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https://github.com/crosstool-ng/crosstool-ng.git
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57f5909285
Since glibc 2.27 glob interface was changed [1] and so "glob" & "glob64" symbols require glibc 2.27+. For us that means if we build Binutils on a machine with glibc 2.27+ produced binaries won't be any longer usable on machines with older glibc. As an example [2]: build on Ubuntu 18.04 (with glibc 2.27) and try to run on CentOS 7.x (with glibc 2.17), you'll see this: ---------------------->8------------------- ldd ld ld: /lib64/libc.so.6: version `GLIBC_2.27' not found (required by ld) ---------------------->8------------------- Now given glob is not really used by Binutils itself (only needed by GDB) and we build Binutils & GDB separately let's make at least Binutils more portable. In theory we may even try to do the same hack for GDB forcing it to use imported glob implementation. But since GDB is now built strictly by C++ compiler we'll get waaay to many incompatibilities due to multiple changes of C++ ABI in between GCC 7.5 of Ubuntu 18.04 and GCC 4.8.5 of CentOS 7.x, so there's no point to even try. [1] https://sourceware.org/git/?p=glibc.git;a=commit;h=ccf970c7a77e86f4f5ef8ecc5e637114b1c0136a [2] https://github.com/zephyrproject-rtos/sdk-ng/issues/280 Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
367 lines
14 KiB
Bash
367 lines
14 KiB
Bash
# This file adds functions to build binutils
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# Copyright 2007 Yann E. MORIN
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# Licensed under the GPL v2. See COPYING in the root of this package
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# Download binutils
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do_binutils_get() {
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CT_Fetch BINUTILS
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if [ -n "${CT_ARCH_BINFMT_FLAT}" ]; then
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CT_Fetch ELF2FLT
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fi
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}
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# Extract binutils
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do_binutils_extract() {
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CT_ExtractPatch BINUTILS
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if [ -n "${CT_ARCH_BINFMT_FLAT}" ]; then
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CT_ExtractPatch ELF2FLT
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fi
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}
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# Build binutils for build -> target
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do_binutils_for_build() {
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local -a binutils_opts
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case "${CT_TOOLCHAIN_TYPE}" in
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native|cross) return 0;;
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esac
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CT_DoStep INFO "Installing binutils for build"
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CT_mkdir_pushd "${CT_BUILD_DIR}/build-binutils-build-${CT_BUILD}"
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binutils_opts+=( "host=${CT_BUILD}" )
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binutils_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
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binutils_opts+=( "cflags=${CT_CFLAGS_FOR_BUILD}" )
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binutils_opts+=( "ldflags=${CT_LDFLAGS_FOR_BUILD}" )
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do_binutils_backend "${binutils_opts[@]}"
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CT_Popd
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if [ -n "${CT_ARCH_BINFMT_FLAT}" ]; then
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# We re-use binutils' options, plus our owns
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binutils_opts+=( "binutils_src=${CT_SRC_DIR}/binutils" )
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binutils_opts+=( "binutils_bld=${CT_BUILD_DIR}/build-binutils-build-${CT_BUILD}" )
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CT_mkdir_pushd "${CT_BUILD_DIR}/build-elf2flt-build-${CT_BUILD}"
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do_elf2flt_backend "${binutils_opts[@]}"
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CT_Popd
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fi
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CT_EndStep
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}
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# Build binutils for host -> target
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do_binutils_for_host() {
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local -a binutils_opts
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CT_DoStep INFO "Installing binutils for host"
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CT_mkdir_pushd "${CT_BUILD_DIR}/build-binutils-host-${CT_HOST}"
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binutils_opts+=( "host=${CT_HOST}" )
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binutils_opts+=( "prefix=${CT_PREFIX_DIR}" )
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binutils_opts+=( "static_build=${CT_STATIC_TOOLCHAIN}" )
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binutils_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
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binutils_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
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binutils_opts+=( "build_manuals=${CT_BUILD_MANUALS}" )
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do_binutils_backend "${binutils_opts[@]}"
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CT_Popd
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if [ -n "${CT_ARCH_BINFMT_FLAT}" ]; then
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# We re-use binutils' options, plus our owns
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binutils_opts+=( "binutils_src=${CT_SRC_DIR}/binutils" )
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binutils_opts+=( "binutils_bld=${CT_BUILD_DIR}/build-binutils-host-${CT_HOST}" )
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CT_mkdir_pushd "${CT_BUILD_DIR}/build-elf2flt-host-${CT_HOST}"
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do_elf2flt_backend "${binutils_opts[@]}"
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CT_Popd
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fi
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# Make those new tools available to the core C compilers to come.
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# Note: some components want the ${TARGET}-{ar,as,ld,ranlib,strip} commands
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# as well. Create that.
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# Don't do it for canadian or cross-native, because the binutils
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# are not executable on the build machine.
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case "${CT_TOOLCHAIN_TYPE}" in
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cross|native)
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mkdir -p "${CT_BUILDTOOLS_PREFIX_DIR}/bin"
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CT_SymlinkTools "${CT_BUILDTOOLS_PREFIX_DIR}/bin" \
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"${CT_PREFIX_DIR}/bin" \
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"${CT_TARGET}"
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CT_DoExecLog ALL mkdir -p "${CT_BUILDTOOLS_PREFIX_DIR}/${CT_TARGET}"
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CT_DoExecLog ALL ln -sv "${CT_PREFIX_DIR}/${CT_TARGET}/bin" \
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"${CT_BUILDTOOLS_PREFIX_DIR}/${CT_TARGET}/bin"
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;;
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*) ;;
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esac
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CT_EndStep
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}
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# Build binutils for X -> target
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# Parameter : description : type : default
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# host : machine to run on : tuple : (none)
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# prefix : prefix to install into : dir : (none)
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# static_build : build statcially : bool : no
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# cflags : cflags to use : string : (empty)
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# ldflags : ldflags to use : string : (empty)
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# build_manuals : whether to build manuals : bool : no
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do_binutils_backend() {
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local host
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local prefix
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local static_build
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local cflags
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local ldflags
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local build_manuals=no
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local -a extra_config
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local -a extra_make_flags
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local -a manuals_for
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local -a manuals_install
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local arg
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for arg in "$@"; do
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eval "${arg// /\\ }"
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done
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CT_DoLog EXTRA "Configuring binutils"
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if [ "${CT_BINUTILS_HAS_GOLD}" = "y" ]; then
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case "${CT_BINUTILS_LINKERS_LIST}" in
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ld)
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extra_config+=( --enable-ld=yes --enable-gold=no )
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;;
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gold)
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extra_config+=( --enable-ld=no --enable-gold=yes )
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;;
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ld,gold)
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extra_config+=( --enable-ld=default --enable-gold=yes )
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;;
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gold,ld)
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extra_config+=( --enable-ld=yes --enable-gold=default )
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;;
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esac
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if [ "${CT_BINUTILS_GOLD_THREADS}" = "y" ]; then
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extra_config+=( --enable-threads )
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fi
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fi
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if [ "${CT_BINUTILS_PLUGINS}" = "y" ]; then
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extra_config+=( --enable-plugins )
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fi
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if [ "${CT_BINUTILS_RELRO}" = "y" ]; then
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extra_config+=( --enable-relro )
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elif [ "${CT_BINUTILS_RELRO}" != "m" ]; then
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extra_config+=( --disable-relro )
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fi
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if [ "${CT_BINUTILS_DETERMINISTIC_ARCHIVES}" = "y" ]; then
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extra_config+=( --enable-deterministic-archives )
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fi
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if [ "${CT_BINUTILS_HAS_PKGVERSION_BUGURL}" = "y" ]; then
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[ -n "${CT_PKGVERSION}" ] && extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
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[ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
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fi
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if [ "${CT_MULTILIB}" = "y" ]; then
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extra_config+=("--enable-multilib")
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else
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extra_config+=("--disable-multilib")
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fi
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# Disable gdb when building from the binutils-gdb repository.
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extra_config+=("--disable-sim")
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extra_config+=("--disable-gdb")
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[ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
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# Disable usage of glob for higher compatibility.
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# Not strictly needed for anything but GDB anyways.
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export ac_cv_func_glob=no
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CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
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CT_DoExecLog CFG \
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CC_FOR_BUILD="${CT_BUILD}-gcc" \
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CFLAGS_FOR_BUILD="${CT_CFLAGS_FOR_BUILD}" \
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CXXFLAGS_FOR_BUILD="${CT_CFLAGS_FOR_BUILD}" \
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LDFLAGS_FOR_BUILD="${CT_LDFLAGS_FOR_BUILD}" \
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CFLAGS="${cflags}" \
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CXXFLAGS="${cflags}" \
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LDFLAGS="${ldflags}" \
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${CONFIG_SHELL} \
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"${CT_SRC_DIR}/binutils/configure" \
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--build=${CT_BUILD} \
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--host=${host} \
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--target=${CT_TARGET} \
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--prefix=${prefix} \
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--disable-werror \
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"${extra_config[@]}" \
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${CT_ARCH_WITH_FLOAT} \
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${CT_BINUTILS_SYSROOT_ARG} \
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"${CT_BINUTILS_EXTRA_CONFIG_ARRAY[@]}"
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if [ "${static_build}" = "y" ]; then
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extra_make_flags+=("LDFLAGS=${ldflags} -all-static")
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CT_DoLog EXTRA "Prepare binutils for static build"
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CT_DoExecLog ALL make ${CT_JOBSFLAGS} configure-host
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fi
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CT_DoLog EXTRA "Building binutils"
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CT_DoExecLog ALL make "${extra_make_flags[@]}" ${CT_JOBSFLAGS}
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CT_DoLog EXTRA "Installing binutils"
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CT_DoExecLog ALL make install
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if [ "${CT_BINUTILS_PLUGINS}" = "y" ]; then
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# Create a directory for plugins such as LTO (to be installed by
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# their providers later)
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CT_DoExecLog ALL mkdir -p "${CT_PREFIX_DIR}/lib/bfd-plugins"
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fi
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if [ "${build_manuals}" = "y" ]; then
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CT_DoLog EXTRA "Building and installing the binutils manuals"
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manuals_for=( gas binutils ld gprof )
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if [ "${CT_BINUTILS_LINKER_GOLD}" = "y" ]; then
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manuals_for+=( gold )
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fi
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manuals_install=( "${manuals_for[@]/#/install-pdf-}" )
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manuals_install+=( "${manuals_for[@]/#/install-html-}" )
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CT_DoExecLog ALL make ${CT_JOBSFLAGS} pdf html
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CT_DoExecLog ALL make "${manuals_install[@]}"
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fi
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# Install the wrapper if needed
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if [ "${CT_BINUTILS_LD_WRAPPER}" = "y" ]; then
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CT_DoLog EXTRA "Installing ld wrapper"
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rm -f "${prefix}/bin/${CT_TARGET}-ld"
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rm -f "${prefix}/${CT_TARGET}/bin/ld"
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sed -r -e "s/@@DEFAULT_LD@@/${CT_BINUTILS_LINKER_DEFAULT}/" \
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"${CT_LIB_DIR}/packages/binutils/binutils-ld.in" \
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>"${prefix}/bin/${CT_TARGET}-ld"
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chmod a+x "${prefix}/bin/${CT_TARGET}-ld"
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cp -a "${prefix}/bin/${CT_TARGET}-ld" \
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"${prefix}/${CT_TARGET}/bin/ld"
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# If needed, force using ld.bfd during the toolchain build.
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# Note that
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if [ "${CT_BINUTILS_FORCE_LD_BFD_DEFAULT}" = "y" ]; then
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CT_EnvModify export CTNG_LD_IS bfd
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fi
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fi
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}
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# Build elf2flt for X -> target
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# Parameter : description : type : default
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# host : machine to run on : tuple : (none)
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# prefix : prefix to install into : dir : (none)
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# static_build : build statcially : bool : no
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# cflags : cflags to use : string : (empty)
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# ldflags : ldflags to use : string : (empty)
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# binutils_src : source dir of binutils : dir : (none)
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# binutils_bld : build dir of binutils : dir : (none)
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# build_manuals : whether to build manuals : bool : no
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do_elf2flt_backend() {
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local host
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local prefix
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local static_build
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local cflags
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local ldflags
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local binutils_bld
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local binutils_src
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local build_manuals
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local arg
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for arg in "$@"; do
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eval "${arg// /\\ }"
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done
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CT_DoLog EXTRA "Configuring elf2flt"
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CT_DoExecLog CFG \
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CFLAGS="${cflags}" \
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LDFLAGS="${ldflags}" \
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${CONFIG_SHELL} \
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"${CT_SRC_DIR}/elf2flt/configure" \
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--build=${CT_BUILD} \
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--host=${host} \
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--target=${CT_TARGET} \
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--prefix=${prefix} \
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--with-bfd-include-dir=${binutils_bld}/bfd \
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--with-binutils-include-dir=${binutils_src}/include \
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--with-libbfd=${binutils_bld}/bfd/libbfd.a \
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--with-libiberty=${binutils_bld}/libiberty/libiberty.a \
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--disable-werror \
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${elf2flt_opts} \
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"${CT_ELF2FLT_EXTRA_CONFIG_ARRAY[@]}"
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CT_DoLog EXTRA "Building elf2flt"
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CT_DoExecLog ALL make ${CT_JOBSFLAGS} CPU=${CT_ARCH}
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CT_DoLog EXTRA "Installing elf2flt"
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CT_DoExecLog ALL make install
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}
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# Now on for the target libraries
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do_binutils_for_target() {
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local -a extra_config
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local -a targets
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local -a build_targets
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local -a install_targets
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local t
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[ "${CT_BINUTILS_FOR_TARGET_IBERTY}" = "y" ] && targets+=("libiberty")
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[ "${CT_BINUTILS_FOR_TARGET_BFD}" = "y" ] && targets+=("bfd")
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for t in "${targets[@]}"; do
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build_targets+=("all-${t}")
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install_targets+=("install-${t}")
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done
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if [ "${#targets[@]}" -ne 0 ]; then
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CT_DoStep INFO "Installing binutils for target"
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mkdir -p "${CT_BUILD_DIR}/build-binutils-for-target"
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CT_Pushd "${CT_BUILD_DIR}/build-binutils-for-target"
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CT_DoLog EXTRA "Configuring binutils for target"
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if [ "${CT_BINUTILS_HAS_PKGVERSION_BUGURL}" = "y" ]; then
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[ -n "${CT_PKGVERSION}" ] && extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
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[ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
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fi
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if [ "${CT_MULTILIB}" = "y" ]; then
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extra_config+=("--enable-multilib")
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else
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extra_config+=("--disable-multilib")
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fi
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if [ "${CT_BINUTILS_FOR_TARGET_IBERTY}" = "y" ]; then
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extra_config+=("--enable-install-libiberty")
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fi
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[ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
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CT_DoExecLog CFG \
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${CONFIG_SHELL} \
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"${CT_SRC_DIR}/binutils/configure" \
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--build=${CT_BUILD} \
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--host=${CT_TARGET} \
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--target=${CT_TARGET} \
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--prefix=/usr \
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--disable-werror \
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--enable-shared \
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--enable-static \
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"${extra_config[@]}" \
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${CT_ARCH_WITH_FLOAT} \
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"${CT_BINUTILS_EXTRA_CONFIG_ARRAY[@]}"
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CT_DoLog EXTRA "Building binutils' libraries (${targets[*]}) for target"
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CT_DoExecLog ALL make ${CT_JOBSFLAGS} "${build_targets[@]}"
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CT_DoLog EXTRA "Installing binutils' libraries (${targets[*]}) for target"
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CT_DoExecLog ALL make DESTDIR="${CT_SYSROOT_DIR}" "${install_targets[@]}"
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CT_Popd
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CT_EndStep
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fi
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}
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