fi
fi
+dnl Default to empty (i.e. assigning the null string to) CFLAGS and CXXFLAGS,
+dnl instead of the autoconf default (for example, '-g -O2' for CC=gcc).
+${CFLAGS=}
+${CXXFLAGS=}
+
dnl We need to check for the compiler up here to avoid anything else
dnl starting with a different one.
AC_PROG_CC(clang llvm-gcc gcc)
sparc*-*) llvm_cv_target_arch="Sparc" ;;
powerpc*-*) llvm_cv_target_arch="PowerPC" ;;
arm*-*) llvm_cv_target_arch="ARM" ;;
+ aarch64*-*) llvm_cv_target_arch="AArch64" ;;
mips-* | mips64-*) llvm_cv_target_arch="Mips" ;;
mipsel-* | mips64el-*) llvm_cv_target_arch="Mips" ;;
xcore-*) llvm_cv_target_arch="XCore" ;;
hexagon-*) llvm_cv_target_arch="Hexagon" ;;
mblaze-*) llvm_cv_target_arch="MBlaze" ;;
nvptx-*) llvm_cv_target_arch="NVPTX" ;;
+ s390x-*) llvm_cv_target_arch="SystemZ" ;;
*) llvm_cv_target_arch="Unknown" ;;
esac])
sparc*-*) host_arch="Sparc" ;;
powerpc*-*) host_arch="PowerPC" ;;
arm*-*) host_arch="ARM" ;;
+ aarch64*-*) host_arch="AArch64" ;;
mips-* | mips64-*) host_arch="Mips" ;;
mipsel-* | mips64el-*) host_arch="Mips" ;;
xcore-*) host_arch="XCore" ;;
msp430-*) host_arch="MSP430" ;;
hexagon-*) host_arch="Hexagon" ;;
mblaze-*) host_arch="MBlaze" ;;
+ s390x-*) host_arch="SystemZ" ;;
*) host_arch="Unknown" ;;
esac
PowerPC) AC_SUBST(TARGET_HAS_JIT,1) ;;
x86_64) AC_SUBST(TARGET_HAS_JIT,1) ;;
ARM) AC_SUBST(TARGET_HAS_JIT,1) ;;
+ AArch64) AC_SUBST(TARGET_HAS_JIT,0) ;;
Mips) AC_SUBST(TARGET_HAS_JIT,1) ;;
XCore) AC_SUBST(TARGET_HAS_JIT,0) ;;
MSP430) AC_SUBST(TARGET_HAS_JIT,0) ;;
Hexagon) AC_SUBST(TARGET_HAS_JIT,0) ;;
MBlaze) AC_SUBST(TARGET_HAS_JIT,0) ;;
NVPTX) AC_SUBST(TARGET_HAS_JIT,0) ;;
+ SystemZ) AC_SUBST(TARGET_HAS_JIT,1) ;;
*) AC_SUBST(TARGET_HAS_JIT,0) ;;
esac
fi
*) AC_MSG_ERROR([Invalid setting for --enable-pthreads. Use "yes" or "no"]) ;;
esac
+dnl Allow disablement of zlib
+AC_ARG_ENABLE(zlib,
+ AS_HELP_STRING([--enable-zlib],
+ [Use zlib for compression/decompression if
+ available (default is YES)]),,
+ enableval=default)
+case "$enableval" in
+ yes) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
+ no) AC_SUBST(LLVM_ENABLE_ZLIB,[0]) ;;
+ default) AC_SUBST(LLVM_ENABLE_ZLIB,[1]) ;;
+ *) AC_MSG_ERROR([Invalid setting for --enable-zlib. Use "yes" or "no"]) ;;
+esac
+AC_DEFINE_UNQUOTED([LLVM_ENABLE_ZLIB],$LLVM_ENABLE_ZLIB,
+ [Define if zlib is enabled])
+
dnl Allow building without position independent code
AC_ARG_ENABLE(pic,
AS_HELP_STRING([--enable-pic],
TARGETS_TO_BUILD=""
AC_ARG_ENABLE([targets],AS_HELP_STRING([--enable-targets],
[Build specific host targets: all or target1,target2,... Valid targets are:
- host, x86, x86_64, sparc, powerpc, arm, mips, hexagon,
- xcore, msp430, nvptx, and cpp (default=all)]),,
+ host, x86, x86_64, sparc, powerpc, arm, aarch64, mips, hexagon,
+ xcore, msp430, nvptx, systemz, and cpp (default=all)]),,
enableval=all)
if test "$enableval" = host-only ; then
enableval=host
fi
case "$enableval" in
- all) TARGETS_TO_BUILD="X86 Sparc PowerPC ARM Mips XCore MSP430 CppBackend MBlaze NVPTX Hexagon" ;;
+ all) TARGETS_TO_BUILD="X86 Sparc PowerPC AArch64 ARM Mips XCore MSP430 CppBackend MBlaze NVPTX Hexagon SystemZ" ;;
*)for a_target in `echo $enableval|sed -e 's/,/ /g' ` ; do
case "$a_target" in
x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
powerpc) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
+ aarch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
arm) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
mipsel) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
mblaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
nvptx) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
+ systemz) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
host) case "$llvm_cv_target_arch" in
x86) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
x86_64) TARGETS_TO_BUILD="X86 $TARGETS_TO_BUILD" ;;
Sparc) TARGETS_TO_BUILD="Sparc $TARGETS_TO_BUILD" ;;
PowerPC) TARGETS_TO_BUILD="PowerPC $TARGETS_TO_BUILD" ;;
+ AArch64) TARGETS_TO_BUILD="AArch64 $TARGETS_TO_BUILD" ;;
ARM) TARGETS_TO_BUILD="ARM $TARGETS_TO_BUILD" ;;
Mips) TARGETS_TO_BUILD="Mips $TARGETS_TO_BUILD" ;;
MBlaze) TARGETS_TO_BUILD="MBlaze $TARGETS_TO_BUILD" ;;
MSP430) TARGETS_TO_BUILD="MSP430 $TARGETS_TO_BUILD" ;;
Hexagon) TARGETS_TO_BUILD="Hexagon $TARGETS_TO_BUILD" ;;
NVPTX) TARGETS_TO_BUILD="NVPTX $TARGETS_TO_BUILD" ;;
+ SystemZ) TARGETS_TO_BUILD="SystemZ $TARGETS_TO_BUILD" ;;
*) AC_MSG_ERROR([Can not set target to build]) ;;
esac ;;
*) AC_MSG_ERROR([Unrecognized target $a_target]) ;;
CXX_FLAG_CHECK(NO_VARIADIC_MACROS, [-Wno-variadic-macros])
CXX_FLAG_CHECK(NO_MISSING_FIELD_INITIALIZERS, [-Wno-missing-field-initializers])
CXX_FLAG_CHECK(COVERED_SWITCH_DEFAULT, [-Wcovered-switch-default])
+
dnl GCC's potential uninitialized use analysis is weak and presents lots of
dnl false positives, so disable it.
+NO_UNINITIALIZED=
+NO_MAYBE_UNINITIALIZED=
if test "$GXX" = "yes"
then
CXX_FLAG_CHECK(NO_MAYBE_UNINITIALIZED, [-Wno-maybe-uninitialized])
dnl gcc 4.7 introduced -Wmaybe-uninitialized to distinguish cases which are
- dnl known to be uninitialized from cases which might be uninitialized. We
+ dnl known to be uninitialized from cases which might be uninitialized. We
dnl still want to catch the first kind of errors.
- if test "$NO_MAYBE_UNINITIALIZED" != "-Wno-maybe-uninitialized"
+ if test -z "$NO_MAYBE_UNINITIALIZED"
then
CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
- else
- dnl Some versions of gcc accept unsupported -W flags if there is
- dnl no warning but stop with an error when a warning is
- dnl encountered. If this gcc is earlier than 4.7, just use
- dnl -Wno-uninitialized.
- gxx_version=`$CXX -dumpversion`
- gxx_version_major=`echo $gxx_version | cut -d'.' -f1`
- gxx_version_minor=`echo $gxx_version | cut -d'.' -f2`
- gxx_version_patch=`echo $gxx_version | cut -d'.' -f3`
-
- if test "$gxx_version_major" -ge "4" \
- && test "$gxx_version_minor" -ge "7"; then
- dnl AC_SUBST doesn't work with empty strings.
- NO_UNINITIALIZED=
- else
- NO_MAYBE_UNINITIALIZED=
- CXX_FLAG_CHECK(NO_UNINITIALIZED, [-Wno-uninitialized])
- fi
fi
-else
- NO_UNINITIALIZED=
- NO_MAYBE_UNINITIALIZED=
fi
AC_MSG_RESULT([$NO_VARIADIC_MACROS $NO_MISSING_FIELD_INITIALIZERS $COVERED_SWITCH_DEFAULT $NO_UNINITIALIZED $NO_MAYBE_UNINITIALIZED])
[Have pthread_getspecific]))
fi
+dnl zlib is optional; used for compression/uncompression
+if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
+ AC_CHECK_LIB(z, compress2)
+fi
+
dnl Allow extra x86-disassembler library
AC_ARG_WITH(udis86,
AS_HELP_STRING([--with-udis86=<path>],
AC_HEADER_SYS_WAIT
AC_HEADER_TIME
+AC_LANG_PUSH([C++])
+AC_CHECK_HEADERS([cxxabi.h])
+AC_LANG_POP([C++])
AC_CHECK_HEADERS([dlfcn.h execinfo.h fcntl.h inttypes.h limits.h link.h])
AC_CHECK_HEADERS([malloc.h setjmp.h signal.h stdint.h termios.h unistd.h])
AC_CHECK_HEADERS([utime.h windows.h])
AC_CHECK_HEADERS([sys/types.h sys/ioctl.h malloc/malloc.h mach/mach.h])
AC_CHECK_HEADERS([valgrind/valgrind.h])
AC_CHECK_HEADERS([fenv.h])
+AC_CHECK_DECLS([FE_ALL_EXCEPT, FE_INEXACT], [], [], [[#include <fenv.h>]])
if test "$LLVM_ENABLE_THREADS" -eq 1 && test "$ENABLE_PTHREADS" -eq 1 ; then
AC_CHECK_HEADERS(pthread.h,
AC_SUBST(HAVE_PTHREAD, 1),
else
AC_SUBST(HAVE_PTHREAD, 0)
fi
+if test "$LLVM_ENABLE_ZLIB" -eq 1 ; then
+ AC_CHECK_HEADERS(zlib.h,
+ AC_SUBST(HAVE_LIBZ, 1),
+ AC_SUBST(HAVE_LIBZ, 0))
+else
+ AC_SUBST(HAVE_LIBZ, 0)
+fi
dnl Try to find ffi.h.
if test "$llvm_cv_enable_libffi" = "yes" ; then
AC_CHECK_FUNCS([backtrace ceilf floorf roundf rintf nearbyintf getcwd ])
AC_CHECK_FUNCS([powf fmodf strtof round ])
+AC_CHECK_FUNCS([log log2 log10 exp exp2])
AC_CHECK_FUNCS([getpagesize getrusage getrlimit setrlimit gettimeofday ])
AC_CHECK_FUNCS([isatty mkdtemp mkstemp ])
AC_CHECK_FUNCS([mktemp posix_spawn pread realpath sbrk setrlimit strdup ])
[Installation directory for man pages])
AC_DEFINE_UNQUOTED(LLVM_CONFIGTIME, "$LLVM_CONFIGTIME",
[Time at which LLVM was configured])
-AC_DEFINE_UNQUOTED(LLVM_HOSTTRIPLE, "$host",
+AC_DEFINE_UNQUOTED(LLVM_HOST_TRIPLE, "$host",
[Host triple LLVM will be executed on])
AC_DEFINE_UNQUOTED(LLVM_DEFAULT_TARGET_TRIPLE, "$target",
[Target triple LLVM will generate code for by default])
projects / oota-llvm.git / blobdiff