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rust/configure

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#!/bin/sh
msg() {
echo "configure: $1"
}
step_msg() {
msg
msg "$1"
msg
}
warn() {
echo "configure: WARNING: $1"
}
err() {
echo "configure: error: $1"
exit 1
}
need_ok() {
if [ $? -ne 0 ]
then
err "$1"
fi
}
need_cmd() {
if command -v $1 >/dev/null 2>&1
then msg "found $1"
else err "need $1"
fi
}
make_dir() {
if [ ! -d $1 ]
then
msg "mkdir -p $1"
mkdir -p $1
fi
}
copy_if_changed() {
if cmp -s $1 $2
then
msg "leaving $2 unchanged"
else
msg "cp $1 $2"
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
msg "mv $1 $2"
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
}
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 | head -1 \
| sed -e 's/[^0-9]*\([vV]\?[0-9.]\+[^ ]*\).*/\1/' )
if [ $? -eq 0 -a "x${VER0}" != "x" ]
then
VER="($VER0)"
else
VER=""
fi
break
else
VER=""
T=""
fi
done
eval $V=\$T
putvar $V "$VER"
}
probe_need() {
local V=$1
probe $*
eval VV=\$$V
if [ -z "$VV" ]
then
err "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() {
VAL_OPTIONS="$VAL_OPTIONS $1"
local OP=$1
local DEFAULT=$2
shift
shift
local DOC="$*"
if [ $HELP -eq 0 ]
then
local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
local V="CFG_${UOP}"
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
fi
done
putvar $V
else
if [ -z "$DEFAULT" ]
then
DEFAULT="<none>"
fi
OP="${OP}=[${DEFAULT}]"
printf " --%-30s %s\n" "$OP" "$DOC"
fi
}
opt() {
BOOL_OPTIONS="$BOOL_OPTIONS $1"
local OP=$1
local DEFAULT=$2
shift
shift
local DOC="$*"
local FLAG=""
if [ $DEFAULT -eq 0 ]
then
FLAG="enable"
else
FLAG="disable"
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}"
eval $V=1
putvar $V
fi
done
else
if [ ! -z "$META" ]
then
OP="$OP=<$META>"
fi
printf " --%-30s %s\n" "$FLAG-$OP" "$DOC"
fi
}
msg "looking for configure programs"
need_cmd cmp
need_cmd mkdir
need_cmd printf
need_cmd cut
need_cmd head
need_cmd grep
need_cmd xargs
need_cmd cp
need_cmd find
need_cmd uname
need_cmd date
need_cmd tr
need_cmd sed
need_cmd file
msg "inspecting environment"
CFG_OSTYPE=$(uname -s)
CFG_CPUTYPE=$(uname -m)
if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
then
# Darwin's `uname -s` lies and always returns i386. We have to use sysctl
# instead.
if sysctl hw.optional.x86_64 | grep -q ': 1'
then
CFG_CPUTYPE=x86_64
fi
fi
# The goal here is to come up with the same triple as LLVM would,
# at least for the subset of platforms we're willing to target.
case $CFG_OSTYPE in
Linux)
CFG_OSTYPE=unknown-linux-gnu
;;
FreeBSD)
CFG_OSTYPE=unknown-freebsd
;;
Darwin)
CFG_OSTYPE=apple-darwin
;;
MINGW32*)
CFG_OSTYPE=pc-mingw32
;;
MINGW64*)
# msys2, MSYSTEM=MINGW64
CFG_OSTYPE=w64-mingw32
;;
# Thad's Cygwin identifers below
# Vista 32 bit
CYGWIN_NT-6.0)
CFG_OSTYPE=pc-mingw32
CFG_CPUTYPE=i686
;;
# Vista 64 bit
CYGWIN_NT-6.0-WOW64)
CFG_OSTYPE=w64-mingw32
CFG_CPUTYPE=x86_64
;;
# Win 7 32 bit
CYGWIN_NT-6.1)
CFG_OSTYPE=pc-mingw32
CFG_CPUTYPE=i686
;;
# Win 7 64 bit
CYGWIN_NT-6.1-WOW64)
CFG_OSTYPE=w64-mingw32
CFG_CPUTYPE=x86_64
;;
# We do not detect other OS such as XP/2003 using 64 bit using uname.
# If we want to in the future, we will need to use Cygwin - Chuck's csih helper in /usr/lib/csih/winProductName.exe or alternative.
*)
err "unknown OS type: $CFG_OSTYPE"
;;
esac
case $CFG_CPUTYPE in
i386 | i486 | i686 | i786 | x86)
CFG_CPUTYPE=i686
;;
xscale | arm)
CFG_CPUTYPE=arm
;;
x86_64 | x86-64 | x64 | amd64)
CFG_CPUTYPE=x86_64
;;
*)
err "unknown CPU type: $CFG_CPUTYPE"
esac
# Detect 64 bit linux systems with 32 bit userland and force 32 bit compilation
if [ $CFG_OSTYPE = unknown-linux-gnu -a $CFG_CPUTYPE = x86_64 ]
then
file -L "$SHELL" | grep -q "x86[_-]64"
if [ $? != 0 ]; then
CFG_CPUTYPE=i686
fi
fi
DEFAULT_BUILD="${CFG_CPUTYPE}-${CFG_OSTYPE}"
CFG_SRC_DIR="$(cd $(dirname $0) && pwd)/"
CFG_BUILD_DIR="$(pwd)/"
CFG_SELF="$0"
CFG_CONFIGURE_ARGS="$@"
OPTIONS=""
HELP=0
if [ "$1" = "--help" ]
then
HELP=1
shift
echo
echo "Usage: $CFG_SELF [options]"
echo
echo "Options:"
echo
else
msg "recreating config.tmp"
echo '' >config.tmp
step_msg "processing $CFG_SELF args"
fi
BOOL_OPTIONS=""
VAL_OPTIONS=""
opt valgrind 0 "run tests with valgrind (memcheck by default)"
opt helgrind 0 "run tests with helgrind instead of memcheck"
opt docs 1 "build documentation"
opt optimize 1 "build optimized rust code"
opt optimize-cxx 1 "build optimized C++ code"
opt optimize-llvm 1 "build optimized LLVM"
opt optimize-tests 1 "build tests with optimizations"
opt llvm-assertions 1 "build LLVM with assertions"
opt debug 1 "build with extra debug fun"
opt ratchet-bench 0 "ratchet benchmarks"
opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
opt manage-submodules 1 "let the build manage the git submodules"
opt mingw-cross 0 "cross-compile for win32 using mingw"
opt clang 0 "prefer clang to gcc for building the runtime"
opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
opt pax-flags 0 "apply PaX flags to rustc binaries (required for GRSecurity/PaX-patched kernels)"
opt inject-std-version 1 "inject the current compiler version of libstd into programs"
opt llvm-static-stdcpp 0 "statically link to libstdc++ for LLVM"
opt rpath 1 "build rpaths into rustc itself"
opt nightly 0 "build nightly packages"
opt verify-install 1 "verify installed binaries work"
valopt prefix "/usr/local" "set installation prefix"
valopt local-rust-root "/usr/local" "set prefix for local rust binary"
valopt llvm-root "" "set LLVM root"
valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path"
valopt mingw32-cross-path "" "MinGW32 cross compiler path"
valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
valopt host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
valopt target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
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 mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
# On windows we just store the libraries in the bin directory because
# there's no rpath. This is where the build system itself puts libraries;
# --libdir is used to configure the installation directory.
# FIXME: Thise needs to parameterized over target triples. Do it in platform.mk
CFG_LIBDIR_RELATIVE=lib
if [ "$CFG_OSTYPE" = "pc-mingw32" ] || [ "$CFG_OSTYPE" = "w64-mingw32" ]
then
CFG_LIBDIR_RELATIVE=bin
fi
valopt libdir "${CFG_PREFIX}/${CFG_LIBDIR_RELATIVE}" "install libraries"
if [ $HELP -eq 1 ]
then
echo
exit 0
fi
# Validate Options
step_msg "validating $CFG_SELF args"
validate_opt
step_msg "looking for build programs"
probe_need CFG_PERL perl
probe_need CFG_CURLORWGET curl wget
probe_need CFG_PYTHON python2.7 python2.6 python2 python
python_version=$($CFG_PYTHON -V 2>&1)
if [ $(echo $python_version | grep -c '^Python 2\.[4567]') -ne 1 ]; then
err "Found $python_version, but LLVM requires Python 2.4-2.7"
fi
# If we have no git directory then we are probably a tarball distribution
# and shouldn't attempt to load submodules
if [ ! -e ${CFG_SRC_DIR}.git ]
then
probe CFG_GIT git
msg "git: no git directory. disabling submodules"
CFG_DISABLE_MANAGE_SUBMODULES=1
else
probe_need CFG_GIT git
fi
probe CFG_CLANG clang++
probe CFG_CCACHE ccache
probe CFG_GCC gcc
probe CFG_LD ld
probe CFG_VALGRIND valgrind
probe CFG_PERF perf
probe CFG_ISCC iscc
probe CFG_LLNEXTGEN LLnextgen
probe CFG_PANDOC pandoc
probe CFG_PDFLATEX pdflatex
probe CFG_XELATEX xelatex
probe CFG_LUALATEX lualatex
probe CFG_GDB gdb
probe CFG_LLDB lldb
if [ ! -z "$CFG_LLDB" ]
then
# If CFG_LLDB_PYTHON_DIR is not already set from the outside and valid, try to read it from
# LLDB via the -P commandline options.
if [ -z "$CFG_LLDB_PYTHON_DIR" ] || [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
then
CFG_LLDB_PYTHON_DIR=$($CFG_LLDB -P)
# If CFG_LLDB_PYTHON_DIR is not a valid directory, set it to something more readable
if [ ! -d "$CFG_LLDB_PYTHON_DIR" ]
then
CFG_LLDB_PYTHON_DIR="LLDB_PYTHON_DIRECTORY_NOT_FOUND"
fi
putvar CFG_LLDB_PYTHON_DIR
fi
fi
if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ]
then
probe CFG_PAXCTL paxctl /sbin/paxctl
probe CFG_ZCAT zcat
fi
step_msg "looking for target specific programs"
probe CFG_ADB adb
if [ ! -z "$CFG_PANDOC" ]
then
PV_MAJOR_MINOR=$(pandoc --version | grep '^pandoc ' |
# extract the first 2 version fields, ignore everything else
sed 's/pandoc \([0-9]*\)\.\([0-9]*\).*/\1 \2/')
MIN_PV_MAJOR="1"
MIN_PV_MINOR="9"
# these patterns are shell globs, *not* regexps
PV_MAJOR=${PV_MAJOR_MINOR% *}
PV_MINOR=${PV_MAJOR_MINOR#* }
if [ "$PV_MAJOR" -lt "$MIN_PV_MAJOR" ] || [ "$PV_MINOR" -lt "$MIN_PV_MINOR" ]
then
step_msg "pandoc $PV_MAJOR.$PV_MINOR is too old. Need at least $MIN_PV_MAJOR.$MIN_PV_MINOR. Disabling"
BAD_PANDOC=1
fi
fi
if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ]
then
if [ ! -z "$CFG_ENABLE_PAX_FLAGS" -a -z "$CFG_PAXCTL" ]
then
err "enabled PaX markings but no paxctl binary found"
fi
if [ -z "$CFG_DISABLE_PAX_FLAGS" ]
then
# GRSecurity/PaX detection. This can be very flaky.
GRSEC_DETECTED=
# /dev/grsec only exists if CONFIG_GRKERNSEC_NO_RBAC is not set.
# /proc/sys/kernel/grsecurity is not available if ÇONFIG_GRKERNSEC_SYSCTL is not set.
if [ -e /dev/grsec -o -d /proc/sys/kernel/grsecurity ]
then
GRSEC_DETECTED=1
# /proc/config.gz is normally only available to root, and only if CONFIG_IKCONFIG_PROC has been set.
elif [ -r /proc/config.gz -a ! -z "$CFG_ZCAT" ]
then
if "$CFG_ZCAT" /proc/config.gz | grep --quiet "CONFIG_GRKERNSEC=y"
then
GRSEC_DETECTED=1
fi
# Flaky.
elif grep --quiet grsec /proc/version
then
GRSEC_DETECTED=1
fi
if [ ! -z "$GRSEC_DETECTED" ]
then
step_msg "GRSecurity: yes"
if [ ! -z "$CFG_PAXCTL" ]
then
CFG_ENABLE_PAX_FLAGS=1
else
warn "GRSecurity kernel detected but no paxctl binary found: not setting CFG_ENABLE_PAX_FLAGS"
fi
else
step_msg "GRSecurity: no"
fi
fi
fi
BIN_SUF=
if [ "$CFG_OSTYPE" = "pc-mingw32" ] || [ "$CFG_OSTYPE" = "w64-mingw32" ]
then
BIN_SUF=.exe
fi
if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ]
then
if [ ! -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} ]
then
err "no local rust to use"
else
LRV=`${CFG_LOCAL_RUST_ROOT}/bin/rustc${BIN_SUF} --version`
step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
fi
fi
# Force freebsd to build with clang; gcc doesn't like us there
if [ $CFG_OSTYPE = unknown-freebsd ]
then
step_msg "on FreeBSD, forcing use of clang"
CFG_ENABLE_CLANG=1
putvar CFG_ENABLE_CLANG
fi
if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
then
err "either clang or gcc is required"
fi
# OS X 10.9, gcc is actually clang. This can cause some confusion in the build
# system, so if we find that gcc is clang, we should just use clang directly.
if [ $CFG_OSTYPE = apple-darwin -a -z "$CFG_ENABLE_CLANG" ]
then
CFG_OSX_GCC_VERSION=$("$CFG_GCC" --version 2>&1 | grep "Apple LLVM version")
if [ $? -eq 0 ]
then
step_msg "on OS X 10.9, forcing use of clang"
CFG_ENABLE_CLANG=1
putvar CFG_ENABLE_CLANG
else
if [ $("$CFG_GCC" --version 2>&1 | grep -c ' 4\.[0-6]') -ne 0 ]; then
step_msg "older GCC found, using clang instead"
CFG_ENABLE_CLANG=1
putvar CFG_ENABLE_CLANG
else
# on OS X, with xcode 5 and newer, certain developers may have
# cc, gcc and g++ point to a mixture of clang and gcc
# if so, this will create very strange build errors
# this last stanza is to detect some such problems and save the future rust
# contributor some time solving that issue.
# this detection could be generalized to other OSes aside from OS X
# but the issue seems most likely to happen on OS X
chk_cc () {
$1 --version 2> /dev/null | grep -q $2
}
# check that gcc, cc and g++ all point to the same compiler.
# note that for xcode 5, g++ points to clang, not clang++
if !((chk_cc gcc clang && chk_cc g++ clang) ||
(chk_cc gcc gcc &&( chk_cc g++ g++ || chk g++ gcc))) then
err "the gcc and g++ in your path point to different compilers.
Check which versions are in your path with cc --version and g++ --version.
To resolve this problem, either fix your PATH or run configure with --enable-clang"
fi
fi
fi
fi
if [ ! -z "$CFG_LLVM_ROOT" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
then
step_msg "using custom LLVM at $CFG_LLVM_ROOT"
LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
LLVM_VERSION=$($LLVM_CONFIG --version)
case $LLVM_VERSION in
(3.[2-5]*)
msg "found ok version of LLVM: $LLVM_VERSION"
;;
(*)
err "bad LLVM version: $LLVM_VERSION, need >=3.0svn"
;;
esac
fi
if [ ! -z "$CFG_ENABLE_CLANG" ]
then
if [ -z "$CFG_CLANG" ]
then
err "clang requested but not found"
fi
CFG_CLANG_VERSION=$("$CFG_CLANG" \
--version \
| grep version \
| sed 's/.*\(version .*\)/\1/; s/.*based on \(LLVM .*\))/\1/' \
| cut -d ' ' -f 2)
case $CFG_CLANG_VERSION in
(3.0svn | 3.0 | 3.1* | 3.2* | 3.3* | 3.4* | 3.5* )
step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
CFG_C_COMPILER="clang"
;;
(*)
err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
;;
esac
else
CFG_C_COMPILER="gcc"
fi
if [ ! -z "$CFG_ENABLE_CCACHE" ]
then
if [ -z "$CFG_CCACHE" ]
then
err "ccache requested but not found"
fi
CFG_C_COMPILER="ccache $CFG_C_COMPILER"
fi
# a little post-processing of various config values
CFG_PREFIX=${CFG_PREFIX%/}
CFG_MANDIR=${CFG_MANDIR%/}
CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
CFG_SUPPORTED_TARGET="$(grep ^CC_*=* ${CFG_SRC_DIR}mk/platform.mk | sed -e 's/^CC_//' -e 's/\([^=]*\).*/\1/' | xargs)"
# 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
# check target-specific tool-chains
for i in $CFG_TARGET
do
L_CHECK=false
for j in $CFG_SUPPORTED_TARGET
do
if [ $i = $j ]
then
L_CHECK=true
fi
done
if [ $L_CHECK = false ]
then
err "unsupported target triples \"$i\" found"
fi
case $i in
arm-linux-androideabi)
if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc ]
then
err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-gcc not found"
fi
if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ ]
then
err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-g++ not found"
fi
if [ ! -f $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar ]
then
err "NDK $CFG_ANDROID_CROSS_PATH/bin/arm-linux-androideabi-ar not found"
fi
;;
arm-apple-darwin)
if [ $CFG_OSTYPE != apple-darwin ]
then
err "The iOS target is only supported on Mac OS X"
fi
;;
*)
;;
esac
done
if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
then
err "either clang or gcc is required"
fi
if [ ! -z "$CFG_PERF" ]
then
HAVE_PERF_LOGFD=`$CFG_PERF stat --log-fd 2>&1 | grep 'unknown option'`
if [ -z "$HAVE_PERF_LOGFD" ];
then
CFG_PERF_WITH_LOGFD=1
putvar CFG_PERF_WITH_LOGFD
fi
fi
step_msg "making directories"
for i in \
doc doc/std doc/extra \
dl tmp dist
do
make_dir $i
done
for t in $CFG_HOST
do
make_dir $t/llvm
done
for t in $CFG_HOST
do
make_dir $t/rustllvm
done
for t in $CFG_TARGET
do
make_dir $t/rt
for s in 0 1 2 3
do
make_dir $t/rt/stage$s
make_dir $t/rt/libuv
make_dir $t/rt/libuv/src/ares
make_dir $t/rt/libuv/src/eio
make_dir $t/rt/libuv/src/ev
for i in \
isaac sync test \
arch/i386 arch/x86_64 arch/arm arch/mips \
sundown/src sundown/html
do
make_dir $t/rt/stage$s/$i
done
done
done
for h in $CFG_HOST
do
for t in $CFG_TARGET
do
for i in 0 1 2 3
do
# host bin dir
make_dir $h/stage$i/bin
# host lib dir
make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE
# host test dir
make_dir $h/stage$i/test
# target bin dir
make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/bin
# target lib dir
make_dir $h/stage$i/$CFG_LIBDIR_RELATIVE/rustlib/$t/lib
done
done
make_dir $h/test/run-pass
make_dir $h/test/run-pass-fulldeps
make_dir $h/test/run-fail
make_dir $h/test/compile-fail
make_dir $h/test/compile-fail-fulldeps
make_dir $h/test/bench
make_dir $h/test/perf
make_dir $h/test/pretty
make_dir $h/test/debuginfo-gdb
make_dir $h/test/debuginfo-lldb
make_dir $h/test/codegen
make_dir $h/test/doc-tutorial
make_dir $h/test/doc-guide-ffi
make_dir $h/test/doc-guide-runtime
make_dir $h/test/doc-guide-macros
make_dir $h/test/doc-guide-lifetimes
make_dir $h/test/doc-guide-pointers
make_dir $h/test/doc-guide-container
make_dir $h/test/doc-guide-tasks
make_dir $h/test/doc-complement-cheatsheet
make_dir $h/test/doc-rust
done
# Configure submodules
step_msg "configuring submodules"
# Have to be in the top of src directory for this
if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ]
then
cd ${CFG_SRC_DIR}
msg "git: submodule sync"
"${CFG_GIT}" submodule sync
msg "git: submodule update"
"${CFG_GIT}" submodule update --init
need_ok "git failed"
msg "git: submodule foreach sync"
"${CFG_GIT}" submodule foreach --recursive 'if test -e .gitmodules; then git submodule sync; fi'
need_ok "git failed"
msg "git: submodule foreach update"
"${CFG_GIT}" submodule update --init --recursive
need_ok "git failed"
# NB: this is just for the sake of getting the submodule SHA1 values
# and status written into the build log.
msg "git: submodule status"
"${CFG_GIT}" submodule status --recursive
msg "git: submodule clobber"
"${CFG_GIT}" submodule foreach --recursive git clean -dxf
need_ok "git failed"
"${CFG_GIT}" submodule foreach --recursive git checkout .
need_ok "git failed"
cd ${CFG_BUILD_DIR}
fi
# Configure llvm, only if necessary
step_msg "looking at LLVM"
CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm/
for t in $CFG_HOST
do
do_reconfigure=1
if [ -z $CFG_LLVM_ROOT ]
then
LLVM_BUILD_DIR=${CFG_BUILD_DIR}$t/llvm
if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
then
LLVM_DBG_OPTS="--enable-debug-symbols --disable-optimized"
# Just use LLVM straight from its build directory to
# avoid 'make install' time
LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug
else
LLVM_DBG_OPTS="--enable-optimized"
LLVM_INST_DIR=$LLVM_BUILD_DIR/Release
fi
if [ ! -z "$CFG_DISABLE_LLVM_ASSERTIONS" ]
then
LLVM_ASSERTION_OPTS="--disable-assertions"
else
LLVM_ASSERTION_OPTS="--enable-assertions"
LLVM_INST_DIR=${LLVM_INST_DIR}+Asserts
fi
else
msg "not reconfiguring LLVM, external LLVM root"
# The user is using their own LLVM
LLVM_BUILD_DIR=
LLVM_INST_DIR=$CFG_LLVM_ROOT
do_reconfigure=0
fi
if [ ${do_reconfigure} -ne 0 ]
then
# because git is hilarious, it might have put the module index
# in a couple places.
index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
index2="${CFG_SRC_DIR}src/llvm/.git/index"
for index in ${index1} ${index2}
do
config_status="${LLVM_BUILD_DIR}/config.status"
if test -e ${index} -a \
-e ${config_status} -a \
${config_status} -nt ${index}
then
msg "not reconfiguring LLVM, config.status is fresh"
do_reconfigure=0
fi
done
fi
if [ ${do_reconfigure} -ne 0 ]
then
msg "configuring LLVM for $t"
LLVM_TARGETS="--enable-targets=x86,x86_64,arm,mips"
LLVM_BUILD="--build=$t"
LLVM_HOST="--host=$t"
LLVM_TARGET="--target=$t"
# Disable unused LLVM features
LLVM_OPTS="$LLVM_DBG_OPTS $LLVM_ASSERTION_OPTS --disable-docs --enable-bindings=none"
# Disable term-info, linkage of which comes in multiple forms,
# making our snapshots incompatible (#9334)
LLVM_OPTS="$LLVM_OPTS --disable-terminfo"
# Try to have LLVM pull in as few dependencies as possible (#9397)
LLVM_OPTS="$LLVM_OPTS --disable-zlib --disable-libffi"
# Use win32 native thread/lock apis instead of pthread wrapper.
# (llvm's configure tries to find pthread first, so we have to disable it explicitly.)
# Also note that pthreads works badly on mingw-w64 systems: #8996
case "$CFG_BUILD" in
(*-mingw32)
LLVM_OPTS="$LLVM_OPTS --disable-pthreads"
;;
esac
case "$CFG_C_COMPILER" in
("ccache clang")
LLVM_CXX_32="ccache clang++ -m32 -Qunused-arguments"
LLVM_CC_32="ccache clang -m32 -Qunused-arguments"
LLVM_CXX_64="ccache clang++ -Qunused-arguments"
LLVM_CC_64="ccache clang -Qunused-arguments"
LLVM_OPTS="$LLVM_OPTS --enable-libcpp"
;;
("clang")
LLVM_CXX_32="clang++ -m32 -Qunused-arguments"
LLVM_CC_32="clang -m32 -Qunused-arguments"
LLVM_CXX_64="clang++ -Qunused-arguments"
LLVM_CC_64="clang -Qunused-arguments"
LLVM_OPTS="$LLVM_OPTS --enable-libcpp"
;;
("ccache gcc")
LLVM_CXX_32="ccache g++ -m32"
LLVM_CC_32="ccache gcc -m32"
LLVM_CXX_64="ccache g++"
LLVM_CC_64="ccache gcc"
;;
("gcc")
LLVM_CXX_32="g++ -m32"
LLVM_CC_32="gcc -m32"
LLVM_CXX_64="g++"
LLVM_CC_64="gcc"
esac
LLVM_CFLAGS_32="-m32"
LLVM_CXXFLAGS_32="-m32"
LLVM_LDFLAGS_32="-m32"
LLVM_CFLAGS_64=""
LLVM_CXXFLAGS_64=""
LLVM_LDFLAGS_64=""
if echo $t | grep -q x86_64
then
LLVM_CXX=$LLVM_CXX_64
LLVM_CC=$LLVM_CC_64
LLVM_CFLAGS=$LLVM_CFLAGS_64
LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
LLVM_LDFLAGS=$LLVM_LDFLAGS_64
else
LLVM_CXX=$LLVM_CXX_32
LLVM_CC=$LLVM_CC_32
LLVM_CFLAGS=$LLVM_CFLAGS_32
LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
LLVM_LDFLAGS=$LLVM_LDFLAGS_32
fi
CXX=$LLVM_CXX
CC=$LLVM_CC
CFLAGS=$LLVM_CFLAGS
CXXFLAGS=$LLVM_CXXFLAGS
LDFLAGS=$LLVM_LDFLAGS
LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD \
$LLVM_HOST $LLVM_TARGET --with-python=$CFG_PYTHON"
msg "configuring LLVM with:"
msg "$LLVM_FLAGS"
export CXX
export CC
export CFLAGS
export CXXFLAGS
export LDFLAGS
cd $LLVM_BUILD_DIR
case $CFG_SRC_DIR in
/* | [a-z]:* | [A-Z]:*)
${CFG_LLVM_SRC_DIR}configure $LLVM_FLAGS
;;
*)
${CFG_BUILD_DIR}${CFG_LLVM_SRC_DIR}configure \
$LLVM_FLAGS
;;
esac
need_ok "LLVM configure failed"
cd $CFG_BUILD_DIR
fi
# Construct variables for LLVM build and install directories for
# each target. These will be named
# CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
# target_triple will be converted to underscore, because bash
# variables can't contain hyphens. The makefile will then have to
# convert back.
CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
done
step_msg "writing configuration"
putvar CFG_SRC_DIR
putvar CFG_BUILD_DIR
putvar CFG_OSTYPE
putvar CFG_CPUTYPE
putvar CFG_CONFIGURE_ARGS
putvar CFG_PREFIX
putvar CFG_BUILD
putvar CFG_HOST
putvar CFG_TARGET
putvar CFG_C_COMPILER
putvar CFG_LIBDIR
putvar CFG_LIBDIR_RELATIVE
putvar CFG_DISABLE_MANAGE_SUBMODULES
putvar CFG_ANDROID_CROSS_PATH
putvar CFG_MINGW32_CROSS_PATH
putvar CFG_MANDIR
putvar CFG_DISABLE_INJECT_STD_VERSION
# Avoid spurious warnings from clang by feeding it original source on
# ccache-miss rather than preprocessed input.
if [ ! -z "$CFG_ENABLE_CCACHE" ] && [ ! -z "$CFG_ENABLE_CLANG" ]
then
CFG_CCACHE_CPP2=1
putvar CFG_CCACHE_CPP2
fi
if [ ! -z "$CFG_ENABLE_CCACHE" ]
then
CFG_CCACHE_BASEDIR=${CFG_SRC_DIR}
putvar CFG_CCACHE_BASEDIR
fi
if [ ! -z $BAD_PANDOC ]
then
CFG_PANDOC=
putvar CFG_PANDOC
fi
# Valgrind is only reliable on Linux. On Windows it doesn't work at all, and
# on the Mac the dynamic linker causes Valgrind to emit a huge stream of
# errors.
if [ $CFG_OSTYPE != unknown-linux-gnu ] && [ $CFG_OSTYPE != apple-darwin ]
then
CFG_BAD_VALGRIND=1
putvar CFG_BAD_VALGRIND
fi
putvar CFG_LLVM_ROOT
putvar CFG_LLVM_SRC_DIR
for t in $CFG_HOST
do
CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
putvar $CFG_LLVM_BUILD_DIR
putvar $CFG_LLVM_INST_DIR
done
# Munge any paths that appear in config.mk back to posix-y
perl -i.bak -p -e 's@ ([a-zA-Z]):[/\\]@ /\1/@go;' \
-e 's@\\@/@go;' config.tmp
rm -f config.tmp.bak
msg
copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile
move_if_changed config.tmp config.mk
rm -f config.tmp
touch config.stamp
step_msg "complete"
msg "run \`make help\`"
msg
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