1# Copyright (C) The c-ares project and its contributors 2# SPDX-License-Identifier: MIT 3CMAKE_MINIMUM_REQUIRED (VERSION 3.5.0...3.10.0) 4 5list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake/") 6 7INCLUDE (CheckIncludeFiles) 8INCLUDE (CheckTypeSize) 9INCLUDE (CheckFunctionExists) 10INCLUDE (CheckSymbolExists) 11INCLUDE (CheckCSourceCompiles) 12INCLUDE (CheckStructHasMember) 13INCLUDE (CheckLibraryExists) 14 15PROJECT (c-ares LANGUAGES C VERSION "1.34.5" ) 16 17# Set this version before release 18SET (CARES_VERSION "${PROJECT_VERSION}") 19 20INCLUDE (GNUInstallDirs) # include this *AFTER* PROJECT(), otherwise paths are wrong. 21 22# This is for libtool compatibility, and specified in a form that is easily 23# translatable from libtool (even if the actual form doesn't make sense). 24# For instance, in an autotools project, in Makefile.am there is a line that 25# contains something like: 26# -version-info 4:0:2 27# This breaks down into sections of current:revision:age 28# This then generates a version of "(current-age).age.revision" with an 29# interface version of "(current-age)" 30# For example, a version of 4:0:2 would generate output such as: 31# libname.so -> libname.so.2 32# libname.so.2 -> libname.so.2.2.0 33SET (CARES_LIB_VERSIONINFO "21:4:19") 34 35 36OPTION (CARES_STATIC "Build as a static library" OFF) 37OPTION (CARES_SHARED "Build as a shared library" ON) 38OPTION (CARES_INSTALL "Create installation targets (chain builders may want to disable this)" ON) 39OPTION (CARES_STATIC_PIC "Build the static library as PIC (position independent)" OFF) 40OPTION (CARES_BUILD_TESTS "Build and run tests" OFF) 41OPTION (CARES_BUILD_CONTAINER_TESTS "Build and run container tests (implies CARES_BUILD_TESTS, Linux only)" OFF) 42OPTION (CARES_BUILD_TOOLS "Build tools" ON) 43OPTION (CARES_SYMBOL_HIDING "Hide private symbols in shared libraries" OFF) 44OPTION (CARES_THREADS "Build with thread-safety support" ON) 45OPTION (CARES_COVERAGE "Build for code coverage" OFF) 46SET (CARES_RANDOM_FILE "/dev/urandom" CACHE STRING "Suitable File / Device Path for entropy, such as /dev/urandom") 47 48 49# Tests require a C++14 compiler 50IF (CARES_BUILD_TESTS OR CARES_BUILD_CONTAINER_TESTS) 51 set(CMAKE_CXX_STANDARD 14) 52 set(CMAKE_CXX_STANDARD_REQUIRED TRUE) 53 set(CMAKE_CXX_EXTENSIONS FALSE) 54 enable_language(CXX) 55ENDIF () 56 57# Tests require static to be enabled on Windows to be able to access otherwise hidden symbols 58IF ((CARES_BUILD_TESTS OR CARES_BUILD_CONTAINER_TESTS) AND (NOT CARES_STATIC) AND WIN32) 59 SET (CARES_STATIC ON) 60 SET (CARES_STATIC_PIC ON) 61 MESSAGE (WARNING "Static building was requested be disabled, but re-enabled to support tests") 62ENDIF () 63 64INCLUDE (EnableWarnings) 65 66IF (MSVC) 67 # allow linking against the static runtime library in msvc 68 OPTION (CARES_MSVC_STATIC_RUNTIME "Link against the static runtime library" OFF) 69 IF (CARES_MSVC_STATIC_RUNTIME) 70 # CMAKE_CONFIGURATION_TYPES is empty on non-IDE generators (Ninja, NMake) 71 # and that's why we also use CMAKE_BUILD_TYPE to cover for those generators. 72 # For IDE generators, CMAKE_BUILD_TYPE is usually empty 73 FOREACH (config_type ${CMAKE_CONFIGURATION_TYPES} ${CMAKE_BUILD_TYPE}) 74 STRING (TOUPPER ${config_type} upper_config_type) 75 SET (flag_var "CMAKE_C_FLAGS_${upper_config_type}") 76 IF (${flag_var} MATCHES "/MD") 77 STRING (REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}") 78 ENDIF () 79 ENDFOREACH () 80 81 # clean up 82 SET (upper_config_type) 83 SET (config_type) 84 SET (flag_var) 85 ENDIF () 86ENDIF () 87 88IF (CARES_SYMBOL_HIDING) 89 IF (CMAKE_VERSION VERSION_LESS 3.12) 90 MESSAGE (FATAL_ERROR "Hiding symbols requires CMake 3.12") 91 ENDIF () 92 CMAKE_POLICY (SET CMP0063 NEW) 93ENDIF () 94 95# Keep build organized, but only if it is the top-level project. 96# CMake 3.21 or later has PROJECT_IS_TOP_LEVEL, but we aren't yet depending on 97# that version. 98IF (CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_SOURCE_DIR) 99 SET (CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_BINDIR}") 100 SET (CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR}") 101 SET (CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/${CMAKE_INSTALL_LIBDIR}") 102 SET (CMAKE_COMPILE_PDB_OUTPUT_DIRECTORY "${CMAKE_RUNTIME_OUTPUT_DIRECTORY}") 103ENDIF () 104 105# Destinations for installing different kinds of targets (pass to install command). 106SET (TARGETS_INST_DEST 107 RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} 108 BUNDLE DESTINATION ${CMAKE_INSTALL_BINDIR} 109 LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} 110 ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR} 111) 112 113# Function in Library 114# CHECK_LIBRARY_EXISTS can't be used as it will return true if the function 115# is found in a different required/dependent library. 116MACRO (CARES_FUNCTION_IN_LIBRARY func lib var) 117 SET (_ORIG_FIL_CMAKE_REQUIRED_LIBRARIES "${CMAKE_REQUIRED_LIBRARIES}") 118 SET (CMAKE_REQUIRED_LIBRARIES ) 119 CHECK_FUNCTION_EXISTS ("${func}" "_CARES_FUNC_IN_LIB_GLOBAL_${func}") 120 SET (CMAKE_REQUIRED_LIBRARIES "${_ORIG_FIL_CMAKE_REQUIRED_LIBRARIES}") 121 122 IF ("${_CARES_FUNC_IN_LIB_GLOBAL_${func}}") 123 SET (${var} FALSE) 124 ELSE () 125 CHECK_LIBRARY_EXISTS ("${lib}" "${func}" "" ${var}) 126 ENDIF () 127ENDMACRO () 128 129# Look for dependent/required libraries 130CARES_FUNCTION_IN_LIBRARY (res_servicename resolv HAVE_RES_SERVICENAME_IN_LIBRESOLV) 131IF (HAVE_RES_SERVICENAME_IN_LIBRESOLV) 132 SET (HAVE_LIBRESOLV 1) 133ENDIF () 134 135IF (APPLE) 136 CHECK_C_SOURCE_COMPILES (" 137 #include <stdio.h> 138 #include <TargetConditionals.h> 139 int main() { 140#if TARGET_OS_IPHONE == 0 141#error Not an iPhone target 142#endif 143return 0; 144 } 145 " 146 IOS) 147 148 CHECK_C_SOURCE_COMPILES (" 149#include <stdio.h> 150#include <TargetConditionals.h> 151 int main() { 152#if TARGET_OS_IPHONE == 0 || __IPHONE_OS_VERSION_MIN_REQUIRED < 100000 153# error Not iOS v10 154#endif 155return 0; 156 } 157 " 158 IOS_V10) 159 160 CHECK_C_SOURCE_COMPILES (" 161#include <stdio.h> 162#include <AvailabilityMacros.h> 163#ifndef MAC_OS_X_VERSION_10_12 164# define MAC_OS_X_VERSION_10_12 101200 165#endif 166 int main() { 167#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_12 168# error Not MacOSX 10.12 or higher 169#endif 170return 0; 171 } 172 " 173 MACOS_V1012) 174ENDIF () 175 176IF (ZOS AND HAVE_LIBRESOLV) 177 SET (CARES_USE_LIBRESOLV 1) 178ENDIF() 179 180 181CARES_FUNCTION_IN_LIBRARY (gethostbyname nsl HAVE_LIBNSL) 182CARES_FUNCTION_IN_LIBRARY (gethostbyname socket HAVE_GHBN_LIBSOCKET) 183CARES_FUNCTION_IN_LIBRARY (gethostbyname network HAVE_LIBNETWORK) 184CARES_FUNCTION_IN_LIBRARY (socket socket HAVE_SOCKET_LIBSOCKET) 185IF (HAVE_GHBN_LIBSOCKET OR HAVE_SOCKET_LIBSOCKET) 186 SET(HAVE_LIBSOCKET TRUE) 187ENDIF () 188CARES_FUNCTION_IN_LIBRARY (socket network HAVE_LIBNETWORK) 189CARES_FUNCTION_IN_LIBRARY (clock_gettime rt HAVE_LIBRT) 190 191 192# Look for necessary includes 193CHECK_INCLUDE_FILES (AvailabilityMacros.h HAVE_AVAILABILITYMACROS_H) 194CHECK_INCLUDE_FILES (sys/types.h HAVE_SYS_TYPES_H) 195CHECK_INCLUDE_FILES (sys/random.h HAVE_SYS_RANDOM_H) 196CHECK_INCLUDE_FILES (sys/socket.h HAVE_SYS_SOCKET_H) 197CHECK_INCLUDE_FILES (sys/sockio.h HAVE_SYS_SOCKIO_H) 198CHECK_INCLUDE_FILES (arpa/inet.h HAVE_ARPA_INET_H) 199CHECK_INCLUDE_FILES (arpa/nameser_compat.h HAVE_ARPA_NAMESER_COMPAT_H) 200CHECK_INCLUDE_FILES (arpa/nameser.h HAVE_ARPA_NAMESER_H) 201CHECK_INCLUDE_FILES (assert.h HAVE_ASSERT_H) 202CHECK_INCLUDE_FILES (errno.h HAVE_ERRNO_H) 203CHECK_INCLUDE_FILES (fcntl.h HAVE_FCNTL_H) 204CHECK_INCLUDE_FILES (inttypes.h HAVE_INTTYPES_H) 205CHECK_INCLUDE_FILES (limits.h HAVE_LIMITS_H) 206CHECK_INCLUDE_FILES (malloc.h HAVE_MALLOC_H) 207CHECK_INCLUDE_FILES (memory.h HAVE_MEMORY_H) 208CHECK_INCLUDE_FILES (netdb.h HAVE_NETDB_H) 209CHECK_INCLUDE_FILES (netinet/in.h HAVE_NETINET_IN_H) 210CHECK_INCLUDE_FILES (netinet6/in6.h HAVE_NETINET6_IN6_H) 211# On old MacOS SDK versions, you must include sys/socket.h before net/if.h 212IF (HAVE_SYS_SOCKET_H) 213 CHECK_INCLUDE_FILES ("sys/socket.h;net/if.h" HAVE_NET_IF_H) 214ELSE () 215 CHECK_INCLUDE_FILES (net/if.h HAVE_NET_IF_H) 216ENDIF () 217CHECK_INCLUDE_FILES (signal.h HAVE_SIGNAL_H) 218CHECK_INCLUDE_FILES (socket.h HAVE_SOCKET_H) 219CHECK_INCLUDE_FILES (stdbool.h HAVE_STDBOOL_H) 220CHECK_INCLUDE_FILES (stdint.h HAVE_STDINT_H) 221CHECK_INCLUDE_FILES (stdlib.h HAVE_STDLIB_H) 222CHECK_INCLUDE_FILES (strings.h HAVE_STRINGS_H) 223CHECK_INCLUDE_FILES (string.h HAVE_STRING_H) 224CHECK_INCLUDE_FILES (stropts.h HAVE_STROPTS_H) 225CHECK_INCLUDE_FILES (sys/ioctl.h HAVE_SYS_IOCTL_H) 226CHECK_INCLUDE_FILES (sys/param.h HAVE_SYS_PARAM_H) 227CHECK_INCLUDE_FILES (sys/select.h HAVE_SYS_SELECT_H) 228CHECK_INCLUDE_FILES (sys/stat.h HAVE_SYS_STAT_H) 229CHECK_INCLUDE_FILES (sys/time.h HAVE_SYS_TIME_H) 230CHECK_INCLUDE_FILES (sys/uio.h HAVE_SYS_UIO_H) 231CHECK_INCLUDE_FILES (sys/event.h HAVE_SYS_EVENT_H) 232CHECK_INCLUDE_FILES (sys/epoll.h HAVE_SYS_EPOLL_H) 233CHECK_INCLUDE_FILES (ifaddrs.h HAVE_IFADDRS_H) 234CHECK_INCLUDE_FILES (time.h HAVE_TIME_H) 235CHECK_INCLUDE_FILES (poll.h HAVE_POLL_H) 236CHECK_INCLUDE_FILES (dlfcn.h HAVE_DLFCN_H) 237CHECK_INCLUDE_FILES (unistd.h HAVE_UNISTD_H) 238# On OpenBSD, you must include sys/types.h before netinet/tcp.h 239IF (HAVE_SYS_TYPES_H) 240 CHECK_INCLUDE_FILES ("sys/types.h;netinet/tcp.h" HAVE_NETINET_TCP_H) 241ELSE () 242 CHECK_INCLUDE_FILES (netinet/tcp.h HAVE_NETINET_TCP_H) 243ENDIF () 244 245# Include order matters for these windows files. 246# As cygwin environment has both socket.h and winsock2.h 247# headers check WIN32 not to include the later one here 248IF (WIN32) 249CHECK_INCLUDE_FILES ("winsock2.h;windows.h" HAVE_WINSOCK2_H) 250CHECK_INCLUDE_FILES ("winsock2.h;ws2tcpip.h;windows.h" HAVE_WS2TCPIP_H) 251CHECK_INCLUDE_FILES ("winsock2.h;iphlpapi.h;windows.h" HAVE_IPHLPAPI_H) 252CHECK_INCLUDE_FILES ("winsock2.h;netioapi.h;windows.h" HAVE_NETIOAPI_H) 253CHECK_INCLUDE_FILES ("winsock2.h;mswsock.h;windows.h" HAVE_MSWSOCK_H) 254CHECK_INCLUDE_FILES ("winsock.h;windows.h" HAVE_WINSOCK_H) 255CHECK_INCLUDE_FILES (windows.h HAVE_WINDOWS_H) 256CHECK_INCLUDE_FILES ("windows.h;winternl.h" HAVE_WINTERNL_H) 257CHECK_INCLUDE_FILES ("windows.h;ntdef.h" HAVE_NTDEF_H) 258CHECK_INCLUDE_FILES ("windows.h;ntdef.h;ntstatus.h" HAVE_NTSTATUS_H) 259 260 261ENDIF () 262 263# Set system-specific compiler flags 264IF (CMAKE_SYSTEM_NAME STREQUAL "Darwin") 265 LIST (APPEND SYSFLAGS -D_DARWIN_C_SOURCE) 266ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "Linux" OR CMAKE_SYSTEM_NAME STREQUAL "Android") 267 LIST (APPEND SYSFLAGS -D_GNU_SOURCE -D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=700) 268ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "SunOS") 269 LIST (APPEND SYSFLAGS -D__EXTENSIONS__ -D_REENTRANT -D_XOPEN_SOURCE=600) 270ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "AIX") 271 LIST (APPEND SYSFLAGS -D_ALL_SOURCE -D_XOPEN_SOURCE=700 -D_USE_IRS) 272ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD") 273 # Don't define _XOPEN_SOURCE on FreeBSD, it actually reduces visibility instead of increasing it 274ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "QNX") 275 LIST (APPEND SYSFLAGS -D_QNX_SOURCE) 276ELSEIF (WIN32) 277 LIST (APPEND SYSFLAGS -DWIN32_LEAN_AND_MEAN -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE) 278 IF (NOT CMAKE_C_FLAGS MATCHES ".*-D_WIN32_WINNT=.*") 279 LIST (APPEND SYSFLAGS -D_WIN32_WINNT=0x0602) 280 ENDIF () 281ENDIF () 282ADD_DEFINITIONS(${SYSFLAGS}) 283 284 285# Tell C-Ares about libraries to depend on 286IF (HAVE_LIBRESOLV) 287 LIST (APPEND CARES_DEPENDENT_LIBS resolv) 288ENDIF () 289IF (HAVE_LIBNSL) 290 LIST (APPEND CARES_DEPENDENT_LIBS nsl) 291ENDIF () 292IF (HAVE_LIBSOCKET) 293 LIST (APPEND CARES_DEPENDENT_LIBS socket) 294ENDIF () 295IF (HAVE_LIBNETWORK) 296 LIST (APPEND CARES_DEPENDENT_LIBS network) 297ENDIF () 298IF (HAVE_LIBRT) 299 LIST (APPEND CARES_DEPENDENT_LIBS rt) 300ENDIF () 301IF (WIN32) 302 LIST (APPEND CARES_DEPENDENT_LIBS ws2_32 advapi32 iphlpapi) 303ENDIF () 304 305 306# When checking for symbols, we need to make sure we set the proper 307# headers, libraries, and definitions for the detection to work properly 308# CMAKE_REQUIRED_DEFINITIONS, CMAKE_REQUIRED_LIBRARIES, and 309# CMAKE_EXTRA_INCLUDE_FILES. When we're done with the detection, we'll 310# restore them to their original values (otherwise a parent project 311# that tries to set these won't be maintained, see Issue #729) 312SET (ORIG_CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEEFINITIONS}) 313SET (ORIG_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES}) 314SET (ORIG_CMAKE_EXTRA_INCLUDE_FILES ${CMAKE_EXTRA_INCLUDE_FILES}) 315 316SET (CMAKE_REQUIRED_DEFINITIONS ${SYSFLAGS}) 317LIST (APPEND CMAKE_REQUIRED_LIBRARIES ${CARES_DEPENDENT_LIBS}) 318 319MACRO (CARES_EXTRAINCLUDE_IFSET var include) 320 IF (${var}) 321 LIST (APPEND CMAKE_EXTRA_INCLUDE_FILES ${include}) 322 ENDIF () 323ENDMACRO () 324 325CARES_EXTRAINCLUDE_IFSET (HAVE_AVAILABILITYMACROS_H AvailabilityMacros.h) 326CARES_EXTRAINCLUDE_IFSET (HAVE_STDBOOL_H stdbool.h) 327CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_TYPES_H sys/types.h) 328CARES_EXTRAINCLUDE_IFSET (HAVE_ARPA_INET_H arpa/inet.h) 329CARES_EXTRAINCLUDE_IFSET (HAVE_ARPA_NAMESER_H arpa/nameser.h) 330CARES_EXTRAINCLUDE_IFSET (HAVE_NETDB_H netdb.h) 331CARES_EXTRAINCLUDE_IFSET (HAVE_NET_IF_H net/if.h) 332CARES_EXTRAINCLUDE_IFSET (HAVE_IFADDRS_H ifaddrs.h) 333CARES_EXTRAINCLUDE_IFSET (HAVE_NETINET_IN_H netinet/in.h) 334CARES_EXTRAINCLUDE_IFSET (HAVE_NETINET6_IN6_H netinet6/in6.h) 335CARES_EXTRAINCLUDE_IFSET (HAVE_NETINET_TCP_H netinet/tcp.h) 336CARES_EXTRAINCLUDE_IFSET (HAVE_SIGNAL_H signal.h) 337CARES_EXTRAINCLUDE_IFSET (HAVE_STDLIB_H stdlib.h) 338CARES_EXTRAINCLUDE_IFSET (HAVE_STRING_H string.h) 339CARES_EXTRAINCLUDE_IFSET (HAVE_STRINGS_H strings.h) 340CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_IOCTL_H sys/ioctl.h) 341CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_RANDOM_H sys/random.h) 342CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_SELECT_H sys/select.h) 343CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_SOCKET_H sys/socket.h) 344CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_SOCKIO_H sys/sockio.h) 345CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_TIME_H sys/time.h) 346CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_STAT_H sys/stat.h) 347CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_UIO_H sys/uio.h) 348CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_EVENT_H sys/event.h) 349CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_EPOLL_H sys/epoll.h) 350CARES_EXTRAINCLUDE_IFSET (HAVE_TIME_H time.h) 351CARES_EXTRAINCLUDE_IFSET (HAVE_POLL_H poll.h) 352CARES_EXTRAINCLUDE_IFSET (HAVE_FCNTL_H fcntl.h) 353CARES_EXTRAINCLUDE_IFSET (HAVE_UNISTD_H unistd.h) 354CARES_EXTRAINCLUDE_IFSET (HAVE_WINSOCK2_H winsock2.h) 355CARES_EXTRAINCLUDE_IFSET (HAVE_WS2TCPIP_H ws2tcpip.h) 356CARES_EXTRAINCLUDE_IFSET (HAVE_IPHLPAPI_H iphlpapi.h) 357CARES_EXTRAINCLUDE_IFSET (HAVE_WINDOWS_H windows.h) 358 359# Check Types 360# CHECK_TYPE_SIZE can't be used to see if a type exists because on Apple when 361# building multi-arch, it will throw an error. So we need to wrap 362# CHECK_C_SOURCE_COMPILES for our tests. 363MACRO (CARES_TYPE_EXISTS type var) 364 SET(_CARES_C_SOURCE " 365 #include <stdio.h> 366 #include <stdlib.h> 367 ") 368 FOREACH(_C_HEADER ${CMAKE_EXTRA_INCLUDE_FILES}) 369 SET(_CARES_C_SOURCE "${_CARES_C_SOURCE} 370 #include <${_C_HEADER}>") 371 ENDFOREACH(_C_HEADER) 372 373 SET(_CARES_C_SOURCE "${_CARES_C_SOURCE} 374 int main() { 375 ${type} var_exists; 376 (void)var_exists; 377 return 0; 378 } 379 ") 380 CHECK_C_SOURCE_COMPILES ("${_CARES_C_SOURCE}" ${var}) 381ENDMACRO () 382 383CARES_TYPE_EXISTS (socklen_t HAVE_SOCKLEN_T) 384CARES_TYPE_EXISTS (SOCKET HAVE_TYPE_SOCKET) 385CARES_TYPE_EXISTS (ssize_t HAVE_SSIZE_T) 386CARES_TYPE_EXISTS ("long long" HAVE_LONGLONG) 387CARES_TYPE_EXISTS ("struct addrinfo" HAVE_STRUCT_ADDRINFO) 388CARES_TYPE_EXISTS ("struct in6_addr" HAVE_STRUCT_IN6_ADDR) 389CARES_TYPE_EXISTS ("struct sockaddr_in6" HAVE_STRUCT_SOCKADDR_IN6) 390CARES_TYPE_EXISTS ("struct sockaddr_storage" HAVE_STRUCT_SOCKADDR_STORAGE) 391CARES_TYPE_EXISTS ("struct timeval" HAVE_STRUCT_TIMEVAL) 392 393 394# Check for preprocessor defines 395CHECK_SYMBOL_EXISTS (AF_INET6 "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_AF_INET6) 396CHECK_SYMBOL_EXISTS (O_NONBLOCK "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_O_NONBLOCK) 397CHECK_SYMBOL_EXISTS (FIONBIO "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_FIONBIO) 398CHECK_SYMBOL_EXISTS (SIOCGIFADDR "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IOCTL_SIOCGIFADDR) 399CHECK_SYMBOL_EXISTS (MSG_NOSIGNAL "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_MSG_NOSIGNAL) 400CHECK_SYMBOL_EXISTS (PF_INET6 "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_PF_INET6) 401CHECK_SYMBOL_EXISTS (SO_NONBLOCK "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SO_NONBLOCK) 402 403# XCode v8 bug: iOS when targeting less than v10, or MacOS when targeting less than v10.12 will 404# say clock_gettime exists, it is a weak symbol that only exists in iOS10/MacOS10.12 and will 405# cause a crash at runtime when running on older versions. Skip finding CLOCK_MONOTONIC on older 406# OS's. 407IF ((NOT APPLE) OR IOS_V10 OR MACOS_V1012) 408 CHECK_SYMBOL_EXISTS (CLOCK_MONOTONIC "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CLOCK_GETTIME_MONOTONIC) 409ENDIF () 410 411CHECK_STRUCT_HAS_MEMBER("struct sockaddr_in6" sin6_scope_id "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRUCT_SOCKADDR_IN6_SIN6_SCOPE_ID LANGUAGE C) 412 413CHECK_SYMBOL_EXISTS (strnlen "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRNLEN) 414CHECK_SYMBOL_EXISTS (memmem "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_MEMMEM) 415CHECK_SYMBOL_EXISTS (closesocket "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CLOSESOCKET) 416CHECK_SYMBOL_EXISTS (CloseSocket "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CLOSESOCKET_CAMEL) 417CHECK_SYMBOL_EXISTS (connect "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CONNECT) 418CHECK_SYMBOL_EXISTS (connectx "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CONNECTX) 419CHECK_SYMBOL_EXISTS (fcntl "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_FCNTL) 420CHECK_SYMBOL_EXISTS (freeaddrinfo "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_FREEADDRINFO) 421CHECK_SYMBOL_EXISTS (getaddrinfo "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETADDRINFO) 422CHECK_SYMBOL_EXISTS (getenv "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETENV) 423CHECK_SYMBOL_EXISTS (gethostname "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETHOSTNAME) 424CHECK_SYMBOL_EXISTS (getnameinfo "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETNAMEINFO) 425CHECK_SYMBOL_EXISTS (getrandom "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETRANDOM) 426CHECK_SYMBOL_EXISTS (getservbyport_r "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETSERVBYPORT_R) 427CHECK_SYMBOL_EXISTS (getservbyname_r "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETSERVBYNAME_R) 428CHECK_SYMBOL_EXISTS (gettimeofday "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETTIMEOFDAY) 429CHECK_SYMBOL_EXISTS (if_indextoname "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IF_INDEXTONAME) 430CHECK_SYMBOL_EXISTS (if_nametoindex "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IF_NAMETOINDEX) 431CHECK_SYMBOL_EXISTS (GetBestRoute2 "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETBESTROUTE2) 432CHECK_SYMBOL_EXISTS (ConvertInterfaceIndexToLuid "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CONVERTINTERFACEINDEXTOLUID) 433CHECK_SYMBOL_EXISTS (ConvertInterfaceLuidToNameA "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_CONVERTINTERFACELUIDTONAMEA) 434CHECK_SYMBOL_EXISTS (NotifyIpInterfaceChange "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_NOTIFYIPINTERFACECHANGE) 435CHECK_SYMBOL_EXISTS (RegisterWaitForSingleObject "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_REGISTERWAITFORSINGLEOBJECT) 436 437 438CHECK_SYMBOL_EXISTS (inet_net_pton "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_INET_NET_PTON) 439IF (NOT WIN32) 440 # Disabled on Windows, because these functions are only really supported on Windows 441 # Vista or newer (_WIN32_WINNT >= 0x0600). Older versions of Windows may provide 442 # them as experimental non-working features, so we have to disable them manually. 443 CHECK_SYMBOL_EXISTS (inet_ntop "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_INET_NTOP) 444 CHECK_SYMBOL_EXISTS (inet_pton "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_INET_PTON) 445ENDIF () 446CHECK_SYMBOL_EXISTS (ioctl "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IOCTL) 447CHECK_SYMBOL_EXISTS (ioctlsocket "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IOCTLSOCKET) 448CHECK_SYMBOL_EXISTS (IoctlSocket "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IOCTLSOCKET_CAMEL) 449CHECK_SYMBOL_EXISTS (recv "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_RECV) 450CHECK_SYMBOL_EXISTS (recvfrom "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_RECVFROM) 451CHECK_SYMBOL_EXISTS (send "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SEND) 452CHECK_SYMBOL_EXISTS (sendto "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SENDTO) 453CHECK_SYMBOL_EXISTS (setsockopt "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SETSOCKOPT) 454CHECK_SYMBOL_EXISTS (socket "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SOCKET) 455CHECK_SYMBOL_EXISTS (strcasecmp "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRCASECMP) 456CHECK_SYMBOL_EXISTS (strcmpi "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRCMPI) 457CHECK_SYMBOL_EXISTS (strdup "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRDUP) 458CHECK_SYMBOL_EXISTS (stricmp "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRICMP) 459CHECK_SYMBOL_EXISTS (strncasecmp "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRNCASECMP) 460CHECK_SYMBOL_EXISTS (strncmpi "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRNCMPI) 461CHECK_SYMBOL_EXISTS (strnicmp "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STRNICMP) 462CHECK_SYMBOL_EXISTS (writev "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_WRITEV) 463CHECK_SYMBOL_EXISTS (arc4random_buf "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_ARC4RANDOM_BUF) 464CHECK_SYMBOL_EXISTS (stat "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_STAT) 465CHECK_SYMBOL_EXISTS (getifaddrs "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_GETIFADDRS) 466CHECK_SYMBOL_EXISTS (poll "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_POLL) 467CHECK_SYMBOL_EXISTS (pipe "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_PIPE) 468CHECK_SYMBOL_EXISTS (pipe2 "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_PIPE2) 469CHECK_SYMBOL_EXISTS (kqueue "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_KQUEUE) 470CHECK_SYMBOL_EXISTS (epoll_create1 "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_EPOLL) 471 472 473# On Android, the system headers may define __system_property_get(), but excluded 474# from libc. We need to perform a link test instead of a header/symbol test. 475CHECK_FUNCTION_EXISTS (__system_property_get HAVE___SYSTEM_PROPERTY_GET) 476 477# Restore original values (as per Issue #729) 478SET (CMAKE_REQUIRED_DEFINITIONS ${ORIG_CMAKE_REQUIRED_DEEFINITIONS}) 479SET (CMAKE_REQUIRED_LIBRARIES ${ORIG_CMAKE_REQUIRED_LIBRARIES}) 480SET (CMAKE_EXTRA_INCLUDE_FILES ${ORIG_CMAKE_EXTRA_INCLUDE_FILES}) 481 482 483################################################################################ 484# Threading Support 485# 486IF (CARES_THREADS) 487 IF (WIN32) 488 # Do nothing, always has threads 489 ELSE () 490 # Need to prefer pthreads on platforms that may have more threading choices 491 # (e.g. Solaris) 492 SET (CMAKE_THREAD_PREFER_PTHREAD TRUE) 493 FIND_PACKAGE (Threads) 494 495 IF (Threads_FOUND) 496 # Fix solaris9 bug due to libc having pthread_create() stubs that always fail. CMake 497 # doesn't realize that the real pthread functions aren't in libc, so sets the pthread 498 # library CAKE_THREAD_LIBS_INIT variable to blank instead of to the correct "-lpthread". 499 IF (CMAKE_SYSTEM_NAME STREQUAL "SunOS" AND NOT CMAKE_THREAD_LIBS_INIT) 500 SET (CMAKE_THREAD_LIBS_INIT "-lpthread") 501 ENDIF () 502 503 # PThread functions. 504 CHECK_INCLUDE_FILES (pthread.h HAVE_PTHREAD_H) 505 CHECK_INCLUDE_FILES (pthread_np.h HAVE_PTHREAD_NP_H) 506 CARES_EXTRAINCLUDE_IFSET (HAVE_PTHREAD_H pthread.h) 507 CARES_EXTRAINCLUDE_IFSET (HAVE_PTHREAD_NP_H pthread_np.h) 508 CHECK_SYMBOL_EXISTS (pthread_init "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_PTHREAD_INIT) 509 LIST (APPEND CARES_DEPENDENT_LIBS ${CMAKE_THREAD_LIBS_INIT}) 510 ELSE () 511 MESSAGE (WARNING "Threading support not found, disabling...") 512 SET (CARES_THREADS OFF) 513 ENDIF () 514 ENDIF () 515ENDIF () 516 517 518 519################################################################################ 520# recv, recvfrom, send, getnameinfo, gethostname 521# ARGUMENTS AND RETURN VALUES 522# 523# The AutoTools build tries to be really thorough here. So much so that it 524# takes forever. We really don't want to do that. Lets make some educated 525# guesses based on datatypes we have available, and for others, use some 'sane' 526# defaults. This should be much quicker and nearly as accurate ... and even 527# if not, it probably won't matter in the least. 528 529IF (HAVE_SSIZE_T AND HAVE_SOCKLEN_T AND NOT WIN32) 530 # If we have ssize_t and socklen_t, the API is usually sane and uses ssize_t and size_t for lengths 531 SET (RECVFROM_TYPE_RETV ssize_t) 532 SET (RECVFROM_TYPE_ARG3 size_t) 533ELSE () 534 SET (RECVFROM_TYPE_RETV int) 535 SET (RECVFROM_TYPE_ARG3 int) 536ENDIF () 537 538IF (HAVE_TYPE_SOCKET) 539 # If the SOCKET type is defined, it uses socket ... should be windows only 540 SET (RECVFROM_TYPE_ARG1 SOCKET) 541ELSE () 542 SET (RECVFROM_TYPE_ARG1 int) 543ENDIF() 544 545IF (HAVE_SOCKLEN_T) 546 # If we have socklen_t the APIs pretty much always actually use it 547 SET (RECVFROM_TYPE_ARG6 "socklen_t *") 548 SET (GETNAMEINFO_TYPE_ARG2 socklen_t) 549 SET (GETNAMEINFO_TYPE_ARG46 socklen_t) 550ELSE () 551 SET (RECVFROM_TYPE_ARG6 "int *") 552 SET (GETNAMEINFO_TYPE_ARG2 int) 553 SET (GETNAMEINFO_TYPE_ARG46 int) 554ENDIF () 555 556IF (WIN32) 557 SET (RECV_TYPE_ARG2 "char *") 558ELSE () 559 SET (RECV_TYPE_ARG2 "void *") 560ENDIF () 561 562# Functions are typically consistent so the equivalent fields map ... equivalently 563SET (RECV_TYPE_RETV ${RECVFROM_TYPE_RETV}) 564SET (SEND_TYPE_RETV ${RECVFROM_TYPE_RETV}) 565SET (RECV_TYPE_ARG1 ${RECVFROM_TYPE_ARG1}) 566SET (RECVFROM_TYPE_ARG2 ${RECV_TYPE_ARG2}) 567SET (SEND_TYPE_ARG1 ${RECVFROM_TYPE_ARG1}) 568SET (RECV_TYPE_ARG3 ${RECVFROM_TYPE_ARG3}) 569SET (SEND_TYPE_ARG3 ${RECVFROM_TYPE_ARG3}) 570SET (GETHOSTNAME_TYPE_ARG2 ${RECVFROM_TYPE_ARG3}) 571 572# These should always be "sane" values to use always 573SET (RECVFROM_QUAL_ARG5 ) 574SET (RECVFROM_TYPE_ARG4 int) 575SET (RECVFROM_TYPE_ARG5 "struct sockaddr *") 576SET (RECV_TYPE_ARG4 int) 577SET (GETNAMEINFO_TYPE_ARG1 "struct sockaddr *") 578SET (GETNAMEINFO_TYPE_ARG7 int) 579SET (SEND_TYPE_ARG2 "const void *") 580SET (SEND_TYPE_ARG4 int) 581################################################################################ 582 583 584# HAVE_CXX11 ?? 585# HAVE_SIG_ATOMIC_T_VOLATILE ?? 586 587 588# Set a few variables by hand that C-Ares wants, logically, based on detection 589# data. 590 591IF (HAVE_SOCKLEN_T) 592 Set (CARES_TYPEOF_ARES_SOCKLEN_T "socklen_t") 593ELSE () 594 Set (CARES_TYPEOF_ARES_SOCKLEN_T "int") 595ENDIF () 596 597IF (HAVE_SSIZE_T) 598 Set (CARES_TYPEOF_ARES_SSIZE_T "ssize_t") 599ELSE () 600 IF (WIN32) 601 IF ("${CMAKE_SIZEOF_VOID_P}" EQUAL "8") 602 Set (CARES_TYPEOF_ARES_SSIZE_T "__int64") 603 ELSE () 604 Set (CARES_TYPEOF_ARES_SSIZE_T "int") 605 ENDIF () 606 ELSE () 607 Set (CARES_TYPEOF_ARES_SSIZE_T "long") 608 ENDIF () 609ENDIF () 610 611IF (HAVE_FCNTL AND HAVE_O_NONBLOCK) 612 SET (HAVE_FCNTL_O_NONBLOCK 1) 613ENDIF () 614 615IF (HAVE_IOCTL AND HAVE_FIONBIO) 616 SET (HAVE_IOCTL_FIONBIO 1) 617ENDIF () 618 619IF (HAVE_IOCTLSOCKET AND HAVE_FIONBIO) 620 SET (HAVE_IOCTLSOCKET_FIONBIO 1) 621ENDIF () 622 623IF (HAVE_IOCTLSOCKET_CAMEL AND HAVE_FIONBIO) 624 SET (HAVE_IOCTLSOCKET_CAMEL_FIONBIO 1) 625ENDIF () 626 627IF (HAVE_GETADDRINFO) 628 IF (CMAKE_SYSTEM_NAME STREQUAL "Darwin" OR 629 CMAKE_SYSTEM_NAME STREQUAL "HPUX" OR 630 CMAKE_SYSTEM_NAME STREQUAL "NetBSD" OR 631 CMAKE_SYSTEM_NAME STREQUAL "SunOS" OR 632 CMAKE_SYSTEM_NAME STREQUAL "FreeBSD" OR 633 CMAKE_SYSTEM_NAME STREQUAL "AIX" OR 634 WIN32) 635 SET (HAVE_GETADDRINFO_THREADSAFE 1) 636 ENDIF () 637ENDIF () 638 639IF (HAVE_TIME_H AND HAVE_SYS_TIME_H) 640 SET (TIME_WITH_SYS_TIME 1) 641ENDIF () 642 643IF (HAVE_GETSERVBYPORT_R) 644 # TODO : Should probably autodetect 645 IF (CMAKE_SYSTEM_NAME STREQUAL "SunOS") 646 SET (GETSERVBYPORT_R_ARGS 5) 647 ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "AIX" OR 648 CMAKE_SYSTEM_NAME STREQUAL "OpenBSD" OR 649 HAIKU) 650 SET (GETSERVBYPORT_R_ARGS 4) 651 ELSE () 652 # Probably linux 653 SET (GETSERVBYPORT_R_ARGS 6) 654 ENDIF () 655ENDIF () 656 657IF (HAVE_GETSERVBYNAME_R) 658 # TODO : Should probably autodetect 659 IF (CMAKE_SYSTEM_NAME STREQUAL "SunOS") 660 SET (GETSERVBYNAME_R_ARGS 5) 661 ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "AIX" OR 662 CMAKE_SYSTEM_NAME STREQUAL "OpenBSD" OR 663 HAIKU) 664 SET (GETSERVBYNAME_R_ARGS 4) 665 ELSE () 666 # Probably linux 667 SET (GETSERVBYNAME_R_ARGS 6) 668 ENDIF () 669ENDIF () 670 671# Set some aliases used for ares_build.h 672IF (HAVE_SYS_TYPES_H) 673 SET (CARES_HAVE_SYS_TYPES_H 1) 674ENDIF () 675IF (HAVE_SYS_SOCKET_H) 676 SET (CARES_HAVE_SYS_SOCKET_H 1) 677ENDIF() 678IF (HAVE_SYS_SELECT_H) 679 SET (CARES_HAVE_SYS_SELECT_H 1) 680ENDIF() 681IF (HAVE_WS2TCPIP_H) 682 SET (CARES_HAVE_WS2TCPIP_H 1) 683ENDIF() 684IF (HAVE_WINSOCK2_H) 685 SET (CARES_HAVE_WINSOCK2_H 1) 686ENDIF() 687IF (HAVE_WINDOWS_H) 688 SET (CARES_HAVE_WINDOWS_H 1) 689ENDIF() 690IF (HAVE_ARPA_NAMESER_H) 691 SET (CARES_HAVE_ARPA_NAMESER_H 1) 692ENDIF() 693IF (HAVE_ARPA_NAMESER_COMPAT_H) 694 SET (CARES_HAVE_ARPA_NAMESER_COMPAT_H 1) 695ENDIF() 696 697# Coverage 698IF (CARES_COVERAGE) 699 # set compiler flags 700 SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -ftest-coverage -fprofile-arcs") 701 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ftest-coverage -fprofile-arcs") 702 703 # find required tools 704 FIND_PROGRAM(LCOV lcov REQUIRED) 705 FIND_PROGRAM(GENHTML genhtml REQUIRED) 706 707 # add coverage target 708 ADD_CUSTOM_TARGET(coverage 709 # gather data 710 COMMAND ${LCOV} --directory . --capture --output-file coverage.info 711 # generate report 712 COMMAND ${GENHTML} --demangle-cpp -o coverage coverage.info 713 WORKING_DIRECTORY ${CMAKE_BINARY_DIR} 714 ) 715ENDIF() 716 717# TRANSFORM_MAKEFILE_INC 718# 719# This function consumes the "Makefile.inc" autotools file, and converts it into 720# "Makefile.inc.cmake", a cmake include file; transforming this: 721# 722# CSOURCES = ares__close_sockets.c \ 723# ares__get_hostent.c \ 724# ares__read_line.c \ 725# ... 726# 727# into this: 728# 729# SET (CSOURCES 730# ares__close_sockets.c 731# ares__get_hostent.c 732# ares__read_line.c 733# ... 734function(TRANSFORM_MAKEFILE_INC INPUT_FILE OUTPUT_FILE) 735 file(READ ${INPUT_FILE} MAKEFILE_INC_TEXT) 736 string(REPLACE "$(top_srcdir)" "\${PROJECT_SOURCE_DIR}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT}) 737 string(REPLACE "$(top_builddir)" "\${PROJECT_BINARY_DIR}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT}) 738 739 string(REGEX REPLACE "\\\\\n" "ß!ß" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT}) 740 string(REGEX REPLACE "([a-zA-Z_][a-zA-Z0-9_]*)[\t ]*=[\t ]*([^\n]*)" "SET(\\1 \\2)" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT}) 741 string(REPLACE "ß!ß" "\n" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT}) 742 743 string(REGEX REPLACE "\\$\\(([a-zA-Z_][a-zA-Z0-9_]*)\\)" "\${\\1}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT}) # Replace $() with ${} 744 string(REGEX REPLACE "@([a-zA-Z_][a-zA-Z0-9_]*)@" "\${\\1}" MAKEFILE_INC_TEXT ${MAKEFILE_INC_TEXT}) # Replace @@ with ${}, even if that may not be read by CMake scripts. 745 file(WRITE ${OUTPUT_FILE} ${MAKEFILE_INC_TEXT}) 746endfunction() 747 748# Directory for includes 749ADD_SUBDIRECTORY (include) 750 751# Directory for lib and tools 752ADD_SUBDIRECTORY (src) 753 754# Docs 755ADD_SUBDIRECTORY (docs) 756 757# Tests 758IF (CARES_BUILD_TESTS OR CARES_BUILD_CONTAINER_TESTS) 759 ENABLE_TESTING () 760 ADD_SUBDIRECTORY (test) 761ENDIF () 762 763# Export targets 764IF (CARES_INSTALL) 765 SET (CMAKECONFIG_INSTALL_DIR "${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}") 766 INCLUDE (CMakePackageConfigHelpers) 767 CONFIGURE_PACKAGE_CONFIG_FILE (${PROJECT_NAME}-config.cmake.in ${PROJECT_NAME}-config.cmake 768 INSTALL_DESTINATION ${CMAKECONFIG_INSTALL_DIR} 769 PATH_VARS CMAKE_INSTALL_INCLUDEDIR 770 NO_CHECK_REQUIRED_COMPONENTS_MACRO 771 ) 772 773 WRITE_BASIC_PACKAGE_VERSION_FILE(${PROJECT_NAME}-config-version.cmake VERSION "${CARES_VERSION}" COMPATIBILITY SameMajorVersion) 774 INSTALL (EXPORT ${PROJECT_NAME}-targets COMPONENT Devel DESTINATION ${CMAKECONFIG_INSTALL_DIR} NAMESPACE ${PROJECT_NAME}::) 775 INSTALL (FILES "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config.cmake" "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}-config-version.cmake" COMPONENT Devel DESTINATION ${CMAKECONFIG_INSTALL_DIR}) 776 777 # pkgconfig support for static builds 778 FOREACH (LIB ${CARES_DEPENDENT_LIBS}) 779 IF (NOT LIB MATCHES "^-") 780 SET (LIB "-l${LIB}") 781 ENDIF () 782 SET (CARES_PRIVATE_LIBS "${CARES_PRIVATE_LIBS} ${LIB}") 783 ENDFOREACH () 784 785 CONFIGURE_FILE("libcares.pc.cmake" "libcares.pc" @ONLY) 786 INSTALL (FILES "${CMAKE_CURRENT_BINARY_DIR}/libcares.pc" COMPONENT Devel DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig") 787ENDIF () 788 789# Legacy chain-building variables (provided for compatibility with old code). 790# Don't use these, external code should be updated to refer to the aliases directly (e.g., Cares::cares). 791SET (CARES_FOUND 1 CACHE INTERNAL "CARES LIBRARY FOUND") 792SET (CARES_LIBRARIES ${PROJECT_NAME}::cares CACHE INTERNAL "CARES LIBRARIES") 793 794 795IF (CARES_INSTALL) 796 # Package creation 797 set( CPACK_PACKAGE_NAME ${PROJECT_NAME} ) 798 set( CPACK_PACKAGE_VENDOR "Daniel Stenberg" ) # Github project owner 799 set( CPACK_PACKAGE_DESCRIPTION_SUMMARY "A C library for asynchronous DNS requests" ) 800 set( CPACK_PACKAGE_HOMEPAGE_URL "https://c-ares.org/" ) 801 set( CPACK_PACKAGE_CONTACT "https://c-ares.org/" ) 802 set( CPACK_PACKAGE_VERSION_MAJOR ${PROJECT_VERSION_MAJOR} ) 803 set( CPACK_PACKAGE_VERSION_MINOR ${PROJECT_VERSION_MINOR} ) 804 set( CPACK_PACKAGE_VERSION_PATCH ${PROJECT_VERSION_PATCH} ) 805 set( CPACK_PACKAGE_VERSION ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}.${CPACK_PACKAGE_VERSION_PATCH} ) 806 set( CPACK_PACKAGE_INSTALL_DIRECTORY ${PROJECT_NAME} ) 807 set( CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/LICENSE.md" ) 808 set( CPACK_RESOURCE_FILE_README "${CMAKE_CURRENT_SOURCE_DIR}/README.md" ) 809 810 set( CPACK_COMPONENT_Library_DISPLAY_NAME "c-ares Library" ) 811 set( CPACK_COMPONENT_Library_DESCRIPTION "The c-ares binary library." ) 812 set( CPACK_COMPONENT_Library_REQUIRED 1 ) 813 set( CPACK_COMPONENT_Devel_DISPLAY_NAME "c-ares Development Files" ) 814 set( CPACK_COMPONENT_Devel_DESCRIPTION "Development files for compiling against c-ares." ) 815 set( CPACK_COMPONENT_Devel_REQUIRED 0 ) 816 IF (CARES_BUILD_TOOLS) 817 set( CPACK_COMPONENT_Tools_DISPLAY_NAME "c-ares Tools" ) 818 set( CPACK_COMPONENT_Tools_DESCRIPTION "Tools for using c-ares." ) 819 set( CPACK_COMPONENT_Tools_REQUIRED 0 ) 820 ENDIF () 821 822 if( ${CMAKE_SYSTEM_NAME} STREQUAL "Linux" ) 823 824 if ( "${CPACK_PACKAGE_ARCHITECTURE}" STREQUAL "" ) 825 set( CPACK_PACKAGE_ARCHITECTURE "${CMAKE_SYSTEM_PROCESSOR}" ) 826 endif() 827 if ( "${CPACK_PACKAGE_ARCHITECTURE}" STREQUAL "" ) 828 if ( "${CMAKE_HOST_SYSTEM_NAME}" STREQUAL "Windows" ) 829 message( FATAL_ERROR "Failed to determine CPACK_PACKAGE_ARCHITECTURE. Is CMAKE_SYSTEM_PROCESSOR set?" ) 830 endif() 831 # Note: the architecture should default to the local architecture, but it 832 # in fact comes up empty. We call `uname -m` to ask the kernel instead. 833 EXECUTE_PROCESS( COMMAND uname -m COMMAND tr -d '\n' OUTPUT_VARIABLE CPACK_PACKAGE_ARCHITECTURE ) 834 endif() 835 836 set( CPACK_INCLUDE_TOPLEVEL_DIRECTORY 1 ) 837 set( CPACK_PACKAGE_RELEASE 1 ) 838 839 840 # RPM - https://cmake.org/cmake/help/latest/cpack_gen/rpm.html 841 set( CPACK_RPM_PACKAGE_RELEASE ${CPACK_PACKAGE_RELEASE} ) 842 set( CPACK_RPM_PACKAGE_ARCHITECTURE ${CPACK_PACKAGE_ARCHITECTURE} ) 843 set( CPACK_RPM_PACKAGE_DESCRIPTION ${CPACK_PACKAGE_DESCRIPTION_SUMMARY} ) 844 set( CPACK_RPM_PACKAGE_URL ${CPACK_PACKAGE_HOMEPAGE_URL} ) 845 set( CPACK_RPM_PACKAGE_LICENSE "MIT" ) 846 set( CPACK_RPM_COMPONENT_INSTALL 1 ) 847 set( CPACK_RPM_COMPRESSION_TYPE "xz" ) 848 set( CPACK_RPM_PACKAGE_AUTOPROV 1 ) 849 850 set( CPACK_RPM_Library_PACKAGE_SUMMARY ${CPACK_COMPONENT_Library_DESCRIPTION} ) 851 set( CPACK_RPM_Library_PACKAGE_ARCHITECTURE ${CPACK_RPM_PACKAGE_ARCHITECTURE} ) 852 set( CPACK_RPM_Library_PACKAGE_NAME "libcares${CARES_LIB_VERSION_MAJOR}" ) 853 set( CPACK_RPM_Library_FILE_NAME "RPM-DEFAULT" ) 854 855 set( CPACK_RPM_Devel_PACKAGE_REQUIRES "cmake >= ${CMAKE_MINIMUM_REQUIRED_VERSION}, ${CPACK_RPM_Library_PACKAGE_NAME} >= ${CPACK_PACKAGE_VERSION}" ) 856 set( CPACK_RPM_Devel_PACKAGE_SUMMARY ${CPACK_COMPONENT_Devel_DESCRIPTION} ) 857 set( CPACK_RPM_Devel_PACKAGE_ARCHITECTURE ${CPACK_RPM_PACKAGE_ARCHITECTURE} ) 858 set( CPACK_RPM_Devel_PACKAGE_NAME "${CPACK_PACKAGE_NAME}-devel" ) 859 set( CPACK_RPM_Devel_FILE_NAME "RPM-DEFAULT" ) 860 861 IF (CARES_BUILD_TOOLS) 862 set( CPACK_RPM_Tools_PACKAGE_REQUIRES "${CPACK_RPM_Library_PACKAGE_NAME} >= ${CPACK_PACKAGE_VERSION}" ) 863 set( CPACK_RPM_Tools_PACKAGE_SUMMARY ${CPACK_COMPONENT_Tools_DESCRIPTION} ) 864 set( CPACK_RPM_Tools_PACKAGE_ARCHITECTURE ${CPACK_RPM_PACKAGE_ARCHITECTURE} ) 865 set( CPACK_RPM_Tools_PACKAGE_NAME "${CPACK_PACKAGE_NAME}-tools" ) 866 set( CPACK_RPM_Tools_FILE_NAME "RPM-DEFAULT" ) 867 ENDIF () 868 869 870 # DEB - https://cmake.org/cmake/help/latest/cpack_gen/deb.html 871 set( CPACK_DEBIAN_PACKAGE_RELEASE ${CPACK_PACKAGE_RELEASE} ) 872 set( CPACK_DEBIAN_PACKAGE_HOMEPAGE ${CPACK_PACKAGE_HOMEPAGE_URL} ) 873 set( CPACK_DEB_COMPONENT_INSTALL 1 ) 874 set( CPACK_DEBIAN_COMPRESSION_TYPE "xz") 875 set( CPACK_DEBIAN_PACKAGE_SHLIBDEPS 1 ) 876 877 if ( ${CPACK_PACKAGE_ARCHITECTURE} STREQUAL "x86_64" ) 878 set( CPACK_DEBIAN_PACKAGE_ARCHITECTURE "amd64" ) # DEB doesn't always use the kernel's arch name 879 else() 880 set( CPACK_DEBIAN_PACKAGE_ARCHITECTURE ${CPACK_PACKAGE_ARCHITECTURE} ) 881 endif() 882 883 set( CPACK_DEBIAN_FILE_NAME "DEB-DEFAULT" ) # Use default naming scheme 884 885 set( CPACK_DEBIAN_LIBRARY_PACKAGE_NAME ${CPACK_RPM_Library_PACKAGE_NAME} ) 886 887 set( CPACK_DEBIAN_DEVEL_PACKAGE_DEPENDS "cmake (>= ${CMAKE_MINIMUM_REQUIRED_VERSION}), ${CPACK_DEBIAN_LIBRARY_PACKAGE_NAME} (>= ${CPACK_PACKAGE_VERSION})" ) 888 set( CPACK_DEBIAN_DEVEL_PACKAGE_NAME "${CPACK_PACKAGE_NAME}-dev" ) 889 890 IF (CARES_BUILD_TOOLS) 891 set( CPACK_DEBIAN_TOOLS_PACKAGE_NAME "${CPACK_PACKAGE_NAME}-tools" ) 892 set( CPACK_DEBIAN_TOOLS_PACKAGE_SHLIBDEPS OFF ) # dpkg-shlibdeps can't find the libs we built 893 set( CPACK_DEBIAN_TOOLS_PACKAGE_DEPENDS "${CPACK_DEBIAN_LIBRARY_PACKAGE_NAME} (>= ${CPACK_PACKAGE_VERSION})" ) 894 ENDIF () 895 896 elseif( ${CMAKE_HOST_WIN32} ) 897 set( CPACK_NSIS_ENABLE_UNINSTALL_BEFORE_INSTALL ON ) 898 set( CPACK_NSIS_DISPLAY_NAME ${PROJECT_NAME} ) 899 set( CPACK_NSIS_PACKAGE_NAME ${PROJECT_NAME} ) 900 set( CPACK_NSIS_URL_INFO_ABOUT ${CPACK_PACKAGE_HOMEPAGE_URL} ) 901 endif() 902 903 # This must always be last! 904 include( CPack ) 905ENDIF () 906