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 test $isArgValid -eq 0
141 err "Option '$arg' is not recognized"
147 VAL_OPTIONS="$VAL_OPTIONS $1"
156 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
159 for arg in $CFG_CONFIGURE_ARGS
161 if echo "$arg" | grep -q -- "--$OP="
163 val=$(echo "$arg" | cut -f2 -d=)
173 OP="${OP}=[${DEFAULT}]"
174 printf " --%-30s %s\n" "$OP" "$DOC"
179 BOOL_OPTIONS="$BOOL_OPTIONS $1"
188 if [ $DEFAULT -eq 0 ]
198 for arg in $CFG_CONFIGURE_ARGS
200 if [ "$arg" = "--${FLAG}-${OP}" ]
202 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
203 FLAG=$(echo $FLAG | tr 'a-z' 'A-Z')
204 local V="CFG_${FLAG}_${OP}"
214 printf " --%-30s %s\n" "$FLAG-$OP" "$DOC"
218 msg "looking for configure programs"
234 msg "inspecting environment"
236 CFG_OSTYPE=$(uname -s)
237 CFG_CPUTYPE=$(uname -m)
239 if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
241 # Darwin's `uname -s` lies and always returns i386. We have to use sysctl
243 if sysctl hw.optional.x86_64 | grep -q ': 1'
249 # The goal here is to come up with the same triple as LLVM would,
250 # at least for the subset of platforms we're willing to target.
255 CFG_OSTYPE=unknown-linux-gnu
259 CFG_OSTYPE=unknown-freebsd
263 CFG_OSTYPE=apple-darwin
267 CFG_OSTYPE=pc-mingw32
271 err "unknown OS type: $CFG_OSTYPE"
278 i386 | i486 | i686 | i786 | x86)
286 x86_64 | x86-64 | x64 | amd64)
291 err "unknown CPU type: $CFG_CPUTYPE"
294 # Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
295 if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
297 file -L "$SHELL" | grep -q "x86[_-]64"
304 DEFAULT_HOST_TRIPLE="${CFG_CPUTYPE}-${CFG_OSTYPE}"
306 CFG_SRC_DIR="$(cd $(dirname $0) && pwd)/"
307 CFG_BUILD_DIR="$(pwd)/"
308 CFG_SELF=${CFG_SRC_DIR}$(basename $0)
309 CFG_CONFIGURE_ARGS="$@"
313 if [ "$1" = "--help" ]
318 echo "Usage: $CFG_SELF [options]"
323 msg "recreating config.tmp"
326 step_msg "processing $CFG_SELF args"
332 opt sharedstd 1 "build libstd as a shared library"
333 opt valgrind 0 "run tests with valgrind (memcheck by default)"
334 opt helgrind 0 "run tests with helgrind instead of memcheck"
335 opt docs 1 "build documentation"
336 opt optimize 1 "build optimized rust code"
337 opt optimize-cxx 1 "build optimized C++ code"
338 opt optimize-llvm 1 "build optimized LLVM"
339 opt debug 0 "build with extra debug fun"
340 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
341 opt manage-submodules 1 "let the build manage the git submodules"
342 opt mingw-cross 0 "cross-compile for win32 using mingw"
343 opt clang 0 "prefer clang to gcc for building the runtime"
344 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
345 opt pax-flags 0 "apply PaX flags to rustc binaries (required for GRSecurity/PaX-patched kernels)"
346 valopt prefix "/usr/local" "set installation prefix"
347 valopt local-rust-root "/usr/local" "set prefix for local rust binary"
348 valopt llvm-root "" "set LLVM root"
349 valopt host-triple "${DEFAULT_HOST_TRIPLE}" "LLVM host triple"
350 valopt target-triples "${CFG_HOST_TRIPLE}" "LLVM target triples"
353 step_msg "validating $CFG_SELF args"
363 step_msg "looking for build programs"
365 probe_need CFG_PERL perl
366 probe_need CFG_CURL curl
367 probe_need CFG_PYTHON python2.7 python2.6 python2 python
369 python_version=$($CFG_PYTHON -V 2>&1)
370 if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then
371 err "Found $python_version, but LLVM requires Python 2.4-2.7"
374 # If we have no git directory then we are probably a tarball distribution
375 # and shouldn't attempt to load submodules
376 if [ ! -e ${CFG_SRC_DIR}.git ]
379 msg "git: no git directory. disabling submodules"
380 CFG_DISABLE_MANAGE_SUBMODULES=1
382 probe_need CFG_GIT git
385 probe CFG_CLANG clang++
388 probe CFG_VALGRIND valgrind
391 probe CFG_LLNEXTGEN LLnextgen
392 probe CFG_PANDOC pandoc
393 probe CFG_PDFLATEX pdflatex
394 probe CFG_XETEX xetex
395 probe CFG_LUATEX luatex
396 probe CFG_NODE nodejs node
398 if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ]
400 probe CFG_PAXCTL paxctl /sbin/paxctl
404 if [ ! -z "$CFG_PANDOC" ]
406 PANDOC_VER_LINE=$(pandoc --version | grep '^pandoc ')
407 PANDOC_VER=${PANDOC_VER_LINE#pandoc }
408 PV_MAJOR_MINOR=${PANDOC_VER%.[0-9]*}
409 PV_MAJOR=${PV_MAJOR_MINOR%%[.][0-9]*}
410 PV_MINOR=${PV_MAJOR_MINOR#[0-9]*[.]}
411 PV_MINOR=${PV_MINOR%%[.][0-9]*}
412 if [ "$PV_MAJOR" -lt "1" ] || [ "$PV_MINOR" -lt "8" ]
414 step_msg "pandoc $PV_MAJOR.$PV_MINOR is too old. disabling"
419 if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ]
421 if [ ! -z "$CFG_ENABLE_PAX_FLAGS" -a -z "$CFG_PAXCTL" ]
423 err "enabled PaX markings but no paxctl binary found"
426 if [ -z "$CFG_DISABLE_PAX_FLAGS" ]
428 # GRSecurity/PaX detection. This can be very flaky.
431 # /dev/grsec only exists if CONFIG_GRKERNSEC_NO_RBAC is not set.
432 # /proc/sys/kernel/grsecurity is not available if ÇONFIG_GRKERNSEC_SYSCTL is not set.
433 if [ -e /dev/grsec -o -d /proc/sys/kernel/grsecurity ]
436 # /proc/config.gz is normally only available to root, and only if CONFIG_IKCONFIG_PROC has been set.
437 elif [ -r /proc/config.gz -a ! -z "$CFG_ZCAT" ]
439 if "$CFG_ZCAT" /proc/config.gz | grep --quiet "CONFIG_GRKERNSEC=y"
444 elif grep --quiet grsec /proc/version
449 if [ ! -z "$GRSEC_DETECTED" ]
451 step_msg "GRSecurity: yes"
452 if [ ! -z "$CFG_PAXCTL" ]
454 CFG_ENABLE_PAX_FLAGS=1
456 warn "GRSecurity kernel detected but no paxctl binary found: not setting CFG_ENABLE_PAX_FLAGS"
459 step_msg "GRSecurity: no"
464 if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ]
466 if [ ! -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc ]
468 err "no local rust to use"
470 LRV=`${CFG_LOCAL_RUST_ROOT}/bin/rustc --version`
471 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: " $LRV
475 # Force freebsd to build with clang; gcc doesn't like us there
476 if [ $CFG_OSTYPE = unknown-freebsd ]
478 step_msg "on FreeBSD, forcing use of clang"
480 putvar CFG_ENABLE_CLANG
484 if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
486 err "either clang or gcc is required"
489 if [ ! -z "$CFG_LLVM_ROOT" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
491 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
493 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
494 LLVM_VERSION=$($LLVM_CONFIG --version)
496 case $LLVM_VERSION in
497 (3.1svn|3.1|3.0svn|3.0)
498 msg "found ok version of LLVM: $LLVM_VERSION"
501 err "bad LLVM version: $LLVM_VERSION, need >=3.0svn"
506 if [ ! -z "$CFG_ENABLE_CLANG" ]
508 if [ -z "$CFG_CLANG" ]
510 err "clang requested but not found"
512 CFG_CLANG_VERSION=$("$CFG_CLANG" \
515 | sed 's/.*\(version .*\)/\1/' \
518 case $CFG_CLANG_VERSION in
519 (3.0svn | 3.0 | 3.1* | 3.2* | 4.0* | 4.1* | 4.2*)
520 step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
521 CFG_C_COMPILER="clang"
524 err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
531 # a little post-processing of various config values
533 CFG_PREFIX=${CFG_PREFIX%/}
534 CFG_TARGET_TRIPLES="$(echo $CFG_TARGET_TRIPLES | tr ',' ' ')"
535 case $CFG_TARGET_TRIPLES in
536 (*$CFG_HOST_TRIPLE*) ;;
537 (*) err "Host triple is not among the target triples." ;;
540 if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
542 err "either clang or gcc is required"
545 if [ ! -z "$CFG_PERF" ]
547 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
548 if [ -z "$HAVE_PERF_LOGFD" ];
550 CFG_PERF_WITH_LOGFD=1
551 putvar CFG_PERF_WITH_LOGFD
555 step_msg "making directories"
558 doc doc/core doc/std \
565 for t in $CFG_TARGET_TRIPLES
571 for t in $CFG_TARGET_TRIPLES
577 for t in $CFG_TARGET_TRIPLES
581 isaac linenoise sync test arch/i386 arch/x86_64 \
588 # On windows we just store the libraries in the bin directory because
591 if [ "$CFG_OSTYPE" = "pc-mingw32" ]
596 for h in $CFG_TARGET_TRIPLES
598 for t in $CFG_TARGET_TRIPLES
603 make_dir $h/stage$i/bin
606 make_dir $h/stage$i/$CFG_LIBDIR
609 make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/bin
612 make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/$CFG_LIBDIR
616 make_dir $h/test/run-pass
617 make_dir $h/test/run-pass-fulldeps
618 make_dir $h/test/run-fail
619 make_dir $h/test/compile-fail
620 make_dir $h/test/bench
621 make_dir $h/test/perf
622 make_dir $h/test/pretty
623 make_dir $h/test/debug-info
624 make_dir $h/test/doc-tutorial
625 make_dir $h/test/doc-tutorial-ffi
626 make_dir $h/test/doc-tutorial-macros
627 make_dir $h/test/doc-tutorial-borrowed-ptr
628 make_dir $h/test/doc-tutorial-tasks
629 make_dir $h/test/doc-rust
632 # Configure submodules
633 step_msg "configuring submodules"
635 # Have to be in the top of src directory for this
636 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ]
640 msg "git: submodule sync"
641 "${CFG_GIT}" submodule --quiet sync
643 msg "git: submodule update"
644 "${CFG_GIT}" submodule --quiet update --init
647 msg "git: submodule foreach sync"
648 "${CFG_GIT}" submodule --quiet foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
651 msg "git: submodule foreach update"
652 "${CFG_GIT}" submodule --quiet update --init --recursive
655 # NB: this is just for the sake of getting the submodule SHA1 values
656 # and status written into the build log.
657 msg "git: submodule status"
658 "${CFG_GIT}" submodule status --recursive
660 msg "git: submodule clobber"
661 "${CFG_GIT}" submodule --quiet foreach --recursive git clean -dxf
663 "${CFG_GIT}" submodule --quiet foreach --recursive git checkout .
669 # Configure llvm, only if necessary
670 step_msg "looking at LLVM"
671 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
672 for t in $CFG_TARGET_TRIPLES
676 if [ -z $CFG_LLVM_ROOT ]
678 LLVM_BUILD_DIR=${CFG_BUILD_DIR}llvm/$t
679 if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
681 LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
682 # Just use LLVM straight from its build directory to
683 # avoid 'make install' time
684 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug+Asserts
686 LLVM_DBG_OPTS="--enable-optimized"
687 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release+Asserts
690 msg "not reconfiguring LLVM, external LLVM root"
691 # The user is using their own LLVM
693 LLVM_INST_DIR=$CFG_LLVM_ROOT
698 if [ ${do_reconfigure} -ne 0 ]
700 # because git is hilarious, it might have put the module index
701 # in a couple places.
702 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
703 index2="${CFG_SRC_DIR}src/llvm/.git/index"
704 for index in ${index1} ${index2}
706 config_status="${CFG_BUILD_DIR}llvm/$t/config.status"
707 if test -e ${index} -a \
708 -e ${config_status} -a \
709 ${config_status} -nt ${index}
711 msg "not reconfiguring LLVM, config.status is fresh"
717 if [ ${do_reconfigure} -ne 0 ]
719 msg "configuring LLVM for $t"
721 LLVM_TARGETS="--enable-targets=x86,x86_64,arm"
722 LLVM_BUILD="--build=$t"
723 LLVM_HOST="--host=$t"
724 LLVM_TARGET="--target=$t"
726 # Disable unused LLVM features
727 LLVM_OPTS="$LLVM_DBG_OPTS --disable-docs \
728 --enable-bindings=none --disable-threads \
731 if [ "$CFG_C_COMPILER" = "clang" ]
733 LLVM_CXX_32="clang++ -m32"
734 LLVM_CC_32="clang -m32"
736 LLVM_CXX_64="clang++"
739 LLVM_CXX_32="g++ -m32"
740 LLVM_CC_32="gcc -m32"
746 LLVM_CFLAGS_32="-m32"
747 LLVM_CXXFLAGS_32="-m32"
748 LLVM_LDFLAGS_32="-m32"
754 if echo $t | grep -q x86_64
756 LLVM_CXX=$LLVM_CXX_64
758 LLVM_CFLAGS=$LLVM_CFLAGS_64
759 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
760 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
762 LLVM_CXX=$LLVM_CXX_32
764 LLVM_CFLAGS=$LLVM_CFLAGS_32
765 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
766 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
772 CXXFLAGS=$LLVM_CXXFLAGS
773 LDFLAGS=$LLVM_LDFLAGS
775 LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
776 $LLVM_HOST $LLVM_TARGET"
778 msg "configuring LLVM with:"
789 /* | [a-z]:* | [A-Z]:*)
790 ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
793 ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
797 need_ok "LLVM configure failed"
801 # Construct variables for LLVM build and install directories for
802 # each target. These will be named
803 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
804 # target_triple will be converted to underscore, because bash
805 # variables can't contain hyphens. The makefile will then have to
807 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
808 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
809 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
810 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
814 step_msg "writing configuration"
820 putvar CFG_CONFIGURE_ARGS
822 putvar CFG_TARGET_TRIPLES
823 putvar CFG_C_COMPILER
825 putvar CFG_DISABLE_MANAGE_SUBMODULES
827 if [ ! -z "$CFG_ENABLE_PAX_FLAGS" ]
829 putvar CFG_ENABLE_PAX_FLAGS
833 if [ ! -z $BAD_PANDOC ]
839 if head -n 1 ${CFG_SRC_DIR}src/snapshots.txt | grep -q '^T'
842 putvar CFG_IN_TRANSITION
845 # Valgrind is only reliable on Linux. On Windows it doesn't work at all, and
846 # on the Mac the dynamic linker causes Valgrind to emit a huge stream of
848 if [ $CFG_OSTYPE != unknown-linux-gnu ] && [ $CFG_OSTYPE != apple-darwin ]
851 putvar CFG_BAD_VALGRIND
855 putvar CFG_LLVM_SRC_DIR
857 for t in $CFG_TARGET_TRIPLES
859 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
860 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
861 putvar $CFG_LLVM_BUILD_DIR
862 putvar $CFG_LLVM_INST_DIR
865 # Munge any paths that appear in config.mk back to posix-y
866 perl -i.bak -p -e 's@ ([a-zA-Z]):[/\\]@ /\1/@go;' \
867 -e 's@\\@/@go;' config.tmp
871 copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile
872 move_if_changed config.tmp config.mk