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configure.cmake
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configure.cmake
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# Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
INCLUDE (CheckCSourceCompiles)
INCLUDE (CheckCXXSourceCompiles)
INCLUDE (CheckStructHasMember)
INCLUDE (CheckLibraryExists)
INCLUDE (CheckFunctionExists)
INCLUDE (CheckCCompilerFlag)
INCLUDE (CheckCSourceRuns)
INCLUDE (CheckCXXSourceRuns)
INCLUDE (CheckSymbolExists)
# WITH_PIC options.Not of much use, PIC is taken care of on platforms
# where it makes sense anyway.
IF(UNIX)
IF(APPLE)
# OSX executable are always PIC
SET(WITH_PIC ON)
ELSE()
OPTION(WITH_PIC "Generate PIC objects" OFF)
IF(WITH_PIC)
SET(CMAKE_C_FLAGS
"${CMAKE_C_FLAGS} ${CMAKE_SHARED_LIBRARY_C_FLAGS}")
SET(CMAKE_CXX_FLAGS
"${CMAKE_CXX_FLAGS} ${CMAKE_SHARED_LIBRARY_CXX_FLAGS}")
ENDIF()
ENDIF()
ENDIF()
# System type affects version_compile_os variable
IF(NOT SYSTEM_TYPE)
IF(PLATFORM)
SET(SYSTEM_TYPE ${PLATFORM})
ELSE()
SET(SYSTEM_TYPE ${CMAKE_SYSTEM_NAME})
ENDIF()
ENDIF()
# As a consequence of ALARMs no longer being used, thread
# notification for KILL must close the socket to wake up
# other threads.
SET(SIGNAL_WITH_VIO_SHUTDOWN 1)
# The default C++ library for SunPro is really old, and not standards compliant.
# http://www.oracle.com/technetwork/server-storage/solaris10/cmp-stlport-libcstd-142559.html
# Use stlport rather than Rogue Wave.
IF(CMAKE_SYSTEM_NAME MATCHES "SunOS")
IF(CMAKE_CXX_COMPILER_ID MATCHES "SunPro")
IF(SUNPRO_CXX_LIBRARY)
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -library=${SUNPRO_CXX_LIBRARY}")
ELSE()
SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -library=stlport4")
ENDIF()
ENDIF()
ENDIF()
# Check to see if we are using LLVM's libc++ rather than e.g. libstd++
# Can then check HAVE_LLBM_LIBCPP later without including e.g. ciso646.
CHECK_CXX_SOURCE_RUNS("
#include <ciso646>
int main()
{
#ifdef _LIBCPP_VERSION
return 0;
#else
return 1;
#endif
}" HAVE_LLVM_LIBCPP)
MACRO(DIRNAME IN OUT)
GET_FILENAME_COMPONENT(${OUT} ${IN} PATH)
ENDMACRO()
IF(CMAKE_SYSTEM_NAME MATCHES "SunOS" AND
CMAKE_C_COMPILER_ID MATCHES "SunPro" AND
CMAKE_CXX_FLAGS MATCHES "stlport4")
DIRNAME(${CMAKE_CXX_COMPILER} CXX_PATH)
SET(STLPORT_SUFFIX "lib/stlport4")
IF(CMAKE_SIZEOF_VOID_P EQUAL 8 AND CMAKE_SYSTEM_PROCESSOR MATCHES "sparc")
SET(STLPORT_SUFFIX "lib/stlport4/v9")
ENDIF()
IF(CMAKE_SIZEOF_VOID_P EQUAL 8 AND CMAKE_SYSTEM_PROCESSOR MATCHES "i386")
SET(STLPORT_SUFFIX "lib/stlport4/amd64")
ENDIF()
FIND_LIBRARY(STL_LIBRARY_NAME
NAMES "stlport"
PATHS ${CXX_PATH}/../${STLPORT_SUFFIX}
)
MESSAGE(STATUS "STL_LIBRARY_NAME ${STL_LIBRARY_NAME}")
IF(STL_LIBRARY_NAME)
DIRNAME(${STL_LIBRARY_NAME} STLPORT_PATH)
# We re-distribute libstlport.so which is a symlink to libstlport.so.1
# There is no 'readlink' on solaris, so we use perl to follow links:
SET(PERLSCRIPT
"my $link= $ARGV[0]; use Cwd qw(abs_path); my $file = abs_path($link); print $file;")
EXECUTE_PROCESS(
COMMAND perl -e "${PERLSCRIPT}" ${STL_LIBRARY_NAME}
RESULT_VARIABLE result
OUTPUT_VARIABLE real_library
)
MESSAGE(STATUS "INSTALL ${STL_LIBRARY_NAME} ${real_library}")
INSTALL(FILES ${STL_LIBRARY_NAME} ${real_library}
DESTINATION ${INSTALL_LIBDIR} COMPONENT Development)
# Using the $ORIGIN token with the -R option to locate the libraries
# on a path relative to the executable:
# We need an extra backslash to pass $ORIGIN to the mysql_config script...
SET(QUOTED_CMAKE_CXX_LINK_FLAGS
"${CMAKE_CXX_LINK_FLAGS} -R'\\$ORIGIN/../lib' -R${STLPORT_PATH}")
SET(CMAKE_CXX_LINK_FLAGS
"${CMAKE_CXX_LINK_FLAGS} -R'\$ORIGIN/../lib' -R${STLPORT_PATH}")
MESSAGE(STATUS "CMAKE_CXX_LINK_FLAGS ${CMAKE_CXX_LINK_FLAGS}")
ENDIF()
ENDIF()
IF(CMAKE_COMPILER_IS_GNUCXX)
IF (CMAKE_EXE_LINKER_FLAGS MATCHES " -static "
OR CMAKE_EXE_LINKER_FLAGS MATCHES " -static$")
SET(HAVE_DLOPEN FALSE CACHE "Disable dlopen due to -static flag" FORCE)
SET(WITHOUT_DYNAMIC_PLUGINS TRUE)
ENDIF()
ENDIF()
IF(WITHOUT_DYNAMIC_PLUGINS)
MESSAGE("Dynamic plugins are disabled.")
ENDIF(WITHOUT_DYNAMIC_PLUGINS)
# Large files, common flag
SET(_LARGEFILE_SOURCE 1)
# If finds the size of a type, set SIZEOF_<type> and HAVE_<type>
FUNCTION(MY_CHECK_TYPE_SIZE type defbase)
CHECK_TYPE_SIZE("${type}" SIZEOF_${defbase})
IF(SIZEOF_${defbase})
SET(HAVE_${defbase} 1 PARENT_SCOPE)
ENDIF()
ENDFUNCTION()
# Same for structs, setting HAVE_STRUCT_<name> instead
FUNCTION(MY_CHECK_STRUCT_SIZE type defbase)
CHECK_TYPE_SIZE("struct ${type}" SIZEOF_${defbase})
IF(SIZEOF_${defbase})
SET(HAVE_STRUCT_${defbase} 1 PARENT_SCOPE)
ENDIF()
ENDFUNCTION()
# Searches function in libraries
# if function is found, sets output parameter result to the name of the library
# if function is found in libc, result will be empty
FUNCTION(MY_SEARCH_LIBS func libs result)
IF(${${result}})
# Library is already found or was predefined
RETURN()
ENDIF()
CHECK_FUNCTION_EXISTS(${func} HAVE_${func}_IN_LIBC)
IF(HAVE_${func}_IN_LIBC)
SET(${result} "" PARENT_SCOPE)
RETURN()
ENDIF()
FOREACH(lib ${libs})
CHECK_LIBRARY_EXISTS(${lib} ${func} "" HAVE_${func}_IN_${lib})
IF(HAVE_${func}_IN_${lib})
SET(${result} ${lib} PARENT_SCOPE)
SET(HAVE_${result} 1 PARENT_SCOPE)
RETURN()
ENDIF()
ENDFOREACH()
ENDFUNCTION()
# Find out which libraries to use.
IF(UNIX)
MY_SEARCH_LIBS(floor m LIBM)
IF(NOT LIBM)
MY_SEARCH_LIBS(__infinity m LIBM)
ENDIF()
MY_SEARCH_LIBS(gethostbyname_r "nsl_r;nsl" LIBNSL)
MY_SEARCH_LIBS(bind "bind;socket" LIBBIND)
MY_SEARCH_LIBS(crypt crypt LIBCRYPT)
MY_SEARCH_LIBS(setsockopt socket LIBSOCKET)
MY_SEARCH_LIBS(dlopen dl LIBDL)
MY_SEARCH_LIBS(sched_yield rt LIBRT)
IF(NOT LIBRT)
MY_SEARCH_LIBS(clock_gettime rt LIBRT)
ENDIF()
FIND_PACKAGE(Threads)
SET(CMAKE_REQUIRED_LIBRARIES
${LIBM} ${LIBNSL} ${LIBBIND} ${LIBCRYPT} ${LIBSOCKET} ${LIBDL} ${CMAKE_THREAD_LIBS_INIT} ${LIBRT})
# Need explicit pthread for gcc -fsanitize=address
IF(CMAKE_USE_PTHREADS_INIT AND CMAKE_C_FLAGS MATCHES "-fsanitize=")
SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} pthread)
ENDIF()
LIST(LENGTH CMAKE_REQUIRED_LIBRARIES required_libs_length)
IF(${required_libs_length} GREATER 0)
LIST(REMOVE_DUPLICATES CMAKE_REQUIRED_LIBRARIES)
ENDIF()
LINK_LIBRARIES(${CMAKE_THREAD_LIBS_INIT})
OPTION(WITH_LIBWRAP "Compile with tcp wrappers support" OFF)
IF(WITH_LIBWRAP)
SET(SAVE_CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES})
SET(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} wrap)
CHECK_C_SOURCE_COMPILES(
"
#include <tcpd.h>
int allow_severity = 0;
int deny_severity = 0;
int main()
{
hosts_access(0);
}"
HAVE_LIBWRAP)
SET(CMAKE_REQUIRED_LIBRARIES ${SAVE_CMAKE_REQUIRED_LIBRARIES})
IF(HAVE_LIBWRAP)
SET(MYSYS_LIBWRAP_SOURCE ${CMAKE_SOURCE_DIR}/mysys/my_libwrap.c)
SET(LIBWRAP "wrap")
ELSE()
MESSAGE(FATAL_ERROR
"WITH_LIBWRAP is defined, but can not find a working libwrap. "
"Make sure both the header files (tcpd.h) "
"and the library (libwrap) are installed.")
ENDIF()
ENDIF()
ENDIF()
#
# Tests for header files
#
INCLUDE (CheckIncludeFiles)
INCLUDE (CheckIncludeFileCXX)
CHECK_INCLUDE_FILES ("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
CHECK_INCLUDE_FILES (sys/types.h HAVE_SYS_TYPES_H)
CHECK_INCLUDE_FILES (alloca.h HAVE_ALLOCA_H)
CHECK_INCLUDE_FILES (aio.h HAVE_AIO_H)
CHECK_INCLUDE_FILES (arpa/inet.h HAVE_ARPA_INET_H)
CHECK_INCLUDE_FILES (crypt.h HAVE_CRYPT_H)
CHECK_INCLUDE_FILE_CXX (cxxabi.h HAVE_CXXABI_H)
CHECK_INCLUDE_FILES (dlfcn.h HAVE_DLFCN_H)
CHECK_INCLUDE_FILES (execinfo.h HAVE_EXECINFO_H)
CHECK_INCLUDE_FILES (fcntl.h HAVE_FCNTL_H)
CHECK_INCLUDE_FILES (fenv.h HAVE_FENV_H)
CHECK_INCLUDE_FILES (float.h HAVE_FLOAT_H)
CHECK_INCLUDE_FILES (floatingpoint.h HAVE_FLOATINGPOINT_H)
CHECK_INCLUDE_FILES (fpu_control.h HAVE_FPU_CONTROL_H)
CHECK_INCLUDE_FILES (grp.h HAVE_GRP_H)
CHECK_INCLUDE_FILES (ieeefp.h HAVE_IEEEFP_H)
CHECK_INCLUDE_FILES (inttypes.h HAVE_INTTYPES_H)
CHECK_INCLUDE_FILES (langinfo.h HAVE_LANGINFO_H)
CHECK_INCLUDE_FILES (limits.h HAVE_LIMITS_H)
CHECK_INCLUDE_FILES (locale.h HAVE_LOCALE_H)
CHECK_INCLUDE_FILES (malloc.h HAVE_MALLOC_H)
CHECK_INCLUDE_FILES (memory.h HAVE_MEMORY_H)
CHECK_INCLUDE_FILES (ndir.h HAVE_NDIR_H)
CHECK_INCLUDE_FILES (netinet/in.h HAVE_NETINET_IN_H)
CHECK_INCLUDE_FILES (paths.h HAVE_PATHS_H)
CHECK_INCLUDE_FILES (port.h HAVE_PORT_H)
CHECK_INCLUDE_FILES (poll.h HAVE_POLL_H)
CHECK_INCLUDE_FILES (pwd.h HAVE_PWD_H)
CHECK_INCLUDE_FILES (sched.h HAVE_SCHED_H)
CHECK_INCLUDE_FILES (select.h HAVE_SELECT_H)
CHECK_INCLUDE_FILES (semaphore.h HAVE_SEMAPHORE_H)
CHECK_INCLUDE_FILES ("sys/types.h;sys/dir.h" HAVE_SYS_DIR_H)
CHECK_INCLUDE_FILES (sys/ndir.h HAVE_SYS_NDIR_H)
CHECK_INCLUDE_FILES (sys/pte.h HAVE_SYS_PTE_H)
CHECK_INCLUDE_FILES (stddef.h HAVE_STDDEF_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 (synch.h HAVE_SYNCH_H)
CHECK_INCLUDE_FILES (sysent.h HAVE_SYSENT_H)
CHECK_INCLUDE_FILES (sys/cdefs.h HAVE_SYS_CDEFS_H)
CHECK_INCLUDE_FILES (sys/file.h HAVE_SYS_FILE_H)
CHECK_INCLUDE_FILES (sys/fpu.h HAVE_SYS_FPU_H)
CHECK_INCLUDE_FILES (sys/ioctl.h HAVE_SYS_IOCTL_H)
CHECK_INCLUDE_FILES (sys/ipc.h HAVE_SYS_IPC_H)
CHECK_INCLUDE_FILES (sys/malloc.h HAVE_SYS_MALLOC_H)
CHECK_INCLUDE_FILES (sys/mman.h HAVE_SYS_MMAN_H)
CHECK_INCLUDE_FILES (sys/prctl.h HAVE_SYS_PRCTL_H)
CHECK_INCLUDE_FILES (sys/resource.h HAVE_SYS_RESOURCE_H)
CHECK_INCLUDE_FILES (sys/select.h HAVE_SYS_SELECT_H)
CHECK_INCLUDE_FILES (sys/shm.h HAVE_SYS_SHM_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/stream.h HAVE_SYS_STREAM_H)
CHECK_INCLUDE_FILES (sys/termcap.h HAVE_SYS_TERMCAP_H)
CHECK_INCLUDE_FILES ("time.h;sys/timeb.h" HAVE_SYS_TIMEB_H)
CHECK_INCLUDE_FILES ("curses.h;term.h" HAVE_TERM_H)
CHECK_INCLUDE_FILES (asm/termbits.h HAVE_ASM_TERMBITS_H)
CHECK_INCLUDE_FILES (termbits.h HAVE_TERMBITS_H)
CHECK_INCLUDE_FILES (termios.h HAVE_TERMIOS_H)
CHECK_INCLUDE_FILES (termio.h HAVE_TERMIO_H)
CHECK_INCLUDE_FILES (termcap.h HAVE_TERMCAP_H)
CHECK_INCLUDE_FILES (unistd.h HAVE_UNISTD_H)
CHECK_INCLUDE_FILES (utime.h HAVE_UTIME_H)
CHECK_INCLUDE_FILES (varargs.h HAVE_VARARGS_H)
CHECK_INCLUDE_FILES (sys/time.h HAVE_SYS_TIME_H)
CHECK_INCLUDE_FILES (sys/utime.h HAVE_SYS_UTIME_H)
CHECK_INCLUDE_FILES (sys/wait.h HAVE_SYS_WAIT_H)
CHECK_INCLUDE_FILES (sys/param.h HAVE_SYS_PARAM_H)
CHECK_INCLUDE_FILES (sys/vadvise.h HAVE_SYS_VADVISE_H)
CHECK_INCLUDE_FILES (fnmatch.h HAVE_FNMATCH_H)
CHECK_INCLUDE_FILES (stdarg.h HAVE_STDARG_H)
CHECK_INCLUDE_FILES ("stdlib.h;sys/un.h" HAVE_SYS_UN_H)
CHECK_INCLUDE_FILES (vis.h HAVE_VIS_H)
CHECK_INCLUDE_FILES (wchar.h HAVE_WCHAR_H)
CHECK_INCLUDE_FILES (wctype.h HAVE_WCTYPE_H)
CHECK_INCLUDE_FILES (sasl/sasl.h HAVE_SASL_SASL_H)
# For libevent
CHECK_INCLUDE_FILES(sys/devpoll.h HAVE_DEVPOLL)
CHECK_INCLUDE_FILES(signal.h HAVE_SIGNAL_H)
CHECK_INCLUDE_FILES(sys/devpoll.h HAVE_SYS_DEVPOLL_H)
CHECK_INCLUDE_FILES(sys/epoll.h HAVE_SYS_EPOLL_H)
CHECK_INCLUDE_FILES(sys/event.h HAVE_SYS_EVENT_H)
CHECK_INCLUDE_FILES(sys/queue.h HAVE_SYS_QUEUE_H)
CHECK_SYMBOL_EXISTS (TAILQ_FOREACH "sys/queue.h" HAVE_TAILQFOREACH)
IF(HAVE_SYS_STREAM_H)
# Needs sys/stream.h on Solaris
CHECK_INCLUDE_FILES ("sys/stream.h;sys/ptem.h" HAVE_SYS_PTEM_H)
ELSE()
CHECK_INCLUDE_FILES (sys/ptem.h HAVE_SYS_PTEM_H)
ENDIF()
# Figure out threading library
# Defines CMAKE_USE_PTHREADS_INIT and CMAKE_THREAD_LIBS_INIT.
FIND_PACKAGE (Threads)
FUNCTION(MY_CHECK_PTHREAD_ONCE_INIT)
CHECK_C_COMPILER_FLAG("-Werror" HAVE_WERROR_FLAG)
IF(HAVE_WERROR_FLAG)
SET(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -Werror")
ENDIF()
CHECK_C_SOURCE_COMPILES("
#include <pthread.h>
void foo(void) {}
int main()
{
pthread_once_t once_control = PTHREAD_ONCE_INIT;
pthread_once(&once_control, foo);
return 0;
}"
HAVE_PTHREAD_ONCE_INIT
)
# http://bugs.opensolaris.org/bugdatabase/printableBug.do?bug_id=6611808
IF(NOT HAVE_PTHREAD_ONCE_INIT)
CHECK_C_SOURCE_COMPILES("
#include <pthread.h>
void foo(void) {}
int main()
{
pthread_once_t once_control = { PTHREAD_ONCE_INIT };
pthread_once(&once_control, foo);
return 0;
}"
HAVE_ARRAY_PTHREAD_ONCE_INIT
)
ENDIF()
IF(HAVE_PTHREAD_ONCE_INIT)
SET(PTHREAD_ONCE_INITIALIZER "PTHREAD_ONCE_INIT" PARENT_SCOPE)
ENDIF()
IF(HAVE_ARRAY_PTHREAD_ONCE_INIT)
SET(PTHREAD_ONCE_INITIALIZER "{ PTHREAD_ONCE_INIT }" PARENT_SCOPE)
ENDIF()
ENDFUNCTION()
IF(CMAKE_USE_PTHREADS_INIT)
MY_CHECK_PTHREAD_ONCE_INIT()
ENDIF()
#
# Tests for functions
#
CHECK_FUNCTION_EXISTS (_aligned_malloc HAVE_ALIGNED_MALLOC)
CHECK_FUNCTION_EXISTS (_aligned_free HAVE_ALIGNED_FREE)
#CHECK_FUNCTION_EXISTS (aiowait HAVE_AIOWAIT)
CHECK_FUNCTION_EXISTS (aio_read HAVE_AIO_READ)
CHECK_FUNCTION_EXISTS (alarm HAVE_ALARM)
SET(HAVE_ALLOCA 1)
CHECK_FUNCTION_EXISTS (backtrace HAVE_BACKTRACE)
CHECK_FUNCTION_EXISTS (backtrace_symbols HAVE_BACKTRACE_SYMBOLS)
CHECK_FUNCTION_EXISTS (backtrace_symbols_fd HAVE_BACKTRACE_SYMBOLS_FD)
CHECK_FUNCTION_EXISTS (printstack HAVE_PRINTSTACK)
CHECK_FUNCTION_EXISTS (bmove HAVE_BMOVE)
CHECK_FUNCTION_EXISTS (bsearch HAVE_BSEARCH)
CHECK_FUNCTION_EXISTS (index HAVE_INDEX)
CHECK_FUNCTION_EXISTS (clock_gettime HAVE_CLOCK_GETTIME)
CHECK_FUNCTION_EXISTS (cuserid HAVE_CUSERID)
CHECK_FUNCTION_EXISTS (directio HAVE_DIRECTIO)
CHECK_FUNCTION_EXISTS (_doprnt HAVE_DOPRNT)
CHECK_FUNCTION_EXISTS (flockfile HAVE_FLOCKFILE)
CHECK_FUNCTION_EXISTS (ftruncate HAVE_FTRUNCATE)
CHECK_FUNCTION_EXISTS (getline HAVE_GETLINE)
CHECK_FUNCTION_EXISTS (compress HAVE_COMPRESS)
CHECK_FUNCTION_EXISTS (crypt HAVE_CRYPT)
CHECK_FUNCTION_EXISTS (dlerror HAVE_DLERROR)
CHECK_FUNCTION_EXISTS (dlopen HAVE_DLOPEN)
CHECK_FUNCTION_EXISTS (fchmod HAVE_FCHMOD)
CHECK_FUNCTION_EXISTS (fcntl HAVE_FCNTL)
CHECK_FUNCTION_EXISTS (fconvert HAVE_FCONVERT)
CHECK_FUNCTION_EXISTS (fdatasync HAVE_FDATASYNC)
CHECK_SYMBOL_EXISTS(fdatasync "unistd.h" HAVE_DECL_FDATASYNC)
CHECK_FUNCTION_EXISTS (fedisableexcept HAVE_FEDISABLEEXCEPT)
CHECK_FUNCTION_EXISTS (fpsetmask HAVE_FPSETMASK)
CHECK_FUNCTION_EXISTS (fseeko HAVE_FSEEKO)
CHECK_FUNCTION_EXISTS (fsync HAVE_FSYNC)
CHECK_FUNCTION_EXISTS (getcwd HAVE_GETCWD)
CHECK_FUNCTION_EXISTS (gethostbyaddr_r HAVE_GETHOSTBYADDR_R)
CHECK_FUNCTION_EXISTS (gethrtime HAVE_GETHRTIME)
CHECK_FUNCTION_EXISTS (getnameinfo HAVE_GETNAMEINFO)
CHECK_FUNCTION_EXISTS (getpass HAVE_GETPASS)
CHECK_FUNCTION_EXISTS (getpassphrase HAVE_GETPASSPHRASE)
CHECK_FUNCTION_EXISTS (getpwnam HAVE_GETPWNAM)
CHECK_FUNCTION_EXISTS (getpwuid HAVE_GETPWUID)
CHECK_FUNCTION_EXISTS (getrlimit HAVE_GETRLIMIT)
CHECK_FUNCTION_EXISTS (getrusage HAVE_GETRUSAGE)
CHECK_FUNCTION_EXISTS (getwd HAVE_GETWD)
CHECK_FUNCTION_EXISTS (gmtime_r HAVE_GMTIME_R)
CHECK_FUNCTION_EXISTS (initgroups HAVE_INITGROUPS)
CHECK_FUNCTION_EXISTS (issetugid HAVE_ISSETUGID)
CHECK_FUNCTION_EXISTS (getuid HAVE_GETUID)
CHECK_FUNCTION_EXISTS (geteuid HAVE_GETEUID)
CHECK_FUNCTION_EXISTS (getgid HAVE_GETGID)
CHECK_FUNCTION_EXISTS (getegid HAVE_GETEGID)
CHECK_FUNCTION_EXISTS (ldiv HAVE_LDIV)
CHECK_FUNCTION_EXISTS (localtime_r HAVE_LOCALTIME_R)
CHECK_FUNCTION_EXISTS (longjmp HAVE_LONGJMP)
CHECK_FUNCTION_EXISTS (lstat HAVE_LSTAT)
CHECK_FUNCTION_EXISTS (madvise HAVE_MADVISE)
CHECK_FUNCTION_EXISTS (malloc_info HAVE_MALLOC_INFO)
CHECK_FUNCTION_EXISTS (memcpy HAVE_MEMCPY)
CHECK_FUNCTION_EXISTS (memmove HAVE_MEMMOVE)
CHECK_FUNCTION_EXISTS (mkstemp HAVE_MKSTEMP)
CHECK_FUNCTION_EXISTS (mlock HAVE_MLOCK)
CHECK_FUNCTION_EXISTS (mlockall HAVE_MLOCKALL)
CHECK_FUNCTION_EXISTS (mmap HAVE_MMAP)
CHECK_FUNCTION_EXISTS (mmap64 HAVE_MMAP64)
CHECK_FUNCTION_EXISTS (perror HAVE_PERROR)
CHECK_FUNCTION_EXISTS (poll HAVE_POLL)
CHECK_FUNCTION_EXISTS (port_create HAVE_PORT_CREATE)
CHECK_FUNCTION_EXISTS (posix_fallocate HAVE_POSIX_FALLOCATE)
CHECK_FUNCTION_EXISTS (posix_memalign HAVE_POSIX_MEMALIGN)
CHECK_FUNCTION_EXISTS (pread HAVE_PREAD)
CHECK_FUNCTION_EXISTS (pthread_attr_create HAVE_PTHREAD_ATTR_CREATE)
CHECK_FUNCTION_EXISTS (pthread_attr_getguardsize HAVE_PTHREAD_ATTR_GETGUARDSIZE)
CHECK_FUNCTION_EXISTS (pthread_attr_getstacksize HAVE_PTHREAD_ATTR_GETSTACKSIZE)
CHECK_FUNCTION_EXISTS (pthread_attr_setscope HAVE_PTHREAD_ATTR_SETSCOPE)
CHECK_FUNCTION_EXISTS (pthread_attr_setstacksize HAVE_PTHREAD_ATTR_SETSTACKSIZE)
CHECK_FUNCTION_EXISTS (pthread_condattr_create HAVE_PTHREAD_CONDATTR_CREATE)
CHECK_FUNCTION_EXISTS (pthread_condattr_setclock HAVE_PTHREAD_CONDATTR_SETCLOCK)
CHECK_FUNCTION_EXISTS (pthread_key_delete HAVE_PTHREAD_KEY_DELETE)
CHECK_FUNCTION_EXISTS (pthread_rwlock_rdlock HAVE_PTHREAD_RWLOCK_RDLOCK)
CHECK_FUNCTION_EXISTS (pthread_sigmask HAVE_PTHREAD_SIGMASK)
CHECK_FUNCTION_EXISTS (pthread_threadmask HAVE_PTHREAD_THREADMASK)
CHECK_FUNCTION_EXISTS (pthread_yield_np HAVE_PTHREAD_YIELD_NP)
CHECK_FUNCTION_EXISTS (putenv HAVE_PUTENV)
CHECK_FUNCTION_EXISTS (readlink HAVE_READLINK)
CHECK_FUNCTION_EXISTS (re_comp HAVE_RE_COMP)
CHECK_FUNCTION_EXISTS (regcomp HAVE_REGCOMP)
CHECK_FUNCTION_EXISTS (realpath HAVE_REALPATH)
CHECK_FUNCTION_EXISTS (rename HAVE_RENAME)
CHECK_FUNCTION_EXISTS (rwlock_init HAVE_RWLOCK_INIT)
CHECK_FUNCTION_EXISTS (sched_yield HAVE_SCHED_YIELD)
CHECK_FUNCTION_EXISTS (setenv HAVE_SETENV)
CHECK_FUNCTION_EXISTS (setlocale HAVE_SETLOCALE)
CHECK_FUNCTION_EXISTS (setfd HAVE_SETFD)
CHECK_FUNCTION_EXISTS (sigaction HAVE_SIGACTION)
CHECK_FUNCTION_EXISTS (sigthreadmask HAVE_SIGTHREADMASK)
CHECK_FUNCTION_EXISTS (sigwait HAVE_SIGWAIT)
CHECK_FUNCTION_EXISTS (sigaddset HAVE_SIGADDSET)
CHECK_FUNCTION_EXISTS (sigemptyset HAVE_SIGEMPTYSET)
CHECK_FUNCTION_EXISTS (sighold HAVE_SIGHOLD)
CHECK_FUNCTION_EXISTS (sigset HAVE_SIGSET)
CHECK_FUNCTION_EXISTS (sleep HAVE_SLEEP)
CHECK_FUNCTION_EXISTS (snprintf HAVE_SNPRINTF)
CHECK_FUNCTION_EXISTS (stpcpy HAVE_STPCPY)
CHECK_FUNCTION_EXISTS (strcoll HAVE_STRCOLL)
CHECK_FUNCTION_EXISTS (strerror HAVE_STRERROR)
CHECK_FUNCTION_EXISTS (strlcpy HAVE_STRLCPY)
CHECK_FUNCTION_EXISTS (strnlen HAVE_STRNLEN)
CHECK_FUNCTION_EXISTS (strlcat HAVE_STRLCAT)
CHECK_FUNCTION_EXISTS (strsignal HAVE_STRSIGNAL)
CHECK_FUNCTION_EXISTS (fgetln HAVE_FGETLN)
CHECK_FUNCTION_EXISTS (strpbrk HAVE_STRPBRK)
CHECK_FUNCTION_EXISTS (strsep HAVE_STRSEP)
CHECK_FUNCTION_EXISTS (strstr HAVE_STRSTR)
CHECK_FUNCTION_EXISTS (strtok_r HAVE_STRTOK_R)
CHECK_FUNCTION_EXISTS (strtol HAVE_STRTOL)
CHECK_FUNCTION_EXISTS (strtoll HAVE_STRTOLL)
CHECK_FUNCTION_EXISTS (strtoul HAVE_STRTOUL)
CHECK_FUNCTION_EXISTS (strtoull HAVE_STRTOULL)
CHECK_FUNCTION_EXISTS (strcasecmp HAVE_STRCASECMP)
CHECK_FUNCTION_EXISTS (strncasecmp HAVE_STRNCASECMP)
CHECK_FUNCTION_EXISTS (strdup HAVE_STRDUP)
CHECK_FUNCTION_EXISTS (shmat HAVE_SHMAT)
CHECK_FUNCTION_EXISTS (shmctl HAVE_SHMCTL)
CHECK_FUNCTION_EXISTS (shmdt HAVE_SHMDT)
CHECK_FUNCTION_EXISTS (shmget HAVE_SHMGET)
CHECK_FUNCTION_EXISTS (tell HAVE_TELL)
CHECK_FUNCTION_EXISTS (tempnam HAVE_TEMPNAM)
CHECK_FUNCTION_EXISTS (thr_setconcurrency HAVE_THR_SETCONCURRENCY)
CHECK_FUNCTION_EXISTS (thr_yield HAVE_THR_YIELD)
CHECK_FUNCTION_EXISTS (vasprintf HAVE_VASPRINTF)
CHECK_FUNCTION_EXISTS (vsnprintf HAVE_VSNPRINTF)
CHECK_FUNCTION_EXISTS (vprintf HAVE_VPRINTF)
CHECK_FUNCTION_EXISTS (valloc HAVE_VALLOC)
CHECK_FUNCTION_EXISTS (memalign HAVE_MEMALIGN)
CHECK_FUNCTION_EXISTS (chown HAVE_CHOWN)
CHECK_FUNCTION_EXISTS (nl_langinfo HAVE_NL_LANGINFO)
CHECK_FUNCTION_EXISTS (ntohll HAVE_HTONLL)
CHECK_FUNCTION_EXISTS (clock_gettime DNS_USE_CPU_CLOCK_FOR_ID)
CHECK_FUNCTION_EXISTS (epoll_create HAVE_EPOLL)
CHECK_FUNCTION_EXISTS (epoll_ctl HAVE_EPOLL_CTL)
# Temperarily Quote event port out as we encounter error in port_getn
# on solaris x86
# CHECK_FUNCTION_EXISTS (port_create HAVE_EVENT_PORTS)
CHECK_FUNCTION_EXISTS (inet_ntop HAVE_INET_NTOP)
CHECK_FUNCTION_EXISTS (kqueue HAVE_KQUEUE)
CHECK_FUNCTION_EXISTS (kqueue HAVE_WORKING_KQUEUE)
CHECK_FUNCTION_EXISTS (signal HAVE_SIGNAL)
CHECK_SYMBOL_EXISTS (timeradd "sys/time.h" HAVE_TIMERADD)
CHECK_SYMBOL_EXISTS (timerclear "sys/time.h" HAVE_TIMERCLEAR)
CHECK_SYMBOL_EXISTS (timercmp "sys/time.h" HAVE_TIMERCMP)
CHECK_SYMBOL_EXISTS (timerisset "sys/time.h" HAVE_TIMERISSET)
#--------------------------------------------------------------------
# Support for WL#2373 (Use cycle counter for timing)
#--------------------------------------------------------------------
CHECK_INCLUDE_FILES(time.h HAVE_TIME_H)
CHECK_INCLUDE_FILES(sys/time.h HAVE_SYS_TIME_H)
CHECK_INCLUDE_FILES(sys/times.h HAVE_SYS_TIMES_H)
CHECK_INCLUDE_FILES(asm/msr.h HAVE_ASM_MSR_H)
#msr.h has rdtscll()
CHECK_INCLUDE_FILES(ia64intrin.h HAVE_IA64INTRIN_H)
CHECK_FUNCTION_EXISTS(times HAVE_TIMES)
CHECK_FUNCTION_EXISTS(gettimeofday HAVE_GETTIMEOFDAY)
CHECK_FUNCTION_EXISTS(read_real_time HAVE_READ_REAL_TIME)
# This should work on AIX.
CHECK_FUNCTION_EXISTS(ftime HAVE_FTIME)
# This is still a normal call for milliseconds.
CHECK_FUNCTION_EXISTS(time HAVE_TIME)
# We can use time() on Macintosh if there is no ftime().
CHECK_FUNCTION_EXISTS(rdtscll HAVE_RDTSCLL)
# I doubt that we'll ever reach the check for this.
#
# Tests for symbols
#
CHECK_SYMBOL_EXISTS(madvise "sys/mman.h" HAVE_DECL_MADVISE)
CHECK_SYMBOL_EXISTS(tzname "time.h" HAVE_TZNAME)
CHECK_SYMBOL_EXISTS(lrand48 "stdlib.h" HAVE_LRAND48)
CHECK_SYMBOL_EXISTS(getpagesize "unistd.h" HAVE_GETPAGESIZE)
CHECK_SYMBOL_EXISTS(TIOCGWINSZ "sys/ioctl.h" GWINSZ_IN_SYS_IOCTL)
CHECK_SYMBOL_EXISTS(FIONREAD "sys/ioctl.h" FIONREAD_IN_SYS_IOCTL)
CHECK_SYMBOL_EXISTS(TIOCSTAT "sys/ioctl.h" TIOCSTAT_IN_SYS_IOCTL)
CHECK_SYMBOL_EXISTS(FIONREAD "sys/filio.h" FIONREAD_IN_SYS_FILIO)
CHECK_SYMBOL_EXISTS(gettimeofday "sys/time.h" HAVE_GETTIMEOFDAY)
CHECK_SYMBOL_EXISTS(finite "math.h" HAVE_FINITE_IN_MATH_H)
IF(HAVE_FINITE_IN_MATH_H)
SET(HAVE_FINITE TRUE CACHE INTERNAL "")
ELSE()
CHECK_SYMBOL_EXISTS(finite "ieeefp.h" HAVE_FINITE)
ENDIF()
CHECK_SYMBOL_EXISTS(log2 math.h HAVE_LOG2)
CHECK_SYMBOL_EXISTS(isnan math.h HAVE_ISNAN)
CHECK_SYMBOL_EXISTS(rint math.h HAVE_RINT)
# isinf() prototype not found on Solaris
CHECK_CXX_SOURCE_COMPILES(
"#include <math.h>
int main() {
isinf(0.0);
return 0;
}" HAVE_ISINF)
# fesetround() prototype not found in gcc compatibility file fenv.h
CHECK_CXX_SOURCE_COMPILES(
"#include <fenv.h>
int main() {
fesetround(FE_TONEAREST);
return 0;
}" HAVE_FESETROUND)
#
# Test for endianess
#
INCLUDE(TestBigEndian)
IF(APPLE)
# Cannot run endian test on universal PPC/Intel binaries
# would return inconsistent result.
# config.h.cmake includes a special #ifdef for Darwin
ELSE()
TEST_BIG_ENDIAN(WORDS_BIGENDIAN)
ENDIF()
#
# Tests for type sizes (and presence)
#
INCLUDE (CheckTypeSize)
set(CMAKE_REQUIRED_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS}
-D_LARGEFILE_SOURCE -D_LARGE_FILES -D_FILE_OFFSET_BITS=64
-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS)
SET(CMAKE_EXTRA_INCLUDE_FILES signal.h)
MY_CHECK_TYPE_SIZE(sigset_t SIGSET_T)
IF(NOT SIZEOF_SIGSET_T)
SET(sigset_t int)
ENDIF()
MY_CHECK_TYPE_SIZE(mode_t MODE_T)
IF(NOT SIZEOF_MODE_T)
SET(mode_t int)
ENDIF()
IF(HAVE_STDINT_H)
SET(CMAKE_EXTRA_INCLUDE_FILES stdint.h)
ENDIF(HAVE_STDINT_H)
SET(HAVE_VOIDP 1)
SET(HAVE_CHARP 1)
SET(HAVE_LONG 1)
SET(HAVE_SIZE_T 1)
IF(NOT APPLE)
MY_CHECK_TYPE_SIZE("void *" VOIDP)
MY_CHECK_TYPE_SIZE("char *" CHARP)
MY_CHECK_TYPE_SIZE(long LONG)
MY_CHECK_TYPE_SIZE(size_t SIZE_T)
ENDIF()
MY_CHECK_TYPE_SIZE(char CHAR)
MY_CHECK_TYPE_SIZE(short SHORT)
MY_CHECK_TYPE_SIZE(int INT)
MY_CHECK_TYPE_SIZE("long long" LONG_LONG)
SET(CMAKE_EXTRA_INCLUDE_FILES stdio.h sys/types.h)
MY_CHECK_TYPE_SIZE(off_t OFF_T)
MY_CHECK_TYPE_SIZE(uchar UCHAR)
MY_CHECK_TYPE_SIZE(uint UINT)
MY_CHECK_TYPE_SIZE(ulong ULONG)
MY_CHECK_TYPE_SIZE(int8 INT8)
MY_CHECK_TYPE_SIZE(uint8 UINT8)
MY_CHECK_TYPE_SIZE(int16 INT16)
MY_CHECK_TYPE_SIZE(uint16 UINT16)
MY_CHECK_TYPE_SIZE(int32 INT32)
MY_CHECK_TYPE_SIZE(uint32 UINT32)
MY_CHECK_TYPE_SIZE(u_int32_t U_INT32_T)
MY_CHECK_TYPE_SIZE(int64 INT64)
MY_CHECK_TYPE_SIZE(uint64 UINT64)
MY_CHECK_TYPE_SIZE(time_t TIME_T)
SET (CMAKE_EXTRA_INCLUDE_FILES sys/types.h)
MY_CHECK_TYPE_SIZE(bool BOOL)
SET(CMAKE_EXTRA_INCLUDE_FILES)
IF(HAVE_SYS_SOCKET_H)
SET(CMAKE_EXTRA_INCLUDE_FILES sys/socket.h)
ENDIF(HAVE_SYS_SOCKET_H)
MY_CHECK_TYPE_SIZE(socklen_t SOCKLEN_T)
SET(CMAKE_EXTRA_INCLUDE_FILES)
IF(HAVE_IEEEFP_H)
SET(CMAKE_EXTRA_INCLUDE_FILES ieeefp.h)
MY_CHECK_TYPE_SIZE(fp_except FP_EXCEPT)
ENDIF()
#
# Code tests
#
# check whether time_t is unsigned
CHECK_C_SOURCE_COMPILES("
#include <time.h>
int main()
{
int array[(((time_t)-1) > 0) ? 1 : -1];
return 0;
}"
TIME_T_UNSIGNED)
CHECK_C_SOURCE_COMPILES("
#ifdef _WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#else
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#endif
int main()
{
getaddrinfo( 0, 0, 0, 0);
return 0;
}"
HAVE_GETADDRINFO)
CHECK_C_SOURCE_COMPILES("
#ifdef _WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#else
#include <sys/types.h>
#include <sys/socket.h>
#include <netdb.h>
#endif
int main()
{
select(0,0,0,0,0);
return 0;
}"
HAVE_SELECT)
#
# Check if timespec has ts_sec and ts_nsec fields
#
CHECK_C_SOURCE_COMPILES("
#include <pthread.h>
int main(int ac, char **av)
{
struct timespec abstime;
abstime.ts_sec = time(NULL)+1;
abstime.ts_nsec = 0;
}
" HAVE_TIMESPEC_TS_SEC)
#
# Check return type of qsort()
#
CHECK_C_SOURCE_COMPILES("
#include <stdlib.h>
#ifdef __cplusplus
extern \"C\"
#endif
void qsort(void *base, size_t nel, size_t width,
int (*compar) (const void *, const void *));
int main(int ac, char **av) {}
" QSORT_TYPE_IS_VOID)
IF(QSORT_TYPE_IS_VOID)
SET(RETQSORTTYPE "void")
ELSE(QSORT_TYPE_IS_VOID)
SET(RETQSORTTYPE "int")
ENDIF(QSORT_TYPE_IS_VOID)
IF(WIN32)
SET(SOCKET_SIZE_TYPE int)
ELSE()
CHECK_CXX_SOURCE_COMPILES("
#include <sys/socket.h>
int main(int argc, char **argv)
{
getsockname(0,0,(socklen_t *) 0);
return 0;
}"
HAVE_SOCKET_SIZE_T_AS_socklen_t)
IF(HAVE_SOCKET_SIZE_T_AS_socklen_t)
SET(SOCKET_SIZE_TYPE socklen_t)
ELSE()
CHECK_CXX_SOURCE_COMPILES("
#include <sys/socket.h>
int main(int argc, char **argv)
{
getsockname(0,0,(int *) 0);
return 0;
}"
HAVE_SOCKET_SIZE_T_AS_int)
IF(HAVE_SOCKET_SIZE_T_AS_int)
SET(SOCKET_SIZE_TYPE int)
ELSE()
CHECK_CXX_SOURCE_COMPILES("
#include <sys/socket.h>
int main(int argc, char **argv)
{
getsockname(0,0,(size_t *) 0);
return 0;
}"
HAVE_SOCKET_SIZE_T_AS_size_t)
IF(HAVE_SOCKET_SIZE_T_AS_size_t)
SET(SOCKET_SIZE_TYPE size_t)
ELSE()
SET(SOCKET_SIZE_TYPE int)
ENDIF()
ENDIF()
ENDIF()
ENDIF()
CHECK_CXX_SOURCE_COMPILES("
#include <pthread.h>
int main()
{
pthread_yield();
return 0;
}
" HAVE_PTHREAD_YIELD_ZERO_ARG)
IF(NOT STACK_DIRECTION)
IF(CMAKE_CROSSCOMPILING)
MESSAGE(FATAL_ERROR
"STACK_DIRECTION is not defined. Please specify -DSTACK_DIRECTION=1 "
"or -DSTACK_DIRECTION=-1 when calling cmake.")
ELSE()
TRY_RUN(STACKDIR_RUN_RESULT STACKDIR_COMPILE_RESULT
${CMAKE_BINARY_DIR}
${CMAKE_SOURCE_DIR}/cmake/stack_direction.c
)
# Test program returns 0 (down) or 1 (up).
# Convert to -1 or 1
IF(STACKDIR_RUN_RESULT EQUAL 0)
SET(STACK_DIRECTION -1 CACHE INTERNAL "Stack grows direction")
ELSE()
SET(STACK_DIRECTION 1 CACHE INTERNAL "Stack grows direction")
ENDIF()
MESSAGE(STATUS "Checking stack direction : ${STACK_DIRECTION}")
ENDIF()
ENDIF()
#
# Check return type of signal handlers
#
CHECK_C_SOURCE_COMPILES("
#include <signal.h>
#ifdef signal
# undef signal
#endif
#ifdef __cplusplus
extern \"C\" void (*signal (int, void (*)(int)))(int);
#else
void (*signal ()) ();
#endif
int main(int ac, char **av) {}
" SIGNAL_RETURN_TYPE_IS_VOID)
IF(SIGNAL_RETURN_TYPE_IS_VOID)
SET(RETSIGTYPE void)
SET(VOID_SIGHANDLER 1)
ELSE(SIGNAL_RETURN_TYPE_IS_VOID)
SET(RETSIGTYPE int)
ENDIF(SIGNAL_RETURN_TYPE_IS_VOID)
CHECK_INCLUDE_FILES("time.h;sys/time.h" TIME_WITH_SYS_TIME)
CHECK_SYMBOL_EXISTS(O_NONBLOCK "unistd.h;fcntl.h" HAVE_FCNTL_NONBLOCK)
IF(NOT HAVE_FCNTL_NONBLOCK)
SET(NO_FCNTL_NONBLOCK 1)
ENDIF()
#
# Test for how the C compiler does inline.
# If both of these tests fail, then there is probably something wrong
# in the environment (flags and/or compiling and/or linking).
#
CHECK_C_SOURCE_COMPILES("
static inline int foo(){return 0;}
int main(int argc, char *argv[]){return 0;}"
C_HAS_inline)
IF(NOT C_HAS_inline)
CHECK_C_SOURCE_COMPILES("
static __inline int foo(){return 0;}
int main(int argc, char *argv[]){return 0;}"
C_HAS___inline)
SET(C_INLINE __inline)
ENDIF()
IF(NOT C_HAS_inline AND NOT C_HAS___inline)
MESSAGE(FATAL_ERROR "It seems like ${CMAKE_C_COMPILER} does not support "
"inline or __inline. Please verify compiler and flags. "
"See CMakeFiles/CMakeError.log for why the test failed to compile/link.")
ENDIF()
IF(NOT CMAKE_CROSSCOMPILING AND NOT MSVC)
STRING(TOLOWER ${CMAKE_SYSTEM_PROCESSOR} processor)
IF(processor MATCHES "86" OR processor MATCHES "amd64" OR processor MATCHES "x64")
#Check for x86 PAUSE instruction
# We have to actually try running the test program, because of a bug
# in Solaris on x86_64, where it wrongly reports that PAUSE is not
# supported when trying to run an application. See
# http://bugs.opensolaris.org/bugdatabase/printableBug.do?bug_id=6478684
CHECK_C_SOURCE_RUNS("
int main()
{
__asm__ __volatile__ (\"pause\");
return 0;
}" HAVE_PAUSE_INSTRUCTION)
ENDIF()
IF (NOT HAVE_PAUSE_INSTRUCTION)
CHECK_C_SOURCE_COMPILES("
int main()
{
__asm__ __volatile__ (\"rep; nop\");
return 0;
}
" HAVE_FAKE_PAUSE_INSTRUCTION)
ENDIF()
ENDIF()
CHECK_SYMBOL_EXISTS(tcgetattr "termios.h" HAVE_TCGETATTR 1)
#
# Check type of signal routines (posix, 4.2bsd, 4.1bsd or v7)
#
CHECK_C_SOURCE_COMPILES("
#include <signal.h>
int main(int ac, char **av)
{
sigset_t ss;
struct sigaction sa;
sigemptyset(&ss); sigsuspend(&ss);
sigaction(SIGINT, &sa, (struct sigaction *) 0);
sigprocmask(SIG_BLOCK, &ss, (sigset_t *) 0);
}"
HAVE_POSIX_SIGNALS)
IF(NOT HAVE_POSIX_SIGNALS)
CHECK_C_SOURCE_COMPILES("
#include <signal.h>
int main(int ac, char **av)
{
int mask = sigmask(SIGINT);
sigsetmask(mask); sigblock(mask); sigpause(mask);
}"
HAVE_BSD_SIGNALS)
IF (NOT HAVE_BSD_SIGNALS)
CHECK_C_SOURCE_COMPILES("
#include <signal.h>
void foo() { }
int main(int ac, char **av)
{
int mask = sigmask(SIGINT);
sigset(SIGINT, foo); sigrelse(SIGINT);
sighold(SIGINT); sigpause(SIGINT);
}"
HAVE_SVR3_SIGNALS)
IF (NOT HAVE_SVR3_SIGNALS)
SET(HAVE_V7_SIGNALS 1)
ENDIF(NOT HAVE_SVR3_SIGNALS)
ENDIF(NOT HAVE_BSD_SIGNALS)
ENDIF(NOT HAVE_POSIX_SIGNALS)
# Assume regular sprintf
SET(SPRINTFS_RETURNS_INT 1)
IF(CMAKE_COMPILER_IS_GNUCXX AND HAVE_CXXABI_H)
CHECK_CXX_SOURCE_COMPILES("
#include <cxxabi.h>
int main(int argc, char **argv)
{
char *foo= 0; int bar= 0;
foo= abi::__cxa_demangle(foo, foo, 0, &bar);
return 0;
}"
HAVE_ABI_CXA_DEMANGLE)
ENDIF()
CHECK_C_SOURCE_COMPILES("
int main(int argc, char **argv)
{
extern char *__bss_start;
return __bss_start ? 1 : 0;
}"
HAVE_BSS_START)
CHECK_C_SOURCE_COMPILES("
int main()
{
extern void __attribute__((weak)) foo(void);
return 0;