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 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"
615 opt ninja 0 "build LLVM using the Ninja generator (for MSVC, requires building in the correct environment)"
617 # Optimization and debugging options. These may be overridden by the release channel, etc.
618 opt_nosave optimize 1 "build optimized rust code"
619 opt_nosave optimize-cxx 1 "build optimized C++ code"
620 opt_nosave optimize-llvm 1 "build optimized LLVM"
621 opt_nosave llvm-assertions 0 "build LLVM with assertions"
622 opt_nosave debug-assertions 0 "build with debugging assertions"
623 opt_nosave debuginfo 0 "build with debugger metadata"
624 opt_nosave debug-jemalloc 0 "build jemalloc with --enable-debug --enable-fill"
626 valopt localstatedir "/var/lib" "local state directory"
627 valopt sysconfdir "/etc" "install system configuration files"
629 valopt datadir "${CFG_PREFIX}/share" "install data"
630 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
631 valopt llvm-root "" "set LLVM root"
632 valopt python "" "set path to python"
633 valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located"
634 valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
635 valopt android-cross-path "" "Android NDK standalone path (deprecated)"
636 valopt i686-linux-android-ndk "" "i686-linux-android NDK standalone path"
637 valopt arm-linux-androideabi-ndk "" "arm-linux-androideabi NDK standalone path"
638 valopt armv7-linux-androideabi-ndk "" "armv7-linux-androideabi NDK standalone path"
639 valopt aarch64-linux-android-ndk "" "aarch64-linux-android NDK standalone path"
640 valopt nacl-cross-path "" "NaCl SDK path (Pepper Canary is recommended). Must be absolute!"
641 valopt release-channel "dev" "the name of the release channel to build"
642 valopt musl-root "/usr/local" "MUSL root installation directory"
643 valopt extra-filename "" "Additional data that is hashed and passed to the -C extra-filename flag"
645 # Used on systems where "cc" and "ar" are unavailable
646 valopt default-linker "cc" "the default linker"
647 valopt default-ar "ar" "the default ar"
649 # Many of these are saved below during the "writing configuration" step
650 # (others are conditionally saved).
651 opt_nosave manage-submodules 1 "let the build manage the git submodules"
652 opt_nosave clang 0 "prefer clang to gcc for building the runtime"
653 opt_nosave jemalloc 1 "build liballoc with jemalloc"
654 opt elf-tls 1 "elf thread local storage on platforms where supported"
656 valopt_nosave prefix "/usr/local" "set installation prefix"
657 valopt_nosave local-rust-root "/usr/local" "set prefix for local rust binary"
658 valopt_nosave host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
659 valopt_nosave target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
660 valopt_nosave mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
662 # On Windows this determines root of the subtree for target libraries.
663 # Host runtime libs always go to 'bin'.
664 valopt libdir "${CFG_PREFIX}/lib" "install libraries"
666 case "$CFG_LIBDIR" in
667 "$CFG_PREFIX"/*) CAT_INC=2;;
668 "$CFG_PREFIX"*) CAT_INC=1;;
670 err "libdir must begin with the prefix. Use --prefix to set it accordingly.";;
673 CFG_LIBDIR_RELATIVE=`echo ${CFG_LIBDIR} | cut -c$((${#CFG_PREFIX}+${CAT_INC}))-`
682 if [ -z "$CFG_DISABLE_OPTION_CHECKING" ]
684 step_msg "validating $CFG_SELF args"
688 # Validate the release channel, and configure options
689 case "$CFG_RELEASE_CHANNEL" in
691 msg "overriding settings for $CFG_RELEASE_CHANNEL"
692 CFG_ENABLE_LLVM_ASSERTIONS=1
697 err "release channel must be 'dev', 'nightly', 'beta' or 'stable'"
701 # Adjust perf and debug options for debug mode
702 if [ -n "$CFG_ENABLE_DEBUG" ]; then
703 msg "debug mode enabled, setting performance options"
704 if [ -z "$CFG_ENABLE_OPTIMIZE_PROVIDED" ]; then
705 msg "optimization not explicitly enabled, disabling optimization"
706 CFG_DISABLE_OPTIMIZE=1
707 CFG_DISABLE_OPTIMIZE_CXX=1
710 # Set following variables to 1 unless setting already provided
711 enable_if_not_disabled debug-assertions
712 enable_if_not_disabled debug-jemalloc
713 enable_if_not_disabled debuginfo
714 enable_if_not_disabled llvm-assertions
717 # OK, now write the debugging options
718 if [ -n "$CFG_DISABLE_OPTIMIZE" ]; then putvar CFG_DISABLE_OPTIMIZE; fi
719 if [ -n "$CFG_DISABLE_OPTIMIZE_CXX" ]; then putvar CFG_DISABLE_OPTIMIZE_CXX; fi
720 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then putvar CFG_DISABLE_OPTIMIZE_LLVM; fi
721 if [ -n "$CFG_ENABLE_LLVM_ASSERTIONS" ]; then putvar CFG_ENABLE_LLVM_ASSERTIONS; fi
722 if [ -n "$CFG_ENABLE_DEBUG_ASSERTIONS" ]; then putvar CFG_ENABLE_DEBUG_ASSERTIONS; fi
723 if [ -n "$CFG_ENABLE_DEBUGINFO" ]; then putvar CFG_ENABLE_DEBUGINFO; fi
724 if [ -n "$CFG_ENABLE_DEBUG_JEMALLOC" ]; then putvar CFG_ENABLE_DEBUG_JEMALLOC; fi
726 if [ -n "$CFG_ENABLE_ORBIT" ]; then putvar CFG_ENABLE_ORBIT; fi
728 step_msg "looking for build programs"
730 probe_need CFG_CURL curl
731 if [ -z "$CFG_PYTHON_PROVIDED" ]; then
732 probe_need CFG_PYTHON python2.7 python2 python
735 python_version=$($CFG_PYTHON -V 2>&1)
736 if [ $(echo $python_version | grep -c '^Python 2\.7') -ne 1 ]; then
737 err "Found $python_version, but Python 2.7 is required"
740 # If we have no git directory then we are probably a tarball distribution
741 # and shouldn't attempt to load submodules
742 if [ ! -e ${CFG_SRC_DIR}.git ]
745 msg "git: no git directory. disabling submodules"
746 CFG_DISABLE_MANAGE_SUBMODULES=1
748 probe_need CFG_GIT git
751 # Use `md5sum` on GNU platforms, or `md5 -q` on BSD
753 probe CFG_MD5SUM md5sum
756 CFG_HASH_COMMAND="$CFG_MD5 -q | cut -c 1-8"
757 elif [ -n "$CFG_MD5SUM" ]
759 CFG_HASH_COMMAND="$CFG_MD5SUM | cut -c 1-8"
761 err 'could not find one of: md5 md5sum'
763 putvar CFG_HASH_COMMAND
765 probe CFG_CLANG clang++
766 probe CFG_CCACHE ccache
769 probe CFG_VALGRIND valgrind
772 probe CFG_ANTLR4 antlr4
775 probe CFG_BISON bison
779 if [ -n "$CFG_ENABLE_NINJA" ]
781 probe CFG_NINJA ninja
782 if [ -z "$CFG_NINJA" ]
784 # On Debian and Fedora, the `ninja` binary is an IRC bot, so the build tool was
785 # renamed. Handle this case.
786 probe CFG_NINJA ninja-build
791 probe_need CFG_CMAKE cmake
793 # On MacOS X, invoking `javac` pops up a dialog if the JDK is not
794 # installed. Since `javac` is only used if `antlr4` is available,
795 # probe for it only in this case.
796 if [ -n "$CFG_ANTLR4" ]
798 probe CFG_JAVAC javac
801 # the valgrind rpass tests will fail if you don't have a valgrind, but they're
802 # only disabled if you opt out.
803 if [ -z "$CFG_VALGRIND" ]
805 # If the user has explicitly asked for valgrind tests, then fail
806 if [ -n "$CFG_ENABLE_VALGRIND" ] && [ -n "$CFG_ENABLE_VALGRIND_PROVIDED" ]
808 err "No valgrind present, but valgrind tests explicitly requested"
810 CFG_DISABLE_VALGRIND_RPASS=1
811 putvar CFG_DISABLE_VALGRIND_RPASS
817 # Store GDB's version
818 CFG_GDB_VERSION=$($CFG_GDB --version 2>/dev/null | head -1)
819 putvar CFG_GDB_VERSION
822 if [ -n "$CFG_LLDB" ]
824 # Store LLDB's version
825 CFG_LLDB_VERSION=$($CFG_LLDB --version 2>/dev/null | head -1)
826 putvar CFG_LLDB_VERSION
828 # If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
829 # LLDB via the -P commandline options.
830 if [ -z "$CFG_LLDB_PYTHON_DIR" ] || [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
832 CFG_LLDB_PYTHON_DIR=$($CFG_LLDB -P)
834 # If CFG_LLDB_PYTHON_DIR is not a valid directory, set it to something more readable
835 if [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
837 CFG_LLDB_PYTHON_DIR="LLDB_PYTHON_DIRECTORY_NOT_FOUND"
840 putvar CFG_LLDB_PYTHON_DIR
844 # LLDB tests on OSX require /usr/bin/python, not something like Homebrew's
845 # /usr/local/bin/python. We're loading a compiled module for LLDB tests which is
846 # only compatible with the system.
849 CFG_LLDB_PYTHON=/usr/bin/python
852 CFG_LLDB_PYTHON=$CFG_PYTHON
855 putvar CFG_LLDB_PYTHON
857 step_msg "looking for target specific programs"
862 if [ "$CFG_OSTYPE" = "pc-windows-gnu" ] || [ "$CFG_OSTYPE" = "pc-windows-msvc" ]
867 # --enable-local-rebuild implies --enable-local-rust too
868 if [ -n "$CFG_ENABLE_LOCAL_REBUILD" ]
870 if [ -z "$CFG_ENABLE_LOCAL_RUST" ]
872 CFG_ENABLE_LOCAL_RUST=1
873 putvar CFG_ENABLE_LOCAL_RUST
877 if [ -n "$CFG_ENABLE_LOCAL_RUST" ]
879 system_rustc=$(which rustc)
880 if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
882 : # everything already configured
883 elif [ -n "$system_rustc" ]
885 # we assume that rustc is in a /bin directory
886 CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc}
888 err "no local rust to use"
891 CMD="${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF}"
895 step_msg "failure while running $CMD --version"
898 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
899 putvar CFG_LOCAL_RUST_ROOT
902 # Force bitrig to build with clang; gcc doesn't like us there
903 if [ $CFG_OSTYPE = unknown-bitrig ]
905 step_msg "on Bitrig, forcing use of clang"
909 # default gcc version under OpenBSD maybe too old, try using egcc, which is a
910 # gcc version from ports
911 if [ $CFG_OSTYPE = unknown-openbsd ]
913 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
914 step_msg "older GCC found, try with egcc instead"
916 # probe again but using egcc
919 # and use egcc/eg++ for CC/CXX too if it was found
920 # (but user setting has priority)
921 if [ -n "$CFG_GCC" ]; then
928 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
929 # system, so if we find that gcc is clang, we should just use clang directly.
930 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
932 CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version")
935 step_msg "on OS X >=10.9, forcing use of clang"
938 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
939 step_msg "older GCC found, using clang instead"
942 # on OS X, with xcode 5 and newer, certain developers may have
943 # cc, gcc and g++ point to a mixture of clang and gcc
944 # if so, this will create very strange build errors
945 # this last stanza is to detect some such problems and save the future rust
946 # contributor some time solving that issue.
947 # this detection could be generalized to other OSes aside from OS X
948 # but the issue seems most likely to happen on OS X
951 $1 --version 2> /dev/null | grep -q $2
953 # check that gcc, cc and g++ all point to the same compiler.
954 # note that for xcode 5, g++ points to clang, not clang++
955 if !((chk_cc gcc clang && chk_cc g++ clang) ||
956 (chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))); then
957 err "the gcc and g++ in your path point to different compilers.
958 Check which versions are in your path with gcc --version and g++ --version.
959 To resolve this problem, either fix your PATH or run configure with --enable-clang"
966 # If the clang isn't already enabled, check for GCC, and if it is missing, turn
967 # on clang as a backup.
968 if [ -z "$CFG_ENABLE_CLANG" ]
970 CFG_GCC_VERSION=$("$CFG_GCC" --version 2>&1)
973 step_msg "GCC not installed, will try using Clang"
978 # Okay, at this point, we have made up our minds about whether we are
979 # going to force CFG_ENABLE_CLANG or not; save the setting if so.
980 if [ -n "$CFG_ENABLE_CLANG" ]
982 putvar CFG_ENABLE_CLANG
985 if [ -z "$CFG_DISABLE_LIBCPP" -a -n "$CFG_ENABLE_CLANG" ]
992 # Same with jemalloc. save the setting here.
993 if [ -n "$CFG_DISABLE_JEMALLOC" ]
995 putvar CFG_DISABLE_JEMALLOC
998 if [ -n "$CFG_LLVM_ROOT" -a -z "$CFG_DISABLE_LLVM_VERSION_CHECK" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
1000 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
1002 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
1003 LLVM_VERSION=$($LLVM_CONFIG --version)
1005 case $LLVM_VERSION in
1007 msg "found ok version of LLVM: $LLVM_VERSION"
1010 err "bad LLVM version: $LLVM_VERSION, need >=3.7"
1015 # Even when the user overrides the choice of CC, still try to detect
1016 # clang to disable some clang-specific warnings. We here draw a
1017 # distinction between:
1019 # CFG_ENABLE_CLANG : passed --enable-clang, or host "requires" clang,
1020 # CFG_USING_CLANG : compiler (clang / gcc / $CC) looks like clang.
1022 # This distinction is important because there are some safeguards we
1023 # would prefer to skip when merely CFG_USING_CLANG is set; but when
1024 # CFG_ENABLE_CLANG is set, that indicates that we are opting into
1025 # running such safeguards.
1029 msg "skipping compiler inference steps; using provided CC=$CC"
1032 CFG_OSX_CC_VERSION=$("$CFG_CC" --version 2>&1 | grep "clang")
1035 step_msg "note, user-provided CC looks like clang; CC=$CC."
1037 putvar CFG_USING_CLANG
1040 if [ -n "$CFG_ENABLE_CLANG" ]
1042 if [ -z "$CFG_CLANG" ]
1044 err "clang requested but not found"
1048 putvar CFG_USING_CLANG
1054 if [ -n "$CFG_ENABLE_CLANG" ]
1066 if [ -n "$CFG_ENABLE_CCACHE" ]
1068 if [ -z "$CFG_CCACHE" ]
1070 err "ccache requested but not found"
1073 CFG_CC="ccache $CFG_CC"
1076 if [ -z "$CC" -a -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
1078 err "either clang or gcc is required"
1081 # All safeguards based on $CFG_ENABLE_CLANG should occur before this
1082 # point in the script; after this point, script logic should inspect
1083 # $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG.
1085 # Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS,LDFLAGS}
1093 # stdc++ name in use
1094 # used to manage non-standard name (on OpenBSD for example)
1095 program_transform_name=$($CFG_CC -v 2>&1 | sed -n "s/.*--program-transform-name='\([^']*\)'.*/\1/p")
1096 CFG_STDCPP_NAME=$(echo "stdc++" | sed "${program_transform_name}")
1097 putvar CFG_STDCPP_NAME
1099 # a little post-processing of various config values
1100 CFG_PREFIX=${CFG_PREFIX%/}
1101 CFG_MANDIR=${CFG_MANDIR%/}
1102 CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
1103 CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
1104 CFG_SUPPORTED_TARGET=""
1105 for target_file in ${CFG_SRC_DIR}mk/cfg/*.mk; do
1106 CFG_SUPPORTED_TARGET="${CFG_SUPPORTED_TARGET} $(basename "$target_file" .mk)"
1109 # copy build-triples to host-triples so that builds are a subset of hosts
1111 for i in $CFG_BUILD $CFG_HOST;
1113 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
1117 # copy host-triples to target-triples so that hosts are a subset of targets
1119 for i in $CFG_HOST $CFG_TARGET;
1121 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
1125 # check target-specific tool-chains
1126 for i in $CFG_TARGET
1129 for j in $CFG_SUPPORTED_TARGET
1137 if [ $L_CHECK = false ]
1139 err "unsupported target triples \"$i\" found"
1145 armv7-linux-androideabi)
1146 cmd_prefix="arm-linux-androideabi"
1153 upper_snake_target=$(echo "$i" | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
1154 eval ndk=\$"CFG_${upper_snake_target}_NDK"
1157 ndk=$CFG_ANDROID_CROSS_PATH
1158 eval "CFG_${upper_snake_target}_NDK"=$CFG_ANDROID_CROSS_PATH
1159 warn "generic/default Android NDK option is deprecated (use --$i-ndk option instead)"
1162 # Perform a basic sanity check of the NDK
1163 for android_ndk_tool in "$ndk/bin/$cmd_prefix-gcc" "$ndk/bin/$cmd_prefix-g++" "$ndk/bin/$cmd_prefix-ar"
1165 if [ ! -f $android_ndk_tool ]
1167 err "NDK tool $android_ndk_tool not found (bad or missing --$i-ndk option?)"
1172 if [ -z "$CFG_NACL_CROSS_PATH" ]
1174 err "I need the NaCl SDK path! (use --nacl-cross-path)"
1178 if [ $CFG_OSTYPE != apple-darwin ]
1180 err "The iOS target is only supported on Mac OS X"
1186 if [ ! -f $CFG_MUSL_ROOT/lib/libc.a ]
1188 err "musl libc $CFG_MUSL_ROOT/lib/libc.a not found"
1193 # There are three builds of cmake on windows: MSVC, MinGW and Cygwin
1194 # The Cygwin build does not have generators for Visual Studio, so
1195 # detect that here and error.
1196 if ! "$CFG_CMAKE" --help | sed -n '/^Generators/,$p' | grep 'Visual Studio' > /dev/null
1200 cmake does not support Visual Studio generators.
1202 This is likely due to it being an msys/cygwin build of cmake, \
1203 rather than the required windows version, built using MinGW \
1206 If you are building under msys2 try installing the mingw-w64-x86_64-cmake \
1207 package instead of cmake:
1209 $ pacman -R cmake && pacman -S mingw-w64-x86_64-cmake
1213 # Use the REG program to figure out where VS is installed
1214 # We need to figure out where cl.exe and link.exe are, so we do some
1215 # munging and some probing here. We also look for the default
1216 # INCLUDE and LIB variables for MSVC so we can set those in the
1217 # build system as well.
1218 install=$(cmd //c reg QUERY \
1219 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\14.0' \
1221 if [ -z "$install" ]; then
1222 install=$(cmd //c reg QUERY \
1223 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\12.0' \
1226 need_ok "couldn't find visual studio install root"
1227 CFG_MSVC_ROOT=$(echo "$install" | grep InstallDir | sed 's/.*REG_SZ[ ]*//')
1228 CFG_MSVC_ROOT=$(dirname "$CFG_MSVC_ROOT")
1229 CFG_MSVC_ROOT=$(dirname "$CFG_MSVC_ROOT")
1230 putvar CFG_MSVC_ROOT
1242 err "can only target x86 targets for MSVC"
1245 bindir="${CFG_MSVC_ROOT}/VC/bin"
1246 if [ -n "$msvc_part" ]; then
1247 bindir="$bindir/$msvc_part"
1249 eval CFG_MSVC_BINDIR_$bits="\"$bindir\""
1250 eval CFG_MSVC_CL_$bits="\"$bindir/cl.exe\""
1251 eval CFG_MSVC_LIB_$bits="\"$bindir/lib.exe\""
1252 eval CFG_MSVC_LINK_$bits="\"$bindir/link.exe\""
1254 vcvarsall="${CFG_MSVC_ROOT}/VC/vcvarsall.bat"
1255 include_path=$(cmd //V:ON //c "$vcvarsall" $msvc_part \& echo !INCLUDE!)
1256 need_ok "failed to learn about MSVC's INCLUDE"
1257 lib_path=$(cmd //V:ON //c "$vcvarsall" $msvc_part \& echo !LIB!)
1258 need_ok "failed to learn about MSVC's LIB"
1260 eval CFG_MSVC_INCLUDE_PATH_${bits}="\"$include_path\""
1261 eval CFG_MSVC_LIB_PATH_${bits}="\"$lib_path\""
1263 putvar CFG_MSVC_BINDIR_${bits}
1264 putvar CFG_MSVC_CL_${bits}
1265 putvar CFG_MSVC_LIB_${bits}
1266 putvar CFG_MSVC_LINK_${bits}
1267 putvar CFG_MSVC_INCLUDE_PATH_${bits}
1268 putvar CFG_MSVC_LIB_PATH_${bits}
1276 if [ "$CFG_OSTYPE" = "pc-windows-gnu" ] || [ "$CFG_OSTYPE" = "pc-windows-msvc" ]
1278 # There are some MSYS python builds which will auto-translate
1279 # windows-style paths to MSYS-style paths in Python itself.
1280 # Unfortunately this breaks LLVM's build system as somewhere along
1281 # the line LLVM prints a path into a file from Python and then CMake
1282 # later tries to interpret that path. If Python prints a MSYS path
1283 # and CMake tries to use it as a Windows path, you're gonna have a
1286 # Consequently here we try to detect when that happens and print an
1288 if $CFG_PYTHON -c 'import sys; print sys.argv[1]' `pwd` | grep '^/' > /dev/null
1292 python is silently translating windows paths to MSYS paths \
1293 and the build will fail if this python is used.
1295 Either an official python install must be used or an \
1296 alternative python package in MinGW must be used.
1298 If you are building under msys2 try installing the mingw-w64-x86_64-python2 \
1299 package instead of python2:
1301 $ pacman -S mingw-w64-x86_64-python2
1306 if [ -n "$CFG_PERF" ]
1308 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
1309 if [ -z "$HAVE_PERF_LOGFD" ];
1311 CFG_PERF_WITH_LOGFD=1
1312 putvar CFG_PERF_WITH_LOGFD
1316 if [ -z "$CFG_ENABLE_RUSTBUILD" ]; then
1318 step_msg "making directories"
1321 doc doc/std doc/extra \
1334 make_dir $t/rustllvm
1337 for t in $CFG_TARGET
1342 make_dir $t/rt/stage$s
1343 make_dir $t/rt/jemalloc
1344 make_dir $t/rt/compiler-rt
1347 arch/i386 arch/x86_64 arch/arm arch/aarch64 arch/mips arch/powerpc
1349 make_dir $t/rt/stage$s/$i
1356 for t in $CFG_TARGET
1358 # host bin dir stage0
1359 make_dir $h/stage0/bin
1361 # host lib dir stage0
1362 make_dir $h/stage0/lib
1364 # host test dir stage0
1365 make_dir $h/stage0/test
1367 # target bin dir stage0
1368 make_dir $h/stage0/lib/rustlib/$t/bin
1370 # target lib dir stage0
1371 make_dir $h/stage0/lib/rustlib/$t/lib
1376 make_dir $h/stage$i/bin
1379 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE
1382 make_dir $h/stage$i/test
1385 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin
1388 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib
1392 make_dir $h/test/run-pass
1393 make_dir $h/test/run-pass-valgrind
1394 make_dir $h/test/run-pass-fulldeps
1395 make_dir $h/test/run-fail
1396 make_dir $h/test/run-fail-fulldeps
1397 make_dir $h/test/compile-fail
1398 make_dir $h/test/parse-fail
1399 make_dir $h/test/compile-fail-fulldeps
1400 make_dir $h/test/bench
1401 make_dir $h/test/perf
1402 make_dir $h/test/pretty
1403 make_dir $h/test/debuginfo-gdb
1404 make_dir $h/test/debuginfo-lldb
1405 make_dir $h/test/codegen
1406 make_dir $h/test/codegen-units
1407 make_dir $h/test/rustdoc
1412 # Configure submodules
1413 step_msg "configuring submodules"
1415 # Have to be in the top of src directory for this
1416 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ] && [ -z $CFG_ENABLE_RUSTBUILD ]
1420 msg "git: submodule sync"
1421 "${CFG_GIT}" submodule sync
1423 msg "git: submodule init"
1424 "${CFG_GIT}" submodule init
1426 # Disable submodules that we're not using
1427 if [ -n "${CFG_LLVM_ROOT}" ]; then
1428 msg "git: submodule deinit src/llvm"
1429 "${CFG_GIT}" submodule deinit src/llvm
1431 if [ -n "${CFG_JEMALLOC_ROOT}" ]; then
1432 msg "git: submodule deinit src/jemalloc"
1433 "${CFG_GIT}" submodule deinit src/jemalloc
1436 msg "git: submodule update"
1437 "${CFG_GIT}" submodule update
1438 need_ok "git failed"
1440 msg "git: submodule foreach sync"
1441 "${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
1442 need_ok "git failed"
1444 msg "git: submodule foreach update"
1445 "${CFG_GIT}" submodule update --recursive
1446 need_ok "git failed"
1448 # NB: this is just for the sake of getting the submodule SHA1 values
1449 # and status written into the build log.
1450 msg "git: submodule status"
1451 "${CFG_GIT}" submodule status --recursive
1453 msg "git: submodule clobber"
1454 "${CFG_GIT}" submodule foreach --recursive git clean -dxf
1455 need_ok "git failed"
1456 "${CFG_GIT}" submodule foreach --recursive git checkout .
1457 need_ok "git failed"
1462 # Do a sanity check that the submodule source exists. Because GitHub
1463 # automatically publishes broken tarballs that can't be disabled, and
1464 # people download them and try to use them.
1465 if [ ! -e "${CFG_SRC_DIR}/src/liblibc" ]; then
1466 err "some submodules are missing. Is this a broken tarball?
1468 If you downloaded this tarball from the GitHub release pages at
1469 https://github.com/rust-lang/rust/releases,
1470 then please delete it and instead download the source from
1471 https://www.rust-lang.org/downloads.html"
1475 # Configure llvm, only if necessary
1476 step_msg "looking at LLVM"
1477 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
1488 if [ -n "$CFG_ENABLE_RUSTBUILD" ]
1490 msg "not configuring LLVM, rustbuild in use"
1492 elif [ -z $CFG_LLVM_ROOT ]
1494 LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm
1495 LLVM_INST_DIR=$LLVM_BUILD_DIR
1496 # For some crazy reason the MSVC output dir is different than Unix
1497 if [ ${is_msvc} -ne 0 ]; then
1498 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]
1500 # Just use LLVM straight from its build directory to
1501 # avoid 'make install' time
1502 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
1504 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
1508 msg "not reconfiguring LLVM, external LLVM root"
1509 # The user is using their own LLVM
1511 LLVM_INST_DIR=$CFG_LLVM_ROOT
1513 # Check that LLVm FileCheck is available. Needed for the tests
1514 if [ -z "$CFG_DISABLE_CODEGEN_TESTS" ]; then
1515 need_cmd $LLVM_INST_DIR/bin/FileCheck
1519 if [ ${do_reconfigure} -ne 0 ]
1521 # because git is hilarious, it might have put the module index
1522 # in a couple places.
1523 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
1524 index2="${CFG_SRC_DIR}src/llvm/.git/index"
1525 for index in ${index1} ${index2}
1527 config_status="${LLVM_BUILD_DIR}/config.status"
1528 if test -e ${index} -a \
1529 -e ${config_status} -a \
1530 ${config_status} -nt ${index}
1532 msg "not reconfiguring LLVM, config.status is fresh"
1538 # We need the generator later on for compiler-rt even if LLVM's not built
1539 if [ -n "$CFG_NINJA" ]
1542 elif [ ${is_msvc} -ne 0 ]
1544 case "$CFG_MSVC_ROOT" in
1546 generator="Visual Studio 14 2015"
1549 generator="Visual Studio 12 2013"
1552 err "can't determine generator for LLVM cmake"
1557 generator="$generator Win64"
1562 err "can only build LLVM for x86 platforms"
1566 generator="Unix Makefiles"
1568 CFG_CMAKE_GENERATOR=$generator
1569 putvar CFG_CMAKE_GENERATOR
1571 msg "configuring LLVM for $t"
1582 LLVM_CXX_32="ccache"
1584 LLVM_CXX_32_ARG1="clang++"
1585 LLVM_CC_32_ARG1="clang"
1586 LLVM_CFLAGS_32="-Qunused-arguments"
1587 LLVM_CXXFLAGS_32="-Qunused-arguments"
1589 LLVM_CXX_64="ccache"
1591 LLVM_CXX_64_ARG1="clang++"
1592 LLVM_CC_64_ARG1="clang"
1593 LLVM_CFLAGS_64="-Qunused-arguments"
1594 LLVM_CXXFLAGS_64="-Qunused-arguments"
1597 LLVM_CXX_32="clang++"
1599 LLVM_CFLAGS_32="-Qunused-arguments"
1600 LLVM_CXXFLAGS_32="-Qunused-arguments"
1602 LLVM_CXX_64="clang++"
1604 LLVM_CFLAGS_64="-Qunused-arguments"
1605 LLVM_CXXFLAGS_64="-Qunused-arguments"
1608 LLVM_CXX_32="ccache"
1610 LLVM_CXX_32_ARG1="clang++"
1611 LLVM_CC_32_ARG1="clang"
1613 LLVM_CXX_64="ccache"
1615 LLVM_CXX_64_ARG1="g++"
1616 LLVM_CC_64_ARG1="gcc"
1627 msg "inferring LLVM_CXX/CC from CXX/CC = $CXX/$CC"
1628 if [ -n "$CFG_ENABLE_CCACHE" ]
1630 if [ -z "$CFG_CCACHE" ]
1632 err "ccache requested but not found"
1635 LLVM_CXX_32="ccache"
1637 LLVM_CXX_32_ARG1="$CXX"
1638 LLVM_CC_32_ARG1="$CC"
1640 LLVM_CXX_64="ccache"
1642 LLVM_CXX_64_ARG1="$CXX"
1643 LLVM_CC_64_ARG1="$CC"
1655 case "$CFG_CPUTYPE" in
1657 LLVM_CFLAGS_32="$LLVM_CFLAGS_32 -m32"
1658 LLVM_CXXFLAGS_32="$LLVM_CXXFLAGS_32 -m32"
1659 LLVM_LDFLAGS_32="$LLVM_LDFLAGS_32 -m32"
1663 if echo $t | grep -q x86_64
1665 LLVM_CXX=$LLVM_CXX_64
1667 LLVM_CXX_ARG1=$LLVM_CXX_64_ARG1
1668 LLVM_CC_ARG1=$LLVM_CC_64_ARG1
1669 LLVM_CFLAGS=$LLVM_CFLAGS_64
1670 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
1671 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
1673 LLVM_CXX=$LLVM_CXX_32
1675 LLVM_CXX_ARG1=$LLVM_CXX_32_ARG1
1676 LLVM_CC_ARG1=$LLVM_CC_32_ARG1
1677 LLVM_CFLAGS=$LLVM_CFLAGS_32
1678 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
1679 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
1682 if [ "$CFG_USING_LIBCPP" != "0" ]; then
1683 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_LIBCXX=ON"
1686 # Turn off things we don't need
1687 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_INCLUDE_TESTS=OFF"
1688 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_INCLUDE_EXAMPLES=OFF"
1689 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_INCLUDE_DOCS=OFF"
1690 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ZLIB=OFF"
1691 CMAKE_ARGS="$CMAKE_ARGS -DWITH_POLY=OFF"
1692 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_TERMINFO=OFF"
1693 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_LIBEDIT=OFF"
1695 arch="$(echo "$t" | cut -d - -f 1)"
1697 if [ "$arch" = i686 ]; then
1698 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_BUILD_32_BITS=ON"
1701 if [ "$t" != "$CFG_BUILD" ]; then
1702 # see http://llvm.org/docs/HowToCrossCompileLLVM.html
1703 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_CROSSCOMPILING=True"
1704 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_TARGET_ARCH=$arch"
1705 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_TABLEGEN=$CFG_BUILD_DIR/$CFG_BUILD/llvm/bin/llvm-tblgen"
1706 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_DEFAULT_TARGET_TRIPLE=$t"
1709 # MSVC handles compiler business itself
1710 if [ ${is_msvc} -eq 0 ]; then
1711 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_C_COMPILER=$LLVM_CC"
1712 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_CXX_COMPILER=$LLVM_CXX"
1713 CMAKE_ARGS="$CMAKE_ARGS '-DCMAKE_C_FLAGS=$LLVM_CFLAGS'"
1714 CMAKE_ARGS="$CMAKE_ARGS '-DCMAKE_CXX_FLAGS=$LLVM_CXXFLAGS'"
1715 if [ -n "$LLVM_CC_ARG1" ]; then
1716 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_C_COMPILER_ARG1=$LLVM_CC_ARG1"
1718 if [ -n "$LLVM_CXX_ARG1" ]; then
1719 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_CXX_COMPILER_ARG1=$LLVM_CXX_ARG1"
1721 # FIXME: What about LDFLAGS?
1724 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then
1725 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Debug"
1727 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release"
1729 if [ -z "$CFG_ENABLE_LLVM_ASSERTIONS" ]
1731 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=OFF"
1733 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=ON"
1736 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_TARGETS_TO_BUILD='X86;ARM;AArch64;Mips;PowerPC'"
1737 CMAKE_ARGS="$CMAKE_ARGS -G '$CFG_CMAKE_GENERATOR'"
1738 CMAKE_ARGS="$CMAKE_ARGS $CFG_LLVM_SRC_DIR"
1740 if [ ${do_reconfigure} -ne 0 ]
1742 msg "configuring LLVM for $t with cmake"
1744 msg "configuring LLVM with:"
1747 (cd $LLVM_BUILD_DIR && eval "\"$CFG_CMAKE\"" $CMAKE_ARGS)
1748 need_ok "LLVM cmake configure failed"
1751 # Construct variables for LLVM build and install directories for
1752 # each target. These will be named
1753 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
1754 # target_triple will be converted to underscore, because bash
1755 # variables can't contain hyphens. The makefile will then have to
1757 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1758 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1759 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
1760 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
1764 step_msg "writing configuration"
1767 putvar CFG_SRC_DIR_RELATIVE
1768 putvar CFG_BUILD_DIR
1771 putvar CFG_CONFIGURE_ARGS
1775 putvar CFG_LIBDIR_RELATIVE
1776 putvar CFG_DISABLE_MANAGE_SUBMODULES
1777 putvar CFG_AARCH64_LINUX_ANDROID_NDK
1778 putvar CFG_ARM_LINUX_ANDROIDEABI_NDK
1779 putvar CFG_ARMV7_LINUX_ANDROIDEABI_NDK
1780 putvar CFG_I686_LINUX_ANDROID_NDK
1781 putvar CFG_NACL_CROSS_PATH
1783 putvar CFG_USING_LIBCPP
1785 # Avoid spurious warnings from clang by feeding it original source on
1786 # ccache-miss rather than preprocessed input.
1787 if [ -n "$CFG_ENABLE_CCACHE" ] && [ -n "$CFG_USING_CLANG" ]
1790 putvar CFG_CCACHE_CPP2
1793 if [ -n "$CFG_ENABLE_CCACHE" ]
1795 CFG_CCACHE_BASEDIR=${CFG_SRC_DIR}
1796 putvar CFG_CCACHE_BASEDIR
1800 putvar CFG_LLVM_SRC_DIR
1804 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1805 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1806 putvar $CFG_LLVM_BUILD_DIR
1807 putvar $CFG_LLVM_INST_DIR
1810 if [ -n "$CFG_ENABLE_RUSTBUILD" ]
1812 INPUT_MAKEFILE=src/bootstrap/mk/Makefile.in
1814 INPUT_MAKEFILE=Makefile.in
1818 copy_if_changed ${CFG_SRC_DIR}${INPUT_MAKEFILE} ./Makefile
1819 move_if_changed config.tmp config.mk
1823 if [ -z "$CFG_ENABLE_DEBUG" ]; then
1824 step_msg "configured in release mode. for development consider --enable-debug"
1829 msg "run \`make help\`"