14 echo "configure: WARNING: $1"
18 echo "configure: error: $1"
30 if which $1 >/dev/null 2>&1
47 msg "leaving $2 unchanged"
51 chmod u-w $2 # make copied artifact read-only
58 msg "leaving $2 unchanged"
62 chmod u-w $2 # make moved artifact read-only
72 printf "configure: %-20s := %.35s ...\n" $1 "$T"
74 printf "configure: %-20s := %s %s\n" $1 "$T" "$2"
76 printf "%-20s := %s\n" $1 "$T" >>config.tmp
89 VER0=$($P --version 2>/dev/null | head -1 \
90 | sed -e 's/[^0-9]*\([vV]\?[0-9.]\+[^ ]*\).*/\1/' )
91 if [ $? -eq 0 -a "x${VER0}" != "x" ]
113 err "needed, but unable to find any of: $*"
118 for arg in $CFG_CONFIGURE_ARGS
121 for option in $BOOL_OPTIONS
123 if test --disable-$option = $arg
127 if test --enable-$option = $arg
132 for option in $VAL_OPTIONS
134 if echo "$arg" | grep -q -- "--$option="
139 if [ "$arg" = "--help" ]
142 echo "No more help available for Configure options,"
143 echo "check the Wiki or join our IRC channel"
146 if test $isArgValid -eq 0
148 err "Option '$arg' is not recognized"
155 VAL_OPTIONS="$VAL_OPTIONS $1"
164 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
167 for arg in $CFG_CONFIGURE_ARGS
169 if echo "$arg" | grep -q -- "--$OP="
171 val=$(echo "$arg" | cut -f2 -d=)
181 OP="${OP}=[${DEFAULT}]"
182 printf " --%-30s %s\n" "$OP" "$DOC"
187 BOOL_OPTIONS="$BOOL_OPTIONS $1"
196 if [ $DEFAULT -eq 0 ]
206 for arg in $CFG_CONFIGURE_ARGS
208 if [ "$arg" = "--${FLAG}-${OP}" ]
210 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
211 FLAG=$(echo $FLAG | tr 'a-z' 'A-Z')
212 local V="CFG_${FLAG}_${OP}"
222 printf " --%-30s %s\n" "$FLAG-$OP" "$DOC"
226 msg "looking for configure programs"
242 msg "inspecting environment"
244 CFG_OSTYPE=$(uname -s)
245 CFG_CPUTYPE=$(uname -m)
247 if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
249 # Darwin's `uname -s` lies and always returns i386. We have to use sysctl
251 if sysctl hw.optional.x86_64 | grep -q ': 1'
257 # The goal here is to come up with the same triple as LLVM would,
258 # at least for the subset of platforms we're willing to target.
263 CFG_OSTYPE=unknown-linux-gnu
267 CFG_OSTYPE=unknown-freebsd
271 CFG_OSTYPE=apple-darwin
275 CFG_OSTYPE=pc-mingw32
277 # Thad's Cygwin identifers below
281 CFG_OSTYPE=pc-mingw32
287 CFG_OSTYPE=w64-mingw32
293 CFG_OSTYPE=pc-mingw32
299 CFG_OSTYPE=w64-mingw32
303 # We do not detect other OS such as XP/2003 using 64 bit using uname.
304 # If we want to in the future, we will need to use Cygwin - Chuck's csih helper in /usr/lib/csih/winProductName.exe or alternative.
306 err "unknown OS type: $CFG_OSTYPE"
313 i386 | i486 | i686 | i786 | x86)
321 x86_64 | x86-64 | x64 | amd64)
326 err "unknown CPU type: $CFG_CPUTYPE"
329 # Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
330 if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
332 file -L "$SHELL" | grep -q "x86[_-]64"
339 DEFAULT_BUILD_TRIPLE="${CFG_CPUTYPE}-${CFG_OSTYPE}"
341 CFG_SRC_DIR="$(cd $(dirname $0) && pwd)/"
342 CFG_BUILD_DIR="$(pwd)/"
343 CFG_SELF=${CFG_SRC_DIR}$(basename $0)
344 CFG_CONFIGURE_ARGS="$@"
348 if [ "$1" = "--help" ]
353 echo "Usage: $CFG_SELF [options]"
358 msg "recreating config.tmp"
361 step_msg "processing $CFG_SELF args"
367 opt sharedstd 1 "build libstd as a shared library"
368 opt valgrind 0 "run tests with valgrind (memcheck by default)"
369 opt helgrind 0 "run tests with helgrind instead of memcheck"
370 opt docs 1 "build documentation"
371 opt optimize 1 "build optimized rust code"
372 opt optimize-cxx 1 "build optimized C++ code"
373 opt optimize-llvm 1 "build optimized LLVM"
374 opt llvm-assertions 1 "build LLVM with assertions"
375 opt debug 0 "build with extra debug fun"
376 opt ratchet-bench 0 "ratchet benchmarks"
377 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
378 opt manage-submodules 1 "let the build manage the git submodules"
379 opt mingw-cross 0 "cross-compile for win32 using mingw"
380 opt clang 0 "prefer clang to gcc for building the runtime"
381 opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
382 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
383 opt pax-flags 0 "apply PaX flags to rustc binaries (required for GRSecurity/PaX-patched kernels)"
384 valopt prefix "/usr/local" "set installation prefix"
385 valopt local-rust-root "/usr/local" "set prefix for local rust binary"
386 valopt llvm-root "" "set LLVM root"
387 valopt build-triple "${DEFAULT_BUILD_TRIPLE}" "LLVM build triple"
388 valopt host-triples "${CFG_BUILD_TRIPLE}" "LLVM host triples"
389 valopt target-triples "${CFG_HOST_TRIPLES}" "LLVM target triples"
390 valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path"
391 valopt mingw32-cross-path "" "MinGW32 cross compiler path"
394 step_msg "validating $CFG_SELF args"
404 step_msg "looking for build programs"
406 probe_need CFG_PERL perl
407 probe_need CFG_CURLORWGET curl wget
408 probe_need CFG_PYTHON python2.7 python2.6 python2 python
410 python_version=$($CFG_PYTHON -V 2>&1)
411 if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then
412 err "Found $python_version, but LLVM requires Python 2.4-2.7"
415 # If we have no git directory then we are probably a tarball distribution
416 # and shouldn't attempt to load submodules
417 if [ ! -e ${CFG_SRC_DIR}.git ]
420 msg "git: no git directory. disabling submodules"
421 CFG_DISABLE_MANAGE_SUBMODULES=1
423 probe_need CFG_GIT git
426 probe CFG_CLANG clang++
427 probe CFG_CCACHE ccache
430 probe CFG_VALGRIND valgrind
433 probe CFG_LLNEXTGEN LLnextgen
434 probe CFG_PANDOC pandoc
435 probe CFG_PDFLATEX pdflatex
436 probe CFG_XETEX xetex
437 probe CFG_LUATEX luatex
438 probe CFG_NODE nodejs node
440 if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ]
442 probe CFG_PAXCTL paxctl /sbin/paxctl
446 step_msg "looking for target specific programs"
450 if [ ! -z "$CFG_PANDOC" ]
452 PV_MAJOR_MINOR=$(pandoc --version | grep '^pandoc ' |
453 # extract the first 2 version fields, ignore everything else
454 sed 's/pandoc \([0-9]*\)\.\([0-9]*\).*/\1 \2/')
456 # these patterns are shell globs, *not* regexps
457 PV_MAJOR=${PV_MAJOR_MINOR% *}
458 PV_MINOR=${PV_MAJOR_MINOR#* }
459 if [ "$PV_MAJOR" -lt "1" ] || [ "$PV_MINOR" -lt "8" ]
461 step_msg "pandoc $PV_MAJOR.$PV_MINOR is too old. disabling"
466 if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ]
468 if [ ! -z "$CFG_ENABLE_PAX_FLAGS" -a -z "$CFG_PAXCTL" ]
470 err "enabled PaX markings but no paxctl binary found"
473 if [ -z "$CFG_DISABLE_PAX_FLAGS" ]
475 # GRSecurity/PaX detection. This can be very flaky.
478 # /dev/grsec only exists if CONFIG_GRKERNSEC_NO_RBAC is not set.
479 # /proc/sys/kernel/grsecurity is not available if ÇONFIG_GRKERNSEC_SYSCTL is not set.
480 if [ -e /dev/grsec -o -d /proc/sys/kernel/grsecurity ]
483 # /proc/config.gz is normally only available to root, and only if CONFIG_IKCONFIG_PROC has been set.
484 elif [ -r /proc/config.gz -a ! -z "$CFG_ZCAT" ]
486 if "$CFG_ZCAT" /proc/config.gz | grep --quiet "CONFIG_GRKERNSEC=y"
491 elif grep --quiet grsec /proc/version
496 if [ ! -z "$GRSEC_DETECTED" ]
498 step_msg "GRSecurity: yes"
499 if [ ! -z "$CFG_PAXCTL" ]
501 CFG_ENABLE_PAX_FLAGS=1
503 warn "GRSecurity kernel detected but no paxctl binary found: not setting CFG_ENABLE_PAX_FLAGS"
506 step_msg "GRSecurity: no"
511 if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ]
513 if [ ! -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc ]
515 err "no local rust to use"
517 LRV=`${CFG_LOCAL_RUST_ROOT}/bin/rustc --version`
518 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: " $LRV
522 # Force freebsd to build with clang; gcc doesn't like us there
523 if [ $CFG_OSTYPE = unknown-freebsd ]
525 step_msg "on FreeBSD, forcing use of clang"
527 putvar CFG_ENABLE_CLANG
531 if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
533 err "either clang or gcc is required"
536 if [ ! -z "$CFG_LLVM_ROOT" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
538 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
540 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
541 LLVM_VERSION=$($LLVM_CONFIG --version)
543 case $LLVM_VERSION in
544 (3.3|3.3svn|3.2|3.2svn)
545 msg "found ok version of LLVM: $LLVM_VERSION"
548 err "bad LLVM version: $LLVM_VERSION, need >=3.0svn"
553 if [ ! -z "$CFG_ENABLE_CLANG" ]
555 if [ -z "$CFG_CLANG" ]
557 err "clang requested but not found"
559 CFG_CLANG_VERSION=$("$CFG_CLANG" \
562 | sed 's/.*\(version .*\)/\1/; s/.*based on \(LLVM .*\))/\1/' \
565 case $CFG_CLANG_VERSION in
566 (3.0svn | 3.0 | 3.1* | 3.2* | 3.3* | 3.4* )
567 step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
568 CFG_C_COMPILER="clang"
571 err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
578 if [ ! -z "$CFG_ENABLE_CCACHE" ]
580 if [ -z "$CFG_CCACHE" ]
582 err "ccache requested but not found"
585 CFG_C_COMPILER="ccache $CFG_C_COMPILER"
588 # a little post-processing of various config values
590 CFG_PREFIX=${CFG_PREFIX%/}
591 CFG_HOST_TRIPLES="$(echo $CFG_HOST_TRIPLES | tr ',' ' ')"
592 CFG_TARGET_TRIPLES="$(echo $CFG_TARGET_TRIPLES | tr ',' ' ')"
593 CFG_SUPPORTED_TARGET_TRIPLES="$(grep ^CC_*=* $CFG_SRC_DIR/mk/platform.mk | sed -e 's/^CC_//' -e 's/\([^=]*\).*/\1/' | xargs)"
595 # copy host-triples to target-triples so that hosts are a subset of targets
597 for i in $CFG_HOST_TRIPLES $CFG_TARGET_TRIPLES;
599 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
601 CFG_TARGET_TRIPLES=$V_TEMP
603 # check target-specific tool-chains
604 for i in $CFG_TARGET_TRIPLES
607 for j in $CFG_SUPPORTED_TARGET_TRIPLES
615 if [ $L_CHECK = false ]
617 err "unsupported target triples \"$i\" found"
621 arm-linux-androideabi)
623 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc ]
625 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc not found"
627 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ ]
629 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ not found"
631 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar ]
633 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar not found"
642 if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
644 err "either clang or gcc is required"
647 if [ ! -z "$CFG_PERF" ]
649 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
650 if [ -z "$HAVE_PERF_LOGFD" ];
652 CFG_PERF_WITH_LOGFD=1
653 putvar CFG_PERF_WITH_LOGFD
657 step_msg "making directories"
660 doc doc/std doc/extra \
667 for t in $CFG_HOST_TRIPLES
673 for t in $CFG_HOST_TRIPLES
679 for t in $CFG_TARGET_TRIPLES
684 make_dir rt/$t/stage$s
686 isaac linenoise sync test \
687 arch/i386 arch/x86_64 arch/arm arch/mips \
688 libuv libuv/src/ares libuv/src/eio libuv/src/ev \
691 make_dir rt/$t/stage$s/$i
696 # On windows we just store the libraries in the bin directory because
698 # FIXME: Thise needs to parameterized over target triples. Do it in platform.mk
700 if [ "$CFG_OSTYPE" = "pc-mingw32" ]
705 for h in $CFG_HOST_TRIPLES
707 for t in $CFG_TARGET_TRIPLES
712 make_dir $h/stage$i/bin
715 make_dir $h/stage$i/$CFG_LIBDIR
718 make_dir $h/stage$i/test
721 make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/bin
724 make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/$CFG_LIBDIR
728 make_dir $h/test/run-pass
729 make_dir $h/test/run-pass-fulldeps
730 make_dir $h/test/run-fail
731 make_dir $h/test/compile-fail
732 make_dir $h/test/bench
733 make_dir $h/test/perf
734 make_dir $h/test/pretty
735 make_dir $h/test/debug-info
736 make_dir $h/test/codegen
737 make_dir $h/test/doc-tutorial
738 make_dir $h/test/doc-tutorial-ffi
739 make_dir $h/test/doc-tutorial-macros
740 make_dir $h/test/doc-tutorial-borrowed-ptr
741 make_dir $h/test/doc-tutorial-tasks
742 make_dir $h/test/doc-rust
745 # Configure submodules
746 step_msg "configuring submodules"
748 # Have to be in the top of src directory for this
749 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ]
753 msg "git: submodule sync"
754 "${CFG_GIT}" submodule sync
756 msg "git: submodule update"
757 "${CFG_GIT}" submodule update --init
760 msg "git: submodule foreach sync"
761 "${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
764 msg "git: submodule foreach update"
765 "${CFG_GIT}" submodule update --init --recursive
768 # NB: this is just for the sake of getting the submodule SHA1 values
769 # and status written into the build log.
770 msg "git: submodule status"
771 "${CFG_GIT}" submodule status --recursive
773 msg "git: submodule clobber"
774 "${CFG_GIT}" submodule foreach --recursive git clean -dxf
776 "${CFG_GIT}" submodule foreach --recursive git checkout .
782 # Configure llvm, only if necessary
783 step_msg "looking at LLVM"
784 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
785 for t in $CFG_HOST_TRIPLES
789 if [ -z $CFG_LLVM_ROOT ]
791 LLVM_BUILD_DIR=${CFG_BUILD_DIR}llvm/$t
792 if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
794 LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
795 # Just use LLVM straight from its build directory to
796 # avoid 'make install' time
797 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
799 LLVM_DBG_OPTS="--enable-optimized"
800 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
802 if [ ! -z "$CFG_DISABLE_LLVM_ASSERTIONS" ]
804 LLVM_ASSERTION_OPTS="--disable-assertions"
806 LLVM_ASSERTION_OPTS="--enable-assertions"
807 LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts
810 msg "not reconfiguring LLVM, external LLVM root"
811 # The user is using their own LLVM
813 LLVM_INST_DIR=$CFG_LLVM_ROOT
818 if [ ${do_reconfigure} -ne 0 ]
820 # because git is hilarious, it might have put the module index
821 # in a couple places.
822 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
823 index2="${CFG_SRC_DIR}src/llvm/.git/index"
824 for index in ${index1} ${index2}
826 config_status="${CFG_BUILD_DIR}llvm/$t/config.status"
827 if test -e ${index} -a \
828 -e ${config_status} -a \
829 ${config_status} -nt ${index}
831 msg "not reconfiguring LLVM, config.status is fresh"
837 if [ ${do_reconfigure} -ne 0 ]
839 msg "configuring LLVM for $t"
841 LLVM_TARGETS="--enable-targets=x86,x86_64,arm,mips"
842 LLVM_BUILD="--build=$t"
843 LLVM_HOST="--host=$t"
844 LLVM_TARGET="--target=$t"
846 # Disable unused LLVM features
847 LLVM_OPTS="$LLVM_DBG_OPTS $LLVM_ASSERTION_OPTS --disable-docs --enable-bindings=none"
849 case "$CFG_C_COMPILER" in
851 LLVM_CXX_32="ccache clang++ -m32 -Qunused-arguments"
852 LLVM_CC_32="ccache clang -m32 -Qunused-arguments"
854 LLVM_CXX_64="ccache clang++ -Qunused-arguments"
855 LLVM_CC_64="ccache clang -Qunused-arguments"
858 LLVM_CXX_32="clang++ -m32"
859 LLVM_CC_32="clang -m32"
861 LLVM_CXX_64="clang++"
865 LLVM_CXX_32="ccache g++ -m32"
866 LLVM_CC_32="ccache gcc -m32"
868 LLVM_CXX_64="ccache g++"
869 LLVM_CC_64="ccache gcc"
872 LLVM_CXX_32="g++ -m32"
873 LLVM_CC_32="gcc -m32"
879 LLVM_CFLAGS_32="-m32"
880 LLVM_CXXFLAGS_32="-m32"
881 LLVM_LDFLAGS_32="-m32"
887 if echo $t | grep -q x86_64
889 LLVM_CXX=$LLVM_CXX_64
891 LLVM_CFLAGS=$LLVM_CFLAGS_64
892 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
893 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
895 LLVM_CXX=$LLVM_CXX_32
897 LLVM_CFLAGS=$LLVM_CFLAGS_32
898 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
899 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
905 CXXFLAGS=$LLVM_CXXFLAGS
906 LDFLAGS=$LLVM_LDFLAGS
908 LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
909 $LLVM_HOST $LLVM_TARGET --with-python=$CFG_PYTHON"
911 msg "configuring LLVM with:"
922 /* | [a-z]:* | [A-Z]:*)
923 ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
926 ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
930 need_ok "LLVM configure failed"
935 # Construct variables for LLVM build and install directories for
936 # each target. These will be named
937 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
938 # target_triple will be converted to underscore, because bash
939 # variables can't contain hyphens. The makefile will then have to
941 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
942 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
943 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
944 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
948 step_msg "writing configuration"
954 putvar CFG_CONFIGURE_ARGS
956 putvar CFG_BUILD_TRIPLE
957 putvar CFG_HOST_TRIPLES
958 putvar CFG_TARGET_TRIPLES
959 putvar CFG_C_COMPILER
961 putvar CFG_DISABLE_MANAGE_SUBMODULES
962 putvar CFG_ANDROID_CROSS_PATH
963 putvar CFG_MINGW32_CROSS_PATH
965 if [ ! -z "$CFG_ENABLE_PAX_FLAGS" ]
967 putvar CFG_ENABLE_PAX_FLAGS
971 # Avoid spurious warnings from clang by feeding it original source on
972 # ccache-miss rather than preprocessed input.
973 if [ ! -z "$CFG_ENABLE_CCACHE" ] && [ ! -z "$CFG_ENABLE_CLANG" ]
976 putvar CFG_CCACHE_CPP2
979 if [ ! -z "$CFG_ENABLE_CCACHE" ]
981 CFG_CCACHE_BASEDIR=${CFG_SRC_DIR}
982 putvar CFG_CCACHE_BASEDIR
986 if [ ! -z $BAD_PANDOC ]
992 if head -n 1 ${CFG_SRC_DIR}src/snapshots.txt | grep -q '^T'
995 putvar CFG_IN_TRANSITION
998 # Valgrind is only reliable on Linux. On Windows it doesn't work at all, and
999 # on the Mac the dynamic linker causes Valgrind to emit a huge stream of
1001 if [ $CFG_OSTYPE != unknown-linux-gnu ] && [ $CFG_OSTYPE != apple-darwin ]
1004 putvar CFG_BAD_VALGRIND
1007 putvar CFG_LLVM_ROOT
1008 putvar CFG_LLVM_SRC_DIR
1010 for t in $CFG_HOST_TRIPLES
1012 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1013 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1014 putvar $CFG_LLVM_BUILD_DIR
1015 putvar $CFG_LLVM_INST_DIR
1018 # Munge any paths that appear in config.mk back to posix-y
1019 perl -i.bak -p -e 's@ ([a-zA-Z]):[/\\]@ /\1/@go;' \
1020 -e 's@\\@/@go;' config.tmp
1021 rm -f config.tmp.bak
1024 copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile
1025 move_if_changed config.tmp config.mk