mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-26 23:29:22 +00:00
wall time, user time, and system time since a process started. For walltime, we currently use TimeValue's interface and a global initializer to compute a close approximation of total process runtime. For user time, this adds support for an somewhat more precise timing mechanism -- clock_gettime with the CLOCK_PROCESS_CPUTIME_ID clock selected. For system time, we have to do a full getrusage call to extract the system time from the OS. This is expensive but unavoidable. In passing, clean up the implementation of the old APIs and fix some latent bugs in the Windows code. This might have manifested on Windows ARM systems or other systems with strange 64-bit integer behavior. The old API for this both user time and system time simultaneously from a single getrusage call. While this results in fewer system calls, it also results in a lower precision user time and if only user time is desired, it introduces a higher overhead. It may be worthwhile to switch some of the pass timers to not track system time and directly track user and wall time. The old API also tracked walltime in a confusing way -- it just set it to the current walltime rather than providing any measure of wall time since the process started the way buth user and system time are tracked. The new API is more consistent here. The plan is to eventually implement these methods for a *child* process by using the wait3(2) system call to populate an rusage struct representing the whole subprocess execution. That way, after waiting on a child process its stats will become accurate and cheap to query. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171551 91177308-0d34-0410-b5e6-96231b3b80d8
426 lines
15 KiB
CMake
Executable File
426 lines
15 KiB
CMake
Executable File
if( WIN32 AND NOT CYGWIN )
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# We consider Cygwin as another Unix
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set(PURE_WINDOWS 1)
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endif()
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include(CheckIncludeFile)
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include(CheckLibraryExists)
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include(CheckSymbolExists)
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include(CheckFunctionExists)
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include(CheckCXXSourceCompiles)
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include(TestBigEndian)
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if( UNIX AND NOT BEOS )
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# Used by check_symbol_exists:
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set(CMAKE_REQUIRED_LIBRARIES m)
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endif()
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# Helper macros and functions
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macro(add_cxx_include result files)
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set(${result} "")
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foreach (file_name ${files})
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set(${result} "${${result}}#include<${file_name}>\n")
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endforeach()
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endmacro(add_cxx_include files result)
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function(check_type_exists type files variable)
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add_cxx_include(includes "${files}")
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CHECK_CXX_SOURCE_COMPILES("
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${includes} ${type} typeVar;
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int main() {
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return 0;
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}
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" ${variable})
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endfunction()
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# include checks
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check_include_file(argz.h HAVE_ARGZ_H)
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check_include_file(assert.h HAVE_ASSERT_H)
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check_include_file(ctype.h HAVE_CTYPE_H)
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check_include_file(dirent.h HAVE_DIRENT_H)
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check_include_file(dl.h HAVE_DL_H)
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check_include_file(dld.h HAVE_DLD_H)
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check_include_file(dlfcn.h HAVE_DLFCN_H)
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check_include_file(errno.h HAVE_ERRNO_H)
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check_include_file(execinfo.h HAVE_EXECINFO_H)
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check_include_file(fcntl.h HAVE_FCNTL_H)
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check_include_file(inttypes.h HAVE_INTTYPES_H)
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check_include_file(limits.h HAVE_LIMITS_H)
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check_include_file(link.h HAVE_LINK_H)
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check_include_file(malloc.h HAVE_MALLOC_H)
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check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H)
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check_include_file(memory.h HAVE_MEMORY_H)
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check_include_file(ndir.h HAVE_NDIR_H)
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if( NOT PURE_WINDOWS )
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check_include_file(pthread.h HAVE_PTHREAD_H)
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endif()
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check_include_file(setjmp.h HAVE_SETJMP_H)
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check_include_file(signal.h HAVE_SIGNAL_H)
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check_include_file(stdint.h HAVE_STDINT_H)
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check_include_file(stdio.h HAVE_STDIO_H)
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check_include_file(stdlib.h HAVE_STDLIB_H)
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check_include_file(string.h HAVE_STRING_H)
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check_include_file(strings.h HAVE_STRINGS_H)
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check_include_file(sys/dir.h HAVE_SYS_DIR_H)
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check_include_file(sys/dl.h HAVE_SYS_DL_H)
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check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H)
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check_include_file(sys/mman.h HAVE_SYS_MMAN_H)
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check_include_file(sys/ndir.h HAVE_SYS_NDIR_H)
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check_include_file(sys/param.h HAVE_SYS_PARAM_H)
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check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H)
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check_include_file(sys/stat.h HAVE_SYS_STAT_H)
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check_include_file(sys/time.h HAVE_SYS_TIME_H)
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check_include_file(sys/types.h HAVE_SYS_TYPES_H)
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check_include_file(sys/uio.h HAVE_SYS_UIO_H)
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check_include_file(sys/wait.h HAVE_SYS_WAIT_H)
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check_include_file(termios.h HAVE_TERMIOS_H)
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check_include_file(unistd.h HAVE_UNISTD_H)
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check_include_file(utime.h HAVE_UTIME_H)
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check_include_file(valgrind/valgrind.h HAVE_VALGRIND_VALGRIND_H)
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check_include_file(windows.h HAVE_WINDOWS_H)
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check_include_file(fenv.h HAVE_FENV_H)
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check_include_file(mach/mach.h HAVE_MACH_MACH_H)
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check_include_file(mach-o/dyld.h HAVE_MACH_O_DYLD_H)
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# library checks
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if( NOT PURE_WINDOWS )
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check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD)
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if (HAVE_LIBPTHREAD)
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check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC)
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check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
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check_library_exists(pthread pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK)
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else()
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# this could be Android
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check_library_exists(c pthread_create "" PTHREAD_IN_LIBC)
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if (PTHREAD_IN_LIBC)
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check_library_exists(c pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC)
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check_library_exists(c pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
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check_library_exists(c pthread_mutex_lock "" HAVE_PTHREAD_MUTEX_LOCK)
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endif()
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endif()
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check_library_exists(dl dlopen "" HAVE_LIBDL)
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check_library_exists(rt clock_gettime "" HAVE_LIBRT)
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endif()
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# function checks
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check_symbol_exists(arc4random "stdlib.h" HAVE_ARC4RANDOM)
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check_symbol_exists(backtrace "execinfo.h" HAVE_BACKTRACE)
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check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE)
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check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE)
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check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT)
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check_symbol_exists(isatty unistd.h HAVE_ISATTY)
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check_symbol_exists(index strings.h HAVE_INDEX)
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check_symbol_exists(isinf cmath HAVE_ISINF_IN_CMATH)
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check_symbol_exists(isinf math.h HAVE_ISINF_IN_MATH_H)
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check_symbol_exists(finite ieeefp.h HAVE_FINITE_IN_IEEEFP_H)
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check_symbol_exists(isnan cmath HAVE_ISNAN_IN_CMATH)
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check_symbol_exists(isnan math.h HAVE_ISNAN_IN_MATH_H)
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check_symbol_exists(ceilf math.h HAVE_CEILF)
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check_symbol_exists(floorf math.h HAVE_FLOORF)
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check_symbol_exists(fmodf math.h HAVE_FMODF)
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if( HAVE_SETJMP_H )
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check_symbol_exists(longjmp setjmp.h HAVE_LONGJMP)
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check_symbol_exists(setjmp setjmp.h HAVE_SETJMP)
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check_symbol_exists(siglongjmp setjmp.h HAVE_SIGLONGJMP)
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check_symbol_exists(sigsetjmp setjmp.h HAVE_SIGSETJMP)
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endif()
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if( HAVE_SYS_UIO_H )
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check_symbol_exists(writev sys/uio.h HAVE_WRITEV)
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endif()
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check_symbol_exists(nearbyintf math.h HAVE_NEARBYINTF)
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check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
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check_symbol_exists(malloc_zone_statistics malloc/malloc.h
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HAVE_MALLOC_ZONE_STATISTICS)
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check_symbol_exists(mkdtemp "stdlib.h;unistd.h" HAVE_MKDTEMP)
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check_symbol_exists(mkstemp "stdlib.h;unistd.h" HAVE_MKSTEMP)
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check_symbol_exists(mktemp "stdlib.h;unistd.h" HAVE_MKTEMP)
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check_symbol_exists(closedir "sys/types.h;dirent.h" HAVE_CLOSEDIR)
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check_symbol_exists(opendir "sys/types.h;dirent.h" HAVE_OPENDIR)
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check_symbol_exists(readdir "sys/types.h;dirent.h" HAVE_READDIR)
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check_symbol_exists(getcwd unistd.h HAVE_GETCWD)
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check_symbol_exists(gettimeofday sys/time.h HAVE_GETTIMEOFDAY)
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check_symbol_exists(getrlimit "sys/types.h;sys/time.h;sys/resource.h" HAVE_GETRLIMIT)
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check_symbol_exists(posix_spawn spawn.h HAVE_POSIX_SPAWN)
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check_symbol_exists(pread unistd.h HAVE_PREAD)
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check_symbol_exists(rindex strings.h HAVE_RINDEX)
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check_symbol_exists(strchr string.h HAVE_STRCHR)
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check_symbol_exists(strcmp string.h HAVE_STRCMP)
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check_symbol_exists(strdup string.h HAVE_STRDUP)
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check_symbol_exists(strrchr string.h HAVE_STRRCHR)
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check_symbol_exists(sbrk unistd.h HAVE_SBRK)
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check_symbol_exists(srand48 stdlib.h HAVE_RAND48_SRAND48)
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if( HAVE_RAND48_SRAND48 )
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check_symbol_exists(lrand48 stdlib.h HAVE_RAND48_LRAND48)
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if( HAVE_RAND48_LRAND48 )
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check_symbol_exists(drand48 stdlib.h HAVE_RAND48_DRAND48)
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if( HAVE_RAND48_DRAND48 )
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set(HAVE_RAND48 1 CACHE INTERNAL "are srand48/lrand48/drand48 available?")
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endif()
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endif()
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endif()
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check_symbol_exists(strtoll stdlib.h HAVE_STRTOLL)
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check_symbol_exists(strtoq stdlib.h HAVE_STRTOQ)
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check_symbol_exists(strerror string.h HAVE_STRERROR)
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check_symbol_exists(strerror_r string.h HAVE_STRERROR_R)
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check_symbol_exists(strerror_s string.h HAVE_DECL_STRERROR_S)
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check_symbol_exists(memcpy string.h HAVE_MEMCPY)
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check_symbol_exists(memmove string.h HAVE_MEMMOVE)
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check_symbol_exists(setenv stdlib.h HAVE_SETENV)
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if( PURE_WINDOWS )
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check_symbol_exists(_chsize_s io.h HAVE__CHSIZE_S)
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check_function_exists(_alloca HAVE__ALLOCA)
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check_function_exists(__alloca HAVE___ALLOCA)
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check_function_exists(__chkstk HAVE___CHKSTK)
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check_function_exists(___chkstk HAVE____CHKSTK)
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check_function_exists(__ashldi3 HAVE___ASHLDI3)
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check_function_exists(__ashrdi3 HAVE___ASHRDI3)
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check_function_exists(__divdi3 HAVE___DIVDI3)
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check_function_exists(__fixdfdi HAVE___FIXDFDI)
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check_function_exists(__fixsfdi HAVE___FIXSFDI)
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check_function_exists(__floatdidf HAVE___FLOATDIDF)
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check_function_exists(__lshrdi3 HAVE___LSHRDI3)
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check_function_exists(__moddi3 HAVE___MODDI3)
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check_function_exists(__udivdi3 HAVE___UDIVDI3)
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check_function_exists(__umoddi3 HAVE___UMODDI3)
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check_function_exists(__main HAVE___MAIN)
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check_function_exists(__cmpdi2 HAVE___CMPDI2)
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endif()
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if( HAVE_ARGZ_H )
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check_symbol_exists(argz_append argz.h HAVE_ARGZ_APPEND)
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check_symbol_exists(argz_create_sep argz.h HAVE_ARGZ_CREATE_SEP)
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check_symbol_exists(argz_insert argz.h HAVE_ARGZ_INSERT)
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check_symbol_exists(argz_next argz.h HAVE_ARGZ_NEXT)
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check_symbol_exists(argz_stringify argz.h HAVE_ARGZ_STRINGIFY)
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endif()
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if( HAVE_DLFCN_H )
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if( HAVE_LIBDL )
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list(APPEND CMAKE_REQUIRED_LIBRARIES dl)
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endif()
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check_symbol_exists(dlerror dlfcn.h HAVE_DLERROR)
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check_symbol_exists(dlopen dlfcn.h HAVE_DLOPEN)
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if( HAVE_LIBDL )
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list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES dl)
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endif()
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endif()
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check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC)
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if( LLVM_USING_GLIBC )
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add_llvm_definitions( -D_GNU_SOURCE )
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endif()
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set(headers "")
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if (HAVE_SYS_TYPES_H)
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set(headers ${headers} "sys/types.h")
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endif()
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if (HAVE_INTTYPES_H)
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set(headers ${headers} "inttypes.h")
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endif()
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if (HAVE_STDINT_H)
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set(headers ${headers} "stdint.h")
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endif()
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check_type_exists(int64_t "${headers}" HAVE_INT64_T)
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check_type_exists(uint64_t "${headers}" HAVE_UINT64_T)
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check_type_exists(u_int64_t "${headers}" HAVE_U_INT64_T)
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check_type_exists(error_t errno.h HAVE_ERROR_T)
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# available programs checks
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function(llvm_find_program name)
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string(TOUPPER ${name} NAME)
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string(REGEX REPLACE "\\." "_" NAME ${NAME})
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find_program(LLVM_PATH_${NAME} ${name})
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mark_as_advanced(LLVM_PATH_${NAME})
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if(LLVM_PATH_${NAME})
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set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?")
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mark_as_advanced(HAVE_${NAME})
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else(LLVM_PATH_${NAME})
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set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?")
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endif(LLVM_PATH_${NAME})
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endfunction()
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llvm_find_program(gv)
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llvm_find_program(circo)
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llvm_find_program(twopi)
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llvm_find_program(neato)
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llvm_find_program(fdp)
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llvm_find_program(dot)
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llvm_find_program(dotty)
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llvm_find_program(xdot.py)
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llvm_find_program(Graphviz)
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if( LLVM_ENABLE_FFI )
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find_path(FFI_INCLUDE_PATH ffi.h PATHS ${FFI_INCLUDE_DIR})
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if( FFI_INCLUDE_PATH )
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set(FFI_HEADER ffi.h CACHE INTERNAL "")
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set(HAVE_FFI_H 1 CACHE INTERNAL "")
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else()
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find_path(FFI_INCLUDE_PATH ffi/ffi.h PATHS ${FFI_INCLUDE_DIR})
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if( FFI_INCLUDE_PATH )
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set(FFI_HEADER ffi/ffi.h CACHE INTERNAL "")
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set(HAVE_FFI_FFI_H 1 CACHE INTERNAL "")
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endif()
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endif()
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if( NOT FFI_HEADER )
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message(FATAL_ERROR "libffi includes are not found.")
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endif()
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find_library(FFI_LIBRARY_PATH ffi PATHS ${FFI_LIBRARY_DIR})
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if( NOT FFI_LIBRARY_PATH )
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message(FATAL_ERROR "libffi is not found.")
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endif()
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list(APPEND CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH})
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list(APPEND CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH})
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check_symbol_exists(ffi_call ${FFI_HEADER} HAVE_FFI_CALL)
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list(REMOVE_ITEM CMAKE_REQUIRED_INCLUDES ${FFI_INCLUDE_PATH})
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list(REMOVE_ITEM CMAKE_REQUIRED_LIBRARIES ${FFI_LIBRARY_PATH})
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else()
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unset(HAVE_FFI_FFI_H CACHE)
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unset(HAVE_FFI_H CACHE)
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unset(HAVE_FFI_CALL CACHE)
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endif( LLVM_ENABLE_FFI )
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# Define LLVM_HAS_ATOMICS if gcc or MSVC atomic builtins are supported.
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include(CheckAtomic)
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if( LLVM_ENABLE_PIC )
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set(ENABLE_PIC 1)
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else()
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set(ENABLE_PIC 0)
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endif()
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find_package(LibXml2)
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if (LIBXML2_FOUND)
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set(CLANG_HAVE_LIBXML 1)
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endif ()
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include(CheckCXXCompilerFlag)
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check_cxx_compiler_flag("-Wno-variadic-macros" SUPPORTS_NO_VARIADIC_MACROS_FLAG)
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include(GetHostTriple)
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get_host_triple(LLVM_HOST_TRIPLE)
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# By default, we target the host, but this can be overridden at CMake
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# invocation time.
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set(LLVM_HOSTTRIPLE "${LLVM_HOST_TRIPLE}")
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# Determine the native architecture.
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string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH)
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if( LLVM_NATIVE_ARCH STREQUAL "host" )
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string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOST_TRIPLE})
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endif ()
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if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86")
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set(LLVM_NATIVE_ARCH X86)
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elseif (LLVM_NATIVE_ARCH STREQUAL "x86")
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set(LLVM_NATIVE_ARCH X86)
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elseif (LLVM_NATIVE_ARCH STREQUAL "amd64")
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set(LLVM_NATIVE_ARCH X86)
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elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64")
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set(LLVM_NATIVE_ARCH X86)
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elseif (LLVM_NATIVE_ARCH MATCHES "sparc")
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set(LLVM_NATIVE_ARCH Sparc)
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elseif (LLVM_NATIVE_ARCH MATCHES "powerpc")
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set(LLVM_NATIVE_ARCH PowerPC)
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elseif (LLVM_NATIVE_ARCH MATCHES "arm")
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set(LLVM_NATIVE_ARCH ARM)
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elseif (LLVM_NATIVE_ARCH MATCHES "mips")
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set(LLVM_NATIVE_ARCH Mips)
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elseif (LLVM_NATIVE_ARCH MATCHES "xcore")
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set(LLVM_NATIVE_ARCH XCore)
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elseif (LLVM_NATIVE_ARCH MATCHES "msp430")
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set(LLVM_NATIVE_ARCH MSP430)
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elseif (LLVM_NATIVE_ARCH MATCHES "hexagon")
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set(LLVM_NATIVE_ARCH Hexagon)
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else ()
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message(FATAL_ERROR "Unknown architecture ${LLVM_NATIVE_ARCH}")
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endif ()
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list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX)
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if (NATIVE_ARCH_IDX EQUAL -1)
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message(STATUS
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"Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code")
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else ()
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message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}")
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set(LLVM_NATIVE_TARGET LLVMInitialize${LLVM_NATIVE_ARCH}Target)
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set(LLVM_NATIVE_TARGETINFO LLVMInitialize${LLVM_NATIVE_ARCH}TargetInfo)
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set(LLVM_NATIVE_TARGETMC LLVMInitialize${LLVM_NATIVE_ARCH}TargetMC)
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set(LLVM_NATIVE_ASMPRINTER LLVMInitialize${LLVM_NATIVE_ARCH}AsmPrinter)
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# We don't have an ASM parser for all architectures yet.
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if (EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/AsmParser/CMakeLists.txt)
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set(LLVM_NATIVE_ASMPARSER LLVMInitialize${LLVM_NATIVE_ARCH}AsmParser)
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endif ()
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# We don't have an disassembler for all architectures yet.
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if (EXISTS ${CMAKE_SOURCE_DIR}/lib/Target/${LLVM_NATIVE_ARCH}/Disassembler/CMakeLists.txt)
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set(LLVM_NATIVE_DISASSEMBLER LLVMInitialize${LLVM_NATIVE_ARCH}Disassembler)
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endif ()
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endif ()
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if( MINGW )
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set(HAVE_LIBIMAGEHLP 1)
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set(HAVE_LIBPSAPI 1)
|
|
# TODO: Check existence of libraries.
|
|
# include(CheckLibraryExists)
|
|
# CHECK_LIBRARY_EXISTS(imagehlp ??? . HAVE_LIBIMAGEHLP)
|
|
endif( MINGW )
|
|
|
|
if( MSVC )
|
|
set(error_t int)
|
|
set(LTDL_SHLIBPATH_VAR "PATH")
|
|
set(LTDL_SYSSEARCHPATH "")
|
|
set(LTDL_DLOPEN_DEPLIBS 1)
|
|
set(SHLIBEXT ".lib")
|
|
set(LTDL_OBJDIR "_libs")
|
|
set(HAVE_STRTOLL 1)
|
|
set(strtoll "_strtoi64")
|
|
set(strtoull "_strtoui64")
|
|
set(stricmp "_stricmp")
|
|
set(strdup "_strdup")
|
|
else( MSVC )
|
|
set(LTDL_SHLIBPATH_VAR "LD_LIBRARY_PATH")
|
|
set(LTDL_SYSSEARCHPATH "") # TODO
|
|
set(LTDL_DLOPEN_DEPLIBS 0) # TODO
|
|
endif( MSVC )
|
|
|
|
if( PURE_WINDOWS )
|
|
CHECK_CXX_SOURCE_COMPILES("
|
|
#include <windows.h>
|
|
#include <imagehlp.h>
|
|
extern \"C\" void foo(PENUMLOADED_MODULES_CALLBACK);
|
|
extern \"C\" void foo(BOOL(CALLBACK*)(PCSTR,ULONG_PTR,ULONG,PVOID));
|
|
int main(){return 0;}"
|
|
HAVE_ELMCB_PCSTR)
|
|
if( HAVE_ELMCB_PCSTR )
|
|
set(WIN32_ELMCB_PCSTR "PCSTR")
|
|
else()
|
|
set(WIN32_ELMCB_PCSTR "PSTR")
|
|
endif()
|
|
endif( PURE_WINDOWS )
|
|
|
|
# FIXME: Signal handler return type, currently hardcoded to 'void'
|
|
set(RETSIGTYPE void)
|
|
|
|
if( LLVM_ENABLE_THREADS )
|
|
# Check if threading primitives aren't supported on this platform
|
|
if( NOT HAVE_PTHREAD_H AND NOT WIN32 )
|
|
set(LLVM_ENABLE_THREADS 0)
|
|
endif()
|
|
endif()
|
|
|
|
if( LLVM_ENABLE_THREADS )
|
|
message(STATUS "Threads enabled.")
|
|
else( LLVM_ENABLE_THREADS )
|
|
message(STATUS "Threads disabled.")
|
|
endif()
|
|
|
|
set(LLVM_PREFIX ${CMAKE_INSTALL_PREFIX})
|