Part 2 of 3: Moving tools/llvm to pnacl/

tools/llvm/unsupported/build-libstdc++.sh

-#!/bin/bash
-
-# This is a temporary hack to see whether we can build libstdc++ from
-# gcc 4.6.1 with pnacl-clang
-#  Upon success this should be folded into utman
-# NOTE: run this in native_client/ like so
-#
-# tools/llvm/unsupported/build-libstdc++.sh download
-# tools/llvm/unsupported/build-libstdc++.sh libstdcpp-patch
-# tools/llvm/unsupported/build-libstdc++.sh libstdcpp-configure
-# tools/llvm/unsupported/build-libstdc++.sh libstdcpp-make -k
-#
-set -o nounset
-set -o errexit
-
-
-readonly INSTALL_ROOT="$(pwd)/toolchain/pnacl_linux_x86_64_newlib"
-readonly INSTALL_BIN="${INSTALL_ROOT}/bin"
-readonly INSTALL_LIB="${INSTALL_ROOT}/lib"
-readonly LIBSTDCPP_INSTALL_DIR="${INSTALL_ROOT}/pkg/libstdcpp"
-
-readonly GCC_SRC="$(pwd)/pnacl/git/gcc"
-
-CC=gcc
-
-
-# Location of PNaCl gcc/g++/as
-readonly PNACL_GCC="${INSTALL_BIN}/pnacl-gcc"
-readonly PNACL_GXX="${INSTALL_BIN}/pnacl-g++"
-readonly PNACL_CLANG="${INSTALL_BIN}/pnacl-clang"
-readonly PNACL_CLANGXX="${INSTALL_BIN}/pnacl-clang++"
-readonly PNACL_AR="${INSTALL_BIN}/pnacl-ar"
-readonly PNACL_RANLIB="${INSTALL_BIN}/pnacl-ranlib"
-readonly PNACL_AS="${INSTALL_BIN}/pnacl-as"
-readonly PNACL_LD="${INSTALL_BIN}/pnacl-ld"
-readonly PNACL_NM="${INSTALL_BIN}/pnacl-nm"
-readonly PNACL_TRANSLATE="${INSTALL_BIN}/pnacl-translate"
-readonly PNACL_READELF="${INSTALL_BIN}/readelf"
-readonly PNACL_SIZE="${INSTALL_BIN}/size"
-readonly PNACL_STRIP="${INSTALL_BIN}/pnacl-strip"
-
-readonly PNACL_AS_ARM="${INSTALL_BIN}/pnacl-arm-as"
-readonly PNACL_AS_X8632="${INSTALL_BIN}/pnacl-i686-as"
-readonly PNACL_AS_X8664="${INSTALL_BIN}/pnacl-x86_64-as"
-
-
-readonly ILLEGAL_TOOL=${INSTALL_BIN}/pnacl-illegal
-
-STD_ENV_FOR_LIBSTDCPP_CLANG=(
-  CC_FOR_BUILD="${CC}"
-  CC="${PNACL_CLANG}"
-  CXX="${PNACL_CLANGXX}"
-  RAW_CXX_FOR_TARGET="${PNACL_CLANGXX}"
-  LD="${ILLEGAL_TOOL}"
-  CFLAGS="--pnacl-arm-bias"
-  CPPFLAGS="--pnacl-arm-bias"
-  CXXFLAGS="--pnacl-arm-bias "
-  CFLAGS_FOR_TARGET="--pnacl-arm-bias"
-  CPPFLAGS_FOR_TARGET="--pnacl-arm-bias"
-  CC_FOR_TARGET="${PNACL_CLANG}"
-  GCC_FOR_TARGET="${PNACL_CLANG}"
-  CXX_FOR_TARGET="${PNACL_CLANGXX}"
-  AR="${PNACL_AR}"
-  AR_FOR_TARGET="${PNACL_AR}"
-  NM_FOR_TARGET="${PNACL_NM}"
-  RANLIB="${PNACL_RANLIB}"
-  RANLIB_FOR_TARGET="${PNACL_RANLIB}"
-  AS_FOR_TARGET="${ILLEGAL_TOOL}"
-  LD_FOR_TARGET="${ILLEGAL_TOOL}"
-  OBJDUMP_FOR_TARGET="${ILLEGAL_TOOL}" )
-
-
-generate-patch() {
-  pushd ${GCC_SRC}
-  git diff
-  popd
-}
-
-libstdcpp-patch() {
-  pushd ${GCC_SRC}
-  patch -p1 < ../../../tools/llvm/unsupported/patch-libstdc++
-  popd
-}
-
-
-libstdcpp-configure() {
-  mkdir -p build
-  pushd build
-
-  env -i PATH=/usr/bin/:/bin  "${STD_ENV_FOR_LIBSTDCPP_CLANG[@]}" \
-    ${GCC_SRC}/libstdc++-v3/configure \
-    --host=arm-none-linux-gnueabi \
-    --disable-shared \
-    --disable-rpath \
-    --enable-shared=no \
-    --disable-libstdcxx-pch \
-    --enable-linux-futex=no \
-    --with-newlib \
-    --enable-cxx-flags="-D__SIZE_MAX__=4294967295"\
-    --enable-libstdcxx-time=no \
-    --enable-sjlj-exceptions=no \
-    --prefix="${LIBSTDCPP_INSTALL_DIR}" \
-    --enable-multilib=no \
-    "$@"
-  popd
-}
-
-
-libstdcpp-make() {
-  pushd  build
-  env -i PATH=/usr/bin/:/bin "${STD_ENV_FOR_LIBSTDCPP_CLANG[@]}" \
-        make \
-        "$@"
-  popd
-}
-
-
-libstdcpp-install() {
-  pushd  build
-  # install headers (=install-data)
-  # for good measure make sure we do not keep any old headers
-  rm -rf "${INSTALL_ROOT}/include/c++"
-  rm -rf "${LIBSTDCPP_INSTALL_DIR}"
-  env -i PATH=/usr/bin/:/bin "${STD_ENV_FOR_LIBSTDCPP_CLANG[@]}" \
-    make \
-    install-data \
-    "$@"
-
-  # Install bitcode library
-  mkdir -p "${INSTALL_LIB}"
-  cp src/.libs/libstdc++.a "${INSTALL_LIB}"
-
-  popd
-}
-
-
-"$@"