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configure: support --prefix and --llvm-root #1123

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configure: support --prefix and --llvm-root #1123

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5bac91a
configure: add support for --prefix=<prefix>
Nov 2, 2011
4efdf56
configure: add --llvm-root
Nov 2, 2011
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35 changes: 32 additions & 3 deletions configure
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Original file line number Diff line number Diff line change
Expand Up @@ -77,6 +77,36 @@ probe_need() {
fi
}

valopt() {
local OP=$1
local DEFAULT=$2
shift
shift
local DOC="$*"
if [ $HELP -eq 0 ]
then
local UOP=$(echo $OP | tr 'a-z-' 'A-Z_')
local V="CFG_${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
Expand Down Expand Up @@ -219,15 +249,14 @@ opt valgrind 1 "run tests with valgrind"
opt docs 1 "build documentation"
opt optimize 1 "build optimized rust code"
opt mingw-cross 0 "cross-compile for win32 using mingw"

valopt prefix "/usr/local" "set installation prefix"
valopt llvm-root "" "set llvm root"

if [ $HELP -eq 1 ]
then
echo ""
echo "Useful environment variables:"
echo ""
printf " %-32s %s\n" "CFG_LLVM_ROOT" "The host LLVM install"
printf " %-32s %s\n" "CFG_PREFIX" "The installation prefix"
printf " %-32s %s\n" "CFG_ONLY_GCC" "Prefer gcc to clang for building the runtime"
printf " %-32s %s\n" "CFG_TARGET_TRIPLES" "LLVM target triples"
echo ""
Expand Down