#!/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
+script="$(dirname $0)"/src/bootstrap/configure.py
-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
+try() {
+ cmd=$1
shift
- local P
- local T
- for P
- do
- T=$(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 $ENAB_V=1
+ T=$($cmd --version 2>/dev/null)
+ if [ $? -eq 0 ]; then
+ exec $cmd "$script" "$@"
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"
-opt profiler 0 "build the profiler runtime"
-
-# 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"
-valopt qemu-aarch64-rootfs "" "rootfs in qemu testing, you probably don't want to use this"
-valopt experimental-targets "" "experimental LLVM targets to build"
-
-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 ${X_PY} --help\`"
-msg
+try python2.7 "$@"
+try python27 "$@"
+try python2 "$@"
+exec python $script "$@"