3 # /bin/sh on Solaris is not a POSIX compatible shell, but /usr/bin/bash is.
4 if [ `uname -s` = 'SunOS' -a "${POSIX_SHELL}" != "true" ]; then
7 exec /usr/bin/env bash $0 "$@"
9 unset POSIX_SHELL # clear it so if we invoke other scripts, they run as bash as well
22 echo "configure: WARNING: $1"
26 echo "configure: error: $1"
43 if command -v $1 >/dev/null 2>&1
44 then msg "found program '$1'"
45 else err "program '$1' is missing, please install it"
59 msg "leaving $2 unchanged"
62 chmod u-w $2 # make copied artifact read-only
69 msg "leaving $2 unchanged"
72 chmod u-w $2 # make moved artifact read-only
82 printf "configure: %-20s := %.35s ...\n" $1 "$T"
84 printf "configure: %-20s := %s %s\n" $1 "$T" "$2"
86 printf "%-20s := %s\n" $1 "$T" >>config.tmp
95 printf "configure: %-20s := %.35s ...\n" $1 "$T"
97 printf "configure: %-20s := %s %s\n" $1 "$T" "$2"
101 printf "%-20s := \n" $1 >>config.tmp
103 printf "%-20s := \"%s\"\n" $1 "$T" >>config.tmp
114 T=$(command -v $P 2>&1)
117 VER0=$($P --version 2>/dev/null \
118 | grep -o '[vV]\?[0-9][0-9.][a-z0-9.-]*' | head -1 )
119 if [ $? -eq 0 -a "x${VER0}" != "x" ]
142 err "$V needed, but unable to find any of: $*"
147 for arg in $CFG_CONFIGURE_ARGS
150 for option in $BOOL_OPTIONS
152 if test --disable-$option = $arg
156 if test --enable-$option = $arg
161 for option in $VAL_OPTIONS
163 if echo "$arg" | grep -q -- "--$option="
168 if [ "$arg" = "--help" ]
171 echo "No more help available for Configure options,"
172 echo "check the Wiki or join our IRC channel"
175 if test $isArgValid -eq 0
177 err "Option '$arg' is not recognized"
183 # `valopt OPTION_NAME DEFAULT DOC` extracts a string-valued option
184 # from command line, using provided default value for the option if
185 # not present, and saves it to the generated config.mk.
187 # `valopt_nosave` is much the same, except that it does not save the
188 # result to config.mk (instead the script should use `putvar` itself
189 # later on to save it). `valopt_core` is the core upon which the
190 # other two are built.
193 VAL_OPTIONS="$VAL_OPTIONS $2"
204 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
206 local V_PROVIDED="${V}_PROVIDED"
208 for arg in $CFG_CONFIGURE_ARGS
210 if echo "$arg" | grep -q -- "--$OP="
212 val=$(echo "$arg" | cut -f2 -d=)
217 if [ "$SAVE" = "save" ]
226 OP="${OP}=[${DEFAULT}]"
227 printf " --%-30s %s\n" "$OP" "$DOC"
232 valopt_core nosave "$@"
236 valopt_core save "$@"
239 # `opt OPTION_NAME DEFAULT DOC` extracts a boolean-valued option from
240 # command line, using the provided default value (0/1) for the option
241 # if not present, and saves it to the generated config.mk.
243 # `opt_nosave` is much the same, except that it does not save the
244 # result to config.mk (instead the script should use `putvar` itself
245 # later on to save it). `opt_core` is the core upon which the other
249 BOOL_OPTIONS="$BOOL_OPTIONS $2"
260 if [ $DEFAULT -eq 0 ]
263 DEFAULT_FLAG="disable"
266 DEFAULT_FLAG="enable"
272 for arg in $CFG_CONFIGURE_ARGS
274 if [ "$arg" = "--${FLAG}-${OP}" ]
276 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
277 FLAG=$(echo $FLAG | tr 'a-z' 'A-Z')
278 local V="CFG_${FLAG}_${OP}"
279 local V_PROVIDED="CFG_${FLAG}_${OP}_PROVIDED"
282 if [ "$SAVE" = "save" ]
286 elif [ "$arg" = "--${DEFAULT_FLAG}-${OP}" ]
288 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
289 DEFAULT_FLAG=$(echo $DEFAULT_FLAG | tr 'a-z' 'A-Z')
290 local V_PROVIDED="CFG_${DEFAULT_FLAG}_${OP}_PROVIDED"
299 printf " --%-30s %s\n" "$FLAG-$OP" "$DOC"
313 local V="CFG_${NAME}"
316 # If configure didn't set a value already, then check environment.
318 # (It is recommended that the configure script always check the
319 # environment before setting any values to envopt variables; see
320 # e.g. how CFG_CC is handled, where it first checks `-z "$CC"`,
321 # and issues msg if it ends up employing that provided value.)
328 # If script or environment provided a value, save it.
335 enable_if_not_disabled() {
337 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
338 local ENAB_V="CFG_ENABLE_$UOP"
339 local EXPLICITLY_DISABLED="CFG_DISABLE_${UOP}_PROVIDED"
340 eval VV=\$$EXPLICITLY_DISABLED
341 if [ -z "$VV" ]; then
348 i686-pc-windows-gnu) echo i686-w64-mingw32 ;;
349 x86_64-pc-windows-gnu) echo x86_64-w64-mingw32 ;;
354 # Prints the absolute path of a directory to stdout
357 # Unset CDPATH because it causes havok: it makes the destination unpredictable
358 # and triggers 'cd' to print the path to stdout. Route `cd`'s output to /dev/null
360 (unset CDPATH && cd "$_path" > /dev/null && pwd)
363 msg "looking for configure programs"
380 msg "inspecting environment"
382 CFG_OSTYPE=$(uname -s)
383 CFG_CPUTYPE=$(uname -m)
385 if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
387 # Darwin's `uname -s` lies and always returns i386. We have to use sysctl
389 if sysctl hw.optional.x86_64 | grep -q ': 1'
395 # The goal here is to come up with the same triple as LLVM would,
396 # at least for the subset of platforms we're willing to target.
401 CFG_OSTYPE=unknown-linux-gnu
405 CFG_OSTYPE=unknown-freebsd
409 CFG_OSTYPE=unknown-dragonfly
413 CFG_OSTYPE=unknown-bitrig
417 CFG_OSTYPE=unknown-openbsd
421 CFG_OSTYPE=unknown-netbsd
425 CFG_OSTYPE=apple-darwin
429 CFG_OSTYPE=sun-solaris
430 CFG_CPUTYPE=$(isainfo -n)
434 # msys' `uname` does not print gcc configuration, but prints msys
435 # configuration. so we cannot believe `uname -m`:
436 # msys1 is always i686 and msys2 is always x86_64.
437 # instead, msys defines $MSYSTEM which is MINGW32 on i686 and
440 CFG_OSTYPE=pc-windows-gnu
441 if [ "$MSYSTEM" = MINGW64 ]
448 CFG_OSTYPE=pc-windows-gnu
451 # Thad's Cygwin identifiers below
455 CFG_OSTYPE=pc-windows-gnu
461 CFG_OSTYPE=pc-windows-gnu
467 CFG_OSTYPE=pc-windows-gnu
473 CFG_OSTYPE=pc-windows-gnu
477 # Win 8 # uname -s on 64-bit cygwin does not contain WOW64, so simply use uname -m to detect arch (works in my install)
479 CFG_OSTYPE=pc-windows-gnu
481 # We do not detect other OS such as XP/2003 using 64 bit using uname.
482 # 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.
484 err "unknown OS type: $CFG_OSTYPE"
491 i386 | i486 | i686 | i786 | x86)
501 CFG_OSTYPE="${CFG_OSTYPE}eabihf"
513 CFG_CPUTYPE=powerpc64
516 powerpc64le | ppc64le)
517 CFG_CPUTYPE=powerpc64le
520 x86_64 | x86-64 | x64 | amd64)
525 err "unknown CPU type: $CFG_CPUTYPE"
528 # Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
529 if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
531 # $SHELL does not exist in standard 'sh', so probably only exists
532 # if configure is running in an interactive bash shell. /usr/bin/env
533 # exists *everywhere*.
534 BIN_TO_PROBE="$SHELL"
535 if [ ! -r "$BIN_TO_PROBE" ]; then
536 if [ -r "/usr/bin/env" ]; then
537 BIN_TO_PROBE="/usr/bin/env"
539 warn "Cannot check if the userland is i686 or x86_64"
542 file -L "$BIN_TO_PROBE" | grep -q "x86[_-]64"
544 msg "i686 userland on x86_64 Linux kernel"
550 DEFAULT_BUILD="${CFG_CPUTYPE}-${CFG_OSTYPE}"
552 CFG_SRC_DIR="$(abs_path $(dirname $0))/"
553 CFG_SRC_DIR_RELATIVE="$(dirname $0)/"
554 CFG_BUILD_DIR="$(pwd)/"
556 CFG_CONFIGURE_ARGS="$@"
559 case "${CFG_SRC_DIR}" in
561 err "The path to the rust source directory contains spaces, which is not supported"
570 if [ "$1" = "--help" ]
575 echo "Usage: $CFG_SELF [options]"
580 msg "recreating config.tmp"
583 step_msg "processing $CFG_SELF args"
589 opt debug 0 "debug mode; disables optimization unless \`--enable-optimize\` given"
590 opt valgrind 0 "run tests with valgrind (memcheck by default)"
591 opt helgrind 0 "run tests with helgrind instead of memcheck"
592 opt valgrind-rpass 1 "run rpass-valgrind tests with valgrind"
593 opt docs 1 "build standard library documentation"
594 opt compiler-docs 0 "build compiler documentation"
595 opt optimize-tests 1 "build tests with optimizations"
596 opt debuginfo-tests 0 "build tests with debugger metadata"
597 opt libcpp 1 "build with llvm with libc++ instead of libstdc++ when using clang"
598 opt llvm-assertions 0 "build LLVM with assertions"
599 opt debug-assertions 0 "build with debugging assertions"
600 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
601 opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
602 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
603 opt local-rebuild 0 "use an installed rustc matching the current version, for rebuilds"
604 opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
605 opt rpath 1 "build rpaths into rustc itself"
606 opt stage0-landing-pads 1 "enable landing pads during bootstrap with stage0"
607 # This is used by the automation to produce single-target nightlies
608 opt dist-host-only 0 "only install bins for the host architecture"
609 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
610 opt llvm-version-check 1 "check if the LLVM version is supported, build anyway"
611 opt rustbuild 0 "use the rust and cargo based build system"
612 opt orbit 0 "get MIR where it belongs - everywhere; most importantly, in orbit"
613 opt codegen-tests 1 "run the src/test/codegen tests"
614 opt option-checking 1 "complain about unrecognized options in this configure script"
616 # Optimization and debugging options. These may be overridden by the release channel, etc.
617 opt_nosave optimize 1 "build optimized rust code"
618 opt_nosave optimize-cxx 1 "build optimized C++ code"
619 opt_nosave optimize-llvm 1 "build optimized LLVM"
620 opt_nosave llvm-assertions 0 "build LLVM with assertions"
621 opt_nosave debug-assertions 0 "build with debugging assertions"
622 opt_nosave debuginfo 0 "build with debugger metadata"
623 opt_nosave debug-jemalloc 0 "build jemalloc with --enable-debug --enable-fill"
625 valopt localstatedir "/var/lib" "local state directory"
626 valopt sysconfdir "/etc" "install system configuration files"
628 valopt datadir "${CFG_PREFIX}/share" "install data"
629 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
630 valopt llvm-root "" "set LLVM root"
631 valopt python "" "set path to python"
632 valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located"
633 valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
634 valopt android-cross-path "" "Android NDK standalone path (deprecated)"
635 valopt i686-linux-android-ndk "" "i686-linux-android NDK standalone path"
636 valopt arm-linux-androideabi-ndk "" "arm-linux-androideabi NDK standalone path"
637 valopt armv7-linux-androideabi-ndk "" "armv7-linux-androideabi NDK standalone path"
638 valopt aarch64-linux-android-ndk "" "aarch64-linux-android NDK standalone path"
639 valopt nacl-cross-path "" "NaCl SDK path (Pepper Canary is recommended). Must be absolute!"
640 valopt release-channel "dev" "the name of the release channel to build"
641 valopt musl-root "/usr/local" "MUSL root installation directory"
642 valopt extra-filename "" "Additional data that is hashed and passed to the -C extra-filename flag"
644 # Used on systems where "cc" and "ar" are unavailable
645 valopt default-linker "cc" "the default linker"
646 valopt default-ar "ar" "the default ar"
648 # Many of these are saved below during the "writing configuration" step
649 # (others are conditionally saved).
650 opt_nosave manage-submodules 1 "let the build manage the git submodules"
651 opt_nosave clang 0 "prefer clang to gcc for building the runtime"
652 opt_nosave jemalloc 1 "build liballoc with jemalloc"
653 opt elf-tls 1 "elf thread local storage on platforms where supported"
655 valopt_nosave prefix "/usr/local" "set installation prefix"
656 valopt_nosave local-rust-root "/usr/local" "set prefix for local rust binary"
657 valopt_nosave host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
658 valopt_nosave target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
659 valopt_nosave mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
661 # On Windows this determines root of the subtree for target libraries.
662 # Host runtime libs always go to 'bin'.
663 valopt libdir "${CFG_PREFIX}/lib" "install libraries"
665 case "$CFG_LIBDIR" in
666 "$CFG_PREFIX"/*) CAT_INC=2;;
667 "$CFG_PREFIX"*) CAT_INC=1;;
669 err "libdir must begin with the prefix. Use --prefix to set it accordingly.";;
672 CFG_LIBDIR_RELATIVE=`echo ${CFG_LIBDIR} | cut -c$((${#CFG_PREFIX}+${CAT_INC}))-`
681 if [ -z "$CFG_DISABLE_OPTION_CHECKING" ]
683 step_msg "validating $CFG_SELF args"
687 # Validate the release channel, and configure options
688 case "$CFG_RELEASE_CHANNEL" in
690 msg "overriding settings for $CFG_RELEASE_CHANNEL"
691 CFG_ENABLE_LLVM_ASSERTIONS=1
696 err "release channel must be 'dev', 'nightly', 'beta' or 'stable'"
700 # Adjust perf and debug options for debug mode
701 if [ -n "$CFG_ENABLE_DEBUG" ]; then
702 msg "debug mode enabled, setting performance options"
703 if [ -z "$CFG_ENABLE_OPTIMIZE_PROVIDED" ]; then
704 msg "optimization not explicitly enabled, disabling optimization"
705 CFG_DISABLE_OPTIMIZE=1
706 CFG_DISABLE_OPTIMIZE_CXX=1
709 # Set following variables to 1 unless setting already provided
710 enable_if_not_disabled debug-assertions
711 enable_if_not_disabled debug-jemalloc
712 enable_if_not_disabled debuginfo
713 enable_if_not_disabled llvm-assertions
716 # OK, now write the debugging options
717 if [ -n "$CFG_DISABLE_OPTIMIZE" ]; then putvar CFG_DISABLE_OPTIMIZE; fi
718 if [ -n "$CFG_DISABLE_OPTIMIZE_CXX" ]; then putvar CFG_DISABLE_OPTIMIZE_CXX; fi
719 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then putvar CFG_DISABLE_OPTIMIZE_LLVM; fi
720 if [ -n "$CFG_ENABLE_LLVM_ASSERTIONS" ]; then putvar CFG_ENABLE_LLVM_ASSERTIONS; fi
721 if [ -n "$CFG_ENABLE_DEBUG_ASSERTIONS" ]; then putvar CFG_ENABLE_DEBUG_ASSERTIONS; fi
722 if [ -n "$CFG_ENABLE_DEBUGINFO" ]; then putvar CFG_ENABLE_DEBUGINFO; fi
723 if [ -n "$CFG_ENABLE_DEBUG_JEMALLOC" ]; then putvar CFG_ENABLE_DEBUG_JEMALLOC; fi
725 if [ -n "$CFG_ENABLE_ORBIT" ]; then putvar CFG_ENABLE_ORBIT; fi
727 step_msg "looking for build programs"
729 probe_need CFG_CURL curl
730 if [ -z "$CFG_PYTHON_PROVIDED" ]; then
731 probe_need CFG_PYTHON python2.7 python2 python
734 python_version=$($CFG_PYTHON -V 2>&1)
735 if [ $(echo $python_version | grep -c '^Python 2\.7') -ne 1 ]; then
736 err "Found $python_version, but Python 2.7 is required"
739 # If we have no git directory then we are probably a tarball distribution
740 # and shouldn't attempt to load submodules
741 if [ ! -e ${CFG_SRC_DIR}.git ]
744 msg "git: no git directory. disabling submodules"
745 CFG_DISABLE_MANAGE_SUBMODULES=1
747 probe_need CFG_GIT git
750 # Use `md5sum` on GNU platforms, or `md5 -q` on BSD
752 probe CFG_MD5SUM md5sum
755 CFG_HASH_COMMAND="$CFG_MD5 -q | cut -c 1-8"
756 elif [ -n "$CFG_MD5SUM" ]
758 CFG_HASH_COMMAND="$CFG_MD5SUM | cut -c 1-8"
760 err 'could not find one of: md5 md5sum'
762 putvar CFG_HASH_COMMAND
764 probe CFG_CLANG clang++
765 probe CFG_CCACHE ccache
768 probe CFG_VALGRIND valgrind
771 probe CFG_ANTLR4 antlr4
774 probe CFG_BISON bison
778 # On MacOS X, invoking `javac` pops up a dialog if the JDK is not
779 # installed. Since `javac` is only used if `antlr4` is available,
780 # probe for it only in this case.
781 if [ -n "$CFG_ANTLR4" ]
783 probe CFG_JAVAC javac
786 # the valgrind rpass tests will fail if you don't have a valgrind, but they're
787 # only disabled if you opt out.
788 if [ -z "$CFG_VALGRIND" ]
790 # If the user has explicitly asked for valgrind tests, then fail
791 if [ -n "$CFG_ENABLE_VALGRIND" ] && [ -n "$CFG_ENABLE_VALGRIND_PROVIDED" ]
793 err "No valgrind present, but valgrind tests explicitly requested"
795 CFG_DISABLE_VALGRIND_RPASS=1
796 putvar CFG_DISABLE_VALGRIND_RPASS
802 # Store GDB's version
803 CFG_GDB_VERSION=$($CFG_GDB --version 2>/dev/null | head -1)
804 putvar CFG_GDB_VERSION
807 if [ -n "$CFG_LLDB" ]
809 # Store LLDB's version
810 CFG_LLDB_VERSION=$($CFG_LLDB --version 2>/dev/null | head -1)
811 putvar CFG_LLDB_VERSION
813 # If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
814 # LLDB via the -P commandline options.
815 if [ -z "$CFG_LLDB_PYTHON_DIR" ] || [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
817 CFG_LLDB_PYTHON_DIR=$($CFG_LLDB -P)
819 # If CFG_LLDB_PYTHON_DIR is not a valid directory, set it to something more readable
820 if [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
822 CFG_LLDB_PYTHON_DIR="LLDB_PYTHON_DIRECTORY_NOT_FOUND"
825 putvar CFG_LLDB_PYTHON_DIR
829 # LLDB tests on OSX require /usr/bin/python, not something like Homebrew's
830 # /usr/local/bin/python. We're loading a compiled module for LLDB tests which is
831 # only compatible with the system.
834 CFG_LLDB_PYTHON=/usr/bin/python
837 CFG_LLDB_PYTHON=$CFG_PYTHON
840 putvar CFG_LLDB_PYTHON
842 step_msg "looking for target specific programs"
847 if [ "$CFG_OSTYPE" = "pc-windows-gnu" ] || [ "$CFG_OSTYPE" = "pc-windows-msvc" ]
852 # --enable-local-rebuild implies --enable-local-rust too
853 if [ -n "$CFG_ENABLE_LOCAL_REBUILD" ]
855 if [ -z "$CFG_ENABLE_LOCAL_RUST" ]
857 CFG_ENABLE_LOCAL_RUST=1
858 putvar CFG_ENABLE_LOCAL_RUST
862 if [ -n "$CFG_ENABLE_LOCAL_RUST" ]
864 system_rustc=$(which rustc)
865 if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
867 : # everything already configured
868 elif [ -n "$system_rustc" ]
870 # we assume that rustc is in a /bin directory
871 CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc}
873 err "no local rust to use"
876 CMD="${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF}"
880 step_msg "failure while running $CMD --version"
883 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
884 putvar CFG_LOCAL_RUST_ROOT
887 # Force bitrig to build with clang; gcc doesn't like us there
888 if [ $CFG_OSTYPE = unknown-bitrig ]
890 step_msg "on Bitrig, forcing use of clang"
894 # default gcc version under OpenBSD maybe too old, try using egcc, which is a
895 # gcc version from ports
896 if [ $CFG_OSTYPE = unknown-openbsd ]
898 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
899 step_msg "older GCC found, try with egcc instead"
901 # probe again but using egcc
904 # and use egcc/eg++ for CC/CXX too if it was found
905 # (but user setting has priority)
906 if [ -n "$CFG_GCC" ]; then
913 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
914 # system, so if we find that gcc is clang, we should just use clang directly.
915 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
917 CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version")
920 step_msg "on OS X >=10.9, forcing use of clang"
923 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
924 step_msg "older GCC found, using clang instead"
927 # on OS X, with xcode 5 and newer, certain developers may have
928 # cc, gcc and g++ point to a mixture of clang and gcc
929 # if so, this will create very strange build errors
930 # this last stanza is to detect some such problems and save the future rust
931 # contributor some time solving that issue.
932 # this detection could be generalized to other OSes aside from OS X
933 # but the issue seems most likely to happen on OS X
936 $1 --version 2> /dev/null | grep -q $2
938 # check that gcc, cc and g++ all point to the same compiler.
939 # note that for xcode 5, g++ points to clang, not clang++
940 if !((chk_cc gcc clang && chk_cc g++ clang) ||
941 (chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))); then
942 err "the gcc and g++ in your path point to different compilers.
943 Check which versions are in your path with gcc --version and g++ --version.
944 To resolve this problem, either fix your PATH or run configure with --enable-clang"
951 # If the clang isn't already enabled, check for GCC, and if it is missing, turn
952 # on clang as a backup.
953 if [ -z "$CFG_ENABLE_CLANG" ]
955 CFG_GCC_VERSION=$("$CFG_GCC" --version 2>&1)
958 step_msg "GCC not installed, will try using Clang"
963 # Okay, at this point, we have made up our minds about whether we are
964 # going to force CFG_ENABLE_CLANG or not; save the setting if so.
965 if [ -n "$CFG_ENABLE_CLANG" ]
967 putvar CFG_ENABLE_CLANG
970 if [ -z "$CFG_DISABLE_LIBCPP" -a -n "$CFG_ENABLE_CLANG" ]
977 # Same with jemalloc. save the setting here.
978 if [ -n "$CFG_DISABLE_JEMALLOC" ]
980 putvar CFG_DISABLE_JEMALLOC
983 if [ -n "$CFG_LLVM_ROOT" -a -z "$CFG_DISABLE_LLVM_VERSION_CHECK" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
985 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
987 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
988 LLVM_VERSION=$($LLVM_CONFIG --version)
990 case $LLVM_VERSION in
992 msg "found ok version of LLVM: $LLVM_VERSION"
995 err "bad LLVM version: $LLVM_VERSION, need >=3.6"
1000 # Even when the user overrides the choice of CC, still try to detect
1001 # clang to disable some clang-specific warnings. We here draw a
1002 # distinction between:
1004 # CFG_ENABLE_CLANG : passed --enable-clang, or host "requires" clang,
1005 # CFG_USING_CLANG : compiler (clang / gcc / $CC) looks like clang.
1007 # This distinction is important because there are some safeguards we
1008 # would prefer to skip when merely CFG_USING_CLANG is set; but when
1009 # CFG_ENABLE_CLANG is set, that indicates that we are opting into
1010 # running such safeguards.
1014 msg "skipping compiler inference steps; using provided CC=$CC"
1017 CFG_OSX_CC_VERSION=$("$CFG_CC" --version 2>&1 | grep "clang")
1020 step_msg "note, user-provided CC looks like clang; CC=$CC."
1022 putvar CFG_USING_CLANG
1025 if [ -n "$CFG_ENABLE_CLANG" ]
1027 if [ -z "$CFG_CLANG" ]
1029 err "clang requested but not found"
1033 putvar CFG_USING_CLANG
1039 if [ -n "$CFG_ENABLE_CLANG" ]
1043 CFG_CLANG_REPORTED_VERSION=$($CFG_CC --version | grep version)
1045 if echo $CFG_CLANG_REPORTED_VERSION | grep -q "(based on LLVM "; then
1046 CFG_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*(based on LLVM \(.*\))/\1/')
1047 elif echo $CFG_CLANG_REPORTED_VERSION | grep -q "Apple LLVM"; then
1048 CFG_OSX_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*version \(.*\) .*/\1/')
1050 CFG_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*version \(.*\) .*/\1/')
1053 if [ -n "$CFG_OSX_CLANG_VERSION" ]
1055 case $CFG_OSX_CLANG_VERSION in
1056 (7.0* | 7.1* | 7.2* | 7.3*)
1057 step_msg "found ok version of APPLE CLANG: $CFG_OSX_CLANG_VERSION"
1060 err "bad APPLE CLANG version: $CFG_OSX_CLANG_VERSION, need >=7.0"
1064 case $CFG_CLANG_VERSION in
1065 (3.2* | 3.3* | 3.4* | 3.5* | 3.6* | 3.7* | 3.8* | 3.9*)
1066 step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
1069 err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
1082 if [ -n "$CFG_ENABLE_CCACHE" ]
1084 if [ -z "$CFG_CCACHE" ]
1086 err "ccache requested but not found"
1089 CFG_CC="ccache $CFG_CC"
1092 if [ -z "$CC" -a -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
1094 err "either clang or gcc is required"
1097 # All safeguards based on $CFG_ENABLE_CLANG should occur before this
1098 # point in the script; after this point, script logic should inspect
1099 # $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG.
1101 # Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS,LDFLAGS}
1109 # stdc++ name in use
1110 # used to manage non-standard name (on OpenBSD for example)
1111 program_transform_name=$($CFG_CC -v 2>&1 | sed -n "s/.*--program-transform-name='\([^']*\)'.*/\1/p")
1112 CFG_STDCPP_NAME=$(echo "stdc++" | sed "${program_transform_name}")
1113 putvar CFG_STDCPP_NAME
1115 # a little post-processing of various config values
1116 CFG_PREFIX=${CFG_PREFIX%/}
1117 CFG_MANDIR=${CFG_MANDIR%/}
1118 CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
1119 CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
1120 CFG_SUPPORTED_TARGET=""
1121 for target_file in ${CFG_SRC_DIR}mk/cfg/*.mk; do
1122 CFG_SUPPORTED_TARGET="${CFG_SUPPORTED_TARGET} $(basename "$target_file" .mk)"
1125 # copy build-triples to host-triples so that builds are a subset of hosts
1127 for i in $CFG_BUILD $CFG_HOST;
1129 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
1133 # copy host-triples to target-triples so that hosts are a subset of targets
1135 for i in $CFG_HOST $CFG_TARGET;
1137 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
1141 # check target-specific tool-chains
1142 for i in $CFG_TARGET
1145 for j in $CFG_SUPPORTED_TARGET
1153 if [ $L_CHECK = false ]
1155 err "unsupported target triples \"$i\" found"
1161 armv7-linux-androideabi)
1162 cmd_prefix="arm-linux-androideabi"
1169 upper_snake_target=$(echo "$i" | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
1170 eval ndk=\$"CFG_${upper_snake_target}_NDK"
1173 ndk=$CFG_ANDROID_CROSS_PATH
1174 eval "CFG_${upper_snake_target}_NDK"=$CFG_ANDROID_CROSS_PATH
1175 warn "generic/default Android NDK option is deprecated (use --$i-ndk option instead)"
1178 # Perform a basic sanity check of the NDK
1179 for android_ndk_tool in "$ndk/bin/$cmd_prefix-gcc" "$ndk/bin/$cmd_prefix-g++" "$ndk/bin/$cmd_prefix-ar"
1181 if [ ! -f $android_ndk_tool ]
1183 err "NDK tool $android_ndk_tool not found (bad or missing --$i-ndk option?)"
1188 if [ -z "$CFG_NACL_CROSS_PATH" ]
1190 err "I need the NaCl SDK path! (use --nacl-cross-path)"
1194 if [ $CFG_OSTYPE != apple-darwin ]
1196 err "The iOS target is only supported on Mac OS X"
1202 if [ ! -f $CFG_MUSL_ROOT/lib/libc.a ]
1204 err "musl libc $CFG_MUSL_ROOT/lib/libc.a not found"
1209 # There are some MSYS python builds which will auto-translate
1210 # windows-style paths to MSYS-style paths in Python itself.
1211 # Unfortunately this breaks LLVM's build system as somewhere along
1212 # the line LLVM prints a path into a file from Python and then CMake
1213 # later tries to interpret that path. If Python prints a MSYS path
1214 # and CMake tries to use it as a Windows path, you're gonna have a
1217 # Consequently here we try to detect when that happens and print an
1219 if $CFG_PYTHON -c 'import sys; print sys.argv[1]' `pwd` | grep '^/' > /dev/null
1223 python is silently translating windows paths to MSYS paths \
1224 and the build will fail if this python is used.
1226 Either an official python install must be used or an \
1227 alternative python package in MinGW must be used.
1229 If you are building under msys2 try installing the mingw-w64-x86_64-python2 \
1230 package instead of python2:
1232 $ pacman -R python2 && pacman -S mingw-w64-x86_64-python2
1236 # MSVC requires cmake because that's how we're going to build LLVM
1237 probe_need CFG_CMAKE cmake
1239 # There are three builds of cmake on windows: MSVC, MinGW and Cygwin
1240 # The Cygwin build does not have generators for Visual Studio, so
1241 # detect that here and error.
1242 if ! "$CFG_CMAKE" --help | sed -n '/^Generators/,$p' | grep 'Visual Studio' > /dev/null
1246 cmake does not support Visual Studio generators.
1248 This is likely due to it being an msys/cygwin build of cmake, \
1249 rather than the required windows version, built using MinGW \
1252 If you are building under msys2 try installing the mingw-w64-x86_64-cmake \
1253 package instead of cmake:
1255 $ pacman -R cmake && pacman -S mingw-w64-x86_64-cmake
1259 # Use the REG program to figure out where VS is installed
1260 # We need to figure out where cl.exe and link.exe are, so we do some
1261 # munging and some probing here. We also look for the default
1262 # INCLUDE and LIB variables for MSVC so we can set those in the
1263 # build system as well.
1264 install=$(cmd //c reg QUERY \
1265 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\14.0' \
1267 if [ -z "$install" ]; then
1268 install=$(cmd //c reg QUERY \
1269 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\12.0' \
1272 need_ok "couldn't find visual studio install root"
1273 CFG_MSVC_ROOT=$(echo "$install" | grep InstallDir | sed 's/.*REG_SZ[ ]*//')
1274 CFG_MSVC_ROOT=$(dirname "$CFG_MSVC_ROOT")
1275 CFG_MSVC_ROOT=$(dirname "$CFG_MSVC_ROOT")
1276 putvar CFG_MSVC_ROOT
1288 err "can only target x86 targets for MSVC"
1291 bindir="${CFG_MSVC_ROOT}/VC/bin"
1292 if [ -n "$msvc_part" ]; then
1293 bindir="$bindir/$msvc_part"
1295 eval CFG_MSVC_BINDIR_$bits="\"$bindir\""
1296 eval CFG_MSVC_CL_$bits="\"$bindir/cl.exe\""
1297 eval CFG_MSVC_LIB_$bits="\"$bindir/lib.exe\""
1298 eval CFG_MSVC_LINK_$bits="\"$bindir/link.exe\""
1300 vcvarsall="${CFG_MSVC_ROOT}/VC/vcvarsall.bat"
1301 include_path=$(cmd //V:ON //c "$vcvarsall" $msvc_part \& echo !INCLUDE!)
1302 need_ok "failed to learn about MSVC's INCLUDE"
1303 lib_path=$(cmd //V:ON //c "$vcvarsall" $msvc_part \& echo !LIB!)
1304 need_ok "failed to learn about MSVC's LIB"
1306 eval CFG_MSVC_INCLUDE_PATH_${bits}="\"$include_path\""
1307 eval CFG_MSVC_LIB_PATH_${bits}="\"$lib_path\""
1309 putvar CFG_MSVC_BINDIR_${bits}
1310 putvar CFG_MSVC_CL_${bits}
1311 putvar CFG_MSVC_LIB_${bits}
1312 putvar CFG_MSVC_LINK_${bits}
1313 putvar CFG_MSVC_INCLUDE_PATH_${bits}
1314 putvar CFG_MSVC_LIB_PATH_${bits}
1322 if [ -n "$CFG_PERF" ]
1324 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
1325 if [ -z "$HAVE_PERF_LOGFD" ];
1327 CFG_PERF_WITH_LOGFD=1
1328 putvar CFG_PERF_WITH_LOGFD
1332 if [ -z "$CFG_ENABLE_RUSTBUILD" ]; then
1334 step_msg "making directories"
1337 doc doc/std doc/extra \
1350 make_dir $t/rustllvm
1353 for t in $CFG_TARGET
1358 make_dir $t/rt/stage$s
1359 make_dir $t/rt/jemalloc
1360 make_dir $t/rt/compiler-rt
1363 arch/i386 arch/x86_64 arch/arm arch/aarch64 arch/mips arch/powerpc
1365 make_dir $t/rt/stage$s/$i
1372 for t in $CFG_TARGET
1374 # host bin dir stage0
1375 make_dir $h/stage0/bin
1377 # host lib dir stage0
1378 make_dir $h/stage0/lib
1380 # host test dir stage0
1381 make_dir $h/stage0/test
1383 # target bin dir stage0
1384 make_dir $h/stage0/lib/rustlib/$t/bin
1386 # target lib dir stage0
1387 make_dir $h/stage0/lib/rustlib/$t/lib
1392 make_dir $h/stage$i/bin
1395 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE
1398 make_dir $h/stage$i/test
1401 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin
1404 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib
1408 make_dir $h/test/run-pass
1409 make_dir $h/test/run-pass-valgrind
1410 make_dir $h/test/run-pass-fulldeps
1411 make_dir $h/test/run-fail
1412 make_dir $h/test/run-fail-fulldeps
1413 make_dir $h/test/compile-fail
1414 make_dir $h/test/parse-fail
1415 make_dir $h/test/compile-fail-fulldeps
1416 make_dir $h/test/bench
1417 make_dir $h/test/perf
1418 make_dir $h/test/pretty
1419 make_dir $h/test/debuginfo-gdb
1420 make_dir $h/test/debuginfo-lldb
1421 make_dir $h/test/codegen
1422 make_dir $h/test/codegen-units
1423 make_dir $h/test/rustdoc
1428 # Configure submodules
1429 step_msg "configuring submodules"
1431 # Have to be in the top of src directory for this
1432 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ] && [ -z $CFG_ENABLE_RUSTBUILD ]
1436 msg "git: submodule sync"
1437 "${CFG_GIT}" submodule sync
1439 msg "git: submodule init"
1440 "${CFG_GIT}" submodule init
1442 # Disable submodules that we're not using
1443 if [ -n "${CFG_LLVM_ROOT}" ]; then
1444 msg "git: submodule deinit src/llvm"
1445 "${CFG_GIT}" submodule deinit src/llvm
1447 if [ -n "${CFG_JEMALLOC_ROOT}" ]; then
1448 msg "git: submodule deinit src/jemalloc"
1449 "${CFG_GIT}" submodule deinit src/jemalloc
1452 msg "git: submodule update"
1453 "${CFG_GIT}" submodule update
1454 need_ok "git failed"
1456 msg "git: submodule foreach sync"
1457 "${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
1458 need_ok "git failed"
1460 msg "git: submodule foreach update"
1461 "${CFG_GIT}" submodule update --recursive
1462 need_ok "git failed"
1464 # NB: this is just for the sake of getting the submodule SHA1 values
1465 # and status written into the build log.
1466 msg "git: submodule status"
1467 "${CFG_GIT}" submodule status --recursive
1469 msg "git: submodule clobber"
1470 "${CFG_GIT}" submodule foreach --recursive git clean -dxf
1471 need_ok "git failed"
1472 "${CFG_GIT}" submodule foreach --recursive git checkout .
1473 need_ok "git failed"
1478 # Do a sanity check that the submodule source exists. Because GitHub
1479 # automatically publishes broken tarballs that can't be disabled, and
1480 # people download them and try to use them.
1481 if [ ! -e "${CFG_SRC_DIR}/src/liblibc" ]; then
1482 err "some submodules are missing. Is this a broken tarball?
1484 If you downloaded this tarball from the GitHub release pages at
1485 https://github.com/rust-lang/rust/releases,
1486 then please delete it and instead download the source from
1487 https://www.rust-lang.org/downloads.html"
1491 # Configure llvm, only if necessary
1492 step_msg "looking at LLVM"
1493 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
1504 if [ -n "$CFG_ENABLE_RUSTBUILD" ]
1506 msg "not configuring LLVM, rustbuild in use"
1508 elif [ -z $CFG_LLVM_ROOT ]
1510 LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm
1511 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]
1513 LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
1514 # Just use LLVM straight from its build directory to
1515 # avoid 'make install' time
1516 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
1518 LLVM_DBG_OPTS="--enable-optimized"
1519 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
1521 if [ -z "$CFG_ENABLE_LLVM_ASSERTIONS" ]
1523 LLVM_ASSERTION_OPTS="--disable-assertions"
1525 LLVM_ASSERTION_OPTS="--enable-assertions"
1527 # Apparently even if we request assertions be enabled for MSVC,
1528 # LLVM's CMake build system ignore this and outputs in `Release`
1530 if [ ${is_msvc} -eq 0 ]; then
1531 LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts
1535 msg "not reconfiguring LLVM, external LLVM root"
1536 # The user is using their own LLVM
1538 LLVM_INST_DIR=$CFG_LLVM_ROOT
1540 # Check that LLVm FileCheck is available. Needed for the tests
1541 if [ -z "$CFG_DISABLE_CODEGEN_TESTS" ]; then
1542 need_cmd $LLVM_INST_DIR/bin/FileCheck
1546 if [ ${do_reconfigure} -ne 0 ]
1548 # because git is hilarious, it might have put the module index
1549 # in a couple places.
1550 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
1551 index2="${CFG_SRC_DIR}src/llvm/.git/index"
1552 for index in ${index1} ${index2}
1554 config_status="${LLVM_BUILD_DIR}/config.status"
1555 if test -e ${index} -a \
1556 -e ${config_status} -a \
1557 ${config_status} -nt ${index}
1559 msg "not reconfiguring LLVM, config.status is fresh"
1565 # We need the generator later on for compiler-rt even if LLVM's not built
1566 if [ ${is_msvc} -ne 0 ]
1568 case "$CFG_MSVC_ROOT" in
1570 generator="Visual Studio 14 2015"
1573 generator="Visual Studio 12 2013"
1576 err "can't determine generator for LLVM cmake"
1581 generator="$generator Win64"
1586 err "can only build LLVM for x86 platforms"
1589 CFG_CMAKE_GENERATOR=$generator
1590 putvar CFG_CMAKE_GENERATOR
1593 if [ ${do_reconfigure} -ne 0 ] && [ ${is_msvc} -ne 0 ]
1595 msg "configuring LLVM for $t with cmake"
1597 CMAKE_ARGS="-DLLVM_INCLUDE_TESTS=OFF"
1598 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then
1599 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Debug"
1601 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release"
1603 if [ -z "$CFG_ENABLE_LLVM_ASSERTIONS" ]
1605 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=OFF"
1607 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=ON"
1610 msg "configuring LLVM with:"
1613 (cd $LLVM_BUILD_DIR && "$CFG_CMAKE" $CFG_LLVM_SRC_DIR \
1614 -G "$CFG_CMAKE_GENERATOR" \
1616 need_ok "LLVM cmake configure failed"
1619 if [ ${do_reconfigure} -ne 0 ] && [ ${is_msvc} -eq 0 ]
1621 # LLVM's configure doesn't recognize the new Windows triples yet
1622 gnu_t=$(to_gnu_triple $t)
1624 msg "configuring LLVM for $gnu_t"
1626 LLVM_TARGETS="--enable-targets=x86,x86_64,arm,aarch64,mips,powerpc"
1627 LLVM_BUILD="--build=$gnu_t"
1628 LLVM_HOST="--host=$gnu_t"
1629 LLVM_TARGET="--target=$gnu_t"
1631 # Disable unused LLVM features
1632 LLVM_OPTS="$LLVM_DBG_OPTS $LLVM_ASSERTION_OPTS --disable-docs --enable-bindings=none"
1633 # Disable term-info, linkage of which comes in multiple forms,
1634 # making our snapshots incompatible (#9334)
1635 LLVM_OPTS="$LLVM_OPTS --disable-terminfo"
1636 # Try to have LLVM pull in as few dependencies as possible (#9397)
1637 LLVM_OPTS="$LLVM_OPTS --disable-zlib --disable-libffi"
1639 # Use win32 native thread/lock apis instead of pthread wrapper.
1640 # (llvm's configure tries to find pthread first, so we have to disable it explicitly.)
1641 # Also note that pthreads works badly on mingw-w64 systems: #8996
1642 case "$CFG_BUILD" in
1644 LLVM_OPTS="$LLVM_OPTS --disable-pthreads"
1650 LLVM_CXX_32="ccache clang++ -Qunused-arguments"
1651 LLVM_CC_32="ccache clang -Qunused-arguments"
1653 LLVM_CXX_64="ccache clang++ -Qunused-arguments"
1654 LLVM_CC_64="ccache clang -Qunused-arguments"
1657 LLVM_CXX_32="clang++ -Qunused-arguments"
1658 LLVM_CC_32="clang -Qunused-arguments"
1660 LLVM_CXX_64="clang++ -Qunused-arguments"
1661 LLVM_CC_64="clang -Qunused-arguments"
1664 LLVM_CXX_32="ccache g++"
1665 LLVM_CC_32="ccache gcc"
1667 LLVM_CXX_64="ccache g++"
1668 LLVM_CC_64="ccache gcc"
1679 msg "inferring LLVM_CXX/CC from CXX/CC = $CXX/$CC"
1680 if [ -n "$CFG_ENABLE_CCACHE" ]
1682 if [ -z "$CFG_CCACHE" ]
1684 err "ccache requested but not found"
1687 LLVM_CXX_32="ccache $CXX"
1688 LLVM_CC_32="ccache $CC"
1690 LLVM_CXX_64="ccache $CXX"
1691 LLVM_CC_64="ccache $CC"
1703 case "$CFG_CPUTYPE" in
1705 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1706 LLVM_CC_32="$LLVM_CC_32 -m32"
1708 LLVM_CFLAGS_32="-m32"
1709 LLVM_CXXFLAGS_32="-m32"
1710 LLVM_LDFLAGS_32="-m32"
1716 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1717 LLVM_CC_32="$LLVM_CC_32 -m32"
1731 if echo $t | grep -q x86_64
1733 LLVM_CXX=$LLVM_CXX_64
1735 LLVM_CFLAGS=$LLVM_CFLAGS_64
1736 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
1737 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
1739 LLVM_CXX=$LLVM_CXX_32
1741 LLVM_CFLAGS=$LLVM_CFLAGS_32
1742 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
1743 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
1748 CFLAGS="$CFLAGS $LLVM_CFLAGS"
1749 CXXFLAGS="$CXXFLAGS $LLVM_CXXFLAGS"
1750 LDFLAGS="$LDFLAGS $LLVM_LDFLAGS"
1752 if [ "$CFG_USING_LIBCPP" != "0" ]; then
1753 LLVM_OPTS="$LLVM_OPTS --enable-libcpp"
1756 LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
1757 $LLVM_HOST $LLVM_TARGET --with-python=$CFG_PYTHON"
1759 msg "configuring LLVM with:"
1769 case $CFG_SRC_DIR in
1770 /* | [a-z]:* | [A-Z]:*)
1771 ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
1774 ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
1778 need_ok "LLVM configure failed"
1783 # Construct variables for LLVM build and install directories for
1784 # each target. These will be named
1785 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
1786 # target_triple will be converted to underscore, because bash
1787 # variables can't contain hyphens. The makefile will then have to
1789 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1790 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1791 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
1792 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
1796 step_msg "writing configuration"
1799 putvar CFG_SRC_DIR_RELATIVE
1800 putvar CFG_BUILD_DIR
1803 putvar CFG_CONFIGURE_ARGS
1807 putvar CFG_LIBDIR_RELATIVE
1808 putvar CFG_DISABLE_MANAGE_SUBMODULES
1809 putvar CFG_AARCH64_LINUX_ANDROID_NDK
1810 putvar CFG_ARM_LINUX_ANDROIDEABI_NDK
1811 putvar CFG_ARMV7_LINUX_ANDROIDEABI_NDK
1812 putvar CFG_I686_LINUX_ANDROID_NDK
1813 putvar CFG_NACL_CROSS_PATH
1815 putvar CFG_USING_LIBCPP
1817 # Avoid spurious warnings from clang by feeding it original source on
1818 # ccache-miss rather than preprocessed input.
1819 if [ -n "$CFG_ENABLE_CCACHE" ] && [ -n "$CFG_USING_CLANG" ]
1822 putvar CFG_CCACHE_CPP2
1825 if [ -n "$CFG_ENABLE_CCACHE" ]
1827 CFG_CCACHE_BASEDIR=${CFG_SRC_DIR}
1828 putvar CFG_CCACHE_BASEDIR
1832 putvar CFG_LLVM_SRC_DIR
1836 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1837 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1838 putvar $CFG_LLVM_BUILD_DIR
1839 putvar $CFG_LLVM_INST_DIR
1842 if [ -n "$CFG_ENABLE_RUSTBUILD" ]
1844 INPUT_MAKEFILE=src/bootstrap/mk/Makefile.in
1846 INPUT_MAKEFILE=Makefile.in
1850 copy_if_changed ${CFG_SRC_DIR}${INPUT_MAKEFILE} ./Makefile
1851 move_if_changed config.tmp config.mk
1855 if [ -z "$CFG_ENABLE_DEBUG" ]; then
1856 step_msg "configured in release mode. for development consider --enable-debug"
1861 msg "run \`make help\`"