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 $CFG_SELF args"
412 opt valgrind 0 "run tests with valgrind (memcheck by default)"
413 opt helgrind 0 "run tests with helgrind instead of memcheck"
414 opt docs 1 "build documentation"
415 opt optimize 1 "build optimized rust code"
416 opt optimize-cxx 1 "build optimized C++ code"
417 opt optimize-llvm 1 "build optimized LLVM"
418 opt optimize-tests 1 "build tests with optimizations"
419 opt libcpp 1 "build with llvm with libc++ instead of libstdc++ when using clang"
420 opt llvm-assertions 1 "build LLVM with assertions"
421 opt debug 1 "build with extra debug fun"
422 opt ratchet-bench 0 "ratchet benchmarks"
423 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
424 opt manage-submodules 1 "let the build manage the git submodules"
425 opt mingw-cross 0 "cross-compile for win32 using mingw"
426 opt clang 0 "prefer clang to gcc for building the runtime"
427 opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
428 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
429 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
430 opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
431 opt rpath 0 "build rpaths into rustc itself"
432 opt nightly 0 "build nightly packages"
433 opt verify-install 1 "verify installed binaries work"
434 opt jemalloc 1 "build liballoc with jemalloc"
435 # This is used by the automation to produce single-target nightlies
436 opt dist-host-only 0 "only install bins for the host architecture"
437 valopt prefix "/usr/local" "set installation prefix"
438 valopt local-rust-root "/usr/local" "set prefix for local rust binary"
439 valopt llvm-root "" "set LLVM root"
440 valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located"
441 valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path"
442 valopt mingw32-cross-path "" "MinGW32 cross compiler path"
444 valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
445 valopt host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
446 valopt target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
448 valopt localstatedir "/var/lib" "local state directory"
449 valopt sysconfdir "/etc" "install system configuration files"
451 valopt datadir "${CFG_PREFIX}/share" "install data"
452 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
453 valopt mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
455 valopt release-channel "dev" "the name of the release channel to build"
457 # On windows we just store the libraries in the bin directory because
458 # there's no rpath. This is where the build system itself puts libraries;
459 # --libdir is used to configure the installation directory.
460 # FIXME: This needs to parameterized over target triples. Do it in platform.mk
461 CFG_LIBDIR_RELATIVE=lib
462 if [ "$CFG_OSTYPE" = "pc-mingw32" ] || [ "$CFG_OSTYPE" = "w64-mingw32" ]
464 CFG_LIBDIR_RELATIVE=bin
467 valopt libdir "${CFG_PREFIX}/${CFG_LIBDIR_RELATIVE}" "install libraries"
476 step_msg "validating $CFG_SELF args"
479 # Validate the release channel
480 case "$CFG_RELEASE_CHANNEL" in
481 (dev | nightly | beta | stable)
484 err "release channel must be 'dev', 'nightly', 'beta' or 'stable'"
488 # Continue supporting the old --enable-nightly flag to transition the bots
490 if [ ! -z "$CFG_ENABLE_NIGHTLY" ]
492 CFG_RELEASE_CHANNEL=nightly
493 putvar CFG_RELEASE_CHANNEL
496 step_msg "looking for build programs"
498 probe_need CFG_PERL perl
499 probe_need CFG_CURLORWGET curl wget
500 probe_need CFG_PYTHON python2.7 python2.6 python2 python
502 python_version=$($CFG_PYTHON -V 2>&1)
503 if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then
504 err "Found $python_version, but LLVM requires Python 2.4-2.7"
507 # If we have no git directory then we are probably a tarball distribution
508 # and shouldn't attempt to load submodules
509 if [ ! -e ${CFG_SRC_DIR}.git ]
512 msg "git: no git directory. disabling submodules"
513 CFG_DISABLE_MANAGE_SUBMODULES=1
515 probe_need CFG_GIT git
518 probe CFG_CLANG clang++
519 probe CFG_CCACHE ccache
522 probe CFG_VALGRIND valgrind
525 probe CFG_LLNEXTGEN LLnextgen
526 probe CFG_JAVAC javac
527 probe CFG_ANTLR4 antlr4
529 probe CFG_PANDOC pandoc
530 probe CFG_PDFLATEX pdflatex
531 probe CFG_XELATEX xelatex
532 probe CFG_LUALATEX lualatex
536 if [ ! -z "$CFG_GDB" ]
538 # Store GDB's version
539 CFG_GDB_VERSION=$($CFG_GDB --version 2>/dev/null | head -1)
540 putvar CFG_GDB_VERSION
543 if [ ! -z "$CFG_LLDB" ]
545 # Store LLDB's version
546 CFG_LLDB_VERSION=$($CFG_LLDB --version 2>/dev/null | head -1)
547 putvar CFG_LLDB_VERSION
549 # If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
550 # LLDB via the -P commandline options.
551 if [ -z "$CFG_LLDB_PYTHON_DIR" ] || [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
553 CFG_LLDB_PYTHON_DIR=$($CFG_LLDB -P)
555 # If CFG_LLDB_PYTHON_DIR is not a valid directory, set it to something more readable
556 if [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
558 CFG_LLDB_PYTHON_DIR="LLDB_PYTHON_DIRECTORY_NOT_FOUND"
561 putvar CFG_LLDB_PYTHON_DIR
565 step_msg "looking for target specific programs"
569 if [ ! -z "$CFG_PANDOC" ]
571 PV_MAJOR_MINOR=$(pandoc --version | grep '^pandoc ' |
572 # extract the first 2 version fields, ignore everything else
573 sed 's/pandoc \([0-9]*\)\.\([0-9]*\).*/\1 \2/')
577 # these patterns are shell globs, *not* regexps
578 PV_MAJOR=${PV_MAJOR_MINOR% *}
579 PV_MINOR=${PV_MAJOR_MINOR#* }
580 if [ "$PV_MAJOR" -lt "$MIN_PV_MAJOR" ] || [ "$PV_MINOR" -lt "$MIN_PV_MINOR" ]
582 step_msg "pandoc $PV_MAJOR.$PV_MINOR is too old. Need at least $MIN_PV_MAJOR.$MIN_PV_MINOR. Disabling"
588 if [ "$CFG_OSTYPE" = "pc-mingw32" ] || [ "$CFG_OSTYPE" = "w64-mingw32" ]
593 if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ]
595 system_rustc=$(which rustc)
596 if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
598 : # everything already configured
599 elif [ -n "$system_rustc" ]
601 # we assume that rustc is in a /bin directory
602 CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc}
604 err "no local rust to use"
607 LRV=`${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} --version`
608 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
609 putvar CFG_LOCAL_RUST_ROOT
612 # Force freebsd to build with clang; gcc doesn't like us there
613 if [ $CFG_OSTYPE = unknown-freebsd ]
615 step_msg "on FreeBSD, forcing use of clang"
617 putvar CFG_ENABLE_CLANG
620 if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
622 err "either clang or gcc is required"
625 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
626 # system, so if we find that gcc is clang, we should just use clang directly.
627 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
629 CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version")
632 step_msg "on OS X 10.9, forcing use of clang"
634 putvar CFG_ENABLE_CLANG
636 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
637 step_msg "older GCC found, using clang instead"
639 putvar CFG_ENABLE_CLANG
641 # on OS X, with xcode 5 and newer, certain developers may have
642 # cc, gcc and g++ point to a mixture of clang and gcc
643 # if so, this will create very strange build errors
644 # this last stanza is to detect some such problems and save the future rust
645 # contributor some time solving that issue.
646 # this detection could be generalized to other OSes aside from OS X
647 # but the issue seems most likely to happen on OS X
650 $1 --version 2> /dev/null | grep -q $2
652 # check that gcc, cc and g++ all point to the same compiler.
653 # note that for xcode 5, g++ points to clang, not clang++
654 if !((chk_cc gcc clang && chk_cc g++ clang) ||
655 (chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))); then
656 err "the gcc and g++ in your path point to different compilers.
657 Check which versions are in your path with gcc --version and g++ --version.
658 To resolve this problem, either fix your PATH or run configure with --enable-clang"
665 if [ ! -z "$CFG_LLVM_ROOT" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
667 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
669 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
670 LLVM_VERSION=$($LLVM_CONFIG --version)
672 case $LLVM_VERSION in
674 msg "found ok version of LLVM: $LLVM_VERSION"
677 err "bad LLVM version: $LLVM_VERSION, need >=3.0svn"
682 # Even when the user overrides the choice of CC, still try to detect
683 # clang to disable some clang-specific warnings. We here draw a
684 # distinction between:
686 # CFG_ENABLE_CLANG : passed --enable-clang, or host "requires" clang,
687 # CFG_USING_CLANG : compiler (clang / gcc / $CC) looks like clang.
689 # This distinction is important because there are some safeguards we
690 # would prefer to skip when merely CFG_USING_CLANG is set; but when
691 # CFG_ENABLE_CLANG is set, that indicates that we are opting into
692 # running such safeguards.
696 msg "skipping compiler inference steps; using provided CC=$CC"
699 CFG_OSX_CC_VERSION=$("$CFG_CC" --version 2>&1 | grep "clang")
702 step_msg "note, user-provided CC looks like clang; CC=$CC."
704 putvar CFG_USING_CLANG
707 if [ ! -z "$CFG_ENABLE_CLANG" ]
709 if [ -z "$CFG_CLANG" ]
711 err "clang requested but not found"
715 putvar CFG_USING_CLANG
721 if [ ! -z "$CFG_ENABLE_CLANG" ]
723 if [ -z "$CC" ] || [[ $CC == *clang ]]
725 CFG_CLANG_VERSION=$($CFG_CC \
728 | sed 's/.*\(version .*\)/\1/; s/.*based on \(LLVM .*\))/\1/' \
731 case $CFG_CLANG_VERSION in
732 (3.0svn | 3.0 | 3.1* | 3.2* | 3.3* | 3.4* | 3.5* | 3.6*)
733 step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
741 err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
745 msg "skipping CFG_ENABLE_CLANG version check; provided CC=$CC"
749 if [ ! -z "$CFG_ENABLE_CCACHE" ]
753 if [ -z "$CFG_CCACHE" ]
755 err "ccache requested but not found"
758 CFG_CC="ccache $CFG_CC"
762 if [ -z "$CC" -a -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
764 err "either clang or gcc is required"
767 # All safeguards based on $CFG_ENABLE_CLANG should occur before this
768 # point in the script; after this point, script logic should inspect
769 # $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG.
771 # Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS}
778 # a little post-processing of various config values
779 CFG_PREFIX=${CFG_PREFIX%/}
780 CFG_MANDIR=${CFG_MANDIR%/}
781 CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
782 CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
783 CFG_SUPPORTED_TARGET="$(grep ^CC_*=* ${CFG_SRC_DIR}mk/platform.mk | sed -e 's/^CC_//' -e 's/\([^=]*\).*/\1/' | xargs)"
785 # copy host-triples to target-triples so that hosts are a subset of targets
787 for i in $CFG_HOST $CFG_TARGET;
789 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
793 # check target-specific tool-chains
797 for j in $CFG_SUPPORTED_TARGET
805 if [ $L_CHECK = false ]
807 err "unsupported target triples \"$i\" found"
811 arm-linux-androideabi)
813 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc ]
815 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc not found"
817 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ ]
819 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ not found"
821 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar ]
823 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar not found"
828 if [ $CFG_OSTYPE != apple-darwin ]
830 err "The iOS target is only supported on Mac OS X"
839 if [ ! -z "$CFG_PERF" ]
841 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
842 if [ -z "$HAVE_PERF_LOGFD" ];
844 CFG_PERF_WITH_LOGFD=1
845 putvar CFG_PERF_WITH_LOGFD
849 step_msg "making directories"
852 doc doc/std doc/extra \
873 make_dir $t/rt/stage$s
874 make_dir $t/rt/jemalloc
877 arch/i386 arch/x86_64 arch/arm arch/mips \
878 sundown/src sundown/html
880 make_dir $t/rt/stage$s/$i
892 make_dir $h/stage$i/bin
895 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE
898 make_dir $h/stage$i/test
901 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin
904 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib
908 make_dir $h/test/run-pass
909 make_dir $h/test/run-pass-fulldeps
910 make_dir $h/test/run-fail
911 make_dir $h/test/compile-fail
912 make_dir $h/test/compile-fail-fulldeps
913 make_dir $h/test/bench
914 make_dir $h/test/perf
915 make_dir $h/test/pretty
916 make_dir $h/test/debuginfo-gdb
917 make_dir $h/test/debuginfo-lldb
918 make_dir $h/test/codegen
919 make_dir $h/test/doc-tutorial
920 make_dir $h/test/doc-guide
921 make_dir $h/test/doc-guide-ffi
922 make_dir $h/test/doc-guide-runtime
923 make_dir $h/test/doc-guide-macros
924 make_dir $h/test/doc-guide-lifetimes
925 make_dir $h/test/doc-guide-pointers
926 make_dir $h/test/doc-guide-container
927 make_dir $h/test/doc-guide-tasks
928 make_dir $h/test/doc-guide-plugin
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 "${CFG_GIT}" submodule deinit src/jemalloc
956 msg "git: submodule update"
957 "${CFG_GIT}" submodule update
960 msg "git: submodule foreach sync"
961 "${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
964 msg "git: submodule foreach update"
965 "${CFG_GIT}" submodule update --recursive
968 # NB: this is just for the sake of getting the submodule SHA1 values
969 # and status written into the build log.
970 msg "git: submodule status"
971 "${CFG_GIT}" submodule status --recursive
973 msg "git: submodule clobber"
974 "${CFG_GIT}" submodule foreach --recursive git clean -dxf
976 "${CFG_GIT}" submodule foreach --recursive git checkout .
982 # Configure llvm, only if necessary
983 step_msg "looking at LLVM"
984 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
989 if [ -z $CFG_LLVM_ROOT ]
991 LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm
992 if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
994 LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
995 # Just use LLVM straight from its build directory to
996 # avoid 'make install' time
997 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
999 LLVM_DBG_OPTS="--enable-optimized"
1000 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
1002 if [ ! -z "$CFG_DISABLE_LLVM_ASSERTIONS" ]
1004 LLVM_ASSERTION_OPTS="--disable-assertions"
1006 LLVM_ASSERTION_OPTS="--enable-assertions"
1007 LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts
1010 msg "not reconfiguring LLVM, external LLVM root"
1011 # The user is using their own LLVM
1013 LLVM_INST_DIR=$CFG_LLVM_ROOT
1018 if [ ${do_reconfigure} -ne 0 ]
1020 # because git is hilarious, it might have put the module index
1021 # in a couple places.
1022 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
1023 index2="${CFG_SRC_DIR}src/llvm/.git/index"
1024 for index in ${index1} ${index2}
1026 config_status="${LLVM_BUILD_DIR}/config.status"
1027 if test -e ${index} -a \
1028 -e ${config_status} -a \
1029 ${config_status} -nt ${index}
1031 msg "not reconfiguring LLVM, config.status is fresh"
1037 if [ ${do_reconfigure} -ne 0 ]
1039 msg "configuring LLVM for $t"
1041 LLVM_TARGETS="--enable-targets=x86,x86_64,arm,mips"
1042 LLVM_BUILD="--build=$t"
1043 LLVM_HOST="--host=$t"
1044 LLVM_TARGET="--target=$t"
1046 # Disable unused LLVM features
1047 LLVM_OPTS="$LLVM_DBG_OPTS $LLVM_ASSERTION_OPTS --disable-docs --enable-bindings=none"
1048 # Disable term-info, linkage of which comes in multiple forms,
1049 # making our snapshots incompatible (#9334)
1050 LLVM_OPTS="$LLVM_OPTS --disable-terminfo"
1051 # Try to have LLVM pull in as few dependencies as possible (#9397)
1052 LLVM_OPTS="$LLVM_OPTS --disable-zlib --disable-libffi"
1054 # Use win32 native thread/lock apis instead of pthread wrapper.
1055 # (llvm's configure tries to find pthread first, so we have to disable it explicitly.)
1056 # Also note that pthreads works badly on mingw-w64 systems: #8996
1057 case "$CFG_BUILD" in
1059 LLVM_OPTS="$LLVM_OPTS --disable-pthreads"
1065 LLVM_CXX_32="ccache clang++ -Qunused-arguments"
1066 LLVM_CC_32="ccache clang -Qunused-arguments"
1068 LLVM_CXX_64="ccache clang++ -Qunused-arguments"
1069 LLVM_CC_64="ccache clang -Qunused-arguments"
1072 LLVM_CXX_32="clang++ -Qunused-arguments"
1073 LLVM_CC_32="clang -Qunused-arguments"
1075 LLVM_CXX_64="clang++ -Qunused-arguments"
1076 LLVM_CC_64="clang -Qunused-arguments"
1079 LLVM_CXX_32="ccache g++"
1080 LLVM_CC_32="ccache gcc"
1082 LLVM_CXX_64="ccache g++"
1083 LLVM_CC_64="ccache gcc"
1094 msg "inferring LLVM_CXX/CC from CXX/CC = $CXX/$CC"
1103 case "$CFG_CPUTYPE" in
1105 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1106 LLVM_CC_32="$LLVM_CC_32 -m32"
1108 LLVM_CFLAGS_32="-m32"
1109 LLVM_CXXFLAGS_32="-m32"
1110 LLVM_LDFLAGS_32="-m32"
1116 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1117 LLVM_CC_32="$LLVM_CC_32 -m32"
1131 if echo $t | grep -q x86_64
1133 LLVM_CXX=$LLVM_CXX_64
1135 LLVM_CFLAGS=$LLVM_CFLAGS_64
1136 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
1137 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
1139 LLVM_CXX=$LLVM_CXX_32
1141 LLVM_CFLAGS=$LLVM_CFLAGS_32
1142 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
1143 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
1149 CXXFLAGS=$LLVM_CXXFLAGS
1150 LDFLAGS=$LLVM_LDFLAGS
1152 if [ -z "$CFG_DISABLE_LIBCPP" ] && [ -n "$CFG_USING_CLANG" ]; then
1153 LLVM_OPTS="$LLVM_OPTS --enable-libcpp"
1156 LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
1157 $LLVM_HOST $LLVM_TARGET --with-python=$CFG_PYTHON"
1159 msg "configuring LLVM with:"
1169 case $CFG_SRC_DIR in
1170 /* | [a-z]:* | [A-Z]:*)
1171 ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
1174 ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
1178 need_ok "LLVM configure failed"
1183 # Construct variables for LLVM build and install directories for
1184 # each target. These will be named
1185 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
1186 # target_triple will be converted to underscore, because bash
1187 # variables can't contain hyphens. The makefile will then have to
1189 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1190 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1191 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
1192 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
1196 step_msg "writing configuration"
1199 putvar CFG_BUILD_DIR
1202 putvar CFG_CONFIGURE_ARGS
1208 putvar CFG_LIBDIR_RELATIVE
1209 putvar CFG_DISABLE_MANAGE_SUBMODULES
1210 putvar CFG_ANDROID_CROSS_PATH
1211 putvar CFG_MINGW32_CROSS_PATH
1213 putvar CFG_DISABLE_INJECT_STD_VERSION
1214 putvar CFG_JEMALLOC_ROOT
1215 putvar CFG_DISABLE_JEMALLOC
1217 # Avoid spurious warnings from clang by feeding it original source on
1218 # ccache-miss rather than preprocessed input.
1219 if [ ! -z "$CFG_ENABLE_CCACHE" ] && [ ! -z "$CFG_USING_CLANG" ]
1222 putvar CFG_CCACHE_CPP2
1225 if [ ! -z "$CFG_ENABLE_CCACHE" ]
1227 CFG_CCACHE_BASEDIR=${CFG_SRC_DIR}
1228 putvar CFG_CCACHE_BASEDIR
1232 if [ ! -z $BAD_PANDOC ]
1238 # Valgrind is only reliable on Linux. On Windows it doesn't work at all, and
1239 # on the Mac the dynamic linker causes Valgrind to emit a huge stream of
1241 if [ $CFG_OSTYPE != unknown-linux-gnu ] && [ $CFG_OSTYPE != apple-darwin ]
1244 putvar CFG_BAD_VALGRIND
1247 putvar CFG_LLVM_ROOT
1248 putvar CFG_LLVM_SRC_DIR
1252 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1253 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1254 putvar $CFG_LLVM_BUILD_DIR
1255 putvar $CFG_LLVM_INST_DIR
1258 # Munge any paths that appear in config.mk back to posix-y
1259 perl -i.bak -p -e 's@ ([a-zA-Z]):[/\\]@ /\1/@go;' \
1260 -e 's@\\@/@go;' config.tmp
1261 rm -f config.tmp.bak
1264 copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile
1265 move_if_changed config.tmp config.mk
1270 msg "run \`make help\`"