14 echo "configure: WARNING: $1"
18 echo "configure: error: $1"
30 if command -v $1 >/dev/null 2>&1
31 then msg "found program $1"
32 else err "need program $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
85 printf "configure: %-20s := %.35s ...\n" $1 "$T"
87 printf "configure: %-20s := %s %s\n" $1 "$T" "$2"
91 printf "%-20s := \n" $1 >>config.tmp
93 printf "%-20s := \"%s\"\n" $1 "$T" >>config.tmp
104 T=$(command -v $P 2>&1)
107 VER0=$($P --version 2>/dev/null | head -1 \
108 | sed -e 's/[^0-9]*\([vV]\?[0-9.]\+[^ ]*\).*/\1/' )
109 if [ $? -eq 0 -a "x${VER0}" != "x" ]
131 err "needed, but unable to find any of: $*"
136 for arg in $CFG_CONFIGURE_ARGS
139 for option in $BOOL_OPTIONS
141 if test --disable-$option = $arg
145 if test --enable-$option = $arg
150 for option in $VAL_OPTIONS
152 if echo "$arg" | grep -q -- "--$option="
157 if [ "$arg" = "--help" ]
160 echo "No more help available for Configure options,"
161 echo "check the Wiki or join our IRC channel"
164 if test $isArgValid -eq 0
166 err "Option '$arg' is not recognized"
172 # `valopt OPTION_NAME DEFAULT DOC` extracts a string-valued option
173 # from command line, using provided default value for the option if
174 # not present, and saves it to the generated config.mk.
176 # `valopt_nosave` is much the same, except that it does not save the
177 # result to config.mk (instead the script should use `putvar` itself
178 # later on to save it). `valopt_core` is the core upon which the
179 # other two are built.
182 VAL_OPTIONS="$VAL_OPTIONS $2"
193 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
196 for arg in $CFG_CONFIGURE_ARGS
198 if echo "$arg" | grep -q -- "--$OP="
200 val=$(echo "$arg" | cut -f2 -d=)
204 if [ "$SAVE" = "save" ]
213 OP="${OP}=[${DEFAULT}]"
214 printf " --%-30s %s\n" "$OP" "$DOC"
219 valopt_core nosave "$@"
223 valopt_core save "$@"
226 # `opt OPTION_NAME DEFAULT DOC` extracts a boolean-valued option from
227 # command line, using the provided default value (0/1) for the option
228 # if not present, and saves it to the generated config.mk.
230 # `opt_nosave` is much the same, except that it does not save the
231 # result to config.mk (instead the script should use `putvar` itself
232 # later on to save it). `opt_core` is the core upon which the other
236 BOOL_OPTIONS="$BOOL_OPTIONS $2"
247 if [ $DEFAULT -eq 0 ]
257 for arg in $CFG_CONFIGURE_ARGS
259 if [ "$arg" = "--${FLAG}-${OP}" ]
261 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
262 FLAG=$(echo $FLAG | tr 'a-z' 'A-Z')
263 local V="CFG_${FLAG}_${OP}"
265 if [ "$SAVE" = "save" ]
276 printf " --%-30s %s\n" "$FLAG-$OP" "$DOC"
290 local V="CFG_${NAME}"
293 # If configure didn't set a value already, then check environment.
295 # (It is recommended that the configure script always check the
296 # environment before setting any values to envopt variables; see
297 # e.g. how CFG_CC is handled, where it first checks `-z "$CC"`,
298 # and issues msg if it ends up employing that provided value.)
305 # If script or environment provided a value, save it.
314 i686-w64-mingw32) echo i686-pc-windows-gnu ;;
315 x86_64-w64-mingw32) echo x86_64-pc-windows-gnu ;;
322 i686-pc-windows-gnu) echo i686-w64-mingw32 ;;
323 x86_64-pc-windows-gnu) echo x86_64-w64-mingw32 ;;
328 msg "looking for configure programs"
345 msg "inspecting environment"
347 CFG_OSTYPE=$(uname -s)
348 CFG_CPUTYPE=$(uname -m)
350 if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
352 # Darwin's `uname -s` lies and always returns i386. We have to use sysctl
354 if sysctl hw.optional.x86_64 | grep -q ': 1'
360 # The goal here is to come up with the same triple as LLVM would,
361 # at least for the subset of platforms we're willing to target.
366 CFG_OSTYPE=unknown-linux-gnu
370 CFG_OSTYPE=unknown-freebsd
374 CFG_OSTYPE=unknown-dragonfly
378 CFG_OSTYPE=unknown-bitrig
382 CFG_OSTYPE=unknown-openbsd
386 CFG_OSTYPE=apple-darwin
390 # msys' `uname` does not print gcc configuration, but prints msys
391 # configuration. so we cannot believe `uname -m`:
392 # msys1 is always i686 and msys2 is always x86_64.
393 # instead, msys defines $MSYSTEM which is MINGW32 on i686 and
396 CFG_OSTYPE=pc-windows-gnu
397 if [ "$MSYSTEM" = MINGW64 ]
404 CFG_OSTYPE=pc-windows-gnu
407 # Thad's Cygwin identifiers below
411 CFG_OSTYPE=pc-windows-gnu
417 CFG_OSTYPE=pc-windows-gnu
423 CFG_OSTYPE=pc-windows-gnu
429 CFG_OSTYPE=pc-windows-gnu
433 # Win 8 # uname -s on 64-bit cygwin does not contain WOW64, so simply use uname -m to detect arch (works in my install)
435 CFG_OSTYPE=pc-windows-gnu
437 # We do not detect other OS such as XP/2003 using 64 bit using uname.
438 # 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.
440 err "unknown OS type: $CFG_OSTYPE"
447 i386 | i486 | i686 | i786 | x86)
457 CFG_OSTYPE="${CFG_OSTYPE}eabihf"
464 # At some point, when ppc64[le] support happens, this will need to do
465 # something clever. For now it's safe to assume that we're only ever
466 # interested in building 32 bit.
467 powerpc | ppc | ppc64)
471 x86_64 | x86-64 | x64 | amd64)
476 err "unknown CPU type: $CFG_CPUTYPE"
479 # Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
480 if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
482 # $SHELL does not exist in standard 'sh', so probably only exists
483 # if configure is running in an interactive bash shell. /usr/bin/env
484 # exists *everywhere*.
485 BIN_TO_PROBE="$SHELL"
486 if [ -z "$BIN_TO_PROBE" -a -e "/usr/bin/env" ]; then
487 BIN_TO_PROBE="/usr/bin/env"
489 if [ -n "$BIN_TO_PROBE" ]; then
490 file -L "$BIN_TO_PROBE" | grep -q "x86[_-]64"
498 DEFAULT_BUILD="${CFG_CPUTYPE}-${CFG_OSTYPE}"
500 CFG_SRC_DIR="$(cd $(dirname $0) && pwd)/"
501 CFG_BUILD_DIR="$(pwd)/"
503 CFG_CONFIGURE_ARGS="$@"
507 if [ "$1" = "--help" ]
512 echo "Usage: $CFG_SELF [options]"
517 msg "recreating config.tmp"
520 step_msg "processing $CFG_SELF args"
526 opt valgrind 0 "run tests with valgrind (memcheck by default)"
527 opt helgrind 0 "run tests with helgrind instead of memcheck"
528 opt valgrind-rpass 1 "run rpass-valgrind tests with valgrind"
529 opt docs 1 "build standard library documentation"
530 opt compiler-docs 0 "build compiler documentation"
531 opt optimize 1 "build optimized rust code"
532 opt optimize-cxx 1 "build optimized C++ code"
533 opt optimize-llvm 1 "build optimized LLVM"
534 opt optimize-tests 1 "build tests with optimizations"
535 opt libcpp 1 "build with llvm with libc++ instead of libstdc++ when using clang"
536 opt llvm-assertions 1 "build LLVM with assertions"
537 opt debug-assertions 0 "build with extra debug fun"
538 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
539 opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
540 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
541 opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
542 opt rpath 0 "build rpaths into rustc itself"
543 # This is used by the automation to produce single-target nightlies
544 opt dist-host-only 0 "only install bins for the host architecture"
545 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
546 opt llvm-version-check 1 "don't check if the LLVM version is supported, build anyway"
548 valopt localstatedir "/var/lib" "local state directory"
549 valopt sysconfdir "/etc" "install system configuration files"
551 valopt datadir "${CFG_PREFIX}/share" "install data"
552 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
553 valopt llvm-root "" "set LLVM root"
554 valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located"
555 valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
556 valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path"
557 valopt release-channel "dev" "the name of the release channel to build"
559 # Many of these are saved below during the "writing configuration" step
560 # (others are conditionally saved).
561 opt_nosave manage-submodules 1 "let the build manage the git submodules"
562 opt_nosave clang 0 "prefer clang to gcc for building the runtime"
563 opt_nosave jemalloc 1 "build liballoc with jemalloc"
565 valopt_nosave prefix "/usr/local" "set installation prefix"
566 valopt_nosave local-rust-root "/usr/local" "set prefix for local rust binary"
567 valopt_nosave host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
568 valopt_nosave target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
569 valopt_nosave mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
571 # Temporarily support old triples until buildbots get updated
572 CFG_BUILD=$(to_llvm_triple $CFG_BUILD)
573 putvar CFG_BUILD # Yes, this creates a duplicate entry, but the last one wins.
574 CFG_HOST=$(to_llvm_triple $CFG_HOST)
575 CFG_TARGET=$(to_llvm_triple $CFG_TARGET)
577 # On windows we just store the libraries in the bin directory because
578 # there's no rpath. This is where the build system itself puts libraries;
579 # --libdir is used to configure the installation directory.
580 # FIXME: This needs to parameterized over target triples. Do it in platform.mk
581 if [ "$CFG_OSTYPE" = "pc-windows-gnu" ]
583 CFG_LIBDIR_RELATIVE=bin
585 CFG_LIBDIR_RELATIVE=lib
588 valopt libdir "${CFG_PREFIX}/${CFG_LIBDIR_RELATIVE}" "install libraries (do not set it on windows platform)"
590 case "$CFG_LIBDIR" in
591 "$CFG_PREFIX"/*) CAT_INC=2;;
592 "$CFG_PREFIX"*) CAT_INC=1;;
594 err "libdir must begin with the prefix. Use --prefix to set it accordingly.";;
597 CFG_LIBDIR_RELATIVE=`echo ${CFG_LIBDIR} | cut -c$((${#CFG_PREFIX}+${CAT_INC}))-`
599 if [ "$CFG_OSTYPE" = "pc-windows-gnu" ] && [ "$CFG_LIBDIR_RELATIVE" != "bin" ]; then
600 err "libdir on windows should be set to 'bin'"
610 step_msg "validating $CFG_SELF args"
613 # Validate the release channel
614 case "$CFG_RELEASE_CHANNEL" in
615 (dev | nightly | beta | stable)
618 err "release channel must be 'dev', 'nightly', 'beta' or 'stable'"
622 # A magic value that allows the compiler to use unstable features
623 # during the bootstrap even when doing so would normally be an error
624 # because of feature staging or because the build turns on
625 # warnings-as-errors and unstable features default to warnings. The
626 # build has to match this key in an env var. Meant to be a mild
627 # deterrent from users just turning on unstable features on the stable
629 # Basing CFG_BOOTSTRAP_KEY on CFG_BOOTSTRAP_KEY lets it get picked up
630 # during a Makefile reconfig.
631 CFG_BOOTSTRAP_KEY="${CFG_BOOTSTRAP_KEY-`date +%H:%M:%S`}"
632 putvar CFG_BOOTSTRAP_KEY
634 step_msg "looking for build programs"
636 probe_need CFG_CURLORWGET curl wget
637 probe_need CFG_PYTHON python2.7 python2.6 python2 python
639 python_version=$($CFG_PYTHON -V 2>&1)
640 if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then
641 err "Found $python_version, but LLVM requires Python 2.4-2.7"
644 # If we have no git directory then we are probably a tarball distribution
645 # and shouldn't attempt to load submodules
646 if [ ! -e ${CFG_SRC_DIR}.git ]
649 msg "git: no git directory. disabling submodules"
650 CFG_DISABLE_MANAGE_SUBMODULES=1
652 probe_need CFG_GIT git
655 probe CFG_CLANG clang++
656 probe CFG_CCACHE ccache
659 probe CFG_VALGRIND valgrind
662 probe CFG_ANTLR4 antlr4
665 probe CFG_BISON bison
666 probe CFG_PANDOC pandoc
667 probe CFG_XELATEX xelatex
671 # On MacOS X, invoking `javac` pops up a dialog if the JDK is not
672 # installed. Since `javac` is only used if `antlr4` is available,
673 # probe for it only in this case.
674 if [ ! -z "$CFG_ANTLR4" ]
676 probe CFG_JAVAC javac
679 if [ ! -z "$CFG_GDB" ]
681 # Store GDB's version
682 CFG_GDB_VERSION=$($CFG_GDB --version 2>/dev/null | head -1)
683 putvar CFG_GDB_VERSION
686 if [ ! -z "$CFG_LLDB" ]
688 # Store LLDB's version
689 CFG_LLDB_VERSION=$($CFG_LLDB --version 2>/dev/null | head -1)
690 putvar CFG_LLDB_VERSION
692 # If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
693 # LLDB via the -P commandline options.
694 if [ -z "$CFG_LLDB_PYTHON_DIR" ] || [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
696 CFG_LLDB_PYTHON_DIR=$($CFG_LLDB -P)
698 # If CFG_LLDB_PYTHON_DIR is not a valid directory, set it to something more readable
699 if [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
701 CFG_LLDB_PYTHON_DIR="LLDB_PYTHON_DIRECTORY_NOT_FOUND"
704 putvar CFG_LLDB_PYTHON_DIR
708 step_msg "looking for target specific programs"
712 if [ ! -z "$CFG_PANDOC" ]
714 # Extract "MAJOR MINOR" from Pandoc's version number
715 PV_MAJOR_MINOR=$(pandoc --version | grep '^pandoc' |
716 sed -E 's/pandoc(.exe)? ([0-9]+)\.([0-9]+).*/\2 \3/')
721 # these patterns are shell globs, *not* regexps
722 PV_MAJOR=${PV_MAJOR_MINOR% *}
723 PV_MINOR=${PV_MAJOR_MINOR#* }
725 if [ "$PV_MAJOR" -lt "$MIN_PV_MAJOR" ] || [ "$PV_MINOR" -lt "$MIN_PV_MINOR" ]
727 step_msg "pandoc $PV_MAJOR.$PV_MINOR is too old. Need at least $MIN_PV_MAJOR.$MIN_PV_MINOR. Disabling"
733 if [ "$CFG_OSTYPE" = "pc-windows-gnu" ]
738 if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ]
740 system_rustc=$(which rustc)
741 if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
743 : # everything already configured
744 elif [ -n "$system_rustc" ]
746 # we assume that rustc is in a /bin directory
747 CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc}
749 err "no local rust to use"
752 CMD="${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF}"
756 step_msg "failure while running $CMD --version"
759 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
760 putvar CFG_LOCAL_RUST_ROOT
763 # Force freebsd to build with clang; gcc doesn't like us there
764 if [ $CFG_OSTYPE = unknown-freebsd ]
766 step_msg "on FreeBSD, forcing use of clang"
770 # Force bitrig to build with clang; gcc doesn't like us there
771 if [ $CFG_OSTYPE = unknown-bitrig ]
773 step_msg "on Bitrig, forcing use of clang, disabling jemalloc"
775 CFG_DISABLE_JEMALLOC=1
778 if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
780 err "either clang or gcc is required"
783 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
784 # system, so if we find that gcc is clang, we should just use clang directly.
785 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
787 CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version")
790 step_msg "on OS X 10.9, forcing use of clang"
793 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
794 step_msg "older GCC found, using clang instead"
797 # on OS X, with xcode 5 and newer, certain developers may have
798 # cc, gcc and g++ point to a mixture of clang and gcc
799 # if so, this will create very strange build errors
800 # this last stanza is to detect some such problems and save the future rust
801 # contributor some time solving that issue.
802 # this detection could be generalized to other OSes aside from OS X
803 # but the issue seems most likely to happen on OS X
806 $1 --version 2> /dev/null | grep -q $2
808 # check that gcc, cc and g++ all point to the same compiler.
809 # note that for xcode 5, g++ points to clang, not clang++
810 if !((chk_cc gcc clang && chk_cc g++ clang) ||
811 (chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))); then
812 err "the gcc and g++ in your path point to different compilers.
813 Check which versions are in your path with gcc --version and g++ --version.
814 To resolve this problem, either fix your PATH or run configure with --enable-clang"
821 # Okay, at this point, we have made up our minds about whether we are
822 # going to force CFG_ENABLE_CLANG or not; save the setting if so.
823 if [ ! -z "$CFG_ENABLE_CLANG" ]
825 putvar CFG_ENABLE_CLANG
828 # Same with jemalloc. save the setting here.
829 if [ ! -z "$CFG_DISABLE_JEMALLOC" ]
831 putvar CFG_DISABLE_JEMALLOC
834 if [ ! -z "$CFG_LLVM_ROOT" -a -z "$CFG_DISABLE_LLVM_VERSION_CHECK" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
836 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
838 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
839 LLVM_VERSION=$($LLVM_CONFIG --version)
841 case $LLVM_VERSION in
843 msg "found ok version of LLVM: $LLVM_VERSION"
846 err "bad LLVM version: $LLVM_VERSION, need >=3.5"
851 # Even when the user overrides the choice of CC, still try to detect
852 # clang to disable some clang-specific warnings. We here draw a
853 # distinction between:
855 # CFG_ENABLE_CLANG : passed --enable-clang, or host "requires" clang,
856 # CFG_USING_CLANG : compiler (clang / gcc / $CC) looks like clang.
858 # This distinction is important because there are some safeguards we
859 # would prefer to skip when merely CFG_USING_CLANG is set; but when
860 # CFG_ENABLE_CLANG is set, that indicates that we are opting into
861 # running such safeguards.
865 msg "skipping compiler inference steps; using provided CC=$CC"
868 CFG_OSX_CC_VERSION=$("$CFG_CC" --version 2>&1 | grep "clang")
871 step_msg "note, user-provided CC looks like clang; CC=$CC."
873 putvar CFG_USING_CLANG
876 if [ ! -z "$CFG_ENABLE_CLANG" ]
878 if [ -z "$CFG_CLANG" ]
880 err "clang requested but not found"
884 putvar CFG_USING_CLANG
890 if [ ! -z "$CFG_ENABLE_CLANG" ]
892 if [ -z "$CC" ] || [[ $CC == *clang ]]
894 CFG_CLANG_VERSION=$($CFG_CC \
897 | sed 's/.*\(version .*\)/\1/; s/.*based on \(LLVM .*\))/\1/' \
900 case $CFG_CLANG_VERSION in
901 (3.2* | 3.3* | 3.4* | 3.5* | 3.6*)
902 step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
910 err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
914 msg "skipping CFG_ENABLE_CLANG version check; provided CC=$CC"
918 if [ ! -z "$CFG_ENABLE_CCACHE" ]
922 if [ -z "$CFG_CCACHE" ]
924 err "ccache requested but not found"
927 CFG_CC="ccache $CFG_CC"
931 if [ -z "$CC" -a -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
933 err "either clang or gcc is required"
936 # All safeguards based on $CFG_ENABLE_CLANG should occur before this
937 # point in the script; after this point, script logic should inspect
938 # $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG.
940 # Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS}
947 # a little post-processing of various config values
948 CFG_PREFIX=${CFG_PREFIX%/}
949 CFG_MANDIR=${CFG_MANDIR%/}
950 CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
951 CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
952 CFG_SUPPORTED_TARGET=""
953 for target_file in ${CFG_SRC_DIR}mk/cfg/*.mk; do
954 CFG_SUPPORTED_TARGET="${CFG_SUPPORTED_TARGET} $(basename "$target_file" .mk)"
957 # copy host-triples to target-triples so that hosts are a subset of targets
959 for i in $CFG_HOST $CFG_TARGET;
961 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
965 # check target-specific tool-chains
969 for j in $CFG_SUPPORTED_TARGET
977 if [ $L_CHECK = false ]
979 err "unsupported target triples \"$i\" found"
983 arm-linux-androideabi)
985 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc ]
987 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc not found"
989 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ ]
991 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ not found"
993 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar ]
995 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar not found"
1000 if [ $CFG_OSTYPE != apple-darwin ]
1002 err "The iOS target is only supported on Mac OS X"
1011 if [ ! -z "$CFG_PERF" ]
1013 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
1014 if [ -z "$HAVE_PERF_LOGFD" ];
1016 CFG_PERF_WITH_LOGFD=1
1017 putvar CFG_PERF_WITH_LOGFD
1021 step_msg "making directories"
1024 doc doc/std doc/extra \
1037 make_dir $t/rustllvm
1040 for t in $CFG_TARGET
1045 make_dir $t/rt/stage$s
1046 make_dir $t/rt/jemalloc
1049 arch/i386 arch/x86_64 arch/arm arch/aarch64 arch/mips arch/powerpc
1051 make_dir $t/rt/stage$s/$i
1058 for t in $CFG_TARGET
1060 # host lib dir stage0
1061 make_dir $h/stage0/lib
1063 # target bin dir stage0
1064 make_dir $h/stage0/lib/rustlib/$t/bin
1066 # target lib dir stage0
1067 make_dir $h/stage0/lib/rustlib/$t/lib
1072 make_dir $h/stage$i/bin
1075 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE
1078 make_dir $h/stage$i/test
1081 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin
1084 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib
1088 make_dir $h/test/run-pass
1089 make_dir $h/test/run-pass-valgrind
1090 make_dir $h/test/run-pass-fulldeps
1091 make_dir $h/test/run-fail
1092 make_dir $h/test/compile-fail
1093 make_dir $h/test/parse-fail
1094 make_dir $h/test/compile-fail-fulldeps
1095 make_dir $h/test/bench
1096 make_dir $h/test/perf
1097 make_dir $h/test/pretty
1098 make_dir $h/test/debuginfo-gdb
1099 make_dir $h/test/debuginfo-lldb
1100 make_dir $h/test/codegen
1103 # Configure submodules
1104 step_msg "configuring submodules"
1106 # Have to be in the top of src directory for this
1107 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ]
1111 msg "git: submodule sync"
1112 "${CFG_GIT}" submodule sync
1114 msg "git: submodule init"
1115 "${CFG_GIT}" submodule init
1117 # Disable submodules that we're not using
1118 if [ ! -z "${CFG_LLVM_ROOT}" ]; then
1119 msg "git: submodule deinit src/llvm"
1120 "${CFG_GIT}" submodule deinit src/llvm
1122 if [ ! -z "${CFG_JEMALLOC_ROOT}" ]; then
1123 msg "git: submodule deinit src/jemalloc"
1124 "${CFG_GIT}" submodule deinit src/jemalloc
1127 msg "git: submodule update"
1128 "${CFG_GIT}" submodule update
1129 need_ok "git failed"
1131 msg "git: submodule foreach sync"
1132 "${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
1133 need_ok "git failed"
1135 msg "git: submodule foreach update"
1136 "${CFG_GIT}" submodule update --recursive
1137 need_ok "git failed"
1139 # NB: this is just for the sake of getting the submodule SHA1 values
1140 # and status written into the build log.
1141 msg "git: submodule status"
1142 "${CFG_GIT}" submodule status --recursive
1144 msg "git: submodule clobber"
1145 "${CFG_GIT}" submodule foreach --recursive git clean -dxf
1146 need_ok "git failed"
1147 "${CFG_GIT}" submodule foreach --recursive git checkout .
1148 need_ok "git failed"
1153 # Configure llvm, only if necessary
1154 step_msg "looking at LLVM"
1155 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
1160 if [ -z $CFG_LLVM_ROOT ]
1162 LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm
1163 if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
1165 LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
1166 # Just use LLVM straight from its build directory to
1167 # avoid 'make install' time
1168 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
1170 LLVM_DBG_OPTS="--enable-optimized"
1171 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
1173 if [ ! -z "$CFG_DISABLE_LLVM_ASSERTIONS" ]
1175 LLVM_ASSERTION_OPTS="--disable-assertions"
1177 LLVM_ASSERTION_OPTS="--enable-assertions"
1178 LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts
1181 msg "not reconfiguring LLVM, external LLVM root"
1182 # The user is using their own LLVM
1184 LLVM_INST_DIR=$CFG_LLVM_ROOT
1189 if [ ${do_reconfigure} -ne 0 ]
1191 # because git is hilarious, it might have put the module index
1192 # in a couple places.
1193 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
1194 index2="${CFG_SRC_DIR}src/llvm/.git/index"
1195 for index in ${index1} ${index2}
1197 config_status="${LLVM_BUILD_DIR}/config.status"
1198 if test -e ${index} -a \
1199 -e ${config_status} -a \
1200 ${config_status} -nt ${index}
1202 msg "not reconfiguring LLVM, config.status is fresh"
1208 if [ ${do_reconfigure} -ne 0 ]
1210 # LLVM's configure doesn't recognize the new Windows triples yet
1211 gnu_t=$(to_gnu_triple $t)
1213 msg "configuring LLVM for $gnu_t"
1215 LLVM_TARGETS="--enable-targets=x86,x86_64,arm,aarch64,mips,powerpc"
1216 LLVM_BUILD="--build=$gnu_t"
1217 LLVM_HOST="--host=$gnu_t"
1218 LLVM_TARGET="--target=$gnu_t"
1220 # Disable unused LLVM features
1221 LLVM_OPTS="$LLVM_DBG_OPTS $LLVM_ASSERTION_OPTS --disable-docs --enable-bindings=none"
1222 # Disable term-info, linkage of which comes in multiple forms,
1223 # making our snapshots incompatible (#9334)
1224 LLVM_OPTS="$LLVM_OPTS --disable-terminfo"
1225 # Try to have LLVM pull in as few dependencies as possible (#9397)
1226 LLVM_OPTS="$LLVM_OPTS --disable-zlib --disable-libffi"
1228 # Use win32 native thread/lock apis instead of pthread wrapper.
1229 # (llvm's configure tries to find pthread first, so we have to disable it explicitly.)
1230 # Also note that pthreads works badly on mingw-w64 systems: #8996
1231 case "$CFG_BUILD" in
1233 LLVM_OPTS="$LLVM_OPTS --disable-pthreads"
1239 LLVM_CXX_32="ccache clang++ -Qunused-arguments"
1240 LLVM_CC_32="ccache clang -Qunused-arguments"
1242 LLVM_CXX_64="ccache clang++ -Qunused-arguments"
1243 LLVM_CC_64="ccache clang -Qunused-arguments"
1246 LLVM_CXX_32="clang++ -Qunused-arguments"
1247 LLVM_CC_32="clang -Qunused-arguments"
1249 LLVM_CXX_64="clang++ -Qunused-arguments"
1250 LLVM_CC_64="clang -Qunused-arguments"
1253 LLVM_CXX_32="ccache g++"
1254 LLVM_CC_32="ccache gcc"
1256 LLVM_CXX_64="ccache g++"
1257 LLVM_CC_64="ccache gcc"
1268 msg "inferring LLVM_CXX/CC from CXX/CC = $CXX/$CC"
1277 case "$CFG_CPUTYPE" in
1279 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1280 LLVM_CC_32="$LLVM_CC_32 -m32"
1282 LLVM_CFLAGS_32="-m32"
1283 LLVM_CXXFLAGS_32="-m32"
1284 LLVM_LDFLAGS_32="-m32"
1290 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1291 LLVM_CC_32="$LLVM_CC_32 -m32"
1305 if echo $t | grep -q x86_64
1307 LLVM_CXX=$LLVM_CXX_64
1309 LLVM_CFLAGS=$LLVM_CFLAGS_64
1310 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
1311 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
1313 LLVM_CXX=$LLVM_CXX_32
1315 LLVM_CFLAGS=$LLVM_CFLAGS_32
1316 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
1317 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
1323 CXXFLAGS=$LLVM_CXXFLAGS
1324 LDFLAGS=$LLVM_LDFLAGS
1326 if [ -z "$CFG_DISABLE_LIBCPP" ] && [ -n "$CFG_USING_CLANG" ]; then
1327 LLVM_OPTS="$LLVM_OPTS --enable-libcpp"
1330 LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
1331 $LLVM_HOST $LLVM_TARGET --with-python=$CFG_PYTHON"
1333 msg "configuring LLVM with:"
1343 case $CFG_SRC_DIR in
1344 /* | [a-z]:* | [A-Z]:*)
1345 ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
1348 ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
1352 need_ok "LLVM configure failed"
1357 # Construct variables for LLVM build and install directories for
1358 # each target. These will be named
1359 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
1360 # target_triple will be converted to underscore, because bash
1361 # variables can't contain hyphens. The makefile will then have to
1363 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1364 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1365 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
1366 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
1370 step_msg "writing configuration"
1373 putvar CFG_BUILD_DIR
1376 putvar CFG_CONFIGURE_ARGS
1380 putvar CFG_LIBDIR_RELATIVE
1381 putvar CFG_DISABLE_MANAGE_SUBMODULES
1382 putvar CFG_ANDROID_CROSS_PATH
1385 # Avoid spurious warnings from clang by feeding it original source on
1386 # ccache-miss rather than preprocessed input.
1387 if [ ! -z "$CFG_ENABLE_CCACHE" ] && [ ! -z "$CFG_USING_CLANG" ]
1390 putvar CFG_CCACHE_CPP2
1393 if [ ! -z "$CFG_ENABLE_CCACHE" ]
1395 CFG_CCACHE_BASEDIR=${CFG_SRC_DIR}
1396 putvar CFG_CCACHE_BASEDIR
1400 if [ ! -z $BAD_PANDOC ]
1406 putvar CFG_LLVM_SRC_DIR
1410 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1411 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1412 putvar $CFG_LLVM_BUILD_DIR
1413 putvar $CFG_LLVM_INST_DIR
1416 # Munge any paths that appear in config.mk back to posix-y
1417 cp config.tmp config.tmp.bak
1418 sed -e 's@ \([a-zA-Z]\):[/\\]@ /\1/@g;' <config.tmp.bak >config.tmp
1419 rm -f config.tmp.bak
1422 copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile
1423 move_if_changed config.tmp config.mk
1428 msg "run \`make help\`"