rust/configure

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#!/bin/sh
msg() {
echo "configure: $1"
}
step_msg() {
msg
msg "$1"
msg
}
err() {
echo "configure: error: $1"
exit 1
}
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() {
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msg "cp $1 $2"
cp $1 $2
}
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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\n" $1 "$T"
fi
printf "%-20s := %s\n" $1 "$T" >>config.mk
}
probe() {
local V=$1
local P=$2
local T
T=$(which $P 2>&1)
if [ $? -ne 0 ]
then
T=""
fi
eval $V=\$T
putvar $V
}
probe_need() {
local V=$1
local P=$2
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probe $V $P
eval VV=\$$V
if [ -z "$VV" ]
then
err "required program '$P' not found"
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" "$DOC"
fi
}
msg "looking for configure programs"
need_cmd mkdir
need_cmd printf
need_cmd cut
need_cmd grep
need_cmd xargs
need_cmd cp
need_cmd find
need_cmd uname
need_cmd date
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need_cmd tr
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need_cmd sed
msg "inspecting environment"
CFG_OSTYPE=$(uname -s)
CFG_CPUTYPE=$(uname -m)
if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
then
# Darwin's `uname -s` lies and always returns i386. We have to use sysctl
# instead.
if sysctl hw.optional.x86_64 | grep ': 1'
then
CFG_CPUTYPE=x86_64
fi
fi
CFG_SELF=$(echo $0 | tr '\\' '/')
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CFG_SRC_DIR=${CFG_SELF%${CFG_SELF##*/}}
CFG_BUILD_DIR=$(echo $PWD | tr '\\' '/')
CFG_CONFIGURE_ARGS="$@"
OPTIONS=""
HELP=0
if [ "$1" = "--help" ]
then
HELP=1
shift
echo ""
echo "Usage: $CFG_SELF [options]"
echo ""
echo "Options:"
echo ""
else
msg "recreating config.mk"
echo '' >config.mk
step_msg "processing $CFG_SELF args"
fi
opt valgrind 1 "run tests with valgrind"
opt docs 1 "build documentation"
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opt optimize 1 "build optimized rust code"
opt mingw-cross 0 "cross-compile for win32 using mingw"
if [ $HELP -eq 1 ]
then
echo ""
exit 0
fi
step_msg "making directories"
for i in \
doc \
rt rt/isaac rt/bigint rt/sync rt/test rt/arch/i386 \
rustllvm \
dl stage0 stage1 stage2 stage3 \
stage0/lib stage1/lib stage2/lib stage3/lib \
test/run-pass test/run-fail test/compile-fail \
test/bench/99-bottles test/bench/shootout
do
make_dir $i
done
step_msg "writing out basic parameters"
putvar CFG_SRC_DIR
putvar CFG_BUILD_DIR
putvar CFG_OSTYPE
putvar CFG_CPUTYPE
putvar CFG_CONFIGURE_ARGS
step_msg "looking for build programs"
probe_need CFG_PERL perl
probe_need CFG_PYTHON python
probe_need CFG_CURL curl
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probe CFG_GIT git
probe CFG_CLANG clang++
probe CFG_GCC gcc
probe CFG_LLVM_CONFIG llvm-config
probe CFG_VALGRIND valgrind
probe CFG_MAKEINFO makeinfo
probe CFG_TEXI2PDF texi2pdf
probe CFG_TEX tex
if [ -z "$CFG_CLANG" -a -z "$CFG_GCC" ]
then
err "either clang or gcc is required"
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 != Linux ] && [ $CFG_OSTYPE != Darwin ]
then
CFG_BAD_VALGRIND=1
putvar CFG_BAD_VALGRIND
fi
if [ ! -z "$CFG_LLVM_ROOT" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
then
CFG_LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
fi
if [ ! -z "$CFG_LLVM_ROOT" -a -z "$CFG_LLVM_CONFIG" ]
then
CFG_LLVM_INCDIR="$CFG_LLVM_ROOT/include"
CFG_LLVM_BINDIR="$CFG_LLVM_ROOT/bin"
CFG_LLVM_LIBDIR="$CFG_LLVM_ROOT/lib"
CFG_LLVM_CXXFLAGS="-I$CFG_LLVM_INCDIR"
CFG_LLVM_LDFLAGS=""
CFG_LLVM_LIBS=$(find "$CFG_LLVM_LIBDIR" \
-name '*.lib' \
-exec echo '\"{}\"' ';' \
| xargs echo)
CFG_LLVM_VERSION=$("$CFG_LLVM_BINDIR/llc" \
--version \
| grep version \
| cut -d ' ' -f 5-)
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CFG_LLVM_TRIPLE=$("$CFG_LLVM_BINDIR/llc" \
--version \
| grep Host: \
| cut -d ' ' -f 4-)
elif [ ! -z "$CFG_LLVM_CONFIG" ]
then
CFG_LLVM_VERSION=$($CFG_LLVM_CONFIG --version)
CFG_LLVM_INCDIR=$($CFG_LLVM_CONFIG --includedir)
CFG_LLVM_BINDIR=$($CFG_LLVM_CONFIG --bindir)
CFG_LLVM_LIBDIR=$($CFG_LLVM_CONFIG --libdir)
CFG_LLVM_CXXFLAGS=$($CFG_LLVM_CONFIG --cxxflags)
CFG_LLVM_LDFLAGS=$($CFG_LLVM_CONFIG --ldflags)
CFG_LLVM_LIBS=$($CFG_LLVM_CONFIG --libs)
CFG_LLVM_TRIPLE=$($CFG_LLVM_CONFIG --host-target)
else
err "either the \"CFG_LLVM_ROOT\" environment variable must be set, or a \
\"llvm-config\" script must be present"
fi
case $CFG_LLVM_VERSION in
(3.0svn | 3.0)
step_msg "found ok version of LLVM: $CFG_LLVM_VERSION"
;;
(*)
err "bad LLVM version: $CFG_LLVM_VERSION, need >=3.0svn"
;;
esac
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if [ ! -z "$CFG_CLANG" ]
then
CFG_CLANG_VERSION=$("$CFG_CLANG" \
--version \
| grep version \
| cut -d ' ' -f 3)
case $CFG_CLANG_VERSION in
(3.0svn | 3.0)
step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
;;
(*)
err "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn"
;;
esac
fi
putvar CFG_LLVM_ROOT
putvar CFG_LLVM_INCDIR
putvar CFG_LLVM_BINDIR
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putvar CFG_LLVM_LIBDIR
putvar CFG_LLVM_CXXFLAGS
putvar CFG_LLVM_LDFLAGS
putvar CFG_LLVM_LIBS
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putvar CFG_LLVM_TRIPLE
# Munge any paths that appear in config.mk back to posix-y
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perl -i.bak -p -e 's@ ([a-zA-Z]):[/\\]@ /\1/@go;' \
-e 's@\\@/@go;' config.mk
rm -f config.mk.bak
copy ${CFG_SRC_DIR}Makefile.in ./Makefile
step_msg "complete"