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include(CheckIncludeFile)
include(CheckLibraryExists)
include(CheckSymbolExists)
include(CheckFunctionExists)
include(CheckCXXSourceCompiles)
if( UNIX )
# Used by check_symbol_exists:
set(CMAKE_REQUIRED_LIBRARIES m)
endif()
# Helper macros and functions
macro(add_cxx_include result files)
set(${result} "")
foreach (file_name ${files})
set(${result} "${${result}}#include<${file_name}>\n")
endforeach()
endmacro(add_cxx_include files result)
function(check_type_exists type files variable)
add_cxx_include(includes "${files}")
CHECK_CXX_SOURCE_COMPILES("
${includes} ${type} typeVar;
int main() {
return 0;
}
" ${variable})
endfunction()
# include checks
check_include_file(argz.h HAVE_ARGZ_H)
check_include_file(assert.h HAVE_ASSERT_H)
check_include_file(dirent.h HAVE_DIRENT_H)
check_include_file(dl.h HAVE_DL_H)
check_include_file(dld.h HAVE_DLD_H)
check_include_file(dlfcn.h HAVE_DLFCN_H)
check_include_file(errno.h HAVE_ERRNO_H)
check_include_file(execinfo.h HAVE_EXECINFO_H)
check_include_file(fcntl.h HAVE_FCNTL_H)
check_include_file(inttypes.h HAVE_INTTYPES_H)
check_include_file(limits.h HAVE_LIMITS_H)
check_include_file(link.h HAVE_LINK_H)
check_include_file(malloc.h HAVE_MALLOC_H)
check_include_file(malloc/malloc.h HAVE_MALLOC_MALLOC_H)
check_include_file(memory.h HAVE_MEMORY_H)
check_include_file(ndir.h HAVE_NDIR_H)
if( NOT LLVM_ON_WIN32 )
check_include_file(pthread.h HAVE_PTHREAD_H)
endif()
check_include_file(setjmp.h HAVE_SETJMP_H)
check_include_file(signal.h HAVE_SIGNAL_H)
check_include_file(stdint.h HAVE_STDINT_H)
check_include_file(stdio.h HAVE_STDIO_H)
check_include_file(stdlib.h HAVE_STDLIB_H)
check_include_file(string.h HAVE_STRING_H)
check_include_file(sys/dir.h HAVE_SYS_DIR_H)
check_include_file(sys/dl.h HAVE_SYS_DL_H)
check_include_file(sys/ioctl.h HAVE_SYS_IOCTL_H)
check_include_file(sys/mman.h HAVE_SYS_MMAN_H)
check_include_file(sys/ndir.h HAVE_SYS_NDIR_H)
check_include_file(sys/param.h HAVE_SYS_PARAM_H)
check_include_file(sys/resource.h HAVE_SYS_RESOURCE_H)
check_include_file(sys/stat.h HAVE_SYS_STAT_H)
check_include_file(sys/time.h HAVE_SYS_TIME_H)
check_include_file(sys/types.h HAVE_SYS_TYPES_H)
check_include_file(sys/wait.h HAVE_SYS_WAIT_H)
check_include_file(termios.h HAVE_TERMIOS_H)
check_include_file(unistd.h HAVE_UNISTD_H)
check_include_file(utime.h HAVE_UTIME_H)
check_include_file(windows.h HAVE_WINDOWS_H)
# library checks
if( NOT LLVM_ON_WIN32 )
check_library_exists(pthread pthread_create "" HAVE_LIBPTHREAD)
check_library_exists(pthread pthread_getspecific "" HAVE_PTHREAD_GETSPECIFIC)
check_library_exists(pthread pthread_rwlock_init "" HAVE_PTHREAD_RWLOCK_INIT)
check_library_exists(dl dlopen "" HAVE_LIBDL)
endif()
# function checks
check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE)
check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE)
check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT)
check_function_exists(isatty HAVE_ISATTY)
check_symbol_exists(isinf cmath HAVE_ISINF_IN_CMATH)
check_symbol_exists(isinf math.h HAVE_ISINF_IN_MATH_H)
check_symbol_exists(finite ieeefp.h HAVE_FINITE_IN_IEEEFP_H)
check_symbol_exists(isnan cmath HAVE_ISNAN_IN_CMATH)
check_symbol_exists(isnan math.h HAVE_ISNAN_IN_MATH_H)
check_symbol_exists(ceilf math.h HAVE_CEILF)
check_symbol_exists(floorf math.h HAVE_FLOORF)
check_symbol_exists(nearbyintf math.h HAVE_NEARBYINTF)
check_symbol_exists(mallinfo malloc.h HAVE_MALLINFO)
check_symbol_exists(malloc_zone_statistics malloc/malloc.h
HAVE_MALLOC_ZONE_STATISTICS)
check_symbol_exists(mkdtemp "stdlib.h;unistd.h" HAVE_MKDTEMP)
check_symbol_exists(mkstemp "stdlib.h;unistd.h" HAVE_MKSTEMP)
check_symbol_exists(mktemp "stdlib.h;unistd.h" HAVE_MKTEMP)
if( NOT LLVM_ON_WIN32 )
check_symbol_exists(pthread_mutex_lock pthread.h HAVE_PTHREAD_MUTEX_LOCK)
endif()
check_symbol_exists(sbrk unistd.h HAVE_SBRK)
check_symbol_exists(strtoll stdlib.h HAVE_STRTOLL)
check_symbol_exists(strerror string.h HAVE_STRERROR)
check_symbol_exists(strerror_r string.h HAVE_STRERROR_R)
check_symbol_exists(strerror_s string.h HAVE_STRERROR_S)
check_symbol_exists(setenv stdlib.h HAVE_SETENV)
check_symbol_exists(__GLIBC__ stdio.h LLVM_USING_GLIBC)
if( LLVM_USING_GLIBC )
add_llvm_definitions( -D_GNU_SOURCE )
endif()
# Type checks
check_type_exists(std::bidirectional_iterator<int,int> "iterator;iostream" HAVE_BI_ITERATOR)
check_type_exists(std::iterator<int,int,int> iterator HAVE_STD_ITERATOR)
check_type_exists(std::forward_iterator<int,int> iterator HAVE_FWD_ITERATOR)
set(headers "")
if (HAVE_SYS_TYPES_H)
set(headers ${headers} "sys/types.h")
endif()
if (HAVE_INTTYPES_H)
set(headers ${headers} "inttypes.h")
endif()
if (HAVE_STDINT_H)
set(headers ${headers} "stdint.h")
endif()
check_type_exists(uint64_t "${headers}" HAVE_UINT64_T)
check_type_exists(u_int64_t "${headers}" HAVE_U_INT64_T)
# available programs checks
function(llvm_find_program name)
string(TOUPPER ${name} NAME)
find_program(LLVM_PATH_${NAME} ${name})
mark_as_advanced(LLVM_PATH_${NAME})
if(LLVM_PATH_${NAME})
set(HAVE_${NAME} 1 CACHE INTERNAL "Is ${name} available ?")
mark_as_advanced(HAVE_${NAME})
else(LLVM_PATH_${NAME})
set(HAVE_${NAME} "" CACHE INTERNAL "Is ${name} available ?")
endif(LLVM_PATH_${NAME})
endfunction()
llvm_find_program(gv)
llvm_find_program(circo)
llvm_find_program(twopi)
llvm_find_program(neato)
llvm_find_program(fdp)
llvm_find_program(dot)
llvm_find_program(dotty)
# Define LLVM_MULTITHREADED if gcc atomic builtins exists.
include(CheckAtomic)
include(CheckCXXCompilerFlag)
# On windows all code is position-independent and mingw warns if -fPIC
# is in the command-line.
if( NOT WIN32 )
check_cxx_compiler_flag("-fPIC" SUPPORTS_FPIC_FLAG)
endif()
include(GetTargetTriple)
get_target_triple(LLVM_HOSTTRIPLE)
# FIXME: We don't distinguish the target and the host. :(
set(TARGET_TRIPLE "${LLVM_HOSTTRIPLE}")
# Determine the native architecture.
string(TOLOWER "${LLVM_TARGET_ARCH}" LLVM_NATIVE_ARCH)
if( LLVM_NATIVE_ARCH STREQUAL "host" )
string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOSTTRIPLE})
endif ()
if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86")
set(LLVM_NATIVE_ARCH X86)
elseif (LLVM_NATIVE_ARCH STREQUAL "x86")
set(LLVM_NATIVE_ARCH X86)
elseif (LLVM_NATIVE_ARCH STREQUAL "amd64")
set(LLVM_NATIVE_ARCH X86)
elseif (LLVM_NATIVE_ARCH STREQUAL "x86_64")
set(LLVM_NATIVE_ARCH X86)
elseif (LLVM_NATIVE_ARCH MATCHES "sparc")
set(LLVM_NATIVE_ARCH Sparc)
elseif (LLVM_NATIVE_ARCH MATCHES "powerpc")
set(LLVM_NATIVE_ARCH PowerPC)
elseif (LLVM_NATIVE_ARCH MATCHES "alpha")
set(LLVM_NATIVE_ARCH Alpha)
elseif (LLVM_NATIVE_ARCH MATCHES "arm")
set(LLVM_NATIVE_ARCH ARM)
elseif (LLVM_NATIVE_ARCH MATCHES "mips")
set(LLVM_NATIVE_ARCH Mips)
elseif (LLVM_NATIVE_ARCH MATCHES "pic16")
set(LLVM_NATIVE_ARCH "PIC16")
elseif (LLVM_NATIVE_ARCH MATCHES "xcore")
set(LLVM_NATIVE_ARCH XCore)
elseif (LLVM_NATIVE_ARCH MATCHES "msp430")
set(LLVM_NATIVE_ARCH MSP430)
else ()
message(STATUS
"Unknown architecture ${LLVM_NATIVE_ARCH}; lli will not JIT code")
set(LLVM_NATIVE_ARCH)
endif ()
if (LLVM_NATIVE_ARCH)
list(FIND LLVM_TARGETS_TO_BUILD ${LLVM_NATIVE_ARCH} NATIVE_ARCH_IDX)
if (NATIVE_ARCH_IDX EQUAL -1)
message(STATUS
"Native target ${LLVM_NATIVE_ARCH} is not selected; lli will not JIT code")
set(LLVM_NATIVE_ARCH)
else ()
message(STATUS "Native target architecture is ${LLVM_NATIVE_ARCH}")
endif ()
endif()
if( MINGW )
set(HAVE_LIBIMAGEHLP 1)
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(mode_t "unsigned short")
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 )
# FIXME: Signal handler return type, currently hardcoded to 'void'
set(RETSIGTYPE void)
if( LLVM_ENABLE_THREADS )
if( HAVE_PTHREAD_H OR WIN32 )
set(ENABLE_THREADS 1)
endif()
endif()
if( ENABLE_THREADS )
message(STATUS "Threads enabled.")
else( ENABLE_THREADS )
message(STATUS "Threads disabled.")
endif()
configure_file(
${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
${LLVM_BINARY_DIR}/include/llvm/Config/config.h
)
configure_file(
${LLVM_MAIN_INCLUDE_DIR}/llvm/System/DataTypes.h.cmake
${LLVM_BINARY_DIR}/include/llvm/System/DataTypes.h
)
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