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)
370 msg "looking for configure programs"
387 msg "inspecting environment"
389 CFG_OSTYPE=$(uname -s)
390 CFG_CPUTYPE=$(uname -m)
392 if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
394 # Darwin's `uname -s` lies and always returns i386. We have to use sysctl
396 if sysctl hw.optional.x86_64 | grep -q ': 1'
402 # The goal here is to come up with the same triple as LLVM would,
403 # at least for the subset of platforms we're willing to target.
408 CFG_OSTYPE=unknown-linux-gnu
412 CFG_OSTYPE=unknown-freebsd
416 CFG_OSTYPE=unknown-dragonfly
420 CFG_OSTYPE=unknown-bitrig
424 CFG_OSTYPE=unknown-openbsd
428 CFG_OSTYPE=unknown-netbsd
432 CFG_OSTYPE=apple-darwin
436 CFG_OSTYPE=sun-solaris
437 CFG_CPUTYPE=$(isainfo -n)
441 # msys' `uname` does not print gcc configuration, but prints msys
442 # configuration. so we cannot believe `uname -m`:
443 # msys1 is always i686 and msys2 is always x86_64.
444 # instead, msys defines $MSYSTEM which is MINGW32 on i686 and
447 CFG_OSTYPE=pc-windows-gnu
448 if [ "$MSYSTEM" = MINGW64 ]
455 CFG_OSTYPE=pc-windows-gnu
458 # Thad's Cygwin identifiers below
462 CFG_OSTYPE=pc-windows-gnu
468 CFG_OSTYPE=pc-windows-gnu
474 CFG_OSTYPE=pc-windows-gnu
480 CFG_OSTYPE=pc-windows-gnu
484 # Win 8 # uname -s on 64-bit cygwin does not contain WOW64, so simply use uname -m to detect arch (works in my install)
486 CFG_OSTYPE=pc-windows-gnu
488 # We do not detect other OS such as XP/2003 using 64 bit using uname.
489 # 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.
491 err "unknown OS type: $CFG_OSTYPE"
498 i386 | i486 | i686 | i786 | x86)
508 CFG_OSTYPE="${CFG_OSTYPE}eabihf"
520 CFG_CPUTYPE=powerpc64
523 powerpc64le | ppc64le)
524 CFG_CPUTYPE=powerpc64le
531 x86_64 | x86-64 | x64 | amd64)
536 err "unknown CPU type: $CFG_CPUTYPE"
539 # Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
540 if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
542 # $SHELL does not exist in standard 'sh', so probably only exists
543 # if configure is running in an interactive bash shell. /usr/bin/env
544 # exists *everywhere*.
545 BIN_TO_PROBE="$SHELL"
546 if [ ! -r "$BIN_TO_PROBE" ]; then
547 if [ -r "/usr/bin/env" ]; then
548 BIN_TO_PROBE="/usr/bin/env"
550 warn "Cannot check if the userland is i686 or x86_64"
553 file -L "$BIN_TO_PROBE" | grep -q "x86[_-]64"
555 msg "i686 userland on x86_64 Linux kernel"
561 DEFAULT_BUILD="${CFG_CPUTYPE}-${CFG_OSTYPE}"
563 CFG_SRC_DIR="$(abs_path $(dirname $0))/"
564 CFG_SRC_DIR_RELATIVE="$(dirname $0)/"
565 CFG_BUILD_DIR="$(pwd)/"
567 CFG_CONFIGURE_ARGS="$@"
570 case "${CFG_SRC_DIR}" in
572 err "The path to the rust source directory contains spaces, which is not supported"
583 echo "Usage: $CFG_SELF [options]"
588 msg "recreating config.tmp"
591 step_msg "processing $CFG_SELF args"
597 opt debug 0 "debug mode; disables optimization unless \`--enable-optimize\` given"
598 opt valgrind 0 "run tests with valgrind (memcheck by default)"
599 opt helgrind 0 "run tests with helgrind instead of memcheck"
600 opt valgrind-rpass 1 "run rpass-valgrind tests with valgrind"
601 opt docs 1 "build standard library documentation"
602 opt compiler-docs 0 "build compiler documentation"
603 opt optimize-tests 1 "build tests with optimizations"
604 opt debuginfo-tests 0 "build tests with debugger metadata"
605 opt libcpp 1 "build llvm with libc++ instead of libstdc++ when using clang"
606 opt llvm-assertions 0 "build LLVM with assertions"
607 opt debug-assertions 0 "build with debugging assertions"
608 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
609 opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
610 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
611 opt local-rebuild 0 "assume local-rust matches the current version, for rebuilds; implies local-rust, and is implied if local-rust already matches the current version"
612 opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
613 opt rpath 1 "build rpaths into rustc itself"
614 opt stage0-landing-pads 1 "enable landing pads during bootstrap with stage0"
615 # This is used by the automation to produce single-target nightlies
616 opt dist-host-only 0 "only install bins for the host architecture"
617 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
618 opt llvm-version-check 1 "check if the LLVM version is supported, build anyway"
619 opt rustbuild 0 "use the rust and cargo based build system"
620 opt codegen-tests 1 "run the src/test/codegen tests"
621 opt option-checking 1 "complain about unrecognized options in this configure script"
622 opt ninja 0 "build LLVM using the Ninja generator (for MSVC, requires building in the correct environment)"
624 # Optimization and debugging options. These may be overridden by the release channel, etc.
625 opt_nosave optimize 1 "build optimized rust code"
626 opt_nosave optimize-cxx 1 "build optimized C++ code"
627 opt_nosave optimize-llvm 1 "build optimized LLVM"
628 opt_nosave llvm-assertions 0 "build LLVM with assertions"
629 opt_nosave debug-assertions 0 "build with debugging assertions"
630 opt_nosave debuginfo 0 "build with debugger metadata"
631 opt_nosave debug-jemalloc 0 "build jemalloc with --enable-debug --enable-fill"
633 valopt localstatedir "/var/lib" "local state directory"
634 valopt sysconfdir "/etc" "install system configuration files"
636 valopt datadir "${CFG_PREFIX}/share" "install data"
637 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
638 valopt llvm-root "" "set LLVM root"
639 valopt python "" "set path to python"
640 valopt nodejs "" "set path to nodejs"
641 valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located"
642 valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
643 valopt android-cross-path "" "Android NDK standalone path (deprecated)"
644 valopt i686-linux-android-ndk "" "i686-linux-android NDK standalone path"
645 valopt arm-linux-androideabi-ndk "" "arm-linux-androideabi NDK standalone path"
646 valopt armv7-linux-androideabi-ndk "" "armv7-linux-androideabi NDK standalone path"
647 valopt aarch64-linux-android-ndk "" "aarch64-linux-android NDK standalone path"
648 valopt nacl-cross-path "" "NaCl SDK path (Pepper Canary is recommended). Must be absolute!"
649 valopt musl-root "/usr/local" "MUSL root installation directory"
650 valopt extra-filename "" "Additional data that is hashed and passed to the -C extra-filename flag"
652 if [ -e ${CFG_SRC_DIR}.git ]
654 valopt release-channel "dev" "the name of the release channel to build"
656 # If we have no git directory then we are probably a tarball distribution
657 # and should default to stable channel - Issue 28322
659 msg "git: no git directory. Changing default release channel to stable"
660 valopt release-channel "stable" "the name of the release channel to build"
663 # Used on systems where "cc" and "ar" are unavailable
664 valopt default-linker "cc" "the default linker"
665 valopt default-ar "ar" "the default ar"
667 # Many of these are saved below during the "writing configuration" step
668 # (others are conditionally saved).
669 opt_nosave manage-submodules 1 "let the build manage the git submodules"
670 opt_nosave clang 0 "prefer clang to gcc for building the runtime"
671 opt_nosave jemalloc 1 "build liballoc with jemalloc"
672 opt elf-tls 1 "elf thread local storage on platforms where supported"
674 valopt_nosave prefix "/usr/local" "set installation prefix"
675 valopt_nosave local-rust-root "/usr/local" "set prefix for local rust binary"
676 valopt_nosave host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
677 valopt_nosave target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
678 valopt_nosave mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
679 valopt_nosave docdir "${CFG_PREFIX}/share/doc/rust" "install man pages in PATH"
681 # On Windows this determines root of the subtree for target libraries.
682 # Host runtime libs always go to 'bin'.
683 valopt libdir "${CFG_PREFIX}/lib" "install libraries"
685 case "$CFG_LIBDIR" in
686 "$CFG_PREFIX"/*) CAT_INC=2;;
687 "$CFG_PREFIX"*) CAT_INC=1;;
689 err "libdir must begin with the prefix. Use --prefix to set it accordingly.";;
692 CFG_LIBDIR_RELATIVE=`echo ${CFG_LIBDIR} | cut -c$((${#CFG_PREFIX}+${CAT_INC}))-`
701 if [ -z "$CFG_DISABLE_OPTION_CHECKING" ]
703 step_msg "validating $CFG_SELF args"
707 # Validate the release channel, and configure options
708 case "$CFG_RELEASE_CHANNEL" in
710 msg "overriding settings for $CFG_RELEASE_CHANNEL"
711 CFG_ENABLE_LLVM_ASSERTIONS=1
716 err "release channel must be 'dev', 'nightly', 'beta' or 'stable'"
720 # Adjust perf and debug options for debug mode
721 if [ -n "$CFG_ENABLE_DEBUG" ]; then
722 msg "debug mode enabled, setting performance options"
723 if [ -z "$CFG_ENABLE_OPTIMIZE_PROVIDED" ]; then
724 msg "optimization not explicitly enabled, disabling optimization"
725 CFG_DISABLE_OPTIMIZE=1
726 CFG_DISABLE_OPTIMIZE_CXX=1
729 # Set following variables to 1 unless setting already provided
730 enable_if_not_disabled debug-assertions
731 enable_if_not_disabled debug-jemalloc
732 enable_if_not_disabled debuginfo
733 enable_if_not_disabled llvm-assertions
736 # OK, now write the debugging options
737 if [ -n "$CFG_DISABLE_OPTIMIZE" ]; then putvar CFG_DISABLE_OPTIMIZE; fi
738 if [ -n "$CFG_DISABLE_OPTIMIZE_CXX" ]; then putvar CFG_DISABLE_OPTIMIZE_CXX; fi
739 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then putvar CFG_DISABLE_OPTIMIZE_LLVM; fi
740 if [ -n "$CFG_ENABLE_LLVM_ASSERTIONS" ]; then putvar CFG_ENABLE_LLVM_ASSERTIONS; fi
741 if [ -n "$CFG_ENABLE_DEBUG_ASSERTIONS" ]; then putvar CFG_ENABLE_DEBUG_ASSERTIONS; fi
742 if [ -n "$CFG_ENABLE_DEBUGINFO" ]; then putvar CFG_ENABLE_DEBUGINFO; fi
743 if [ -n "$CFG_ENABLE_DEBUG_JEMALLOC" ]; then putvar CFG_ENABLE_DEBUG_JEMALLOC; fi
745 step_msg "looking for build programs"
747 probe_need CFG_CURL curl
748 if [ -z "$CFG_PYTHON_PROVIDED" ]; then
749 probe_need CFG_PYTHON python2.7 python2 python
752 python_version=$($CFG_PYTHON -V 2>&1)
753 if [ $(echo $python_version | grep -c '^Python 2\.7') -ne 1 ]; then
754 err "Found $python_version, but Python 2.7 is required"
757 # Checking for node, but not required
758 probe CFG_NODEJS nodejs node
760 # If we have no git directory then we are probably a tarball distribution
761 # and shouldn't attempt to load submodules
762 if [ ! -e ${CFG_SRC_DIR}.git ]
765 msg "git: no git directory. disabling submodules"
766 CFG_DISABLE_MANAGE_SUBMODULES=1
768 probe_need CFG_GIT git
771 # Use `md5sum` on GNU platforms, or `md5 -q` on BSD
773 probe CFG_MD5SUM md5sum
776 CFG_HASH_COMMAND="$CFG_MD5 -q | cut -c 1-8"
777 elif [ -n "$CFG_MD5SUM" ]
779 CFG_HASH_COMMAND="$CFG_MD5SUM | cut -c 1-8"
781 err 'could not find one of: md5 md5sum'
783 putvar CFG_HASH_COMMAND
785 probe CFG_CLANG clang++
786 probe CFG_CCACHE ccache
789 probe CFG_VALGRIND valgrind
792 probe CFG_ANTLR4 antlr4
795 probe CFG_BISON bison
799 if [ -n "$CFG_ENABLE_NINJA" ]
801 probe CFG_NINJA ninja
802 if [ -z "$CFG_NINJA" ]
804 # On Debian and Fedora, the `ninja` binary is an IRC bot, so the build tool was
805 # renamed. Handle this case.
806 probe CFG_NINJA ninja-build
811 probe_need CFG_CMAKE cmake
813 # On MacOS X, invoking `javac` pops up a dialog if the JDK is not
814 # installed. Since `javac` is only used if `antlr4` is available,
815 # probe for it only in this case.
816 if [ -n "$CFG_ANTLR4" ]
818 probe CFG_JAVAC javac
821 # the valgrind rpass tests will fail if you don't have a valgrind, but they're
822 # only disabled if you opt out.
823 if [ -z "$CFG_VALGRIND" ]
825 # If the user has explicitly asked for valgrind tests, then fail
826 if [ -n "$CFG_ENABLE_VALGRIND" ] && [ -n "$CFG_ENABLE_VALGRIND_PROVIDED" ]
828 err "No valgrind present, but valgrind tests explicitly requested"
830 CFG_DISABLE_VALGRIND_RPASS=1
831 putvar CFG_DISABLE_VALGRIND_RPASS
837 # Store GDB's version
838 CFG_GDB_VERSION=$($CFG_GDB --version 2>/dev/null | head -1)
839 putvar CFG_GDB_VERSION
842 if [ -n "$CFG_LLDB" ]
844 # Store LLDB's version
845 CFG_LLDB_VERSION=$($CFG_LLDB --version 2>/dev/null | head -1)
846 putvar CFG_LLDB_VERSION
848 # If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
849 # LLDB via the -P commandline options.
850 if [ -z "$CFG_LLDB_PYTHON_DIR" ] || [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
852 CFG_LLDB_PYTHON_DIR=$($CFG_LLDB -P)
854 # If CFG_LLDB_PYTHON_DIR is not a valid directory, set it to something more readable
855 if [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
857 CFG_LLDB_PYTHON_DIR="LLDB_PYTHON_DIRECTORY_NOT_FOUND"
860 putvar CFG_LLDB_PYTHON_DIR
864 # LLDB tests on OSX require /usr/bin/python, not something like Homebrew's
865 # /usr/local/bin/python. We're loading a compiled module for LLDB tests which is
866 # only compatible with the system.
869 CFG_LLDB_PYTHON=/usr/bin/python
872 CFG_LLDB_PYTHON=$CFG_PYTHON
875 putvar CFG_LLDB_PYTHON
877 step_msg "looking for target specific programs"
882 if [ "$CFG_OSTYPE" = "pc-windows-gnu" ] || [ "$CFG_OSTYPE" = "pc-windows-msvc" ]
887 # --enable-local-rebuild implies --enable-local-rust too
888 if [ -n "$CFG_ENABLE_LOCAL_REBUILD" ]
890 if [ -z "$CFG_ENABLE_LOCAL_RUST" ]
892 CFG_ENABLE_LOCAL_RUST=1
893 putvar CFG_ENABLE_LOCAL_RUST
897 if [ -n "$CFG_ENABLE_LOCAL_RUST" ]
899 system_rustc=$(which rustc)
900 if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
902 : # everything already configured
903 elif [ -n "$system_rustc" ]
905 # we assume that rustc is in a /bin directory
906 CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc}
908 err "no local rust to use"
911 CMD="${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF}"
912 LRV=`LD_LIBRARY_PATH=${CFG_LOCAL_RUST_ROOT}/lib $CMD --version`
915 step_msg "failure while running $CMD --version"
918 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
919 putvar CFG_LOCAL_RUST_ROOT
922 # Force bitrig to build with clang; gcc doesn't like us there
923 if [ $CFG_OSTYPE = unknown-bitrig ]
925 step_msg "on Bitrig, forcing use of clang"
929 # default gcc version under OpenBSD maybe too old, try using egcc, which is a
930 # gcc version from ports
931 if [ $CFG_OSTYPE = unknown-openbsd ]
933 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
934 step_msg "older GCC found, try with egcc instead"
936 # probe again but using egcc
939 # and use egcc/eg++ for CC/CXX too if it was found
940 # (but user setting has priority)
941 if [ -n "$CFG_GCC" ]; then
948 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
949 # system, so if we find that gcc is clang, we should just use clang directly.
950 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
952 CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version")
955 step_msg "on OS X >=10.9, forcing use of clang"
958 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
959 step_msg "older GCC found, using clang instead"
962 # on OS X, with xcode 5 and newer, certain developers may have
963 # cc, gcc and g++ point to a mixture of clang and gcc
964 # if so, this will create very strange build errors
965 # this last stanza is to detect some such problems and save the future rust
966 # contributor some time solving that issue.
967 # this detection could be generalized to other OSes aside from OS X
968 # but the issue seems most likely to happen on OS X
971 $1 --version 2> /dev/null | grep -q $2
973 # check that gcc, cc and g++ all point to the same compiler.
974 # note that for xcode 5, g++ points to clang, not clang++
975 if !((chk_cc gcc clang && chk_cc g++ clang) ||
976 (chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))); then
977 err "the gcc and g++ in your path point to different compilers.
978 Check which versions are in your path with gcc --version and g++ --version.
979 To resolve this problem, either fix your PATH or run configure with --enable-clang"
986 # If the clang isn't already enabled, check for GCC, and if it is missing, turn
987 # on clang as a backup.
988 if [ -z "$CFG_ENABLE_CLANG" ]
990 CFG_GCC_VERSION=$("$CFG_GCC" --version 2>&1)
993 step_msg "GCC not installed, will try using Clang"
998 # Okay, at this point, we have made up our minds about whether we are
999 # going to force CFG_ENABLE_CLANG or not; save the setting if so.
1000 if [ -n "$CFG_ENABLE_CLANG" ]
1002 putvar CFG_ENABLE_CLANG
1005 if [ -z "$CFG_DISABLE_LIBCPP" -a -n "$CFG_ENABLE_CLANG" ]
1007 CFG_USING_LIBCPP="1"
1009 CFG_USING_LIBCPP="0"
1012 # Same with jemalloc. save the setting here.
1013 if [ -n "$CFG_DISABLE_JEMALLOC" ]
1015 putvar CFG_DISABLE_JEMALLOC
1018 if [ -n "$CFG_LLVM_ROOT" -a -z "$CFG_DISABLE_LLVM_VERSION_CHECK" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
1020 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
1022 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
1023 LLVM_VERSION=$($LLVM_CONFIG --version)
1025 case $LLVM_VERSION in
1027 msg "found ok version of LLVM: $LLVM_VERSION"
1030 err "bad LLVM version: $LLVM_VERSION, need >=3.7"
1034 if "$CFG_LLVM_ROOT/bin/llvm-mc" -help | grep -- "-relocation-model"; then
1035 msg "found older llvm-mc"
1036 CFG_LLVM_MC_HAS_RELOCATION_MODEL=1
1037 putvar CFG_LLVM_MC_HAS_RELOCATION_MODEL
1041 # Even when the user overrides the choice of CC, still try to detect
1042 # clang to disable some clang-specific warnings. We here draw a
1043 # distinction between:
1045 # CFG_ENABLE_CLANG : passed --enable-clang, or host "requires" clang,
1046 # CFG_USING_CLANG : compiler (clang / gcc / $CC) looks like clang.
1048 # This distinction is important because there are some safeguards we
1049 # would prefer to skip when merely CFG_USING_CLANG is set; but when
1050 # CFG_ENABLE_CLANG is set, that indicates that we are opting into
1051 # running such safeguards.
1055 msg "skipping compiler inference steps; using provided CC=$CC"
1058 CFG_OSX_CC_VERSION=$("$CFG_CC" --version 2>&1 | grep "clang")
1061 step_msg "note, user-provided CC looks like clang; CC=$CC."
1063 putvar CFG_USING_CLANG
1066 if [ -n "$CFG_ENABLE_CLANG" ]
1068 if [ -z "$CFG_CLANG" ]
1070 err "clang requested but not found"
1074 putvar CFG_USING_CLANG
1080 if [ -n "$CFG_ENABLE_CLANG" ]
1092 if [ -n "$CFG_ENABLE_CCACHE" ]
1094 if [ -z "$CFG_CCACHE" ]
1096 err "ccache requested but not found"
1099 CFG_CC="ccache $CFG_CC"
1102 if [ -z "$CC" -a -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
1104 err "either clang or gcc is required"
1107 # All safeguards based on $CFG_ENABLE_CLANG should occur before this
1108 # point in the script; after this point, script logic should inspect
1109 # $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG.
1111 # Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS,LDFLAGS}
1119 # stdc++ name in use
1120 # used to manage non-standard name (on OpenBSD for example)
1121 program_transform_name=$($CFG_CC -v 2>&1 | sed -n "s/.*--program-transform-name='\([^']*\)'.*/\1/p")
1122 CFG_STDCPP_NAME=$(echo "stdc++" | sed "${program_transform_name}")
1123 putvar CFG_STDCPP_NAME
1125 # a little post-processing of various config values
1126 CFG_PREFIX=${CFG_PREFIX%/}
1127 CFG_MANDIR=${CFG_MANDIR%/}
1128 CFG_DOCDIR=${CFG_DOCDIR%/}
1129 CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
1130 CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
1131 CFG_SUPPORTED_TARGET=""
1132 for target_file in ${CFG_SRC_DIR}mk/cfg/*.mk; do
1133 CFG_SUPPORTED_TARGET="${CFG_SUPPORTED_TARGET} $(basename "$target_file" .mk)"
1136 # copy build-triples to host-triples so that builds are a subset of hosts
1138 for i in $CFG_BUILD $CFG_HOST;
1140 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
1144 # copy host-triples to target-triples so that hosts are a subset of targets
1146 for i in $CFG_HOST $CFG_TARGET;
1148 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
1152 # check target-specific tool-chains
1153 for i in $CFG_TARGET
1156 for j in $CFG_SUPPORTED_TARGET
1164 if [ $L_CHECK = false ]
1166 err "unsupported target triples \"$i\" found"
1172 armv7-linux-androideabi)
1173 cmd_prefix="arm-linux-androideabi"
1180 upper_snake_target=$(echo "$i" | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
1181 eval ndk=\$"CFG_${upper_snake_target}_NDK"
1184 ndk=$CFG_ANDROID_CROSS_PATH
1185 eval "CFG_${upper_snake_target}_NDK"=$CFG_ANDROID_CROSS_PATH
1186 warn "generic/default Android NDK option is deprecated (use --$i-ndk option instead)"
1189 # Perform a basic sanity check of the NDK
1190 for android_ndk_tool in "$ndk/bin/$cmd_prefix-gcc" "$ndk/bin/$cmd_prefix-g++" "$ndk/bin/$cmd_prefix-ar"
1192 if [ ! -f $android_ndk_tool ]
1194 err "NDK tool $android_ndk_tool not found (bad or missing --$i-ndk option?)"
1199 if [ -z "$CFG_NACL_CROSS_PATH" ]
1201 err "I need the NaCl SDK path! (use --nacl-cross-path)"
1205 if [ $CFG_OSTYPE != apple-darwin ]
1207 err "The iOS target is only supported on Mac OS X"
1212 x86_64-*-musl | arm-*-musleabi)
1213 if [ ! -f $CFG_MUSL_ROOT/lib/libc.a ]
1215 err "musl libc $CFG_MUSL_ROOT/lib/libc.a not found"
1220 # There are three builds of cmake on windows: MSVC, MinGW and Cygwin
1221 # The Cygwin build does not have generators for Visual Studio, so
1222 # detect that here and error.
1223 if ! "$CFG_CMAKE" --help | sed -n '/^Generators/,$p' | grep 'Visual Studio' > /dev/null
1227 cmake does not support Visual Studio generators.
1229 This is likely due to it being an msys/cygwin build of cmake, \
1230 rather than the required windows version, built using MinGW \
1233 If you are building under msys2 try installing the mingw-w64-x86_64-cmake \
1234 package instead of cmake:
1236 $ pacman -R cmake && pacman -S mingw-w64-x86_64-cmake
1240 # Use the REG program to figure out where VS is installed
1241 # We need to figure out where cl.exe and link.exe are, so we do some
1242 # munging and some probing here. We also look for the default
1243 # INCLUDE and LIB variables for MSVC so we can set those in the
1244 # build system as well.
1245 install=$(cmd //c reg QUERY \
1246 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\14.0' \
1248 if [ -z "$install" ]; then
1249 install=$(cmd //c reg QUERY \
1250 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\12.0' \
1253 need_ok "couldn't find visual studio install root"
1254 CFG_MSVC_ROOT=$(echo "$install" | grep InstallDir | sed 's/.*REG_SZ[ ]*//')
1255 CFG_MSVC_ROOT=$(dirname "$CFG_MSVC_ROOT")
1256 CFG_MSVC_ROOT=$(dirname "$CFG_MSVC_ROOT")
1257 putvar CFG_MSVC_ROOT
1269 err "can only target x86 targets for MSVC"
1272 bindir="${CFG_MSVC_ROOT}/VC/bin"
1273 if [ -n "$msvc_part" ]; then
1274 bindir="$bindir/$msvc_part"
1276 eval CFG_MSVC_BINDIR_$bits="\"$bindir\""
1277 eval CFG_MSVC_CL_$bits="\"$bindir/cl.exe\""
1278 eval CFG_MSVC_LIB_$bits="\"$bindir/lib.exe\""
1279 eval CFG_MSVC_LINK_$bits="\"$bindir/link.exe\""
1281 vcvarsall="${CFG_MSVC_ROOT}/VC/vcvarsall.bat"
1282 include_path=$(cmd //V:ON //c "$vcvarsall" $msvc_part \& echo !INCLUDE!)
1283 need_ok "failed to learn about MSVC's INCLUDE"
1284 lib_path=$(cmd //V:ON //c "$vcvarsall" $msvc_part \& echo !LIB!)
1285 need_ok "failed to learn about MSVC's LIB"
1287 eval CFG_MSVC_INCLUDE_PATH_${bits}="\"$include_path\""
1288 eval CFG_MSVC_LIB_PATH_${bits}="\"$lib_path\""
1290 putvar CFG_MSVC_BINDIR_${bits}
1291 putvar CFG_MSVC_CL_${bits}
1292 putvar CFG_MSVC_LIB_${bits}
1293 putvar CFG_MSVC_LINK_${bits}
1294 putvar CFG_MSVC_INCLUDE_PATH_${bits}
1295 putvar CFG_MSVC_LIB_PATH_${bits}
1303 if [ "$CFG_OSTYPE" = "pc-windows-gnu" ] || [ "$CFG_OSTYPE" = "pc-windows-msvc" ]
1305 # There are some MSYS python builds which will auto-translate
1306 # windows-style paths to MSYS-style paths in Python itself.
1307 # Unfortunately this breaks LLVM's build system as somewhere along
1308 # the line LLVM prints a path into a file from Python and then CMake
1309 # later tries to interpret that path. If Python prints a MSYS path
1310 # and CMake tries to use it as a Windows path, you're gonna have a
1313 # Consequently here we try to detect when that happens and print an
1315 if $CFG_PYTHON -c 'import sys; print sys.argv[1]' `pwd` | grep '^/' > /dev/null
1319 python is silently translating windows paths to MSYS paths \
1320 and the build will fail if this python is used.
1322 Either an official python install must be used or an \
1323 alternative python package in MinGW must be used.
1325 If you are building under msys2 try installing the mingw-w64-x86_64-python2 \
1326 package instead of python2:
1328 $ pacman -S mingw-w64-x86_64-python2
1333 if [ -n "$CFG_PERF" ]
1335 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
1336 if [ -z "$HAVE_PERF_LOGFD" ];
1338 CFG_PERF_WITH_LOGFD=1
1339 putvar CFG_PERF_WITH_LOGFD
1343 if [ -z "$CFG_ENABLE_RUSTBUILD" ]; then
1345 step_msg "making directories"
1348 doc doc/std doc/extra \
1361 make_dir $t/rustllvm
1364 for t in $CFG_TARGET
1369 make_dir $t/rt/stage$s
1370 make_dir $t/rt/jemalloc
1371 make_dir $t/rt/compiler-rt
1374 arch/i386 arch/x86_64 arch/arm arch/aarch64 arch/mips arch/powerpc
1376 make_dir $t/rt/stage$s/$i
1383 for t in $CFG_TARGET
1385 # host bin dir stage0
1386 make_dir $h/stage0/bin
1388 # host lib dir stage0
1389 make_dir $h/stage0/lib
1391 # host test dir stage0
1392 make_dir $h/stage0/test
1394 # target bin dir stage0
1395 make_dir $h/stage0/lib/rustlib/$t/bin
1397 # target lib dir stage0
1398 make_dir $h/stage0/lib/rustlib/$t/lib
1403 make_dir $h/stage$i/bin
1406 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE
1409 make_dir $h/stage$i/test
1412 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin
1415 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib
1419 make_dir $h/test/run-pass
1420 make_dir $h/test/run-pass-valgrind
1421 make_dir $h/test/run-pass-fulldeps
1422 make_dir $h/test/run-fail
1423 make_dir $h/test/run-fail-fulldeps
1424 make_dir $h/test/compile-fail
1425 make_dir $h/test/parse-fail
1426 make_dir $h/test/compile-fail-fulldeps
1427 make_dir $h/test/bench
1428 make_dir $h/test/perf
1429 make_dir $h/test/pretty
1430 make_dir $h/test/debuginfo-gdb
1431 make_dir $h/test/debuginfo-lldb
1432 make_dir $h/test/codegen
1433 make_dir $h/test/codegen-units
1434 make_dir $h/test/rustdoc
1439 # Configure submodules
1440 step_msg "configuring submodules"
1442 # Have to be in the top of src directory for this
1443 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ] && [ -z $CFG_ENABLE_RUSTBUILD ]
1447 msg "git: submodule sync"
1448 "${CFG_GIT}" submodule sync
1450 msg "git: submodule init"
1451 "${CFG_GIT}" submodule init
1453 # Disable submodules that we're not using
1454 if [ -n "${CFG_LLVM_ROOT}" ]; then
1455 msg "git: submodule deinit src/llvm"
1456 "${CFG_GIT}" submodule deinit src/llvm
1458 if [ -n "${CFG_JEMALLOC_ROOT}" ]; then
1459 msg "git: submodule deinit src/jemalloc"
1460 "${CFG_GIT}" submodule deinit src/jemalloc
1463 msg "git: submodule update"
1464 "${CFG_GIT}" submodule update
1465 need_ok "git failed"
1467 msg "git: submodule foreach sync"
1468 "${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
1469 need_ok "git failed"
1471 msg "git: submodule foreach update"
1472 "${CFG_GIT}" submodule update --recursive
1473 need_ok "git failed"
1475 # NB: this is just for the sake of getting the submodule SHA1 values
1476 # and status written into the build log.
1477 msg "git: submodule status"
1478 "${CFG_GIT}" submodule status --recursive
1480 msg "git: submodule clobber"
1481 "${CFG_GIT}" submodule foreach --recursive git clean -dxf
1482 need_ok "git failed"
1483 "${CFG_GIT}" submodule foreach --recursive git checkout .
1484 need_ok "git failed"
1489 # Do a sanity check that the submodule source exists. Because GitHub
1490 # automatically publishes broken tarballs that can't be disabled, and
1491 # people download them and try to use them.
1492 if [ ! -e "${CFG_SRC_DIR}/src/liblibc" ]; then
1493 err "some submodules are missing. Is this a broken tarball?
1495 If you downloaded this tarball from the GitHub release pages at
1496 https://github.com/rust-lang/rust/releases,
1497 then please delete it and instead download the source from
1498 https://www.rust-lang.org/downloads.html"
1502 # Configure llvm, only if necessary
1503 step_msg "looking at LLVM"
1504 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
1515 if [ -n "$CFG_ENABLE_RUSTBUILD" ]
1517 msg "not configuring LLVM, rustbuild in use"
1519 elif [ -z $CFG_LLVM_ROOT ]
1521 LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm
1522 LLVM_INST_DIR=$LLVM_BUILD_DIR
1523 # For some crazy reason the MSVC output dir is different than Unix
1524 if [ ${is_msvc} -ne 0 ]; then
1525 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]
1527 # Just use LLVM straight from its build directory to
1528 # avoid 'make install' time
1529 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
1531 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
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 ${index}
1559 msg "not reconfiguring LLVM, config.status is fresh"
1565 # We need the generator later on for compiler-rt even if LLVM's not built
1566 if [ -n "$CFG_NINJA" ]
1569 elif [ ${is_msvc} -ne 0 ]
1571 case "$CFG_MSVC_ROOT" in
1573 generator="Visual Studio 14 2015"
1576 generator="Visual Studio 12 2013"
1579 err "can't determine generator for LLVM cmake"
1584 generator="$generator Win64"
1589 err "can only build LLVM for x86 platforms"
1593 generator="Unix Makefiles"
1595 CFG_CMAKE_GENERATOR=$generator
1596 putvar CFG_CMAKE_GENERATOR
1598 msg "configuring LLVM for $t"
1609 LLVM_CXX_32="ccache"
1611 LLVM_CXX_32_ARG1="clang++"
1612 LLVM_CC_32_ARG1="clang"
1613 LLVM_CFLAGS_32="-Qunused-arguments"
1614 LLVM_CXXFLAGS_32="-Qunused-arguments"
1616 LLVM_CXX_64="ccache"
1618 LLVM_CXX_64_ARG1="clang++"
1619 LLVM_CC_64_ARG1="clang"
1620 LLVM_CFLAGS_64="-Qunused-arguments"
1621 LLVM_CXXFLAGS_64="-Qunused-arguments"
1624 LLVM_CXX_32="clang++"
1626 LLVM_CFLAGS_32="-Qunused-arguments"
1627 LLVM_CXXFLAGS_32="-Qunused-arguments"
1629 LLVM_CXX_64="clang++"
1631 LLVM_CFLAGS_64="-Qunused-arguments"
1632 LLVM_CXXFLAGS_64="-Qunused-arguments"
1635 LLVM_CXX_32="ccache"
1637 LLVM_CXX_32_ARG1="clang++"
1638 LLVM_CC_32_ARG1="clang"
1640 LLVM_CXX_64="ccache"
1642 LLVM_CXX_64_ARG1="g++"
1643 LLVM_CC_64_ARG1="gcc"
1654 msg "inferring LLVM_CXX/CC from CXX/CC = $CXX/$CC"
1655 if [ -n "$CFG_ENABLE_CCACHE" ]
1657 if [ -z "$CFG_CCACHE" ]
1659 err "ccache requested but not found"
1662 LLVM_CXX_32="ccache"
1664 LLVM_CXX_32_ARG1="$CXX"
1665 LLVM_CC_32_ARG1="$CC"
1667 LLVM_CXX_64="ccache"
1669 LLVM_CXX_64_ARG1="$CXX"
1670 LLVM_CC_64_ARG1="$CC"
1682 case "$CFG_CPUTYPE" in
1684 LLVM_CFLAGS_32="$LLVM_CFLAGS_32 -m32"
1685 LLVM_CXXFLAGS_32="$LLVM_CXXFLAGS_32 -m32"
1686 LLVM_LDFLAGS_32="$LLVM_LDFLAGS_32 -m32"
1690 if echo $t | grep -q x86_64
1692 LLVM_CXX=$LLVM_CXX_64
1694 LLVM_CXX_ARG1=$LLVM_CXX_64_ARG1
1695 LLVM_CC_ARG1=$LLVM_CC_64_ARG1
1696 LLVM_CFLAGS=$LLVM_CFLAGS_64
1697 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
1698 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
1700 LLVM_CXX=$LLVM_CXX_32
1702 LLVM_CXX_ARG1=$LLVM_CXX_32_ARG1
1703 LLVM_CC_ARG1=$LLVM_CC_32_ARG1
1704 LLVM_CFLAGS=$LLVM_CFLAGS_32
1705 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
1706 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
1709 if [ "$CFG_USING_LIBCPP" != "0" ]; then
1710 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_LIBCXX=ON"
1713 # Turn off things we don't need
1714 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_INCLUDE_TESTS=OFF"
1715 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_INCLUDE_EXAMPLES=OFF"
1716 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_INCLUDE_DOCS=OFF"
1717 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ZLIB=OFF"
1718 CMAKE_ARGS="$CMAKE_ARGS -DWITH_POLY=OFF"
1719 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_TERMINFO=OFF"
1720 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_LIBEDIT=OFF"
1722 arch="$(echo "$t" | cut -d - -f 1)"
1724 if [ "$arch" = i686 ]; then
1725 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_BUILD_32_BITS=ON"
1728 if [ "$t" != "$CFG_BUILD" ]; then
1729 # see http://llvm.org/docs/HowToCrossCompileLLVM.html
1730 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_CROSSCOMPILING=True"
1731 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_TARGET_ARCH=$arch"
1732 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_TABLEGEN=$CFG_BUILD_DIR/$CFG_BUILD/llvm/bin/llvm-tblgen"
1733 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_DEFAULT_TARGET_TRIPLE=$t"
1736 # MSVC handles compiler business itself
1737 if [ ${is_msvc} -eq 0 ]; then
1738 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_C_COMPILER=$LLVM_CC"
1739 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_CXX_COMPILER=$LLVM_CXX"
1740 CMAKE_ARGS="$CMAKE_ARGS '-DCMAKE_C_FLAGS=$LLVM_CFLAGS'"
1741 CMAKE_ARGS="$CMAKE_ARGS '-DCMAKE_CXX_FLAGS=$LLVM_CXXFLAGS'"
1742 if [ -n "$LLVM_CC_ARG1" ]; then
1743 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_C_COMPILER_ARG1=$LLVM_CC_ARG1"
1745 if [ -n "$LLVM_CXX_ARG1" ]; then
1746 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_CXX_COMPILER_ARG1=$LLVM_CXX_ARG1"
1748 # FIXME: What about LDFLAGS?
1751 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then
1752 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Debug"
1754 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release"
1756 if [ -z "$CFG_ENABLE_LLVM_ASSERTIONS" ]
1758 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=OFF"
1760 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=ON"
1763 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_TARGETS_TO_BUILD='X86;ARM;AArch64;Mips;PowerPC;SystemZ'"
1764 CMAKE_ARGS="$CMAKE_ARGS -G '$CFG_CMAKE_GENERATOR'"
1765 CMAKE_ARGS="$CMAKE_ARGS $CFG_LLVM_SRC_DIR"
1767 if [ ${do_reconfigure} -ne 0 ]
1769 msg "configuring LLVM for $t with cmake"
1771 msg "configuring LLVM with:"
1774 (cd $LLVM_BUILD_DIR && eval "\"$CFG_CMAKE\"" $CMAKE_ARGS)
1775 need_ok "LLVM cmake configure failed"
1778 # Construct variables for LLVM build and install directories for
1779 # each target. These will be named
1780 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
1781 # target_triple will be converted to underscore, because bash
1782 # variables can't contain hyphens. The makefile will then have to
1784 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1785 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1786 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
1787 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
1791 step_msg "writing configuration"
1794 putvar CFG_SRC_DIR_RELATIVE
1795 putvar CFG_BUILD_DIR
1798 putvar CFG_CONFIGURE_ARGS
1802 putvar CFG_LIBDIR_RELATIVE
1803 putvar CFG_DISABLE_MANAGE_SUBMODULES
1804 putvar CFG_AARCH64_LINUX_ANDROID_NDK
1805 putvar CFG_ARM_LINUX_ANDROIDEABI_NDK
1806 putvar CFG_ARMV7_LINUX_ANDROIDEABI_NDK
1807 putvar CFG_I686_LINUX_ANDROID_NDK
1808 putvar CFG_NACL_CROSS_PATH
1811 putvar CFG_USING_LIBCPP
1813 # Avoid spurious warnings from clang by feeding it original source on
1814 # ccache-miss rather than preprocessed input.
1815 if [ -n "$CFG_ENABLE_CCACHE" ] && [ -n "$CFG_USING_CLANG" ]
1818 putvar CFG_CCACHE_CPP2
1821 if [ -n "$CFG_ENABLE_CCACHE" ]
1823 CFG_CCACHE_BASEDIR=${CFG_SRC_DIR}
1824 putvar CFG_CCACHE_BASEDIR
1828 putvar CFG_LLVM_SRC_DIR
1832 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1833 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1834 putvar $CFG_LLVM_BUILD_DIR
1835 putvar $CFG_LLVM_INST_DIR
1838 if [ -n "$CFG_ENABLE_RUSTBUILD" ]
1840 INPUT_MAKEFILE=src/bootstrap/mk/Makefile.in
1842 INPUT_MAKEFILE=Makefile.in
1846 copy_if_changed ${CFG_SRC_DIR}${INPUT_MAKEFILE} ./Makefile
1847 move_if_changed config.tmp config.mk
1851 if [ -z "$CFG_ENABLE_DEBUG" ]; then
1852 step_msg "configured in release mode. for development consider --enable-debug"
1857 msg "run \`make help\`"