mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-29 18:06:44 +01:00
536 lines
11 KiB
Bash
Executable File
536 lines
11 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_cmd() {
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if which $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() {
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msg "cp $1 $2"
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cp $1 $2
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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\n" $1 "$T"
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fi
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printf "%-20s := %s\n" $1 "$T" >>config.mk
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}
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probe() {
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local V=$1
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local P=$2
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local T
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T=$(which $P 2>&1)
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if [ $? -ne 0 ]
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then
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T=""
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fi
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eval $V=\$T
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putvar $V
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}
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probe_need() {
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local V=$1
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local P=$2
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probe $V $P
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eval VV=\$$V
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if [ -z "$VV" ]
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then
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err "required program '$P' not found"
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fi
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}
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valopt() {
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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 $OP | tr 'a-z-' 'A-Z_')
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local V="CFG_${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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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" "$DOC"
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fi
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}
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msg "looking for configure programs"
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need_cmd mkdir
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need_cmd printf
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need_cmd cut
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need_cmd grep
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need_cmd xargs
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need_cmd cp
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need_cmd find
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need_cmd uname
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need_cmd date
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need_cmd tr
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need_cmd sed
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msg "inspecting environment"
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CFG_OSTYPE=$(uname -s)
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CFG_CPUTYPE=$(uname -m)
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if [ $CFG_OSTYPE = Darwin -a $CFG_CPUTYPE = i386 ]
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then
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# Darwin's `uname -s` lies and always returns i386. We have to use sysctl
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# instead.
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if sysctl hw.optional.x86_64 | grep ': 1'
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then
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CFG_CPUTYPE=x86_64
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fi
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fi
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# The goal here is to come up with the same triple as LLVM would,
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# at least for the subset of platforms we're willing to target.
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case $CFG_OSTYPE in
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Linux)
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CFG_OSTYPE=unknown-linux-gnu
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;;
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FreeBSD)
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CFG_OSTYPE=unknown-freebsd
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;;
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Darwin)
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CFG_OSTYPE=apple-darwin
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;;
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MINGW32*)
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CFG_OSTYPE=pc-mingw32
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;;
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*)
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err "unknown OS type: $CFG_OSTYPE"
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;;
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esac
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case $CFG_CPUTYPE in
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i386 | i486 | i686 | i786 | x86)
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CFG_CPUTYPE=i686
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;;
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xscale | arm)
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CFG_CPUTYPE=arm
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;;
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x86_64 | x86-64 | x64)
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# FIME: Once we do a 64-bit build this should be x86_64
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CFG_CPUTYPE=i686
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;;
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*)
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err "unknown CPU type: $CFG_CPUTYPE"
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esac
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CFG_HOST_TRIPLE="${CFG_CPUTYPE}-${CFG_OSTYPE}"
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CFG_SELF=$(echo $0 | tr '\\' '/')
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CFG_SRC_DIR=${CFG_SELF%${CFG_SELF##*/}}
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CFG_BUILD_DIR=$(echo $PWD | tr '\\' '/')
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CFG_CONFIGURE_ARGS="$@"
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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.mk"
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echo '' >config.mk
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step_msg "processing $CFG_SELF args"
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fi
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opt sharedstd 1 "build libstd as a shared library"
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opt valgrind 1 "run tests with valgrind"
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opt docs 1 "build documentation"
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opt optimize 1 "build optimized rust code"
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opt mingw-cross 0 "cross-compile for win32 using mingw"
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opt clang 0 "prefer gcc to clang for building the runtime"
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valopt prefix "/usr/local" "set installation prefix"
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valopt llvm-root "" "set LLVM root"
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valopt target-triples "" "LLVM target triples (defaults to host if unset)"
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if [ $HELP -eq 1 ]
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then
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echo ""
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exit 0
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fi
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step_msg "writing out basic parameters"
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putvar CFG_SRC_DIR
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putvar CFG_BUILD_DIR
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putvar CFG_OSTYPE
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putvar CFG_CPUTYPE
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putvar CFG_CONFIGURE_ARGS
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step_msg "looking for build programs"
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probe_need CFG_PERL perl
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probe_need CFG_PYTHON python
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probe_need CFG_CURL curl
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probe CFG_GIT git
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probe CFG_CLANG clang++
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probe CFG_GCC gcc
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probe CFG_LLVM_CONFIG llvm-config
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probe CFG_VALGRIND valgrind
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probe CFG_PERF perf
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probe CFG_MAKEINFO makeinfo
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probe CFG_TEXI2PDF texi2pdf
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probe CFG_TEX tex
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probe CFG_MAKENSIS makensis
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probe CFG_NATURALDOCS naturaldocs
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if [ -z "$CFG_ENABLE_CLANG" -a -z "$CFG_GCC" ]
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then
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err "either clang or gcc is required"
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fi
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if head -n 1 ${CFG_SRC_DIR}src/snapshots.txt | grep -q '^T'
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then
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CFG_IN_TRANSITION=1
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putvar CFG_IN_TRANSITION
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fi
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# Valgrind is only reliable on Linux. On Windows it doesn't work at all, and
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# on the Mac the dynamic linker causes Valgrind to emit a huge stream of
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# errors.
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if [ $CFG_OSTYPE != unknown-linux-gnu ] && [ $CFG_OSTYPE != apple-darwin ]
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then
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CFG_BAD_VALGRIND=1
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putvar CFG_BAD_VALGRIND
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fi
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if [ ! -z "$CFG_LLVM_ROOT" -a -e "$CFG_LLVM_ROOT/bin/llvm-config" ]
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then
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step_msg "using custom LLVM at $CFG_LLVM_ROOT"
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LLVM_CONFIG="$CFG_LLVM_ROOT/bin/llvm-config"
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LLVM_VERSION=$($LLVM_CONFIG --version)
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case $LLVM_VERSION in
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(3.0svn | 3.0 | 3.1svn)
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step_msg "found ok version of LLVM: $LLVM_VERSION"
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;;
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(*)
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err "bad LLVM version: $LLVM_VERSION, need >=3.0svn"
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;;
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esac
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fi
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if [ ! -z "$CFG_ENABLE_CLANG" ]
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then
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if [ -z "$CFG_CLANG" ]
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then
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err "clang requested but not found"
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fi
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CFG_CLANG_VERSION=$("$CFG_CLANG" \
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--version \
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| grep version \
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| cut -d ' ' -f 3)
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case $CFG_CLANG_VERSION in
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(3.0svn | 3.0)
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step_msg "found ok version of CLANG: $CFG_CLANG_VERSION"
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CFG_C_COMPILER="clang"
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;;
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(*)
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msg "bad CLANG version: $CFG_CLANG_VERSION, need >=3.0svn; disabling"
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CFG_C_COMPILER="gcc"
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;;
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esac
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else
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CFG_C_COMPILER="gcc"
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fi
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if [ -z "$CFG_PREFIX" ]
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then
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CFG_PREFIX=/usr/local
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fi
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if [ -z "$CFG_TARGET_TRIPLES" ]
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then
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CFG_TARGET_TRIPLES="${CFG_HOST_TRIPLE}"
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fi
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putvar CFG_HOST_TRIPLE
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putvar CFG_TARGET_TRIPLES
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putvar CFG_C_COMPILER
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putvar CFG_PREFIX
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putvar CFG_LLVM_ROOT
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step_msg "making directories"
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for i in \
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doc doc/std \
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nd nd/std \
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dl \
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test/run-pass test/run-fail test/compile-fail \
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test/bench test/perf test/pretty
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do
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make_dir $i
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done
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make_dir llvm
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for t in $CFG_TARGET_TRIPLES
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do
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make_dir llvm/$t
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done
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make_dir rustllvm
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for t in $CFG_TARGET_TRIPLES
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do
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make_dir rustllvm/$t
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done
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make_dir rt
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for t in $CFG_TARGET_TRIPLES
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do
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make_dir rt/$t
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for i in \
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isaac bigint sync test arch/i386 arch/x86_64 \
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libuv libuv/src/ares libuv/src/eio libuv/src/ev
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do
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make_dir rt/$t/$i
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done
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done
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for t in $CFG_TARGET_TRIPLES
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do
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for i in 0 1 2 3
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do
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# host bin dir
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make_dir stage$i/bin
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# host lib dir
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make_dir stage$i/lib
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# target bin dir
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make_dir stage$i/lib/rustc/$t/bin
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# target lib dir
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make_dir stage$i/lib/rustc/$t/lib
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done
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done
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# Configure submodules
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step_msg "configuring submodules"
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# Have to be in the top of src directory for this
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cd ${CFG_SRC_DIR}
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SUBMODULE_STATUS=$("${CFG_GIT}" submodule status)
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NEED_INIT_COUNT=$(echo "$SUBMODULE_STATUS" | grep -c "^-")
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NEED_UPDATE_COUNT=$(echo "$SUBMODULE_STATUS" | grep -c "^+")
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NEED_INIT=$(test $NEED_INIT_COUNT -gt 0)$?
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NEED_UPDATE=$(test "($NEED_INIT)" -o "$NEED_UPDATE_COUNT" -gt 0)$?
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if [ $NEED_INIT ]
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then
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msg "git: submodule init"
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${CFG_GIT} submodule init --quiet
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fi
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if [ $NEED_UPDATE ]
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then
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msg "git: submodule update"
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${CFG_GIT} submodule update --quiet
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fi
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cd ${CFG_BUILD_DIR}
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msg
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# Configure llvm. Here we go...
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CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm
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putvar CFG_LLVM_SRC_DIR
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for t in $CFG_TARGET_TRIPLES
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do
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if [ -z $CFG_LLVM_ROOT ]
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then
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step_msg "configuring LLVM for $t"
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LLVM_BUILD_DIR=$CFG_BUILD_DIR/llvm/$t
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# Just use LLVM straight from its build directory to
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# avoid 'make install' time
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LLVM_INST_DIR=$LLVM_BUILD_DIR/Release+Asserts
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LLVM_TARGETS="--enable-targets=x86,x86_64"
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LLVM_BUILD="--build=$t"
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LLVM_HOST="--host=$t"
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LLVM_TARGET="--target=$t"
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LLVM_OPTS="--enable-optimized --disable-docs"
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LLVM_CXX_32="g++ -m32"
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LLVM_CC_32="gcc -m32"
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LLVM_CFLAGS_32="-m32"
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LLVM_CXXFLAGS_32="-m32"
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LLVM_LDFLAGS_32="-m32"
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# FIXME: Need to change flags for x64
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LLVM_CXX=$LLVM_CXX_32
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LLVM_CC=$LLVM_CC_32
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LLVM_CFLAGS=$LLVM_CFLAGS_32
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LLVM_CXXFLAGS=$LLVM_CXXFLAGS_32
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LLVM_LDFLAGS=$LLVM_LDFLAGS_32
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CXX=$LLVM_CXX
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CC=$LLVM_CC
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CFLAGS=$LLVM_CFLAGS
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CXXFLAGS=$LLVM_CXXFLAGS
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LDFLAGS=$LLVM_LDFLAGS
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LLVM_FLAGS="$LLVM_TARGETS $LLVM_OPTS $LLVM_BUILD $LLVM_HOST $LLVM_TARGET"
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msg "configuring LLVM with:"
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msg "$LLVM_FLAGS"
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export CXX
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export CC
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export CFLAGS
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export CXXFLAGS
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export LDFLAGS
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cd $LLVM_BUILD_DIR
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# FIXME: This won't work if CFG_SRC_DIR is absolute
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${CFG_BUILD_DIR}/${CFG_LLVM_SRC_DIR}/configure $LLVM_FLAGS
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cd $CFG_BUILD_DIR
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else
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LLVM_BUILD_DIR=bogus
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# The user is using their own LLVM
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LLVM_INST_DIR=$CFG_LLVM_ROOT
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fi
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# Construct variables for LLVM build and install directories for
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# each target. These will be named
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# CFG_LLVM_BUILD_DIR_${target_triple} but all the hyphens in
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# target_triple will be converted to underscore, because bash
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# variables can't contain hyphens. The makefile will then have to
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# convert back.
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CFG_LLVM_BUILD_DIR=$(echo CFG_LLVM_BUILD_DIR_${t} | tr - _)
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CFG_LLVM_INST_DIR=$(echo CFG_LLVM_INST_DIR_${t} | tr - _)
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eval ${CFG_LLVM_BUILD_DIR}="'$LLVM_BUILD_DIR'"
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eval ${CFG_LLVM_INST_DIR}="'$LLVM_INST_DIR'"
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putvar $CFG_LLVM_BUILD_DIR
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putvar $CFG_LLVM_INST_DIR
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done
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# 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;' \
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-e 's@\\@/@go;' config.mk
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rm -f config.mk.bak
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copy ${CFG_SRC_DIR}Makefile.in ./Makefile
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step_msg "complete"
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