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"
154 # `valopt OPTION_NAME DEFAULT DOC` extracts a string-valued option
155 # from command line, using provided default value for the option if
156 # not present, and saves it to the generated config.mk.
158 # `valopt_nosave` is much the same, except that it does not save the
159 # result to config.mk (instead the script should use `putvar` itself
160 # later on to save it). `valopt_core` is the core upon which the
161 # other two are built.
164 VAL_OPTIONS="$VAL_OPTIONS $2"
175 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
178 for arg in $CFG_CONFIGURE_ARGS
180 if echo "$arg" | grep -q -- "--$OP="
182 val=$(echo "$arg" | cut -f2 -d=)
186 if [ "$SAVE" = "save" ]
195 OP="${OP}=[${DEFAULT}]"
196 printf " --%-30s %s\n" "$OP" "$DOC"
201 valopt_core nosave "$@"
205 valopt_core save "$@"
208 # `opt OPTION_NAME DEFAULT DOC` extracts a boolean-valued option from
209 # command line, using the provided default value (0/1) for the option
210 # if not present, and saves it to the generated config.mk.
212 # `opt_nosave` is much the same, except that it does not save the
213 # result to config.mk (instead the script should use `putvar` itself
214 # later on to save it). `opt_core` is the core upon which the other
218 BOOL_OPTIONS="$BOOL_OPTIONS $2"
229 if [ $DEFAULT -eq 0 ]
239 for arg in $CFG_CONFIGURE_ARGS
241 if [ "$arg" = "--${FLAG}-${OP}" ]
243 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
244 FLAG=$(echo $FLAG | tr 'a-z' 'A-Z')
245 local V="CFG_${FLAG}_${OP}"
247 if [ "$SAVE" = "save" ]
258 printf " --%-30s %s\n" "$FLAG-$OP" "$DOC"
272 local V="CFG_${NAME}"
275 # If configure didn't set a value already, then check environment.
277 # (It is recommended that the configure script always check the
278 # environment before setting any values to envopt variables; see
279 # e.g. how CFG_CC is handled, where it first checks `-z "$CC"`,
280 # and issues msg if it ends up employing that provided value.)
287 # If script or environment provided a value, save it.
294 msg "looking for configure programs"
310 msg "inspecting environment"
312 CFG_OSTYPE=$(uname -s)
313 CFG_CPUTYPE=$(uname -m)
315 if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
317 # Darwin's `uname -s` lies and always returns i386. We have to use sysctl
319 if sysctl hw.optional.x86_64 | grep -q ': 1'
325 # The goal here is to come up with the same triple as LLVM would,
326 # at least for the subset of platforms we're willing to target.
331 CFG_OSTYPE=unknown-linux-gnu
335 CFG_OSTYPE=unknown-freebsd
339 CFG_OSTYPE=unknown-dragonfly
343 CFG_OSTYPE=apple-darwin
347 # msys' `uname` does not print gcc configuration, but prints msys
348 # configuration. so we cannot believe `uname -m`:
349 # msys1 is always i686 and msys2 is always x86_64.
350 # instead, msys defines $MSYSTEM which is MINGW32 on i686 and
353 CFG_OSTYPE=w64-mingw32
354 if [ "$MSYSTEM" = MINGW64 ]
357 CFG_OSTYPE=w64-mingw32
361 # Thad's Cygwin identifers below
365 CFG_OSTYPE=pc-mingw32
371 CFG_OSTYPE=w64-mingw32
377 CFG_OSTYPE=pc-mingw32
383 CFG_OSTYPE=w64-mingw32
387 # We do not detect other OS such as XP/2003 using 64 bit using uname.
388 # 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.
390 err "unknown OS type: $CFG_OSTYPE"
397 i386 | i486 | i686 | i786 | x86)
407 CFG_OSTYPE="${CFG_OSTYPE}eabihf"
410 x86_64 | x86-64 | x64 | amd64)
415 err "unknown CPU type: $CFG_CPUTYPE"
418 # Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
419 if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
421 file -L "$SHELL" | grep -q "x86[_-]64"
428 DEFAULT_BUILD="${CFG_CPUTYPE}-${CFG_OSTYPE}"
430 CFG_SRC_DIR="$(cd $(dirname $0) && pwd)/"
431 CFG_BUILD_DIR="$(pwd)/"
433 CFG_CONFIGURE_ARGS="$@"
437 if [ "$1" = "--help" ]
442 echo "Usage: $CFG_SELF [options]"
447 msg "recreating config.tmp"
450 step_msg "processing $CFG_SELF args"
456 opt valgrind 0 "run tests with valgrind (memcheck by default)"
457 opt helgrind 0 "run tests with helgrind instead of memcheck"
458 opt valgrind-rpass 1 "run rpass-valgrind tests with valgrind"
459 opt docs 1 "build documentation"
460 opt optimize 1 "build optimized rust code"
461 opt optimize-cxx 1 "build optimized C++ code"
462 opt optimize-llvm 1 "build optimized LLVM"
463 opt optimize-tests 1 "build tests with optimizations"
464 opt libcpp 1 "build with llvm with libc++ instead of libstdc++ when using clang"
465 opt llvm-assertions 1 "build LLVM with assertions"
466 opt debug 1 "build with extra debug fun"
467 opt ratchet-bench 0 "ratchet benchmarks"
468 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
469 opt mingw-cross 0 "cross-compile for win32 using mingw"
470 opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
471 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
472 opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
473 opt rpath 0 "build rpaths into rustc itself"
474 opt nightly 0 "build nightly packages"
475 opt verify-install 1 "verify installed binaries work"
476 # This is used by the automation to produce single-target nightlies
477 opt dist-host-only 0 "only install bins for the host architecture"
478 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
479 opt jemalloc 1 "build liballoc with jemalloc"
481 valopt localstatedir "/var/lib" "local state directory"
482 valopt sysconfdir "/etc" "install system configuration files"
484 valopt datadir "${CFG_PREFIX}/share" "install data"
485 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
486 valopt llvm-root "" "set LLVM root"
487 valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located"
488 valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
489 valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path"
490 valopt mingw32-cross-path "" "MinGW32 cross compiler path"
492 # Many of these are saved below during the "writing configuration" step
493 # (others are conditionally saved).
494 opt_nosave manage-submodules 1 "let the build manage the git submodules"
495 opt_nosave clang 0 "prefer clang to gcc for building the runtime"
497 valopt_nosave prefix "/usr/local" "set installation prefix"
498 valopt_nosave local-rust-root "/usr/local" "set prefix for local rust binary"
499 valopt_nosave host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
500 valopt_nosave target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
501 valopt_nosave mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
502 valopt_nosave release-channel "dev" "the name of the release channel to build"
504 # On windows we just store the libraries in the bin directory because
505 # there's no rpath. This is where the build system itself puts libraries;
506 # --libdir is used to configure the installation directory.
507 # FIXME: This needs to parameterized over target triples. Do it in platform.mk
508 CFG_LIBDIR_RELATIVE=lib
509 if [ "$CFG_OSTYPE" = "pc-mingw32" ] || [ "$CFG_OSTYPE" = "w64-mingw32" ]
511 CFG_LIBDIR_RELATIVE=bin
514 valopt libdir "${CFG_PREFIX}/${CFG_LIBDIR_RELATIVE}" "install libraries"
523 step_msg "validating $CFG_SELF args"
526 # Validate the release channel
527 case "$CFG_RELEASE_CHANNEL" in
528 (dev | nightly | beta | stable)
531 err "release channel must be 'dev', 'nightly', 'beta' or 'stable'"
535 # Continue supporting the old --enable-nightly flag to transition the bots
537 if [ ! -z "$CFG_ENABLE_NIGHTLY" ]
539 CFG_RELEASE_CHANNEL=nightly
541 putvar CFG_RELEASE_CHANNEL
543 step_msg "looking for build programs"
545 probe_need CFG_PERL perl
546 probe_need CFG_CURLORWGET curl wget
547 probe_need CFG_PYTHON python2.7 python2.6 python2 python
549 python_version=$($CFG_PYTHON -V 2>&1)
550 if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then
551 err "Found $python_version, but LLVM requires Python 2.4-2.7"
554 # If we have no git directory then we are probably a tarball distribution
555 # and shouldn't attempt to load submodules
556 if [ ! -e ${CFG_SRC_DIR}.git ]
559 msg "git: no git directory. disabling submodules"
560 CFG_DISABLE_MANAGE_SUBMODULES=1
562 probe_need CFG_GIT git
565 probe CFG_CLANG clang++
566 probe CFG_CCACHE ccache
569 probe CFG_VALGRIND valgrind
572 probe CFG_LLNEXTGEN LLnextgen
573 probe CFG_JAVAC javac
574 probe CFG_ANTLR4 antlr4
576 probe CFG_PANDOC pandoc
577 probe CFG_PDFLATEX pdflatex
578 probe CFG_XELATEX xelatex
579 probe CFG_LUALATEX lualatex
583 if [ ! -z "$CFG_GDB" ]
585 # Store GDB's version
586 CFG_GDB_VERSION=$($CFG_GDB --version 2>/dev/null | head -1)
587 putvar CFG_GDB_VERSION
590 if [ ! -z "$CFG_LLDB" ]
592 # Store LLDB's version
593 CFG_LLDB_VERSION=$($CFG_LLDB --version 2>/dev/null | head -1)
594 putvar CFG_LLDB_VERSION
596 # If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
597 # LLDB via the -P commandline options.
598 if [ -z "$CFG_LLDB_PYTHON_DIR" ] || [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
600 CFG_LLDB_PYTHON_DIR=$($CFG_LLDB -P)
602 # If CFG_LLDB_PYTHON_DIR is not a valid directory, set it to something more readable
603 if [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
605 CFG_LLDB_PYTHON_DIR="LLDB_PYTHON_DIRECTORY_NOT_FOUND"
608 putvar CFG_LLDB_PYTHON_DIR
612 step_msg "looking for target specific programs"
616 if [ ! -z "$CFG_PANDOC" ]
618 PV_MAJOR_MINOR=$(pandoc --version | grep '^pandoc ' |
619 # extract the first 2 version fields, ignore everything else
620 sed 's/pandoc \([0-9]*\)\.\([0-9]*\).*/\1 \2/')
624 # these patterns are shell globs, *not* regexps
625 PV_MAJOR=${PV_MAJOR_MINOR% *}
626 PV_MINOR=${PV_MAJOR_MINOR#* }
627 if [ "$PV_MAJOR" -lt "$MIN_PV_MAJOR" ] || [ "$PV_MINOR" -lt "$MIN_PV_MINOR" ]
629 step_msg "pandoc $PV_MAJOR.$PV_MINOR is too old. Need at least $MIN_PV_MAJOR.$MIN_PV_MINOR. Disabling"
635 if [ "$CFG_OSTYPE" = "pc-mingw32" ] || [ "$CFG_OSTYPE" = "w64-mingw32" ]
640 if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ]
642 system_rustc=$(which rustc)
643 if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
645 : # everything already configured
646 elif [ -n "$system_rustc" ]
648 # we assume that rustc is in a /bin directory
649 CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc}
651 err "no local rust to use"
654 CMD="${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF}"
658 step_msg "failure while running $CMD --version"
661 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
662 putvar CFG_LOCAL_RUST_ROOT
664 if [ ! -z "$CFG_LOCAL_RUST_ROOT" ]
666 warn "Use of --local-rust-root without --enable-local-rust"
670 # Force freebsd to build with clang; gcc doesn't like us there
671 if [ $CFG_OSTYPE = unknown-freebsd ]
673 step_msg "on FreeBSD, forcing use of clang"
677 if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
679 err "either clang or gcc is required"
682 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
683 # system, so if we find that gcc is clang, we should just use clang directly.
684 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
686 CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version")
689 step_msg "on OS X 10.9, forcing use of clang"
692 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
693 step_msg "older GCC found, using clang instead"
696 # on OS X, with xcode 5 and newer, certain developers may have
697 # cc, gcc and g++ point to a mixture of clang and gcc
698 # if so, this will create very strange build errors
699 # this last stanza is to detect some such problems and save the future rust
700 # contributor some time solving that issue.
701 # this detection could be generalized to other OSes aside from OS X
702 # but the issue seems most likely to happen on OS X
705 $1 --version 2> /dev/null | grep -q $2
707 # check that gcc, cc and g++ all point to the same compiler.
708 # note that for xcode 5, g++ points to clang, not clang++
709 if !((chk_cc gcc clang && chk_cc g++ clang) ||
710 (chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))); then
711 err "the gcc and g++ in your path point to different compilers.
712 Check which versions are in your path with gcc --version and g++ --version.
713 To resolve this problem, either fix your PATH or run configure with --enable-clang"
720 # Okay, at this point, we have made up our minds about whether we are
721 # going to force CFG_ENABLE_CLANG or not; save the setting if so.
722 if [ ! -z "$CFG_ENABLE_CLANG" ]
724 putvar CFG_ENABLE_CLANG
727 if [ ! -z "$CFG_LLVM_ROOT" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
729 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
731 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
732 LLVM_VERSION=$($LLVM_CONFIG --version)
734 case $LLVM_VERSION in
736 msg "found ok version of LLVM: $LLVM_VERSION"
739 err "bad LLVM version: $LLVM_VERSION, need >=3.0svn"
744 # Even when the user overrides the choice of CC, still try to detect
745 # clang to disable some clang-specific warnings. We here draw a
746 # distinction between:
748 # CFG_ENABLE_CLANG : passed --enable-clang, or host "requires" clang,
749 # CFG_USING_CLANG : compiler (clang / gcc / $CC) looks like clang.
751 # This distinction is important because there are some safeguards we
752 # would prefer to skip when merely CFG_USING_CLANG is set; but when
753 # CFG_ENABLE_CLANG is set, that indicates that we are opting into
754 # running such safeguards.
758 msg "skipping compiler inference steps; using provided CC=$CC"
761 CFG_OSX_CC_VERSION=$("$CFG_CC" --version 2>&1 | grep "clang")
764 step_msg "note, user-provided CC looks like clang; CC=$CC."
766 putvar CFG_USING_CLANG
769 if [ ! -z "$CFG_ENABLE_CLANG" ]
771 if [ -z "$CFG_CLANG" ]
773 err "clang requested but not found"
777 putvar CFG_USING_CLANG
783 if [ ! -z "$CFG_ENABLE_CLANG" ]
785 if [ -z "$CC" ] || [[ $CC == *clang ]]
787 CFG_CLANG_VERSION=$($CFG_CC \
790 | sed 's/.*\(version .*\)/\1/; s/.*based on \(LLVM .*\))/\1/' \
793 case $CFG_CLANG_VERSION in
794 (3.0svn | 3.0 | 3.1* | 3.2* | 3.3* | 3.4* | 3.5* | 3.6*)
795 step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
803 err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
807 msg "skipping CFG_ENABLE_CLANG version check; provided CC=$CC"
811 if [ ! -z "$CFG_ENABLE_CCACHE" ]
815 if [ -z "$CFG_CCACHE" ]
817 err "ccache requested but not found"
820 CFG_CC="ccache $CFG_CC"
824 if [ -z "$CC" -a -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
826 err "either clang or gcc is required"
829 # All safeguards based on $CFG_ENABLE_CLANG should occur before this
830 # point in the script; after this point, script logic should inspect
831 # $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG.
833 # Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS}
840 # a little post-processing of various config values
841 CFG_PREFIX=${CFG_PREFIX%/}
842 CFG_MANDIR=${CFG_MANDIR%/}
843 CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
844 CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
845 CFG_SUPPORTED_TARGET="$(ls ${CFG_SRC_DIR}mk/cfg)"
847 # copy host-triples to target-triples so that hosts are a subset of targets
849 for i in $CFG_HOST $CFG_TARGET;
851 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
855 # check target-specific tool-chains
859 for j in $CFG_SUPPORTED_TARGET
867 if [ $L_CHECK = false ]
869 err "unsupported target triples \"$i\" found"
873 arm-linux-androideabi)
875 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc ]
877 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc not found"
879 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ ]
881 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ not found"
883 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar ]
885 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar not found"
890 if [ $CFG_OSTYPE != apple-darwin ]
892 err "The iOS target is only supported on Mac OS X"
901 if [ ! -z "$CFG_PERF" ]
903 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
904 if [ -z "$HAVE_PERF_LOGFD" ];
906 CFG_PERF_WITH_LOGFD=1
907 putvar CFG_PERF_WITH_LOGFD
911 step_msg "making directories"
914 doc doc/std doc/extra \
935 make_dir $t/rt/stage$s
936 make_dir $t/rt/jemalloc
939 arch/i386 arch/x86_64 arch/arm arch/mips \
940 sundown/src sundown/html
942 make_dir $t/rt/stage$s/$i
954 make_dir $h/stage$i/bin
957 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE
960 make_dir $h/stage$i/test
963 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin
966 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib
970 make_dir $h/test/run-pass
971 make_dir $h/test/run-pass-valgrind
972 make_dir $h/test/run-pass-fulldeps
973 make_dir $h/test/run-fail
974 make_dir $h/test/compile-fail
975 make_dir $h/test/compile-fail-fulldeps
976 make_dir $h/test/bench
977 make_dir $h/test/perf
978 make_dir $h/test/pretty
979 make_dir $h/test/debuginfo-gdb
980 make_dir $h/test/debuginfo-lldb
981 make_dir $h/test/codegen
982 make_dir $h/test/doc-tutorial
983 make_dir $h/test/doc-guide
984 make_dir $h/test/doc-guide-ffi
985 make_dir $h/test/doc-guide-runtime
986 make_dir $h/test/doc-guide-macros
987 make_dir $h/test/doc-guide-lifetimes
988 make_dir $h/test/doc-guide-pointers
989 make_dir $h/test/doc-guide-container
990 make_dir $h/test/doc-guide-tasks
991 make_dir $h/test/doc-guide-plugin
992 make_dir $h/test/doc-guide-crates
993 make_dir $h/test/doc-rust
996 # Configure submodules
997 step_msg "configuring submodules"
999 # Have to be in the top of src directory for this
1000 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ]
1004 msg "git: submodule sync"
1005 "${CFG_GIT}" submodule sync
1007 msg "git: submodule init"
1008 "${CFG_GIT}" submodule init
1010 # Disable submodules that we're not using
1011 if [ ! -z "${CFG_LLVM_ROOT}" ]; then
1012 msg "git: submodule deinit src/llvm"
1013 "${CFG_GIT}" submodule deinit src/llvm
1015 if [ ! -z "${CFG_JEMALLOC_ROOT}" ]; then
1016 msg "git: submodule deinit src/jemalloc"
1017 "${CFG_GIT}" submodule deinit src/jemalloc
1020 msg "git: submodule update"
1021 "${CFG_GIT}" submodule update
1022 need_ok "git failed"
1024 msg "git: submodule foreach sync"
1025 "${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
1026 need_ok "git failed"
1028 msg "git: submodule foreach update"
1029 "${CFG_GIT}" submodule update --recursive
1030 need_ok "git failed"
1032 # NB: this is just for the sake of getting the submodule SHA1 values
1033 # and status written into the build log.
1034 msg "git: submodule status"
1035 "${CFG_GIT}" submodule status --recursive
1037 msg "git: submodule clobber"
1038 "${CFG_GIT}" submodule foreach --recursive git clean -dxf
1039 need_ok "git failed"
1040 "${CFG_GIT}" submodule foreach --recursive git checkout .
1041 need_ok "git failed"
1046 # Configure llvm, only if necessary
1047 step_msg "looking at LLVM"
1048 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
1053 if [ -z $CFG_LLVM_ROOT ]
1055 LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm
1056 if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
1058 LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
1059 # Just use LLVM straight from its build directory to
1060 # avoid 'make install' time
1061 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
1063 LLVM_DBG_OPTS="--enable-optimized"
1064 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
1066 if [ ! -z "$CFG_DISABLE_LLVM_ASSERTIONS" ]
1068 LLVM_ASSERTION_OPTS="--disable-assertions"
1070 LLVM_ASSERTION_OPTS="--enable-assertions"
1071 LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts
1074 msg "not reconfiguring LLVM, external LLVM root"
1075 # The user is using their own LLVM
1077 LLVM_INST_DIR=$CFG_LLVM_ROOT
1082 if [ ${do_reconfigure} -ne 0 ]
1084 # because git is hilarious, it might have put the module index
1085 # in a couple places.
1086 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
1087 index2="${CFG_SRC_DIR}src/llvm/.git/index"
1088 for index in ${index1} ${index2}
1090 config_status="${LLVM_BUILD_DIR}/config.status"
1091 if test -e ${index} -a \
1092 -e ${config_status} -a \
1093 ${config_status} -nt ${index}
1095 msg "not reconfiguring LLVM, config.status is fresh"
1101 if [ ${do_reconfigure} -ne 0 ]
1103 msg "configuring LLVM for $t"
1105 LLVM_TARGETS="--enable-targets=x86,x86_64,arm,mips"
1106 LLVM_BUILD="--build=$t"
1107 LLVM_HOST="--host=$t"
1108 LLVM_TARGET="--target=$t"
1110 # Disable unused LLVM features
1111 LLVM_OPTS="$LLVM_DBG_OPTS $LLVM_ASSERTION_OPTS --disable-docs --enable-bindings=none"
1112 # Disable term-info, linkage of which comes in multiple forms,
1113 # making our snapshots incompatible (#9334)
1114 LLVM_OPTS="$LLVM_OPTS --disable-terminfo"
1115 # Try to have LLVM pull in as few dependencies as possible (#9397)
1116 LLVM_OPTS="$LLVM_OPTS --disable-zlib --disable-libffi"
1118 # Use win32 native thread/lock apis instead of pthread wrapper.
1119 # (llvm's configure tries to find pthread first, so we have to disable it explicitly.)
1120 # Also note that pthreads works badly on mingw-w64 systems: #8996
1121 case "$CFG_BUILD" in
1123 LLVM_OPTS="$LLVM_OPTS --disable-pthreads"
1129 LLVM_CXX_32="ccache clang++ -Qunused-arguments"
1130 LLVM_CC_32="ccache clang -Qunused-arguments"
1132 LLVM_CXX_64="ccache clang++ -Qunused-arguments"
1133 LLVM_CC_64="ccache clang -Qunused-arguments"
1136 LLVM_CXX_32="clang++ -Qunused-arguments"
1137 LLVM_CC_32="clang -Qunused-arguments"
1139 LLVM_CXX_64="clang++ -Qunused-arguments"
1140 LLVM_CC_64="clang -Qunused-arguments"
1143 LLVM_CXX_32="ccache g++"
1144 LLVM_CC_32="ccache gcc"
1146 LLVM_CXX_64="ccache g++"
1147 LLVM_CC_64="ccache gcc"
1158 msg "inferring LLVM_CXX/CC from CXX/CC = $CXX/$CC"
1167 case "$CFG_CPUTYPE" in
1169 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1170 LLVM_CC_32="$LLVM_CC_32 -m32"
1172 LLVM_CFLAGS_32="-m32"
1173 LLVM_CXXFLAGS_32="-m32"
1174 LLVM_LDFLAGS_32="-m32"
1180 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1181 LLVM_CC_32="$LLVM_CC_32 -m32"
1195 if echo $t | grep -q x86_64
1197 LLVM_CXX=$LLVM_CXX_64
1199 LLVM_CFLAGS=$LLVM_CFLAGS_64
1200 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
1201 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
1203 LLVM_CXX=$LLVM_CXX_32
1205 LLVM_CFLAGS=$LLVM_CFLAGS_32
1206 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
1207 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
1213 CXXFLAGS=$LLVM_CXXFLAGS
1214 LDFLAGS=$LLVM_LDFLAGS
1216 if [ -z "$CFG_DISABLE_LIBCPP" ] && [ -n "$CFG_USING_CLANG" ]; then
1217 LLVM_OPTS="$LLVM_OPTS --enable-libcpp"
1220 LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
1221 $LLVM_HOST $LLVM_TARGET --with-python=$CFG_PYTHON"
1223 msg "configuring LLVM with:"
1233 case $CFG_SRC_DIR in
1234 /* | [a-z]:* | [A-Z]:*)
1235 ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
1238 ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
1242 need_ok "LLVM configure failed"
1247 # Construct variables for LLVM build and install directories for
1248 # each target. These will be named
1249 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
1250 # target_triple will be converted to underscore, because bash
1251 # variables can't contain hyphens. The makefile will then have to
1253 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1254 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1255 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
1256 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
1260 step_msg "writing configuration"
1263 putvar CFG_BUILD_DIR
1266 putvar CFG_CONFIGURE_ARGS
1270 putvar CFG_LIBDIR_RELATIVE
1271 putvar CFG_DISABLE_MANAGE_SUBMODULES
1274 # Avoid spurious warnings from clang by feeding it original source on
1275 # ccache-miss rather than preprocessed input.
1276 if [ ! -z "$CFG_ENABLE_CCACHE" ] && [ ! -z "$CFG_USING_CLANG" ]
1279 putvar CFG_CCACHE_CPP2
1282 if [ ! -z "$CFG_ENABLE_CCACHE" ]
1284 CFG_CCACHE_BASEDIR=${CFG_SRC_DIR}
1285 putvar CFG_CCACHE_BASEDIR
1289 if [ ! -z $BAD_PANDOC ]
1295 putvar CFG_LLVM_SRC_DIR
1299 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1300 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1301 putvar $CFG_LLVM_BUILD_DIR
1302 putvar $CFG_LLVM_INST_DIR
1305 # Munge any paths that appear in config.mk back to posix-y
1306 perl -i.bak -p -e 's@ ([a-zA-Z]):[/\\]@ /\1/@go;' \
1307 -e 's@\\@/@go;' config.tmp
1308 rm -f config.tmp.bak
1311 copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile
1312 move_if_changed config.tmp config.mk
1317 msg "run \`make help\`"