14 echo "configure: WARNING: $1"
18 echo "configure: error: $1"
35 if command -v $1 >/dev/null 2>&1
36 then msg "found program '$1'"
37 else err "program '$1' is missing, please install it"
51 msg "leaving $2 unchanged"
54 chmod u-w $2 # make copied artifact read-only
61 msg "leaving $2 unchanged"
64 chmod u-w $2 # make moved artifact read-only
74 printf "configure: %-20s := %.35s ...\n" $1 "$T"
76 printf "configure: %-20s := %s %s\n" $1 "$T" "$2"
78 printf "%-20s := %s\n" $1 "$T" >>config.tmp
87 printf "configure: %-20s := %.35s ...\n" $1 "$T"
89 printf "configure: %-20s := %s %s\n" $1 "$T" "$2"
93 printf "%-20s := \n" $1 >>config.tmp
95 printf "%-20s := \"%s\"\n" $1 "$T" >>config.tmp
106 T=$(command -v $P 2>&1)
109 VER0=$($P --version 2>/dev/null \
110 | grep -o '[vV]\?[0-9][0-9.][a-z0-9.-]*' | head -1 )
111 if [ $? -eq 0 -a "x${VER0}" != "x" ]
133 err "needed, but unable to find any of: $*"
138 for arg in $CFG_CONFIGURE_ARGS
141 for option in $BOOL_OPTIONS
143 if test --disable-$option = $arg
147 if test --enable-$option = $arg
152 for option in $VAL_OPTIONS
154 if echo "$arg" | grep -q -- "--$option="
159 if [ "$arg" = "--help" ]
162 echo "No more help available for Configure options,"
163 echo "check the Wiki or join our IRC channel"
166 if test $isArgValid -eq 0
168 err "Option '$arg' is not recognized"
174 # `valopt OPTION_NAME DEFAULT DOC` extracts a string-valued option
175 # from command line, using provided default value for the option if
176 # not present, and saves it to the generated config.mk.
178 # `valopt_nosave` is much the same, except that it does not save the
179 # result to config.mk (instead the script should use `putvar` itself
180 # later on to save it). `valopt_core` is the core upon which the
181 # other two are built.
184 VAL_OPTIONS="$VAL_OPTIONS $2"
195 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
197 local V_PROVIDED="${V}_PROVIDED"
199 for arg in $CFG_CONFIGURE_ARGS
201 if echo "$arg" | grep -q -- "--$OP="
203 val=$(echo "$arg" | cut -f2 -d=)
208 if [ "$SAVE" = "save" ]
217 OP="${OP}=[${DEFAULT}]"
218 printf " --%-30s %s\n" "$OP" "$DOC"
223 valopt_core nosave "$@"
227 valopt_core save "$@"
230 # `opt OPTION_NAME DEFAULT DOC` extracts a boolean-valued option from
231 # command line, using the provided default value (0/1) for the option
232 # if not present, and saves it to the generated config.mk.
234 # `opt_nosave` is much the same, except that it does not save the
235 # result to config.mk (instead the script should use `putvar` itself
236 # later on to save it). `opt_core` is the core upon which the other
240 BOOL_OPTIONS="$BOOL_OPTIONS $2"
251 if [ $DEFAULT -eq 0 ]
254 DEFAULT_FLAG="disable"
257 DEFAULT_FLAG="enable"
263 for arg in $CFG_CONFIGURE_ARGS
265 if [ "$arg" = "--${FLAG}-${OP}" ]
267 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
268 FLAG=$(echo $FLAG | tr 'a-z' 'A-Z')
269 local V="CFG_${FLAG}_${OP}"
270 local V_PROVIDED="CFG_${FLAG}_${OP}_PROVIDED"
273 if [ "$SAVE" = "save" ]
277 elif [ "$arg" = "--${DEFAULT_FLAG}-${OP}" ]
279 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
280 DEFAULT_FLAG=$(echo $DEFAULT_FLAG | tr 'a-z' 'A-Z')
281 local V_PROVIDED="CFG_${DEFAULT_FLAG}_${OP}_PROVIDED"
290 printf " --%-30s %s\n" "$FLAG-$OP" "$DOC"
304 local V="CFG_${NAME}"
307 # If configure didn't set a value already, then check environment.
309 # (It is recommended that the configure script always check the
310 # environment before setting any values to envopt variables; see
311 # e.g. how CFG_CC is handled, where it first checks `-z "$CC"`,
312 # and issues msg if it ends up employing that provided value.)
319 # If script or environment provided a value, save it.
328 i686-w64-mingw32) echo i686-pc-windows-gnu ;;
329 x86_64-w64-mingw32) echo x86_64-pc-windows-gnu ;;
336 i686-pc-windows-gnu) echo i686-w64-mingw32 ;;
337 x86_64-pc-windows-gnu) echo x86_64-w64-mingw32 ;;
342 # Prints the absolute path of a directory to stdout
345 # Unset CDPATH because it causes havok: it makes the destination unpredictable
346 # and triggers 'cd' to print the path to stdout. Route `cd`'s output to /dev/null
348 (unset CDPATH && cd "$_path" > /dev/null && pwd)
351 msg "looking for configure programs"
368 msg "inspecting environment"
370 CFG_OSTYPE=$(uname -s)
371 CFG_CPUTYPE=$(uname -m)
373 if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
375 # Darwin's `uname -s` lies and always returns i386. We have to use sysctl
377 if sysctl hw.optional.x86_64 | grep -q ': 1'
383 # The goal here is to come up with the same triple as LLVM would,
384 # at least for the subset of platforms we're willing to target.
389 CFG_OSTYPE=unknown-linux-gnu
393 CFG_OSTYPE=unknown-freebsd
397 CFG_OSTYPE=unknown-dragonfly
401 CFG_OSTYPE=unknown-bitrig
405 CFG_OSTYPE=unknown-openbsd
409 CFG_OSTYPE=unknown-netbsd
413 CFG_OSTYPE=apple-darwin
417 # msys' `uname` does not print gcc configuration, but prints msys
418 # configuration. so we cannot believe `uname -m`:
419 # msys1 is always i686 and msys2 is always x86_64.
420 # instead, msys defines $MSYSTEM which is MINGW32 on i686 and
423 CFG_OSTYPE=pc-windows-gnu
424 if [ "$MSYSTEM" = MINGW64 ]
431 CFG_OSTYPE=pc-windows-gnu
434 # Thad's Cygwin identifiers below
438 CFG_OSTYPE=pc-windows-gnu
444 CFG_OSTYPE=pc-windows-gnu
450 CFG_OSTYPE=pc-windows-gnu
456 CFG_OSTYPE=pc-windows-gnu
460 # Win 8 # uname -s on 64-bit cygwin does not contain WOW64, so simply use uname -m to detect arch (works in my install)
462 CFG_OSTYPE=pc-windows-gnu
464 # We do not detect other OS such as XP/2003 using 64 bit using uname.
465 # 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.
467 err "unknown OS type: $CFG_OSTYPE"
474 i386 | i486 | i686 | i786 | x86)
484 CFG_OSTYPE="${CFG_OSTYPE}eabihf"
491 # At some point, when ppc64[le] support happens, this will need to do
492 # something clever. For now it's safe to assume that we're only ever
493 # interested in building 32 bit.
494 powerpc | ppc | ppc64)
498 x86_64 | x86-64 | x64 | amd64)
503 err "unknown CPU type: $CFG_CPUTYPE"
506 # Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
507 if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
509 # $SHELL does not exist in standard 'sh', so probably only exists
510 # if configure is running in an interactive bash shell. /usr/bin/env
511 # exists *everywhere*.
512 BIN_TO_PROBE="$SHELL"
513 if [ -z "$BIN_TO_PROBE" -a -e "/usr/bin/env" ]; then
514 BIN_TO_PROBE="/usr/bin/env"
516 if [ -n "$BIN_TO_PROBE" ]; then
517 file -L "$BIN_TO_PROBE" | grep -q "x86[_-]64"
525 DEFAULT_BUILD="${CFG_CPUTYPE}-${CFG_OSTYPE}"
527 CFG_SRC_DIR="$(abs_path $(dirname $0))/"
528 CFG_SRC_DIR_RELATIVE="$(dirname $0)/"
529 CFG_BUILD_DIR="$(pwd)/"
531 CFG_CONFIGURE_ARGS="$@"
535 if [ "$1" = "--help" ]
540 echo "Usage: $CFG_SELF [options]"
545 msg "recreating config.tmp"
548 step_msg "processing $CFG_SELF args"
554 opt debug 0 "debug mode; disables optimization unless \`--enable-optimize\` given"
555 opt valgrind 0 "run tests with valgrind (memcheck by default)"
556 opt helgrind 0 "run tests with helgrind instead of memcheck"
557 opt valgrind-rpass 1 "run rpass-valgrind tests with valgrind"
558 opt docs 1 "build standard library documentation"
559 opt compiler-docs 0 "build compiler documentation"
560 opt optimize-tests 1 "build tests with optimizations"
561 opt debuginfo-tests 0 "build tests with debugger metadata"
562 opt libcpp 1 "build with llvm with libc++ instead of libstdc++ when using clang"
563 opt llvm-assertions 0 "build LLVM with assertions"
564 opt debug-assertions 0 "build with debugging assertions"
565 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
566 opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
567 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
568 opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
569 opt rpath 0 "build rpaths into rustc itself"
570 # This is used by the automation to produce single-target nightlies
571 opt dist-host-only 0 "only install bins for the host architecture"
572 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
573 opt llvm-version-check 1 "check if the LLVM version is supported, build anyway"
575 # Optimization and debugging options. These may be overridden by the release channel, etc.
576 opt_nosave optimize 1 "build optimized rust code"
577 opt_nosave optimize-cxx 1 "build optimized C++ code"
578 opt_nosave optimize-llvm 1 "build optimized LLVM"
579 opt_nosave llvm-assertions 0 "build LLVM with assertions"
580 opt_nosave debug-assertions 0 "build with debugging assertions"
581 opt_nosave debuginfo 0 "build with debugger metadata"
582 opt_nosave debug-jemalloc 0 "build jemalloc with --enable-debug --enable-fill"
584 valopt localstatedir "/var/lib" "local state directory"
585 valopt sysconfdir "/etc" "install system configuration files"
587 valopt datadir "${CFG_PREFIX}/share" "install data"
588 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
589 valopt llvm-root "" "set LLVM root"
590 valopt python "" "set path to python"
591 valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located"
592 valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
593 valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path"
594 valopt release-channel "dev" "the name of the release channel to build"
595 valopt musl-root "/usr/local" "MUSL root installation directory"
597 # Many of these are saved below during the "writing configuration" step
598 # (others are conditionally saved).
599 opt_nosave manage-submodules 1 "let the build manage the git submodules"
600 opt_nosave clang 0 "prefer clang to gcc for building the runtime"
601 opt_nosave jemalloc 1 "build liballoc with jemalloc"
602 opt elf-tls 1 "elf thread local storage on platforms where supported"
604 valopt_nosave prefix "/usr/local" "set installation prefix"
605 valopt_nosave local-rust-root "/usr/local" "set prefix for local rust binary"
606 valopt_nosave host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
607 valopt_nosave target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
608 valopt_nosave mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
610 # Temporarily support old triples until buildbots get updated
611 CFG_BUILD=$(to_llvm_triple $CFG_BUILD)
612 putvar CFG_BUILD # Yes, this creates a duplicate entry, but the last one wins.
613 CFG_HOST=$(to_llvm_triple $CFG_HOST)
614 CFG_TARGET=$(to_llvm_triple $CFG_TARGET)
616 # On windows we just store the libraries in the bin directory because
617 # there's no rpath. This is where the build system itself puts libraries;
618 # --libdir is used to configure the installation directory.
619 # FIXME: This needs to parameterized over target triples. Do it in platform.mk
620 if [ "$CFG_OSTYPE" = "pc-windows-gnu" ] || [ "$CFG_OSTYPE" = "pc-windows-msvc" ]
622 CFG_LIBDIR_RELATIVE=bin
624 CFG_LIBDIR_RELATIVE=lib
627 valopt libdir "${CFG_PREFIX}/${CFG_LIBDIR_RELATIVE}" "install libraries (do not set it on windows platform)"
629 case "$CFG_LIBDIR" in
630 "$CFG_PREFIX"/*) CAT_INC=2;;
631 "$CFG_PREFIX"*) CAT_INC=1;;
633 err "libdir must begin with the prefix. Use --prefix to set it accordingly.";;
636 CFG_LIBDIR_RELATIVE=`echo ${CFG_LIBDIR} | cut -c$((${#CFG_PREFIX}+${CAT_INC}))-`
638 if ( [ "$CFG_OSTYPE" = "pc-windows-gnu" ] || [ "$CFG_OSTYPE" = "pc-windows-msvc" ] ) \
639 && [ "$CFG_LIBDIR_RELATIVE" != "bin" ]; then
640 err "libdir on windows should be set to 'bin'"
650 step_msg "validating $CFG_SELF args"
653 # Validate the release channel, and configure options
654 case "$CFG_RELEASE_CHANNEL" in
656 msg "overriding settings for $CFG_RELEASE_CHANNEL"
657 CFG_ENABLE_LLVM_ASSERTIONS=1
662 err "release channel must be 'dev', 'nightly', 'beta' or 'stable'"
666 # Adjust perf and debug options for debug mode
667 if [ -n "$CFG_ENABLE_DEBUG" ]; then
668 msg "debug mode enabled, setting performance options"
669 if [ -z "$CFG_ENABLE_OPTIMIZE_PROVIDED" ]; then
670 msg "optimization not explicitly enabled, disabling optimization"
671 CFG_DISABLE_OPTIMIZE=1
672 CFG_DISABLE_OPTIMIZE_CXX=1
674 CFG_ENABLE_DEBUG_ASSERTIONS=1
675 CFG_ENABLE_DEBUG_JEMALLOC=1
676 CFG_ENABLE_DEBUGINFO=1
677 CFG_ENABLE_LLVM_ASSERTIONS=1
680 # OK, now write the debugging options
681 if [ -n "$CFG_DISABLE_OPTIMIZE" ]; then putvar CFG_DISABLE_OPTIMIZE; fi
682 if [ -n "$CFG_DISABLE_OPTIMIZE_CXX" ]; then putvar CFG_DISABLE_OPTIMIZE_CXX; fi
683 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then putvar CFG_DISABLE_OPTIMIZE_LLVM; fi
684 if [ -n "$CFG_ENABLE_LLVM_ASSERTIONS" ]; then putvar CFG_ENABLE_LLVM_ASSERTIONS; fi
685 if [ -n "$CFG_ENABLE_DEBUG_ASSERTIONS" ]; then putvar CFG_ENABLE_DEBUG_ASSERTIONS; fi
686 if [ -n "$CFG_ENABLE_DEBUGINFO" ]; then putvar CFG_ENABLE_DEBUGINFO; fi
687 if [ -n "$CFG_ENABLE_DEBUG_JEMALLOC" ]; then putvar CFG_ENABLE_DEBUG_JEMALLOC; fi
689 # A magic value that allows the compiler to use unstable features
690 # during the bootstrap even when doing so would normally be an error
691 # because of feature staging or because the build turns on
692 # warnings-as-errors and unstable features default to warnings. The
693 # build has to match this key in an env var. Meant to be a mild
694 # deterrent from users just turning on unstable features on the stable
696 # Basing CFG_BOOTSTRAP_KEY on CFG_BOOTSTRAP_KEY lets it get picked up
697 # during a Makefile reconfig.
698 CFG_BOOTSTRAP_KEY="${CFG_BOOTSTRAP_KEY-`date +%H:%M:%S`}"
699 putvar CFG_BOOTSTRAP_KEY
701 step_msg "looking for build programs"
703 probe_need CFG_CURLORWGET curl wget
704 if [ -z "$CFG_PYTHON_PROVIDED" ]; then
705 probe_need CFG_PYTHON python2.7 python2.6 python2 python
708 python_version=$($CFG_PYTHON -V 2>&1)
709 if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then
710 err "Found $python_version, but LLVM requires Python 2.4-2.7"
713 # If we have no git directory then we are probably a tarball distribution
714 # and shouldn't attempt to load submodules
715 if [ ! -e ${CFG_SRC_DIR}.git ]
718 msg "git: no git directory. disabling submodules"
719 CFG_DISABLE_MANAGE_SUBMODULES=1
721 probe_need CFG_GIT git
724 # Use `md5sum` on GNU platforms, or `md5 -q` on BSD
726 probe CFG_MD5SUM md5sum
729 CFG_HASH_COMMAND="$CFG_MD5 -q | cut -c 1-8"
730 elif [ -n "$CFG_MD5SUM" ]
732 CFG_HASH_COMMAND="$CFG_MD5SUM | cut -c 1-8"
734 err 'could not find one of: md5 md5sum'
736 putvar CFG_HASH_COMMAND
738 probe CFG_CLANG clang++
739 probe CFG_CCACHE ccache
742 probe CFG_VALGRIND valgrind
745 probe CFG_ANTLR4 antlr4
748 probe CFG_BISON bison
749 probe CFG_PANDOC pandoc
750 probe CFG_XELATEX xelatex
754 # On MacOS X, invoking `javac` pops up a dialog if the JDK is not
755 # installed. Since `javac` is only used if `antlr4` is available,
756 # probe for it only in this case.
757 if [ ! -z "$CFG_ANTLR4" ]
759 probe CFG_JAVAC javac
762 # the valgrind rpass tests will fail if you don't have a valgrind, but they're
763 # only disabled if you opt out.
764 if [ -z "$CFG_VALGRIND" ]
766 # If the user has explicitly asked for valgrind tests, then fail
767 if [ -n "$CFG_ENABLE_VALGRIND" ] && [ -n "$CFG_ENABLE_VALGRIND_PROVIDED" ]
769 err "No valgrind present, but valgrind tests explicitly requested"
771 CFG_DISABLE_VALGRIND_RPASS=1
772 putvar CFG_DISABLE_VALGRIND_RPASS
776 if [ ! -z "$CFG_GDB" ]
778 # Store GDB's version
779 CFG_GDB_VERSION=$($CFG_GDB --version 2>/dev/null | head -1)
780 putvar CFG_GDB_VERSION
783 if [ ! -z "$CFG_LLDB" ]
785 # Store LLDB's version
786 CFG_LLDB_VERSION=$($CFG_LLDB --version 2>/dev/null | head -1)
787 putvar CFG_LLDB_VERSION
789 # If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
790 # LLDB via the -P commandline options.
791 if [ -z "$CFG_LLDB_PYTHON_DIR" ] || [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
793 CFG_LLDB_PYTHON_DIR=$($CFG_LLDB -P)
795 # If CFG_LLDB_PYTHON_DIR is not a valid directory, set it to something more readable
796 if [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
798 CFG_LLDB_PYTHON_DIR="LLDB_PYTHON_DIRECTORY_NOT_FOUND"
801 putvar CFG_LLDB_PYTHON_DIR
805 step_msg "looking for target specific programs"
809 if [ ! -z "$CFG_PANDOC" ]
811 # Extract "MAJOR MINOR" from Pandoc's version number
812 PV_MAJOR_MINOR=$(pandoc --version | grep '^pandoc' |
813 sed -E 's/pandoc(.exe)? ([0-9]+)\.([0-9]+).*/\2 \3/')
818 # these patterns are shell globs, *not* regexps
819 PV_MAJOR=${PV_MAJOR_MINOR% *}
820 PV_MINOR=${PV_MAJOR_MINOR#* }
822 if [ "$PV_MAJOR" -lt "$MIN_PV_MAJOR" ] || [ "$PV_MINOR" -lt "$MIN_PV_MINOR" ]
824 step_msg "pandoc $PV_MAJOR.$PV_MINOR is too old. Need at least $MIN_PV_MAJOR.$MIN_PV_MINOR. Disabling"
830 if [ "$CFG_OSTYPE" = "pc-windows-gnu" ] || [ "$CFG_OSTYPE" = "pc-windows-msvc" ]
835 if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ]
837 system_rustc=$(which rustc)
838 if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
840 : # everything already configured
841 elif [ -n "$system_rustc" ]
843 # we assume that rustc is in a /bin directory
844 CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc}
846 err "no local rust to use"
849 CMD="${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF}"
853 step_msg "failure while running $CMD --version"
856 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
857 putvar CFG_LOCAL_RUST_ROOT
860 # Force bitrig to build with clang; gcc doesn't like us there
861 if [ $CFG_OSTYPE = unknown-bitrig ]
863 step_msg "on Bitrig, forcing use of clang, disabling jemalloc"
865 CFG_DISABLE_JEMALLOC=1
868 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
869 # system, so if we find that gcc is clang, we should just use clang directly.
870 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
872 CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version")
875 step_msg "on OS X >=10.9, forcing use of clang"
878 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
879 step_msg "older GCC found, using clang instead"
882 # on OS X, with xcode 5 and newer, certain developers may have
883 # cc, gcc and g++ point to a mixture of clang and gcc
884 # if so, this will create very strange build errors
885 # this last stanza is to detect some such problems and save the future rust
886 # contributor some time solving that issue.
887 # this detection could be generalized to other OSes aside from OS X
888 # but the issue seems most likely to happen on OS X
891 $1 --version 2> /dev/null | grep -q $2
893 # check that gcc, cc and g++ all point to the same compiler.
894 # note that for xcode 5, g++ points to clang, not clang++
895 if !((chk_cc gcc clang && chk_cc g++ clang) ||
896 (chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))); then
897 err "the gcc and g++ in your path point to different compilers.
898 Check which versions are in your path with gcc --version and g++ --version.
899 To resolve this problem, either fix your PATH or run configure with --enable-clang"
906 # If the clang isn't already enabled, check for GCC, and if it is missing, turn
907 # on clang as a backup.
908 if [ -z "$CFG_ENABLE_CLANG" ]
910 CFG_GCC_VERSION=$("$CFG_GCC" --version 2>&1)
913 step_msg "GCC not installed, will try using Clang"
918 # Okay, at this point, we have made up our minds about whether we are
919 # going to force CFG_ENABLE_CLANG or not; save the setting if so.
920 if [ ! -z "$CFG_ENABLE_CLANG" ]
922 putvar CFG_ENABLE_CLANG
925 # Same with jemalloc. save the setting here.
926 if [ ! -z "$CFG_DISABLE_JEMALLOC" ]
928 putvar CFG_DISABLE_JEMALLOC
931 if [ ! -z "$CFG_LLVM_ROOT" -a -z "$CFG_DISABLE_LLVM_VERSION_CHECK" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
933 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
935 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
936 LLVM_VERSION=$($LLVM_CONFIG --version)
938 case $LLVM_VERSION in
940 msg "found ok version of LLVM: $LLVM_VERSION"
943 err "bad LLVM version: $LLVM_VERSION, need >=3.5"
948 # Even when the user overrides the choice of CC, still try to detect
949 # clang to disable some clang-specific warnings. We here draw a
950 # distinction between:
952 # CFG_ENABLE_CLANG : passed --enable-clang, or host "requires" clang,
953 # CFG_USING_CLANG : compiler (clang / gcc / $CC) looks like clang.
955 # This distinction is important because there are some safeguards we
956 # would prefer to skip when merely CFG_USING_CLANG is set; but when
957 # CFG_ENABLE_CLANG is set, that indicates that we are opting into
958 # running such safeguards.
962 msg "skipping compiler inference steps; using provided CC=$CC"
965 CFG_OSX_CC_VERSION=$("$CFG_CC" --version 2>&1 | grep "clang")
968 step_msg "note, user-provided CC looks like clang; CC=$CC."
970 putvar CFG_USING_CLANG
973 if [ ! -z "$CFG_ENABLE_CLANG" ]
975 if [ -z "$CFG_CLANG" ]
977 err "clang requested but not found"
981 putvar CFG_USING_CLANG
987 if [ ! -z "$CFG_ENABLE_CLANG" ]
991 CFG_CLANG_REPORTED_VERSION=$($CFG_CC --version | grep version)
993 if [[ $CFG_CLANG_REPORTED_VERSION == *"(based on LLVM "* ]]
995 CFG_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*(based on LLVM \(.*\))/\1/')
996 elif [[ $CFG_CLANG_REPORTED_VERSION == "Apple LLVM"* ]]
998 CFG_OSX_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*version \(.*\) .*/\1/')
1000 CFG_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*version \(.*\) .*/\1/')
1003 if [ ! -z "$CFG_OSX_CLANG_VERSION" ]
1005 case $CFG_OSX_CLANG_VERSION in
1007 step_msg "found ok version of APPLE CLANG: $CFG_OSX_CLANG_VERSION"
1010 err "bad APPLE CLANG version: $CFG_OSX_CLANG_VERSION, need >=7.0"
1014 case $CFG_CLANG_VERSION in
1015 (3.2* | 3.3* | 3.4* | 3.5* | 3.6* | 3.7*)
1016 step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
1019 err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
1032 if [ ! -z "$CFG_ENABLE_CCACHE" ]
1034 if [ -z "$CFG_CCACHE" ]
1036 err "ccache requested but not found"
1039 CFG_CC="ccache $CFG_CC"
1042 if [ -z "$CC" -a -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
1044 err "either clang or gcc is required"
1047 # All safeguards based on $CFG_ENABLE_CLANG should occur before this
1048 # point in the script; after this point, script logic should inspect
1049 # $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG.
1051 # Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS}
1058 # a little post-processing of various config values
1059 CFG_PREFIX=${CFG_PREFIX%/}
1060 CFG_MANDIR=${CFG_MANDIR%/}
1061 CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
1062 CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
1063 CFG_SUPPORTED_TARGET=""
1064 for target_file in ${CFG_SRC_DIR}mk/cfg/*.mk; do
1065 CFG_SUPPORTED_TARGET="${CFG_SUPPORTED_TARGET} $(basename "$target_file" .mk)"
1068 # copy build-triples to host-triples so that builds are a subset of hosts
1070 for i in $CFG_BUILD $CFG_HOST;
1072 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
1076 # copy host-triples to target-triples so that hosts are a subset of targets
1078 for i in $CFG_HOST $CFG_TARGET;
1080 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
1084 # check target-specific tool-chains
1085 for i in $CFG_TARGET
1088 for j in $CFG_SUPPORTED_TARGET
1096 if [ $L_CHECK = false ]
1098 err "unsupported target triples \"$i\" found"
1102 arm-linux-androideabi)
1104 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc ]
1106 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc not found"
1108 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ ]
1110 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ not found"
1112 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar ]
1114 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar not found"
1119 if [ $CFG_OSTYPE != apple-darwin ]
1121 err "The iOS target is only supported on Mac OS X"
1127 if [ ! -f $CFG_MUSL_ROOT/lib/libc.a ]
1129 err "musl libc $CFG_MUSL_ROOT/lib/libc.a not found"
1134 # Currently the build system is not configured to build jemalloc
1135 # with MSVC, so we omit this optional dependency.
1136 step_msg "targeting MSVC, disabling jemalloc"
1137 CFG_DISABLE_JEMALLOC=1
1138 putvar CFG_DISABLE_JEMALLOC
1140 # There are some MSYS python builds which will auto-translate
1141 # windows-style paths to MSYS-style paths in Python itself.
1142 # Unfortunately this breaks LLVM's build system as somewhere along
1143 # the line LLVM prints a path into a file from Python and then CMake
1144 # later tries to interpret that path. If Python prints a MSYS path
1145 # and CMake tries to use it as a Windows path, you're gonna have a
1148 # Consequently here we try to detect when that happens and print an
1150 if $CFG_PYTHON -c 'import sys; print sys.argv[1]' `pwd` | grep '^/'
1152 err "python is silently translating windows paths to MSYS paths \
1153 and the build will fail if this python is used.\n\n \
1154 Either an official python install must be used or an \
1155 alternative python package in MinGW must be used."
1158 # MSVC requires cmake because that's how we're going to build LLVM
1159 probe_need CFG_CMAKE cmake
1161 # Use the REG program to figure out where VS is installed
1162 # We need to figure out where cl.exe and link.exe are, so we do some
1163 # munging and some probing here. We also look for the default
1164 # INCLUDE and LIB variables for MSVC so we can set those in the
1165 # build system as well.
1166 install=$(reg QUERY \
1167 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\12.0' \
1169 need_ok "couldn't find visual studio install root"
1170 CFG_MSVC_ROOT=$(echo "$install" | grep InstallDir | sed 's/.*REG_SZ[ ]*//')
1171 CFG_MSVC_ROOT=$(dirname "$CFG_MSVC_ROOT")
1172 CFG_MSVC_ROOT=$(dirname "$CFG_MSVC_ROOT")
1173 putvar CFG_MSVC_ROOT
1185 err "can only target x86 targets for MSVC"
1188 bindir="${CFG_MSVC_ROOT}/VC/bin"
1189 if [ ! -z "$msvc_part" ]; then
1190 bindir="$bindir/$msvc_part"
1192 eval CFG_MSVC_BINDIR_$bits="\"$bindir\""
1193 eval CFG_MSVC_CL_$bits="\"$bindir/cl.exe\""
1194 eval CFG_MSVC_LIB_$bits="\"$bindir/lib.exe\""
1195 eval CFG_MSVC_LINK_$bits="\"$bindir/link.exe\""
1197 vcvarsall="${CFG_MSVC_ROOT}/VC/vcvarsall.bat"
1198 include_path=$(cmd /c "\"$vcvarsall\" $msvc_part && cmd /c echo %INCLUDE%")
1199 need_ok "failed to learn about MSVC's INCLUDE"
1200 lib_path=$(cmd /c "\"$vcvarsall\" $msvc_part && cmd /c echo %LIB%")
1201 need_ok "failed to learn about MSVC's LIB"
1203 eval CFG_MSVC_INCLUDE_PATH_${bits}="\"$include_path\""
1204 eval CFG_MSVC_LIB_PATH_${bits}="\"$lib_path\""
1206 putvar CFG_MSVC_BINDIR_${bits}
1207 putvar CFG_MSVC_CL_${bits}
1208 putvar CFG_MSVC_LIB_${bits}
1209 putvar CFG_MSVC_LINK_${bits}
1210 putvar CFG_MSVC_INCLUDE_PATH_${bits}
1211 putvar CFG_MSVC_LIB_PATH_${bits}
1219 if [ ! -z "$CFG_PERF" ]
1221 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
1222 if [ -z "$HAVE_PERF_LOGFD" ];
1224 CFG_PERF_WITH_LOGFD=1
1225 putvar CFG_PERF_WITH_LOGFD
1229 step_msg "making directories"
1232 doc doc/std doc/extra \
1245 make_dir $t/rustllvm
1248 for t in $CFG_TARGET
1253 make_dir $t/rt/stage$s
1254 make_dir $t/rt/jemalloc
1255 make_dir $t/rt/compiler-rt
1258 arch/i386 arch/x86_64 arch/arm arch/aarch64 arch/mips arch/powerpc
1260 make_dir $t/rt/stage$s/$i
1267 for t in $CFG_TARGET
1269 # host lib dir stage0
1270 make_dir $h/stage0/lib
1272 # target bin dir stage0
1273 make_dir $h/stage0/lib/rustlib/$t/bin
1275 # target lib dir stage0
1276 make_dir $h/stage0/lib/rustlib/$t/lib
1281 make_dir $h/stage$i/bin
1284 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE
1287 make_dir $h/stage$i/test
1290 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin
1293 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib
1297 make_dir $h/test/run-pass
1298 make_dir $h/test/run-pass-valgrind
1299 make_dir $h/test/run-pass-fulldeps
1300 make_dir $h/test/run-fail
1301 make_dir $h/test/run-fail-fulldeps
1302 make_dir $h/test/compile-fail
1303 make_dir $h/test/parse-fail
1304 make_dir $h/test/compile-fail-fulldeps
1305 make_dir $h/test/bench
1306 make_dir $h/test/perf
1307 make_dir $h/test/pretty
1308 make_dir $h/test/debuginfo-gdb
1309 make_dir $h/test/debuginfo-lldb
1310 make_dir $h/test/codegen
1311 make_dir $h/test/rustdoc
1314 # Configure submodules
1315 step_msg "configuring submodules"
1317 # Have to be in the top of src directory for this
1318 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ]
1322 msg "git: submodule sync"
1323 "${CFG_GIT}" submodule sync
1325 msg "git: submodule init"
1326 "${CFG_GIT}" submodule init
1328 # Disable submodules that we're not using
1329 if [ ! -z "${CFG_LLVM_ROOT}" ]; then
1330 msg "git: submodule deinit src/llvm"
1331 "${CFG_GIT}" submodule deinit src/llvm
1333 if [ ! -z "${CFG_JEMALLOC_ROOT}" ]; then
1334 msg "git: submodule deinit src/jemalloc"
1335 "${CFG_GIT}" submodule deinit src/jemalloc
1338 msg "git: submodule update"
1339 "${CFG_GIT}" submodule update
1340 need_ok "git failed"
1342 msg "git: submodule foreach sync"
1343 "${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
1344 need_ok "git failed"
1346 msg "git: submodule foreach update"
1347 "${CFG_GIT}" submodule update --recursive
1348 need_ok "git failed"
1350 # NB: this is just for the sake of getting the submodule SHA1 values
1351 # and status written into the build log.
1352 msg "git: submodule status"
1353 "${CFG_GIT}" submodule status --recursive
1355 msg "git: submodule clobber"
1356 "${CFG_GIT}" submodule foreach --recursive git clean -dxf
1357 need_ok "git failed"
1358 "${CFG_GIT}" submodule foreach --recursive git checkout .
1359 need_ok "git failed"
1364 # Configure llvm, only if necessary
1365 step_msg "looking at LLVM"
1366 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
1377 if [ -z $CFG_LLVM_ROOT ]
1379 LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm
1380 if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
1382 LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
1383 # Just use LLVM straight from its build directory to
1384 # avoid 'make install' time
1385 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
1387 LLVM_DBG_OPTS="--enable-optimized"
1388 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
1390 if [ -z "$CFG_ENABLE_LLVM_ASSERTIONS" ]
1392 LLVM_ASSERTION_OPTS="--disable-assertions"
1394 LLVM_ASSERTION_OPTS="--enable-assertions"
1396 # Apparently even if we request assertions be enabled for MSVC,
1397 # LLVM's CMake build system ignore this and outputs in `Release`
1399 if [ ${is_msvc} -eq 0 ]; then
1400 LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts
1404 msg "not reconfiguring LLVM, external LLVM root"
1405 # The user is using their own LLVM
1407 LLVM_INST_DIR=$CFG_LLVM_ROOT
1412 if [ ${do_reconfigure} -ne 0 ]
1414 # because git is hilarious, it might have put the module index
1415 # in a couple places.
1416 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
1417 index2="${CFG_SRC_DIR}src/llvm/.git/index"
1418 for index in ${index1} ${index2}
1420 config_status="${LLVM_BUILD_DIR}/config.status"
1421 if test -e ${index} -a \
1422 -e ${config_status} -a \
1423 ${config_status} -nt ${index}
1425 msg "not reconfiguring LLVM, config.status is fresh"
1431 if [ ${do_reconfigure} -ne 0 ] && [ ${is_msvc} -ne 0 ]
1433 msg "configuring LLVM for $t with cmake"
1435 CMAKE_ARGS="-DLLVM_INCLUDE_TESTS=OFF"
1436 if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then
1437 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Debug"
1439 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release"
1441 if [ -z "$CFG_ENABLE_LLVM_ASSERTIONS" ]
1443 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=OFF"
1445 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=ON"
1448 msg "configuring LLVM with:"
1452 generator="Visual Studio 12 2013 Win64"
1455 generator="Visual Studio 12 2013"
1458 err "can only build LLVM for x86 platforms"
1461 (cd $LLVM_BUILD_DIR && "$CFG_CMAKE" $CFG_LLVM_SRC_DIR \
1464 need_ok "LLVM cmake configure failed"
1467 if [ ${do_reconfigure} -ne 0 ] && [ ${is_msvc} -eq 0 ]
1469 # LLVM's configure doesn't recognize the new Windows triples yet
1470 gnu_t=$(to_gnu_triple $t)
1472 msg "configuring LLVM for $gnu_t"
1474 LLVM_TARGETS="--enable-targets=x86,x86_64,arm,aarch64,mips,powerpc"
1475 LLVM_BUILD="--build=$gnu_t"
1476 LLVM_HOST="--host=$gnu_t"
1477 LLVM_TARGET="--target=$gnu_t"
1479 # Disable unused LLVM features
1480 LLVM_OPTS="$LLVM_DBG_OPTS $LLVM_ASSERTION_OPTS --disable-docs --enable-bindings=none"
1481 # Disable term-info, linkage of which comes in multiple forms,
1482 # making our snapshots incompatible (#9334)
1483 LLVM_OPTS="$LLVM_OPTS --disable-terminfo"
1484 # Try to have LLVM pull in as few dependencies as possible (#9397)
1485 LLVM_OPTS="$LLVM_OPTS --disable-zlib --disable-libffi"
1487 # Use win32 native thread/lock apis instead of pthread wrapper.
1488 # (llvm's configure tries to find pthread first, so we have to disable it explicitly.)
1489 # Also note that pthreads works badly on mingw-w64 systems: #8996
1490 case "$CFG_BUILD" in
1492 LLVM_OPTS="$LLVM_OPTS --disable-pthreads"
1498 LLVM_CXX_32="ccache clang++ -Qunused-arguments"
1499 LLVM_CC_32="ccache clang -Qunused-arguments"
1501 LLVM_CXX_64="ccache clang++ -Qunused-arguments"
1502 LLVM_CC_64="ccache clang -Qunused-arguments"
1505 LLVM_CXX_32="clang++ -Qunused-arguments"
1506 LLVM_CC_32="clang -Qunused-arguments"
1508 LLVM_CXX_64="clang++ -Qunused-arguments"
1509 LLVM_CC_64="clang -Qunused-arguments"
1512 LLVM_CXX_32="ccache g++"
1513 LLVM_CC_32="ccache gcc"
1515 LLVM_CXX_64="ccache g++"
1516 LLVM_CC_64="ccache gcc"
1527 msg "inferring LLVM_CXX/CC from CXX/CC = $CXX/$CC"
1528 if [ ! -z "$CFG_ENABLE_CCACHE" ]
1530 if [ -z "$CFG_CCACHE" ]
1532 err "ccache requested but not found"
1535 LLVM_CXX_32="ccache $CXX"
1536 LLVM_CC_32="ccache $CC"
1538 LLVM_CXX_64="ccache $CXX"
1539 LLVM_CC_64="ccache $CC"
1551 case "$CFG_CPUTYPE" in
1553 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1554 LLVM_CC_32="$LLVM_CC_32 -m32"
1556 LLVM_CFLAGS_32="-m32"
1557 LLVM_CXXFLAGS_32="-m32"
1558 LLVM_LDFLAGS_32="-m32"
1564 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1565 LLVM_CC_32="$LLVM_CC_32 -m32"
1579 if echo $t | grep -q x86_64
1581 LLVM_CXX=$LLVM_CXX_64
1583 LLVM_CFLAGS=$LLVM_CFLAGS_64
1584 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
1585 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
1587 LLVM_CXX=$LLVM_CXX_32
1589 LLVM_CFLAGS=$LLVM_CFLAGS_32
1590 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
1591 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
1597 CXXFLAGS=$LLVM_CXXFLAGS
1598 LDFLAGS=$LLVM_LDFLAGS
1600 if [ -z "$CFG_DISABLE_LIBCPP" ] && [ -n "$CFG_USING_CLANG" ]; then
1601 LLVM_OPTS="$LLVM_OPTS --enable-libcpp"
1604 LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
1605 $LLVM_HOST $LLVM_TARGET --with-python=$CFG_PYTHON"
1607 msg "configuring LLVM with:"
1617 case $CFG_SRC_DIR in
1618 /* | [a-z]:* | [A-Z]:*)
1619 ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
1622 ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
1626 need_ok "LLVM configure failed"
1631 # Construct variables for LLVM build and install directories for
1632 # each target. These will be named
1633 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
1634 # target_triple will be converted to underscore, because bash
1635 # variables can't contain hyphens. The makefile will then have to
1637 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1638 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1639 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
1640 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
1644 step_msg "writing configuration"
1647 putvar CFG_SRC_DIR_RELATIVE
1648 putvar CFG_BUILD_DIR
1651 putvar CFG_CONFIGURE_ARGS
1655 putvar CFG_LIBDIR_RELATIVE
1656 putvar CFG_DISABLE_MANAGE_SUBMODULES
1657 putvar CFG_ANDROID_CROSS_PATH
1660 # Avoid spurious warnings from clang by feeding it original source on
1661 # ccache-miss rather than preprocessed input.
1662 if [ ! -z "$CFG_ENABLE_CCACHE" ] && [ ! -z "$CFG_USING_CLANG" ]
1665 putvar CFG_CCACHE_CPP2
1668 if [ ! -z "$CFG_ENABLE_CCACHE" ]
1670 CFG_CCACHE_BASEDIR=${CFG_SRC_DIR}
1671 putvar CFG_CCACHE_BASEDIR
1675 if [ ! -z $BAD_PANDOC ]
1681 putvar CFG_LLVM_SRC_DIR
1685 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1686 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1687 putvar $CFG_LLVM_BUILD_DIR
1688 putvar $CFG_LLVM_INST_DIR
1692 copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile
1693 move_if_changed config.tmp config.mk
1697 if [ -z "$CFG_ENABLE_DEBUG" ]; then
1698 step_msg "configured in release mode. for development consider --enable-debug"
1703 msg "run \`make help\`"