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|
AC_DEFUN([FP_SETUP_WINDOWS_TOOLCHAIN],[
# Find the mingw-w64 archive file to extract.
if test "$HostArch" = "i386"
then
mingw_arch="i686"
tarball_dest_dir="mingw-w64/i686"
tarball_mingw_dir="clang32"
else
mingw_arch="x86_64"
tarball_dest_dir="mingw-w64/x86_64"
tarball_mingw_dir="clang64"
fi
set_up_tarballs() {
AC_MSG_NOTICE([Checking for Windows toolchain tarballs...])
local action
if test "$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/${tarball_mingw_dir}" inplace/mingw &&
touch inplace/mingw
AC_MSG_NOTICE([In-tree MingW-w64 tree created])
fi
}
# See Note [tooldir: How GHC finds mingw on Windows]
test -d inplace || mkdir inplace
# NB. Download and extract the MingW-w64 distribution if required
set_up_tarballs
# N.B. The parameters which get plopped in the `settings` file used by the
# resulting compiler are computed in `FP_SETTINGS`.
# Our Windows toolchain is based around Clang and LLD. We use compiler-rt
# for the runtime, libc++ and libc++abi for the C++ standard library
# implementation, and libunwind for C++ unwinding.
mingwbin="$hardtop/inplace/mingw/bin/"
CC="${mingwbin}clang.exe"
CXX="${mingwbin}clang++.exe"
cflags="--rtlib=compiler-rt"
CFLAGS="$cflags"
CONF_CC_OPTS_STAGE1="$cflags"
CONF_CC_OPTS_STAGE2="$cflags"
cxxflags="--rtlib=compiler-rt --unwindlib=libunwind --stdlib=libc++"
CXXFLAGS="$cxxflags"
CONF_CXX_OPTS_STAGE1="$cxxflags"
CONF_CXX_OPTS_STAGE2="$cxxflags"
CONF_GCC_LINKER_OPTS_STAGE1="-fuse-ld=lld $cflags"
CONF_GCC_LINKER_OPTS_STAGE2="-fuse-ld=lld $cflags"
LD="${mingwbin}ld.lld.exe"
NM="${mingwbin}llvm-nm.exe"
AR="${mingwbin}llvm-ar.exe"
RANLIB="${mingwbin}llvm-ranlib.exe"
OBJDUMP="${mingwbin}llvm-objdump.exe"
DLLTOOL="${mingwbin}llvm-dlltool.exe"
# N.B. LLD does not support -r
MergeObjsCmd=""
MergeObjsArgs=""
AC_PATH_PROG([Genlib],[genlib])
])
|
