rust/configure

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2011-03-16 17:17:32 +01:00
#!/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
}
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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
}
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 [ $HELP -eq 0 ]
then
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local UOP=$(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" "$DOC"
fi
}
msg "looking for configure programs"
need_cmd cmp
need_cmd mkdir
need_cmd printf
need_cmd cut
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need_cmd head
need_cmd grep
need_cmd xargs
need_cmd cp
need_cmd find
need_cmd uname
need_cmd date
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need_cmd tr
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need_cmd sed
need_cmd file
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msg "inspecting environment"
CFG_OSTYPE=$(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.
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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
;;
# 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
;;
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x86_64 | x86-64 | x64 | amd64)
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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 [ $? != 0 ]; then
CFG_CPUTYPE=i686
fi
fi
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DEFAULT_BUILD="${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 $CFG_SELF args"
fi
BOOL_OPTIONS=""
VAL_OPTIONS=""
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opt valgrind 0 "run tests with valgrind (memcheck by default)"
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opt helgrind 0 "run tests with helgrind instead of memcheck"
opt docs 1 "build documentation"
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opt optimize 1 "build optimized rust code"
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opt optimize-cxx 1 "build optimized C++ code"
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opt optimize-llvm 1 "build optimized LLVM"
opt optimize-tests 1 "build tests with optimizations"
opt llvm-assertions 1 "build LLVM with assertions"
opt debug 1 "build with extra debug fun"
opt ratchet-bench 0 "ratchet benchmarks"
opt fast-make 0 "use .gitmodules as timestamp for submodule deps"
opt manage-submodules 1 "let the build manage the git submodules"
opt mingw-cross 0 "cross-compile for win32 using mingw"
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opt clang 0 "prefer clang to gcc for building the runtime"
opt ccache 0 "invoke gcc/clang via ccache to reuse object files between builds"
opt local-rust 0 "use an installed rustc rather than downloading a snapshot"
opt pax-flags 0 "apply PaX flags to rustc binaries (required for GRSecurity/PaX-patched kernels)"
valopt prefix "/usr/local" "set installation prefix"
valopt local-rust-root "/usr/local" "set prefix for local rust binary"
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valopt llvm-root "" "set LLVM root"
valopt android-cross-path "/opt/ndk_standalone" "Android NDK standalone path"
valopt mingw32-cross-path "" "MinGW32 cross compiler path"
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valopt build "${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"
Add generation of static libraries to rustc This commit implements the support necessary for generating both intermediate and result static rust libraries. This is an implementation of my thoughts in https://mail.mozilla.org/pipermail/rust-dev/2013-November/006686.html. When compiling a library, we still retain the "lib" option, although now there are "rlib", "staticlib", and "dylib" as options for crate_type (and these are stackable). The idea of "lib" is to generate the "compiler default" instead of having too choose (although all are interchangeable). For now I have left the "complier default" to be a dynamic library for size reasons. Of the rust libraries, lib{std,extra,rustuv} will bootstrap with an rlib/dylib pair, but lib{rustc,syntax,rustdoc,rustpkg} will only be built as a dynamic object. I chose this for size reasons, but also because you're probably not going to be embedding the rustc compiler anywhere any time soon. Other than the options outlined above, there are a few defaults/preferences that are now opinionated in the compiler: * If both a .dylib and .rlib are found for a rust library, the compiler will prefer the .rlib variant. This is overridable via the -Z prefer-dynamic option * If generating a "lib", the compiler will generate a dynamic library. This is overridable by explicitly saying what flavor you'd like (rlib, staticlib, dylib). * If no options are passed to the command line, and no crate_type is found in the destination crate, then an executable is generated With this change, you can successfully build a rust program with 0 dynamic dependencies on rust libraries. There is still a dynamic dependency on librustrt, but I plan on removing that in a subsequent commit. This change includes no tests just yet. Our current testing infrastructure/harnesses aren't very amenable to doing flavorful things with linking, so I'm planning on adding a new mode of testing which I believe belongs as a separate commit. Closes #552
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valopt libdir "${CFG_PREFIX}/lib" "install libraries"
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# Validate Options
step_msg "validating $CFG_SELF args"
validate_opt
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if [ $HELP -eq 1 ]
then
echo
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exit 0
fi
step_msg "looking for build programs"
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probe_need CFG_PERL perl
probe_need CFG_CURLORWGET curl wget
probe_need CFG_PYTHON python2.7 python2.6 python2 python
python_version=$($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 ${CFG_SRC_DIR}.git ]
then
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probe CFG_GIT git
msg "git: no git directory. disabling submodules"
CFG_DISABLE_MANAGE_SUBMODULES=1
else
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probe_need CFG_GIT git
fi
probe CFG_CLANG clang++
probe CFG_CCACHE ccache
probe CFG_GCC gcc
probe CFG_LD ld
probe CFG_VALGRIND valgrind
probe CFG_PERF perf
probe CFG_ISCC iscc
probe CFG_LLNEXTGEN LLnextgen
probe CFG_PANDOC pandoc
probe CFG_PDFLATEX pdflatex
probe CFG_XETEX xetex
probe CFG_LUATEX luatex
probe CFG_NODE nodejs node
probe CFG_GDB gdb
if [ "$CFG_OSTYPE" = "unknown-linux-gnu" ]
then
probe CFG_PAXCTL paxctl /sbin/paxctl
probe CFG_ZCAT zcat
fi
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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 [ $CFG_OSTYPE = "pc-mingw32" ]
then
BIN_SUF=.exe
fi
if [ ! -z "$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 "$CFG_GCC" ]
then
err "either clang or gcc is required"
fi
if [ ! -z "$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
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(3.3|3.3svn|3.2|3.2svn)
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msg "found ok version of LLVM: $LLVM_VERSION"
;;
(*)
err "bad LLVM version: $LLVM_VERSION, need >=3.0svn"
;;
esac
fi
if [ ! -z "$CFG_ENABLE_CLANG" ]
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then
if [ -z "$CFG_CLANG" ]
then
err "clang requested but not found"
fi
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CFG_CLANG_VERSION=$("$CFG_CLANG" \
--version \
| grep version \
| sed 's/.*\(version .*\)/\1/; s/.*based on \(LLVM .*\))/\1/' \
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| cut -d ' ' -f 2)
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case $CFG_CLANG_VERSION in
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(3.0svn | 3.0 | 3.1* | 3.2* | 3.3* | 3.4* )
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step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
CFG_C_COMPILER="clang"
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;;
(*)
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err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
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;;
esac
else
CFG_C_COMPILER="gcc"
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fi
if [ ! -z "$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%/}
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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)"
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# copy host-triples to target-triples so that hosts are a subset of targets
V_TEMP=""
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for i in $CFG_HOST $CFG_TARGET;
do
echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
done
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CFG_TARGET=$V_TEMP
# check target-specific tool-chains
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for i in $CFG_TARGET
do
L_CHECK=false
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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
;;
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arm-apple-darwin)
if [ $CFG_OSTYPE != apple-darwin ]
then
err "The iOS target is only supported on Mac OS X"
fi
;;
*)
;;
esac
done
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if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
then
err "either clang or gcc is required"
fi
if [ ! -z "$CFG_PERF" ]
then
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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"
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for i in \
doc doc/std doc/extra \
dl tmp
do
make_dir $i
done
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for t in $CFG_HOST
do
make_dir $t/llvm
done
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for t in $CFG_HOST
do
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make_dir $t/rustllvm
done
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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/$i
done
done
done
# On windows we just store the libraries in the bin directory because
# there's no rpath
# FIXME: Thise needs to parameterized over target triples. Do it in platform.mk
CFG_LIBDIR=lib
if [ "$CFG_OSTYPE" = "pc-mingw32" ]
then
CFG_LIBDIR=bin
fi
for h in $CFG_HOST
do
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for t in $CFG_TARGET
do
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for i in 0 1 2 3
do
# host bin dir
make_dir $h/stage$i/bin
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# host lib dir
make_dir $h/stage$i/$CFG_LIBDIR
# host test dir
make_dir $h/stage$i/test
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# target bin dir
make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/bin
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# target lib dir
make_dir $h/stage$i/$CFG_LIBDIR/rustc/$t/$CFG_LIBDIR
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done
done
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make_dir $h/test/run-pass
make_dir $h/test/run-pass-fulldeps
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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
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make_dir $h/test/debug-info
make_dir $h/test/codegen
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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-container
make_dir $h/test/doc-tutorial-tasks
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make_dir $h/test/doc-tutorial-conditions
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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"
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msg "git: submodule foreach update"
"${CFG_GIT}" submodule update --init --recursive
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need_ok "git failed"
# NB: this is just for the sake of getting the submodule SHA1 values
# and status written into the build log.
msg "git: submodule status"
"${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/
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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
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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
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if [ ${do_reconfigure} -ne 0 ]
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then
# because git is hilarious, it might have put the module index
# in a couple places.
index1="${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
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fi
if [ ${do_reconfigure} -ne 0 ]
then
msg "configuring LLVM for $t"
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LLVM_TARGETS="--enable-targets=x86,x86_64,arm,mips"
LLVM_BUILD="--build=$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="$LLVM_OPTS --disable-zlib --disable-libffi"
# pthreads works badly on mingw-w64 systems: #8996
case "$CFG_BUILD" in
(*w64-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"
;;
("clang")
LLVM_CXX_32="clang++ -m32"
LLVM_CC_32="clang -m32"
LLVM_CXX_64="clang++"
LLVM_CC_64="clang"
;;
("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 $CFG_BUILD_DIR
fi
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# Construct variables for LLVM build and install directories for
# each target. These will be named
# CFG_LLVM_BUILD_DIR_${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'"
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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
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putvar CFG_BUILD
putvar CFG_HOST
putvar CFG_TARGET
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putvar CFG_C_COMPILER
putvar CFG_LIBDIR
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putvar CFG_DISABLE_MANAGE_SUBMODULES
putvar CFG_ANDROID_CROSS_PATH
putvar CFG_MINGW32_CROSS_PATH
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putvar CFG_MANDIR
# 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
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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
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for t in $CFG_HOST
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do
CFG_LLVM_BUILD_DIR=$(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
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# 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
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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"