14 echo "configure: WARNING: $1"
18 echo "configure: error: $1"
35 if command -v $1 >/dev/null 2>&1
36 then msg "found program '$1'"
37 else err "program '$1' is missing, please install it"
51 msg "leaving $2 unchanged"
54 chmod u-w $2 # make copied artifact read-only
61 msg "leaving $2 unchanged"
64 chmod u-w $2 # make moved artifact read-only
74 printf "configure: %-20s := %.35s ...\n" $1 "$T"
76 printf "configure: %-20s := %s %s\n" $1 "$T" "$2"
78 printf "%-20s := %s\n" $1 "$T" >>config.tmp
87 printf "configure: %-20s := %.35s ...\n" $1 "$T"
89 printf "configure: %-20s := %s %s\n" $1 "$T" "$2"
93 printf "%-20s := \n" $1 >>config.tmp
95 printf "%-20s := \"%s\"\n" $1 "$T" >>config.tmp
106 T=$(command -v $P 2>&1)
109 VER0=$($P --version 2>/dev/null \
110 | grep -o '[vV]\?[0-9][0-9.][a-z0-9.-]*' | head -1 )
111 if [ $? -eq 0 -a "x${VER0}" != "x" ]
133 err "needed, but unable to find any of: $*"
138 for arg in $CFG_CONFIGURE_ARGS
141 for option in $BOOL_OPTIONS
143 if test --disable-$option = $arg
147 if test --enable-$option = $arg
152 for option in $VAL_OPTIONS
154 if echo "$arg" | grep -q -- "--$option="
159 if [ "$arg" = "--help" ]
162 echo "No more help available for Configure options,"
163 echo "check the Wiki or join our IRC channel"
166 if test $isArgValid -eq 0
168 err "Option '$arg' is not recognized"
174 # `valopt OPTION_NAME DEFAULT DOC` extracts a string-valued option
175 # from command line, using provided default value for the option if
176 # not present, and saves it to the generated config.mk.
178 # `valopt_nosave` is much the same, except that it does not save the
179 # result to config.mk (instead the script should use `putvar` itself
180 # later on to save it). `valopt_core` is the core upon which the
181 # other two are built.
184 VAL_OPTIONS="$VAL_OPTIONS $2"
195 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
197 local V_PROVIDED="${V}_PROVIDED"
199 for arg in $CFG_CONFIGURE_ARGS
201 if echo "$arg" | grep -q -- "--$OP="
203 val=$(echo "$arg" | cut -f2 -d=)
208 if [ "$SAVE" = "save" ]
217 OP="${OP}=[${DEFAULT}]"
218 printf " --%-30s %s\n" "$OP" "$DOC"
223 valopt_core nosave "$@"
227 valopt_core save "$@"
230 # `opt OPTION_NAME DEFAULT DOC` extracts a boolean-valued option from
231 # command line, using the provided default value (0/1) for the option
232 # if not present, and saves it to the generated config.mk.
234 # `opt_nosave` is much the same, except that it does not save the
235 # result to config.mk (instead the script should use `putvar` itself
236 # later on to save it). `opt_core` is the core upon which the other
240 BOOL_OPTIONS="$BOOL_OPTIONS $2"
251 if [ $DEFAULT -eq 0 ]
254 DEFAULT_FLAG="disable"
257 DEFAULT_FLAG="enable"
263 for arg in $CFG_CONFIGURE_ARGS
265 if [ "$arg" = "--${FLAG}-${OP}" ]
267 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
268 FLAG=$(echo $FLAG | tr 'a-z' 'A-Z')
269 local V="CFG_${FLAG}_${OP}"
270 local V_PROVIDED="CFG_${FLAG}_${OP}_PROVIDED"
273 if [ "$SAVE" = "save" ]
277 elif [ "$arg" = "--${DEFAULT_FLAG}-${OP}" ]
279 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
280 DEFAULT_FLAG=$(echo $DEFAULT_FLAG | tr 'a-z' 'A-Z')
281 local V_PROVIDED="CFG_${DEFAULT_FLAG}_${OP}_PROVIDED"
290 printf " --%-30s %s\n" "$FLAG-$OP" "$DOC"
304 local V="CFG_${NAME}"
307 # If configure didn't set a value already, then check environment.
309 # (It is recommended that the configure script always check the
310 # environment before setting any values to envopt variables; see
311 # e.g. how CFG_CC is handled, where it first checks `-z "$CC"`,
312 # and issues msg if it ends up employing that provided value.)
319 # If script or environment provided a value, save it.
326 enable_if_not_disabled() {
328 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
329 local ENAB_V="CFG_ENABLE_$UOP"
330 local EXPLICITLY_DISABLED="CFG_DISABLE_${UOP}_PROVIDED"
331 eval VV=\$$EXPLICITLY_DISABLED
332 if [ -z "$VV" ]; then
339 i686-w64-mingw32) echo i686-pc-windows-gnu ;;
340 x86_64-w64-mingw32) echo x86_64-pc-windows-gnu ;;
347 i686-pc-windows-gnu) echo i686-w64-mingw32 ;;
348 x86_64-pc-windows-gnu) echo x86_64-w64-mingw32 ;;
353 # Prints the absolute path of a directory to stdout
356 # Unset CDPATH because it causes havok: it makes the destination unpredictable
357 # and triggers 'cd' to print the path to stdout. Route `cd`'s output to /dev/null
359 (unset CDPATH && cd "$_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 # msys' `uname` does not print gcc configuration, but prints msys
429 # configuration. so we cannot believe `uname -m`:
430 # msys1 is always i686 and msys2 is always x86_64.
431 # instead, msys defines $MSYSTEM which is MINGW32 on i686 and
434 CFG_OSTYPE=pc-windows-gnu
435 if [ "$MSYSTEM" = MINGW64 ]
442 CFG_OSTYPE=pc-windows-gnu
445 # Thad's Cygwin identifiers below
449 CFG_OSTYPE=pc-windows-gnu
455 CFG_OSTYPE=pc-windows-gnu
461 CFG_OSTYPE=pc-windows-gnu
467 CFG_OSTYPE=pc-windows-gnu
471 # Win 8 # uname -s on 64-bit cygwin does not contain WOW64, so simply use uname -m to detect arch (works in my install)
473 CFG_OSTYPE=pc-windows-gnu
475 # We do not detect other OS such as XP/2003 using 64 bit using uname.
476 # 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.
478 err "unknown OS type: $CFG_OSTYPE"
485 i386 | i486 | i686 | i786 | x86)
495 CFG_OSTYPE="${CFG_OSTYPE}eabihf"
502 # At some point, when ppc64[le] support happens, this will need to do
503 # something clever. For now it's safe to assume that we're only ever
504 # interested in building 32 bit.
505 powerpc | ppc | ppc64)
509 x86_64 | x86-64 | x64 | amd64)
514 err "unknown CPU type: $CFG_CPUTYPE"
517 # Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
518 if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
520 # $SHELL does not exist in standard 'sh', so probably only exists
521 # if configure is running in an interactive bash shell. /usr/bin/env
522 # exists *everywhere*.
523 BIN_TO_PROBE="$SHELL"
524 if [ -z "$BIN_TO_PROBE" -a -e "/usr/bin/env" ]; then
525 BIN_TO_PROBE="/usr/bin/env"
527 if [ -n "$BIN_TO_PROBE" ]; then
528 file -L "$BIN_TO_PROBE" | grep -q "x86[_-]64"
536 DEFAULT_BUILD="${CFG_CPUTYPE}-${CFG_OSTYPE}"
538 CFG_SRC_DIR="$(abs_path $(dirname $0))/"
539 CFG_SRC_DIR_RELATIVE="$(dirname $0)/"
540 CFG_BUILD_DIR="$(pwd)/"
542 CFG_CONFIGURE_ARGS="$@"
545 case "${CFG_SRC_DIR}" in
547 err "The path to the rust source directory contains spaces, which is not supported"
556 if [ "$1" = "--help" ]
561 echo "Usage: $CFG_SELF [options]"
566 msg "recreating config.tmp"
569 step_msg "processing $CFG_SELF args"
575 opt debug 0 "debug mode; disables optimization unless \`--enable-optimize\` given"
576 opt valgrind 0 "run tests with valgrind (memcheck by default)"
577 opt helgrind 0 "run tests with helgrind instead of memcheck"
578 opt valgrind-rpass 1 "run rpass-valgrind tests with valgrind"
579 opt docs 1 "build standard library documentation"
580 opt compiler-docs 0 "build compiler documentation"
581 opt optimize-tests 1 "build tests with optimizations"
582 opt debuginfo-tests 0 "build tests with debugger metadata"
583 opt libcpp 1 "build with llvm with libc++ instead of libstdc++ when using clang"
584 opt llvm-assertions 0 "build LLVM with assertions"
585 opt debug-assertions 0 "build with debugging assertions"
586 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
587 opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
588 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
589 opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
590 opt rpath 0 "build rpaths into rustc itself"
591 opt stage0-landing-pads 1 "enable landing pads during bootstrap with stage0"
592 # This is used by the automation to produce single-target nightlies
593 opt dist-host-only 0 "only install bins for the host architecture"
594 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
595 opt llvm-version-check 1 "check if the LLVM version is supported, build anyway"
597 # Optimization and debugging options. These may be overridden by the release channel, etc.
598 opt_nosave optimize 1 "build optimized rust code"
599 opt_nosave optimize-cxx 1 "build optimized C++ code"
600 opt_nosave optimize-llvm 1 "build optimized LLVM"
601 opt_nosave llvm-assertions 0 "build LLVM with assertions"
602 opt_nosave debug-assertions 0 "build with debugging assertions"
603 opt_nosave debuginfo 0 "build with debugger metadata"
604 opt_nosave debug-jemalloc 0 "build jemalloc with --enable-debug --enable-fill"
606 valopt localstatedir "/var/lib" "local state directory"
607 valopt sysconfdir "/etc" "install system configuration files"
609 valopt datadir "${CFG_PREFIX}/share" "install data"
610 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
611 valopt llvm-root "" "set LLVM root"
612 valopt python "" "set path to python"
613 valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located"
614 valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
615 valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path (deprecated)"
616 valopt i686-linux-android-ndk "" "i686-linux-android NDK standalone path"
617 valopt arm-linux-androideabi-ndk "" "arm-linux-androideabi NDK standalone path"
618 valopt aarch64-linux-android-ndk "" "aarch64-linux-android NDK standalone path"
619 valopt nacl-cross-path "" "NaCl SDK path (Pepper Canary is recommended). Must be absolute!"
620 valopt release-channel "dev" "the name of the release channel to build"
621 valopt musl-root "/usr/local" "MUSL root installation directory"
623 # Used on systems where "cc" and "ar" are unavailable
624 valopt default-linker "cc" "the default linker"
625 valopt default-ar "ar" "the default ar"
627 # Many of these are saved below during the "writing configuration" step
628 # (others are conditionally saved).
629 opt_nosave manage-submodules 1 "let the build manage the git submodules"
630 opt_nosave clang 0 "prefer clang to gcc for building the runtime"
631 opt_nosave jemalloc 1 "build liballoc with jemalloc"
632 opt elf-tls 1 "elf thread local storage on platforms where supported"
634 valopt_nosave prefix "/usr/local" "set installation prefix"
635 valopt_nosave local-rust-root "/usr/local" "set prefix for local rust binary"
636 valopt_nosave host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
637 valopt_nosave target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
638 valopt_nosave mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
640 # Temporarily support old triples until buildbots get updated
641 CFG_BUILD=$(to_llvm_triple $CFG_BUILD)
642 putvar CFG_BUILD # Yes, this creates a duplicate entry, but the last one wins.
643 CFG_HOST=$(to_llvm_triple $CFG_HOST)
644 CFG_TARGET=$(to_llvm_triple $CFG_TARGET)
646 # On Windows this determines root of the subtree for target libraries.
647 # Host runtime libs always go to 'bin'.
648 valopt libdir "${CFG_PREFIX}/lib" "install libraries"
650 case "$CFG_LIBDIR" in
651 "$CFG_PREFIX"/*) CAT_INC=2;;
652 "$CFG_PREFIX"*) CAT_INC=1;;
654 err "libdir must begin with the prefix. Use --prefix to set it accordingly.";;
657 CFG_LIBDIR_RELATIVE=`echo ${CFG_LIBDIR} | cut -c$((${#CFG_PREFIX}+${CAT_INC}))-`
666 step_msg "validating $CFG_SELF args"
669 # Validate the release channel, and configure options
670 case "$CFG_RELEASE_CHANNEL" in
672 msg "overriding settings for $CFG_RELEASE_CHANNEL"
673 CFG_ENABLE_LLVM_ASSERTIONS=1
678 err "release channel must be 'dev', 'nightly', 'beta' or 'stable'"
682 # Adjust perf and debug options for debug mode
683 if [ -n "$CFG_ENABLE_DEBUG" ]; then
684 msg "debug mode enabled, setting performance options"
685 if [ -z "$CFG_ENABLE_OPTIMIZE_PROVIDED" ]; then
686 msg "optimization not explicitly enabled, disabling optimization"
687 CFG_DISABLE_OPTIMIZE=1
688 CFG_DISABLE_OPTIMIZE_CXX=1
691 # Set following variables to 1 unless setting already provided
692 enable_if_not_disabled debug-assertions
693 enable_if_not_disabled debug-jemalloc
694 enable_if_not_disabled debuginfo
695 enable_if_not_disabled llvm-assertions
698 # OK, now write the debugging options
699 if [ -n "$CFG_DISABLE_OPTIMIZE" ]; then putvar CFG_DISABLE_OPTIMIZE; fi
700 if [ -n "$CFG_DISABLE_OPTIMIZE_CXX" ]; then putvar CFG_DISABLE_OPTIMIZE_CXX; fi
701 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then putvar CFG_DISABLE_OPTIMIZE_LLVM; fi
702 if [ -n "$CFG_ENABLE_LLVM_ASSERTIONS" ]; then putvar CFG_ENABLE_LLVM_ASSERTIONS; fi
703 if [ -n "$CFG_ENABLE_DEBUG_ASSERTIONS" ]; then putvar CFG_ENABLE_DEBUG_ASSERTIONS; fi
704 if [ -n "$CFG_ENABLE_DEBUGINFO" ]; then putvar CFG_ENABLE_DEBUGINFO; fi
705 if [ -n "$CFG_ENABLE_DEBUG_JEMALLOC" ]; then putvar CFG_ENABLE_DEBUG_JEMALLOC; fi
707 # A magic value that allows the compiler to use unstable features
708 # during the bootstrap even when doing so would normally be an error
709 # because of feature staging or because the build turns on
710 # warnings-as-errors and unstable features default to warnings. The
711 # build has to match this key in an env var. Meant to be a mild
712 # deterrent from users just turning on unstable features on the stable
714 # Basing CFG_BOOTSTRAP_KEY on CFG_BOOTSTRAP_KEY lets it get picked up
715 # during a Makefile reconfig.
716 CFG_BOOTSTRAP_KEY="${CFG_BOOTSTRAP_KEY-`date +%H:%M:%S`}"
717 putvar CFG_BOOTSTRAP_KEY
719 step_msg "looking for build programs"
721 probe_need CFG_CURLORWGET curl wget
722 if [ -z "$CFG_PYTHON_PROVIDED" ]; then
723 probe_need CFG_PYTHON python2.7 python2.6 python2 python
726 python_version=$($CFG_PYTHON -V 2>&1)
727 if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then
728 err "Found $python_version, but LLVM requires Python 2.4-2.7"
731 # If we have no git directory then we are probably a tarball distribution
732 # and shouldn't attempt to load submodules
733 if [ ! -e ${CFG_SRC_DIR}.git ]
736 msg "git: no git directory. disabling submodules"
737 CFG_DISABLE_MANAGE_SUBMODULES=1
739 probe_need CFG_GIT git
742 # Use `md5sum` on GNU platforms, or `md5 -q` on BSD
744 probe CFG_MD5SUM md5sum
747 CFG_HASH_COMMAND="$CFG_MD5 -q | cut -c 1-8"
748 elif [ -n "$CFG_MD5SUM" ]
750 CFG_HASH_COMMAND="$CFG_MD5SUM | cut -c 1-8"
752 err 'could not find one of: md5 md5sum'
754 putvar CFG_HASH_COMMAND
756 probe CFG_CLANG clang++
757 probe CFG_CCACHE ccache
760 probe CFG_VALGRIND valgrind
763 probe CFG_ANTLR4 antlr4
766 probe CFG_BISON bison
770 # On MacOS X, invoking `javac` pops up a dialog if the JDK is not
771 # installed. Since `javac` is only used if `antlr4` is available,
772 # probe for it only in this case.
773 if [ -n "$CFG_ANTLR4" ]
775 probe CFG_JAVAC javac
778 # the valgrind rpass tests will fail if you don't have a valgrind, but they're
779 # only disabled if you opt out.
780 if [ -z "$CFG_VALGRIND" ]
782 # If the user has explicitly asked for valgrind tests, then fail
783 if [ -n "$CFG_ENABLE_VALGRIND" ] && [ -n "$CFG_ENABLE_VALGRIND_PROVIDED" ]
785 err "No valgrind present, but valgrind tests explicitly requested"
787 CFG_DISABLE_VALGRIND_RPASS=1
788 putvar CFG_DISABLE_VALGRIND_RPASS
794 # Store GDB's version
795 CFG_GDB_VERSION=$($CFG_GDB --version 2>/dev/null | head -1)
796 putvar CFG_GDB_VERSION
799 if [ -n "$CFG_LLDB" ]
801 # Store LLDB's version
802 CFG_LLDB_VERSION=$($CFG_LLDB --version 2>/dev/null | head -1)
803 putvar CFG_LLDB_VERSION
805 # If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
806 # LLDB via the -P commandline options.
807 if [ -z "$CFG_LLDB_PYTHON_DIR" ] || [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
809 CFG_LLDB_PYTHON_DIR=$($CFG_LLDB -P)
811 # If CFG_LLDB_PYTHON_DIR is not a valid directory, set it to something more readable
812 if [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
814 CFG_LLDB_PYTHON_DIR="LLDB_PYTHON_DIRECTORY_NOT_FOUND"
817 putvar CFG_LLDB_PYTHON_DIR
821 step_msg "looking for target specific programs"
826 if [ "$CFG_OSTYPE" = "pc-windows-gnu" ] || [ "$CFG_OSTYPE" = "pc-windows-msvc" ]
831 if [ -n "$CFG_ENABLE_LOCAL_RUST" ]
833 system_rustc=$(which rustc)
834 if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
836 : # everything already configured
837 elif [ -n "$system_rustc" ]
839 # we assume that rustc is in a /bin directory
840 CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc}
842 err "no local rust to use"
845 CMD="${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF}"
849 step_msg "failure while running $CMD --version"
852 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
853 putvar CFG_LOCAL_RUST_ROOT
856 # Force bitrig to build with clang; gcc doesn't like us there
857 if [ $CFG_OSTYPE = unknown-bitrig ]
859 step_msg "on Bitrig, forcing use of clang, disabling jemalloc"
861 CFG_DISABLE_JEMALLOC=1
864 # default gcc version under OpenBSD maybe too old, try using egcc, which is a
865 # gcc version from ports
866 if [ $CFG_OSTYPE = unknown-openbsd ]
868 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
869 step_msg "older GCC found, try with egcc instead"
871 # probe again but using egcc
874 # and use egcc/eg++ for CC/CXX too if it was found
875 # (but user setting has priority)
876 if [ -n "$CFG_GCC" ]; then
882 step_msg "on OpenBSD, disabling jemalloc"
883 CFG_DISABLE_JEMALLOC=1
886 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
887 # system, so if we find that gcc is clang, we should just use clang directly.
888 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
890 CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version")
893 step_msg "on OS X >=10.9, forcing use of clang"
896 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
897 step_msg "older GCC found, using clang instead"
900 # on OS X, with xcode 5 and newer, certain developers may have
901 # cc, gcc and g++ point to a mixture of clang and gcc
902 # if so, this will create very strange build errors
903 # this last stanza is to detect some such problems and save the future rust
904 # contributor some time solving that issue.
905 # this detection could be generalized to other OSes aside from OS X
906 # but the issue seems most likely to happen on OS X
909 $1 --version 2> /dev/null | grep -q $2
911 # check that gcc, cc and g++ all point to the same compiler.
912 # note that for xcode 5, g++ points to clang, not clang++
913 if !((chk_cc gcc clang && chk_cc g++ clang) ||
914 (chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))); then
915 err "the gcc and g++ in your path point to different compilers.
916 Check which versions are in your path with gcc --version and g++ --version.
917 To resolve this problem, either fix your PATH or run configure with --enable-clang"
924 # If the clang isn't already enabled, check for GCC, and if it is missing, turn
925 # on clang as a backup.
926 if [ -z "$CFG_ENABLE_CLANG" ]
928 CFG_GCC_VERSION=$("$CFG_GCC" --version 2>&1)
931 step_msg "GCC not installed, will try using Clang"
936 # Okay, at this point, we have made up our minds about whether we are
937 # going to force CFG_ENABLE_CLANG or not; save the setting if so.
938 if [ -n "$CFG_ENABLE_CLANG" ]
940 putvar CFG_ENABLE_CLANG
943 if [ -z "$CFG_DISABLE_LIBCPP" -a -n "$CFG_ENABLE_CLANG" ]
950 # Same with jemalloc. save the setting here.
951 if [ -n "$CFG_DISABLE_JEMALLOC" ]
953 putvar CFG_DISABLE_JEMALLOC
956 if [ -n "$CFG_LLVM_ROOT" -a -z "$CFG_DISABLE_LLVM_VERSION_CHECK" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
958 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
960 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
961 LLVM_VERSION=$($LLVM_CONFIG --version)
963 case $LLVM_VERSION in
965 msg "found ok version of LLVM: $LLVM_VERSION"
968 err "bad LLVM version: $LLVM_VERSION, need >=3.5"
973 # Even when the user overrides the choice of CC, still try to detect
974 # clang to disable some clang-specific warnings. We here draw a
975 # distinction between:
977 # CFG_ENABLE_CLANG : passed --enable-clang, or host "requires" clang,
978 # CFG_USING_CLANG : compiler (clang / gcc / $CC) looks like clang.
980 # This distinction is important because there are some safeguards we
981 # would prefer to skip when merely CFG_USING_CLANG is set; but when
982 # CFG_ENABLE_CLANG is set, that indicates that we are opting into
983 # running such safeguards.
987 msg "skipping compiler inference steps; using provided CC=$CC"
990 CFG_OSX_CC_VERSION=$("$CFG_CC" --version 2>&1 | grep "clang")
993 step_msg "note, user-provided CC looks like clang; CC=$CC."
995 putvar CFG_USING_CLANG
998 if [ -n "$CFG_ENABLE_CLANG" ]
1000 if [ -z "$CFG_CLANG" ]
1002 err "clang requested but not found"
1006 putvar CFG_USING_CLANG
1012 if [ -n "$CFG_ENABLE_CLANG" ]
1016 CFG_CLANG_REPORTED_VERSION=$($CFG_CC --version | grep version)
1018 if echo $CFG_CLANG_REPORTED_VERSION | grep -q "(based on LLVM "; then
1019 CFG_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*(based on LLVM \(.*\))/\1/')
1020 elif echo $CFG_CLANG_REPORTED_VERSION | grep -q "Apple LLVM"; then
1021 CFG_OSX_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*version \(.*\) .*/\1/')
1023 CFG_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*version \(.*\) .*/\1/')
1026 if [ -n "$CFG_OSX_CLANG_VERSION" ]
1028 case $CFG_OSX_CLANG_VERSION in
1030 step_msg "found ok version of APPLE CLANG: $CFG_OSX_CLANG_VERSION"
1033 err "bad APPLE CLANG version: $CFG_OSX_CLANG_VERSION, need >=7.0"
1037 case $CFG_CLANG_VERSION in
1038 (3.2* | 3.3* | 3.4* | 3.5* | 3.6* | 3.7* | 3.8*)
1039 step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
1042 err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
1055 if [ -n "$CFG_ENABLE_CCACHE" ]
1057 if [ -z "$CFG_CCACHE" ]
1059 err "ccache requested but not found"
1062 CFG_CC="ccache $CFG_CC"
1065 if [ -z "$CC" -a -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
1067 err "either clang or gcc is required"
1070 # All safeguards based on $CFG_ENABLE_CLANG should occur before this
1071 # point in the script; after this point, script logic should inspect
1072 # $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG.
1074 # Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS,LDFLAGS}
1082 # stdc++ name in use
1083 # used to manage non-standard name (on OpenBSD for example)
1084 program_transform_name=$($CFG_CC -v 2>&1 | sed -n "s/.*--program-transform-name='\([^']*\)'.*/\1/p")
1085 CFG_STDCPP_NAME=$(echo "stdc++" | sed "${program_transform_name}")
1086 putvar CFG_STDCPP_NAME
1088 # a little post-processing of various config values
1089 CFG_PREFIX=${CFG_PREFIX%/}
1090 CFG_MANDIR=${CFG_MANDIR%/}
1091 CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
1092 CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
1093 CFG_SUPPORTED_TARGET=""
1094 for target_file in ${CFG_SRC_DIR}mk/cfg/*.mk; do
1095 CFG_SUPPORTED_TARGET="${CFG_SUPPORTED_TARGET} $(basename "$target_file" .mk)"
1098 # copy build-triples to host-triples so that builds are a subset of hosts
1100 for i in $CFG_BUILD $CFG_HOST;
1102 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
1106 # copy host-triples to target-triples so that hosts are a subset of targets
1108 for i in $CFG_HOST $CFG_TARGET;
1110 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
1114 # check target-specific tool-chains
1115 for i in $CFG_TARGET
1118 for j in $CFG_SUPPORTED_TARGET
1126 if [ $L_CHECK = false ]
1128 err "unsupported target triples \"$i\" found"
1133 upper_snake_target=$(echo "$i" | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
1134 eval ndk=\$"CFG_${upper_snake_target}_NDK"
1137 ndk=$CFG_ANDROID_CROSS_PATH
1138 eval "CFG_${upper_snake_target}_NDK"=$CFG_ANDROID_CROSS_PATH
1139 warn "generic/default Android NDK option is deprecated (use --$i-ndk option instead)"
1142 # Perform a basic sanity check of the NDK
1143 for android_ndk_tool in "$ndk/bin/$i-gcc" "$ndk/bin/$i-g++" "$ndk/bin/$i-ar"
1145 if [ ! -f $android_ndk_tool ]
1147 err "NDK tool $android_ndk_tool not found (bad or missing --$i-ndk option?)"
1152 if [ -z "$CFG_NACL_CROSS_PATH" ]
1154 err "I need the NaCl SDK path! (use --nacl-cross-path)"
1158 if [ $CFG_OSTYPE != apple-darwin ]
1160 err "The iOS target is only supported on Mac OS X"
1166 if [ ! -f $CFG_MUSL_ROOT/lib/libc.a ]
1168 err "musl libc $CFG_MUSL_ROOT/lib/libc.a not found"
1173 # Currently the build system is not configured to build jemalloc
1174 # with MSVC, so we omit this optional dependency.
1175 step_msg "targeting MSVC, disabling jemalloc"
1176 CFG_DISABLE_JEMALLOC=1
1177 putvar CFG_DISABLE_JEMALLOC
1179 # There are some MSYS python builds which will auto-translate
1180 # windows-style paths to MSYS-style paths in Python itself.
1181 # Unfortunately this breaks LLVM's build system as somewhere along
1182 # the line LLVM prints a path into a file from Python and then CMake
1183 # later tries to interpret that path. If Python prints a MSYS path
1184 # and CMake tries to use it as a Windows path, you're gonna have a
1187 # Consequently here we try to detect when that happens and print an
1189 if $CFG_PYTHON -c 'import sys; print sys.argv[1]' `pwd` | grep '^/' > /dev/null
1193 python is silently translating windows paths to MSYS paths \
1194 and the build will fail if this python is used.
1196 Either an official python install must be used or an \
1197 alternative python package in MinGW must be used.
1199 If you are building under msys2 try installing the mingw-w64-x86_64-python2 \
1200 package instead of python2:
1202 $ pacman -R python2 && pacman -S mingw-w64-x86_64-python2
1206 # MSVC requires cmake because that's how we're going to build LLVM
1207 probe_need CFG_CMAKE cmake
1209 # There are three builds of cmake on windows: MSVC, MinGW and Cygwin
1210 # The Cygwin build does not have generators for Visual Studio, so
1211 # detect that here and error.
1212 if ! "$CFG_CMAKE" --help | sed -n '/^Generators/,$p' | grep 'Visual Studio' > /dev/null
1216 cmake does not support Visual Studio generators.
1218 This is likely due to it being an msys/cygwin build of cmake, \
1219 rather than the required windows version, built using MinGW \
1222 If you are building under msys2 try installing the mingw-w64-x86_64-cmake \
1223 package instead of cmake:
1225 $ pacman -R cmake && pacman -S mingw-w64-x86_64-cmake
1229 # Use the REG program to figure out where VS is installed
1230 # We need to figure out where cl.exe and link.exe are, so we do some
1231 # munging and some probing here. We also look for the default
1232 # INCLUDE and LIB variables for MSVC so we can set those in the
1233 # build system as well.
1234 install=$(cmd //c reg QUERY \
1235 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\14.0' \
1237 if [ -z "$install" ]; then
1238 install=$(cmd //c reg QUERY \
1239 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\12.0' \
1242 need_ok "couldn't find visual studio install root"
1243 CFG_MSVC_ROOT=$(echo "$install" | grep InstallDir | sed 's/.*REG_SZ[ ]*//')
1244 CFG_MSVC_ROOT=$(dirname "$CFG_MSVC_ROOT")
1245 CFG_MSVC_ROOT=$(dirname "$CFG_MSVC_ROOT")
1246 putvar CFG_MSVC_ROOT
1258 err "can only target x86 targets for MSVC"
1261 bindir="${CFG_MSVC_ROOT}/VC/bin"
1262 if [ -n "$msvc_part" ]; then
1263 bindir="$bindir/$msvc_part"
1265 eval CFG_MSVC_BINDIR_$bits="\"$bindir\""
1266 eval CFG_MSVC_CL_$bits="\"$bindir/cl.exe\""
1267 eval CFG_MSVC_LIB_$bits="\"$bindir/lib.exe\""
1268 eval CFG_MSVC_LINK_$bits="\"$bindir/link.exe\""
1270 vcvarsall="${CFG_MSVC_ROOT}/VC/vcvarsall.bat"
1271 include_path=$(cmd //V:ON //c "$vcvarsall" $msvc_part \& echo !INCLUDE!)
1272 need_ok "failed to learn about MSVC's INCLUDE"
1273 lib_path=$(cmd //V:ON //c "$vcvarsall" $msvc_part \& echo !LIB!)
1274 need_ok "failed to learn about MSVC's LIB"
1276 eval CFG_MSVC_INCLUDE_PATH_${bits}="\"$include_path\""
1277 eval CFG_MSVC_LIB_PATH_${bits}="\"$lib_path\""
1279 putvar CFG_MSVC_BINDIR_${bits}
1280 putvar CFG_MSVC_CL_${bits}
1281 putvar CFG_MSVC_LIB_${bits}
1282 putvar CFG_MSVC_LINK_${bits}
1283 putvar CFG_MSVC_INCLUDE_PATH_${bits}
1284 putvar CFG_MSVC_LIB_PATH_${bits}
1288 step_msg "targeting rumprun-netbsd, disabling jemalloc"
1289 CFG_DISABLE_JEMALLOC=1
1290 putvar CFG_DISABLE_JEMALLOC
1298 if [ -n "$CFG_PERF" ]
1300 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
1301 if [ -z "$HAVE_PERF_LOGFD" ];
1303 CFG_PERF_WITH_LOGFD=1
1304 putvar CFG_PERF_WITH_LOGFD
1308 step_msg "making directories"
1311 doc doc/std doc/extra \
1324 make_dir $t/rustllvm
1327 for t in $CFG_TARGET
1332 make_dir $t/rt/stage$s
1333 make_dir $t/rt/jemalloc
1334 make_dir $t/rt/compiler-rt
1337 arch/i386 arch/x86_64 arch/arm arch/aarch64 arch/mips arch/powerpc
1339 make_dir $t/rt/stage$s/$i
1346 for t in $CFG_TARGET
1348 # host lib dir stage0
1349 make_dir $h/stage0/lib
1351 # target bin dir stage0
1352 make_dir $h/stage0/lib/rustlib/$t/bin
1354 # target lib dir stage0
1355 make_dir $h/stage0/lib/rustlib/$t/lib
1360 make_dir $h/stage$i/bin
1363 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE
1366 make_dir $h/stage$i/test
1369 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin
1372 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib
1376 make_dir $h/test/run-pass
1377 make_dir $h/test/run-pass-valgrind
1378 make_dir $h/test/run-pass-fulldeps
1379 make_dir $h/test/run-fail
1380 make_dir $h/test/run-fail-fulldeps
1381 make_dir $h/test/compile-fail
1382 make_dir $h/test/parse-fail
1383 make_dir $h/test/compile-fail-fulldeps
1384 make_dir $h/test/bench
1385 make_dir $h/test/perf
1386 make_dir $h/test/pretty
1387 make_dir $h/test/debuginfo-gdb
1388 make_dir $h/test/debuginfo-lldb
1389 make_dir $h/test/codegen
1390 make_dir $h/test/rustdoc
1393 # Configure submodules
1394 step_msg "configuring submodules"
1396 # Have to be in the top of src directory for this
1397 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ]
1401 msg "git: submodule sync"
1402 "${CFG_GIT}" submodule sync
1404 msg "git: submodule init"
1405 "${CFG_GIT}" submodule init
1407 # Disable submodules that we're not using
1408 if [ -n "${CFG_LLVM_ROOT}" ]; then
1409 msg "git: submodule deinit src/llvm"
1410 "${CFG_GIT}" submodule deinit src/llvm
1412 if [ -n "${CFG_JEMALLOC_ROOT}" ]; then
1413 msg "git: submodule deinit src/jemalloc"
1414 "${CFG_GIT}" submodule deinit src/jemalloc
1417 msg "git: submodule update"
1418 "${CFG_GIT}" submodule update
1419 need_ok "git failed"
1421 msg "git: submodule foreach sync"
1422 "${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
1423 need_ok "git failed"
1425 msg "git: submodule foreach update"
1426 "${CFG_GIT}" submodule update --recursive
1427 need_ok "git failed"
1429 # NB: this is just for the sake of getting the submodule SHA1 values
1430 # and status written into the build log.
1431 msg "git: submodule status"
1432 "${CFG_GIT}" submodule status --recursive
1434 msg "git: submodule clobber"
1435 "${CFG_GIT}" submodule foreach --recursive git clean -dxf
1436 need_ok "git failed"
1437 "${CFG_GIT}" submodule foreach --recursive git checkout .
1438 need_ok "git failed"
1443 # Configure llvm, only if necessary
1444 step_msg "looking at LLVM"
1445 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
1456 if [ -z $CFG_LLVM_ROOT ]
1458 LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm
1459 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]
1461 LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
1462 # Just use LLVM straight from its build directory to
1463 # avoid 'make install' time
1464 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
1466 LLVM_DBG_OPTS="--enable-optimized"
1467 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
1469 if [ -z "$CFG_ENABLE_LLVM_ASSERTIONS" ]
1471 LLVM_ASSERTION_OPTS="--disable-assertions"
1473 LLVM_ASSERTION_OPTS="--enable-assertions"
1475 # Apparently even if we request assertions be enabled for MSVC,
1476 # LLVM's CMake build system ignore this and outputs in `Release`
1478 if [ ${is_msvc} -eq 0 ]; then
1479 LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts
1483 msg "not reconfiguring LLVM, external LLVM root"
1484 # The user is using their own LLVM
1486 LLVM_INST_DIR=$CFG_LLVM_ROOT
1488 # Check that LLVm FileCheck is available. Needed for the tests
1489 need_cmd $LLVM_INST_DIR/bin/FileCheck
1492 if [ ${do_reconfigure} -ne 0 ]
1494 # because git is hilarious, it might have put the module index
1495 # in a couple places.
1496 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
1497 index2="${CFG_SRC_DIR}src/llvm/.git/index"
1498 for index in ${index1} ${index2}
1500 config_status="${LLVM_BUILD_DIR}/config.status"
1501 if test -e ${index} -a \
1502 -e ${config_status} -a \
1503 ${config_status} -nt ${index}
1505 msg "not reconfiguring LLVM, config.status is fresh"
1511 # We need the generator later on for compiler-rt even if LLVM's not built
1512 if [ ${is_msvc} -ne 0 ]
1514 case "$CFG_MSVC_ROOT" in
1516 generator="Visual Studio 14 2015"
1519 generator="Visual Studio 12 2013"
1522 err "can't determine generator for LLVM cmake"
1527 generator="$generator Win64"
1532 err "can only build LLVM for x86 platforms"
1535 CFG_CMAKE_GENERATOR=$generator
1536 putvar CFG_CMAKE_GENERATOR
1539 if [ ${do_reconfigure} -ne 0 ] && [ ${is_msvc} -ne 0 ]
1541 msg "configuring LLVM for $t with cmake"
1543 CMAKE_ARGS="-DLLVM_INCLUDE_TESTS=OFF"
1544 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then
1545 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Debug"
1547 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release"
1549 if [ -z "$CFG_ENABLE_LLVM_ASSERTIONS" ]
1551 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=OFF"
1553 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=ON"
1556 msg "configuring LLVM with:"
1559 (cd $LLVM_BUILD_DIR && "$CFG_CMAKE" $CFG_LLVM_SRC_DIR \
1560 -G "$CFG_CMAKE_GENERATOR" \
1562 need_ok "LLVM cmake configure failed"
1565 if [ ${do_reconfigure} -ne 0 ] && [ ${is_msvc} -eq 0 ]
1567 # LLVM's configure doesn't recognize the new Windows triples yet
1568 gnu_t=$(to_gnu_triple $t)
1570 msg "configuring LLVM for $gnu_t"
1572 LLVM_TARGETS="--enable-targets=x86,x86_64,arm,aarch64,mips,powerpc"
1573 LLVM_BUILD="--build=$gnu_t"
1574 LLVM_HOST="--host=$gnu_t"
1575 LLVM_TARGET="--target=$gnu_t"
1577 # Disable unused LLVM features
1578 LLVM_OPTS="$LLVM_DBG_OPTS $LLVM_ASSERTION_OPTS --disable-docs --enable-bindings=none"
1579 # Disable term-info, linkage of which comes in multiple forms,
1580 # making our snapshots incompatible (#9334)
1581 LLVM_OPTS="$LLVM_OPTS --disable-terminfo"
1582 # Try to have LLVM pull in as few dependencies as possible (#9397)
1583 LLVM_OPTS="$LLVM_OPTS --disable-zlib --disable-libffi"
1585 # Use win32 native thread/lock apis instead of pthread wrapper.
1586 # (llvm's configure tries to find pthread first, so we have to disable it explicitly.)
1587 # Also note that pthreads works badly on mingw-w64 systems: #8996
1588 case "$CFG_BUILD" in
1590 LLVM_OPTS="$LLVM_OPTS --disable-pthreads"
1596 LLVM_CXX_32="ccache clang++ -Qunused-arguments"
1597 LLVM_CC_32="ccache clang -Qunused-arguments"
1599 LLVM_CXX_64="ccache clang++ -Qunused-arguments"
1600 LLVM_CC_64="ccache clang -Qunused-arguments"
1603 LLVM_CXX_32="clang++ -Qunused-arguments"
1604 LLVM_CC_32="clang -Qunused-arguments"
1606 LLVM_CXX_64="clang++ -Qunused-arguments"
1607 LLVM_CC_64="clang -Qunused-arguments"
1610 LLVM_CXX_32="ccache g++"
1611 LLVM_CC_32="ccache gcc"
1613 LLVM_CXX_64="ccache g++"
1614 LLVM_CC_64="ccache gcc"
1625 msg "inferring LLVM_CXX/CC from CXX/CC = $CXX/$CC"
1626 if [ -n "$CFG_ENABLE_CCACHE" ]
1628 if [ -z "$CFG_CCACHE" ]
1630 err "ccache requested but not found"
1633 LLVM_CXX_32="ccache $CXX"
1634 LLVM_CC_32="ccache $CC"
1636 LLVM_CXX_64="ccache $CXX"
1637 LLVM_CC_64="ccache $CC"
1649 case "$CFG_CPUTYPE" in
1651 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1652 LLVM_CC_32="$LLVM_CC_32 -m32"
1654 LLVM_CFLAGS_32="-m32"
1655 LLVM_CXXFLAGS_32="-m32"
1656 LLVM_LDFLAGS_32="-m32"
1662 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1663 LLVM_CC_32="$LLVM_CC_32 -m32"
1677 if echo $t | grep -q x86_64
1679 LLVM_CXX=$LLVM_CXX_64
1681 LLVM_CFLAGS=$LLVM_CFLAGS_64
1682 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
1683 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
1685 LLVM_CXX=$LLVM_CXX_32
1687 LLVM_CFLAGS=$LLVM_CFLAGS_32
1688 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
1689 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
1694 CFLAGS="$CFLAGS $LLVM_CFLAGS"
1695 CXXFLAGS="$CXXFLAGS $LLVM_CXXFLAGS"
1696 LDFLAGS="$LDFLAGS $LLVM_LDFLAGS"
1698 if [ "$CFG_USING_LIBCPP" != "0" ]; then
1699 LLVM_OPTS="$LLVM_OPTS --enable-libcpp"
1702 LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
1703 $LLVM_HOST $LLVM_TARGET --with-python=$CFG_PYTHON"
1705 msg "configuring LLVM with:"
1715 case $CFG_SRC_DIR in
1716 /* | [a-z]:* | [A-Z]:*)
1717 ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
1720 ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
1724 need_ok "LLVM configure failed"
1729 # Construct variables for LLVM build and install directories for
1730 # each target. These will be named
1731 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
1732 # target_triple will be converted to underscore, because bash
1733 # variables can't contain hyphens. The makefile will then have to
1735 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1736 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1737 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
1738 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
1742 step_msg "writing configuration"
1745 putvar CFG_SRC_DIR_RELATIVE
1746 putvar CFG_BUILD_DIR
1749 putvar CFG_CONFIGURE_ARGS
1753 putvar CFG_LIBDIR_RELATIVE
1754 putvar CFG_DISABLE_MANAGE_SUBMODULES
1755 putvar CFG_AARCH64_LINUX_ANDROID_NDK
1756 putvar CFG_ARM_LINUX_ANDROIDEABI_NDK
1757 putvar CFG_I686_LINUX_ANDROID_NDK
1758 putvar CFG_NACL_CROSS_PATH
1760 putvar CFG_USING_LIBCPP
1762 # Avoid spurious warnings from clang by feeding it original source on
1763 # ccache-miss rather than preprocessed input.
1764 if [ -n "$CFG_ENABLE_CCACHE" ] && [ -n "$CFG_USING_CLANG" ]
1767 putvar CFG_CCACHE_CPP2
1770 if [ -n "$CFG_ENABLE_CCACHE" ]
1772 CFG_CCACHE_BASEDIR=${CFG_SRC_DIR}
1773 putvar CFG_CCACHE_BASEDIR
1777 putvar CFG_LLVM_SRC_DIR
1781 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1782 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1783 putvar $CFG_LLVM_BUILD_DIR
1784 putvar $CFG_LLVM_INST_DIR
1788 copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile
1789 move_if_changed config.tmp config.mk
1793 if [ -z "$CFG_ENABLE_DEBUG" ]; then
1794 step_msg "configured in release mode. for development consider --enable-debug"
1799 msg "run \`make help\`"