mirror of
https://github.com/rust-lang/cargo.git
synced 2025-09-28 11:20:36 +00:00
a24ca998ba
Cargo will soon support testing the cross compilation capabilities between 32/64 bit Windows, meaning that there's not "one true value" for any of these environment variables that Cargo is setting (e.g. where to find `cl`, `link`, etc). Instead, all dependencies have been updated to probe the system (in the same manner as the compiler) for the tools that they're using. All of the logic is housed in the `gcc` crate which now exposes a function to probe the system for a particular tool. The updated crates here then use the result of this probe to run the various build scripts. This all boils down to being able to build MSVC targets inside an MSYS shell instead of requiring use of a MSVC shell (which doesn't allow for simultaneous host builds and cross builds).
411 lines
8.9 KiB
Bash
Executable File
411 lines
8.9 KiB
Bash
Executable File
#!/bin/sh
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msg() {
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echo "configure: $1"
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}
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step_msg() {
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msg
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msg "$1"
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msg
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}
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warn() {
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echo "configure: WARNING: $1"
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}
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err() {
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echo "configure: error: $1"
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exit 1
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}
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need_ok() {
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if [ $? -ne 0 ]
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then
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err "$1"
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fi
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}
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need_cmd() {
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if command -v $1 >/dev/null 2>&1
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then msg "found $1"
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else err "need $1"
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fi
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}
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make_dir() {
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if [ ! -d $1 ]
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then
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msg "mkdir -p $1"
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mkdir -p $1
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fi
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}
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copy_if_changed() {
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if cmp -s $1 $2
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then
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msg "leaving $2 unchanged"
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else
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msg "cp $1 $2"
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cp -f $1 $2
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chmod u-w $2 # make copied artifact read-only
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fi
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}
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move_if_changed() {
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if cmp -s $1 $2
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then
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msg "leaving $2 unchanged"
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else
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msg "mv $1 $2"
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mv -f $1 $2
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chmod u-w $2 # make moved artifact read-only
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fi
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}
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putvar() {
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local T
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eval T=\$$1
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eval TLEN=\${#$1}
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if [ $TLEN -gt 35 ]
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then
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printf "configure: %-20s := %.35s ...\n" $1 "$T"
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else
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printf "configure: %-20s := %s %s\n" $1 "$T" "$2"
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fi
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printf "%-20s := %s\n" $1 "$T" >>config.tmp
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}
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probe() {
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local V=$1
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shift
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local P
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local T
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for P
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do
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T=$(command -v $P 2>&1)
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if [ $? -eq 0 ]
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then
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VER0=$($P --version 2>/dev/null | head -1 \
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| sed -e 's/[^0-9]*\([vV]\?[0-9.]\+[^ ]*\).*/\1/' )
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if [ $? -eq 0 -a "x${VER0}" != "x" ]
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then
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VER="($VER0)"
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else
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VER=""
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fi
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break
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else
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VER=""
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T=""
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fi
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done
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eval $V=\$T
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putvar $V "$VER"
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}
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probe_need() {
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local V=$1
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probe $*
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eval VV=\$$V
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if [ -z "$VV" ]
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then
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err "needed, but unable to find any of: $*"
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fi
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}
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validate_opt () {
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for arg in $CFG_CONFIGURE_ARGS
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do
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isArgValid=0
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for option in $BOOL_OPTIONS
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do
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if test --disable-$option = $arg
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then
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isArgValid=1
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fi
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if test --enable-$option = $arg
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then
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isArgValid=1
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fi
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done
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for option in $VAL_OPTIONS
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do
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if echo "$arg" | grep -q -- "--$option="
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then
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isArgValid=1
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fi
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done
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if [ "$arg" = "--help" ]
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then
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echo
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echo "No more help available for Configure options,"
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echo "check the Wiki or join our IRC channel"
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break
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else
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if test $isArgValid -eq 0
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then
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err "Option '$arg' is not recognized"
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fi
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fi
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done
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}
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valopt() {
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VAL_OPTIONS="$VAL_OPTIONS $1"
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local OP=$1
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local DEFAULT=$2
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shift
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shift
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local DOC="$*"
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if [ $HELP -eq 0 ]
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then
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local UOP=$(echo $OP | tr '[:lower:]' '[:upper:]' | tr '\-' '\_')
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local V="CFG_${UOP}"
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eval $V="$DEFAULT"
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for arg in $CFG_CONFIGURE_ARGS
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do
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if echo "$arg" | grep -q -- "--$OP="
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then
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val=$(echo "$arg" | cut -f2 -d=)
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eval $V=$val
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fi
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done
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putvar $V
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else
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if [ -z "$DEFAULT" ]
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then
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DEFAULT="<none>"
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fi
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OP="${OP}=[${DEFAULT}]"
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printf " --%-30s %s\n" "$OP" "$DOC"
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fi
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}
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opt() {
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BOOL_OPTIONS="$BOOL_OPTIONS $1"
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local OP=$1
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local DEFAULT=$2
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shift
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shift
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local DOC="$*"
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local FLAG=""
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if [ $DEFAULT -eq 0 ]
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then
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FLAG="enable"
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else
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FLAG="disable"
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DOC="don't $DOC"
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fi
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if [ $HELP -eq 0 ]
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then
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for arg in $CFG_CONFIGURE_ARGS
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do
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if [ "$arg" = "--${FLAG}-${OP}" ]
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then
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OP=$(echo $OP | tr 'a-z-' 'A-Z_')
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FLAG=$(echo $FLAG | tr 'a-z' 'A-Z')
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local V="CFG_${FLAG}_${OP}"
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eval $V=1
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putvar $V
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fi
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done
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else
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if [ ! -z "$META" ]
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then
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OP="$OP=<$META>"
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fi
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printf " --%-30s %s\n" "$FLAG-$OP" "$DOC"
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fi
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}
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envopt() {
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local NAME=$1
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local V="CFG_${NAME}"
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eval VV=\$$V
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# If configure didn't set a value already, then check environment.
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#
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# (It is recommended that the configure script always check the
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# environment before setting any values to envopt variables; see
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# e.g. how CFG_CC is handled, where it first checks `-z "$CC"`,
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# and issues msg if it ends up employing that provided value.)
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if [ -z "$VV" ]
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then
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eval $V=\$$NAME
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eval VV=\$$V
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fi
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# If script or environment provided a value, save it.
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if [ ! -z "$VV" ]
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then
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putvar $V
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fi
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}
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msg "looking for configure programs"
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need_cmd cmp
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need_cmd mkdir
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need_cmd printf
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need_cmd cut
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need_cmd head
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need_cmd grep
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need_cmd xargs
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need_cmd cp
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need_cmd find
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need_cmd uname
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need_cmd date
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need_cmd tr
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need_cmd sed
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need_cmd cmake
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if [ "${OS}" != "Windows_NT" ]; then
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need_cmd curl
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fi
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CFG_SRC_DIR="$(cd $(dirname $0) && pwd)/"
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CFG_BUILD_DIR="$(pwd)/"
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CFG_SELF="$0"
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CFG_CONFIGURE_ARGS="$@"
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OPTIONS=""
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HELP=0
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if [ "$1" = "--help" ]
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then
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HELP=1
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shift
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echo
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echo "Usage: $CFG_SELF [options]"
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echo
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echo "Options:"
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echo
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else
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msg "recreating config.tmp"
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echo '' >config.tmp
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step_msg "processing $CFG_SELF args"
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fi
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BOOL_OPTIONS=""
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VAL_OPTIONS=""
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opt debug 1 "build with extra debug fun"
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opt optimize 0 "build with optimizations"
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opt nightly 0 "build nightly packages"
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opt verify-install 1 "verify installed binaries work"
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opt cross-tests 1 "run cross-compilation tests"
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valopt prefix "/usr/local" "set installation prefix"
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valopt local-rust-root "" "set prefix for local rust binary"
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if [ $HELP -eq 0 ]; then
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if [ ! -z "${CFG_LOCAL_RUST_ROOT}" ]; then
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export LD_LIBRARY_PATH="${CFG_LOCAL_RUST_ROOT}/lib:$LD_LIBRARY_PATH"
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export DYLD_LIBRARY_PATH="${CFG_LOCAL_RUST_ROOT}/lib:$DYLD_LIBRARY_PATH"
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LRV=`${CFG_LOCAL_RUST_ROOT}/bin/rustc --version`
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if [ $? -eq 0 ]; then
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step_msg "using rustc at: ${CFG_LOCAL_RUST_ROOT} with version: $LRV"
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else
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err "failed to run rustc at: ${CFG_LOCAL_RUST_ROOT}"
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fi
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CFG_RUSTC="${CFG_LOCAL_RUST_ROOT}/bin/rustc"
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else
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probe_need CFG_RUSTC rustc
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fi
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DEFAULT_BUILD=$("${CFG_RUSTC}" -vV | grep 'host: ' | sed 's/host: //')
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fi
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valopt build "${DEFAULT_BUILD}" "GNUs ./configure syntax LLVM build triple"
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valopt host "${CFG_BUILD}" "GNUs ./configure syntax LLVM host triples"
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valopt target "${CFG_HOST}" "GNUs ./configure syntax LLVM target triples"
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valopt localstatedir "/var/lib" "local state directory"
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valopt sysconfdir "/etc" "install system configuration files"
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valopt datadir "${CFG_PREFIX}/share" "install data"
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valopt infodir "${CFG_PREFIX}/share/info" "install additional info"
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valopt mandir "${CFG_PREFIX}/share/man" "install man pages in PATH"
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valopt libdir "${CFG_PREFIX}/lib" "install libraries"
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valopt local-cargo "" "local cargo to bootstrap from"
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if [ $HELP -eq 1 ]
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then
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echo
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exit 0
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fi
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# Validate Options
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step_msg "validating $CFG_SELF args"
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validate_opt
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step_msg "looking for build programs"
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probe_need CFG_CURLORWGET curl wget
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probe_need CFG_PYTHON python
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probe_need CFG_CC cc gcc clang
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if [ ! -z "${CFG_LOCAL_RUST_ROOT}" ]; then
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CFG_RUSTDOC="${CFG_LOCAL_RUST_ROOT}/bin/rustdoc"
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else
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probe_need CFG_RUSTDOC rustdoc
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fi
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# a little post-processing of various config values
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CFG_PREFIX=${CFG_PREFIX%/}
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CFG_MANDIR=${CFG_MANDIR%/}
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CFG_HOST="$(echo $CFG_HOST | tr ',' ' ')"
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CFG_TARGET="$(echo $CFG_TARGET | tr ',' ' ')"
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# copy host-triples to target-triples so that hosts are a subset of targets
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V_TEMP=""
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for i in $CFG_HOST $CFG_TARGET;
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do
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echo "$V_TEMP" | grep -qF $i || V_TEMP="$V_TEMP${V_TEMP:+ }$i"
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done
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CFG_TARGET=$V_TEMP
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if [ "$CFG_SRC_DIR" != "$CFG_BUILD_DIR" ]; then
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err "cargo does not currently support an out-of-tree build dir"
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fi
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if [ ! -z "$CFG_ENABLE_NIGHTLY" ]; then
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if [ ! -f .cargo/config ]; then
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mkdir -p .cargo
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cat > .cargo/config <<-EOF
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[target.x86_64-unknown-linux-gnu.openssl]
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rustc-flags = "-l static=ssl -l static=crypto -l dl -L /home/rustbuild/root64/lib"
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root = "/home/rustbuild/root64"
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include = "/home/rustbuild/root64/include"
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[target.i686-unknown-linux-gnu.openssl]
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rustc-flags = "-l static=ssl -l static=crypto -l dl -L /home/rustbuild/root32/lib"
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root = "/home/rustbuild/root32"
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include = "/home/rustbuild/root32/include"
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EOF
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fi
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fi
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step_msg "writing configuration"
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putvar CFG_SRC_DIR
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putvar CFG_BUILD_DIR
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putvar CFG_CONFIGURE_ARGS
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putvar CFG_PREFIX
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putvar CFG_BUILD
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putvar CFG_HOST
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putvar CFG_TARGET
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putvar CFG_LIBDIR
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putvar CFG_MANDIR
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putvar CFG_RUSTC
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putvar CFG_RUSTDOC
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msg
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copy_if_changed ${CFG_SRC_DIR}Makefile.in ./Makefile
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move_if_changed config.tmp config.mk
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rm -f config.tmp
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touch config.stamp
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step_msg "complete"
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msg
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