rust/configure

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#!/bin/sh
CFG_SRC_DIR=${0%${0##*/}}
CFG_BUILD_DIR=$PWD
msg() {
echo "configure: $1"
}
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() {
msg "cp $1 $1"
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
}
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
msg "recreating config.mk"
echo '' >config.mk
msg "making directories"
for i in \
doc \
boot/fe boot/me boot/be boot/driver boot/util \
rt rt/isaac rt/bigint rt/sync rt/test \
rustllvm \
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stage0 stage1 stage2 \
test/run-pass test/run-fail test/compile-fail \
test/bench/99-bottles test/bench/shootout
do
make_dir $i
done
msg "inspecting environment"
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CFG_OSTYPE=$(uname -s)
CFG_CPUTYPE=$(uname -m)
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putvar CFG_SRC_DIR
putvar CFG_BUILD_DIR
putvar CFG_OSTYPE
putvar CFG_CPUTYPE
msg "looking for build programs"
probe_need CFG_GCC gcc
probe_need CFG_GIT git
probe_need CFG_OCAMLC ocamlc
probe_need CFG_PERL perl
probe_need CFG_PYTHON python
probe CFG_LLVM_CONFIG llvm-config
probe CFG_VALGRIND valgrind
probe CFG_OCAMLOPT ocamlopt
probe CFG_OCAMLC_OPT ocamlc.opt
probe CFG_OCAMLOPT_OPT ocamlopt.opt
probe CFG_FLEXLINK flexlink
probe CFG_MAKEINFO makeinfo
probe CFG_TEXI2PDF texi2pdf
if [ ! -z "$CFG_LLVM_ROOT" ]
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-)
elif [ ! -z "$CFG_LLVM_CONFIG" ]
then
CFG_LLVM_VERSION=$(llvm-config --version)
CFG_LLVM_INCDIR=$(llvm-config --includedir)
CFG_LLVM_BINDIR=$(llvm-config --bindir)
CFG_LLVM_LIBDIR=$(llvm-config --libdir)
CFG_LLVM_CXXFLAGS=$(llvm-config --cxxflags)
CFG_LLVM_LDFLAGS=$(llvm-config --ldflags)
CFG_LLVM_LIBS=$(llvm-config --libs)
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)
msg "found ok version of LLVM: $CFG_LLVM_VERSION"
;;
(*)
err "bad LLVM version: $CFG_LLVM_VERSION, need >=3.0svn"
;;
esac
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
copy ${CFG_SRC_DIR}Makefile.in ./Makefile
echo "configure: complete"