3 # /bin/sh on Solaris is not a POSIX compatible shell, but /usr/bin/bash is.
4 if [ `uname -s` = 'SunOS' -a "${POSIX_SHELL}" != "true" ]; then
7 exec /usr/bin/env bash $0 "$@"
9 unset POSIX_SHELL # clear it so if we invoke other scripts, they run as bash as well
22 echo "configure: WARNING: $1"
26 echo "configure: error: $1"
43 if command -v $1 >/dev/null 2>&1
44 then msg "found program '$1'"
45 else err "program '$1' is missing, please install it"
59 msg "leaving $2 unchanged"
62 chmod u-w $2 # make copied artifact read-only
69 msg "leaving $2 unchanged"
72 chmod u-w $2 # make moved artifact read-only
82 printf "configure: %-20s := %.35s ...\n" $1 "$T"
84 printf "configure: %-20s := %s %s\n" $1 "$T" "$2"
86 printf "%-20s := %s\n" $1 "$T" >>config.tmp
95 printf "configure: %-20s := %.35s ...\n" $1 "$T"
97 printf "configure: %-20s := %s %s\n" $1 "$T" "$2"
101 printf "%-20s := \n" $1 >>config.tmp
103 printf "%-20s := \"%s\"\n" $1 "$T" >>config.tmp
114 T=$(command -v $P 2>&1)
117 VER0=$($P --version 2>/dev/null \
118 | grep -o '[vV]\?[0-9][0-9.][a-z0-9.-]*' | head -1 )
119 if [ $? -eq 0 -a "x${VER0}" != "x" ]
142 err "$V needed, but unable to find any of: $*"
147 for arg in $CFG_CONFIGURE_ARGS
150 for option in $BOOL_OPTIONS
152 if test --disable-$option = $arg
156 if test --enable-$option = $arg
161 for option in $VAL_OPTIONS
163 if echo "$arg" | grep -q -- "--$option="
168 if [ "$arg" = "--help" ]
171 echo "No more help available for Configure options,"
172 echo "check the Wiki or join our IRC channel"
175 if test $isArgValid -eq 0
177 err "Option '$arg' is not recognized"
183 # `valopt OPTION_NAME DEFAULT DOC` extracts a string-valued option
184 # from command line, using provided default value for the option if
185 # not present, and saves it to the generated config.mk.
187 # `valopt_nosave` is much the same, except that it does not save the
188 # result to config.mk (instead the script should use `putvar` itself
189 # later on to save it). `valopt_core` is the core upon which the
190 # other two are built.
193 VAL_OPTIONS="$VAL_OPTIONS $2"
204 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
206 local V_PROVIDED="${V}_PROVIDED"
208 for arg in $CFG_CONFIGURE_ARGS
210 if echo "$arg" | grep -q -- "--$OP="
212 val=$(echo "$arg" | cut -f2 -d=)
217 if [ "$SAVE" = "save" ]
226 OP="${OP}=[${DEFAULT}]"
227 printf " --%-30s %s\n" "$OP" "$DOC"
232 valopt_core nosave "$@"
236 valopt_core save "$@"
239 # `opt OPTION_NAME DEFAULT DOC` extracts a boolean-valued option from
240 # command line, using the provided default value (0/1) for the option
241 # if not present, and saves it to the generated config.mk.
243 # `opt_nosave` is much the same, except that it does not save the
244 # result to config.mk (instead the script should use `putvar` itself
245 # later on to save it). `opt_core` is the core upon which the other
249 BOOL_OPTIONS="$BOOL_OPTIONS $2"
260 if [ $DEFAULT -eq 0 ]
263 DEFAULT_FLAG="disable"
266 DEFAULT_FLAG="enable"
272 for arg in $CFG_CONFIGURE_ARGS
274 if [ "$arg" = "--${FLAG}-${OP}" ]
276 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
277 FLAG=$(echo $FLAG | tr 'a-z' 'A-Z')
278 local V="CFG_${FLAG}_${OP}"
279 local V_PROVIDED="CFG_${FLAG}_${OP}_PROVIDED"
282 if [ "$SAVE" = "save" ]
286 elif [ "$arg" = "--${DEFAULT_FLAG}-${OP}" ]
288 OP=$(echo $OP | tr 'a-z-' 'A-Z_')
289 DEFAULT_FLAG=$(echo $DEFAULT_FLAG | tr 'a-z' 'A-Z')
290 local V_PROVIDED="CFG_${DEFAULT_FLAG}_${OP}_PROVIDED"
299 printf " --%-30s %s\n" "$FLAG-$OP" "$DOC"
313 local V="CFG_${NAME}"
316 # If configure didn't set a value already, then check environment.
318 # (It is recommended that the configure script always check the
319 # environment before setting any values to envopt variables; see
320 # e.g. how CFG_CC is handled, where it first checks `-z "$CC"`,
321 # and issues msg if it ends up employing that provided value.)
328 # If script or environment provided a value, save it.
335 enable_if_not_disabled() {
337 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
338 local ENAB_V="CFG_ENABLE_$UOP"
339 local EXPLICITLY_DISABLED="CFG_DISABLE_${UOP}_PROVIDED"
340 eval VV=\$$EXPLICITLY_DISABLED
341 if [ -z "$VV" ]; then
348 i686-pc-windows-gnu) echo i686-w64-mingw32 ;;
349 x86_64-pc-windows-gnu) echo x86_64-w64-mingw32 ;;
354 # Prints the absolute path of a directory to stdout
357 # Unset CDPATH because it causes havok: it makes the destination unpredictable
358 # and triggers 'cd' to print the path to stdout. Route `cd`'s output to /dev/null
360 (unset CDPATH && cd "$_path" > /dev/null && pwd)
370 msg "looking for configure programs"
387 CFG_SRC_DIR="$(abs_path $(dirname $0))/"
388 CFG_SRC_DIR_RELATIVE="$(dirname $0)/"
389 CFG_BUILD_DIR="$(pwd)/"
391 CFG_CONFIGURE_ARGS="$@"
394 case "${CFG_SRC_DIR}" in
396 err "The path to the rust source directory contains spaces, which is not supported"
407 echo "Usage: $CFG_SELF [options]"
412 msg "recreating config.tmp"
415 step_msg "processing $CFG_SELF args"
421 opt debug 0 "debug mode; disables optimization unless \`--enable-optimize\` given"
422 opt valgrind 0 "run tests with valgrind (memcheck by default)"
423 opt helgrind 0 "run tests with helgrind instead of memcheck"
424 opt valgrind-rpass 1 "run rpass-valgrind tests with valgrind"
425 opt docs 1 "build standard library documentation"
426 opt compiler-docs 0 "build compiler documentation"
427 opt optimize-tests 1 "build tests with optimizations"
428 opt debuginfo-tests 0 "build tests with debugger metadata"
429 opt quiet-tests 0 "enable quieter output when running tests"
430 opt libcpp 1 "build llvm with libc++ instead of libstdc++ when using clang"
431 opt llvm-assertions 0 "build LLVM with assertions"
432 opt debug-assertions 0 "build with debugging assertions"
433 opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
434 opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
435 opt sccache 0 "invoke gcc/clang via sccache to reuse object files between builds"
436 opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
437 opt local-rebuild 0 "assume local-rust matches the current version, for rebuilds; implies local-rust, and is implied if local-rust already matches the current version"
438 opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
439 opt llvm-link-shared 0 "prefer shared linking to LLVM (llvm-config --link-shared)"
440 opt llvm-clean-rebuild 0 "delete LLVM build directory on rebuild"
441 opt rpath 1 "build rpaths into rustc itself"
442 opt stage0-landing-pads 1 "enable landing pads during bootstrap with stage0"
443 # This is used by the automation to produce single-target nightlies
444 opt dist-host-only 0 "only install bins for the host architecture"
445 opt inject-std-version 1 "inject the current compiler version of libstd into programs"
446 opt llvm-version-check 1 "check if the LLVM version is supported, build anyway"
447 opt codegen-tests 1 "run the src/test/codegen tests"
448 opt save-analysis 0 "save API analysis data"
449 opt option-checking 1 "complain about unrecognized options in this configure script"
450 opt ninja 0 "build LLVM using the Ninja generator (for MSVC, requires building in the correct environment)"
451 opt locked-deps 0 "force Cargo.lock to be up to date"
452 opt vendor 0 "enable usage of vendored Rust crates"
453 opt sanitizers 0 "build the sanitizer runtimes (asan, lsan, msan, tsan)"
454 opt dist-src 1 "when building tarballs enables building a source tarball"
455 opt cargo-openssl-static 0 "static openssl in cargo"
457 # Optimization and debugging options. These may be overridden by the release channel, etc.
458 opt_nosave optimize 1 "build optimized rust code"
459 opt_nosave optimize-cxx 1 "build optimized C++ code"
460 opt_nosave optimize-llvm 1 "build optimized LLVM"
461 opt_nosave llvm-assertions 0 "build LLVM with assertions"
462 opt_nosave debug-assertions 0 "build with debugging assertions"
463 opt_nosave llvm-release-debuginfo 0 "build LLVM with debugger metadata"
464 opt_nosave debuginfo 0 "build with debugger metadata"
465 opt_nosave debuginfo-lines 0 "build with line number debugger metadata"
466 opt_nosave debuginfo-only-std 0 "build only libstd with debugging information"
467 opt_nosave debug-jemalloc 0 "build jemalloc with --enable-debug --enable-fill"
469 valopt localstatedir "/var/lib" "local state directory"
470 valopt sysconfdir "/etc" "install system configuration files"
472 valopt datadir "${CFG_PREFIX}/share" "install data"
473 valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
474 valopt llvm-root "" "set LLVM root"
475 valopt python "" "set path to python"
476 valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located"
477 valopt build "" "GNUs ./configure syntax LLVM build triple"
478 valopt android-cross-path "" "Android NDK standalone path (deprecated)"
479 valopt i686-linux-android-ndk "" "i686-linux-android NDK standalone path"
480 valopt arm-linux-androideabi-ndk "" "arm-linux-androideabi NDK standalone path"
481 valopt armv7-linux-androideabi-ndk "" "armv7-linux-androideabi NDK standalone path"
482 valopt aarch64-linux-android-ndk "" "aarch64-linux-android NDK standalone path"
483 valopt nacl-cross-path "" "NaCl SDK path (Pepper Canary is recommended). Must be absolute!"
484 valopt musl-root "/usr/local" "MUSL root installation directory (deprecated)"
485 valopt musl-root-x86_64 "" "x86_64-unknown-linux-musl install directory"
486 valopt musl-root-i686 "" "i686-unknown-linux-musl install directory"
487 valopt musl-root-arm "" "arm-unknown-linux-musleabi install directory"
488 valopt musl-root-armhf "" "arm-unknown-linux-musleabihf install directory"
489 valopt musl-root-armv7 "" "armv7-unknown-linux-musleabihf install directory"
490 valopt extra-filename "" "Additional data that is hashed and passed to the -C extra-filename flag"
491 valopt qemu-armhf-rootfs "" "rootfs in qemu testing, you probably don't want to use this"
493 if [ -e ${CFG_SRC_DIR}.git ]
495 valopt release-channel "dev" "the name of the release channel to build"
497 # If we have no git directory then we are probably a tarball distribution
498 # and should default to stable channel - Issue 28322
500 msg "git: no git directory. Changing default release channel to stable"
501 valopt release-channel "stable" "the name of the release channel to build"
504 # Used on systems where "cc" and "ar" are unavailable
505 valopt default-linker "cc" "the default linker"
506 valopt default-ar "ar" "the default ar"
508 # Many of these are saved below during the "writing configuration" step
509 # (others are conditionally saved).
510 opt_nosave manage-submodules 1 "let the build manage the git submodules"
511 opt_nosave clang 0 "prefer clang to gcc for building the runtime"
512 opt_nosave jemalloc 1 "build liballoc with jemalloc"
513 opt elf-tls 1 "elf thread local storage on platforms where supported"
514 opt full-bootstrap 0 "build three compilers instead of two"
515 opt extended 0 "build an extended rust tool set"
517 valopt_nosave prefix "/usr/local" "set installation prefix"
518 valopt_nosave local-rust-root "/usr/local" "set prefix for local rust binary"
519 valopt_nosave host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
520 valopt_nosave target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
521 valopt_nosave mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
522 valopt_nosave docdir "${CFG_PREFIX}/share/doc/rust" "install documentation in PATH"
524 # On Windows this determines root of the subtree for target libraries.
525 # Host runtime libs always go to 'bin'.
526 valopt libdir "${CFG_PREFIX}/lib" "install libraries"
528 case "$CFG_LIBDIR" in
529 "$CFG_PREFIX"/*) CAT_INC=2;;
530 "$CFG_PREFIX"*) CAT_INC=1;;
532 err "libdir must begin with the prefix. Use --prefix to set it accordingly.";;
535 CFG_LIBDIR_RELATIVE=`echo ${CFG_LIBDIR} | cut -c$((${#CFG_PREFIX}+${CAT_INC}))-`
544 if [ -z "$CFG_DISABLE_OPTION_CHECKING" ]
546 step_msg "validating $CFG_SELF args"
550 # Validate the release channel, and configure options
551 case "$CFG_RELEASE_CHANNEL" in
553 msg "overriding settings for $CFG_RELEASE_CHANNEL"
554 enable_if_not_disabled llvm-assertions
555 # FIXME(stage0) re-enable this on the next stage0 now that #35566 is
561 CFG_ENABLE_DEBUGINFO_LINES=1
562 CFG_ENABLE_DEBUGINFO_ONLY_STD=1
568 msg "overriding settings for $CFG_RELEASE_CHANNEL"
573 CFG_ENABLE_DEBUGINFO_LINES=1
574 CFG_ENABLE_DEBUGINFO_ONLY_STD=1
581 err "release channel must be 'dev', 'nightly', 'beta' or 'stable'"
585 # Adjust perf and debug options for debug mode
586 if [ -n "$CFG_ENABLE_DEBUG" ]; then
587 msg "debug mode enabled, setting performance options"
588 if [ -z "$CFG_ENABLE_OPTIMIZE_PROVIDED" ]; then
589 msg "optimization not explicitly enabled, disabling optimization"
590 CFG_DISABLE_OPTIMIZE=1
591 CFG_DISABLE_OPTIMIZE_CXX=1
594 # Set following variables to 1 unless setting already provided
595 enable_if_not_disabled debug-assertions
596 enable_if_not_disabled debug-jemalloc
597 enable_if_not_disabled debuginfo
598 enable_if_not_disabled llvm-assertions
601 # OK, now write the debugging options
602 if [ -n "$CFG_DISABLE_OPTIMIZE" ]; then putvar CFG_DISABLE_OPTIMIZE; fi
603 if [ -n "$CFG_DISABLE_OPTIMIZE_CXX" ]; then putvar CFG_DISABLE_OPTIMIZE_CXX; fi
604 if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then putvar CFG_DISABLE_OPTIMIZE_LLVM; fi
605 if [ -n "$CFG_ENABLE_LLVM_ASSERTIONS" ]; then putvar CFG_ENABLE_LLVM_ASSERTIONS; fi
606 if [ -n "$CFG_ENABLE_DEBUG_ASSERTIONS" ]; then putvar CFG_ENABLE_DEBUG_ASSERTIONS; fi
607 if [ -n "$CFG_ENABLE_LLVM_RELEASE_DEBUGINFO" ]; then putvar CFG_ENABLE_LLVM_RELEASE_DEBUGINFO; fi
608 if [ -n "$CFG_ENABLE_DEBUGINFO" ]; then putvar CFG_ENABLE_DEBUGINFO; fi
609 if [ -n "$CFG_ENABLE_DEBUGINFO_LINES" ]; then putvar CFG_ENABLE_DEBUGINFO_LINES; fi
610 if [ -n "$CFG_ENABLE_DEBUGINFO_ONLY_STD" ]; then putvar CFG_ENABLE_DEBUGINFO_ONLY_STD; fi
611 if [ -n "$CFG_ENABLE_DEBUG_JEMALLOC" ]; then putvar CFG_ENABLE_DEBUG_JEMALLOC; fi
613 step_msg "looking for build programs"
615 probe_need CFG_CURL curl
616 if [ -z "$CFG_PYTHON_PROVIDED" ]; then
617 probe_need CFG_PYTHON python2.7 python2 python
620 python_version=$($CFG_PYTHON -V 2>&1)
621 if [ $(echo $python_version | grep -c '^Python 2\.7') -ne 1 ]; then
622 err "Found $python_version, but Python 2.7 is required"
625 # the valgrind rpass tests will fail if you don't have a valgrind, but they're
626 # only disabled if you opt out.
627 if [ -z "$CFG_VALGRIND" ]
629 # If the user has explicitly asked for valgrind tests, then fail
630 if [ -n "$CFG_ENABLE_VALGRIND" ] && [ -n "$CFG_ENABLE_VALGRIND_PROVIDED" ]
632 err "No valgrind present, but valgrind tests explicitly requested"
634 CFG_DISABLE_VALGRIND_RPASS=1
635 putvar CFG_DISABLE_VALGRIND_RPASS
639 # Do some sanity checks if running on buildbot
640 # (these env vars are set by rust-buildbot)
641 if [ -n "$RUST_DIST_SERVER" -a -n "$ALLOW_NONZERO_RLIMIT_CORE" ]; then
642 # Frequently the llvm submodule directory is broken by the build
644 llvm_lock="${CFG_SRC_DIR}/.git/modules/src/llvm/index.lock"
645 if [ -e "$llvm_lock" ]; then
646 step_msg "removing $llvm_lock"
652 if [ "$CFG_OSTYPE" = "pc-windows-gnu" ] || [ "$CFG_OSTYPE" = "pc-windows-msvc" ]
657 # --enable-local-rebuild implies --enable-local-rust too
658 if [ -n "$CFG_ENABLE_LOCAL_REBUILD" ]
660 if [ -z "$CFG_ENABLE_LOCAL_RUST" ]
662 CFG_ENABLE_LOCAL_RUST=1
663 putvar CFG_ENABLE_LOCAL_RUST
667 if [ -n "$CFG_ENABLE_LOCAL_RUST" ]
669 system_rustc=$(which rustc)
670 if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
672 : # everything already configured
673 elif [ -n "$system_rustc" ]
675 # we assume that rustc is in a /bin directory
676 CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc}
678 err "no local rust to use"
681 CMD="${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF}"
682 LRV=`LD_LIBRARY_PATH=${CFG_LOCAL_RUST_ROOT}/lib $CMD --version`
685 step_msg "failure while running $CMD --version"
688 step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
689 putvar CFG_LOCAL_RUST_ROOT
692 # Same with jemalloc. save the setting here.
693 if [ -n "$CFG_DISABLE_JEMALLOC" ]
695 putvar CFG_DISABLE_JEMALLOC
698 # All safeguards based on $CFG_ENABLE_CLANG should occur before this
699 # point in the script; after this point, script logic should inspect
700 # $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG.
702 # Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS,LDFLAGS}
710 # a little post-processing of various config values
711 CFG_PREFIX=${CFG_PREFIX%/}
712 CFG_MANDIR=${CFG_MANDIR%/}
713 CFG_DOCDIR=${CFG_DOCDIR%/}
714 CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
715 CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
717 # copy build-triples to host-triples so that builds are a subset of hosts
719 for i in $CFG_BUILD $CFG_HOST;
721 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
725 # copy host-triples to target-triples so that hosts are a subset of targets
727 for i in $CFG_HOST $CFG_TARGET;
729 echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
733 step_msg "writing configuration"
736 putvar CFG_SRC_DIR_RELATIVE
740 putvar CFG_CONFIGURE_ARGS
744 putvar CFG_LIBDIR_RELATIVE
745 putvar CFG_DISABLE_MANAGE_SUBMODULES
746 putvar CFG_AARCH64_LINUX_ANDROID_NDK
747 putvar CFG_ARM_LINUX_ANDROIDEABI_NDK
748 putvar CFG_ARMV7_LINUX_ANDROIDEABI_NDK
749 putvar CFG_I686_LINUX_ANDROID_NDK
750 putvar CFG_NACL_CROSS_PATH
753 putvar CFG_USING_LIBCPP
756 copy_if_changed ${CFG_SRC_DIR}src/bootstrap/mk/Makefile.in ./Makefile
757 move_if_changed config.tmp config.mk
761 if [ -z "$CFG_ENABLE_DEBUG" ]; then
762 step_msg "configured in release mode. for development consider --enable-debug"
767 if [ "$CFG_SRC_DIR" = `pwd` ]; then
770 X_PY=${CFG_SRC_DIR_RELATIVE}x.py
773 msg "run \`python ${X_PY} --help\`"