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" ]
141 err "needed, but unable to find any of: $*"
146 for arg in $CFG_CONFIGURE_ARGS
149 for option in $BOOL_OPTIONS
151 if test --disable-$option = $arg
155 if test --enable-$option = $arg
160 for option in $VAL_OPTIONS
162 if echo "$arg" | grep -q -- "--$option="
167 if [ "$arg" = "--help" ]
170 echo "No more help available for Configure options,"
171 echo "check the Wiki or join our IRC channel"
174 if test $isArgValid -eq 0
176 err "Option '$arg' is not recognized"
182 # `valopt OPTION_NAME DEFAULT DOC` extracts a string-valued option
183 # from command line, using provided default value for the option if
184 # not present, and saves it to the generated config.mk.
186 # `valopt_nosave` is much the same, except that it does not save the
187 # result to config.mk (instead the script should use `putvar` itself
188 # later on to save it). `valopt_core` is the core upon which the
189 # other two are built.
192 VAL_OPTIONS="$VAL_OPTIONS $2"
203 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
205 local V_PROVIDED="${V}_PROVIDED"
207 for arg in $CFG_CONFIGURE_ARGS
209 if echo "$arg" | grep -q -- "--$OP="
211 val=$(echo "$arg" | cut -f2 -d=)
216 if [ "$SAVE" = "save" ]
225 OP="${OP}=[${DEFAULT}]"
226 printf " --%-30s %s\n" "$OP" "$DOC"
231 valopt_core nosave "$@"
235 valopt_core save "$@"
238 # `opt OPTION_NAME DEFAULT DOC` extracts a boolean-valued option from
239 # command line, using the provided default value (0/1) for the option
240 # if not present, and saves it to the generated config.mk.
242 # `opt_nosave` is much the same, except that it does not save the
243 # result to config.mk (instead the script should use `putvar` itself
244 # later on to save it). `opt_core` is the core upon which the other
248 BOOL_OPTIONS="$BOOL_OPTIONS $2"
259 if [ $DEFAULT -eq 0 ]
262 DEFAULT_FLAG="disable"
265 DEFAULT_FLAG="enable"
271 for arg in $CFG_CONFIGURE_ARGS
273 if [ "$arg" = "--${FLAG}-${OP}" ]
275 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
276 FLAG=$(echo $FLAG | tr 'a-z' 'A-Z')
277 local V="CFG_${FLAG}_${OP}"
278 local V_PROVIDED="CFG_${FLAG}_${OP}_PROVIDED"
281 if [ "$SAVE" = "save" ]
285 elif [ "$arg" = "--${DEFAULT_FLAG}-${OP}" ]
287 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
288 DEFAULT_FLAG=$(echo $DEFAULT_FLAG | tr 'a-z' 'A-Z')
289 local V_PROVIDED="CFG_${DEFAULT_FLAG}_${OP}_PROVIDED"
298 printf " --%-30s %s\n" "$FLAG-$OP" "$DOC"
312 local V="CFG_${NAME}"
315 # If configure didn't set a value already, then check environment.
317 # (It is recommended that the configure script always check the
318 # environment before setting any values to envopt variables; see
319 # e.g. how CFG_CC is handled, where it first checks `-z "$CC"`,
320 # and issues msg if it ends up employing that provided value.)
327 # If script or environment provided a value, save it.
334 enable_if_not_disabled() {
336 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
337 local ENAB_V="CFG_ENABLE_$UOP"
338 local EXPLICITLY_DISABLED="CFG_DISABLE_${UOP}_PROVIDED"
339 eval VV=\$$EXPLICITLY_DISABLED
340 if [ -z "$VV" ]; then
347 i686-pc-windows-gnu) echo i686-w64-mingw32 ;;
348 x86_64-pc-windows-gnu) echo x86_64-w64-mingw32 ;;
353 # Prints the absolute path of a directory to stdout
356 # Unset CDPATH because it causes havok: it makes the destination unpredictable
357 # and triggers 'cd' to print the path to stdout. Route `cd`'s output to /dev/null
359 (unset CDPATH && cd "$_path" > /dev/null && pwd)
362 msg "looking for configure programs"
379 msg "inspecting environment"
381 CFG_OSTYPE=$(uname -s)
382 CFG_CPUTYPE=$(uname -m)
384 if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
386 # Darwin's `uname -s` lies and always returns i386. We have to use sysctl
388 if sysctl hw.optional.x86_64 | grep -q ': 1'
394 # The goal here is to come up with the same triple as LLVM would,
395 # at least for the subset of platforms we're willing to target.
400 CFG_OSTYPE=unknown-linux-gnu
404 CFG_OSTYPE=unknown-freebsd
408 CFG_OSTYPE=unknown-dragonfly
412 CFG_OSTYPE=unknown-bitrig
416 CFG_OSTYPE=unknown-openbsd
420 CFG_OSTYPE=unknown-netbsd
424 CFG_OSTYPE=apple-darwin
428 CFG_OSTYPE=sun-solaris
429 CFG_CPUTYPE=$(isainfo -n)
433 # msys' `uname` does not print gcc configuration, but prints msys
434 # configuration. so we cannot believe `uname -m`:
435 # msys1 is always i686 and msys2 is always x86_64.
436 # instead, msys defines $MSYSTEM which is MINGW32 on i686 and
439 CFG_OSTYPE=pc-windows-gnu
440 if [ "$MSYSTEM" = MINGW64 ]
447 CFG_OSTYPE=pc-windows-gnu
450 # Thad's Cygwin identifiers below
454 CFG_OSTYPE=pc-windows-gnu
460 CFG_OSTYPE=pc-windows-gnu
466 CFG_OSTYPE=pc-windows-gnu
472 CFG_OSTYPE=pc-windows-gnu
476 # Win 8 # uname -s on 64-bit cygwin does not contain WOW64, so simply use uname -m to detect arch (works in my install)
478 CFG_OSTYPE=pc-windows-gnu
480 # We do not detect other OS such as XP/2003 using 64 bit using uname.
481 # 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.
483 err "unknown OS type: $CFG_OSTYPE"
490 i386 | i486 | i686 | i786 | x86)
500 CFG_OSTYPE="${CFG_OSTYPE}eabihf"
512 CFG_CPUTYPE=powerpc64
515 powerpc64le | ppc64le)
516 CFG_CPUTYPE=powerpc64le
519 x86_64 | x86-64 | x64 | amd64)
524 err "unknown CPU type: $CFG_CPUTYPE"
527 # Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
528 if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
530 # $SHELL does not exist in standard 'sh', so probably only exists
531 # if configure is running in an interactive bash shell. /usr/bin/env
532 # exists *everywhere*.
533 BIN_TO_PROBE="$SHELL"
534 if [ ! -r "$BIN_TO_PROBE" ]; then
535 if [ -r "/usr/bin/env" ]; then
536 BIN_TO_PROBE="/usr/bin/env"
538 warn "Cannot check if the userland is i686 or x86_64"
541 file -L "$BIN_TO_PROBE" | grep -q "x86[_-]64"
543 msg "i686 userland on x86_64 Linux kernel"
549 DEFAULT_BUILD="${CFG_CPUTYPE}-${CFG_OSTYPE}"
551 CFG_SRC_DIR="$(abs_path $(dirname $0))/"
552 CFG_SRC_DIR_RELATIVE="$(dirname $0)/"
553 CFG_BUILD_DIR="$(pwd)/"
555 CFG_CONFIGURE_ARGS="$@"
558 case "${CFG_SRC_DIR}" in
560 err "The path to the rust source directory contains spaces, which is not supported"
569 if [ "$1" = "--help" ]
574 echo "Usage: $CFG_SELF [options]"
579 msg "recreating config.tmp"
582 step_msg "processing $CFG_SELF args"
588 opt debug 0 "debug mode; disables optimization unless \`--enable-optimize\` given"
589 opt valgrind 0 "run tests with valgrind (memcheck by default)"
590 opt helgrind 0 "run tests with helgrind instead of memcheck"
591 opt valgrind-rpass 1 "run rpass-valgrind tests with valgrind"
592 opt docs 1 "build standard library documentation"
593 opt compiler-docs 0 "build compiler documentation"
594 opt optimize-tests 1 "build tests with optimizations"
595 opt debuginfo-tests 0 "build tests with debugger metadata"
596 opt libcpp 1 "build with llvm with libc++ instead of libstdc++ when using clang"
597 opt llvm-assertions 0 "build LLVM with assertions"
598 opt debug-assertions 0 "build with debugging assertions"
599 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
600 opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
601 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
602 opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
603 opt rpath 1 "build rpaths into rustc itself"
604 opt stage0-landing-pads 1 "enable landing pads during bootstrap with stage0"
605 # This is used by the automation to produce single-target nightlies
606 opt dist-host-only 0 "only install bins for the host architecture"
607 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
608 opt llvm-version-check 1 "check if the LLVM version is supported, build anyway"
609 opt rustbuild 0 "use the rust and cargo based build system"
610 opt orbit 0 "get MIR where it belongs - everywhere; most importantly, in orbit"
611 opt codegen-tests 1 "run the src/test/codegen tests"
612 opt option-checking 1 "complain about unrecognized options in this configure script"
614 # Optimization and debugging options. These may be overridden by the release channel, etc.
615 opt_nosave optimize 1 "build optimized rust code"
616 opt_nosave optimize-cxx 1 "build optimized C++ code"
617 opt_nosave optimize-llvm 1 "build optimized LLVM"
618 opt_nosave llvm-assertions 0 "build LLVM with assertions"
619 opt_nosave debug-assertions 0 "build with debugging assertions"
620 opt_nosave debuginfo 0 "build with debugger metadata"
621 opt_nosave debug-jemalloc 0 "build jemalloc with --enable-debug --enable-fill"
623 valopt localstatedir "/var/lib" "local state directory"
624 valopt sysconfdir "/etc" "install system configuration files"
626 valopt datadir "${CFG_PREFIX}/share" "install data"
627 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
628 valopt llvm-root "" "set LLVM root"
629 valopt python "" "set path to python"
630 valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located"
631 valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
632 valopt android-cross-path "" "Android NDK standalone path (deprecated)"
633 valopt i686-linux-android-ndk "" "i686-linux-android NDK standalone path"
634 valopt arm-linux-androideabi-ndk "" "arm-linux-androideabi NDK standalone path"
635 valopt aarch64-linux-android-ndk "" "aarch64-linux-android NDK standalone path"
636 valopt nacl-cross-path "" "NaCl SDK path (Pepper Canary is recommended). Must be absolute!"
637 valopt release-channel "dev" "the name of the release channel to build"
638 valopt musl-root "/usr/local" "MUSL root installation directory"
639 valopt extra-filename "" "Additional data that is hashed and passed to the -C extra-filename flag"
641 # Used on systems where "cc" and "ar" are unavailable
642 valopt default-linker "cc" "the default linker"
643 valopt default-ar "ar" "the default ar"
645 # Many of these are saved below during the "writing configuration" step
646 # (others are conditionally saved).
647 opt_nosave manage-submodules 1 "let the build manage the git submodules"
648 opt_nosave clang 0 "prefer clang to gcc for building the runtime"
649 opt_nosave jemalloc 1 "build liballoc with jemalloc"
650 opt elf-tls 1 "elf thread local storage on platforms where supported"
652 valopt_nosave prefix "/usr/local" "set installation prefix"
653 valopt_nosave local-rust-root "/usr/local" "set prefix for local rust binary"
654 valopt_nosave host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
655 valopt_nosave target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
656 valopt_nosave mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
658 # On Windows this determines root of the subtree for target libraries.
659 # Host runtime libs always go to 'bin'.
660 valopt libdir "${CFG_PREFIX}/lib" "install libraries"
662 case "$CFG_LIBDIR" in
663 "$CFG_PREFIX"/*) CAT_INC=2;;
664 "$CFG_PREFIX"*) CAT_INC=1;;
666 err "libdir must begin with the prefix. Use --prefix to set it accordingly.";;
669 CFG_LIBDIR_RELATIVE=`echo ${CFG_LIBDIR} | cut -c$((${#CFG_PREFIX}+${CAT_INC}))-`
678 if [ -z "$CFG_DISABLE_OPTION_CHECKING" ]
680 step_msg "validating $CFG_SELF args"
684 # Validate the release channel, and configure options
685 case "$CFG_RELEASE_CHANNEL" in
687 msg "overriding settings for $CFG_RELEASE_CHANNEL"
688 CFG_ENABLE_LLVM_ASSERTIONS=1
693 err "release channel must be 'dev', 'nightly', 'beta' or 'stable'"
697 # Adjust perf and debug options for debug mode
698 if [ -n "$CFG_ENABLE_DEBUG" ]; then
699 msg "debug mode enabled, setting performance options"
700 if [ -z "$CFG_ENABLE_OPTIMIZE_PROVIDED" ]; then
701 msg "optimization not explicitly enabled, disabling optimization"
702 CFG_DISABLE_OPTIMIZE=1
703 CFG_DISABLE_OPTIMIZE_CXX=1
706 # Set following variables to 1 unless setting already provided
707 enable_if_not_disabled debug-assertions
708 enable_if_not_disabled debug-jemalloc
709 enable_if_not_disabled debuginfo
710 enable_if_not_disabled llvm-assertions
713 # OK, now write the debugging options
714 if [ -n "$CFG_DISABLE_OPTIMIZE" ]; then putvar CFG_DISABLE_OPTIMIZE; fi
715 if [ -n "$CFG_DISABLE_OPTIMIZE_CXX" ]; then putvar CFG_DISABLE_OPTIMIZE_CXX; fi
716 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then putvar CFG_DISABLE_OPTIMIZE_LLVM; fi
717 if [ -n "$CFG_ENABLE_LLVM_ASSERTIONS" ]; then putvar CFG_ENABLE_LLVM_ASSERTIONS; fi
718 if [ -n "$CFG_ENABLE_DEBUG_ASSERTIONS" ]; then putvar CFG_ENABLE_DEBUG_ASSERTIONS; fi
719 if [ -n "$CFG_ENABLE_DEBUGINFO" ]; then putvar CFG_ENABLE_DEBUGINFO; fi
720 if [ -n "$CFG_ENABLE_DEBUG_JEMALLOC" ]; then putvar CFG_ENABLE_DEBUG_JEMALLOC; fi
722 if [ -n "$CFG_ENABLE_ORBIT" ]; then putvar CFG_ENABLE_ORBIT; fi
724 step_msg "looking for build programs"
726 probe_need CFG_CURLORWGET curl wget
727 if [ -z "$CFG_PYTHON_PROVIDED" ]; then
728 probe_need CFG_PYTHON python2.7 python2 python
731 python_version=$($CFG_PYTHON -V 2>&1)
732 if [ $(echo $python_version | grep -c '^Python 2\.7') -ne 1 ]; then
733 err "Found $python_version, but Python 2.7 is required"
736 # If we have no git directory then we are probably a tarball distribution
737 # and shouldn't attempt to load submodules
738 if [ ! -e ${CFG_SRC_DIR}.git ]
741 msg "git: no git directory. disabling submodules"
742 CFG_DISABLE_MANAGE_SUBMODULES=1
744 probe_need CFG_GIT git
747 # Use `md5sum` on GNU platforms, or `md5 -q` on BSD
749 probe CFG_MD5SUM md5sum
752 CFG_HASH_COMMAND="$CFG_MD5 -q | cut -c 1-8"
753 elif [ -n "$CFG_MD5SUM" ]
755 CFG_HASH_COMMAND="$CFG_MD5SUM | cut -c 1-8"
757 err 'could not find one of: md5 md5sum'
759 putvar CFG_HASH_COMMAND
761 probe CFG_CLANG clang++
762 probe CFG_CCACHE ccache
765 probe CFG_VALGRIND valgrind
768 probe CFG_ANTLR4 antlr4
771 probe CFG_BISON bison
775 # On MacOS X, invoking `javac` pops up a dialog if the JDK is not
776 # installed. Since `javac` is only used if `antlr4` is available,
777 # probe for it only in this case.
778 if [ -n "$CFG_ANTLR4" ]
780 probe CFG_JAVAC javac
783 # the valgrind rpass tests will fail if you don't have a valgrind, but they're
784 # only disabled if you opt out.
785 if [ -z "$CFG_VALGRIND" ]
787 # If the user has explicitly asked for valgrind tests, then fail
788 if [ -n "$CFG_ENABLE_VALGRIND" ] && [ -n "$CFG_ENABLE_VALGRIND_PROVIDED" ]
790 err "No valgrind present, but valgrind tests explicitly requested"
792 CFG_DISABLE_VALGRIND_RPASS=1
793 putvar CFG_DISABLE_VALGRIND_RPASS
799 # Store GDB's version
800 CFG_GDB_VERSION=$($CFG_GDB --version 2>/dev/null | head -1)
801 putvar CFG_GDB_VERSION
804 if [ -n "$CFG_LLDB" ]
806 # Store LLDB's version
807 CFG_LLDB_VERSION=$($CFG_LLDB --version 2>/dev/null | head -1)
808 putvar CFG_LLDB_VERSION
810 # If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
811 # LLDB via the -P commandline options.
812 if [ -z "$CFG_LLDB_PYTHON_DIR" ] || [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
814 CFG_LLDB_PYTHON_DIR=$($CFG_LLDB -P)
816 # If CFG_LLDB_PYTHON_DIR is not a valid directory, set it to something more readable
817 if [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
819 CFG_LLDB_PYTHON_DIR="LLDB_PYTHON_DIRECTORY_NOT_FOUND"
822 putvar CFG_LLDB_PYTHON_DIR
826 # LLDB tests on OSX require /usr/bin/python, not something like Homebrew's
827 # /usr/local/bin/python. We're loading a compiled module for LLDB tests which is
828 # only compatible with the system.
831 CFG_LLDB_PYTHON=/usr/bin/python
834 CFG_LLDB_PYTHON=$CFG_PYTHON
837 putvar CFG_LLDB_PYTHON
839 step_msg "looking for target specific programs"
844 if [ "$CFG_OSTYPE" = "pc-windows-gnu" ] || [ "$CFG_OSTYPE" = "pc-windows-msvc" ]
849 if [ -n "$CFG_ENABLE_LOCAL_RUST" ]
851 system_rustc=$(which rustc)
852 if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
854 : # everything already configured
855 elif [ -n "$system_rustc" ]
857 # we assume that rustc is in a /bin directory
858 CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc}
860 err "no local rust to use"
863 CMD="${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF}"
867 step_msg "failure while running $CMD --version"
870 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
871 putvar CFG_LOCAL_RUST_ROOT
874 # Force bitrig to build with clang; gcc doesn't like us there
875 if [ $CFG_OSTYPE = unknown-bitrig ]
877 step_msg "on Bitrig, forcing use of clang"
881 # default gcc version under OpenBSD maybe too old, try using egcc, which is a
882 # gcc version from ports
883 if [ $CFG_OSTYPE = unknown-openbsd ]
885 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
886 step_msg "older GCC found, try with egcc instead"
888 # probe again but using egcc
891 # and use egcc/eg++ for CC/CXX too if it was found
892 # (but user setting has priority)
893 if [ -n "$CFG_GCC" ]; then
900 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
901 # system, so if we find that gcc is clang, we should just use clang directly.
902 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
904 CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version")
907 step_msg "on OS X >=10.9, forcing use of clang"
910 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
911 step_msg "older GCC found, using clang instead"
914 # on OS X, with xcode 5 and newer, certain developers may have
915 # cc, gcc and g++ point to a mixture of clang and gcc
916 # if so, this will create very strange build errors
917 # this last stanza is to detect some such problems and save the future rust
918 # contributor some time solving that issue.
919 # this detection could be generalized to other OSes aside from OS X
920 # but the issue seems most likely to happen on OS X
923 $1 --version 2> /dev/null | grep -q $2
925 # check that gcc, cc and g++ all point to the same compiler.
926 # note that for xcode 5, g++ points to clang, not clang++
927 if !((chk_cc gcc clang && chk_cc g++ clang) ||
928 (chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))); then
929 err "the gcc and g++ in your path point to different compilers.
930 Check which versions are in your path with gcc --version and g++ --version.
931 To resolve this problem, either fix your PATH or run configure with --enable-clang"
938 # If the clang isn't already enabled, check for GCC, and if it is missing, turn
939 # on clang as a backup.
940 if [ -z "$CFG_ENABLE_CLANG" ]
942 CFG_GCC_VERSION=$("$CFG_GCC" --version 2>&1)
945 step_msg "GCC not installed, will try using Clang"
950 # Okay, at this point, we have made up our minds about whether we are
951 # going to force CFG_ENABLE_CLANG or not; save the setting if so.
952 if [ -n "$CFG_ENABLE_CLANG" ]
954 putvar CFG_ENABLE_CLANG
957 if [ -z "$CFG_DISABLE_LIBCPP" -a -n "$CFG_ENABLE_CLANG" ]
964 # Same with jemalloc. save the setting here.
965 if [ -n "$CFG_DISABLE_JEMALLOC" ]
967 putvar CFG_DISABLE_JEMALLOC
970 if [ -n "$CFG_LLVM_ROOT" -a -z "$CFG_DISABLE_LLVM_VERSION_CHECK" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
972 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
974 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
975 LLVM_VERSION=$($LLVM_CONFIG --version)
977 case $LLVM_VERSION in
979 msg "found ok version of LLVM: $LLVM_VERSION"
982 err "bad LLVM version: $LLVM_VERSION, need >=3.6"
987 # Even when the user overrides the choice of CC, still try to detect
988 # clang to disable some clang-specific warnings. We here draw a
989 # distinction between:
991 # CFG_ENABLE_CLANG : passed --enable-clang, or host "requires" clang,
992 # CFG_USING_CLANG : compiler (clang / gcc / $CC) looks like clang.
994 # This distinction is important because there are some safeguards we
995 # would prefer to skip when merely CFG_USING_CLANG is set; but when
996 # CFG_ENABLE_CLANG is set, that indicates that we are opting into
997 # running such safeguards.
1001 msg "skipping compiler inference steps; using provided CC=$CC"
1004 CFG_OSX_CC_VERSION=$("$CFG_CC" --version 2>&1 | grep "clang")
1007 step_msg "note, user-provided CC looks like clang; CC=$CC."
1009 putvar CFG_USING_CLANG
1012 if [ -n "$CFG_ENABLE_CLANG" ]
1014 if [ -z "$CFG_CLANG" ]
1016 err "clang requested but not found"
1020 putvar CFG_USING_CLANG
1026 if [ -n "$CFG_ENABLE_CLANG" ]
1030 CFG_CLANG_REPORTED_VERSION=$($CFG_CC --version | grep version)
1032 if echo $CFG_CLANG_REPORTED_VERSION | grep -q "(based on LLVM "; then
1033 CFG_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*(based on LLVM \(.*\))/\1/')
1034 elif echo $CFG_CLANG_REPORTED_VERSION | grep -q "Apple LLVM"; then
1035 CFG_OSX_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*version \(.*\) .*/\1/')
1037 CFG_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*version \(.*\) .*/\1/')
1040 if [ -n "$CFG_OSX_CLANG_VERSION" ]
1042 case $CFG_OSX_CLANG_VERSION in
1043 (7.0* | 7.1* | 7.2* | 7.3*)
1044 step_msg "found ok version of APPLE CLANG: $CFG_OSX_CLANG_VERSION"
1047 err "bad APPLE CLANG version: $CFG_OSX_CLANG_VERSION, need >=7.0"
1051 case $CFG_CLANG_VERSION in
1052 (3.2* | 3.3* | 3.4* | 3.5* | 3.6* | 3.7* | 3.8* | 3.9*)
1053 step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
1056 err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
1069 if [ -n "$CFG_ENABLE_CCACHE" ]
1071 if [ -z "$CFG_CCACHE" ]
1073 err "ccache requested but not found"
1076 CFG_CC="ccache $CFG_CC"
1079 if [ -z "$CC" -a -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
1081 err "either clang or gcc is required"
1084 # All safeguards based on $CFG_ENABLE_CLANG should occur before this
1085 # point in the script; after this point, script logic should inspect
1086 # $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG.
1088 # Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS,LDFLAGS}
1096 # stdc++ name in use
1097 # used to manage non-standard name (on OpenBSD for example)
1098 program_transform_name=$($CFG_CC -v 2>&1 | sed -n "s/.*--program-transform-name='\([^']*\)'.*/\1/p")
1099 CFG_STDCPP_NAME=$(echo "stdc++" | sed "${program_transform_name}")
1100 putvar CFG_STDCPP_NAME
1102 # a little post-processing of various config values
1103 CFG_PREFIX=${CFG_PREFIX%/}
1104 CFG_MANDIR=${CFG_MANDIR%/}
1105 CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
1106 CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
1107 CFG_SUPPORTED_TARGET=""
1108 for target_file in ${CFG_SRC_DIR}mk/cfg/*.mk; do
1109 CFG_SUPPORTED_TARGET="${CFG_SUPPORTED_TARGET} $(basename "$target_file" .mk)"
1112 # copy build-triples to host-triples so that builds are a subset of hosts
1114 for i in $CFG_BUILD $CFG_HOST;
1116 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
1120 # copy host-triples to target-triples so that hosts are a subset of targets
1122 for i in $CFG_HOST $CFG_TARGET;
1124 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
1128 # check target-specific tool-chains
1129 for i in $CFG_TARGET
1132 for j in $CFG_SUPPORTED_TARGET
1140 if [ $L_CHECK = false ]
1142 err "unsupported target triples \"$i\" found"
1147 upper_snake_target=$(echo "$i" | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
1148 eval ndk=\$"CFG_${upper_snake_target}_NDK"
1151 ndk=$CFG_ANDROID_CROSS_PATH
1152 eval "CFG_${upper_snake_target}_NDK"=$CFG_ANDROID_CROSS_PATH
1153 warn "generic/default Android NDK option is deprecated (use --$i-ndk option instead)"
1156 # Perform a basic sanity check of the NDK
1157 for android_ndk_tool in "$ndk/bin/$i-gcc" "$ndk/bin/$i-g++" "$ndk/bin/$i-ar"
1159 if [ ! -f $android_ndk_tool ]
1161 err "NDK tool $android_ndk_tool not found (bad or missing --$i-ndk option?)"
1166 if [ -z "$CFG_NACL_CROSS_PATH" ]
1168 err "I need the NaCl SDK path! (use --nacl-cross-path)"
1172 if [ $CFG_OSTYPE != apple-darwin ]
1174 err "The iOS target is only supported on Mac OS X"
1180 if [ ! -f $CFG_MUSL_ROOT/lib/libc.a ]
1182 err "musl libc $CFG_MUSL_ROOT/lib/libc.a not found"
1187 # There are some MSYS python builds which will auto-translate
1188 # windows-style paths to MSYS-style paths in Python itself.
1189 # Unfortunately this breaks LLVM's build system as somewhere along
1190 # the line LLVM prints a path into a file from Python and then CMake
1191 # later tries to interpret that path. If Python prints a MSYS path
1192 # and CMake tries to use it as a Windows path, you're gonna have a
1195 # Consequently here we try to detect when that happens and print an
1197 if $CFG_PYTHON -c 'import sys; print sys.argv[1]' `pwd` | grep '^/' > /dev/null
1201 python is silently translating windows paths to MSYS paths \
1202 and the build will fail if this python is used.
1204 Either an official python install must be used or an \
1205 alternative python package in MinGW must be used.
1207 If you are building under msys2 try installing the mingw-w64-x86_64-python2 \
1208 package instead of python2:
1210 $ pacman -R python2 && pacman -S mingw-w64-x86_64-python2
1214 # MSVC requires cmake because that's how we're going to build LLVM
1215 probe_need CFG_CMAKE cmake
1217 # There are three builds of cmake on windows: MSVC, MinGW and Cygwin
1218 # The Cygwin build does not have generators for Visual Studio, so
1219 # detect that here and error.
1220 if ! "$CFG_CMAKE" --help | sed -n '/^Generators/,$p' | grep 'Visual Studio' > /dev/null
1224 cmake does not support Visual Studio generators.
1226 This is likely due to it being an msys/cygwin build of cmake, \
1227 rather than the required windows version, built using MinGW \
1230 If you are building under msys2 try installing the mingw-w64-x86_64-cmake \
1231 package instead of cmake:
1233 $ pacman -R cmake && pacman -S mingw-w64-x86_64-cmake
1237 # Use the REG program to figure out where VS is installed
1238 # We need to figure out where cl.exe and link.exe are, so we do some
1239 # munging and some probing here. We also look for the default
1240 # INCLUDE and LIB variables for MSVC so we can set those in the
1241 # build system as well.
1242 install=$(cmd //c reg QUERY \
1243 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\14.0' \
1245 if [ -z "$install" ]; then
1246 install=$(cmd //c reg QUERY \
1247 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\12.0' \
1250 need_ok "couldn't find visual studio install root"
1251 CFG_MSVC_ROOT=$(echo "$install" | grep InstallDir | sed 's/.*REG_SZ[ ]*//')
1252 CFG_MSVC_ROOT=$(dirname "$CFG_MSVC_ROOT")
1253 CFG_MSVC_ROOT=$(dirname "$CFG_MSVC_ROOT")
1254 putvar CFG_MSVC_ROOT
1266 err "can only target x86 targets for MSVC"
1269 bindir="${CFG_MSVC_ROOT}/VC/bin"
1270 if [ -n "$msvc_part" ]; then
1271 bindir="$bindir/$msvc_part"
1273 eval CFG_MSVC_BINDIR_$bits="\"$bindir\""
1274 eval CFG_MSVC_CL_$bits="\"$bindir/cl.exe\""
1275 eval CFG_MSVC_LIB_$bits="\"$bindir/lib.exe\""
1276 eval CFG_MSVC_LINK_$bits="\"$bindir/link.exe\""
1278 vcvarsall="${CFG_MSVC_ROOT}/VC/vcvarsall.bat"
1279 include_path=$(cmd //V:ON //c "$vcvarsall" $msvc_part \& echo !INCLUDE!)
1280 need_ok "failed to learn about MSVC's INCLUDE"
1281 lib_path=$(cmd //V:ON //c "$vcvarsall" $msvc_part \& echo !LIB!)
1282 need_ok "failed to learn about MSVC's LIB"
1284 eval CFG_MSVC_INCLUDE_PATH_${bits}="\"$include_path\""
1285 eval CFG_MSVC_LIB_PATH_${bits}="\"$lib_path\""
1287 putvar CFG_MSVC_BINDIR_${bits}
1288 putvar CFG_MSVC_CL_${bits}
1289 putvar CFG_MSVC_LIB_${bits}
1290 putvar CFG_MSVC_LINK_${bits}
1291 putvar CFG_MSVC_INCLUDE_PATH_${bits}
1292 putvar CFG_MSVC_LIB_PATH_${bits}
1300 if [ -n "$CFG_PERF" ]
1302 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
1303 if [ -z "$HAVE_PERF_LOGFD" ];
1305 CFG_PERF_WITH_LOGFD=1
1306 putvar CFG_PERF_WITH_LOGFD
1310 if [ -z "$CFG_ENABLE_RUSTBUILD" ]; then
1312 step_msg "making directories"
1315 doc doc/std doc/extra \
1328 make_dir $t/rustllvm
1331 for t in $CFG_TARGET
1336 make_dir $t/rt/stage$s
1337 make_dir $t/rt/jemalloc
1338 make_dir $t/rt/compiler-rt
1341 arch/i386 arch/x86_64 arch/arm arch/aarch64 arch/mips arch/powerpc
1343 make_dir $t/rt/stage$s/$i
1350 for t in $CFG_TARGET
1352 # host bin dir stage0
1353 make_dir $h/stage0/bin
1355 # host lib dir stage0
1356 make_dir $h/stage0/lib
1358 # host test dir stage0
1359 make_dir $h/stage0/test
1361 # target bin dir stage0
1362 make_dir $h/stage0/lib/rustlib/$t/bin
1364 # target lib dir stage0
1365 make_dir $h/stage0/lib/rustlib/$t/lib
1370 make_dir $h/stage$i/bin
1373 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE
1376 make_dir $h/stage$i/test
1379 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin
1382 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib
1386 make_dir $h/test/run-pass
1387 make_dir $h/test/run-pass-valgrind
1388 make_dir $h/test/run-pass-fulldeps
1389 make_dir $h/test/run-fail
1390 make_dir $h/test/run-fail-fulldeps
1391 make_dir $h/test/compile-fail
1392 make_dir $h/test/parse-fail
1393 make_dir $h/test/compile-fail-fulldeps
1394 make_dir $h/test/bench
1395 make_dir $h/test/perf
1396 make_dir $h/test/pretty
1397 make_dir $h/test/debuginfo-gdb
1398 make_dir $h/test/debuginfo-lldb
1399 make_dir $h/test/codegen
1400 make_dir $h/test/codegen-units
1401 make_dir $h/test/rustdoc
1406 # Configure submodules
1407 step_msg "configuring submodules"
1409 # Have to be in the top of src directory for this
1410 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ] && [ -z $CFG_ENABLE_RUSTBUILD ]
1414 msg "git: submodule sync"
1415 "${CFG_GIT}" submodule sync
1417 msg "git: submodule init"
1418 "${CFG_GIT}" submodule init
1420 # Disable submodules that we're not using
1421 if [ -n "${CFG_LLVM_ROOT}" ]; then
1422 msg "git: submodule deinit src/llvm"
1423 "${CFG_GIT}" submodule deinit src/llvm
1425 if [ -n "${CFG_JEMALLOC_ROOT}" ]; then
1426 msg "git: submodule deinit src/jemalloc"
1427 "${CFG_GIT}" submodule deinit src/jemalloc
1430 msg "git: submodule update"
1431 "${CFG_GIT}" submodule update
1432 need_ok "git failed"
1434 msg "git: submodule foreach sync"
1435 "${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
1436 need_ok "git failed"
1438 msg "git: submodule foreach update"
1439 "${CFG_GIT}" submodule update --recursive
1440 need_ok "git failed"
1442 # NB: this is just for the sake of getting the submodule SHA1 values
1443 # and status written into the build log.
1444 msg "git: submodule status"
1445 "${CFG_GIT}" submodule status --recursive
1447 msg "git: submodule clobber"
1448 "${CFG_GIT}" submodule foreach --recursive git clean -dxf
1449 need_ok "git failed"
1450 "${CFG_GIT}" submodule foreach --recursive git checkout .
1451 need_ok "git failed"
1456 # Do a sanity check that the submodule source exists. Because GitHub
1457 # automatically publishes broken tarballs that can't be disabled, and
1458 # people download them and try to use them.
1459 if [ ! -e "${CFG_SRC_DIR}/src/liblibc" ]; then
1460 err "some submodules are missing. Is this a broken tarball?
1462 If you downloaded this tarball from the GitHub release pages at
1463 https://github.com/rust-lang/rust/releases,
1464 then please delete it and instead download the source from
1465 https://www.rust-lang.org/downloads.html"
1469 # Configure llvm, only if necessary
1470 step_msg "looking at LLVM"
1471 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
1482 if [ -n "$CFG_ENABLE_RUSTBUILD" ]
1484 msg "not configuring LLVM, rustbuild in use"
1486 elif [ -z $CFG_LLVM_ROOT ]
1488 LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm
1489 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]
1491 LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
1492 # Just use LLVM straight from its build directory to
1493 # avoid 'make install' time
1494 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
1496 LLVM_DBG_OPTS="--enable-optimized"
1497 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
1499 if [ -z "$CFG_ENABLE_LLVM_ASSERTIONS" ]
1501 LLVM_ASSERTION_OPTS="--disable-assertions"
1503 LLVM_ASSERTION_OPTS="--enable-assertions"
1505 # Apparently even if we request assertions be enabled for MSVC,
1506 # LLVM's CMake build system ignore this and outputs in `Release`
1508 if [ ${is_msvc} -eq 0 ]; then
1509 LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts
1513 msg "not reconfiguring LLVM, external LLVM root"
1514 # The user is using their own LLVM
1516 LLVM_INST_DIR=$CFG_LLVM_ROOT
1518 # Check that LLVm FileCheck is available. Needed for the tests
1519 if [ -z "$CFG_DISABLE_CODEGEN_TESTS" ]; then
1520 need_cmd $LLVM_INST_DIR/bin/FileCheck
1524 if [ ${do_reconfigure} -ne 0 ]
1526 # because git is hilarious, it might have put the module index
1527 # in a couple places.
1528 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
1529 index2="${CFG_SRC_DIR}src/llvm/.git/index"
1530 for index in ${index1} ${index2}
1532 config_status="${LLVM_BUILD_DIR}/config.status"
1533 if test -e ${index} -a \
1534 -e ${config_status} -a \
1535 ${config_status} -nt ${index}
1537 msg "not reconfiguring LLVM, config.status is fresh"
1543 # We need the generator later on for compiler-rt even if LLVM's not built
1544 if [ ${is_msvc} -ne 0 ]
1546 case "$CFG_MSVC_ROOT" in
1548 generator="Visual Studio 14 2015"
1551 generator="Visual Studio 12 2013"
1554 err "can't determine generator for LLVM cmake"
1559 generator="$generator Win64"
1564 err "can only build LLVM for x86 platforms"
1567 CFG_CMAKE_GENERATOR=$generator
1568 putvar CFG_CMAKE_GENERATOR
1571 if [ ${do_reconfigure} -ne 0 ] && [ ${is_msvc} -ne 0 ]
1573 msg "configuring LLVM for $t with cmake"
1575 CMAKE_ARGS="-DLLVM_INCLUDE_TESTS=OFF"
1576 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then
1577 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Debug"
1579 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release"
1581 if [ -z "$CFG_ENABLE_LLVM_ASSERTIONS" ]
1583 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=OFF"
1585 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=ON"
1588 msg "configuring LLVM with:"
1591 (cd $LLVM_BUILD_DIR && "$CFG_CMAKE" $CFG_LLVM_SRC_DIR \
1592 -G "$CFG_CMAKE_GENERATOR" \
1594 need_ok "LLVM cmake configure failed"
1597 if [ ${do_reconfigure} -ne 0 ] && [ ${is_msvc} -eq 0 ]
1599 # LLVM's configure doesn't recognize the new Windows triples yet
1600 gnu_t=$(to_gnu_triple $t)
1602 msg "configuring LLVM for $gnu_t"
1604 LLVM_TARGETS="--enable-targets=x86,x86_64,arm,aarch64,mips,powerpc"
1605 LLVM_BUILD="--build=$gnu_t"
1606 LLVM_HOST="--host=$gnu_t"
1607 LLVM_TARGET="--target=$gnu_t"
1609 # Disable unused LLVM features
1610 LLVM_OPTS="$LLVM_DBG_OPTS $LLVM_ASSERTION_OPTS --disable-docs --enable-bindings=none"
1611 # Disable term-info, linkage of which comes in multiple forms,
1612 # making our snapshots incompatible (#9334)
1613 LLVM_OPTS="$LLVM_OPTS --disable-terminfo"
1614 # Try to have LLVM pull in as few dependencies as possible (#9397)
1615 LLVM_OPTS="$LLVM_OPTS --disable-zlib --disable-libffi"
1617 # Use win32 native thread/lock apis instead of pthread wrapper.
1618 # (llvm's configure tries to find pthread first, so we have to disable it explicitly.)
1619 # Also note that pthreads works badly on mingw-w64 systems: #8996
1620 case "$CFG_BUILD" in
1622 LLVM_OPTS="$LLVM_OPTS --disable-pthreads"
1628 LLVM_CXX_32="ccache clang++ -Qunused-arguments"
1629 LLVM_CC_32="ccache clang -Qunused-arguments"
1631 LLVM_CXX_64="ccache clang++ -Qunused-arguments"
1632 LLVM_CC_64="ccache clang -Qunused-arguments"
1635 LLVM_CXX_32="clang++ -Qunused-arguments"
1636 LLVM_CC_32="clang -Qunused-arguments"
1638 LLVM_CXX_64="clang++ -Qunused-arguments"
1639 LLVM_CC_64="clang -Qunused-arguments"
1642 LLVM_CXX_32="ccache g++"
1643 LLVM_CC_32="ccache gcc"
1645 LLVM_CXX_64="ccache g++"
1646 LLVM_CC_64="ccache gcc"
1657 msg "inferring LLVM_CXX/CC from CXX/CC = $CXX/$CC"
1658 if [ -n "$CFG_ENABLE_CCACHE" ]
1660 if [ -z "$CFG_CCACHE" ]
1662 err "ccache requested but not found"
1665 LLVM_CXX_32="ccache $CXX"
1666 LLVM_CC_32="ccache $CC"
1668 LLVM_CXX_64="ccache $CXX"
1669 LLVM_CC_64="ccache $CC"
1681 case "$CFG_CPUTYPE" in
1683 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1684 LLVM_CC_32="$LLVM_CC_32 -m32"
1686 LLVM_CFLAGS_32="-m32"
1687 LLVM_CXXFLAGS_32="-m32"
1688 LLVM_LDFLAGS_32="-m32"
1694 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1695 LLVM_CC_32="$LLVM_CC_32 -m32"
1709 if echo $t | grep -q x86_64
1711 LLVM_CXX=$LLVM_CXX_64
1713 LLVM_CFLAGS=$LLVM_CFLAGS_64
1714 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
1715 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
1717 LLVM_CXX=$LLVM_CXX_32
1719 LLVM_CFLAGS=$LLVM_CFLAGS_32
1720 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
1721 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
1726 CFLAGS="$CFLAGS $LLVM_CFLAGS"
1727 CXXFLAGS="$CXXFLAGS $LLVM_CXXFLAGS"
1728 LDFLAGS="$LDFLAGS $LLVM_LDFLAGS"
1730 if [ "$CFG_USING_LIBCPP" != "0" ]; then
1731 LLVM_OPTS="$LLVM_OPTS --enable-libcpp"
1734 LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
1735 $LLVM_HOST $LLVM_TARGET --with-python=$CFG_PYTHON"
1737 msg "configuring LLVM with:"
1747 case $CFG_SRC_DIR in
1748 /* | [a-z]:* | [A-Z]:*)
1749 ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
1752 ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
1756 need_ok "LLVM configure failed"
1761 # Construct variables for LLVM build and install directories for
1762 # each target. These will be named
1763 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
1764 # target_triple will be converted to underscore, because bash
1765 # variables can't contain hyphens. The makefile will then have to
1767 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1768 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1769 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
1770 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
1774 step_msg "writing configuration"
1777 putvar CFG_SRC_DIR_RELATIVE
1778 putvar CFG_BUILD_DIR
1781 putvar CFG_CONFIGURE_ARGS
1785 putvar CFG_LIBDIR_RELATIVE
1786 putvar CFG_DISABLE_MANAGE_SUBMODULES
1787 putvar CFG_AARCH64_LINUX_ANDROID_NDK
1788 putvar CFG_ARM_LINUX_ANDROIDEABI_NDK
1789 putvar CFG_I686_LINUX_ANDROID_NDK
1790 putvar CFG_NACL_CROSS_PATH
1792 putvar CFG_USING_LIBCPP
1794 # Avoid spurious warnings from clang by feeding it original source on
1795 # ccache-miss rather than preprocessed input.
1796 if [ -n "$CFG_ENABLE_CCACHE" ] && [ -n "$CFG_USING_CLANG" ]
1799 putvar CFG_CCACHE_CPP2
1802 if [ -n "$CFG_ENABLE_CCACHE" ]
1804 CFG_CCACHE_BASEDIR=${CFG_SRC_DIR}
1805 putvar CFG_CCACHE_BASEDIR
1809 putvar CFG_LLVM_SRC_DIR
1813 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1814 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1815 putvar $CFG_LLVM_BUILD_DIR
1816 putvar $CFG_LLVM_INST_DIR
1819 if [ -n "$CFG_ENABLE_RUSTBUILD" ]
1821 INPUT_MAKEFILE=src/bootstrap/mk/Makefile.in
1823 INPUT_MAKEFILE=Makefile.in
1827 copy_if_changed ${CFG_SRC_DIR}${INPUT_MAKEFILE} ./Makefile
1828 move_if_changed config.tmp config.mk
1832 if [ -z "$CFG_ENABLE_DEBUG" ]; then
1833 step_msg "configured in release mode. for development consider --enable-debug"
1838 msg "run \`make help\`"