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This enables a registerised build for the riscv64 architecture.
This enables a registerised build for the riscv64 architecture.
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configure.ac 51.86 KiB
dnl == autoconf source for the Glasgow FP tools ==
dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/ +/g;'"
dnl (or some such) to see the outline of this file)
dnl
#
# (c) The University of Glasgow 1994-2012
#
# Configure script template for GHC
#
# Process with 'autoreconf' to get a working configure script.
#
# For the generated configure script, do "./configure --help" to
# see what flags are available. (Better yet, read the documentation!)
#
AC_INIT([The Glorious Glasgow Haskell Compilation System], [9.1], [glasgow-haskell-bugs@haskell.org], [ghc-AC_PACKAGE_VERSION])
# Version on HEAD must be X.Y (not X.Y.Z) for ProjectVersionMunged variable
# to be useful (cf #19058)
# Set this to YES for a released version, otherwise NO
: ${RELEASE=NO}
# The primary version (e.g. 7.5, 7.4.1) is set in the AC_INIT line
# above. If this is not a released version, then we will append the
# date to the version number (e.g. 7.4.20111220). The date is
# constructed by finding the date of the most recent patch in the
# git repository. If this is a source distribution (not a git
# checkout), then we ship a file 'VERSION' containing the full version
# when the source distribution was created.
if test ! -f mk/config.h.in; then
echo "mk/config.h.in doesn't exist: perhaps you haven't run 'python3 boot'?"
exit 1
fi
dnl this makes sure `./configure --target=<cross-compile-target>`
dnl works as expected, since we're slightly modifying how Autoconf
dnl interprets build/host/target and how this interacts with $CC tests
test -n "$target_alias" && ac_tool_prefix=$target_alias-
dnl ----------------------------------------------------------
dnl ** Find unixy sort and find commands,
dnl ** which are needed by FP_SETUP_PROJECT_VERSION
dnl ** Find find command (for Win32's benefit)
FP_PROG_FIND
FP_PROG_SORT
dnl ----------------------------------------------------------
FP_SETUP_PROJECT_VERSION
# Hmmm, we fix the RPM release number to 1 here... Is this convenient?
AC_SUBST([release], [1])
# First off, a distrib sanity check..
AC_CONFIG_SRCDIR([mk/config.mk.in])
dnl * We require autoconf version 2.69 due to
dnl https://bugs.ruby-lang.org/issues/8179. Also see #14910.
dnl * We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
dnl * We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
dnl * Using autoconf 2.59 started to give nonsense like this
dnl #define SIZEOF_CHAR 0
dnl recently.
AC_PREREQ([2.69])
# -------------------------------------------------------------------------
# Prepare to generate the following header files
##
AC_CONFIG_HEADER(mk/config.h)
# No, semi-sadly, we don't do `--srcdir'...
if test x"$srcdir" != 'x.' ; then
echo "This configuration does not support the \`--srcdir' option.."
exit 1
fi
dnl --------------------------------------------------------------
dnl * Project specific configuration options
dnl --------------------------------------------------------------
dnl What follows is a bunch of options that can either be configured
dnl through command line options to the configure script or by
dnl supplying defns in the build tree's mk/build.mk. Having the option to
dnl use either is considered a Feature.
dnl ** What command to use to compile compiler sources ?
dnl --------------------------------------------------------------
AC_ARG_VAR(GHC,[Use as the path to GHC [default=autodetect]])
AC_PATH_PROG([GHC], [ghc])
AC_ARG_WITH([ghc],
AS_HELP_STRING([--with-ghc=ARG], [Use ARG as the path to ghc (obsolete, use GHC=ARG instead) [default=autodetect]]),
AC_MSG_ERROR([--with-ghc=$withval is obsolete (use './configure GHC=$withval' or 'GHC=$withval ./configure' instead)]))
AC_SUBST(WithGhc,$GHC)
AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
[AS_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
[Allow bootstrapping using a development snapshot of GHC. This is not guaranteed to work.])],
EnableBootstrapWithDevelSnaphost=YES,
EnableBootstrapWithDevelSnaphost=NO
)
AC_ARG_ENABLE(tarballs-autodownload,
[AS_HELP_STRING([--enable-tarballs-autodownload],
[Automatically download Windows distribution binaries if needed.])],
TarballsAutodownload=YES,
TarballsAutodownload=NO
)
AC_ARG_ENABLE(distro-toolchain,
[AS_HELP_STRING([--enable-distro-toolchain],
[Do not use bundled Windows toolchain binaries.])],
EnableDistroToolchain=YES,
EnableDistroToolchain=NO
)
if test "$EnableDistroToolchain" = "YES"; then
TarballsAutodownload=NO
fi
AC_ARG_ENABLE(native-io-manager,
[AS_HELP_STRING([--enable-native-io-manager],
[Enable the native I/O manager by default.])],
EnableNativeIOManager=YES,
EnableNativeIOManager=NO
)
if test "$EnableNativeIOManager" = "YES"; then
AC_DEFINE_UNQUOTED([DEFAULT_NATIVE_IO_MANAGER], [1], [Enable Native I/O manager as default.])
fi
dnl CC_STAGE0, LD_STAGE0, AR_STAGE0 are like the "previous" variable
dnl CC, LD, AR (inherited by CC_STAGE[123], etc.)
dnl but instead used by stage0 for bootstrapping stage1
AC_ARG_VAR(CC_STAGE0, [C compiler command (bootstrap)])
AC_ARG_VAR(LD_STAGE0, [Linker command (bootstrap)])
AC_ARG_VAR(AR_STAGE0, [Archive command (bootstrap)])
dnl RTS ways supplied by the bootstrapping compiler.
AC_ARG_VAR(RTS_WAYS_STAGE0, [RTS ways])
if test "$WithGhc" != ""; then
FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
if test "$GhcMajVersion" = "unknown" || test "$GhcMinVersion" = "unknown"; then
AC_MSG_ERROR([Cannot determine the version of $WithGhc. Is it really GHC?])
fi
AC_SUBST(GhcVersion)dnl
AC_SUBST(GhcMajVersion)dnl
AC_SUBST(GhcMinVersion)dnl
AC_SUBST(GhcPatchLevel)dnl
GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
dnl infer {CC,LD,AR}_STAGE0 from `ghc --info` unless explicitly set by user
if test -z "$CC_STAGE0"; then
BOOTSTRAPPING_GHC_INFO_FIELD([CC_STAGE0],[C compiler command])
fi
if test -z "$LD_STAGE0"; then
BOOTSTRAPPING_GHC_INFO_FIELD([LD_STAGE0],[ld command])
fi
if test -z "$AR_STAGE0"; then
BOOTSTRAPPING_GHC_INFO_FIELD([AR_STAGE0],[ar command])
fi
BOOTSTRAPPING_GHC_INFO_FIELD([AR_OPTS_STAGE0],[ar flags])
BOOTSTRAPPING_GHC_INFO_FIELD([ArSupportsAtFile_STAGE0],[ar supports at file])
BOOTSTRAPPING_GHC_INFO_FIELD([SUPPORT_SMP_STAGE0],[Support SMP])
BOOTSTRAPPING_GHC_INFO_FIELD([RTS_WAYS_STAGE0],[RTS ways])
dnl Check whether or not the bootstrapping GHC has a threaded RTS. This
dnl determines whether or not we can have a threaded stage 1.
dnl See Note [Linking ghc-bin against threaded stage0 RTS] in
dnl hadrian/src/Settings/Packages.hs for details.
dnl SMP support which implies a registerised stage0 is also required (see issue 18266)
if echo ${RTS_WAYS_STAGE0} | grep '.*thr.*' 2>&1 >/dev/null && \
test "$SUPPORT_SMP_STAGE0" = "YES"
then
AC_SUBST(GhcThreadedRts, YES)
else
AC_SUBST(GhcThreadedRts, NO)
fi
fi
dnl ** Must have GHC to build GHC
if test "$WithGhc" = ""
then
AC_MSG_ERROR([GHC is required.])
fi
FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[8.8],
[AC_MSG_ERROR([GHC version 8.8 or later is required to compile GHC.])])
if test `expr $GhcMinVersion % 2` = "1"
then
if test "$EnableBootstrapWithDevelSnaphost" = "NO"
then
AC_MSG_ERROR([
$WithGhc is a development snapshot of GHC, version $GhcVersion.
Bootstrapping using this version of GHC is not supported, and may not
work. Use --enable-bootstrap-with-devel-snapshot to try it anyway,
or 'GHC=' to specify a different GHC to use.])
fi
fi
# GHC is passed to Cabal, so we need a native path
if test "${WithGhc}" != ""then
ghc_host_os=`"${WithGhc}" +RTS --info | grep 'Host OS' | sed -e 's/.*, "//' -e 's/")//'`
if test "$ghc_host_os" = "mingw32"
then
if test "${OSTYPE}" = "msys"
then
WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
else
# Canonicalise to <drive>:/path/to/ghc
WithGhc=`cygpath -m "${WithGhc}"`
fi
echo "GHC path canonicalised to: ${WithGhc}"
fi
fi
AC_SUBST([WithGhc])
dnl ** Without optimization some INLINE trickery fails for GHCi
SRC_CC_OPTS="-O"
dnl--------------------------------------------------------------------
dnl * Choose host(/target/build) platform
dnl--------------------------------------------------------------------
dnl If we aren't explicitly told what values to use with configure flags,
dnl we ask the bootstrapping compiler what platform it is for
if test "${WithGhc}" != ""
then
bootstrap_host=`"${WithGhc}" +RTS --info | grep '^ ,("Host platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
bootstrap_target=`"${WithGhc}" +RTS --info | grep '^ ,("Target platform"' | sed -e 's/.*, "//' -e 's/")//' | tr -d '\r'`
if test "$bootstrap_host" != "$bootstrap_target"
then
echo "Bootstrapping GHC is a cross compiler. This probably isn't going to work"
fi
fi
# We have to run these unconditionally, but we may discard their
# results in the following code
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
AC_CANONICAL_TARGET
FPTOOLS_SET_PLATFORM_VARS
# Verify that the installed (bootstrap) GHC is capable of generating
# code for the requested build platform.
if test "$BuildPlatform" != "$bootstrap_target"
then
echo "This GHC (${WithGhc}) does not generate code for the build platform"
echo " GHC target platform : $bootstrap_target"
echo " Desired build platform : $BuildPlatform"
exit 1
fi
# Testing if we shall enable shared libs support on Solaris.
# Anything older than SunOS 5.11 aka Solaris 11 (Express) is broken.
SOLARIS_BROKEN_SHLD=NO
case $host in
i386-*-solaris2)
# here we go with the test
MINOR=`uname -r|cut -d '.' -f 2-`
if test "$MINOR" -lt "11"; then
SOLARIS_BROKEN_SHLD=YES
fi
;;
esac
AC_SUBST(SOLARIS_BROKEN_SHLD)
dnl ** Do an unregisterised build?
dnl --------------------------------------------------------------
AC_MSG_CHECKING(whether target supports a registerised ABI)
case "$TargetArch" in
i386|x86_64|powerpc|powerpc64|powerpc64le|s390x|arm|aarch64|riscv64)
UnregisterisedDefault=NO
AC_MSG_RESULT([yes])
;;
*)
UnregisterisedDefault=YES
AC_MSG_RESULT([no])
;;
esac
FP_DEFAULT_CHOICE_OVERRIDE_CHECK(
[unregisterised],
[unregisterised],
[registerised],
[Unregisterised],
[Build a toolchain with the unregisterised ABI (disabled by default on platforms with registerised support)],
[NO],
[YES],
[no])
AC_SUBST(Unregisterised)
dnl ** Do a build with tables next to code?
dnl
dnl Whether the target architecture supports placing info tables
dnl directly before the entry code (see TABLES_NEXT_TO_CODE in the RTS).
dnl Whether we actually compile for TABLES_NEXT_TO_CODE depends on
dnl whether we're building unregisterised code or not, which may be
dnl decided by options to the compiler later.
dnl
dnl See https://gitlab.haskell.org/ghc/ghc/wikis/commentary/rts/storage/heap-objects#tables_next_to_code
dnl --------------------------------------------------------------
AC_MSG_CHECKING(whether target supports tables next to code)
case "$Unregisterised" in
NO)
case "$TargetArch" in
ia64|powerpc64|powerpc64le|s390x|riscv64)
TablesNextToCodeDefault=NO
AC_MSG_RESULT([no])
;;
*)
TablesNextToCodeDefault=YES
AC_MSG_RESULT([yes])
;;
esac
;;
YES)
TablesNextToCodeDefault=NO
AC_MSG_RESULT([no])
;;
esac
FP_DEFAULT_CHOICE_OVERRIDE_CHECK(
[tables-next-to-code],
[tables next to code],
[tables apart from code],
[TablesNextToCode],
[Build a tool chain with info tables laid out next to code (enabled by default when using the registerised ABI, on platforms that support it)])
if test x"$TablesNextToCode" = xYES; then
AC_DEFINE([TABLES_NEXT_TO_CODE], [1], [Define to 1 if info tables are laid out next to code])
fi
AC_SUBST(TablesNextToCode)
dnl ** Does target have runtime linker support?
dnl --------------------------------------------------------------
case "$target" in powerpc64-*|powerpc64le-*|powerpc-ibm-aix*|s390x-ibm-linux|riscv64-*)
TargetHasRTSLinker=NO
;;
*)
TargetHasRTSLinker=YES
;;
esac
AC_SUBST(TargetHasRTSLinker)
# Requires FPTOOLS_SET_PLATFORM_VARS to be run first.
FP_FIND_ROOT
if test "$HostOS" = "mingw32"
then
# Find the mingw-w64 7z file to extract.
# NB. If you update the tarballs to a new version of gcc, don't
# forget to tweak the paths in driver/gcc/gcc.c.
if test "$HostArch" = "i386"
then
mingw_arch="i686"
tarball_dest_dir="mingw-w64/i686"
tarball_mingw_dir="mingw32"
else
mingw_arch="x86_64"
tarball_dest_dir="mingw-w64/x86_64"
tarball_mingw_dir="mingw64"
fi
fi
set_up_tarballs() {
AC_MSG_NOTICE([Checking for Windows toolchain tarballs...])
local action
if test "$TarballsAutodownload" = "NO"
then
action="verify"
else
action="download"
fi
$PYTHON mk/get-win32-tarballs.py $action $mingw_arch > missing-win32-tarballs
case $? in
0)
rm missing-win32-tarballs
;;
2)
echo
echo "Error:"
echo "Needed msys2 tarballs are missing. You have a few options to get them,"
echo
echo " * run configure with the --enable-tarballs-autodownload option"
echo
echo " * run mk/get-win32-tarballs.py download $mingw_arch"
echo
echo " * manually download the files listed in ./missing-win32-tarballs and place"
echo " them in the ghc-tarballs directory."
echo
exit 1
;;
*)
echo
echo "Error fetching msys2 tarballs; see errors above."
exit 1
;;
esac
# Extract all the tarballs in one go
if ! test -d inplace/mingw
then
AC_MSG_NOTICE([Extracting Windows toolchain from archives (may take a while)...])
rm -rf inplace/mingw local base_dir="../ghc-tarballs/${tarball_dest_dir}"
( cd inplace &&
find "${base_dir}" -name "*.tar.xz" -exec tar --xz -xf {} \; &&
find "${base_dir}" -name "*.tar.zst" -exec tar --zstd -xf {} \; &&
rm ".MTREE" &&
rm ".PKGINFO" &&
cd .. ) || AC_MSG_ERROR([Could not extract Windows toolchains.])
mv "inplace/${tarball_mingw_dir}" inplace/mingw &&
touch inplace/mingw
# NB. Now since the GCC is hardcoded to use /mingw32 we need to
# make a wrapper around it to give it the proper paths
mv inplace/mingw/bin/gcc.exe inplace/mingw/bin/realgcc.exe
PATH=`pwd`/inplace/mingw/bin:$PATH
inplace/mingw/bin/realgcc.exe driver/gcc/gcc.c driver/utils/cwrapper.c driver/utils/getLocation.c -Idriver/utils -o inplace/mingw/bin/gcc.exe
AC_MSG_NOTICE([In-tree MingW-w64 tree created])
fi
}
# See Note [tooldir: How GHC finds mingw on Windows]
if test "$HostOS" = "mingw32" -a "$EnableDistroToolchain" = "NO"
then
test -d inplace || mkdir inplace
# NB. Download and extract the MingW-w64 distribution if required
set_up_tarballs
mingwbin="$hardtop/inplace/mingw/bin/"
CC="${mingwbin}gcc.exe"
LD="${mingwbin}ld.exe"
NM="${mingwbin}nm.exe"
RANLIB="${mingwbin}ranlib.exe"
OBJDUMP="${mingwbin}objdump.exe"
MergeObjsCmd="$LD"
MergeObjsArgs="-r --oformat=pe-bigobj-x86-64"
fp_prog_ar="${mingwbin}ar.exe"
AC_PATH_PROG([Genlib],[genlib])
fi
# We don't want to bundle a MinGW-w64 toolchain
# So we have to find these individual tools.
# See Note [tooldir: How GHC finds mingw on Windows]
if test "$EnableDistroToolchain" = "YES"
then
# Ideally should use AC_CHECK_TARGET_TOOL but our triples
# are screwed up. Configure doesn't think they're ever equal and
# so never tried without the prefix.
AC_PATH_PROG([CC],[gcc], [clang])
AC_PATH_PROG([NM],[nm])
AC_PATH_PROG([LD],[ld])
AC_PATH_PROG([AR],[ar])
AC_PATH_PROG([RANLIB],[ranlib])
AC_PATH_PROG([OBJDUMP],[objdump])
AC_PATH_PROG([DllWrap],[dllwrap])
AC_PATH_PROG([Windres],[windres])
AC_PATH_PROG([Genlib],[genlib])
else
AC_CHECK_TARGET_TOOL([Windres],[windres])
AC_CHECK_TARGET_TOOL([DllWrap],[dllwrap])
AC_CHECK_TARGET_TOOL([OBJDUMP],[objdump])
fi
DllWrapCmd="$DllWrap"
WindresCmd="$Windres"
HAVE_GENLIB=False
if test "$HostOS" = "mingw32"then
if test "$Genlib" != ""; then
GenlibCmd="$(cygpath -m $Genlib)"
HAVE_GENLIB=True
fi
fi
AC_SUBST([DllWrapCmd])
AC_SUBST([WindresCmd])
AC_SUBST([GenlibCmd])
AC_SUBST([HAVE_GENLIB])
FP_ICONV
FP_GMP
FP_CURSES
dnl On Windows we force in-tree GMP build until we support dynamic linking
if test "$HostOS" = "mingw32"
then
GMP_FORCE_INTREE="YES"
fi
XCODE_VERSION()
dnl ** Building a cross compiler?
dnl --------------------------------------------------------------
CrossCompiling=NO
# If 'host' and 'target' differ, then this means we are building a cross-compiler.
if test "$target" != "$host" ; then
CrossCompiling=YES
cross_compiling=yes # This tells configure that it can accept just 'target',
# otherwise you get
# configure: error: cannot run C compiled programs.
# If you meant to cross compile, use `--host'.
fi
if test "$BuildPlatform" != "$HostPlatform" ; then
AC_MSG_ERROR([
You've selected:
BUILD: $BuildPlatform (the architecture we're building on)
HOST: $HostPlatform (the architecture the compiler we're building will execute on)
TARGET: $TargetPlatform (the architecture the compiler we're building will produce code for)
BUILD must equal HOST; that is, we do not support building GHC itself
with a cross-compiler. To cross-compile GHC itself, set TARGET: stage
1 will be a cross-compiler, and stage 2 will be the cross-compiled
GHC.
])
fi
# Despite its similarity in name to TargetPlatform, TargetPlatformFull is used
# in calls to subproject configure scripts and thus must be set to the autoconf
# triple, not the normalized GHC triple that TargetPlatform is set to.
#
# We use the non-canonicalized triple, target_alias, here since the subproject
# configure scripts will use this triple to construct the names of the toolchain
# executables. If we instead passed down the triple produced by
# AC_CANONICAL_TARGET then it may look for the target toolchain under the wrong
# name (this is a known problem in the case of the Android NDK, which has
# slightly odd triples).
#
# It may be better to just do away with the GHC triples altogether. This would
# all be taken care of for us if we configured the subprojects using
# AC_CONFIG_DIR, but unfortunately Cabal needs to be the one to do the
# configuration.
#
# We also use non-canonicalized triple when install stage1 crosscompiler
if test -z "${target_alias}"
then
# --target wasn't given; use result from AC_CANONICAL_TARGET TargetPlatformFull="${target}"
else
TargetPlatformFull="${target_alias}"
fi
if test "$CrossCompiling" = "YES"
then
# Use value passed by user from --target=
CrossCompilePrefix="${TargetPlatformFull}-"
else
CrossCompilePrefix=""
fi
AC_SUBST(CrossCompiling)
AC_SUBST(CrossCompilePrefix)
AC_SUBST(TargetPlatformFull)
AC_SUBST(EnableDistroToolchain)
dnl ** Which gcc to use?
dnl --------------------------------------------------------------
AC_ARG_WITH([gcc],
AS_HELP_STRING([--with-gcc=ARG], [Use ARG as the path to gcc (obsolete, use CC=ARG instead) [default=autodetect]]),
AC_MSG_ERROR([--with-gcc=$withval is obsolete (use './configure CC=$withval' or 'CC=$withval ./configure' instead)]))
AC_ARG_WITH([clang],
AS_HELP_STRING([--with-clang=ARG], [Use ARG as the path to clang (obsolete, use CC=ARG instead) [default=autodetect]]),
AC_MSG_ERROR([--with-clang=$withval is obsolete (use './configure CC=$withval' or 'CC=$withval ./configure' instead)]))
dnl detect compiler (prefer gcc over clang) and set $CC (unless CC already set),
dnl later CC is copied to CC_STAGE{1,2,3}
AC_PROG_CC([cc gcc clang])
MAYBE_OVERRIDE_STAGE0([ar],[AR_STAGE0])
dnl make extensions visible to allow feature-tests to detect them lateron
AC_USE_SYSTEM_EXTENSIONS
dnl ** figure out how to invoke the C preprocessor (i.e. `gcc -E`)
AC_PROG_CPP
# --with-hs-cpp/--with-hs-cpp-flags
FP_CPP_CMD_WITH_ARGS(HaskellCPPCmd, HaskellCPPArgs)
AC_SUBST([HaskellCPPCmd])
AC_SUBST([HaskellCPPArgs])
FP_SET_CFLAGS_C99([CC],[CFLAGS],[CPPFLAGS])
FP_SET_CFLAGS_C99([CC_STAGE0],[CONF_CC_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
FP_SET_CFLAGS_C99([CC],[CONF_CC_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
FP_SET_CFLAGS_C99([CC],[CONF_CC_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
dnl ** Which ld to use
dnl --------------------------------------------------------------
AC_ARG_VAR(LD,[Use as the path to ld. See also --disable-ld-override.])
FIND_LD([$target],[GccUseLdOpt])
FIND_MERGE_OBJECTS()
CONF_GCC_LINKER_OPTS_STAGE1="$CONF_GCC_LINKER_OPTS_STAGE1 $GccUseLdOpt"
CONF_GCC_LINKER_OPTS_STAGE2="$CONF_GCC_LINKER_OPTS_STAGE2 $GccUseLdOpt"
LdCmd="$LD"
CFLAGS="$CFLAGS $GccUseLdOpt"
AC_SUBST([LdCmd])
FP_PROG_LD_IS_GNU
FP_PROG_LD_BUILD_ID
FP_PROG_LD_NO_COMPACT_UNWIND
FP_PROG_LD_FILELIST
dnl ** Which nm to use?
dnl --------------------------------------------------------------
if test "$HostOS" != "mingw32"; then
AC_CHECK_TARGET_TOOL([NM], [nm])
if test "$NM" = ":"; then AC_MSG_ERROR([cannot find nm in your PATH])
fi
fi
NmCmd="$NM"
AC_SUBST([NmCmd])
if test "$TargetOS_CPP" = "darwin"
then
AC_MSG_CHECKING(whether nm program is broken)
# Some versions of Xcode ship a broken version of `nm`. Detect and work
# around this issue. See : https://gitlab.haskell.org/ghc/ghc/issues/11744
nmver=$(${NM} --version | grep version | sed 's/ //g')
case "$nmver" in
LLVMversion7.3.0|LLVMversion7.3.1)
AC_MSG_RESULT(yes)
echo "The detected nm program is broken."
echo
echo "See: https://gitlab.haskell.org/ghc/ghc/issues/11744"
echo
echo "Try re-running configure with:"
echo
echo ' NM=$(xcrun --find nm-classic) ./configure'
echo
exit 1
;;
*)
AC_MSG_RESULT(no)
;;
esac
fi
dnl ** Which objdump to use?
dnl --------------------------------------------------------------
dnl Note: we may not have objdump on OS X, and we only need it on
dnl Windows (for DLL checks), OpenBSD, and AIX
case $HostOS_CPP in
cygwin32|mingw32|openbsd|aix)
AC_CHECK_TARGET_TOOL([OBJDUMP], [objdump])
;;
esac
ObjdumpCmd="$OBJDUMP"
AC_SUBST([ObjdumpCmd])
dnl ** Which ranlib to use?
dnl --------------------------------------------------------------
AC_PROG_RANLIB
if test "$RANLIB" = ":"; then
AC_MSG_ERROR([cannot find ranlib in your PATH])
fi
RanlibCmd="$RANLIB"
AC_SUBST([RanlibCmd])
dnl ** which strip to use?
dnl --------------------------------------------------------------
AC_CHECK_TARGET_TOOL([STRIP], [strip])
StripCmd="$STRIP"
AC_SUBST([StripCmd])
dnl ** which libtool to use?
dnl --------------------------------------------------------------
# The host normalization on Windows breaks autoconf, it no longer
# thinks that target == host so it never checks the unqualified
# tools for Windows. See #14274.
if test "$HostOS" = "mingw32"
then
AC_PATH_PROG([LIBTOOL],[libtool])
LibtoolCmd="$(cygpath -m $LIBTOOL)"
else AC_CHECK_TARGET_TOOL([LIBTOOL], [libtool])
LibtoolCmd="$LIBTOOL"
fi
AC_SUBST([LibtoolCmd])
dnl ** Which otool to use on macOS
dnl --------------------------------------------------------------
AC_CHECK_TARGET_TOOL([OTOOL], [otool])
OtoolCmd="$OTOOL"
AC_SUBST(OtoolCmd)
dnl ** Which install_name_tool to use on macOS
dnl --------------------------------------------------------------
AC_CHECK_TARGET_TOOL([INSTALL_NAME_TOOL], [install_name_tool])
InstallNameToolCmd="$INSTALL_NAME_TOOL"
AC_SUBST(InstallNameToolCmd)
# Here is where we re-target which specific version of the LLVM
# tools we are looking for. In the past, GHC supported a number of
# versions of LLVM simultaneously, but that stopped working around
# 3.5/3.6 release of LLVM.
LlvmVersion=10
AC_SUBST([LlvmVersion])
sUPPORTED_LLVM_VERSION=$(echo \($LlvmVersion\) | sed 's/\./,/')
AC_DEFINE_UNQUOTED([sUPPORTED_LLVM_VERSION], ${sUPPORTED_LLVM_VERSION}, [The supported LLVM version number])
dnl ** Which LLVM clang to use?
dnl --------------------------------------------------------------
AC_ARG_VAR(CLANG,[Use as the path to clang [default=autodetect]])
AC_CHECK_TARGET_TOOL([CLANG], [clang])
ClangCmd="$CLANG"
AC_SUBST([ClangCmd])
dnl ** Which LLVM llc to use?
dnl --------------------------------------------------------------
AC_ARG_VAR(LLC,[Use as the path to LLVM's llc [default=autodetect]])
FIND_LLVM_PROG([LLC], [llc], [$LlvmVersion])
LlcCmd="$LLC"
AC_SUBST([LlcCmd])
dnl ** Which LLVM opt to use?
dnl --------------------------------------------------------------
AC_ARG_VAR(OPT,[Use as the path to LLVM's opt [default=autodetect]])
FIND_LLVM_PROG([OPT], [opt], [$LlvmVersion])
OptCmd="$OPT"
AC_SUBST([OptCmd])
dnl --------------------------------------------------------------
dnl End of configure script option section
dnl --------------------------------------------------------------
dnl ** Copy the files from the "fs" utility into the right folders.
dnl --------------------------------------------------------------
AC_MSG_NOTICE([Creating links for in-tree file handling routines])
ln -f utils/fs/fs.* utils/lndir/
ln -f utils/fs/fs.* utils/unlit/
ln -f utils/fs/fs.* rts/
ln -f utils/fs/fs.h libraries/base/include/
ln -f utils/fs/fs.c libraries/base/cbits/
AC_MSG_NOTICE([Routines in place. Packages can now be build normally.])
dnl ** Copy files for ghci wrapper C utilities.
dnl --------------------------------------------------------------
dnl See Note [Hadrian's ghci-wrapper package] in hadrian/src/Packages.hs
AC_MSG_NOTICE([Creating links for ghci wrapper])
ln -f driver/utils/getLocation.c driver/ghci/
ln -f driver/utils/getLocation.h driver/ghci/
ln -f driver/utils/isMinTTY.c driver/ghci/
ln -f driver/utils/isMinTTY.h driver/ghci/
ln -f driver/utils/cwrapper.c driver/ghci/ln -f driver/utils/cwrapper.h driver/ghci/
AC_MSG_NOTICE([done.])
dnl --------------------------------------------------------------
dnl ** Can the unix package be built?
dnl --------------------------------------------------------------
dnl ** does #! work?
AC_SYS_INTERPRETER()
dnl ** look for GCC and find out which version
dnl Figure out which C compiler to use. Gcc is preferred.
dnl If gcc, make sure it's at least 4.7
dnl
FP_GCC_VERSION
dnl ** See whether gcc supports -no-pie
FP_GCC_SUPPORTS_NO_PIE
dnl ** Used to determine how to compile ghc-prim's atomics.c, used by
dnl unregisterised, Sparc, and PPC backends.
FP_GCC_SUPPORTS__ATOMICS
if test $CONF_GCC_SUPPORTS__ATOMICS = YES ; then
AC_DEFINE([HAVE_C11_ATOMICS], [1], [Does GCC support __atomic primitives?])
else
AC_MSG_ERROR([C compiler needs to support __atomic primitives.])
fi
FP_GCC_EXTRA_FLAGS
dnl ** look to see if we have a C compiler using an llvm back end.
dnl
FP_CC_LLVM_BACKEND
FPTOOLS_SET_C_LD_FLAGS([target],[CFLAGS],[LDFLAGS],[IGNORE_LINKER_LD_FLAGS],[CPPFLAGS])
FPTOOLS_SET_C_LD_FLAGS([build],[CONF_CC_OPTS_STAGE0],[CONF_GCC_LINKER_OPTS_STAGE0],[CONF_LD_LINKER_OPTS_STAGE0],[CONF_CPP_OPTS_STAGE0])
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE1],[CONF_GCC_LINKER_OPTS_STAGE1],[CONF_LD_LINKER_OPTS_STAGE1],[CONF_CPP_OPTS_STAGE1])
FPTOOLS_SET_C_LD_FLAGS([target],[CONF_CC_OPTS_STAGE2],[CONF_GCC_LINKER_OPTS_STAGE2],[CONF_LD_LINKER_OPTS_STAGE2],[CONF_CPP_OPTS_STAGE2])
# Stage 3 won't be supported by cross-compilation
# See rules/distdir-way-opts.mk for details.
# Flags passed to the C compiler
AC_SUBST(CONF_CC_OPTS_STAGE0)
AC_SUBST(CONF_CC_OPTS_STAGE1)
AC_SUBST(CONF_CC_OPTS_STAGE2)
# Flags passed to the C compiler when we ask it to link
AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE0)
AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE1)
AC_SUBST(CONF_GCC_LINKER_OPTS_STAGE2)
# Flags passed to the linker when we ask it to link
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE0)
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE1)
AC_SUBST(CONF_LD_LINKER_OPTS_STAGE2)
# Flags passed to the C preprocessor
AC_SUBST(CONF_CPP_OPTS_STAGE0)
AC_SUBST(CONF_CPP_OPTS_STAGE1)
AC_SUBST(CONF_CPP_OPTS_STAGE2)
# Flags passed to the Haskell compiler
AC_SUBST(CONF_HC_OPTS_STAGE0)
AC_SUBST(CONF_HC_OPTS_STAGE1)
AC_SUBST(CONF_HC_OPTS_STAGE2)
dnl ** Set up the variables for the platform in the settings file.
dnl May need to use gcc to find platform details.
dnl --------------------------------------------------------------
FPTOOLS_SET_HASKELL_PLATFORM_VARS
dnl ** figure out how to do context diffs
FP_PROG_CONTEXT_DIFF
dnl Let's make sure install-sh is executable here. If we got it from
dnl a darcs repo, it might not be (see bug #978).
chmod +x install-sh
dnl ** figure out how to do a BSD-ish install
AC_PROG_INSTALL
dnl ** how to invoke `ar' and `ranlib'
FP_PROG_AR_SUPPORTS_ATFILE
FP_PROG_AR_NEEDS_RANLIB
dnl ** Check to see whether ln -s works
AC_PROG_LN_S
FP_SETTINGS
dnl ** Find the path to sed
AC_PATH_PROGS(SedCmd,gsed sed,sed)
dnl ** check for time command
AC_PATH_PROG(TimeCmd,time)
dnl ** check for tar
dnl if GNU tar is named gtar, look for it first.
AC_PATH_PROGS(TarCmd,gnutar gtar tar,tar)
dnl ** check for compressors
AC_PATH_PROGS(Bzip2Cmd,bzip2, bzip2)
AC_PATH_PROGS(GzipCmd,gzip, gzip)
AC_PATH_PROGS(XzCmd,pxz xz, xz)
dnl ** check for patch
dnl if GNU patch is named gpatch, look for it first
AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
dnl ** check for autoreconf
AC_PATH_PROG(AutoreconfCmd, autoreconf, autoreconf)
dnl ** check for dtrace (currently only implemented for Mac OS X)
AC_ARG_ENABLE(dtrace,
[AS_HELP_STRING([--enable-dtrace],
[Enable DTrace])],
EnableDtrace=$enableval,
EnableDtrace=yes
)
HaveDtrace=NO
AC_PATH_PROG(DtraceCmd,dtrace)
if test "x$EnableDtrace" = "xyes"; then
if test -n "$DtraceCmd"; then
if test "x$TargetOS_CPP-$TargetVendor_CPP" = "xdarwin-apple" \
-o "x$TargetOS_CPP-$TargetVendor_CPP" = "xfreebsd-portbld" \
-o "x$TargetOS_CPP-$TargetVendor_CPP" = "xsolaris2-unknown"; then
HaveDtrace=YES
fi
fi
fi
AC_SUBST(HaveDtrace)
AC_PATH_PROG(HSCOLOUR,HsColour)
# HsColour is passed to Cabal, so we need a native path
if test "$HostOS" = "mingw32" && \
test "${OSTYPE}" != "msys" && \
test "${HSCOLOUR}" != ""
then
# Canonicalise to <drive>:/path/to/gcc
HSCOLOUR=`cygpath -m ${HSCOLOUR}`
fi
dnl ** check for Sphinx toolchain
AC_PATH_PROG(SPHINXBUILD,sphinx-build)
AC_CACHE_CHECK([for version of sphinx-build], fp_cv_sphinx_version,
changequote(, )dnl
[if test -n "$SPHINXBUILD"; then
fp_cv_sphinx_version=`"$SPHINXBUILD" --version 2>&1 | sed 's/.* \([0-9]\.[0-9]\.[0-9]\)/\1/' | head -n1`;
fi;
changequote([, ])dnl
])
FP_COMPARE_VERSIONS([$fp_cv_sphinx_version],-lt,1.0.0,
[AC_MSG_WARN([Sphinx version 1.0.0 or later is required to build documentation]); SPHINXBUILD=;])
if test -n "$SPHINXBUILD"; then
if "$SPHINXBUILD" -b text utils/check-sphinx utils/check-sphinx/dist > /dev/null 2>&1; then true; else
AC_MSG_WARN([Sphinx for python3 is required to build documentation.])
SPHINXBUILD=;
fi
fi
dnl ** check for xelatex
AC_PATH_PROG(XELATEX,xelatex)
AC_PATH_PROG(MAKEINDEX,makeindex)
dnl ** check for makeinfo
AC_PATH_PROG(MAKEINFO,makeinfo)
dnl ** check for Python for testsuite driver
FIND_PYTHON
dnl ** check for ghc-pkg command
FP_PROG_GHC_PKG
dnl ** check for installed happy binary + version
AC_ARG_VAR(HAPPY,[Use as the path to happy [default=autodetect]])
FPTOOLS_HAPPY
dnl ** check for installed alex binary + version
AC_ARG_VAR(ALEX,[Use as the path to alex [default=autodetect]])
FPTOOLS_ALEX
dnl --------------------------------------------------
dnl ### program checking section ends here ###
dnl --------------------------------------------------
dnl --------------------------------------------------
dnl * Platform header file and syscall feature tests
dnl ### checking the state of the local header files and syscalls ###
dnl ** Enable large file support. NB. do this before testing the type of
dnl off_t, because it will affect the result of that test.
AC_SYS_LARGEFILE
dnl ** check for specific header (.h) files that we are interested in
AC_CHECK_HEADERS([ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/param.h sys/mman.h sys/resource.h sys/select.h sys/time.h sys/timeb.h sys/timerfd.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
dnl sys/cpuset.h needs sys/param.h to be included first on FreeBSD 9.1; #7708
AC_CHECK_HEADERS([sys/cpuset.h], [], [],
[[#if HAVE_SYS_PARAM_H
# include <sys/param.h>
#endif
]])
dnl ** check if it is safe to include both <time.h> and <sys/time.h>
AC_HEADER_TIME
dnl ** do we have long longs?
AC_CHECK_TYPES([long long])
dnl ** what are the sizes of various typesFP_CHECK_SIZEOF_AND_ALIGNMENT(char)
FP_CHECK_SIZEOF_AND_ALIGNMENT(double)
FP_CHECK_SIZEOF_AND_ALIGNMENT(float)
FP_CHECK_SIZEOF_AND_ALIGNMENT(int)
FP_CHECK_SIZEOF_AND_ALIGNMENT(long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_SIZEOF_AND_ALIGNMENT(long long)
fi
FP_CHECK_SIZEOF_AND_ALIGNMENT(short)
FP_CHECK_SIZEOF_AND_ALIGNMENT(unsigned char)
FP_CHECK_SIZEOF_AND_ALIGNMENT(unsigned int)
FP_CHECK_SIZEOF_AND_ALIGNMENT(unsigned long)
if test "$ac_cv_type_long_long" = yes; then
FP_CHECK_SIZEOF_AND_ALIGNMENT(unsigned long long)
fi
FP_CHECK_SIZEOF_AND_ALIGNMENT(unsigned short)
FP_CHECK_SIZEOF_AND_ALIGNMENT(void *)
FP_CHECK_SIZEOF_AND_ALIGNMENT(int8_t)
FP_CHECK_SIZEOF_AND_ALIGNMENT(uint8_t)
FP_CHECK_SIZEOF_AND_ALIGNMENT(int16_t)
FP_CHECK_SIZEOF_AND_ALIGNMENT(uint16_t)
FP_CHECK_SIZEOF_AND_ALIGNMENT(int32_t)
FP_CHECK_SIZEOF_AND_ALIGNMENT(uint32_t)
FP_CHECK_SIZEOF_AND_ALIGNMENT(int64_t)
FP_CHECK_SIZEOF_AND_ALIGNMENT(uint64_t)
dnl for use in settings file
TargetWordSize=$ac_cv_sizeof_void_p
if test "x$TargetWordSize" = x8; then
AC_SUBST([Cabal64bit],[True])
else
AC_SUBST([Cabal64bit],[False])
fi
AC_SUBST(TargetWordSize)
AC_C_BIGENDIAN([TargetWordBigEndian=YES],[TargetWordBigEndian=NO])
AC_SUBST(TargetWordBigEndian)
FP_CHECK_FUNC([WinExec],
[@%:@include <windows.h>], [WinExec("",0)])
FP_CHECK_FUNC([GetModuleFileName],
[@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
dnl ** check for more functions
dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r sched_setaffinity sched_getaffinity setlocale])
dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
dnl ** _POSIX_C_SOURCE is defined
AC_CHECK_DECLS([ctime_r], , ,
[#define _POSIX_SOURCE 1
#define _POSIX_C_SOURCE 199506L
#include <time.h>])
dnl ** check for mingwex library
AC_CHECK_LIB(
[mingwex],
[closedir],
[AC_SUBST([HaveLibMingwEx],[YES])] [AC_SUBST([CabalMingwex],[True])],
[AC_SUBST([HaveLibMingwEx],[NO])] [AC_SUBST([CabalMingwex],[False])])
if test $HaveLibMingwEx = YES ; then
AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
fi
dnl ** check for math library
dnl Keep that check as early as possible.dnl as we need to know whether we need libm
dnl for math functions or not
dnl (see https://gitlab.haskell.org/ghc/ghc/issues/3730)
AC_CHECK_LIB(m, atan, HaveLibM=YES, HaveLibM=NO)
if test $HaveLibM = YES
then
AC_DEFINE([HAVE_LIBM], [1], [Define to 1 if you need to link with libm])
AC_SUBST([CabalHaveLibm],[True])
else
AC_SUBST([CabalHaveLibm],[False])
fi
FP_BFD_SUPPORT
dnl ################################################################
dnl Check for libraries
dnl ################################################################
# system libffi
AC_ARG_WITH([system-libffi],
[AS_HELP_STRING([--with-system-libffi],
[Use system provided libffi for RTS [default=no]])
])
AS_IF([test "x$with_system_libffi" = "xyes"],
[UseSystemLibFFI="YES"], [UseSystemLibFFI="NO"]
)
AC_SUBST(UseSystemLibFFI)
AC_ARG_WITH([ffi-includes],
[AS_HELP_STRING([--with-ffi-includes=ARG],
[Find includes for libffi in ARG [default=system default]])
],
[
if test "x$UseSystemLibFFI" != "xYES"; then
AC_MSG_WARN([--with-ffi-includes will be ignored, --with-system-libffi not set])
else
FFIIncludeDir="$withval"
LIBFFI_CFLAGS="-I$withval"
fi
])
AC_SUBST(FFIIncludeDir)
AC_ARG_WITH([ffi-libraries],
[AS_HELP_STRING([--with-ffi-libraries=ARG],
[Find libffi in ARG [default=system default]])
],
[
if test "x$UseSystemLibFFI" != "xYES"; then
AC_MSG_WARN([--with-ffi-libraries will be ignored, --with-system-libffi not set])
else
FFILibDir="$withval" LIBFFI_LDFLAGS="-L$withval"
fi
])
AC_SUBST(FFILibDir)
AC_SUBST([CabalHaveLibffi],[False])
AS_IF([test "$UseSystemLibFFI" = "YES"], [
CFLAGS2="$CFLAGS"
CFLAGS="$LIBFFI_CFLAGS $CFLAGS"
LDFLAGS2="$LDFLAGS"
LDFLAGS="$LIBFFI_LDFLAGS $LDFLAGS"
if test "$HostOS" = "openbsd";
then
# OpenBSD's libffi is not directly linked to the libpthread but
# still requires pthread functionality. This means that any client # binary which links with libffi also needs to link with
# libpthread. If it does not, then linking fails with unresolved
# symbols.
LDFLAGS="$LDFLAGS -lpthread"
fi
AC_CHECK_LIB(ffi, ffi_call,
[AC_CHECK_HEADERS([ffi.h], [break], [])
AC_DEFINE([HAVE_LIBFFI], [1], [Define to 1 if you have libffi.])]
AC_SUBST([CabalHaveLibffi],[True]),
[AC_MSG_ERROR([Cannot find system libffi])])
CFLAGS="$CFLAGS2"
LDFLAGS="$LDFLAGS2"
])
dnl ** check whether we need -ldl to get dlopen()
AC_CHECK_LIB([dl], [dlopen])
AC_CHECK_LIB([dl], [dlopen], [AC_SUBST([CabalHaveLibdl], [True])], [AC_SUBST([CabalHaveLibdl], [False])])
dnl ** check whether we have dlinfo
AC_CHECK_FUNCS([dlinfo])
dnl --------------------------------------------------
dnl * Miscellaneous feature tests
dnl --------------------------------------------------
dnl ** can we get alloca?
AC_FUNC_ALLOCA
dnl ** working vfork?
AC_FUNC_FORK
dnl ** determine whether or not const works
AC_C_CONST
dnl ** are we big endian?
AC_C_BIGENDIAN
FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
dnl ** check for leading underscores in symbol names
FP_LEADING_UNDERSCORE
FP_VISIBILITY_HIDDEN
dnl ** check for librt
AC_CHECK_LIB([rt], [clock_gettime])
AC_CHECK_LIB([rt], [clock_gettime], [AC_SUBST([CabalHaveLibrt], [True])], [AC_SUBST([CabalHaveLibrt], [False])])
AC_CHECK_FUNCS(clock_gettime timer_settime)
FP_CHECK_TIMER_CREATE
dnl ** check for Apple's "interesting" long double compatibility scheme
AC_MSG_CHECKING(for printf\$LDBLStub)
AC_LINK_IFELSE([AC_LANG_CALL([], [printf\$LDBLStub])],
[
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
[Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
],
[
AC_MSG_RESULT(no)
AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
[Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
])
dnl Some platforms (e.g. Android's Bionic) have pthreads support available
dnl without linking against libpthread. Check whether -lpthread is necessary
dnl to use pthreads.
dnl
dnl Note that it is important that this happens before we AC_CHECK_LIB(thread)
AC_MSG_CHECKING(whether -lpthread is needed for pthreads)
AC_CHECK_FUNC(pthread_create,
[ AC_MSG_RESULT(no)
AC_SUBST([CabalNeedLibpthread],[False])
need_lpthread=0
],
[
AC_CHECK_LIB(pthread, pthread_create,
[
AC_MSG_RESULT(yes)
AC_SUBST([CabalNeedLibpthread],[True])
need_lpthread=1
],
[
AC_SUBST([CabalNeedLibpthread],[False])
AC_MSG_RESULT([no pthreads support found.])
need_lpthread=0
])
])
AC_DEFINE_UNQUOTED([NEED_PTHREAD_LIB], [$need_lpthread],
[Define 1 if we need to link code using pthreads with -lpthread])
dnl ** pthread_setname_np is a recent addition to glibc, and OS X has
dnl a different single-argument version.
AC_CHECK_LIB(pthread, pthread_setname_np)
AC_MSG_CHECKING(for pthread_setname_np)
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[
#define _GNU_SOURCE
#include <pthread.h>
]],
[[pthread_setname_np(pthread_self(), "name");]])],
AC_MSG_RESULT(yes)
AC_DEFINE([HAVE_PTHREAD_SETNAME_NP], [1],
[Define to 1 if you have the glibc version of pthread_setname_np]),
AC_MSG_RESULT(no)
)
dnl ** check for eventfd which is needed by the I/O manager
AC_CHECK_HEADERS([sys/eventfd.h])
AC_CHECK_FUNCS([eventfd])
dnl ** Check for __thread support in the compiler
AC_MSG_CHECKING(for __thread support)
AC_COMPILE_IFELSE(
[ AC_LANG_SOURCE([[__thread int tester = 0;]]) ],
[
AC_MSG_RESULT(yes)
AC_DEFINE([CC_SUPPORTS_TLS],[1],[Define to 1 if __thread is supported])
],
[
AC_MSG_RESULT(no)
AC_DEFINE([CC_SUPPORTS_TLS],[0],[Define to 1 if __thread is supported])
])
dnl large address space support (see includes/rts/storage/MBlock.h)
dnl
dnl Darwin has vm_allocate/vm_protect
dnl Linux has mmap(MAP_NORESERVE)/madv(MADV_DONTNEED)
dnl FreeBSD, Solaris and maybe other have MAP_NORESERVE/MADV_FREE
dnl (They also have MADV_DONTNEED, but it means something else!)
dnl
dnl Windows has VirtualAlloc MEM_RESERVE/MEM_COMMIT, however
dnl it counts page-table space as committed memory, and so quickly
dnl runs out of paging file when we have multiple processes reserving
dnl 1TB of address space, we get the following error:
dnl VirtualAlloc MEM_RESERVE 1099512676352 bytes failed: The paging file is too small for this operation to complete.
dnl
AC_ARG_ENABLE(large-address-space,
[AS_HELP_STRING([--enable-large-address-space],
[Use a single large address space on 64 bit systems (enabled by default on 64 bit platforms)])], EnableLargeAddressSpace=$enableval,
EnableLargeAddressSpace=yes
)
use_large_address_space=no
if test "$ac_cv_sizeof_void_p" -eq 8 ; then
if test "x$EnableLargeAddressSpace" = "xyes" ; then
if test "$ghc_host_os" = "darwin" ; then
use_large_address_space=yes
elif test "$ghc_host_os" = "openbsd" ; then
# as of OpenBSD 5.8 (2015), OpenBSD does not support mmap with MAP_NORESERVE.
# The flag MAP_NORESERVE is supported for source compatibility reasons,
# but is completely ignored by OS mmap
use_large_address_space=no
elif test "$ghc_host_os" = "mingw32" ; then
# as of Windows 8.1/Server 2012 windows does no longer allocate the page
# tabe for reserved memory eagerly. So we are now free to use LAS there too.
use_large_address_space=yes
else
AC_CHECK_DECLS([MAP_NORESERVE, MADV_FREE, MADV_DONTNEED],[],[],
[
#include <unistd.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <fcntl.h>
])
if test "$ac_cv_have_decl_MAP_NORESERVE" = "yes" &&
test "$ac_cv_have_decl_MADV_FREE" = "yes" ||
test "$ac_cv_have_decl_MADV_DONTNEED" = "yes" ; then
use_large_address_space=yes
fi
fi
fi
fi
if test "$use_large_address_space" = "yes" ; then
AC_DEFINE([USE_LARGE_ADDRESS_SPACE], [1], [Enable single heap address space support])
fi
dnl ** Use MMAP in the runtime linker?
dnl --------------------------------------------------------------
case ${TargetOS} in
linux|linux-android|freebsd|dragonfly|netbsd|openbsd|kfreebsdgnu|gnu|solaris2)
RtsLinkerUseMmap=1
;;
darwin|ios|watchos|tvos)
RtsLinkerUseMmap=1
;;
*)
# Windows (which doesn't have mmap) and everything else.
RtsLinkerUseMmap=0
;;
esac
AC_DEFINE_UNQUOTED([RTS_LINKER_USE_MMAP], [$RtsLinkerUseMmap],
[Use mmap in the runtime linker])
dnl ** Have libdw?
dnl --------------------------------------------------------------
AC_ARG_WITH([libdw-libraries],
[AS_HELP_STRING([--with-libdw-libraries=ARG],
[Find libraries for libdw in ARG [default=system default]])
],
[
LibdwLibDir="$withval"
LIBDW_LDFLAGS="-L$withval"
])
AC_SUBST(LibdwLibDir)
AC_ARG_WITH([libdw-includes],
[AS_HELP_STRING([--with-libdw-includes=ARG],
[Find includes for libdw in ARG [default=system default]])
],
[
LibdwIncludeDir="$withval"
LIBDW_CFLAGS="-I$withval"
])
AC_SUBST(LibdwIncludeDir)
UseLibdw=NO
USE_LIBDW=0
AC_ARG_ENABLE(dwarf-unwind,
[AS_HELP_STRING([--enable-dwarf-unwind],
[Enable DWARF unwinding support in the runtime system via elfutils' libdw [default=no]])])
if test "$enable_dwarf_unwind" = "yes" ; then
CFLAGS2="$CFLAGS"
CFLAGS="$LIBDW_CFLAGS $CFLAGS"
LDFLAGS2="$LDFLAGS"
LDFLAGS="$LIBDW_LDFLAGS $LDFLAGS"
AC_CHECK_LIB(dw, dwfl_attach_state,
[AC_CHECK_HEADERS([elfutils/libdw.h], [break], [])
UseLibdw=YES],
[AC_MSG_ERROR([Cannot find system libdw (required by --enable-dwarf-unwind)])])
CFLAGS="$CFLAGS2"
LDFLAGS="$LDFLAGS2"
fi
AC_SUBST(UseLibdw)
if test $UseLibdw = "YES" ; then
USE_LIBDW=1
AC_SUBST([CabalHaveLibdw],[True])
else
AC_SUBST([CabalHaveLibdw],[False])
fi
AC_DEFINE_UNQUOTED([USE_LIBDW], [$USE_LIBDW], [Set to 1 to use libdw])
dnl ** Have libnuma?
dnl --------------------------------------------------------------
AC_ARG_WITH([libnuma-libraries],
[AS_HELP_STRING([--with-libnuma-libraries=ARG],
[Find libraries for libnuma in ARG [default=system default]])
],
[
LibNumaLibDir="$withval"
LIBNUMA_LDFLAGS="-L$withval"
])
AC_SUBST(LibNumaLibDir)
AC_ARG_WITH([libnuma-includes],
[AS_HELP_STRING([--with-libnuma-includes=ARG],
[Find includes for libnuma in ARG [default=system default]])
],
[
LibNumaIncludeDir="$withval"
LIBNUMA_CFLAGS="-I$withval"
])
AC_SUBST(LibNumaIncludeDir)
HaveLibNuma=0
AC_ARG_ENABLE(numa,
[AS_HELP_STRING([--enable-numa],
[Enable NUMA memory policy and thread affinity support in the
runtime system via numactl's libnuma [default=auto]])])
if test "$enable_numa" != "no" ; then
CFLAGS2="$CFLAGS"
CFLAGS="$LIBNUMA_CFLAGS $CFLAGS"
LDFLAGS2="$LDFLAGS"
LDFLAGS="$LIBNUMA_LDFLAGS $LDFLAGS"
AC_CHECK_HEADERS([numa.h numaif.h])
if test "$ac_cv_header_numa_h$ac_cv_header_numaif_h" = "yesyes" ; then
AC_CHECK_LIB(numa, numa_available,HaveLibNuma=1)
fi
if test "$enable_numa:$HaveLibNuma" = "yes:0" ; then
AC_MSG_ERROR([Cannot find system libnuma (required by --enable-numa)])]
fi
CFLAGS="$CFLAGS2"
LDFLAGS="$LDFLAGS2"
fi
AC_DEFINE_UNQUOTED([HAVE_LIBNUMA], [$HaveLibNuma], [Define to 1 if you have libnuma])
if test $HaveLibNuma = "1" ; then
AC_SUBST([UseLibNuma],[YES])
AC_SUBST([CabalHaveLibNuma],[True])
else
AC_SUBST([UseLibNuma],[NO])
AC_SUBST([CabalHaveLibNuma],[False])
fi
dnl ** Documentation
dnl --------------------------------------------------------------
if test -n "$SPHINXBUILD"; then
BUILD_MAN=YES
BUILD_SPHINX_HTML=YES
if test -n "$XELATEX" -a -n "$MAKEINDEX"; then
BUILD_SPHINX_PDF=YES
else
BUILD_SPHINX_PDF=NO
fi
if test -n "$MAKEINFO"; then
BUILD_SPHINX_INFO=YES
else
BUILD_SPHINX_INFO=NO
fi
else
BUILD_MAN=NO
BUILD_SPHINX_HTML=NO
BUILD_SPHINX_PDF=NO
BUILD_SPHINX_INFO=NO
fi
AC_SUBST(BUILD_MAN)
AC_SUBST(BUILD_SPHINX_HTML)
AC_SUBST(BUILD_SPHINX_PDF)
dnl ** Determine library versions
dnl The packages below should include all packages needed by
dnl doc/users_guide/ghc_config.py.in.
LIBRARY_VERSION(base)
LIBRARY_VERSION(Cabal, Cabal/Cabal/Cabal.cabal)
dnl template-haskell.cabal is generated later
dnl but the .in file already has the version
LIBRARY_VERSION(template-haskell, template-haskell/template-haskell.cabal.in)
LIBRARY_VERSION(array)
LIBRARY_VERSION(ghc-prim)
LIBRARY_VERSION(ghc-compact)
LIBRARY_ghc_VERSION="$ProjectVersion"
AC_SUBST(LIBRARY_ghc_VERSION)
if grep ' ' compiler/ghc.cabal.in 2>&1 >/dev/null; then
AC_MSG_ERROR([compiler/ghc.cabal.in contains tab characters; please remove them])
fi
# Create the configuration for the Hadrian build system if it is present
if test -e hadrian/cfg/system.config.in; then
AC_CONFIG_FILES([hadrian/cfg/system.config])
AC_CONFIG_FILES([hadrian/ghci-cabal hadrian/ghci-stack])
fi
# We got caught by
# http://savannah.gnu.org/bugs/index.php?1516
# $(eval ...) inside conditionals causes errors
# with make 3.80, so warn the user if it looks like they're about to
# try to use it.
# We would use "grep -q" here, but Solaris's grep doesn't support it.
print_make_warning=""
checkMake380() {
make_ver=`$1 --version 2>&1 | head -1`
if echo "$make_ver" | grep 'GNU Make 3\.80' > /dev/null
then
print_make_warning="true"
fi
if echo "$make_ver" | grep 'GNU Make' > /dev/null
then
MakeCmd=$1
AC_SUBST(MakeCmd)
fi
}
checkMake380 make
checkMake380 gmake
dnl Things specific to the make build system
AC_CONFIG_FILES(
[ mk/config.mk
mk/install.mk
mk/project.mk
])
dnl When adding things to this list be sure to update hadrian's
dnl Rules.Configure.configureResults list.
AC_CONFIG_FILES(
[ rts/rts.cabal
compiler/ghc.cabal
ghc/ghc-bin.cabal
utils/runghc/runghc.cabal
driver/ghci/ghci-wrapper.cabal
utils/iserv/iserv.cabal
utils/iserv-proxy/iserv-proxy.cabal
utils/remote-iserv/remote-iserv.cabal
utils/gen-dll/gen-dll.cabal
libraries/ghc-boot/ghc-boot.cabal
libraries/ghc-boot-th/ghc-boot-th.cabal
libraries/ghci/ghci.cabal
libraries/ghc-heap/ghc-heap.cabal
libraries/libiserv/libiserv.cabal
libraries/template-haskell/template-haskell.cabal
docs/users_guide/ghc_config.py
docs/index.html
libraries/prologue.txt
distrib/configure.ac
])
AC_OUTPUT
[
if test "$print_make_warning" = "true"; then
echo
echo "WARNING: It looks like \"$MakeCmd\" is GNU make 3.80."
echo "This version cannot be used to build GHC."
echo "Please use GNU make >= 3.81."
fi
echo "
----------------------------------------------------------------------
Configure completed successfully.
Building GHC version : $ProjectVersion
Git commit id : $ProjectGitCommitId
Build platform : $BuildPlatform
Host platform : $HostPlatform
Target platform : $TargetPlatform
"
echo "\
Bootstrapping using : $WithGhc
which is version : $GhcVersion
with threaded RTS? : $GhcThreadedRts
"
if test "x$CcLlvmBackend" = "xYES"; then
CompilerName="clang "
else
CompilerName="gcc "
fi
echo "\
Using (for bootstrapping) : $CC_STAGE0
Using $CompilerName : $CC
which is version : $GccVersion
linker options : $GccUseLdOpt
Building a cross compiler : $CrossCompiling
Unregisterised : $Unregisterised
TablesNextToCode : $TablesNextToCode
Build GMP in tree : $GMP_FORCE_INTREE
hs-cpp : $HaskellCPPCmd
hs-cpp-flags : $HaskellCPPArgs
ar : $ArCmd
ld : $LdCmd
nm : $NmCmd
libtool : $LibtoolCmd
objdump : $ObjdumpCmd
ranlib : $RanlibCmd
otool : $OtoolCmd
install_name_tool : $InstallNameToolCmd
windres : $WindresCmd
dllwrap : $DllWrapCmd
genlib : $GenlibCmd
Happy : $HappyCmd ($HappyVersion)
Alex : $AlexCmd ($AlexVersion)
sphinx-build : $SPHINXBUILD
xelatex : $XELATEX
makeinfo : $MAKEINFO
Using LLVM tools
clang : $ClangCmd
llc : $LlcCmd
opt : $OptCmd"
if test "$HSCOLOUR" = ""; then
echo "
HsColour was not found; documentation will not contain source links
"
else
echo "\
HsColour : $HSCOLOUR
"
fi
echo "\
Tools to build Sphinx HTML documentation available: $BUILD_SPHINX_HTML
Tools to build Sphinx PDF documentation available: $BUILD_SPHINX_PDF Tools to build Sphinx INFO documentation available: $BUILD_SPHINX_INFO"
echo "----------------------------------------------------------------------
"
echo "\
For a standard build of GHC (fully optimised with profiling), type (g)make.
To make changes to the default build configuration, copy the file
mk/build.mk.sample to mk/build.mk, and edit the settings in there.
For more information on how to configure your GHC build, see
https://gitlab.haskell.org/ghc/ghc/wikis/building
"]