14 echo "configure: WARNING: $1"
18 echo "configure: error: $1"
30 if command -v $1 >/dev/null 2>&1
47 msg "leaving $2 unchanged"
51 chmod u-w $2 # make copied artifact read-only
58 msg "leaving $2 unchanged"
62 chmod u-w $2 # make moved artifact read-only
72 printf "configure: %-20s := %.35s ...\n" $1 "$T"
74 printf "configure: %-20s := %s %s\n" $1 "$T" "$2"
76 printf "%-20s := %s\n" $1 "$T" >>config.tmp
86 T=$(command -v $P 2>&1)
89 VER0=$($P --version 2>/dev/null | head -1 \
90 | sed -e 's/[^0-9]*\([vV]\?[0-9.]\+[^ ]*\).*/\1/' )
91 if [ $? -eq 0 -a "x${VER0}" != "x" ]
113 err "needed, but unable to find any of: $*"
118 for arg in $CFG_CONFIGURE_ARGS
121 for option in $BOOL_OPTIONS
123 if test --disable-$option = $arg
127 if test --enable-$option = $arg
132 for option in $VAL_OPTIONS
134 if echo "$arg" | grep -q -- "--$option="
139 if [ "$arg" = "--help" ]
142 echo "No more help available for Configure options,"
143 echo "check the Wiki or join our IRC channel"
146 if test $isArgValid -eq 0
148 err "Option '$arg' is not recognized"
155 VAL_OPTIONS="$VAL_OPTIONS $1"
164 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
167 for arg in $CFG_CONFIGURE_ARGS
169 if echo "$arg" | grep -q -- "--$OP="
171 val=$(echo "$arg" | cut -f2 -d=)
181 OP="${OP}=[${DEFAULT}]"
182 printf " --%-30s %s\n" "$OP" "$DOC"
187 BOOL_OPTIONS="$BOOL_OPTIONS $1"
196 if [ $DEFAULT -eq 0 ]
206 for arg in $CFG_CONFIGURE_ARGS
208 if [ "$arg" = "--${FLAG}-${OP}" ]
210 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
211 FLAG=$(echo $FLAG | tr 'a-z' 'A-Z')
212 local V="CFG_${FLAG}_${OP}"
222 printf " --%-30s %s\n" "$FLAG-$OP" "$DOC"
228 local V="CFG_${NAME}"
231 # If configure didn't set a value already, then check environment.
233 # (It is recommended that the configure script always check the
234 # environment before setting any values to envopt variables; see
235 # e.g. how CFG_CC is handled, where it first checks `-z "$CC"`,
236 # and issues msg if it ends up employing that provided value.)
243 # If script or environment provided a value, save it.
250 msg "looking for configure programs"
266 msg "inspecting environment"
268 CFG_OSTYPE=$(uname -s)
269 CFG_CPUTYPE=$(uname -m)
271 if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
273 # Darwin's `uname -s` lies and always returns i386. We have to use sysctl
275 if sysctl hw.optional.x86_64 | grep -q ': 1'
281 # The goal here is to come up with the same triple as LLVM would,
282 # at least for the subset of platforms we're willing to target.
287 CFG_OSTYPE=unknown-linux-gnu
291 CFG_OSTYPE=unknown-freebsd
295 CFG_OSTYPE=apple-darwin
299 CFG_OSTYPE=pc-mingw32
303 # msys2, MSYSTEM=MINGW64
304 CFG_OSTYPE=w64-mingw32
307 # Thad's Cygwin identifers below
311 CFG_OSTYPE=pc-mingw32
317 CFG_OSTYPE=w64-mingw32
323 CFG_OSTYPE=pc-mingw32
329 CFG_OSTYPE=w64-mingw32
333 # We do not detect other OS such as XP/2003 using 64 bit using uname.
334 # 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.
336 err "unknown OS type: $CFG_OSTYPE"
343 i386 | i486 | i686 | i786 | x86)
353 CFG_OSTYPE="${CFG_OSTYPE}eabihf"
356 x86_64 | x86-64 | x64 | amd64)
361 err "unknown CPU type: $CFG_CPUTYPE"
364 # Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
365 if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
367 file -L "$SHELL" | grep -q "x86[_-]64"
374 DEFAULT_BUILD="${CFG_CPUTYPE}-${CFG_OSTYPE}"
376 CFG_SRC_DIR="$(cd $(dirname $0) && pwd)/"
377 CFG_BUILD_DIR="$(pwd)/"
379 CFG_CONFIGURE_ARGS="$@"
383 if [ "$1" = "--help" ]
388 echo "Usage: $CFG_SELF [options]"
393 msg "recreating config.tmp"
396 step_msg "processing $CFG_SELF args"
402 opt valgrind 0 "run tests with valgrind (memcheck by default)"
403 opt helgrind 0 "run tests with helgrind instead of memcheck"
404 opt docs 1 "build documentation"
405 opt optimize 1 "build optimized rust code"
406 opt optimize-cxx 1 "build optimized C++ code"
407 opt optimize-llvm 1 "build optimized LLVM"
408 opt optimize-tests 1 "build tests with optimizations"
409 opt libcpp 1 "build with llvm with libc++ instead of libstdc++ when using clang"
410 opt llvm-assertions 1 "build LLVM with assertions"
411 opt debug 1 "build with extra debug fun"
412 opt ratchet-bench 0 "ratchet benchmarks"
413 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
414 opt manage-submodules 1 "let the build manage the git submodules"
415 opt mingw-cross 0 "cross-compile for win32 using mingw"
416 opt clang 0 "prefer clang to gcc for building the runtime"
417 opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
418 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
419 opt pax-flags 0 "apply PaX flags to rustc binaries (required for GRSecurity/PaX-patched kernels)"
420 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
421 opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
422 opt rpath 1 "build rpaths into rustc itself"
423 opt nightly 0 "build nightly packages"
424 opt verify-install 1 "verify installed binaries work"
425 valopt prefix "/usr/local" "set installation prefix"
426 valopt local-rust-root "/usr/local" "set prefix for local rust binary"
427 valopt llvm-root "" "set LLVM root"
428 valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path"
429 valopt mingw32-cross-path "" "MinGW32 cross compiler path"
431 valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
432 valopt host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
433 valopt target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
435 valopt localstatedir "/var/lib" "local state directory"
436 valopt sysconfdir "/etc" "install system configuration files"
438 valopt datadir "${CFG_PREFIX}/share" "install data"
439 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
440 valopt mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
442 # On windows we just store the libraries in the bin directory because
443 # there's no rpath. This is where the build system itself puts libraries;
444 # --libdir is used to configure the installation directory.
445 # FIXME: Thise needs to parameterized over target triples. Do it in platform.mk
446 CFG_LIBDIR_RELATIVE=lib
447 if [ "$CFG_OSTYPE" = "pc-mingw32" ] || [ "$CFG_OSTYPE" = "w64-mingw32" ]
449 CFG_LIBDIR_RELATIVE=bin
452 valopt libdir "${CFG_PREFIX}/${CFG_LIBDIR_RELATIVE}" "install libraries"
461 step_msg "validating $CFG_SELF args"
464 step_msg "looking for build programs"
466 probe_need CFG_PERL perl
467 probe_need CFG_CURLORWGET curl wget
468 probe_need CFG_PYTHON python2.7 python2.6 python2 python
470 python_version=$($CFG_PYTHON -V 2>&1)
471 if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then
472 err "Found $python_version, but LLVM requires Python 2.4-2.7"
475 # If we have no git directory then we are probably a tarball distribution
476 # and shouldn't attempt to load submodules
477 if [ ! -e ${CFG_SRC_DIR}.git ]
480 msg "git: no git directory. disabling submodules"
481 CFG_DISABLE_MANAGE_SUBMODULES=1
483 probe_need CFG_GIT git
486 probe CFG_CLANG clang++
487 probe CFG_CCACHE ccache
490 probe CFG_VALGRIND valgrind
493 probe CFG_LLNEXTGEN LLnextgen
494 probe CFG_PANDOC pandoc
495 probe CFG_PDFLATEX pdflatex
496 probe CFG_XELATEX xelatex
497 probe CFG_LUALATEX lualatex
501 if [ ! -z "$CFG_LLDB" ]
503 # If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
504 # LLDB via the -P commandline options.
505 if [ -z "$CFG_LLDB_PYTHON_DIR" ] || [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
507 CFG_LLDB_PYTHON_DIR=$($CFG_LLDB -P)
509 # If CFG_LLDB_PYTHON_DIR is not a valid directory, set it to something more readable
510 if [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
512 CFG_LLDB_PYTHON_DIR="LLDB_PYTHON_DIRECTORY_NOT_FOUND"
515 putvar CFG_LLDB_PYTHON_DIR
519 if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ]
521 probe CFG_PAXCTL paxctl /sbin/paxctl
525 step_msg "looking for target specific programs"
529 if [ ! -z "$CFG_PANDOC" ]
531 PV_MAJOR_MINOR=$(pandoc --version | grep '^pandoc ' |
532 # extract the first 2 version fields, ignore everything else
533 sed 's/pandoc \([0-9]*\)\.\([0-9]*\).*/\1 \2/')
537 # these patterns are shell globs, *not* regexps
538 PV_MAJOR=${PV_MAJOR_MINOR% *}
539 PV_MINOR=${PV_MAJOR_MINOR#* }
540 if [ "$PV_MAJOR" -lt "$MIN_PV_MAJOR" ] || [ "$PV_MINOR" -lt "$MIN_PV_MINOR" ]
542 step_msg "pandoc $PV_MAJOR.$PV_MINOR is too old. Need at least $MIN_PV_MAJOR.$MIN_PV_MINOR. Disabling"
547 if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ]
549 if [ ! -z "$CFG_ENABLE_PAX_FLAGS" -a -z "$CFG_PAXCTL" ]
551 err "enabled PaX markings but no paxctl binary found"
554 if [ -z "$CFG_DISABLE_PAX_FLAGS" ]
556 # GRSecurity/PaX detection. This can be very flaky.
559 # /dev/grsec only exists if CONFIG_GRKERNSEC_NO_RBAC is not set.
560 # /proc/sys/kernel/grsecurity is not available if ÇONFIG_GRKERNSEC_SYSCTL is not set.
561 if [ -e /dev/grsec -o -d /proc/sys/kernel/grsecurity ]
564 # /proc/config.gz is normally only available to root, and only if CONFIG_IKCONFIG_PROC has been set.
565 elif [ -r /proc/config.gz -a ! -z "$CFG_ZCAT" ]
567 if "$CFG_ZCAT" /proc/config.gz | grep --quiet "CONFIG_GRKERNSEC=y"
572 elif grep --quiet grsec /proc/version
577 if [ ! -z "$GRSEC_DETECTED" ]
579 step_msg "GRSecurity: yes"
580 if [ ! -z "$CFG_PAXCTL" ]
582 CFG_ENABLE_PAX_FLAGS=1
584 warn "GRSecurity kernel detected but no paxctl binary found: not setting CFG_ENABLE_PAX_FLAGS"
587 step_msg "GRSecurity: no"
593 if [ "$CFG_OSTYPE" = "pc-mingw32" ] || [ "$CFG_OSTYPE" = "w64-mingw32" ]
598 if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ]
600 if [ ! -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
602 err "no local rust to use"
604 LRV=`${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} --version`
605 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
609 # Force freebsd to build with clang; gcc doesn't like us there
610 if [ $CFG_OSTYPE = unknown-freebsd ]
612 step_msg "on FreeBSD, forcing use of clang"
614 putvar CFG_ENABLE_CLANG
617 if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
619 err "either clang or gcc is required"
622 # OS X 10.9, gcc is actually clang. This can cause some confusion in the build
623 # system, so if we find that gcc is clang, we should just use clang directly.
624 if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
626 CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version")
629 step_msg "on OS X 10.9, forcing use of clang"
631 putvar CFG_ENABLE_CLANG
633 if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
634 step_msg "older GCC found, using clang instead"
636 putvar CFG_ENABLE_CLANG
638 # on OS X, with xcode 5 and newer, certain developers may have
639 # cc, gcc and g++ point to a mixture of clang and gcc
640 # if so, this will create very strange build errors
641 # this last stanza is to detect some such problems and save the future rust
642 # contributor some time solving that issue.
643 # this detection could be generalized to other OSes aside from OS X
644 # but the issue seems most likely to happen on OS X
647 $1 --version 2> /dev/null | grep -q $2
649 # check that gcc, cc and g++ all point to the same compiler.
650 # note that for xcode 5, g++ points to clang, not clang++
651 if !((chk_cc gcc clang && chk_cc g++ clang) ||
652 (chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))) then
653 err "the gcc and g++ in your path point to different compilers.
654 Check which versions are in your path with gcc --version and g++ --version.
655 To resolve this problem, either fix your PATH or run configure with --enable-clang"
662 if [ ! -z "$CFG_LLVM_ROOT" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
664 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
666 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
667 LLVM_VERSION=$($LLVM_CONFIG --version)
669 case $LLVM_VERSION in
671 msg "found ok version of LLVM: $LLVM_VERSION"
674 err "bad LLVM version: $LLVM_VERSION, need >=3.0svn"
679 # Even when the user overrides the choice of CC, still try to detect
680 # clang to disable some clang-specific warnings. We here draw a
681 # distinction between:
683 # CFG_ENABLE_CLANG : passed --enable-clang, or host "requires" clang,
684 # CFG_USING_CLANG : compiler (clang / gcc / $CC) looks like clang.
686 # This distinction is important because there are some safeguards we
687 # would prefer to skip when merely CFG_USING_CLANG is set; but when
688 # CFG_ENABLE_CLANG is set, that indicates that we are opting into
689 # running such safeguards.
693 msg "skipping compiler inference steps; using provided CC=$CC"
696 CFG_OSX_CC_VERSION=$("$CFG_CC" --version 2>&1 | grep "clang")
699 step_msg "note, user-provided CC looks like clang; CC=$CC."
701 putvar CFG_USING_CLANG
704 if [ ! -z "$CFG_ENABLE_CLANG" ]
706 if [ -z "$CFG_CLANG" ]
708 err "clang requested but not found"
712 putvar CFG_USING_CLANG
718 if [ ! -z "$CFG_ENABLE_CLANG" ]
720 if [ -z "$CC" ] || [[ $CC == *clang ]]
722 CFG_CLANG_VERSION=$($CFG_CC \
725 | sed 's/.*\(version .*\)/\1/; s/.*based on \(LLVM .*\))/\1/' \
728 case $CFG_CLANG_VERSION in
729 (3.0svn | 3.0 | 3.1* | 3.2* | 3.3* | 3.4* | 3.5* )
730 step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
738 err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
742 msg "skipping CFG_ENABLE_CLANG version check; provided CC=$CC"
746 if [ ! -z "$CFG_ENABLE_CCACHE" ]
750 if [ -z "$CFG_CCACHE" ]
752 err "ccache requested but not found"
755 CFG_CC="ccache $CFG_CC"
759 if [ -z "$CC" -a -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
761 err "either clang or gcc is required"
764 # All safeguards based on $CFG_ENABLE_CLANG should occur before this
765 # point in the script; after this point, script logic should inspect
766 # $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG.
768 # Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS}
775 # a little post-processing of various config values
776 CFG_PREFIX=${CFG_PREFIX%/}
777 CFG_MANDIR=${CFG_MANDIR%/}
778 CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
779 CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
780 CFG_SUPPORTED_TARGET="$(grep ^CC_*=* ${CFG_SRC_DIR}mk/platform.mk | sed -e 's/^CC_//' -e 's/\([^=]*\).*/\1/' | xargs)"
782 # copy host-triples to target-triples so that hosts are a subset of targets
784 for i in $CFG_HOST $CFG_TARGET;
786 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
790 # check target-specific tool-chains
794 for j in $CFG_SUPPORTED_TARGET
802 if [ $L_CHECK = false ]
804 err "unsupported target triples \"$i\" found"
808 arm-linux-androideabi)
810 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc ]
812 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc not found"
814 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ ]
816 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ not found"
818 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar ]
820 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar not found"
825 if [ $CFG_OSTYPE != apple-darwin ]
827 err "The iOS target is only supported on Mac OS X"
836 if [ ! -z "$CFG_PERF" ]
838 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
839 if [ -z "$HAVE_PERF_LOGFD" ];
841 CFG_PERF_WITH_LOGFD=1
842 putvar CFG_PERF_WITH_LOGFD
846 step_msg "making directories"
849 doc doc/std doc/extra \
870 make_dir $t/rt/stage$s
871 make_dir $t/rt/jemalloc
873 make_dir $t/rt/libuv/src/ares
874 make_dir $t/rt/libuv/src/eio
875 make_dir $t/rt/libuv/src/ev
878 arch/i386 arch/x86_64 arch/arm arch/mips \
879 sundown/src sundown/html
881 make_dir $t/rt/stage$s/$i
893 make_dir $h/stage$i/bin
896 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE
899 make_dir $h/stage$i/test
902 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin
905 make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib
909 make_dir $h/test/run-pass
910 make_dir $h/test/run-pass-fulldeps
911 make_dir $h/test/run-fail
912 make_dir $h/test/compile-fail
913 make_dir $h/test/compile-fail-fulldeps
914 make_dir $h/test/bench
915 make_dir $h/test/perf
916 make_dir $h/test/pretty
917 make_dir $h/test/debuginfo-gdb
918 make_dir $h/test/debuginfo-lldb
919 make_dir $h/test/codegen
920 make_dir $h/test/doc-tutorial
921 make_dir $h/test/doc-guide-ffi
922 make_dir $h/test/doc-guide-runtime
923 make_dir $h/test/doc-guide-macros
924 make_dir $h/test/doc-guide-lifetimes
925 make_dir $h/test/doc-guide-pointers
926 make_dir $h/test/doc-guide-container
927 make_dir $h/test/doc-guide-tasks
928 make_dir $h/test/doc-complement-cheatsheet
929 make_dir $h/test/doc-rust
932 # Configure submodules
933 step_msg "configuring submodules"
935 # Have to be in the top of src directory for this
936 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ]
940 msg "git: submodule sync"
941 "${CFG_GIT}" submodule sync
943 msg "git: submodule update"
944 "${CFG_GIT}" submodule update --init
947 msg "git: submodule foreach sync"
948 "${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
951 msg "git: submodule foreach update"
952 "${CFG_GIT}" submodule update --init --recursive
955 # NB: this is just for the sake of getting the submodule SHA1 values
956 # and status written into the build log.
957 msg "git: submodule status"
958 "${CFG_GIT}" submodule status --recursive
960 msg "git: submodule clobber"
961 "${CFG_GIT}" submodule foreach --recursive git clean -dxf
963 "${CFG_GIT}" submodule foreach --recursive git checkout .
969 # Configure llvm, only if necessary
970 step_msg "looking at LLVM"
971 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
976 if [ -z $CFG_LLVM_ROOT ]
978 LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm
979 if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
981 LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
982 # Just use LLVM straight from its build directory to
983 # avoid 'make install' time
984 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
986 LLVM_DBG_OPTS="--enable-optimized"
987 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
989 if [ ! -z "$CFG_DISABLE_LLVM_ASSERTIONS" ]
991 LLVM_ASSERTION_OPTS="--disable-assertions"
993 LLVM_ASSERTION_OPTS="--enable-assertions"
994 LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts
997 msg "not reconfiguring LLVM, external LLVM root"
998 # The user is using their own LLVM
1000 LLVM_INST_DIR=$CFG_LLVM_ROOT
1005 if [ ${do_reconfigure} -ne 0 ]
1007 # because git is hilarious, it might have put the module index
1008 # in a couple places.
1009 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
1010 index2="${CFG_SRC_DIR}src/llvm/.git/index"
1011 for index in ${index1} ${index2}
1013 config_status="${LLVM_BUILD_DIR}/config.status"
1014 if test -e ${index} -a \
1015 -e ${config_status} -a \
1016 ${config_status} -nt ${index}
1018 msg "not reconfiguring LLVM, config.status is fresh"
1024 if [ ${do_reconfigure} -ne 0 ]
1026 msg "configuring LLVM for $t"
1028 LLVM_TARGETS="--enable-targets=x86,x86_64,arm,mips"
1029 LLVM_BUILD="--build=$t"
1030 LLVM_HOST="--host=$t"
1031 LLVM_TARGET="--target=$t"
1033 # Disable unused LLVM features
1034 LLVM_OPTS="$LLVM_DBG_OPTS $LLVM_ASSERTION_OPTS --disable-docs --enable-bindings=none"
1035 # Disable term-info, linkage of which comes in multiple forms,
1036 # making our snapshots incompatible (#9334)
1037 LLVM_OPTS="$LLVM_OPTS --disable-terminfo"
1038 # Try to have LLVM pull in as few dependencies as possible (#9397)
1039 LLVM_OPTS="$LLVM_OPTS --disable-zlib --disable-libffi"
1041 # Use win32 native thread/lock apis instead of pthread wrapper.
1042 # (llvm's configure tries to find pthread first, so we have to disable it explicitly.)
1043 # Also note that pthreads works badly on mingw-w64 systems: #8996
1044 case "$CFG_BUILD" in
1046 LLVM_OPTS="$LLVM_OPTS --disable-pthreads"
1052 LLVM_CXX_32="ccache clang++ -Qunused-arguments"
1053 LLVM_CC_32="ccache clang -Qunused-arguments"
1055 LLVM_CXX_64="ccache clang++ -Qunused-arguments"
1056 LLVM_CC_64="ccache clang -Qunused-arguments"
1059 LLVM_CXX_32="clang++ -Qunused-arguments"
1060 LLVM_CC_32="clang -Qunused-arguments"
1062 LLVM_CXX_64="clang++ -Qunused-arguments"
1063 LLVM_CC_64="clang -Qunused-arguments"
1066 LLVM_CXX_32="ccache g++"
1067 LLVM_CC_32="ccache gcc"
1069 LLVM_CXX_64="ccache g++"
1070 LLVM_CC_64="ccache gcc"
1081 msg "inferring LLVM_CXX/CC from CXX/CC = $CXX/$CC"
1090 case "$CFG_CPUTYPE" in
1092 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1093 LLVM_CC_32="$LLVM_CC_32 -m32"
1095 LLVM_CFLAGS_32="-m32"
1096 LLVM_CXXFLAGS_32="-m32"
1097 LLVM_LDFLAGS_32="-m32"
1103 LLVM_CXX_32="$LLVM_CXX_32 -m32"
1104 LLVM_CC_32="$LLVM_CC_32 -m32"
1118 if echo $t | grep -q x86_64
1120 LLVM_CXX=$LLVM_CXX_64
1122 LLVM_CFLAGS=$LLVM_CFLAGS_64
1123 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
1124 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
1126 LLVM_CXX=$LLVM_CXX_32
1128 LLVM_CFLAGS=$LLVM_CFLAGS_32
1129 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
1130 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
1136 CXXFLAGS=$LLVM_CXXFLAGS
1137 LDFLAGS=$LLVM_LDFLAGS
1139 if [ "$CFG_DISABLE_LIBCPP" != 1 ] && [ "$CFG_USING_CLANG" == 1 ]; then
1140 LLVM_OPTS="$LLVM_OPTS --enable-libcpp"
1143 LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
1144 $LLVM_HOST $LLVM_TARGET --with-python=$CFG_PYTHON"
1146 msg "configuring LLVM with:"
1156 case $CFG_SRC_DIR in
1157 /* | [a-z]:* | [A-Z]:*)
1158 ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
1161 ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
1165 need_ok "LLVM configure failed"
1170 # Construct variables for LLVM build and install directories for
1171 # each target. These will be named
1172 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
1173 # target_triple will be converted to underscore, because bash
1174 # variables can't contain hyphens. The makefile will then have to
1176 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1177 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1178 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
1179 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
1183 step_msg "writing configuration"
1186 putvar CFG_BUILD_DIR
1189 putvar CFG_CONFIGURE_ARGS
1195 putvar CFG_LIBDIR_RELATIVE
1196 putvar CFG_DISABLE_MANAGE_SUBMODULES
1197 putvar CFG_ANDROID_CROSS_PATH
1198 putvar CFG_MINGW32_CROSS_PATH
1200 putvar CFG_DISABLE_INJECT_STD_VERSION
1202 # Avoid spurious warnings from clang by feeding it original source on
1203 # ccache-miss rather than preprocessed input.
1204 if [ ! -z "$CFG_ENABLE_CCACHE" ] && [ ! -z "$CFG_USING_CLANG" ]
1207 putvar CFG_CCACHE_CPP2
1210 if [ ! -z "$CFG_ENABLE_CCACHE" ]
1212 CFG_CCACHE_BASEDIR=${CFG_SRC_DIR}
1213 putvar CFG_CCACHE_BASEDIR
1217 if [ ! -z $BAD_PANDOC ]
1223 # Valgrind is only reliable on Linux. On Windows it doesn't work at all, and
1224 # on the Mac the dynamic linker causes Valgrind to emit a huge stream of
1226 if [ $CFG_OSTYPE != unknown-linux-gnu ] && [ $CFG_OSTYPE != apple-darwin ]
1229 putvar CFG_BAD_VALGRIND
1232 putvar CFG_LLVM_ROOT
1233 putvar CFG_LLVM_SRC_DIR
1237 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
1238 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
1239 putvar $CFG_LLVM_BUILD_DIR
1240 putvar $CFG_LLVM_INST_DIR
1243 # Munge any paths that appear in config.mk back to posix-y
1244 perl -i.bak -p -e 's@ ([a-zA-Z]):[/\\]@ /\1/@go;' \
1245 -e 's@\\@/@go;' config.tmp
1246 rm -f config.tmp.bak
1249 copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile
1250 move_if_changed config.tmp config.mk
1255 msg "run \`make help\`"