14 echo "configure: WARNING: $1"
18 echo "configure: error: $1"
30 if which $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
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"
226 msg "looking for configure programs"
242 msg "inspecting environment"
244 CFG_OSTYPE=$(uname -s)
245 CFG_CPUTYPE=$(uname -m)
247 if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
249 # Darwin's `uname -s` lies and always returns i386. We have to use sysctl
251 if sysctl hw.optional.x86_64 | grep -q ': 1'
257 # The goal here is to come up with the same triple as LLVM would,
258 # at least for the subset of platforms we're willing to target.
263 CFG_OSTYPE=unknown-linux-gnu
267 CFG_OSTYPE=unknown-freebsd
271 CFG_OSTYPE=apple-darwin
275 CFG_OSTYPE=pc-mingw32
277 # Thad's Cygwin identifers below
281 CFG_OSTYPE=pc-mingw32
287 CFG_OSTYPE=w64-mingw32
293 CFG_OSTYPE=pc-mingw32
299 CFG_OSTYPE=w64-mingw32
303 # We do not detect other OS such as XP/2003 using 64 bit using uname.
304 # 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.
306 err "unknown OS type: $CFG_OSTYPE"
311 if [ -z "$CFG_CPUTYPE" ]
315 i386 | i486 | i686 | i786 | x86)
323 x86_64 | x86-64 | x64 | amd64)
328 err "unknown CPU type: $CFG_CPUTYPE"
332 # Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
333 if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
335 file -L "$SHELL" | grep -q "x86[_-]64"
342 DEFAULT_BUILD_TRIPLE="${CFG_CPUTYPE}-${CFG_OSTYPE}"
344 CFG_SRC_DIR="$(cd $(dirname $0) && pwd)/"
345 CFG_BUILD_DIR="$(pwd)/"
346 CFG_SELF=${CFG_SRC_DIR}$(basename $0)
347 CFG_CONFIGURE_ARGS="$@"
351 if [ "$1" = "--help" ]
356 echo "Usage: $CFG_SELF [options]"
361 msg "recreating config.tmp"
364 step_msg "processing $CFG_SELF args"
370 opt sharedstd 1 "build libstd as a shared library"
371 opt valgrind 0 "run tests with valgrind (memcheck by default)"
372 opt helgrind 0 "run tests with helgrind instead of memcheck"
373 opt docs 1 "build documentation"
374 opt optimize 1 "build optimized rust code"
375 opt optimize-cxx 1 "build optimized C++ code"
376 opt optimize-llvm 1 "build optimized LLVM"
377 opt debug 0 "build with extra debug fun"
378 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
379 opt manage-submodules 1 "let the build manage the git submodules"
380 opt mingw-cross 0 "cross-compile for win32 using mingw"
381 opt clang 0 "prefer clang to gcc for building the runtime"
382 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
383 opt pax-flags 0 "apply PaX flags to rustc binaries (required for GRSecurity/PaX-patched kernels)"
384 valopt prefix "/usr/local" "set installation prefix"
385 valopt local-rust-root "/usr/local" "set prefix for local rust binary"
386 valopt llvm-root "" "set LLVM root"
387 valopt build-triple "${DEFAULT_BUILD_TRIPLE}" "LLVM build triple"
388 valopt host-triples "${CFG_BUILD_TRIPLE}" "LLVM host triples"
389 valopt target-triples "${CFG_HOST_TRIPLES}" "LLVM target triples"
390 valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path"
391 valopt mingw32-cross-path "" "MinGW32 cross compiler path"
394 step_msg "validating $CFG_SELF args"
404 step_msg "looking for build programs"
406 probe_need CFG_PERL perl
407 probe_need CFG_CURL curl
408 probe_need CFG_PYTHON python2.7 python2.6 python2 python
410 python_version=$($CFG_PYTHON -V 2>&1)
411 if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then
412 err "Found $python_version, but LLVM requires Python 2.4-2.7"
415 # If we have no git directory then we are probably a tarball distribution
416 # and shouldn't attempt to load submodules
417 if [ ! -e ${CFG_SRC_DIR}.git ]
420 msg "git: no git directory. disabling submodules"
421 CFG_DISABLE_MANAGE_SUBMODULES=1
423 probe_need CFG_GIT git
426 probe CFG_CLANG clang++
429 probe CFG_VALGRIND valgrind
432 probe CFG_LLNEXTGEN LLnextgen
433 probe CFG_PANDOC pandoc
434 probe CFG_PDFLATEX pdflatex
435 probe CFG_XETEX xetex
436 probe CFG_LUATEX luatex
437 probe CFG_NODE nodejs node
439 if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ]
441 probe CFG_PAXCTL paxctl /sbin/paxctl
445 if [ ! -z "$CFG_PANDOC" ]
447 PV_MAJOR_MINOR=$(pandoc --version | grep '^pandoc ' |
448 # extract the first 2 version fields, ignore everything else
449 sed 's/pandoc \([0-9]*\)\.\([0-9]*\).*/\1 \2/')
451 # these patterns are shell globs, *not* regexps
452 PV_MAJOR=${PV_MAJOR_MINOR% *}
453 PV_MINOR=${PV_MAJOR_MINOR#* }
454 if [ "$PV_MAJOR" -lt "1" ] || [ "$PV_MINOR" -lt "8" ]
456 step_msg "pandoc $PV_MAJOR.$PV_MINOR is too old. disabling"
461 if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ]
463 if [ ! -z "$CFG_ENABLE_PAX_FLAGS" -a -z "$CFG_PAXCTL" ]
465 err "enabled PaX markings but no paxctl binary found"
468 if [ -z "$CFG_DISABLE_PAX_FLAGS" ]
470 # GRSecurity/PaX detection. This can be very flaky.
473 # /dev/grsec only exists if CONFIG_GRKERNSEC_NO_RBAC is not set.
474 # /proc/sys/kernel/grsecurity is not available if ÇONFIG_GRKERNSEC_SYSCTL is not set.
475 if [ -e /dev/grsec -o -d /proc/sys/kernel/grsecurity ]
478 # /proc/config.gz is normally only available to root, and only if CONFIG_IKCONFIG_PROC has been set.
479 elif [ -r /proc/config.gz -a ! -z "$CFG_ZCAT" ]
481 if "$CFG_ZCAT" /proc/config.gz | grep --quiet "CONFIG_GRKERNSEC=y"
486 elif grep --quiet grsec /proc/version
491 if [ ! -z "$GRSEC_DETECTED" ]
493 step_msg "GRSecurity: yes"
494 if [ ! -z "$CFG_PAXCTL" ]
496 CFG_ENABLE_PAX_FLAGS=1
498 warn "GRSecurity kernel detected but no paxctl binary found: not setting CFG_ENABLE_PAX_FLAGS"
501 step_msg "GRSecurity: no"
506 if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ]
508 if [ ! -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc ]
510 err "no local rust to use"
512 LRV=`${CFG_LOCAL_RUST_ROOT}/bin/rustc --version`
513 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: " $LRV
517 # Force freebsd to build with clang; gcc doesn't like us there
518 if [ $CFG_OSTYPE = unknown-freebsd ]
520 step_msg "on FreeBSD, forcing use of clang"
522 putvar CFG_ENABLE_CLANG
526 if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
528 err "either clang or gcc is required"
531 if [ ! -z "$CFG_LLVM_ROOT" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
533 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
535 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
536 LLVM_VERSION=$($LLVM_CONFIG --version)
538 case $LLVM_VERSION in
539 (3.1svn|3.1|3.0svn|3.0)
540 msg "found ok version of LLVM: $LLVM_VERSION"
543 err "bad LLVM version: $LLVM_VERSION, need >=3.0svn"
548 if [ ! -z "$CFG_ENABLE_CLANG" ]
550 if [ -z "$CFG_CLANG" ]
552 err "clang requested but not found"
554 CFG_CLANG_VERSION=$("$CFG_CLANG" \
557 | sed 's/.*\(version .*\)/\1/' \
560 case $CFG_CLANG_VERSION in
561 (3.0svn | 3.0 | 3.1* | 3.2* | 3.3* | 4.0* | 4.1* | 4.2*)
562 step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
563 CFG_C_COMPILER="clang"
566 err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
573 # a little post-processing of various config values
575 CFG_PREFIX=${CFG_PREFIX%/}
576 CFG_HOST_TRIPLES="$(echo $CFG_HOST_TRIPLES | tr ',' ' ')"
577 CFG_TARGET_TRIPLES="$(echo $CFG_TARGET_TRIPLES | tr ',' ' ')"
578 CFG_SUPPORTED_TARGET_TRIPLES="$(grep ^CC_*=* $CFG_SRC_DIR/mk/platform.mk | sed 's,^[^_]*_,,' | sed 's/\([^=]*\).*/\1/' | xargs)"
580 # copy host-triples to target-triples so that hosts are a subset of targets
582 for i in $CFG_HOST_TRIPLES $CFG_TARGET_TRIPLES;
584 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
586 CFG_TARGET_TRIPLES=$V_TEMP
588 # check target-specific tool-chains
589 for i in $CFG_TARGET_TRIPLES
592 for j in $CFG_SUPPORTED_TARGET_TRIPLES
600 if [ $L_CHECK = false ]
602 err "unsupported target triples \"$i\" found"
606 arm-linux-androideabi)
608 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc ]
610 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc not found"
612 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ ]
614 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ not found"
616 if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar ]
618 err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar not found"
627 if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
629 err "either clang or gcc is required"
632 if [ ! -z "$CFG_PERF" ]
634 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
635 if [ -z "$HAVE_PERF_LOGFD" ];
637 CFG_PERF_WITH_LOGFD=1
638 putvar CFG_PERF_WITH_LOGFD
642 step_msg "making directories"
645 doc doc/core doc/std \
652 for t in $CFG_HOST_TRIPLES
658 for t in $CFG_HOST_TRIPLES
664 for t in $CFG_TARGET_TRIPLES
668 isaac linenoise sync test \
669 arch/i386 arch/x86_64 arch/arm arch/mips \
670 libuv libuv/src/ares libuv/src/eio libuv/src/ev
676 # On windows we just store the libraries in the bin directory because
678 # FIXME: Thise needs to parameterized over target triples. Do it in platform.mk
680 if [ "$CFG_OSTYPE" = "pc-mingw32" ]
685 for h in $CFG_HOST_TRIPLES
687 for t in $CFG_TARGET_TRIPLES
692 make_dir $h/stage$i/bin
695 make_dir $h/stage$i/$CFG_LIBDIR
698 make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/bin
701 make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/$CFG_LIBDIR
705 make_dir $h/test/run-pass
706 make_dir $h/test/run-pass-fulldeps
707 make_dir $h/test/run-fail
708 make_dir $h/test/compile-fail
709 make_dir $h/test/bench
710 make_dir $h/test/perf
711 make_dir $h/test/pretty
712 make_dir $h/test/debug-info
713 make_dir $h/test/doc-tutorial
714 make_dir $h/test/doc-tutorial-ffi
715 make_dir $h/test/doc-tutorial-macros
716 make_dir $h/test/doc-tutorial-borrowed-ptr
717 make_dir $h/test/doc-tutorial-tasks
718 make_dir $h/test/doc-rust
721 # Configure submodules
722 step_msg "configuring submodules"
724 # Have to be in the top of src directory for this
725 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ]
729 msg "git: submodule sync"
730 "${CFG_GIT}" submodule --quiet sync
732 msg "git: submodule update"
733 "${CFG_GIT}" submodule --quiet update --init
736 msg "git: submodule foreach sync"
737 "${CFG_GIT}" submodule --quiet foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
740 msg "git: submodule foreach update"
741 "${CFG_GIT}" submodule --quiet update --init --recursive
744 # NB: this is just for the sake of getting the submodule SHA1 values
745 # and status written into the build log.
746 msg "git: submodule status"
747 "${CFG_GIT}" submodule status --recursive
749 msg "git: submodule clobber"
750 "${CFG_GIT}" submodule --quiet foreach --recursive git clean -dxf
752 "${CFG_GIT}" submodule --quiet foreach --recursive git checkout .
758 # Configure llvm, only if necessary
759 step_msg "looking at LLVM"
760 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
761 for t in $CFG_HOST_TRIPLES
765 if [ -z $CFG_LLVM_ROOT ]
767 LLVM_BUILD_DIR=${CFG_BUILD_DIR}llvm/$t
768 if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
770 LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
771 # Just use LLVM straight from its build directory to
772 # avoid 'make install' time
773 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug+Asserts
775 LLVM_DBG_OPTS="--enable-optimized"
776 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release+Asserts
779 msg "not reconfiguring LLVM, external LLVM root"
780 # The user is using their own LLVM
782 LLVM_INST_DIR=$CFG_LLVM_ROOT
787 if [ ${do_reconfigure} -ne 0 ]
789 # because git is hilarious, it might have put the module index
790 # in a couple places.
791 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
792 index2="${CFG_SRC_DIR}src/llvm/.git/index"
793 for index in ${index1} ${index2}
795 config_status="${CFG_BUILD_DIR}llvm/$t/config.status"
796 if test -e ${index} -a \
797 -e ${config_status} -a \
798 ${config_status} -nt ${index}
800 msg "not reconfiguring LLVM, config.status is fresh"
806 if [ ${do_reconfigure} -ne 0 ]
808 msg "configuring LLVM for $t"
810 LLVM_TARGETS="--enable-targets=x86,x86_64,arm,mips"
811 LLVM_BUILD="--build=$t"
812 LLVM_HOST="--host=$t"
813 LLVM_TARGET="--target=$t"
815 # Disable unused LLVM features
816 LLVM_OPTS="$LLVM_DBG_OPTS --disable-docs \
817 --enable-bindings=none --disable-threads \
820 if [ "$CFG_C_COMPILER" = "clang" ]
822 LLVM_CXX_32="clang++ -m32"
823 LLVM_CC_32="clang -m32"
825 LLVM_CXX_64="clang++"
828 LLVM_CXX_32="g++ -m32"
829 LLVM_CC_32="gcc -m32"
835 LLVM_CFLAGS_32="-m32"
836 LLVM_CXXFLAGS_32="-m32"
837 LLVM_LDFLAGS_32="-m32"
843 if echo $t | grep -q x86_64
845 LLVM_CXX=$LLVM_CXX_64
847 LLVM_CFLAGS=$LLVM_CFLAGS_64
848 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
849 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
851 LLVM_CXX=$LLVM_CXX_32
853 LLVM_CFLAGS=$LLVM_CFLAGS_32
854 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
855 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
861 CXXFLAGS=$LLVM_CXXFLAGS
862 LDFLAGS=$LLVM_LDFLAGS
864 LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
865 $LLVM_HOST $LLVM_TARGET"
867 msg "configuring LLVM with:"
878 /* | [a-z]:* | [A-Z]:*)
879 ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
882 ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
886 need_ok "LLVM configure failed"
890 # Construct variables for LLVM build and install directories for
891 # each target. These will be named
892 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
893 # target_triple will be converted to underscore, because bash
894 # variables can't contain hyphens. The makefile will then have to
896 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
897 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
898 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
899 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
903 step_msg "writing configuration"
909 putvar CFG_CONFIGURE_ARGS
911 putvar CFG_BUILD_TRIPLE
912 putvar CFG_HOST_TRIPLES
913 putvar CFG_TARGET_TRIPLES
914 putvar CFG_C_COMPILER
916 putvar CFG_DISABLE_MANAGE_SUBMODULES
917 putvar CFG_ANDROID_CROSS_PATH
918 putvar CFG_MINGW32_CROSS_PATH
920 if [ ! -z "$CFG_ENABLE_PAX_FLAGS" ]
922 putvar CFG_ENABLE_PAX_FLAGS
926 if [ ! -z $BAD_PANDOC ]
932 if head -n 1 ${CFG_SRC_DIR}src/snapshots.txt | grep -q '^T'
935 putvar CFG_IN_TRANSITION
938 # Valgrind is only reliable on Linux. On Windows it doesn't work at all, and
939 # on the Mac the dynamic linker causes Valgrind to emit a huge stream of
941 if [ $CFG_OSTYPE != unknown-linux-gnu ] && [ $CFG_OSTYPE != apple-darwin ]
944 putvar CFG_BAD_VALGRIND
948 putvar CFG_LLVM_SRC_DIR
950 for t in $CFG_HOST_TRIPLES
952 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
953 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
954 putvar $CFG_LLVM_BUILD_DIR
955 putvar $CFG_LLVM_INST_DIR
958 # Munge any paths that appear in config.mk back to posix-y
959 perl -i.bak -p -e 's@ ([a-zA-Z]):[/\\]@ /\1/@go;' \
960 -e 's@\\@/@go;' config.tmp
964 copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile
965 move_if_changed config.tmp config.mk