Alien-cares
view release on metacpan or search on metacpan
libcares/CMakeLists.txt view on Meta::CPAN
}
"
IOS_V10)
CHECK_C_SOURCE_COMPILES ("
#include <stdio.h>
#include <AvailabilityMacros.h>
#ifndef MAC_OS_X_VERSION_10_12
# define MAC_OS_X_VERSION_10_12 101200
#endif
int main() {
#if MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_12
# error Not MacOSX 10.12 or higher
#endif
return 0;
}
"
MACOS_V1012)
ENDIF ()
IF (IOS AND HAVE_LIBRESOLV)
SET (CARES_USE_LIBRESOLV 1)
ENDIF()
CHECK_LIBRARY_EXISTS (nsl gethostbyname "" HAVE_LIBNSL)
CHECK_LIBRARY_EXISTS (socket gethostbyname "" HAVE_GHBN_LIBSOCKET)
CHECK_LIBRARY_EXISTS (socket socket "" HAVE_SOCKET_LIBSOCKET)
IF (HAVE_GHBN_LIBSOCKET OR HAVE_SOCKET_LIBSOCKET)
SET(HAVE_LIBSOCKET TRUE)
ENDIF ()
CHECK_LIBRARY_EXISTS (rt clock_gettime "" HAVE_LIBRT)
# Look for necessary includes
CHECK_INCLUDE_FILES (sys/types.h HAVE_SYS_TYPES_H)
CHECK_INCLUDE_FILES (sys/socket.h HAVE_SYS_SOCKET_H)
CHECK_INCLUDE_FILES (arpa/inet.h HAVE_ARPA_INET_H)
CHECK_INCLUDE_FILES (arpa/nameser_compat.h HAVE_ARPA_NAMESER_COMPAT_H)
CHECK_INCLUDE_FILES (arpa/nameser.h HAVE_ARPA_NAMESER_H)
CHECK_INCLUDE_FILES (assert.h HAVE_ASSERT_H)
CHECK_INCLUDE_FILES (errno.h HAVE_ERRNO_H)
CHECK_INCLUDE_FILES (fcntl.h HAVE_FCNTL_H)
CHECK_INCLUDE_FILES (inttypes.h HAVE_INTTYPES_H)
CHECK_INCLUDE_FILES (limits.h HAVE_LIMITS_H)
CHECK_INCLUDE_FILES (malloc.h HAVE_MALLOC_H)
CHECK_INCLUDE_FILES (memory.h HAVE_MEMORY_H)
CHECK_INCLUDE_FILES (netdb.h HAVE_NETDB_H)
CHECK_INCLUDE_FILES (netinet/in.h HAVE_NETINET_IN_H)
CHECK_INCLUDE_FILES (netinet/tcp.h HAVE_NETINET_TCP_H)
CHECK_INCLUDE_FILES (net/if.h HAVE_NET_IF_H)
CHECK_INCLUDE_FILES (signal.h HAVE_SIGNAL_H)
CHECK_INCLUDE_FILES (socket.h HAVE_SOCKET_H)
CHECK_INCLUDE_FILES (stdbool.h HAVE_STDBOOL_H)
CHECK_INCLUDE_FILES (stdint.h HAVE_STDINT_H)
CHECK_INCLUDE_FILES (stdlib.h HAVE_STDLIB_H)
CHECK_INCLUDE_FILES (strings.h HAVE_STRINGS_H)
CHECK_INCLUDE_FILES (string.h HAVE_STRING_H)
CHECK_INCLUDE_FILES (stropts.h HAVE_STROPTS_H)
CHECK_INCLUDE_FILES (sys/ioctl.h HAVE_SYS_IOCTL_H)
CHECK_INCLUDE_FILES (sys/param.h HAVE_SYS_PARAM_H)
CHECK_INCLUDE_FILES (sys/select.h HAVE_SYS_SELECT_H)
CHECK_INCLUDE_FILES (sys/socket.h HAVE_SYS_SOCKET_H)
CHECK_INCLUDE_FILES (sys/stat.h HAVE_SYS_STAT_H)
CHECK_INCLUDE_FILES (sys/time.h HAVE_SYS_TIME_H)
CHECK_INCLUDE_FILES (sys/types.h HAVE_SYS_TYPES_H)
CHECK_INCLUDE_FILES (sys/uio.h HAVE_SYS_UIO_H)
CHECK_INCLUDE_FILES (time.h HAVE_TIME_H)
CHECK_INCLUDE_FILES (dlfcn.h HAVE_DLFCN_H)
CHECK_INCLUDE_FILES (unistd.h HAVE_UNISTD_H)
# Include order matters for these windows files.
CHECK_INCLUDE_FILES ("winsock2.h;windows.h" HAVE_WINSOCK2_H)
CHECK_INCLUDE_FILES ("winsock2.h;ws2tcpip.h;windows.h" HAVE_WS2TCPIP_H)
CHECK_INCLUDE_FILES ("winsock.h;windows.h" HAVE_WINSOCK_H)
CHECK_INCLUDE_FILES (windows.h HAVE_WINDOWS_H)
# Set system-specific compiler flags
IF (CMAKE_SYSTEM_NAME STREQUAL "Darwin")
LIST (APPEND SYSFLAGS -D_DARWIN_C_SOURCE)
ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "Linux")
LIST (APPEND SYSFLAGS -D_GNU_SOURCE -D_POSIX_C_SOURCE=199309L -D_XOPEN_SOURCE=600)
ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "SunOS")
LIST (APPEND SYSFLAGS -D__EXTENSIONS__ -D_REENTRANT -D_XOPEN_SOURCE=600)
ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "AIX")
LIST (APPEND SYSFLAGS -D_ALL_SOURCE -D_XOPEN_SOURCE=600 -D_USE_IRS)
ELSEIF (CMAKE_SYSTEM_NAME STREQUAL "FreeBSD")
# Don't define _XOPEN_SOURCE on FreeBSD, it actually reduces visibility instead of increasing it
ELSEIF (WIN32)
LIST (APPEND SYSFLAGS -DWIN32_LEAN_AND_MEAN -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE -D_WIN32_WINNT=0x0600)
ENDIF ()
ADD_DEFINITIONS(${SYSFLAGS})
# Tell C-Ares about libraries to depend on
IF (HAVE_LIBRESOLV)
LIST (APPEND CARES_DEPENDENT_LIBS resolv)
ENDIF ()
IF (HAVE_LIBNSL)
LIST (APPEND CARES_DEPENDENT_LIBS nsl)
ENDIF ()
IF (HAVE_LIBSOCKET)
LIST (APPEND CARES_DEPENDENT_LIBS socket)
ENDIF ()
IF (HAVE_LIBRT)
LIST (APPEND CARES_DEPENDENT_LIBS rt)
ENDIF ()
IF (WIN32)
LIST (APPEND CARES_DEPENDENT_LIBS ws2_32)
ENDIF ()
# When checking for symbols, we need to make sure we set the proper
# headers, libraries, and definitions for the detection to work properly
# CMAKE_REQUIRED_DEFINITIONS, CMAKE_REQUIRED_LIBRARIES, and
# CMAKE_EXTRA_INCLUDE_FILES. When we're done with the detection, we'll
# unset them.
SET (CMAKE_REQUIRED_DEFINITIONS ${SYSFLAGS})
LIST (APPEND CMAKE_REQUIRED_LIBRARIES ${CARES_DEPENDENT_LIBS})
MACRO (CARES_EXTRAINCLUDE_IFSET var include)
IF (${var})
LIST (APPEND CMAKE_EXTRA_INCLUDE_FILES ${include})
ENDIF ()
ENDMACRO ()
CARES_EXTRAINCLUDE_IFSET (HAVE_STDBOOL_H stdbool.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_TYPES_H sys/types.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_ARPA_INET_H arpa/inet.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_ARPA_NAMESER_H arpa/nameser.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_NETDB_H netdb.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_NET_IF_H net/if.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_NETINET_IN_H netinet/in.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_NETINET_TCP_H netinet/tcp.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SIGNAL_H signal.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_STDLIB_H stdlib.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_STRING_H string.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_STRINGS_H strings.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_IOCTL_H sys/ioctl.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_SELECT_H sys/select.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_SOCKET_H sys/socket.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_TIME_H sys/time.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_SYS_UIO_H sys/uio.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_TIME_H time.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_FCNTL_H fcntl.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_UNISTD_H unistd.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_WINSOCK2_H winsock2.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_WS2TCPIP_H ws2tcpip.h)
CARES_EXTRAINCLUDE_IFSET (HAVE_WINDOWS_H windows.h)
# Check Types
# CHECK_TYPE_SIZE can't be used to see if a type exists because on Apple when
# building multi-arch, it will throw an error. So we need to wrap
# CHECK_C_SOURCE_COMPILES for our tests.
MACRO (CARES_TYPE_EXISTS type var)
SET(_CARES_C_SOURCE "
#include <stdio.h>
#include <stdlib.h>
")
FOREACH(_C_HEADER ${CMAKE_EXTRA_INCLUDE_FILES})
SET(_CARES_C_SOURCE "${_CARES_C_SOURCE}
#include <${_C_HEADER}>")
ENDFOREACH(_C_HEADER)
SET(_CARES_C_SOURCE "${_CARES_C_SOURCE}
int main() {
${type} var_exists;
(void)var_exists;
return 0;
}
")
CHECK_C_SOURCE_COMPILES ("${_CARES_C_SOURCE}" ${var})
ENDMACRO ()
CARES_TYPE_EXISTS (socklen_t HAVE_SOCKLEN_T)
CARES_TYPE_EXISTS (SOCKET HAVE_TYPE_SOCKET)
CARES_TYPE_EXISTS (bool HAVE_BOOL_T)
CARES_TYPE_EXISTS (ssize_t HAVE_SSIZE_T)
CARES_TYPE_EXISTS ("long long" HAVE_LONGLONG)
CARES_TYPE_EXISTS (sig_atomic_t HAVE_SIG_ATOMIC_T)
CARES_TYPE_EXISTS ("struct addrinfo" HAVE_STRUCT_ADDRINFO)
CARES_TYPE_EXISTS ("struct in6_addr" HAVE_STRUCT_IN6_ADDR)
CARES_TYPE_EXISTS ("struct sockaddr_in6" HAVE_STRUCT_SOCKADDR_IN6)
CARES_TYPE_EXISTS ("struct sockaddr_storage" HAVE_STRUCT_SOCKADDR_STORAGE)
CARES_TYPE_EXISTS ("struct timeval" HAVE_STRUCT_TIMEVAL)
# Check for preprocessor defines
CHECK_SYMBOL_EXISTS (AF_INET6 "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_AF_INET6)
CHECK_SYMBOL_EXISTS (O_NONBLOCK "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_O_NONBLOCK)
CHECK_SYMBOL_EXISTS (FIONBIO "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_FIONBIO)
CHECK_SYMBOL_EXISTS (SIOCGIFADDR "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_IOCTL_SIOCGIFADDR)
CHECK_SYMBOL_EXISTS (MSG_NOSIGNAL "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_MSG_NOSIGNAL)
CHECK_SYMBOL_EXISTS (PF_INET6 "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_PF_INET6)
CHECK_SYMBOL_EXISTS (SO_NONBLOCK "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_SO_NONBLOCK)
# XCode v8 bug: iOS when targeting less than v10, or MacOS when targeting less than v10.12 will
# say clock_gettime exists, it is a weak symbol that only exists in iOS10/MacOS10.12 and will
# cause a crash at runtime when running on older versions. Skip finding CLOCK_MONOTONIC on older
# OS's.
( run in 0.966 second using v1.01-cache-2.11-cpan-22024b96cdf )