#!/bin/sh # /bin/sh on Solaris is not a POSIX compatible shell, but /usr/bin/bash is. if [ `uname -s` = 'SunOS' -a "${POSIX_SHELL}" != "true" ]; then POSIX_SHELL="true" export POSIX_SHELL exec /usr/bin/env bash $0 "$@" fi unset POSIX_SHELL # clear it so if we invoke other scripts, they run as bash as well msg() { echo "configure: $*" } step_msg() { msg msg "$1" msg } warn() { echo "configure: WARNING: $1" } err() { echo "configure: error: $1" exit 1 } run() { msg "$@" "$@" } need_ok() { if [ $? -ne 0 ] then err "$1" fi } need_cmd() { if command -v $1 >/dev/null 2>&1 then msg "found program '$1'" else err "program '$1' is missing, please install it" fi } make_dir() { if [ ! -d $1 ] then run mkdir -p $1 fi } copy_if_changed() { if cmp -s $1 $2 then msg "leaving $2 unchanged" else run cp -f $1 $2 chmod u-w $2 # make copied artifact read-only fi } move_if_changed() { if cmp -s $1 $2 then msg "leaving $2 unchanged" else run mv -f $1 $2 chmod u-w $2 # make moved artifact read-only fi } putvar() { local T eval T=\$$1 eval TLEN=\${#$1} if [ $TLEN -gt 35 ] then printf "configure: %-20s := %.35s ...\n" $1 "$T" else printf "configure: %-20s := %s %s\n" $1 "$T" "$2" fi printf "%-20s := %s\n" $1 "$T" >>config.tmp } putpathvar() { local T eval T=\$$1 eval TLEN=\${#$1} if [ $TLEN -gt 35 ] then printf "configure: %-20s := %.35s ...\n" $1 "$T" else printf "configure: %-20s := %s %s\n" $1 "$T" "$2" fi if [ -z "$T" ] then printf "%-20s := \n" $1 >>config.tmp else printf "%-20s := \"%s\"\n" $1 "$T" >>config.tmp fi } probe() { local V=$1 shift local P local T for P do T=$(command -v $P 2>&1) if [ $? -eq 0 ] then VER0=$($P --version 2>/dev/null \ | grep -o '[vV]\?[0-9][0-9.][a-z0-9.-]*' | head -1 ) if [ $? -eq 0 -a "x${VER0}" != "x" ] then VER="($VER0)" else VER="" fi break else VER="" T="" fi done eval $V=\$T putpathvar $V "$VER" } probe_need() { probe $* local V=$1 shift eval VV=\$$V if [ -z "$VV" ] then err "$V needed, but unable to find any of: $*" fi } validate_opt () { for arg in $CFG_CONFIGURE_ARGS do isArgValid=0 for option in $BOOL_OPTIONS do if test --disable-$option = $arg then isArgValid=1 fi if test --enable-$option = $arg then isArgValid=1 fi done for option in $VAL_OPTIONS do if echo "$arg" | grep -q -- "--$option=" then isArgValid=1 fi done if [ "$arg" = "--help" ] then echo echo "No more help available for Configure options," echo "check the Wiki or join our IRC channel" break else if test $isArgValid -eq 0 then err "Option '$arg' is not recognized" fi fi done } # `valopt OPTION_NAME DEFAULT DOC` extracts a string-valued option # from command line, using provided default value for the option if # not present, and saves it to the generated config.mk. # # `valopt_nosave` is much the same, except that it does not save the # result to config.mk (instead the script should use `putvar` itself # later on to save it). `valopt_core` is the core upon which the # other two are built. valopt_core() { VAL_OPTIONS="$VAL_OPTIONS $2" local SAVE=$1 local OP=$2 local DEFAULT=$3 shift shift shift local DOC="$*" if [ $HELP -eq 0 ] then local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_') local V="CFG_${UOP}" local V_PROVIDED="${V}_PROVIDED" eval $V="$DEFAULT" for arg in $CFG_CONFIGURE_ARGS do if echo "$arg" | grep -q -- "--$OP=" then val=$(echo "$arg" | cut -f2 -d=) eval $V=$val eval $V_PROVIDED=1 fi done if [ "$SAVE" = "save" ] then putvar $V fi else if [ -z "$DEFAULT" ] then DEFAULT="<none>" fi OP="${OP}=[${DEFAULT}]" printf " --%-30s %s\n" "$OP" "$DOC" fi } valopt_nosave() { valopt_core nosave "$@" } valopt() { valopt_core save "$@" } # `opt OPTION_NAME DEFAULT DOC` extracts a boolean-valued option from # command line, using the provided default value (0/1) for the option # if not present, and saves it to the generated config.mk. # # `opt_nosave` is much the same, except that it does not save the # result to config.mk (instead the script should use `putvar` itself # later on to save it). `opt_core` is the core upon which the other # two are built. opt_core() { BOOL_OPTIONS="$BOOL_OPTIONS $2" local SAVE=$1 local OP=$2 local DEFAULT=$3 shift shift shift local DOC="$*" local FLAG="" if [ $DEFAULT -eq 0 ] then FLAG="enable" DEFAULT_FLAG="disable" else FLAG="disable" DEFAULT_FLAG="enable" DOC="don't $DOC" fi if [ $HELP -eq 0 ] then for arg in $CFG_CONFIGURE_ARGS do if [ "$arg" = "--${FLAG}-${OP}" ] then OP=$(echo $OP | tr 'a-z-' 'A-Z_') FLAG=$(echo $FLAG | tr 'a-z' 'A-Z') local V="CFG_${FLAG}_${OP}" local V_PROVIDED="CFG_${FLAG}_${OP}_PROVIDED" eval $V=1 eval $V_PROVIDED=1 if [ "$SAVE" = "save" ] then putvar $V fi elif [ "$arg" = "--${DEFAULT_FLAG}-${OP}" ] then OP=$(echo $OP | tr 'a-z-' 'A-Z_') DEFAULT_FLAG=$(echo $DEFAULT_FLAG | tr 'a-z' 'A-Z') local V_PROVIDED="CFG_${DEFAULT_FLAG}_${OP}_PROVIDED" eval $V_PROVIDED=1 fi done else if [ -n "$META" ] then OP="$OP=<$META>" fi printf " --%-30s %s\n" "$FLAG-$OP" "$DOC" fi } opt_nosave() { opt_core nosave "$@" } opt() { opt_core save "$@" } envopt() { local NAME=$1 local V="CFG_${NAME}" eval VV=\$$V # If configure didn't set a value already, then check environment. # # (It is recommended that the configure script always check the # environment before setting any values to envopt variables; see # e.g. how CFG_CC is handled, where it first checks `-z "$CC"`, # and issues msg if it ends up employing that provided value.) if [ -z "$VV" ] then eval $V=\$$NAME eval VV=\$$V fi # If script or environment provided a value, save it. if [ -n "$VV" ] then putvar $V fi } enable_if_not_disabled() { local OP=$1 local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_') local ENAB_V="CFG_ENABLE_$UOP" local EXPLICITLY_DISABLED="CFG_DISABLE_${UOP}_PROVIDED" eval VV=\$$EXPLICITLY_DISABLED if [ -z "$VV" ]; then eval $ENAB_V=1 fi } to_gnu_triple() { case $1 in i686-pc-windows-gnu) echo i686-w64-mingw32 ;; x86_64-pc-windows-gnu) echo x86_64-w64-mingw32 ;; *) echo $1 ;; esac } # Prints the absolute path of a directory to stdout abs_path() { local _path="$1" # Unset CDPATH because it causes havok: it makes the destination unpredictable # and triggers 'cd' to print the path to stdout. Route `cd`'s output to /dev/null # for good measure. (unset CDPATH && cd "$_path" > /dev/null && pwd) } HELP=0 for arg; do case "$arg" in --help) HELP=1;; esac done msg "looking for configure programs" need_cmd cmp need_cmd mkdir need_cmd printf need_cmd cut need_cmd head need_cmd grep need_cmd xargs need_cmd cp need_cmd find need_cmd uname need_cmd date need_cmd tr need_cmd sed need_cmd file need_cmd make CFG_SRC_DIR="$(abs_path $(dirname $0))/" CFG_SRC_DIR_RELATIVE="$(dirname $0)/" CFG_BUILD_DIR="$(pwd)/" CFG_SELF="$0" CFG_CONFIGURE_ARGS="$@" case "${CFG_SRC_DIR}" in *\ * ) err "The path to the rust source directory contains spaces, which is not supported" ;; *) ;; esac OPTIONS="" if [ "$HELP" -eq 1 ] then echo echo "Usage: $CFG_SELF [options]" echo echo "Options:" echo else msg "recreating config.tmp" echo '' >config.tmp step_msg "processing $CFG_SELF args" fi BOOL_OPTIONS="" VAL_OPTIONS="" opt debug 0 "debug mode; disables optimization unless \`--enable-optimize\` given" opt valgrind 0 "run tests with valgrind (memcheck by default)" opt helgrind 0 "run tests with helgrind instead of memcheck" opt valgrind-rpass 1 "run rpass-valgrind tests with valgrind" opt docs 1 "build standard library documentation" opt compiler-docs 0 "build compiler documentation" opt optimize-tests 1 "build tests with optimizations" opt debuginfo-tests 0 "build tests with debugger metadata" opt quiet-tests 0 "enable quieter output when running tests" opt libcpp 1 "build llvm with libc++ instead of libstdc++ when using clang" opt llvm-assertions 0 "build LLVM with assertions" opt debug-assertions 0 "build with debugging assertions" opt fast-make 0 "use .gitmodules as timestamp for submodule deps" opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds" opt sccache 0 "invoke gcc/clang via sccache to reuse object files between builds" opt local-rust 0 "use an installed rustc rather than downloading a snapshot" 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" opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM" opt llvm-link-shared 0 "prefer shared linking to LLVM (llvm-config --link-shared)" opt llvm-clean-rebuild 0 "delete LLVM build directory on rebuild" opt rpath 1 "build rpaths into rustc itself" opt stage0-landing-pads 1 "enable landing pads during bootstrap with stage0" # This is used by the automation to produce single-target nightlies opt dist-host-only 0 "only install bins for the host architecture" opt inject-std-version 1 "inject the current compiler version of libstd into programs" opt llvm-version-check 1 "check if the LLVM version is supported, build anyway" opt codegen-tests 1 "run the src/test/codegen tests" opt option-checking 1 "complain about unrecognized options in this configure script" opt ninja 0 "build LLVM using the Ninja generator (for MSVC, requires building in the correct environment)" opt locked-deps 0 "force Cargo.lock to be up to date" opt vendor 0 "enable usage of vendored Rust crates" opt sanitizers 0 "build the sanitizer runtimes (asan, lsan, msan, tsan)" opt dist-src 1 "when building tarballs enables building a source tarball" opt cargo-openssl-static 0 "static openssl in cargo" # Optimization and debugging options. These may be overridden by the release channel, etc. opt_nosave optimize 1 "build optimized rust code" opt_nosave optimize-cxx 1 "build optimized C++ code" opt_nosave optimize-llvm 1 "build optimized LLVM" opt_nosave llvm-assertions 0 "build LLVM with assertions" opt_nosave debug-assertions 0 "build with debugging assertions" opt_nosave llvm-release-debuginfo 0 "build LLVM with debugger metadata" opt_nosave debuginfo 0 "build with debugger metadata" opt_nosave debuginfo-lines 0 "build with line number debugger metadata" opt_nosave debuginfo-only-std 0 "build only libstd with debugging information" opt_nosave debug-jemalloc 0 "build jemalloc with --enable-debug --enable-fill" valopt localstatedir "/var/lib" "local state directory" valopt sysconfdir "/etc" "install system configuration files" valopt datadir "${CFG_PREFIX}/share" "install data" valopt infodir "${CFG_PREFIX}/share/info" "install additional info" valopt llvm-root "" "set LLVM root" valopt python "" "set path to python" valopt jemalloc-root "" "set directory where libjemalloc_pic.a is located" valopt build "" "GNUs ./configure syntax LLVM build triple" valopt android-cross-path "" "Android NDK standalone path (deprecated)" valopt i686-linux-android-ndk "" "i686-linux-android NDK standalone path" valopt arm-linux-androideabi-ndk "" "arm-linux-androideabi NDK standalone path" valopt armv7-linux-androideabi-ndk "" "armv7-linux-androideabi NDK standalone path" valopt aarch64-linux-android-ndk "" "aarch64-linux-android NDK standalone path" valopt x86_64-linux-android-ndk "" "x86_64-linux-android NDK standalone path" valopt nacl-cross-path "" "NaCl SDK path (Pepper Canary is recommended). Must be absolute!" valopt musl-root "/usr/local" "MUSL root installation directory (deprecated)" valopt musl-root-x86_64 "" "x86_64-unknown-linux-musl install directory" valopt musl-root-i686 "" "i686-unknown-linux-musl install directory" valopt musl-root-arm "" "arm-unknown-linux-musleabi install directory" valopt musl-root-armhf "" "arm-unknown-linux-musleabihf install directory" valopt musl-root-armv7 "" "armv7-unknown-linux-musleabihf install directory" valopt extra-filename "" "Additional data that is hashed and passed to the -C extra-filename flag" valopt qemu-armhf-rootfs "" "rootfs in qemu testing, you probably don't want to use this" if [ -e ${CFG_SRC_DIR}.git ] then valopt release-channel "dev" "the name of the release channel to build" else # If we have no git directory then we are probably a tarball distribution # and should default to stable channel - Issue 28322 probe CFG_GIT git msg "git: no git directory. Changing default release channel to stable" valopt release-channel "stable" "the name of the release channel to build" fi # Used on systems where "cc" and "ar" are unavailable valopt default-linker "cc" "the default linker" valopt default-ar "ar" "the default ar" # Many of these are saved below during the "writing configuration" step # (others are conditionally saved). opt_nosave manage-submodules 1 "let the build manage the git submodules" opt_nosave clang 0 "prefer clang to gcc for building the runtime" opt_nosave jemalloc 1 "build liballoc with jemalloc" opt full-bootstrap 0 "build three compilers instead of two" opt extended 0 "build an extended rust tool set" valopt_nosave prefix "/usr/local" "set installation prefix" valopt_nosave local-rust-root "/usr/local" "set prefix for local rust binary" valopt_nosave host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples" valopt_nosave target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples" valopt_nosave mandir "${CFG_PREFIX}/share/man" "install man pages in PATH" valopt_nosave docdir "${CFG_PREFIX}/share/doc/rust" "install documentation in PATH" valopt_nosave bindir "${CFG_PREFIX}/bin" "install binaries" # On Windows this determines root of the subtree for target libraries. # Host runtime libs always go to 'bin'. valopt libdir "${CFG_PREFIX}/lib" "install libraries" case "$CFG_LIBDIR" in "$CFG_PREFIX"/*) CAT_INC=2;; "$CFG_PREFIX"*) CAT_INC=1;; *) err "libdir must begin with the prefix. Use --prefix to set it accordingly.";; esac CFG_LIBDIR_RELATIVE=`echo ${CFG_LIBDIR} | cut -c$((${#CFG_PREFIX}+${CAT_INC}))-` if [ $HELP -eq 1 ] then echo exit 0 fi # Validate Options if [ -z "$CFG_DISABLE_OPTION_CHECKING" ] then step_msg "validating $CFG_SELF args" validate_opt fi # Validate the release channel, and configure options case "$CFG_RELEASE_CHANNEL" in nightly ) msg "overriding settings for $CFG_RELEASE_CHANNEL" enable_if_not_disabled llvm-assertions # FIXME(stage0) re-enable this on the next stage0 now that #35566 is # fixed case "$CFG_BUILD" in *-pc-windows-gnu) ;; *) CFG_ENABLE_DEBUGINFO_LINES=1 CFG_ENABLE_DEBUGINFO_ONLY_STD=1 ;; esac ;; beta | stable) msg "overriding settings for $CFG_RELEASE_CHANNEL" case "$CFG_BUILD" in *-pc-windows-gnu) ;; *) CFG_ENABLE_DEBUGINFO_LINES=1 CFG_ENABLE_DEBUGINFO_ONLY_STD=1 ;; esac ;; dev) ;; *) err "release channel must be 'dev', 'nightly', 'beta' or 'stable'" ;; esac # Adjust perf and debug options for debug mode if [ -n "$CFG_ENABLE_DEBUG" ]; then msg "debug mode enabled, setting performance options" if [ -z "$CFG_ENABLE_OPTIMIZE_PROVIDED" ]; then msg "optimization not explicitly enabled, disabling optimization" CFG_DISABLE_OPTIMIZE=1 CFG_DISABLE_OPTIMIZE_CXX=1 fi # Set following variables to 1 unless setting already provided enable_if_not_disabled debug-assertions enable_if_not_disabled debug-jemalloc enable_if_not_disabled debuginfo enable_if_not_disabled llvm-assertions fi # OK, now write the debugging options if [ -n "$CFG_DISABLE_OPTIMIZE" ]; then putvar CFG_DISABLE_OPTIMIZE; fi if [ -n "$CFG_DISABLE_OPTIMIZE_CXX" ]; then putvar CFG_DISABLE_OPTIMIZE_CXX; fi if [ -n "$CFG_DISABLE_OPTIMIZE_LLVM" ]; then putvar CFG_DISABLE_OPTIMIZE_LLVM; fi if [ -n "$CFG_ENABLE_LLVM_ASSERTIONS" ]; then putvar CFG_ENABLE_LLVM_ASSERTIONS; fi if [ -n "$CFG_ENABLE_DEBUG_ASSERTIONS" ]; then putvar CFG_ENABLE_DEBUG_ASSERTIONS; fi if [ -n "$CFG_ENABLE_LLVM_RELEASE_DEBUGINFO" ]; then putvar CFG_ENABLE_LLVM_RELEASE_DEBUGINFO; fi if [ -n "$CFG_ENABLE_DEBUGINFO" ]; then putvar CFG_ENABLE_DEBUGINFO; fi if [ -n "$CFG_ENABLE_DEBUGINFO_LINES" ]; then putvar CFG_ENABLE_DEBUGINFO_LINES; fi if [ -n "$CFG_ENABLE_DEBUGINFO_ONLY_STD" ]; then putvar CFG_ENABLE_DEBUGINFO_ONLY_STD; fi if [ -n "$CFG_ENABLE_DEBUG_JEMALLOC" ]; then putvar CFG_ENABLE_DEBUG_JEMALLOC; fi step_msg "looking for build programs" probe_need CFG_CURL curl if [ -z "$CFG_PYTHON_PROVIDED" ]; then probe_need CFG_PYTHON python2.7 python2 python fi python_version=$($CFG_PYTHON -V 2>&1) if [ $(echo $python_version | grep -c '^Python 2\.7') -ne 1 ]; then err "Found $python_version, but Python 2.7 is required" fi # the valgrind rpass tests will fail if you don't have a valgrind, but they're # only disabled if you opt out. if [ -z "$CFG_VALGRIND" ] then # If the user has explicitly asked for valgrind tests, then fail if [ -n "$CFG_ENABLE_VALGRIND" ] && [ -n "$CFG_ENABLE_VALGRIND_PROVIDED" ] then err "No valgrind present, but valgrind tests explicitly requested" else CFG_DISABLE_VALGRIND_RPASS=1 putvar CFG_DISABLE_VALGRIND_RPASS fi fi # Do some sanity checks if running on buildbot # (these env vars are set by rust-buildbot) if [ -n "$RUST_DIST_SERVER" -a -n "$ALLOW_NONZERO_RLIMIT_CORE" ]; then # Frequently the llvm submodule directory is broken by the build # being killed llvm_lock="${CFG_SRC_DIR}/.git/modules/src/llvm/index.lock" if [ -e "$llvm_lock" ]; then step_msg "removing $llvm_lock" rm -f "$llvm_lock" fi fi BIN_SUF= if [ "$CFG_OSTYPE" = "pc-windows-gnu" ] || [ "$CFG_OSTYPE" = "pc-windows-msvc" ] then BIN_SUF=.exe fi # --enable-local-rebuild implies --enable-local-rust too if [ -n "$CFG_ENABLE_LOCAL_REBUILD" ] then if [ -z "$CFG_ENABLE_LOCAL_RUST" ] then CFG_ENABLE_LOCAL_RUST=1 putvar CFG_ENABLE_LOCAL_RUST fi fi if [ -n "$CFG_ENABLE_LOCAL_RUST" ] then system_rustc=$(which rustc) if [ -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ] then : # everything already configured elif [ -n "$system_rustc" ] then # we assume that rustc is in a /bin directory CFG_LOCAL_RUST_ROOT=${system_rustc%/bin/rustc} else err "no local rust to use" fi CMD="${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF}" LRV=`LD_LIBRARY_PATH=${CFG_LOCAL_RUST_ROOT}/lib $CMD --version` if [ $? -ne 0 ] then step_msg "failure while running $CMD --version" exit 1 fi step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV" putvar CFG_LOCAL_RUST_ROOT fi # Same with jemalloc. save the setting here. if [ -n "$CFG_DISABLE_JEMALLOC" ] then putvar CFG_DISABLE_JEMALLOC fi # All safeguards based on $CFG_ENABLE_CLANG should occur before this # point in the script; after this point, script logic should inspect # $CFG_USING_CLANG rather than $CFG_ENABLE_CLANG. # Set CFG_{CC,CXX,CPP,CFLAGS,CXXFLAGS,LDFLAGS} envopt CC envopt CXX envopt CPP envopt CFLAGS envopt CXXFLAGS envopt LDFLAGS # a little post-processing of various config values CFG_PREFIX=${CFG_PREFIX%/} CFG_MANDIR=${CFG_MANDIR%/} CFG_DOCDIR=${CFG_DOCDIR%/} CFG_BINDIR=${CFG_BINDIR%/} CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')" CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')" # copy build-triples to host-triples so that builds are a subset of hosts V_TEMP="" for i in $CFG_BUILD $CFG_HOST; do echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i" done CFG_HOST=$V_TEMP # copy host-triples to target-triples so that hosts are a subset of targets V_TEMP="" for i in $CFG_HOST $CFG_TARGET; do echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i" done CFG_TARGET=$V_TEMP step_msg "writing configuration" putvar CFG_SRC_DIR putvar CFG_SRC_DIR_RELATIVE putvar CFG_BUILD_DIR putvar CFG_OSTYPE putvar CFG_CPUTYPE putvar CFG_CONFIGURE_ARGS putvar CFG_PREFIX putvar CFG_HOST putvar CFG_TARGET putvar CFG_LIBDIR_RELATIVE putvar CFG_DISABLE_MANAGE_SUBMODULES putvar CFG_AARCH64_LINUX_ANDROID_NDK putvar CFG_ARM_LINUX_ANDROIDEABI_NDK putvar CFG_ARMV7_LINUX_ANDROIDEABI_NDK putvar CFG_I686_LINUX_ANDROID_NDK putvar CFG_X86_64_LINUX_ANDROID_NDK putvar CFG_NACL_CROSS_PATH putvar CFG_MANDIR putvar CFG_DOCDIR putvar CFG_BINDIR putvar CFG_USING_LIBCPP msg copy_if_changed ${CFG_SRC_DIR}src/bootstrap/mk/Makefile.in ./Makefile move_if_changed config.tmp config.mk rm -f config.tmp touch config.stamp if [ -z "$CFG_ENABLE_DEBUG" ]; then step_msg "configured in release mode. for development consider --enable-debug" else step_msg "complete" fi if [ "$CFG_SRC_DIR" = `pwd` ]; then X_PY=x.py else X_PY=${CFG_SRC_DIR_RELATIVE}x.py fi msg "run \`python ${X_PY} --help\`" msg