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 ${CFG_SRC_DIR}.git ]
379 msg "git: no git directory. disabling submodules"
380 CFG_DISABLE_MANAGE_SUBMODULES=1
382 probe_need CFG_GIT git
385 probe CFG_CLANG clang++
388 probe CFG_VALGRIND valgrind
391 probe CFG_LLNEXTGEN LLnextgen
392 probe CFG_PANDOC pandoc
393 probe CFG_PDFLATEX pdflatex
394 probe CFG_XETEX xetex
395 probe CFG_LUATEX luatex
396 probe CFG_NODE nodejs node
397 if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ]
399 probe CFG_PAXCTL paxctl /sbin/paxctl
403 if [ ! -z "$CFG_PANDOC" ]
405 PANDOC_VER_LINE=$(pandoc --version | grep '^pandoc ')
406 PANDOC_VER=${PANDOC_VER_LINE#pandoc }
407 PV_MAJOR_MINOR=${PANDOC_VER%.[0-9]*}
408 PV_MAJOR=${PV_MAJOR_MINOR%%[.][0-9]*}
409 PV_MINOR=${PV_MAJOR_MINOR#[0-9]*[.]}
410 PV_MINOR=${PV_MINOR%%[.][0-9]*}
411 if [ "$PV_MAJOR" -lt "1" ] || [ "$PV_MINOR" -lt "8" ]
413 step_msg "pandoc $PV_MAJOR.$PV_MINOR is too old. disabling"
418 if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ]
420 if [ ! -z "$CFG_ENABLE_PAX_FLAGS" -a -z "$CFG_PAXCTL" ]
422 err "enabled PaX markings but no paxctl binary found"
425 if [ -z "$CFG_DISABLE_PAX_FLAGS" ]
427 # GRSecurity/PaX detection. This can be very flaky.
430 # /dev/grsec only exists if CONFIG_GRKERNSEC_NO_RBAC is not set.
431 # /proc/sys/kernel/grsecurity is not available if ÇONFIG_GRKERNSEC_SYSCTL is not set.
432 if [ -e /dev/grsec -o -d /proc/sys/kernel/grsecurity ]
435 # /proc/config.gz is normally only available to root, and only if CONFIG_IKCONFIG_PROC has been set.
436 elif [ -r /proc/config.gz -a ! -z "$CFG_ZCAT" ]
438 if "$CFG_ZCAT" /proc/config.gz | grep --quiet "CONFIG_GRKERNSEC=y"
443 elif grep --quiet grsec /proc/version
448 if [ ! -z "$GRSEC_DETECTED" ]
450 step_msg "GRSecurity: yes"
451 if [ ! -z "$CFG_PAXCTL" ]
453 CFG_ENABLE_PAX_FLAGS=1
455 warn "GRSecurity kernel detected but no paxctl binary found: not setting CFG_ENABLE_PAX_FLAGS"
458 step_msg "GRSecurity: no"
463 if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ]
465 if [ ! -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc ]
467 err "no local rust to use"
469 LRV=`${CFG_LOCAL_RUST_ROOT}/bin/rustc --version`
470 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: " $LRV
474 # Force freebsd to build with clang; gcc doesn't like us there
475 if [ $CFG_OSTYPE = unknown-freebsd ]
477 step_msg "on FreeBSD, forcing use of clang"
479 putvar CFG_ENABLE_CLANG
483 if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
485 err "either clang or gcc is required"
488 if [ ! -z "$CFG_LLVM_ROOT" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
490 step_msg "using custom LLVM at $CFG_LLVM_ROOT"
492 LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
493 LLVM_VERSION=$($LLVM_CONFIG --version)
495 case $LLVM_VERSION in
496 (3.1svn|3.1|3.0svn|3.0)
497 msg "found ok version of LLVM: $LLVM_VERSION"
500 err "bad LLVM version: $LLVM_VERSION, need >=3.0svn"
505 if [ ! -z "$CFG_ENABLE_CLANG" ]
507 if [ -z "$CFG_CLANG" ]
509 err "clang requested but not found"
511 CFG_CLANG_VERSION=$("$CFG_CLANG" \
514 | sed 's/.*\(version .*\)/\1/' \
517 case $CFG_CLANG_VERSION in
518 (3.0svn | 3.0 | 3.1* | 3.2* | 4.0* | 4.1*)
519 step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
520 CFG_C_COMPILER="clang"
523 err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
530 # a little post-processing of various config values
532 CFG_PREFIX=${CFG_PREFIX%/}
533 CFG_TARGET_TRIPLES="$(echo $CFG_TARGET_TRIPLES | tr ',' ' ')"
534 case $CFG_TARGET_TRIPLES in
535 (*$CFG_HOST_TRIPLE*) ;;
536 (*) err "Host triple is not among the target triples." ;;
539 if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
541 err "either clang or gcc is required"
544 if [ ! -z "$CFG_PERF" ]
546 HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
547 if [ -z "$HAVE_PERF_LOGFD" ];
549 CFG_PERF_WITH_LOGFD=1
550 putvar CFG_PERF_WITH_LOGFD
554 step_msg "making directories"
557 doc doc/core doc/std \
564 for t in $CFG_TARGET_TRIPLES
570 for t in $CFG_TARGET_TRIPLES
576 for t in $CFG_TARGET_TRIPLES
580 isaac linenoise sync test arch/i386 arch/x86_64 \
581 libuv libuv/src/ares libuv/src/eio libuv/src/ev
587 # On windows we just store the libraries in the bin directory because
590 if [ "$CFG_OSTYPE" = "pc-mingw32" ]
595 for h in $CFG_TARGET_TRIPLES
597 for t in $CFG_TARGET_TRIPLES
602 make_dir $h/stage$i/bin
605 make_dir $h/stage$i/$CFG_LIBDIR
608 make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/bin
611 make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/$CFG_LIBDIR
615 make_dir $h/test/run-pass
616 make_dir $h/test/run-pass-fulldeps
617 make_dir $h/test/run-fail
618 make_dir $h/test/compile-fail
619 make_dir $h/test/bench
620 make_dir $h/test/perf
621 make_dir $h/test/pretty
622 make_dir $h/test/doc-tutorial
623 make_dir $h/test/doc-tutorial-ffi
624 make_dir $h/test/doc-tutorial-macros
625 make_dir $h/test/doc-tutorial-borrowed-ptr
626 make_dir $h/test/doc-tutorial-tasks
627 make_dir $h/test/doc-ref
630 # Configure submodules
631 step_msg "configuring submodules"
633 # Have to be in the top of src directory for this
634 if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ]
638 msg "git: submodule sync"
639 "${CFG_GIT}" submodule --quiet sync
641 msg "git: submodule update"
642 "${CFG_GIT}" submodule --quiet update --init
645 msg "git: submodule foreach sync"
646 "${CFG_GIT}" submodule --quiet foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
649 msg "git: submodule foreach update"
650 "${CFG_GIT}" submodule --quiet update --init --recursive
653 # NB: this is just for the sake of getting the submodule SHA1 values
654 # and status written into the build log.
655 msg "git: submodule status"
656 "${CFG_GIT}" submodule status --recursive
658 msg "git: submodule clobber"
659 "${CFG_GIT}" submodule --quiet foreach --recursive git clean -dxf
661 "${CFG_GIT}" submodule --quiet foreach --recursive git checkout .
667 # Configure llvm, only if necessary
668 step_msg "looking at LLVM"
669 CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
670 for t in $CFG_TARGET_TRIPLES
674 if [ -z $CFG_LLVM_ROOT ]
676 LLVM_BUILD_DIR=${CFG_BUILD_DIR}llvm/$t
677 if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
680 # Just use LLVM straight from its build directory to
681 # avoid 'make install' time
682 LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug+Asserts
684 LLVM_DBG_OPTS="--enable-optimized"
685 LLVM_INST_DIR=$LLVM_BUILD_DIR/Release+Asserts
688 msg "not reconfiguring LLVM, external LLVM root"
689 # The user is using their own LLVM
691 LLVM_INST_DIR=$CFG_LLVM_ROOT
696 if [ ${do_reconfigure} -ne 0 ]
698 # because git is hilarious, it might have put the module index
699 # in a couple places.
700 index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
701 index2="${CFG_SRC_DIR}src/llvm/.git/index"
702 for index in ${index1} ${index2}
704 config_status="${CFG_BUILD_DIR}llvm/$t/config.status"
705 if test -e ${index} -a \
706 -e ${config_status} -a \
707 ${config_status} -nt ${index}
709 msg "not reconfiguring LLVM, config.status is fresh"
715 if [ ${do_reconfigure} -ne 0 ]
717 msg "configuring LLVM for $t"
719 LLVM_TARGETS="--enable-targets=x86,x86_64,arm"
720 LLVM_BUILD="--build=$t"
721 LLVM_HOST="--host=$t"
722 LLVM_TARGET="--target=$t"
724 # Disable unused LLVM features
725 LLVM_OPTS="$LLVM_DBG_OPTS --disable-docs \
726 --enable-bindings=none --disable-threads \
729 if [ "$CFG_C_COMPILER" = "clang" ]
731 LLVM_CXX_32="clang++ -m32"
732 LLVM_CC_32="clang -m32"
734 LLVM_CXX_64="clang++"
737 LLVM_CXX_32="g++ -m32"
738 LLVM_CC_32="gcc -m32"
744 LLVM_CFLAGS_32="-m32"
745 LLVM_CXXFLAGS_32="-m32"
746 LLVM_LDFLAGS_32="-m32"
752 if echo $t | grep -q x86_64
754 LLVM_CXX=$LLVM_CXX_64
756 LLVM_CFLAGS=$LLVM_CFLAGS_64
757 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
758 LLVM_LDFLAGS=$LLVM_LDFLAGS_64
760 LLVM_CXX=$LLVM_CXX_32
762 LLVM_CFLAGS=$LLVM_CFLAGS_32
763 LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
764 LLVM_LDFLAGS=$LLVM_LDFLAGS_32
770 CXXFLAGS=$LLVM_CXXFLAGS
771 LDFLAGS=$LLVM_LDFLAGS
773 LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
774 $LLVM_HOST $LLVM_TARGET"
776 msg "configuring LLVM with:"
787 /* | [a-z]:* | [A-Z]:*)
788 ${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
791 ${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
795 need_ok "LLVM configure failed"
799 # Construct variables for LLVM build and install directories for
800 # each target. These will be named
801 # CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
802 # target_triple will be converted to underscore, because bash
803 # variables can't contain hyphens. The makefile will then have to
805 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
806 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
807 eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
808 eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
812 step_msg "writing configuration"
818 putvar CFG_CONFIGURE_ARGS
820 putvar CFG_TARGET_TRIPLES
821 putvar CFG_C_COMPILER
823 putvar CFG_DISABLE_MANAGE_SUBMODULES
825 if [ ! -z "$CFG_ENABLE_PAX_FLAGS" ]
827 putvar CFG_ENABLE_PAX_FLAGS
831 if [ ! -z $BAD_PANDOC ]
837 if head -n 1 ${CFG_SRC_DIR}src/snapshots.txt | grep -q '^T'
840 putvar CFG_IN_TRANSITION
843 # Valgrind is only reliable on Linux. On Windows it doesn't work at all, and
844 # on the Mac the dynamic linker causes Valgrind to emit a huge stream of
846 if [ $CFG_OSTYPE != unknown-linux-gnu ] && [ $CFG_OSTYPE != apple-darwin ]
849 putvar CFG_BAD_VALGRIND
853 putvar CFG_LLVM_SRC_DIR
855 for t in $CFG_TARGET_TRIPLES
857 CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
858 CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
859 putvar $CFG_LLVM_BUILD_DIR
860 putvar $CFG_LLVM_INST_DIR
863 # Munge any paths that appear in config.mk back to posix-y
864 perl -i.bak -p -e 's@ ([a-zA-Z]):[/\\]@ /\1/@go;' \
865 -e 's@\\@/@go;' config.tmp
869 copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile
870 move_if_changed config.tmp config.mk