CMake: Revert r79144. It reverted a change necessary for correct
[oota-llvm.git] / cmake / config-ix.cmake
index 58db002d79cd82209ae9e92e2072e5593f6a54ed..c52b70bfb82bdb0dd35ab89e1fd014a266c2d932 100755 (executable)
@@ -1,6 +1,7 @@
 
 # include checks
 include(CheckIncludeFile)
+check_include_file(alloca.h HAVE_ALLOCA_H)
 check_include_file(argz.h HAVE_ARGZ_H)
 check_include_file(assert.h HAVE_ASSERT_H)
 check_include_file(dirent.h HAVE_DIRENT_H)
@@ -26,6 +27,7 @@ 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)
@@ -33,15 +35,27 @@ 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
+include(CheckLibraryExists)
+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)
+
 # function checks
 include(CheckSymbolExists)
+include(CheckFunctionExists)
+check_symbol_exists(alloca alloca.h HAVE_ALLOCA)
 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(isnan cmath HAVE_ISNAN_IN_CMATH)
@@ -49,19 +63,85 @@ 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(mallinfo malloc.h HAVE_MALLINFO)
+check_symbol_exists(malloc_zone_statistics malloc/malloc.h
+                    HAVE_MALLOC_ZONE_STATISTICS)
+check_symbol_exists(mkdtemp unistd.h HAVE_MKDTEMP)
+check_symbol_exists(mkstemp unistd.h HAVE_MKSTEMP)
+check_symbol_exists(mktemp unistd.h HAVE_MKTEMP)
 check_symbol_exists(pthread_mutex_lock pthread.h HAVE_PTHREAD_MUTEX_LOCK)
 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(__GLIBC__ stdio.h LLVM_USING_GLIBC)
+if( LLVM_USING_GLIBC )
+  add_llvm_definitions( -D_GNU_SOURCE )
+endif()
+
+# Define LLVM_MULTITHREADED if gcc atomic builtins exists.
+include(CheckAtomic)
+
+include(CheckCXXCompilerFlag)
+check_cxx_compiler_flag("-fPIC" SUPPORTS_FPIC_FLAG)
+
+include(GetTargetTriple)
+get_target_triple(LLVM_HOSTTRIPLE)
+message(STATUS "LLVM_HOSTTRIPLE: ${LLVM_HOSTTRIPLE}")
+
+# Determine the native architecture.
+# FIXME: this will have to change for cross-compiling.
+string(REGEX MATCH "^[^-]*" LLVM_NATIVE_ARCH ${LLVM_HOSTTRIPLE})
+if (LLVM_NATIVE_ARCH MATCHES "i[2-6]86")
+  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 )
-  # tbi: Comprobar que existen las librerias:
   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)
@@ -78,41 +158,33 @@ else( MSVC )
   set(LTDL_DLOPEN_DEPLIBS 0)  # TODO
 endif( MSVC )
 
-if( NOT MSVC )
-  # hash_map.h.in and hash_set.h.in contain a special case for MSVC
-  include(CheckCxxHashmap)
-  include(CheckCxxHashset)
-  check_hashmap()
-  check_hashset()
-endif( NOT MSVC )
-
 # FIXME: Signal handler return type, currently hardcoded to 'void'
 set(RETSIGTYPE void)
 
-# Disable multithreading for now
-set(ENABLE_THREADS 0)
+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}/Config/config.h.cmake
+  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Config/config.h.cmake
   ${LLVM_BINARY_DIR}/include/llvm/Config/config.h
   )
 
 configure_file(
-  ${LLVM_MAIN_INCLUDE_DIR}/ADT/iterator.cmake
+  ${LLVM_MAIN_INCLUDE_DIR}/llvm/ADT/iterator.cmake
   ${LLVM_BINARY_DIR}/include/llvm/ADT/iterator.h
   )
 
 configure_file(
-  ${LLVM_MAIN_INCLUDE_DIR}/Support/DataTypes.h.cmake
+  ${LLVM_MAIN_INCLUDE_DIR}/llvm/Support/DataTypes.h.cmake
   ${LLVM_BINARY_DIR}/include/llvm/Support/DataTypes.h
   )
 
-configure_file(
-  ${LLVM_MAIN_INCLUDE_DIR}/ADT/hash_map.cmake
-  ${LLVM_BINARY_DIR}/include/llvm/ADT/hash_map.h
-  )
-
-configure_file(
-  ${LLVM_MAIN_INCLUDE_DIR}/ADT/hash_set.cmake
-  ${LLVM_BINARY_DIR}/include/llvm/ADT/hash_set.h
-  )