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 [ ! -r "$BIN_TO_PROBE" ]; then
525 if [ -r "/usr/bin/env" ]; then
526 BIN_TO_PROBE="/usr/bin/env"
528 warn "Cannot check if the userland is i686 or x86_64"
531 file -L "$BIN_TO_PROBE" | grep -q "x86[_-]64"
533 msg "i686 userland on x86_64 Linux kernel"
539 DEFAULT_BUILD="${CFG_CPUTYPE}-${CFG_OSTYPE}"
541 CFG_SRC_DIR="$(abs_path $(dirname $0))/"
542 CFG_SRC_DIR_RELATIVE="$(dirname $0)/"
543 CFG_BUILD_DIR="$(pwd)/"
545 CFG_CONFIGURE_ARGS="$@"
548 case "${CFG_SRC_DIR}" in
550 err "The path to the rust source directory contains spaces, which is not supported"
559 if [ "$1" = "--help" ]
564 echo "Usage: $CFG_SELF [options]"
569 msg "recreating config.tmp"
572 step_msg "processing $CFG_SELF args"
578 opt debug 0 "debug mode; disables optimization unless \`--enable-optimize\` given"
579 opt valgrind 0 "run tests with valgrind (memcheck by default)"
580 opt helgrind 0 "run tests with helgrind instead of memcheck"
581 opt valgrind-rpass 1 "run rpass-valgrind tests with valgrind"
582 opt docs 1 "build standard library documentation"
583 opt compiler-docs 0 "build compiler documentation"
584 opt optimize-tests 1 "build tests with optimizations"
585 opt debuginfo-tests 0 "build tests with debugger metadata"
586 opt libcpp 1 "build with llvm with libc++ instead of libstdc++ when using clang"
587 opt llvm-assertions 0 "build LLVM with assertions"
588 opt debug-assertions 0 "build with debugging assertions"
589 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
590 opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
591 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
592 opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
593 opt rpath 1 "build rpaths into rustc itself"
594 opt stage0-landing-pads 1 "enable landing pads during bootstrap with stage0"
595 # This is used by the automation to produce single-target nightlies
596 opt dist-host-only 0 "only install bins for the host architecture"
597 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
598 opt llvm-version-check 1 "check if the LLVM version is supported, build anyway"
600 # Optimization and debugging options. These may be overridden by the release channel, etc.
601 opt_nosave optimize 1 "build optimized rust code"
602 opt_nosave optimize-cxx 1 "build optimized C++ code"
603 opt_nosave optimize-llvm 1 "build optimized LLVM"
604 opt_nosave llvm-assertions 0 "build LLVM with assertions"
605 opt_nosave debug-assertions 0 "build with debugging assertions"
606 opt_nosave debuginfo 0 "build with debugger metadata"
607 opt_nosave debug-jemalloc 0 "build jemalloc with --enable-debug --enable-fill"
609 valopt localstatedir "/var/lib" "local state directory"
610 valopt sysconfdir "/etc" "install system configuration files"
612 valopt datadir "${CFG_PREFIX}/share" "install data"
613 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
614 valopt llvm-root "" "set LLVM root"
615 valopt python "" "set path to python"
616 valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located"
617 valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
618 valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path (deprecated)"
619 valopt i686-linux-android-ndk "" "i686-linux-android NDK standalone path"
620 valopt arm-linux-androideabi-ndk "" "arm-linux-androideabi NDK standalone path"
621 valopt aarch64-linux-android-ndk "" "aarch64-linux-android NDK standalone path"
622 valopt nacl-cross-path "" "NaCl SDK path (Pepper Canary is recommended). Must be absolute!"
623 valopt release-channel "dev" "the name of the release channel to build"
624 valopt musl-root "/usr/local" "MUSL root installation directory"
625 valopt extra-filename "" "Additional data that is hashed and passed to the -C extra-filename flag"
627 # Used on systems where "cc" and "ar" are unavailable
628 valopt default-linker "cc" "the default linker"
629 valopt default-ar "ar" "the default ar"
631 # Many of these are saved below during the "writing configuration" step
632 # (others are conditionally saved).
633 opt_nosave manage-submodules 1 "let the build manage the git submodules"
634 opt_nosave clang 0 "prefer clang to gcc for building the runtime"
635 opt_nosave jemalloc 1 "build liballoc with jemalloc"
636 opt elf-tls 1 "elf thread local storage on platforms where supported"
638 valopt_nosave prefix "/usr/local" "set installation prefix"
639 valopt_nosave local-rust-root "/usr/local" "set prefix for local rust binary"
640 valopt_nosave host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
641 valopt_nosave target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
642 valopt_nosave mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
644 # Temporarily support old triples until buildbots get updated
645 CFG_BUILD=$(to_llvm_triple $CFG_BUILD)
646 putvar CFG_BUILD # Yes, this creates a duplicate entry, but the last one wins.
647 CFG_HOST=$(to_llvm_triple $CFG_HOST)
648 CFG_TARGET=$(to_llvm_triple $CFG_TARGET)
650 # On Windows this determines root of the subtree for target libraries.
651 # Host runtime libs always go to 'bin'.
652 valopt libdir "${CFG_PREFIX}/lib" "install libraries"
654 case "$CFG_LIBDIR" in
655 "$CFG_PREFIX"/*) CAT_INC=2;;
656 "$CFG_PREFIX"*) CAT_INC=1;;
658 err "libdir must begin with the prefix. Use --prefix to set it accordingly.";;
661 CFG_LIBDIR_RELATIVE=`echo ${CFG_LIBDIR} | cut -c$((${#CFG_PREFIX}+${CAT_INC}))-`
670 step_msg "validating $CFG_SELF args"
673 # Validate the release channel, and configure options
674 case "$CFG_RELEASE_CHANNEL" in
676 msg "overriding settings for $CFG_RELEASE_CHANNEL"
677 CFG_ENABLE_LLVM_ASSERTIONS=1
682 err "release channel must be 'dev', 'nightly', 'beta' or 'stable'"
686 # Adjust perf and debug options for debug mode
687 if [ -n "$CFG_ENABLE_DEBUG" ]; then
688 msg "debug mode enabled, setting performance options"
689 if [ -z "$CFG_ENABLE_OPTIMIZE_PROVIDED" ]; then
690 msg "optimization not explicitly enabled, disabling optimization"
691 CFG_DISABLE_OPTIMIZE=1
692 CFG_DISABLE_OPTIMIZE_CXX=1
695 # Set following variables to 1 unless setting already provided
696 enable_if_not_disabled debug-assertions
697 enable_if_not_disabled debug-jemalloc
698 enable_if_not_disabled debuginfo
699 enable_if_not_disabled llvm-assertions
702 # OK, now write the debugging options
703 if [ -n "$CFG_DISABLE_OPTIMIZE" ]; then putvar CFG_DISABLE_OPTIMIZE; fi
704 if [ -n "$CFG_DISABLE_OPTIMIZE_CXX" ]; then putvar CFG_DISABLE_OPTIMIZE_CXX; fi
705 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then putvar CFG_DISABLE_OPTIMIZE_LLVM; fi
706 if [ -n "$CFG_ENABLE_LLVM_ASSERTIONS" ]; then putvar CFG_ENABLE_LLVM_ASSERTIONS; fi
707 if [ -n "$CFG_ENABLE_DEBUG_ASSERTIONS" ]; then putvar CFG_ENABLE_DEBUG_ASSERTIONS; fi
708 if [ -n "$CFG_ENABLE_DEBUGINFO" ]; then putvar CFG_ENABLE_DEBUGINFO; fi
709 if [ -n "$CFG_ENABLE_DEBUG_JEMALLOC" ]; then putvar CFG_ENABLE_DEBUG_JEMALLOC; fi
711 # A magic value that allows the compiler to use unstable features
712 # during the bootstrap even when doing so would normally be an error
713 # because of feature staging or because the build turns on
714 # warnings-as-errors and unstable features default to warnings. The
715 # build has to match this key in an env var. Meant to be a mild
716 # deterrent from users just turning on unstable features on the stable
718 # Basing CFG_BOOTSTRAP_KEY on CFG_BOOTSTRAP_KEY lets it get picked up
719 # during a Makefile reconfig.
720 CFG_BOOTSTRAP_KEY="${CFG_BOOTSTRAP_KEY-`date +%H:%M:%S`}"
721 putvar CFG_BOOTSTRAP_KEY
723 step_msg "looking for build programs"
725 probe_need CFG_CURLORWGET curl wget
726 if [ -z "$CFG_PYTHON_PROVIDED" ]; then
727 probe_need CFG_PYTHON python2.7 python2.6 python2 python
730 python_version=$($CFG_PYTHON -V 2>&1)
731 if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then
732 err "Found $python_version, but LLVM requires Python 2.4-2.7"
735 # If we have no git directory then we are probably a tarball distribution
736 # and shouldn't attempt to load submodules
737 if [ ! -e ${CFG_SRC_DIR}.git ]
740 msg "git: no git directory. disabling submodules"
741 CFG_DISABLE_MANAGE_SUBMODULES=1
743 probe_need CFG_GIT git
746 # Use `md5sum` on GNU platforms, or `md5 -q` on BSD
748 probe CFG_MD5SUM md5sum
751 CFG_HASH_COMMAND="$CFG_MD5 -q | cut -c 1-8"
752 elif [ -n "$CFG_MD5SUM" ]
754 CFG_HASH_COMMAND="$CFG_MD5SUM | cut -c 1-8"
756 err 'could not find one of: md5 md5sum'
758 putvar CFG_HASH_COMMAND
760 probe CFG_CLANG clang++
761 probe CFG_CCACHE ccache
764 probe CFG_VALGRIND valgrind
767 probe CFG_ANTLR4 antlr4
770 probe CFG_BISON bison
774 # On MacOS X, invoking `javac` pops up a dialog if the JDK is not
775 # installed. Since `javac` is only used if `antlr4` is available,
776 # probe for it only in this case.
777 if [ -n "$CFG_ANTLR4" ]
779 probe CFG_JAVAC javac
782 # the valgrind rpass tests will fail if you don't have a valgrind, but they're
783 # only disabled if you opt out.
784 if [ -z "$CFG_VALGRIND" ]
786 # If the user has explicitly asked for valgrind tests, then fail
787 if [ -n "$CFG_ENABLE_VALGRIND" ] && [ -n "$CFG_ENABLE_VALGRIND_PROVIDED" ]
789 err "No valgrind present, but valgrind tests explicitly requested"
791 CFG_DISABLE_VALGRIND_RPASS=1
792 putvar CFG_DISABLE_VALGRIND_RPASS
798 # Store GDB's version
799 CFG_GDB_VERSION=$($CFG_GDB --version 2>/dev/null | head -1)
800 putvar CFG_GDB_VERSION
803 if [ -n "$CFG_LLDB" ]
805 # Store LLDB's version
806 CFG_LLDB_VERSION=$($CFG_LLDB --version 2>/dev/null | head -1)
807 putvar CFG_LLDB_VERSION
809 # If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
810 # LLDB via the -P commandline options.
811 if [ -z "$CFG_LLDB_PYTHON_DIR" ] || [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
813 CFG_LLDB_PYTHON_DIR=$($CFG_LLDB -P)
815 # If CFG_LLDB_PYTHON_DIR is not a valid directory, set it to something more readable
816 if [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
818 CFG_LLDB_PYTHON_DIR="LLDB_PYTHON_DIRECTORY_NOT_FOUND"
821 putvar CFG_LLDB_PYTHON_DIR
825 step_msg "looking for target specific programs"
830 if [ "$CFG_OSTYPE" = "pc-windows-gnu" ] || [ "$CFG_OSTYPE" = "pc-windows-msvc" ]
835 if [ -n "$CFG_ENABLE_LOCAL_RUST" ]
837 system_rustc=$(which rustc)
838 if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
840 : # everything already configured
841 elif [ -n "$system_rustc" ]
843 # we assume that rustc is in a /bin directory
844 CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc}
846 err "no local rust to use"
849 CMD="${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF}"
853 step_msg "failure while running $CMD --version"
856 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
857 putvar CFG_LOCAL_RUST_ROOT
860 # Force bitrig to build with clang; gcc doesn't like us there
861 if [ $CFG_OSTYPE = unknown-bitrig ]
863 step_msg "on Bitrig, forcing use of clang, disabling jemalloc"
865 CFG_DISABLE_JEMALLOC=1
868 # default gcc version under OpenBSD maybe too old, try using egcc, which is a
869 # gcc version from ports
870 if [ $CFG_OSTYPE = unknown-openbsd ]
872 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
873 step_msg "older GCC found, try with egcc instead"
875 # probe again but using egcc
878 # and use egcc/eg++ for CC/CXX too if it was found
879 # (but user setting has priority)
880 if [ -n "$CFG_GCC" ]; then
886 step_msg "on OpenBSD, disabling jemalloc"
887 CFG_DISABLE_JEMALLOC=1
890 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
891 # system, so if we find that gcc is clang, we should just use clang directly.
892 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
894 CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version")
897 step_msg "on OS X >=10.9, forcing use of clang"
900 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
901 step_msg "older GCC found, using clang instead"
904 # on OS X, with xcode 5 and newer, certain developers may have
905 # cc, gcc and g++ point to a mixture of clang and gcc
906 # if so, this will create very strange build errors
907 # this last stanza is to detect some such problems and save the future rust
908 # contributor some time solving that issue.
909 # this detection could be generalized to other OSes aside from OS X
910 # but the issue seems most likely to happen on OS X
913 $1 --version 2> /dev/null | grep -q $2
915 # check that gcc, cc and g++ all point to the same compiler.
916 # note that for xcode 5, g++ points to clang, not clang++
917 if !((chk_cc gcc clang && chk_cc g++ clang) ||
918 (chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))); then
919 err "the gcc and g++ in your path point to different compilers.
920 Check which versions are in your path with gcc --version and g++ --version.
921 To resolve this problem, either fix your PATH or run configure with --enable-clang"
928 # If the clang isn't already enabled, check for GCC, and if it is missing, turn
929 # on clang as a backup.
930 if [ -z "$CFG_ENABLE_CLANG" ]
932 CFG_GCC_VERSION=$("$CFG_GCC" --version 2>&1)
935 step_msg "GCC not installed, will try using Clang"
940 # Okay, at this point, we have made up our minds about whether we are
941 # going to force CFG_ENABLE_CLANG or not; save the setting if so.
942 if [ -n "$CFG_ENABLE_CLANG" ]
944 putvar CFG_ENABLE_CLANG
947 if [ -z "$CFG_DISABLE_LIBCPP" -a -n "$CFG_ENABLE_CLANG" ]
954 # Same with jemalloc. save the setting here.
955 if [ -n "$CFG_DISABLE_JEMALLOC" ]
957 putvar CFG_DISABLE_JEMALLOC
960 if [ -n "$CFG_LLVM_ROOT" -a -z "$CFG_DISABLE_LLVM_VERSION_CHECK" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
962 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
964 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
965 LLVM_VERSION=$($LLVM_CONFIG --version)
967 case $LLVM_VERSION in
969 msg "found ok version of LLVM: $LLVM_VERSION"
972 err "bad LLVM version: $LLVM_VERSION, need >=3.5"
977 # Even when the user overrides the choice of CC, still try to detect
978 # clang to disable some clang-specific warnings. We here draw a
979 # distinction between:
981 # CFG_ENABLE_CLANG : passed --enable-clang, or host "requires" clang,
982 # CFG_USING_CLANG : compiler (clang / gcc / $CC) looks like clang.
984 # This distinction is important because there are some safeguards we
985 # would prefer to skip when merely CFG_USING_CLANG is set; but when
986 # CFG_ENABLE_CLANG is set, that indicates that we are opting into
987 # running such safeguards.
991 msg "skipping compiler inference steps; using provided CC=$CC"
994 CFG_OSX_CC_VERSION=$("$CFG_CC" --version 2>&1 | grep "clang")
997 step_msg "note, user-provided CC looks like clang; CC=$CC."
999 putvar CFG_USING_CLANG
1002 if [ -n "$CFG_ENABLE_CLANG" ]
1004 if [ -z "$CFG_CLANG" ]
1006 err "clang requested but not found"
1010 putvar CFG_USING_CLANG
1016 if [ -n "$CFG_ENABLE_CLANG" ]
1020 CFG_CLANG_REPORTED_VERSION=$($CFG_CC --version | grep version)
1022 if echo $CFG_CLANG_REPORTED_VERSION | grep -q "(based on LLVM "; then
1023 CFG_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*(based on LLVM \(.*\))/\1/')
1024 elif echo $CFG_CLANG_REPORTED_VERSION | grep -q "Apple LLVM"; then
1025 CFG_OSX_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*version \(.*\) .*/\1/')
1027 CFG_CLANG_VERSION=$(echo $CFG_CLANG_REPORTED_VERSION | sed 's/.*version \(.*\) .*/\1/')
1030 if [ -n "$CFG_OSX_CLANG_VERSION" ]
1032 case $CFG_OSX_CLANG_VERSION in
1034 step_msg "found ok version of APPLE CLANG: $CFG_OSX_CLANG_VERSION"
1037 err "bad APPLE CLANG version: $CFG_OSX_CLANG_VERSION, need >=7.0"
1041 case $CFG_CLANG_VERSION in
1042 (3.2* | 3.3* | 3.4* | 3.5* | 3.6* | 3.7* | 3.8*)
1043 step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
1046 err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
1059 if [ -n "$CFG_ENABLE_CCACHE" ]
1061 if [ -z "$CFG_CCACHE" ]
1063 err "ccache requested but not found"
1066 CFG_CC="ccache $CFG_CC"
1069 if [ -z "$CC" -a -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
1071 err "either clang or gcc is required"
1074 # All safeguards based on $CFG_ENABLE_CLANG should occur before this
1075 # point in the script; after this point, script logic should inspect
1076 # $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG.
1078 # Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS,LDFLAGS}
1086 # stdc++ name in use
1087 # used to manage non-standard name (on OpenBSD for example)
1088 program_transform_name=$($CFG_CC -v 2>&1 | sed -n "s/.*--program-transform-name='\([^']*\)'.*/\1/p")
1089 CFG_STDCPP_NAME=$(echo "stdc++" | sed "${program_transform_name}")
1090 putvar CFG_STDCPP_NAME
1092 # a little post-processing of various config values
1093 CFG_PREFIX=${CFG_PREFIX%/}
1094 CFG_MANDIR=${CFG_MANDIR%/}
1095 CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
1096 CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
1097 CFG_SUPPORTED_TARGET=""
1098 for target_file in ${CFG_SRC_DIR}mk/cfg/*.mk; do
1099 CFG_SUPPORTED_TARGET="${CFG_SUPPORTED_TARGET} $(basename "$target_file" .mk)"
1102 # copy build-triples to host-triples so that builds are a subset of hosts
1104 for i in $CFG_BUILD $CFG_HOST;
1106 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
1110 # copy host-triples to target-triples so that hosts are a subset of targets
1112 for i in $CFG_HOST $CFG_TARGET;
1114 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
1118 # check target-specific tool-chains
1119 for i in $CFG_TARGET
1122 for j in $CFG_SUPPORTED_TARGET
1130 if [ $L_CHECK = false ]
1132 err "unsupported target triples \"$i\" found"
1137 upper_snake_target=$(echo "$i" | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
1138 eval ndk=\$"CFG_${upper_snake_target}_NDK"
1141 ndk=$CFG_ANDROID_CROSS_PATH
1142 eval "CFG_${upper_snake_target}_NDK"=$CFG_ANDROID_CROSS_PATH
1143 warn "generic/default Android NDK option is deprecated (use --$i-ndk option instead)"
1146 # Perform a basic sanity check of the NDK
1147 for android_ndk_tool in "$ndk/bin/$i-gcc" "$ndk/bin/$i-g++" "$ndk/bin/$i-ar"
1149 if [ ! -f $android_ndk_tool ]
1151 err "NDK tool $android_ndk_tool not found (bad or missing --$i-ndk option?)"
1156 if [ -z "$CFG_NACL_CROSS_PATH" ]
1158 err "I need the NaCl SDK path! (use --nacl-cross-path)"
1162 if [ $CFG_OSTYPE != apple-darwin ]
1164 err "The iOS target is only supported on Mac OS X"
1170 if [ ! -f $CFG_MUSL_ROOT/lib/libc.a ]
1172 err "musl libc $CFG_MUSL_ROOT/lib/libc.a not found"
1177 # Currently the build system is not configured to build jemalloc
1178 # with MSVC, so we omit this optional dependency.
1179 step_msg "targeting MSVC, disabling jemalloc"
1180 CFG_DISABLE_JEMALLOC=1
1181 putvar CFG_DISABLE_JEMALLOC
1183 # There are some MSYS python builds which will auto-translate
1184 # windows-style paths to MSYS-style paths in Python itself.
1185 # Unfortunately this breaks LLVM's build system as somewhere along
1186 # the line LLVM prints a path into a file from Python and then CMake
1187 # later tries to interpret that path. If Python prints a MSYS path
1188 # and CMake tries to use it as a Windows path, you're gonna have a
1191 # Consequently here we try to detect when that happens and print an
1193 if $CFG_PYTHON -c 'import sys; print sys.argv[1]' `pwd` | grep '^/' > /dev/null
1197 python is silently translating windows paths to MSYS paths \
1198 and the build will fail if this python is used.
1200 Either an official python install must be used or an \
1201 alternative python package in MinGW must be used.
1203 If you are building under msys2 try installing the mingw-w64-x86_64-python2 \
1204 package instead of python2:
1206 $ pacman -R python2 && pacman -S mingw-w64-x86_64-python2
1210 # MSVC requires cmake because that's how we're going to build LLVM
1211 probe_need CFG_CMAKE cmake
1213 # There are three builds of cmake on windows: MSVC, MinGW and Cygwin
1214 # The Cygwin build does not have generators for Visual Studio, so
1215 # detect that here and error.
1216 if ! "$CFG_CMAKE" --help | sed -n '/^Generators/,$p' | grep 'Visual Studio' > /dev/null
1220 cmake does not support Visual Studio generators.
1222 This is likely due to it being an msys/cygwin build of cmake, \
1223 rather than the required windows version, built using MinGW \
1226 If you are building under msys2 try installing the mingw-w64-x86_64-cmake \
1227 package instead of cmake:
1229 $ pacman -R cmake && pacman -S mingw-w64-x86_64-cmake
1233 # Use the REG program to figure out where VS is installed
1234 # We need to figure out where cl.exe and link.exe are, so we do some
1235 # munging and some probing here. We also look for the default
1236 # INCLUDE and LIB variables for MSVC so we can set those in the
1237 # build system as well.
1238 install=$(cmd //c reg QUERY \
1239 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\14.0' \
1241 if [ -z "$install" ]; then
1242 install=$(cmd //c reg QUERY \
1243 'HKLM\SOFTWARE\Wow6432Node\Microsoft\VisualStudio\12.0' \
1246 need_ok "couldn't find visual studio install root"
1247 CFG_MSVC_ROOT=$(echo "$install" | grep InstallDir | sed 's/.*REG_SZ[ ]*//')
1248 CFG_MSVC_ROOT=$(dirname "$CFG_MSVC_ROOT")
1249 CFG_MSVC_ROOT=$(dirname "$CFG_MSVC_ROOT")
1250 putvar CFG_MSVC_ROOT
1262 err "can only target x86 targets for MSVC"
1265 bindir="${CFG_MSVC_ROOT}/VC/bin"
1266 if [ -n "$msvc_part" ]; then
1267 bindir="$bindir/$msvc_part"
1269 eval CFG_MSVC_BINDIR_$bits="\"$bindir\""
1270 eval CFG_MSVC_CL_$bits="\"$bindir/cl.exe\""
1271 eval CFG_MSVC_LIB_$bits="\"$bindir/lib.exe\""
1272 eval CFG_MSVC_LINK_$bits="\"$bindir/link.exe\""
1274 vcvarsall="${CFG_MSVC_ROOT}/VC/vcvarsall.bat"
1275 include_path=$(cmd //V:ON //c "$vcvarsall" $msvc_part \& echo !INCLUDE!)
1276 need_ok "failed to learn about MSVC's INCLUDE"
1277 lib_path=$(cmd //V:ON //c "$vcvarsall" $msvc_part \& echo !LIB!)
1278 need_ok "failed to learn about MSVC's LIB"
1280 eval CFG_MSVC_INCLUDE_PATH_${bits}="\"$include_path\""
1281 eval CFG_MSVC_LIB_PATH_${bits}="\"$lib_path\""
1283 putvar CFG_MSVC_BINDIR_${bits}
1284 putvar CFG_MSVC_CL_${bits}
1285 putvar CFG_MSVC_LIB_${bits}
1286 putvar CFG_MSVC_LINK_${bits}
1287 putvar CFG_MSVC_INCLUDE_PATH_${bits}
1288 putvar CFG_MSVC_LIB_PATH_${bits}
1292 step_msg "targeting rumprun-netbsd, disabling jemalloc"
1293 CFG_DISABLE_JEMALLOC=1
1294 putvar CFG_DISABLE_JEMALLOC
1302 if [ -n "$CFG_PERF" ]
1304 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
1305 if [ -z "$HAVE_PERF_LOGFD" ];
1307 CFG_PERF_WITH_LOGFD=1
1308 putvar CFG_PERF_WITH_LOGFD
1312 step_msg "making directories"
1315 doc doc/std doc/extra \
1328 make_dir $t/rustllvm
1331 for t in $CFG_TARGET
1336 make_dir $t/rt/stage$s
1337 make_dir $t/rt/jemalloc
1338 make_dir $t/rt/compiler-rt
1341 arch/i386 arch/x86_64 arch/arm arch/aarch64 arch/mips arch/powerpc
1343 make_dir $t/rt/stage$s/$i
1350 for t in $CFG_TARGET
1352 # host lib dir stage0
1353 make_dir $h/stage0/lib
1355 # target bin dir stage0
1356 make_dir $h/stage0/lib/rustlib/$t/bin
1358 # target lib dir stage0
1359 make_dir $h/stage0/lib/rustlib/$t/lib
1364 make_dir $h/stage$i/bin
1367 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE
1370 make_dir $h/stage$i/test
1373 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin
1376 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib
1380 make_dir $h/test/run-pass
1381 make_dir $h/test/run-pass-valgrind
1382 make_dir $h/test/run-pass-fulldeps
1383 make_dir $h/test/run-fail
1384 make_dir $h/test/run-fail-fulldeps
1385 make_dir $h/test/compile-fail
1386 make_dir $h/test/parse-fail
1387 make_dir $h/test/compile-fail-fulldeps
1388 make_dir $h/test/bench
1389 make_dir $h/test/perf
1390 make_dir $h/test/pretty
1391 make_dir $h/test/debuginfo-gdb
1392 make_dir $h/test/debuginfo-lldb
1393 make_dir $h/test/codegen
1394 make_dir $h/test/rustdoc
1397 # Configure submodules
1398 step_msg "configuring submodules"
1400 # Have to be in the top of src directory for this
1401 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ]
1405 msg "git: submodule sync"
1406 "${CFG_GIT}" submodule sync
1408 msg "git: submodule init"
1409 "${CFG_GIT}" submodule init
1411 # Disable submodules that we're not using
1412 if [ -n "${CFG_LLVM_ROOT}" ]; then
1413 msg "git: submodule deinit src/llvm"
1414 "${CFG_GIT}" submodule deinit src/llvm
1416 if [ -n "${CFG_JEMALLOC_ROOT}" ]; then
1417 msg "git: submodule deinit src/jemalloc"
1418 "${CFG_GIT}" submodule deinit src/jemalloc
1421 msg "git: submodule update"
1422 "${CFG_GIT}" submodule update
1423 need_ok "git failed"
1425 msg "git: submodule foreach sync"
1426 "${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
1427 need_ok "git failed"
1429 msg "git: submodule foreach update"
1430 "${CFG_GIT}" submodule update --recursive
1431 need_ok "git failed"
1433 # NB: this is just for the sake of getting the submodule SHA1 values
1434 # and status written into the build log.
1435 msg "git: submodule status"
1436 "${CFG_GIT}" submodule status --recursive
1438 msg "git: submodule clobber"
1439 "${CFG_GIT}" submodule foreach --recursive git clean -dxf
1440 need_ok "git failed"
1441 "${CFG_GIT}" submodule foreach --recursive git checkout .
1442 need_ok "git failed"
1447 # Configure llvm, only if necessary
1448 step_msg "looking at LLVM"
1449 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
1460 if [ -z $CFG_LLVM_ROOT ]
1462 LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm
1463 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]
1465 LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
1466 # Just use LLVM straight from its build directory to
1467 # avoid 'make install' time
1468 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
1470 LLVM_DBG_OPTS="--enable-optimized"
1471 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
1473 if [ -z "$CFG_ENABLE_LLVM_ASSERTIONS" ]
1475 LLVM_ASSERTION_OPTS="--disable-assertions"
1477 LLVM_ASSERTION_OPTS="--enable-assertions"
1479 # Apparently even if we request assertions be enabled for MSVC,
1480 # LLVM's CMake build system ignore this and outputs in `Release`
1482 if [ ${is_msvc} -eq 0 ]; then
1483 LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts
1487 msg "not reconfiguring LLVM, external LLVM root"
1488 # The user is using their own LLVM
1490 LLVM_INST_DIR=$CFG_LLVM_ROOT
1492 # Check that LLVm FileCheck is available. Needed for the tests
1493 need_cmd $LLVM_INST_DIR/bin/FileCheck
1496 if [ ${do_reconfigure} -ne 0 ]
1498 # because git is hilarious, it might have put the module index
1499 # in a couple places.
1500 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
1501 index2="${CFG_SRC_DIR}src/llvm/.git/index"
1502 for index in ${index1} ${index2}
1504 config_status="${LLVM_BUILD_DIR}/config.status"
1505 if test -e ${index} -a \
1506 -e ${config_status} -a \
1507 ${config_status} -nt ${index}
1509 msg "not reconfiguring LLVM, config.status is fresh"
1515 # We need the generator later on for compiler-rt even if LLVM's not built
1516 if [ ${is_msvc} -ne 0 ]
1518 case "$CFG_MSVC_ROOT" in
1520 generator="Visual Studio 14 2015"
1523 generator="Visual Studio 12 2013"
1526 err "can't determine generator for LLVM cmake"
1531 generator="$generator Win64"
1536 err "can only build LLVM for x86 platforms"
1539 CFG_CMAKE_GENERATOR=$generator
1540 putvar CFG_CMAKE_GENERATOR
1543 if [ ${do_reconfigure} -ne 0 ] && [ ${is_msvc} -ne 0 ]
1545 msg "configuring LLVM for $t with cmake"
1547 CMAKE_ARGS="-DLLVM_INCLUDE_TESTS=OFF"
1548 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then
1549 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Debug"
1551 CMAKE_ARGS="$CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release"
1553 if [ -z "$CFG_ENABLE_LLVM_ASSERTIONS" ]
1555 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=OFF"
1557 CMAKE_ARGS="$CMAKE_ARGS -DLLVM_ENABLE_ASSERTIONS=ON"
1560 msg "configuring LLVM with:"
1563 (cd $LLVM_BUILD_DIR && "$CFG_CMAKE" $CFG_LLVM_SRC_DIR \
1564 -G "$CFG_CMAKE_GENERATOR" \
1566 need_ok "LLVM cmake configure failed"
1569 if [ ${do_reconfigure} -ne 0 ] && [ ${is_msvc} -eq 0 ]
1571 # LLVM's configure doesn't recognize the new Windows triples yet
1572 gnu_t=$(to_gnu_triple $t)
1574 msg "configuring LLVM for $gnu_t"
1576 LLVM_TARGETS="--enable-targets=x86,x86_64,arm,aarch64,mips,powerpc"
1577 LLVM_BUILD="--build=$gnu_t"
1578 LLVM_HOST="--host=$gnu_t"
1579 LLVM_TARGET="--target=$gnu_t"
1581 # Disable unused LLVM features
1582 LLVM_OPTS="$LLVM_DBG_OPTS $LLVM_ASSERTION_OPTS --disable-docs --enable-bindings=none"
1583 # Disable term-info, linkage of which comes in multiple forms,
1584 # making our snapshots incompatible (#9334)
1585 LLVM_OPTS="$LLVM_OPTS --disable-terminfo"
1586 # Try to have LLVM pull in as few dependencies as possible (#9397)
1587 LLVM_OPTS="$LLVM_OPTS --disable-zlib --disable-libffi"
1589 # Use win32 native thread/lock apis instead of pthread wrapper.
1590 # (llvm's configure tries to find pthread first, so we have to disable it explicitly.)
1591 # Also note that pthreads works badly on mingw-w64 systems: #8996
1592 case "$CFG_BUILD" in
1594 LLVM_OPTS="$LLVM_OPTS --disable-pthreads"
1600 LLVM_CXX_32="ccache clang++ -Qunused-arguments"
1601 LLVM_CC_32="ccache clang -Qunused-arguments"
1603 LLVM_CXX_64="ccache clang++ -Qunused-arguments"
1604 LLVM_CC_64="ccache clang -Qunused-arguments"
1607 LLVM_CXX_32="clang++ -Qunused-arguments"
1608 LLVM_CC_32="clang -Qunused-arguments"
1610 LLVM_CXX_64="clang++ -Qunused-arguments"
1611 LLVM_CC_64="clang -Qunused-arguments"
1614 LLVM_CXX_32="ccache g++"
1615 LLVM_CC_32="ccache gcc"
1617 LLVM_CXX_64="ccache g++"
1618 LLVM_CC_64="ccache gcc"
1629 msg "inferring LLVM_CXX/CC from CXX/CC = $CXX/$CC"
1630 if [ -n "$CFG_ENABLE_CCACHE" ]
1632 if [ -z "$CFG_CCACHE" ]
1634 err "ccache requested but not found"
1637 LLVM_CXX_32="ccache $CXX"
1638 LLVM_CC_32="ccache $CC"
1640 LLVM_CXX_64="ccache $CXX"
1641 LLVM_CC_64="ccache $CC"
1653 case "$CFG_CPUTYPE" in
1655 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1656 LLVM_CC_32="$LLVM_CC_32 -m32"
1658 LLVM_CFLAGS_32="-m32"
1659 LLVM_CXXFLAGS_32="-m32"
1660 LLVM_LDFLAGS_32="-m32"
1666 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1667 LLVM_CC_32="$LLVM_CC_32 -m32"
1681 if echo $t | grep -q x86_64
1683 LLVM_CXX=$LLVM_CXX_64
1685 LLVM_CFLAGS=$LLVM_CFLAGS_64
1686 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
1687 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
1689 LLVM_CXX=$LLVM_CXX_32
1691 LLVM_CFLAGS=$LLVM_CFLAGS_32
1692 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
1693 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
1698 CFLAGS="$CFLAGS $LLVM_CFLAGS"
1699 CXXFLAGS="$CXXFLAGS $LLVM_CXXFLAGS"
1700 LDFLAGS="$LDFLAGS $LLVM_LDFLAGS"
1702 if [ "$CFG_USING_LIBCPP" != "0" ]; then
1703 LLVM_OPTS="$LLVM_OPTS --enable-libcpp"
1706 LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
1707 $LLVM_HOST $LLVM_TARGET --with-python=$CFG_PYTHON"
1709 msg "configuring LLVM with:"
1719 case $CFG_SRC_DIR in
1720 /* | [a-z]:* | [A-Z]:*)
1721 ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
1724 ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
1728 need_ok "LLVM configure failed"
1733 # Construct variables for LLVM build and install directories for
1734 # each target. These will be named
1735 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
1736 # target_triple will be converted to underscore, because bash
1737 # variables can't contain hyphens. The makefile will then have to
1739 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1740 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1741 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
1742 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
1746 step_msg "writing configuration"
1749 putvar CFG_SRC_DIR_RELATIVE
1750 putvar CFG_BUILD_DIR
1753 putvar CFG_CONFIGURE_ARGS
1757 putvar CFG_LIBDIR_RELATIVE
1758 putvar CFG_DISABLE_MANAGE_SUBMODULES
1759 putvar CFG_AARCH64_LINUX_ANDROID_NDK
1760 putvar CFG_ARM_LINUX_ANDROIDEABI_NDK
1761 putvar CFG_I686_LINUX_ANDROID_NDK
1762 putvar CFG_NACL_CROSS_PATH
1764 putvar CFG_USING_LIBCPP
1766 # Avoid spurious warnings from clang by feeding it original source on
1767 # ccache-miss rather than preprocessed input.
1768 if [ -n "$CFG_ENABLE_CCACHE" ] && [ -n "$CFG_USING_CLANG" ]
1771 putvar CFG_CCACHE_CPP2
1774 if [ -n "$CFG_ENABLE_CCACHE" ]
1776 CFG_CCACHE_BASEDIR=${CFG_SRC_DIR}
1777 putvar CFG_CCACHE_BASEDIR
1781 putvar CFG_LLVM_SRC_DIR
1785 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1786 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1787 putvar $CFG_LLVM_BUILD_DIR
1788 putvar $CFG_LLVM_INST_DIR
1792 copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile
1793 move_if_changed config.tmp config.mk
1797 if [ -z "$CFG_ENABLE_DEBUG" ]; then
1798 step_msg "configured in release mode. for development consider --enable-debug"
1803 msg "run \`make help\`"