14 echo "configure: WARNING: $1"
18 echo "configure: error: $1"
30 if command -v $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
86 T=$(command -v $P 2>&1)
89 VER0=$($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"
228 local V="CFG_${NAME}"
231 # If configure didn't set a value already, then check environment.
233 # (It is recommended that the configure script always check the
234 # environment before setting any values to envopt variables; see
235 # e.g. how CFG_CC is handled, where it first checks `-z "$CC"`,
236 # and issues msg if it ends up employing that provided value.)
243 # If script or environment provided a value, save it.
250 msg "looking for configure programs"
266 msg "inspecting environment"
268 CFG_OSTYPE=$(uname -s)
269 CFG_CPUTYPE=$(uname -m)
271 if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
273 # Darwin's `uname -s` lies and always returns i386. We have to use sysctl
275 if sysctl hw.optional.x86_64 | grep -q ': 1'
281 # The goal here is to come up with the same triple as LLVM would,
282 # at least for the subset of platforms we're willing to target.
287 CFG_OSTYPE=unknown-linux-gnu
291 CFG_OSTYPE=unknown-freebsd
295 CFG_OSTYPE=unknown-dragonfly
299 CFG_OSTYPE=apple-darwin
303 # msys' `uname` does not print gcc configuration, but prints msys
304 # configuration. so we cannot believe `uname -m`:
305 # msys1 is always i686 and msys2 is always x86_64.
306 # instead, msys defines $MSYSTEM which is MINGW32 on i686 and
309 CFG_OSTYPE=w64-mingw32
310 if [ "$MSYSTEM" = MINGW64 ]
313 CFG_OSTYPE=w64-mingw32
317 # Thad's Cygwin identifers below
321 CFG_OSTYPE=pc-mingw32
327 CFG_OSTYPE=w64-mingw32
333 CFG_OSTYPE=pc-mingw32
339 CFG_OSTYPE=w64-mingw32
343 # We do not detect other OS such as XP/2003 using 64 bit using uname.
344 # 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.
346 err "unknown OS type: $CFG_OSTYPE"
353 i386 | i486 | i686 | i786 | x86)
363 CFG_OSTYPE="${CFG_OSTYPE}eabihf"
366 x86_64 | x86-64 | x64 | amd64)
371 err "unknown CPU type: $CFG_CPUTYPE"
374 # Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
375 if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
377 file -L "$SHELL" | grep -q "x86[_-]64"
384 DEFAULT_BUILD="${CFG_CPUTYPE}-${CFG_OSTYPE}"
386 CFG_SRC_DIR="$(cd $(dirname $0) && pwd)/"
387 CFG_BUILD_DIR="$(pwd)/"
389 CFG_CONFIGURE_ARGS="$@"
393 if [ "$1" = "--help" ]
398 echo "Usage: $CFG_SELF [options]"
403 msg "recreating config.tmp"
406 step_msg "processing $CFG_SELF args"
412 opt valgrind 0 "run tests with valgrind (memcheck by default)"
413 opt helgrind 0 "run tests with helgrind instead of memcheck"
414 opt docs 1 "build documentation"
415 opt optimize 1 "build optimized rust code"
416 opt optimize-cxx 1 "build optimized C++ code"
417 opt optimize-llvm 1 "build optimized LLVM"
418 opt optimize-tests 1 "build tests with optimizations"
419 opt libcpp 1 "build with llvm with libc++ instead of libstdc++ when using clang"
420 opt llvm-assertions 1 "build LLVM with assertions"
421 opt debug 1 "build with extra debug fun"
422 opt ratchet-bench 0 "ratchet benchmarks"
423 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
424 opt manage-submodules 1 "let the build manage the git submodules"
425 opt mingw-cross 0 "cross-compile for win32 using mingw"
426 opt clang 0 "prefer clang to gcc for building the runtime"
427 opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
428 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
429 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
430 opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
431 opt rpath 0 "build rpaths into rustc itself"
432 opt nightly 0 "build nightly packages"
433 opt verify-install 1 "verify installed binaries work"
434 opt jemalloc 1 "build liballoc with jemalloc"
435 # This is used by the automation to produce single-target nightlies
436 opt dist-host-only 0 "only install bins for the host architecture"
437 valopt prefix "/usr/local" "set installation prefix"
438 valopt local-rust-root "/usr/local" "set prefix for local rust binary"
439 valopt llvm-root "" "set LLVM root"
440 valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located"
441 valopt libuv-root "" "set directory where libuv.a is located"
442 valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path"
443 valopt mingw32-cross-path "" "MinGW32 cross compiler path"
445 valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
446 valopt host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
447 valopt target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
449 valopt localstatedir "/var/lib" "local state directory"
450 valopt sysconfdir "/etc" "install system configuration files"
452 valopt datadir "${CFG_PREFIX}/share" "install data"
453 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
454 valopt mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
456 valopt release-channel "source" "the name of the release channel to build"
458 # On windows we just store the libraries in the bin directory because
459 # there's no rpath. This is where the build system itself puts libraries;
460 # --libdir is used to configure the installation directory.
461 # FIXME: Thise needs to parameterized over target triples. Do it in platform.mk
462 CFG_LIBDIR_RELATIVE=lib
463 if [ "$CFG_OSTYPE" = "pc-mingw32" ] || [ "$CFG_OSTYPE" = "w64-mingw32" ]
465 CFG_LIBDIR_RELATIVE=bin
468 valopt libdir "${CFG_PREFIX}/${CFG_LIBDIR_RELATIVE}" "install libraries"
477 step_msg "validating $CFG_SELF args"
480 # Validate the release channel
481 case "$CFG_RELEASE_CHANNEL" in
482 (source | nightly | beta | stable)
485 err "release channel must be 'source', 'nightly', 'beta' or 'stable'"
489 # Continue supporting the old --enable-nightly flag to transition the bots
491 if [ $CFG_ENABLE_NIGHTLY -eq 1 ]
493 CFG_RELEASE_CHANNEL=nightly
494 putvar CFG_RELEASE_CHANNEL
497 step_msg "looking for build programs"
499 probe_need CFG_PERL perl
500 probe_need CFG_CURLORWGET curl wget
501 probe_need CFG_PYTHON python2.7 python2.6 python2 python
503 python_version=$($CFG_PYTHON -V 2>&1)
504 if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then
505 err "Found $python_version, but LLVM requires Python 2.4-2.7"
508 # If we have no git directory then we are probably a tarball distribution
509 # and shouldn't attempt to load submodules
510 if [ ! -e ${CFG_SRC_DIR}.git ]
513 msg "git: no git directory. disabling submodules"
514 CFG_DISABLE_MANAGE_SUBMODULES=1
516 probe_need CFG_GIT git
519 probe CFG_CLANG clang++
520 probe CFG_CCACHE ccache
523 probe CFG_VALGRIND valgrind
526 probe CFG_LLNEXTGEN LLnextgen
527 probe CFG_JAVAC javac
528 probe CFG_ANTLR4 antlr4
530 probe CFG_PANDOC pandoc
531 probe CFG_PDFLATEX pdflatex
532 probe CFG_XELATEX xelatex
533 probe CFG_LUALATEX lualatex
537 if [ ! -z "$CFG_GDB" ]
539 # Extract the version
540 CFG_GDB_VERSION=$($CFG_GDB --version 2>/dev/null | head -1)
541 putvar CFG_GDB_VERSION
544 if [ ! -z "$CFG_LLDB" ]
546 # If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
547 # LLDB via the -P commandline options.
548 if [ -z "$CFG_LLDB_PYTHON_DIR" ] || [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
550 CFG_LLDB_PYTHON_DIR=$($CFG_LLDB -P)
552 # If CFG_LLDB_PYTHON_DIR is not a valid directory, set it to something more readable
553 if [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
555 CFG_LLDB_PYTHON_DIR="LLDB_PYTHON_DIRECTORY_NOT_FOUND"
558 putvar CFG_LLDB_PYTHON_DIR
562 step_msg "looking for target specific programs"
566 if [ ! -z "$CFG_PANDOC" ]
568 PV_MAJOR_MINOR=$(pandoc --version | grep '^pandoc ' |
569 # extract the first 2 version fields, ignore everything else
570 sed 's/pandoc \([0-9]*\)\.\([0-9]*\).*/\1 \2/')
574 # these patterns are shell globs, *not* regexps
575 PV_MAJOR=${PV_MAJOR_MINOR% *}
576 PV_MINOR=${PV_MAJOR_MINOR#* }
577 if [ "$PV_MAJOR" -lt "$MIN_PV_MAJOR" ] || [ "$PV_MINOR" -lt "$MIN_PV_MINOR" ]
579 step_msg "pandoc $PV_MAJOR.$PV_MINOR is too old. Need at least $MIN_PV_MAJOR.$MIN_PV_MINOR. Disabling"
585 if [ "$CFG_OSTYPE" = "pc-mingw32" ] || [ "$CFG_OSTYPE" = "w64-mingw32" ]
590 if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ]
592 system_rustc=$(which rustc)
593 if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
595 : # everything already configured
596 elif [ -n "$system_rustc" ]
598 # we assume that rustc is in a /bin directory
599 CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc}
601 err "no local rust to use"
604 LRV=`${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} --version`
605 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
606 putvar CFG_LOCAL_RUST_ROOT
609 # Force freebsd to build with clang; gcc doesn't like us there
610 if [ $CFG_OSTYPE = unknown-freebsd ]
612 step_msg "on FreeBSD, forcing use of clang"
614 putvar CFG_ENABLE_CLANG
617 if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
619 err "either clang or gcc is required"
622 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
623 # system, so if we find that gcc is clang, we should just use clang directly.
624 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
626 CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version")
629 step_msg "on OS X 10.9, forcing use of clang"
631 putvar CFG_ENABLE_CLANG
633 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
634 step_msg "older GCC found, using clang instead"
636 putvar CFG_ENABLE_CLANG
638 # on OS X, with xcode 5 and newer, certain developers may have
639 # cc, gcc and g++ point to a mixture of clang and gcc
640 # if so, this will create very strange build errors
641 # this last stanza is to detect some such problems and save the future rust
642 # contributor some time solving that issue.
643 # this detection could be generalized to other OSes aside from OS X
644 # but the issue seems most likely to happen on OS X
647 $1 --version 2> /dev/null | grep -q $2
649 # check that gcc, cc and g++ all point to the same compiler.
650 # note that for xcode 5, g++ points to clang, not clang++
651 if !((chk_cc gcc clang && chk_cc g++ clang) ||
652 (chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))); then
653 err "the gcc and g++ in your path point to different compilers.
654 Check which versions are in your path with gcc --version and g++ --version.
655 To resolve this problem, either fix your PATH or run configure with --enable-clang"
662 if [ ! -z "$CFG_LLVM_ROOT" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
664 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
666 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
667 LLVM_VERSION=$($LLVM_CONFIG --version)
669 case $LLVM_VERSION in
671 msg "found ok version of LLVM: $LLVM_VERSION"
674 err "bad LLVM version: $LLVM_VERSION, need >=3.0svn"
679 # Even when the user overrides the choice of CC, still try to detect
680 # clang to disable some clang-specific warnings. We here draw a
681 # distinction between:
683 # CFG_ENABLE_CLANG : passed --enable-clang, or host "requires" clang,
684 # CFG_USING_CLANG : compiler (clang / gcc / $CC) looks like clang.
686 # This distinction is important because there are some safeguards we
687 # would prefer to skip when merely CFG_USING_CLANG is set; but when
688 # CFG_ENABLE_CLANG is set, that indicates that we are opting into
689 # running such safeguards.
693 msg "skipping compiler inference steps; using provided CC=$CC"
696 CFG_OSX_CC_VERSION=$("$CFG_CC" --version 2>&1 | grep "clang")
699 step_msg "note, user-provided CC looks like clang; CC=$CC."
701 putvar CFG_USING_CLANG
704 if [ ! -z "$CFG_ENABLE_CLANG" ]
706 if [ -z "$CFG_CLANG" ]
708 err "clang requested but not found"
712 putvar CFG_USING_CLANG
718 if [ ! -z "$CFG_ENABLE_CLANG" ]
720 if [ -z "$CC" ] || [[ $CC == *clang ]]
722 CFG_CLANG_VERSION=$($CFG_CC \
725 | sed 's/.*\(version .*\)/\1/; s/.*based on \(LLVM .*\))/\1/' \
728 case $CFG_CLANG_VERSION in
729 (3.0svn | 3.0 | 3.1* | 3.2* | 3.3* | 3.4* | 3.5* | 3.6*)
730 step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
738 err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
742 msg "skipping CFG_ENABLE_CLANG version check; provided CC=$CC"
746 if [ ! -z "$CFG_ENABLE_CCACHE" ]
750 if [ -z "$CFG_CCACHE" ]
752 err "ccache requested but not found"
755 CFG_CC="ccache $CFG_CC"
759 if [ -z "$CC" -a -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
761 err "either clang or gcc is required"
764 # All safeguards based on $CFG_ENABLE_CLANG should occur before this
765 # point in the script; after this point, script logic should inspect
766 # $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG.
768 # Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS}
775 # a little post-processing of various config values
776 CFG_PREFIX=${CFG_PREFIX%/}
777 CFG_MANDIR=${CFG_MANDIR%/}
778 CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
779 CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
780 CFG_SUPPORTED_TARGET="$(grep ^CC_*=* ${CFG_SRC_DIR}mk/platform.mk | sed -e 's/^CC_//' -e 's/\([^=]*\).*/\1/' | xargs)"
782 # copy host-triples to target-triples so that hosts are a subset of targets
784 for i in $CFG_HOST $CFG_TARGET;
786 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
790 # check target-specific tool-chains
794 for j in $CFG_SUPPORTED_TARGET
802 if [ $L_CHECK = false ]
804 err "unsupported target triples \"$i\" found"
808 arm-linux-androideabi)
810 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc ]
812 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc not found"
814 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ ]
816 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ not found"
818 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar ]
820 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar not found"
825 if [ $CFG_OSTYPE != apple-darwin ]
827 err "The iOS target is only supported on Mac OS X"
836 if [ ! -z "$CFG_PERF" ]
838 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
839 if [ -z "$HAVE_PERF_LOGFD" ];
841 CFG_PERF_WITH_LOGFD=1
842 putvar CFG_PERF_WITH_LOGFD
846 step_msg "making directories"
849 doc doc/std doc/extra \
870 make_dir $t/rt/stage$s
871 make_dir $t/rt/jemalloc
873 make_dir $t/rt/libuv/src/ares
874 make_dir $t/rt/libuv/src/eio
875 make_dir $t/rt/libuv/src/ev
878 arch/i386 arch/x86_64 arch/arm arch/mips \
879 sundown/src sundown/html
881 make_dir $t/rt/stage$s/$i
893 make_dir $h/stage$i/bin
896 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE
899 make_dir $h/stage$i/test
902 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin
905 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib
909 make_dir $h/test/run-pass
910 make_dir $h/test/run-pass-fulldeps
911 make_dir $h/test/run-fail
912 make_dir $h/test/compile-fail
913 make_dir $h/test/compile-fail-fulldeps
914 make_dir $h/test/bench
915 make_dir $h/test/perf
916 make_dir $h/test/pretty
917 make_dir $h/test/debuginfo-gdb
918 make_dir $h/test/debuginfo-lldb
919 make_dir $h/test/codegen
920 make_dir $h/test/doc-tutorial
921 make_dir $h/test/doc-guide
922 make_dir $h/test/doc-guide-ffi
923 make_dir $h/test/doc-guide-runtime
924 make_dir $h/test/doc-guide-macros
925 make_dir $h/test/doc-guide-lifetimes
926 make_dir $h/test/doc-guide-pointers
927 make_dir $h/test/doc-guide-container
928 make_dir $h/test/doc-guide-tasks
929 make_dir $h/test/doc-rust
932 # Configure submodules
933 step_msg "configuring submodules"
935 # Have to be in the top of src directory for this
936 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ]
940 msg "git: submodule sync"
941 "${CFG_GIT}" submodule sync
943 msg "git: submodule init"
944 "${CFG_GIT}" submodule init
946 # Disable submodules that we're not using
947 if [ ! -z "${CFG_LLVM_ROOT}" ]; then
948 msg "git: submodule deinit src/llvm"
949 "${CFG_GIT}" submodule deinit src/llvm
951 if [ ! -z "${CFG_JEMALLOC_ROOT}" ]; then
952 msg "git: submodule deinit src/jemalloc"
953 "${CFG_GIT}" submodule deinit src/jemalloc
955 if [ ! -z "${CFG_LIBUV_ROOT}" ]; then
956 msg "git: submodule deinit src/libuv"
957 "${CFG_GIT}" submodule deinit src/libuv
960 msg "git: submodule update"
961 "${CFG_GIT}" submodule update
964 msg "git: submodule foreach sync"
965 "${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
968 msg "git: submodule foreach update"
969 "${CFG_GIT}" submodule update --recursive
972 # NB: this is just for the sake of getting the submodule SHA1 values
973 # and status written into the build log.
974 msg "git: submodule status"
975 "${CFG_GIT}" submodule status --recursive
977 msg "git: submodule clobber"
978 "${CFG_GIT}" submodule foreach --recursive git clean -dxf
980 "${CFG_GIT}" submodule foreach --recursive git checkout .
986 # Configure llvm, only if necessary
987 step_msg "looking at LLVM"
988 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
993 if [ -z $CFG_LLVM_ROOT ]
995 LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm
996 if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
998 LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
999 # Just use LLVM straight from its build directory to
1000 # avoid 'make install' time
1001 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
1003 LLVM_DBG_OPTS="--enable-optimized"
1004 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
1006 if [ ! -z "$CFG_DISABLE_LLVM_ASSERTIONS" ]
1008 LLVM_ASSERTION_OPTS="--disable-assertions"
1010 LLVM_ASSERTION_OPTS="--enable-assertions"
1011 LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts
1014 msg "not reconfiguring LLVM, external LLVM root"
1015 # The user is using their own LLVM
1017 LLVM_INST_DIR=$CFG_LLVM_ROOT
1022 if [ ${do_reconfigure} -ne 0 ]
1024 # because git is hilarious, it might have put the module index
1025 # in a couple places.
1026 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
1027 index2="${CFG_SRC_DIR}src/llvm/.git/index"
1028 for index in ${index1} ${index2}
1030 config_status="${LLVM_BUILD_DIR}/config.status"
1031 if test -e ${index} -a \
1032 -e ${config_status} -a \
1033 ${config_status} -nt ${index}
1035 msg "not reconfiguring LLVM, config.status is fresh"
1041 if [ ${do_reconfigure} -ne 0 ]
1043 msg "configuring LLVM for $t"
1045 LLVM_TARGETS="--enable-targets=x86,x86_64,arm,mips"
1046 LLVM_BUILD="--build=$t"
1047 LLVM_HOST="--host=$t"
1048 LLVM_TARGET="--target=$t"
1050 # Disable unused LLVM features
1051 LLVM_OPTS="$LLVM_DBG_OPTS $LLVM_ASSERTION_OPTS --disable-docs --enable-bindings=none"
1052 # Disable term-info, linkage of which comes in multiple forms,
1053 # making our snapshots incompatible (#9334)
1054 LLVM_OPTS="$LLVM_OPTS --disable-terminfo"
1055 # Try to have LLVM pull in as few dependencies as possible (#9397)
1056 LLVM_OPTS="$LLVM_OPTS --disable-zlib --disable-libffi"
1058 # Use win32 native thread/lock apis instead of pthread wrapper.
1059 # (llvm's configure tries to find pthread first, so we have to disable it explicitly.)
1060 # Also note that pthreads works badly on mingw-w64 systems: #8996
1061 case "$CFG_BUILD" in
1063 LLVM_OPTS="$LLVM_OPTS --disable-pthreads"
1069 LLVM_CXX_32="ccache clang++ -Qunused-arguments"
1070 LLVM_CC_32="ccache clang -Qunused-arguments"
1072 LLVM_CXX_64="ccache clang++ -Qunused-arguments"
1073 LLVM_CC_64="ccache clang -Qunused-arguments"
1076 LLVM_CXX_32="clang++ -Qunused-arguments"
1077 LLVM_CC_32="clang -Qunused-arguments"
1079 LLVM_CXX_64="clang++ -Qunused-arguments"
1080 LLVM_CC_64="clang -Qunused-arguments"
1083 LLVM_CXX_32="ccache g++"
1084 LLVM_CC_32="ccache gcc"
1086 LLVM_CXX_64="ccache g++"
1087 LLVM_CC_64="ccache gcc"
1098 msg "inferring LLVM_CXX/CC from CXX/CC = $CXX/$CC"
1107 case "$CFG_CPUTYPE" in
1109 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1110 LLVM_CC_32="$LLVM_CC_32 -m32"
1112 LLVM_CFLAGS_32="-m32"
1113 LLVM_CXXFLAGS_32="-m32"
1114 LLVM_LDFLAGS_32="-m32"
1120 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1121 LLVM_CC_32="$LLVM_CC_32 -m32"
1135 if echo $t | grep -q x86_64
1137 LLVM_CXX=$LLVM_CXX_64
1139 LLVM_CFLAGS=$LLVM_CFLAGS_64
1140 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
1141 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
1143 LLVM_CXX=$LLVM_CXX_32
1145 LLVM_CFLAGS=$LLVM_CFLAGS_32
1146 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
1147 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
1153 CXXFLAGS=$LLVM_CXXFLAGS
1154 LDFLAGS=$LLVM_LDFLAGS
1156 if [ -z "$CFG_DISABLE_LIBCPP" ] && [ -n "$CFG_USING_CLANG" ]; then
1157 LLVM_OPTS="$LLVM_OPTS --enable-libcpp"
1160 LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
1161 $LLVM_HOST $LLVM_TARGET --with-python=$CFG_PYTHON"
1163 msg "configuring LLVM with:"
1173 case $CFG_SRC_DIR in
1174 /* | [a-z]:* | [A-Z]:*)
1175 ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
1178 ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
1182 need_ok "LLVM configure failed"
1187 # Construct variables for LLVM build and install directories for
1188 # each target. These will be named
1189 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
1190 # target_triple will be converted to underscore, because bash
1191 # variables can't contain hyphens. The makefile will then have to
1193 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1194 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1195 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
1196 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
1200 step_msg "writing configuration"
1203 putvar CFG_BUILD_DIR
1206 putvar CFG_CONFIGURE_ARGS
1212 putvar CFG_LIBDIR_RELATIVE
1213 putvar CFG_DISABLE_MANAGE_SUBMODULES
1214 putvar CFG_ANDROID_CROSS_PATH
1215 putvar CFG_MINGW32_CROSS_PATH
1217 putvar CFG_DISABLE_INJECT_STD_VERSION
1218 putvar CFG_JEMALLOC_ROOT
1219 putvar CFG_LIBUV_ROOT
1220 putvar CFG_DISABLE_JEMALLOC
1222 # Avoid spurious warnings from clang by feeding it original source on
1223 # ccache-miss rather than preprocessed input.
1224 if [ ! -z "$CFG_ENABLE_CCACHE" ] && [ ! -z "$CFG_USING_CLANG" ]
1227 putvar CFG_CCACHE_CPP2
1230 if [ ! -z "$CFG_ENABLE_CCACHE" ]
1232 CFG_CCACHE_BASEDIR=${CFG_SRC_DIR}
1233 putvar CFG_CCACHE_BASEDIR
1237 if [ ! -z $BAD_PANDOC ]
1243 # Valgrind is only reliable on Linux. On Windows it doesn't work at all, and
1244 # on the Mac the dynamic linker causes Valgrind to emit a huge stream of
1246 if [ $CFG_OSTYPE != unknown-linux-gnu ] && [ $CFG_OSTYPE != apple-darwin ]
1249 putvar CFG_BAD_VALGRIND
1252 putvar CFG_LLVM_ROOT
1253 putvar CFG_LLVM_SRC_DIR
1257 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1258 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1259 putvar $CFG_LLVM_BUILD_DIR
1260 putvar $CFG_LLVM_INST_DIR
1263 # Munge any paths that appear in config.mk back to posix-y
1264 perl -i.bak -p -e 's@ ([a-zA-Z]):[/\\]@ /\1/@go;' \
1265 -e 's@\\@/@go;' config.tmp
1266 rm -f config.tmp.bak
1269 copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile
1270 move_if_changed config.tmp config.mk
1275 msg "run \`make help\`"