exists(setegid HAVE_SETEGID)
68 check_function_exists(setregid HAVE_SETREGID)
69 check_function_exists(setresgid HAVE_SETRESGID)
71 check_function_exists(getgroups HAVE_GETGROUPS)
72 check_function_exists(setgroups HAVE_SETGROUPS)
75 check_prototype_definition(setgroups
76 "int setgroups(int size, const gid_t *list)"
80 endif (HAVE_SETGROUPS)
82 check_function_exists(syscall HAVE_SYSCALL)
85 add_definitions(-D_GNU_SOURCE)
87 check_prototype_definition(syscall
88 "int syscall(int sysno, ...)"
90 "unistd.h;sys/syscall.h"
97 if (HAVE_SYS_SYSCALL_H)
98 list(APPEND CMAKE_REQUIRED_DEFINITIONS "-DHAVE_SYS_SYSCALL_H")
99 endif (HAVE_SYS_SYSCALL_H)
101 list(APPEND CMAKE_REQUIRED_DEFINITIONS "-DHAVE_SYSCALL_H")
102 endif (HAVE_SYSCALL_H)
104 check_c_source_compiles("
105 #include <sys/types.h>
106 #ifdef HAVE_SYS_SYSCALL_H
107 #include <sys/syscall.h>
109 #ifdef HAVE_SYSCALL_H
115 syscall(SYS_setresuid32, -1, -1, -1);
116 syscall(SYS_setresgid32, -1, -1, -1);
117 syscall(SYS_setreuid32, -1, -1);
118 syscall(SYS_setregid32, -1, -1);
119 syscall(SYS_setuid32, -1);
120 syscall(SYS_setgid32, -1);
121 syscall(SYS_setgroups32, 0, NULL);
124 }" HAVE_LINUX_32BIT_SYSCALLS)
126 set(CMAKE_REQUIRED_DEFINITIONS)
129 check_c_source_compiles("
134 __atomic_load(p_x, &x, __ATOMIC_RELAXED);
136 }" HAVE_GCC_ATOMIC_BUILTINS)
138 check_c_source_compiles("
143 }" HAVE_GCC_THREAD_LOCAL_STORAGE)
145 check_c_source_compiles("
146 void test_constructor_attribute(void) __attribute__ ((constructor));
148 void test_constructor_attribute(void)
155 }" HAVE_CONSTRUCTOR_ATTRIBUTE)
157 check_c_source_compiles("
158 void test_destructor_attribute(void) __attribute__ ((destructor));
160 void test_destructor_attribute(void)
167 }" HAVE_DESTRUCTOR_ATTRIBUTE)
169 # If this produces a warning treat it as error!
170 set(CMAKE_REQUIRED_FLAGS "-Werror")
171 check_c_source_compiles("
172 void test_address_sanitizer_attribute(void) __attribute__((no_sanitize_address));
174 void test_address_sanitizer_attribute(void)
181 }" HAVE_ADDRESS_SANITIZER_ATTRIBUTE)
182 set(CMAKE_REQUIRED_FLAGS)
184 check_c_source_compiles("
185 void log_fn(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
189 }" HAVE_FUNCTION_ATTRIBUTE_FORMAT)
191 check_c_source_compiles("
192 #define FALL_THROUGH __attribute__((fallthrough))
200 enum direction_e key = UP;
216 }" HAVE_FALLTHROUGH_ATTRIBUTE)
220 check_library_exists(dl dlopen "" HAVE_LIBDL)
222 find_library(DLFCN_LIBRARY dl)
223 set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${DLFCN_LIBRARY})
232 test_big_endian(WORDS_BIGENDIAN)
235 set(UIDWRAP_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CACHE INTERNAL "uidwrap required system libraries")