mirror of
https://github.com/rust-lang/rust
synced 2024-07-05 16:25:49 +00:00
configure: correct submodule code, only reconfigure LLVM when changed.
This commit is contained in:
Graydon Hoare
parent
341f414220
commit
8c337026b5
273
configure
vendored
273
configure
vendored
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@ -173,7 +173,6 @@ opt() {
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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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@ -482,138 +481,168 @@ then
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fi
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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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if [ -z $CFG_DISABLE_MANAGE_SUBMODULES ]
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then
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msg "git: submodule sync"
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"${CFG_GIT}" submodule sync --quiet
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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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else
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NEED_INIT=
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NEED_UPDATE=
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cd ${CFG_SRC_DIR}
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msg "git: submodule sync"
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"${CFG_GIT}" submodule sync --quiet
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SUBMODULES=$("${CFG_GIT}" submodule status | awk '{print $2}')
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for s in $SUBMODULES
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do
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msg "git: submodule status ${s}"
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status=$("${CFG_GIT}" submodule status ${s} | awk '{print $1}')
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case ${status} in
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-*)
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msg "${s} is not initialized, initializing"
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"${CFG_GIT}" submodule init --quiet ${s}
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need_ok "git failed"
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msg "${s} updating"
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"${CFG_GIT}" submodule update --quiet ${s}
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need_ok "git failed"
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;;
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+*)
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msg "${s} is not up to date, updating"
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"${CFG_GIT}" submodule update --quiet ${s}
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need_ok "git failed"
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;;
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*)
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msg "${s} is clean"
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;;
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esac
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done
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cd ${CFG_BUILD_DIR}
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fi
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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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need_ok "git failed"
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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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need_ok "git failed"
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fi
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cd ${CFG_BUILD_DIR}
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# Configure llvm. Here we go...
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# Configure llvm, only if necessary
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step_msg "looking at LLVM"
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CFG_LLVM_SRC_DIR=${CFG_SRC_DIR}src/llvm
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for t in $CFG_TARGET_TRIPLES
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do
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do_reconfigure=1
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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/$t
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LLVM_TARGETS="--enable-targets=x86,x86_64"
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LLVM_BUILD="--build=$t"
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LLVM_HOST="--host=$t"
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LLVM_TARGET="--target=$t"
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if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
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then
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LLVM_DBG_OPTS=""
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# Just use LLVM straight from its build directory to
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# avoid 'make install' time
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LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug+Asserts
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LLVM_BUILD_DIR=$CFG_BUILD_DIR/llvm/$t
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if [ ! -z "$CFG_DISABLE_OPTIMIZE_LLVM" ]
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then
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LLVM_DBG_OPTS=""
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# Just use LLVM straight from its build directory to
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# avoid 'make install' time
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LLVM_INST_DIR=$LLVM_BUILD_DIR/Debug+Asserts
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else
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LLVM_DBG_OPTS="--enable-optimized"
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LLVM_INST_DIR=$LLVM_BUILD_DIR/Release+Asserts
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fi
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else
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LLVM_DBG_OPTS="--enable-optimized"
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LLVM_INST_DIR=$LLVM_BUILD_DIR/Release+Asserts
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fi
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# Disable unused LLVM features
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LLVM_OPTS="$LLVM_DBG_OPTS --disable-docs --disable-jit --enable-bindings=none --disable-threads --disable-pthreads"
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if [ "$CFG_C_COMPILER" = "clang" ]
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then
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LLVM_CXX_32="clang++ -m32"
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LLVM_CC_32="clang -m32"
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LLVM_CXX_64="clang++"
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LLVM_CC_64="clang"
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else
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LLVM_CXX_32="g++ -m32"
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LLVM_CC_32="gcc -m32"
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LLVM_CXX_64="g++"
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LLVM_CC_64="gcc"
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fi
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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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LLVM_CFLAGS_64=""
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LLVM_CXXFLAGS_64=""
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LLVM_LDFLAGS_64=""
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if echo $t | grep x86_64
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then
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LLVM_CXX=$LLVM_CXX_64
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LLVM_CC=$LLVM_CC_64
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LLVM_CFLAGS=$LLVM_CFLAGS_64
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LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
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LLVM_LDFLAGS=$LLVM_LDFLAGS_64
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else
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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=$LLVM_LDFLAGS_32
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fi
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CXX=$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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case $CFG_SRC_DIR in
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/* | [a-z]:* | [A-Z]:*)
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${CFG_LLVM_SRC_DIR}/configure $LLVM_FLAGS
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;;
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*)
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${CFG_BUILD_DIR}/${CFG_LLVM_SRC_DIR}/configure $LLVM_FLAGS
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;;
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esac
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need_ok "LLVM configure failed"
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cd $CFG_BUILD_DIR
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else
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LLVM_BUILD_DIR=
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msg "not reconfiguring LLVM, external LLVM root"
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# The user is using their own LLVM
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LLVM_INST_DIR=$CFG_LLVM_ROOT
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LLVM_BUILD_DIR=
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LLVM_INST_DIR=$CFG_LLVM_ROOT
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do_reconfigure=0
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fi
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if [ ${do_reconfigure} -ne 0 ]
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then
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# because git is hilarious, it might have put the module index
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# in a couple places.
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index1="${CFG_SRC_DIR}.git/modules/src/llvm/index"
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index2="${CFG_SRC_DIR}src/llvm/.git/index"
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for index in ${index1} ${index2}
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do
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config_status="${CFG_BUILD_DIR}/llvm/$t/config.status"
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if test -e ${index} -a \
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-e ${config_status} -a \
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${config_status} -nt ${index}
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then
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msg "not reconfiguring LLVM, config.status is fresh"
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do_reconfigure=0
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fi
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done
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fi
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if [ ${do_reconfigure} -ne 0 ]
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then
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msg "configuring LLVM for $t"
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LLVM_TARGETS="--enable-targets=x86,x86_64"
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LLVM_BUILD="--build=$t"
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LLVM_HOST="--host=$t"
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LLVM_TARGET="--target=$t"
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# Disable unused LLVM features
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LLVM_OPTS="$LLVM_DBG_OPTS --disable-docs --disable-jit \
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--enable-bindings=none --disable-threads \
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--disable-pthreads"
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if [ "$CFG_C_COMPILER" = "clang" ]
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then
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LLVM_CXX_32="clang++ -m32"
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LLVM_CC_32="clang -m32"
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LLVM_CXX_64="clang++"
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LLVM_CC_64="clang"
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else
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LLVM_CXX_32="g++ -m32"
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LLVM_CC_32="gcc -m32"
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LLVM_CXX_64="g++"
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LLVM_CC_64="gcc"
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fi
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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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LLVM_CFLAGS_64=""
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LLVM_CXXFLAGS_64=""
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LLVM_LDFLAGS_64=""
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if echo $t | grep -q x86_64
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then
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LLVM_CXX=$LLVM_CXX_64
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LLVM_CC=$LLVM_CC_64
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LLVM_CFLAGS=$LLVM_CFLAGS_64
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LLVM_CXXFLAGS=$LLVM_CXXFLAGS_64
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LLVM_LDFLAGS=$LLVM_LDFLAGS_64
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else
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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=$LLVM_LDFLAGS_32
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fi
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CXX=$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 $LLVM_BUILD \
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$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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case $CFG_SRC_DIR in
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/* | [a-z]:* | [A-Z]:*)
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${CFG_LLVM_SRC_DIR}/configure $LLVM_FLAGS
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;;
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*)
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${CFG_BUILD_DIR}/${CFG_LLVM_SRC_DIR}/configure \
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$LLVM_FLAGS
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;;
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esac
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need_ok "LLVM configure failed"
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cd $CFG_BUILD_DIR
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fi
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# Construct variables for LLVM build and install directories for
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