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} ${_COMPILER_VERSION} PARENT_SCOPE)
37 if(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW AND NOT OS2)
38 compiler_dumpversion(GNUCC_VERSION)
39 if (NOT GNUCC_VERSION EQUAL 34)
40 set(CMAKE_REQUIRED_FLAGS "-fvisibility=hidden")
41 check_c_source_compiles(
42 "void __attribute__((visibility(\"default\"))) test() {}
43 int main(void){ return 0; }
44 " WITH_VISIBILITY_HIDDEN)
45 set(CMAKE_REQUIRED_FLAGS "")
46 endif (NOT GNUCC_VERSION EQUAL 34)
47 endif(CMAKE_COMPILER_IS_GNUCC AND NOT MINGW AND NOT OS2)
50 check_include_file(sys/types.h HAVE_SYS_TYPES_H)
51 check_include_file(resolv.h HAVE_RESOLV_H)
54 find_library(RESOLV_LIRBRARY resolv)
57 check_library_exists(${RESOLV_LIRBRARY} res_send "" RES_SEND_IN_LIBRESOLV)
58 check_library_exists(${RESOLV_LIRBRARY} __res_send "" __RES_SEND_IN_LIBRESOLV)
59 if (RES_SEND_IN_LIBRESOLV OR __RES_SEND_IN_LIBRESOLV)
60 set(HAVE_LIBRESOLV TRUE)
61 set(CMAKE_REQUIRED_LIBRARIES ${RESOLV_LIRBRARY})
65 check_function_exists(res_init HAVE_RES_INIT)
66 check_function_exists(__res_init HAVE___RES_INIT)
68 check_function_exists(res_ninit HAVE_RES_NINIT)
69 check_function_exists(__res_ninit HAVE___RES_NINIT)
71 check_library_exists(${RESOLV_LIRBRARY} res_ninit "" HAVE_RES_NINIT_IN_LIBRESOLV)
74 check_function_exists(res_close HAVE_RES_CLOSE)
75 check_function_exists(__res_close HAVE___RES_CLOSE)
77 check_function_exists(res_nclose HAVE_RES_NCLOSE)
78 check_function_exists(__res_nclose HAVE___RES_NCLOSE)
80 check_library_exists(${RESOLV_LIRBRARY} res_nclose "" HAVE_RES_NCLOSE_IN_LIBRESOLV)
83 check_function_exists(res_query HAVE_RES_QUERY)
84 check_function_exists(__res_query HAVE___RES_QUERY)
86 check_function_exists(res_nquery HAVE_RES_NQUERY)
87 check_function_exists(__res_nquery HAVE___RES_NQUERY)
89 check_function_exists(res_search HAVE_RES_SEARCH)
90 check_function_exists(__res_search HAVE___RES_SEARCH)
92 check_function_exists(res_nsearch HAVE_RES_NSEARCH)
93 check_function_exists(__res_nsearch HAVE___RES_NSEARCH)
95 set(CMAKE_REQUIRED_LIBRARIES)
100 check_library_exists(socket getaddrinfo "" HAVE_LIBSOCKET)
102 set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} socket)
103 endif (HAVE_LIBSOCKET)
105 # libnsl/inet_pton (Solaris)
106 check_library_exists(nsl inet_pton "" HAVE_LIBNSL)
108 set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} nsl)
112 check_function_exists(getaddrinfo HAVE_GETADDRINFO)
115 check_library_exists(dl dlopen "" HAVE_LIBDL)
117 find_library(DLFCN_LIBRARY dl)
118 set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${DLFCN_LIBRARY})
122 check_c_source_compiles("
124 #include <sys/socket.h>
126 #include <netinet/in.h>
130 struct sockaddr_storage sa_store;
131 struct addrinfo *ai = NULL;
132 struct in6_addr in6addr;
133 int idx = if_nametoindex(\"iface1\");
134 int s = socket(AF_INET6, SOCK_STREAM, 0);
135 int ret = getaddrinfo(NULL, NULL, NULL, &ai);
137 const char *es = gai_strerror(ret);
143 #ifdef HAVE_LINUX_IPV6_V6ONLY_26
144 #define IPV6_V6ONLY 26
146 ret = setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,
147 (const void *)&val, sizeof(val));
153 check_struct_has_member("struct __res_state" _u._ext.nsaddrs resolv.h HAVE_RESOLV_IPV6_NSADDRS)
155 check_c_source_compiles("
156 void log_fn(const char *format, ...) __attribute__ ((format (printf, 1, 2)));
160 }" HAVE_ATTRIBUTE_PRINTF_FORMAT)
162 check_c_source_compiles("
163 void test_destructor_attribute(void) __attribute__ ((destructor));
165 void test_destructor_attribute(void)
172 }" HAVE_DESTRUCTOR_ATTRIBUTE)
175 test_big_endian(WORDS_BIGENDIAN)
177 set(RWRAP_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CACHE INTERNAL "resolv_wrapper required system libraries")