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executable file 746 lines (639 sloc) 17.321 kB
#!/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 which $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=$1
shift
local P
local T
for P
do
T=$(which $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
}
valopt() {
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() {
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" "$DOC"
fi
}
msg "looking for configure programs"
need_cmd cmp
need_cmd mkdir
need_cmd printf
need_cmd cut
need_cmd grep
need_cmd xargs
need_cmd cp
need_cmd find
need_cmd uname
need_cmd date
need_cmd tr
need_cmd sed
msg "inspecting environment"
CFG_OSTYPE=$(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
;;
*)
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: $CFG_CPUTYPE"
esac
DEFAULT_HOST_TRIPLE="${CFG_CPUTYPE}-${CFG_OSTYPE}"
CFG_SRC_DIR="$(cd $(dirname $0) && pwd)/"
CFG_BUILD_DIR="$(pwd)/"
CFG_SELF=${CFG_SRC_DIR}$(basename $0)
CFG_CONFIGURE_ARGS="$@"
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 $CFG_SELF args"
fi
opt sharedstd 1 "build libstd as a shared library"
opt valgrind 1 "run tests with valgrind (memcheck by default)"
opt helgrind 0 "run tests with helgrind instead of memcheck"
opt docs 1 "build documentation"
opt optimize 1 "build optimized rust code"
opt optimize-cxx 1 "build optimized C++ code"
opt optimize-llvm 1 "build optimized LLVM"
opt debug 0 "build with extra debug fun"
opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
opt manage-submodules 1 "let the build manage the git submodules"
opt mingw-cross 0 "cross-compile for win32 using mingw"
opt clang 0 "prefer clang to gcc for building the runtime"
opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
valopt prefix "/usr/local" "set installation prefix"
valopt local-rust-root "/usr/local" "set prefix for local rust binary"
valopt llvm-root "" "set LLVM root"
valopt host-triple "${DEFAULT_HOST_TRIPLE}" "LLVM host triple"
valopt target-triples "${CFG_HOST_TRIPLE}" "LLVM target triples"
if [ $HELP -eq 1 ]
then
echo ""
exit 0
fi
step_msg "looking for build programs"
probe_need CFG_PERL perl
probe_need CFG_CURL curl
probe_need CFG_PYTHON python2.7 python2.6 python2 python
python_version=$($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 ${CFG_SRC_DIR}.git ]
then
probe CFG_GIT git
msg "git: no git directory. disabling submodules"
CFG_DISABLE_MANAGE_SUBMODULES=1
else
probe_need CFG_GIT git
fi
probe CFG_CLANG clang++
probe CFG_GCC gcc
probe CFG_LD ld
probe CFG_LLVM_CONFIG llvm-config
probe CFG_VALGRIND valgrind
probe CFG_PERF perf
probe CFG_ISCC iscc
probe CFG_LLNEXTGEN LLnextgen
probe CFG_PANDOC pandoc
probe CFG_PDFLATEX pdflatex
probe CFG_XETEX xetex
probe CFG_LUATEX luatex
probe CFG_NODE nodejs node
if [ ! -z "$CFG_PANDOC" ]
then
PV=$(pandoc --version | awk '/^pandoc/ {print $2}')
if [ "$PV" \< "1.8" ]
then
step_msg "pandoc $PV is too old. disabling"
BAD_PANDOC=1
fi
fi
if [ ! -z "$CFG_ENABLE_LOCAL_RUST" ]
then
if [ ! -f ${CFG_LOCAL_RUST_ROOT}/bin/rustc ]
then
err "no local rust to use"
else
LRV=`${CFG_LOCAL_RUST_ROOT}/bin/rustc --version`
step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: " $LRV
fi
fi
if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
then
err "either clang or gcc is required"
fi
if [ ! -z "$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
(3.1svn|3.1|3.0svn|3.0)
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/' \
| cut -d ' ' -f 2)
case $CFG_CLANG_VERSION in
(3.0svn | 3.0 | 3.1 | 4.0 | 4.1)
step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
CFG_C_COMPILER="clang"
;;
(*)
err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
;;
esac
else
CFG_C_COMPILER="gcc"
fi
# a little post-processing of various config values
CFG_PREFIX=${CFG_PREFIX%/}
CFG_TARGET_TRIPLES="$(echo $CFG_TARGET_TRIPLES | tr ',' ' ')"
case $CFG_TARGET_TRIPLES in
(*$CFG_HOST_TRIPLE*) ;;
(*) err "Host triple is not among the target triples." ;;
esac
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/core doc/std \
dl tmp
do
make_dir $i
done
make_dir llvm
for t in $CFG_TARGET_TRIPLES
do
make_dir llvm/$t
done
make_dir rustllvm
for t in $CFG_TARGET_TRIPLES
do
make_dir rustllvm/$t
done
make_dir rt
for t in $CFG_TARGET_TRIPLES
do
make_dir rt/$t
for i in \
isaac bigint sync test arch/i386 arch/x86_64 \
libuv libuv/src/ares libuv/src/eio libuv/src/ev
do
make_dir rt/$t/$i
done
done
# On windows we just store the libraries in the bin directory because
# there's no rpath
CFG_LIBDIR=lib
if [ "$CFG_OSTYPE" = "pc-mingw32" ]
then
CFG_LIBDIR=bin
fi
for h in $CFG_TARGET_TRIPLES
do
for t in $CFG_TARGET_TRIPLES
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
# target bin dir
make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/bin
# target lib dir
make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/$CFG_LIBDIR
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/bench
make_dir $h/test/perf
make_dir $h/test/pretty
make_dir $h/test/doc-tutorial
make_dir $h/test/doc-tutorial-ffi
make_dir $h/test/doc-tutorial-macros
make_dir $h/test/doc-tutorial-borrowed-ptr
make_dir $h/test/doc-tutorial-tasks
make_dir $h/test/doc-ref
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 --quiet sync
# NB: this is just for the sake of getting the submodule SHA1 values
# and status written into the build log.
msg "git: submodule status"
"${CFG_GIT}" submodule status --recursive
msg "git: submodule update"
"${CFG_GIT}" submodule --quiet update --init --recursive
need_ok "git failed"
msg "git: submodule clobber"
"${CFG_GIT}" submodule --quiet foreach --recursive git clean -dxf
need_ok "git failed"
"${CFG_GIT}" submodule --quiet 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_TARGET_TRIPLES
do
do_reconfigure=1
if [ -z $CFG_LLVM_ROOT ]
then
LLVM_BUILD_DIR=${CFG_BUILD_DIR}llvm/$t
if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
then
LLVM_DBG_OPTS=""
# Just use LLVM straight from its build directory to
# avoid 'make install' time
LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug+Asserts
else
LLVM_DBG_OPTS="--enable-optimized"
LLVM_INST_DIR=$LLVM_BUILD_DIR/Release+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} ${index2}
do
config_status="${CFG_BUILD_DIR}llvm/$t/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 $t"
LLVM_TARGETS="--enable-targets=x86,x86_64"
LLVM_BUILD="--build=$t"
LLVM_HOST="--host=$t"
LLVM_TARGET="--target=$t"
# Disable unused LLVM features
LLVM_OPTS="$LLVM_DBG_OPTS --disable-docs \
--enable-bindings=none --disable-threads \
--disable-pthreads"
if [ "$CFG_C_COMPILER" = "clang" ]
then
LLVM_CXX_32="clang++ -m32"
LLVM_CC_32="clang -m32"
LLVM_CXX_64="clang++"
LLVM_CC_64="clang"
else
LLVM_CXX_32="g++ -m32"
LLVM_CC_32="gcc -m32"
LLVM_CXX_64="g++"
LLVM_CC_64="gcc"
fi
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 $LLVM_TARGET"
msg "configuring LLVM with:"
msg "$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_TARGET_TRIPLES
putvar CFG_C_COMPILER
putvar CFG_LIBDIR
putvar CFG_DISABLE_MANAGE_SUBMODULES
if [ ! -z $BAD_PANDOC ]
then
CFG_PANDOC=
putvar CFG_PANDOC
fi
if head -n 1 ${CFG_SRC_DIR}src/snapshots.txt | grep -q '^T'
then
CFG_IN_TRANSITION=1
putvar CFG_IN_TRANSITION
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 $CFG_TARGET_TRIPLES
do
CFG_LLVM_BUILD_DIR=$(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"
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