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crosstool-ng/scripts/build/cc/gcc.sh
Johannes Pfau 586e30f726 Only create ${CT_TARGET}-cc${ext} symlink if ${CT_TARGET}-gcc exists 
Without this canadion cross builds create invalid symlinks:
When the code in do_cc_core_backend is called there is no
${CT_TARGET}-gcc in the install directory. Therefore ext is empty and
we create a link to ${CT_TARGET}-gcc. The final compiler
step then installs ${CT_TARGET}-gcc.exe and creates a working
${CT_TARGET}-cc.exe symlink but we still keep the invalid link
as well.

Signed-off-by: Johannes Pfau <johannespfau@gmail.com>
2015-04-07 20:14:26 +02:00

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# This file adds the function to build the gcc C compiler
# Copyright 2007 Yann E. MORIN
# Licensed under the GPL v2. See COPYING in the root of this package
# Download gcc
do_cc_get() {
local linaro_version=""
local linaro_series=""
if [ "${CT_CC_CUSTOM}" = "y" ]; then
CT_GetCustom "gcc" "${CT_CC_VERSION}" "${CT_CC_CUSTOM_LOCATION}"
else
# Account for the Linaro versioning
linaro_version="$( echo "${CT_CC_VERSION}" \
|${sed} -r -e 's/^linaro-//;' \
)"
linaro_series="$( echo "${linaro_version}" \
|${sed} -r -e 's/-.*//;' \
)"
# The official gcc hosts put gcc under a gcc/release/ directory,
# whereas the mirrors put it in the gcc/ directory.
# Also, Split out linaro mirrors, so that downloads happen faster.
if [ x"${linaro_version}" = x"${CT_CC_VERSION}" ]; then
CT_GetFile "gcc-${CT_CC_VERSION}" \
{http,ftp,https}://ftp.gnu.org/gnu/gcc/gcc-${CT_CC_VERSION} \
ftp://{gcc.gnu.org,sourceware.org}/pub/gcc/releases/gcc-${CT_CC_VERSION}
else
YYMM=`echo ${CT_CC_VERSION} |cut -d- -f3 |${sed} -e 's,^..,,'`
CT_GetFile "gcc-${CT_CC_VERSION}" \
"http://launchpad.net/gcc-linaro/${linaro_series}/${linaro_version}/+download" \
https://releases.linaro.org/${YYMM}/components/toolchain/gcc-linaro/${linaro_series} \
http://cbuild.validation.linaro.org/snapshots
fi
fi # ! custom location
# Starting with GCC 4.3, ecj is used for Java, and will only be
# built if the configure script finds ecj.jar at the top of the
# GCC source tree, which will not be there unless we get it and
# put it there ourselves
if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" ]; then
CT_GetFile ecj-latest .jar http://mirrors.kernel.org/sourceware/java/ \
http://crosstool-ng.org/pub/java \
ftp://gcc.gnu.org/pub/java \
ftp://sourceware.org/pub/java
fi
}
# Extract gcc
do_cc_extract() {
# If using custom directory location, nothing to do
if [ "${CT_CC_CUSTOM}" = "y" \
-a -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}" ]; then
return 0
fi
CT_Extract "gcc-${CT_CC_VERSION}"
CT_Patch "gcc" "${CT_CC_VERSION}"
# Copy ecj-latest.jar to ecj.jar at the top of the GCC source tree
if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" \
-a ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar" \
]; then
CT_DoExecLog ALL cp -v "${CT_TARBALLS_DIR}/ecj-latest.jar" "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"
fi
}
#------------------------------------------------------------------------------
# This function builds up the set of languages to enable
# No argument expected, returns the comma-separated language list on stdout
cc_gcc_lang_list() {
local lang_list
lang_list="c"
[ "${CT_CC_LANG_CXX}" = "y" ] && lang_list+=",c++"
[ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_list+=",fortran"
[ "${CT_CC_LANG_ADA}" = "y" ] && lang_list+=",ada"
[ "${CT_CC_LANG_JAVA}" = "y" ] && lang_list+=",java"
[ "${CT_CC_LANG_OBJC}" = "y" ] && lang_list+=",objc"
[ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_list+=",obj-c++"
[ "${CT_CC_LANG_GOLANG}" = "y" ] && lang_list+=",go"
lang_list+="${CT_CC_LANG_OTHERS:+,${CT_CC_LANG_OTHERS}}"
printf "%s" "${lang_list}"
}
#------------------------------------------------------------------------------
# Core gcc pass 1
do_cc_core_pass_1() {
local -a core_opts
if [ "${CT_CC_CORE_PASS_1_NEEDED}" != "y" ]; then
return 0
fi
core_opts+=( "mode=static" )
core_opts+=( "host=${CT_BUILD}" )
core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
core_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
core_opts+=( "lang_list=c" )
CT_DoStep INFO "Installing pass-1 core C compiler"
CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-1"
do_cc_core_backend "${core_opts[@]}"
CT_Popd
CT_EndStep
}
# Core gcc pass 2
do_cc_core_pass_2() {
local -a core_opts
if [ "${CT_CC_CORE_PASS_2_NEEDED}" != "y" ]; then
return 0
fi
# Common options:
core_opts+=( "host=${CT_BUILD}" )
core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
core_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
core_opts+=( "lang_list=c" )
# Different conditions are at stake here:
# - In case the threading model is NPTL, we need a shared-capable core
# gcc; in all other cases, we need a static-only core gcc.
# - In case the threading model is NPTL or win32, or gcc is 4.3 or
# later, we need to build libgcc
case "${CT_THREADS}" in
nptl)
core_opts+=( "mode=shared" )
core_opts+=( "build_libgcc=yes" )
;;
win32)
core_opts+=( "mode=static" )
core_opts+=( "build_libgcc=yes" )
;;
*)
core_opts+=( "mode=static" )
if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
core_opts+=( "build_libgcc=yes" )
fi
;;
esac
CT_DoStep INFO "Installing pass-2 core C compiler"
CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-2"
do_cc_core_backend "${core_opts[@]}"
CT_Popd
CT_EndStep
}
#------------------------------------------------------------------------------
# Build core gcc
# This function is used to build the core C compiler.
# Usage: do_cc_core_backend param=value [...]
# Parameter : Definition : Type : Default
# mode : build a 'static', 'shared' or 'baremetal' : string : (none)
# host : the machine the core will run on : tuple : (none)
# prefix : dir prefix to install into : dir : (none)
# complibs : dir where complibs are isntalled : dir : (none)
# lang_list : the list of languages to build : string : (empty)
# build_libgcc : build libgcc or not : bool : no
# build_libstdcxx : build libstdc++ or not : bool : no
# build_libgfortran : build libgfortran or not : bool : no
# build_staticlinked : build statically linked or not : bool : no
# build_manuals : whether to build manuals or not : bool : no
# cflags : cflags to use : string : (empty)
# ldflags : ldflags to use : string : (empty)
# Usage: do_cc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]
do_cc_core_backend() {
local mode
local build_libgcc=no
local build_libstdcxx=no
local build_libgfortran=no
local build_staticlinked=no
local build_manuals=no
local host
local prefix
local complibs
local lang_list
local cflags
local ldflags
local tmp
local -a host_libstdcxx_flags
local -a extra_config
local -a core_LDFLAGS
local -a core_targets
local -a extra_user_config
local arg
for arg in "$@"; do
eval "${arg// /\\ }"
done
CT_DoLog EXTRA "Configuring gcc"
case "${mode}" in
static)
extra_config+=("--with-newlib")
extra_config+=("--enable-threads=no")
extra_config+=("--disable-shared")
extra_user_config=( "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}" )
;;
shared)
extra_config+=("--enable-shared")
extra_user_config=( "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}" )
;;
baremetal)
extra_config+=("--with-newlib")
extra_config+=("--enable-threads=no")
extra_config+=("--disable-shared")
extra_user_config=( "${CT_CC_EXTRA_CONFIG_ARRAY[@]}" )
;;
*)
CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
;;
esac
if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
# Bare metal delivers the core compiler as final compiler, so add version info and bugurl
extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
[ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
fi
CT_DoLog DEBUG "Copying headers to install area of core C compiler"
CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${prefix}/${CT_TARGET}/include"
for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
eval tmp="\${CT_ARCH_WITH_${tmp}}"
if [ -n "${tmp}" ]; then
extra_config+=("${tmp}")
fi
done
if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
extra_config+=("--enable-__cxa_atexit")
else
extra_config+=("--disable-__cxa_atexit")
fi
core_LDFLAGS+=("${ldflags}")
# *** WARNING ! ***
# Keep this full if-else-if-elif-fi-fi block in sync
# with the same block in do_cc, below.
if [ "${build_staticlinked}" = "yes" ]; then
core_LDFLAGS+=("-static")
host_libstdcxx_flags+=("-static-libgcc")
host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
host_libstdcxx_flags+=("-lm")
# Companion libraries are build static (eg !shared), so
# the libstdc++ is not pulled automatically, although it
# is needed. Shoe-horn it in our LDFLAGS
# Ditto libm on some Fedora boxen
core_LDFLAGS+=("-lstdc++")
core_LDFLAGS+=("-lm")
else
if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
# this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
# build script
# INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
# see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
host_libstdcxx_flags+=("-static-libgcc")
host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
host_libstdcxx_flags+=("-lm")
elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
# When companion libraries are build static (eg !shared),
# the libstdc++ is not pulled automatically, although it
# is needed. Shoe-horn it in our LDFLAGS
# Ditto libm on some Fedora boxen
core_LDFLAGS+=("-lstdc++")
core_LDFLAGS+=("-lm")
fi
fi
if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
extra_config+=("--with-gmp=${complibs}")
extra_config+=("--with-mpfr=${complibs}")
fi
if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
extra_config+=("--with-mpc=${complibs}")
fi
if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
if [ "${CT_PPL}" = "y" ]; then
extra_config+=("--with-ppl=${complibs}")
# With PPL 0.11+, also pull libpwl if needed
if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
host_libstdcxx_flags+=("-L${complibs}/lib")
host_libstdcxx_flags+=("-lpwl")
fi
fi
if [ "${CT_ISL}" = "y" ]; then
extra_config+=("--with-isl=${complibs}")
fi
extra_config+=("--with-cloog=${complibs}")
elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
extra_config+=("--with-ppl=no")
extra_config+=("--with-isl=no")
extra_config+=("--with-cloog=no")
fi
if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
extra_config+=("--with-libelf=${complibs}")
extra_config+=("--enable-lto")
elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
extra_config+=("--with-libelf=no")
extra_config+=("--disable-lto")
fi
if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
fi
if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
extra_config+=("--enable-target-optspace")
fi
case "${CT_CC_GCC_LDBL_128}" in
y) extra_config+=("--with-long-double-128");;
m) ;;
"") extra_config+=("--without-long-double-128");;
esac
if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
extra_config+=( --enable-linker-build-id )
fi
case "${CT_CC_GCC_LNK_HASH_STYLE}" in
"") ;;
*) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
esac
case "${CT_CC_GCC_DEC_FLOATS}" in
"") ;;
*) extra_config+=( "--enable-decimal-float=${CT_CC_GCC_DEC_FLOATS}" );;
esac
case "${CT_ARCH}" in
mips)
case "${CT_CC_GCC_mips_llsc}" in
y) extra_config+=( --with-llsc );;
m) ;;
*) extra_config+=( --without-llsc );;
esac
case "${CT_CC_GCC_mips_synci}" in
y) extra_config+=( --with-synci );;
m) ;;
*) extra_config+=( --without-synci );;
esac
if [ "${CT_CC_GCC_mips_plt}" ]; then
extra_config+=( --with-mips-plt )
fi
;; # ARCH is mips
esac
extra_config+=(--disable-libgomp)
extra_config+=(--disable-libmudflap)
[ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
[ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")
if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
extra_config+=("--with-system-zlib")
fi
# Some versions of gcc have a deffective --enable-multilib.
# Since that's the default, only pass --disable-multilib.
if [ "${CT_MULTILIB}" != "y" ]; then
extra_config+=("--disable-multilib")
fi
CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
# Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
CT_DoExecLog CFG \
CC_FOR_BUILD="${CT_BUILD}-gcc" \
CFLAGS="${cflags}" \
CXXFLAGS="${cflags}" \
LDFLAGS="${core_LDFLAGS[*]}" \
"${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
--build=${CT_BUILD} \
--host=${host} \
--target=${CT_TARGET} \
--prefix="${prefix}" \
--with-local-prefix="${CT_SYSROOT_DIR}" \
--disable-libmudflap \
${CC_CORE_SYSROOT_ARG} \
"${extra_config[@]}" \
--enable-languages="${lang_list}" \
"${extra_user_config[@]}"
if [ "${build_libgcc}" = "yes" ]; then
# HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
# gcc/config/t-libunwind so -lc is removed from the link for
# libgcc_s.so, as we do not have a target -lc yet.
# This is not as ugly as it appears to be ;-) All symbols get resolved
# during the glibc build, and we provide a proper libgcc_s.so for the
# cross toolchain during the final gcc build.
#
# As we cannot modify the source tree, nor override SHLIB_LC itself
# during configure or make, we have to edit the resultant
# gcc/libgcc.mk itself to remove -lc from the link.
# This causes us to have to jump through some hoops...
#
# To produce libgcc.mk to edit we firstly require libiberty.a,
# so we configure then build it.
# Next we have to configure gcc, create libgcc.mk then edit it...
# So much easier if we just edit the source tree, but hey...
if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty
CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp
CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
else
CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty
CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
fi
# HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber
CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
fi
# HACK: gcc-4.8 uses libbacktrace to make libgcc.mvars, so make it here.
if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libbacktrace" ]; then
CT_DoExecLog CFG make ${JOBSFLAGS} configure-libbacktrace
CT_DoExecLog ALL make ${JOBSFLAGS} -C libbacktrace
fi
# Starting with GCC 4.3, libgcc.mk is no longer built,
# and libgcc.mvars is used instead.
if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
libgcc_rule="libgcc.mvars"
core_targets=( gcc target-libgcc )
else
libgcc_rule="libgcc.mk"
core_targets=( gcc )
fi
# On bare metal and canadian build the host-compiler is used when
# actually the build-system compiler is required. Choose the correct
# compilers for canadian build and use the defaults on other
# configurations.
if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
CXX_FOR_BUILD=${CT_BUILD}-g++ \
GCC_FOR_TARGET=${CT_TARGET}-gcc"
else
repair_cc=""
fi
CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
${repair_cc}
sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
else # build_libgcc
core_targets=( gcc )
fi # ! build libgcc
if [ "${build_libstdcxx}" = "yes" \
-a "${CT_CC_LANG_CXX}" = "y" \
]; then
core_targets+=( target-libstdc++-v3 )
fi
if [ "${build_libgfortran}" = "yes" \
-a "${CT_CC_LANG_FORTRAN}" = "y" \
]; then
core_targets+=( target-libgfortran )
fi
CT_DoLog EXTRA "Building gcc"
CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
CT_DoLog EXTRA "Installing gcc"
CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"
if [ "${build_manuals}" = "yes" ]; then
CT_DoLog EXTRA "Building the GCC manuals"
CT_DoExecLog ALL make pdf html
CT_DoLog EXTRA "Installing the GCC manuals"
CT_DoExecLog ALL make install-{pdf,html}-gcc
fi
# Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
# to call the C compiler with the same, somewhat canonical name.
# check whether compiler has an extension
file="$( ls -1 "${prefix}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
[ -z "${file}" ] || ext=".${file##*.}"
if [ -f "${prefix}/bin/${CT_TARGET}-gcc${ext}" ]; then
CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
fi
if [ "${CT_MULTILIB}" = "y" ]; then
if [ "${CT_CANADIAN}" = "y" -a "${mode}" = "baremetal" \
-a "${host}" = "${CT_HOST}" ]; then
CT_DoLog WARN "Canadian Cross unable to confirm multilibs configured correctly"
else
multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib \
|tail -n +2 ) )
if [ ${#multilibs[@]} -ne 0 ]; then
CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
for i in "${multilibs[@]}"; do
dir="${i%%;*}"
flags="${i#*;}"
CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
done
else
CT_DoLog WARN "gcc configured for multilib, but none available"
fi
fi
fi
}
#------------------------------------------------------------------------------
# Build complete gcc to run on build
do_cc_for_build() {
local -a build_final_opts
local build_final_backend
# In case we're canadian or cross-native, it seems that a
# real, complete compiler is needed?!? WTF? Sigh...
# Otherwise, there is nothing to do.
case "${CT_TOOLCHAIN_TYPE}" in
native|cross) return 0;;
esac
build_final_opts+=( "host=${CT_BUILD}" )
build_final_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
build_final_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
build_final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
if [ "${CT_BARE_METAL}" = "y" ]; then
# In the tests I've done, bare-metal was not impacted by the
# lack of such a compiler, but better safe than sorry...
build_final_opts+=( "mode=baremetal" )
build_final_opts+=( "build_libgcc=yes" )
build_final_opts+=( "build_libstdcxx=yes" )
build_final_opts+=( "build_libgfortran=yes" )
if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
build_final_opts+=( "build_staticlinked=yes" )
fi
build_final_backend=do_cc_core_backend
else
build_final_backend=do_cc_backend
fi
CT_DoStep INFO "Installing final compiler for build"
CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final-build-${CT_BUILD}"
"${build_final_backend}" "${build_final_opts[@]}"
CT_Popd
CT_EndStep
}
#------------------------------------------------------------------------------
# Build final gcc to run on host
do_cc_for_host() {
local -a final_opts
local final_backend
final_opts+=( "host=${CT_HOST}" )
final_opts+=( "prefix=${CT_PREFIX_DIR}" )
final_opts+=( "complibs=${CT_HOST_COMPLIBS_DIR}" )
final_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
final_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
if [ "${CT_BUILD_MANUALS}" = "y" ]; then
final_opts+=( "build_manuals=yes" )
fi
if [ "${CT_BARE_METAL}" = "y" ]; then
final_opts+=( "mode=baremetal" )
final_opts+=( "build_libgcc=yes" )
final_opts+=( "build_libstdcxx=yes" )
final_opts+=( "build_libgfortran=yes" )
if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
final_opts+=( "build_staticlinked=yes" )
fi
final_backend=do_cc_core_backend
else
final_backend=do_cc_backend
fi
CT_DoStep INFO "Installing final compiler"
CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final"
"${final_backend}" "${final_opts[@]}"
CT_Popd
CT_EndStep
}
#------------------------------------------------------------------------------
# Build the final gcc
# Usage: do_cc_backend param=value [...]
# Parameter : Definition : Type : Default
# host : the host we run onto : tuple : (none)
# prefix : the runtime prefix : dir : (none)
# complibs : the companion libraries prefix : dir : (none)
# cflags : cflags to use : string : (empty)
# ldflags : ldflags to use : string : (empty)
# lang_list : the list of languages to build : string : (empty)
# build_manuals : whether to build manuals or not : bool : no
do_cc_backend() {
local host
local prefix
local complibs
local cflags
local ldflags
local lang_list
local build_manuals
local -a host_libstdcxx_flags
local -a extra_config
local -a final_LDFLAGS
local tmp
local arg
for arg in "$@"; do
eval "${arg// /\\ }"
done
CT_DoLog EXTRA "Configuring gcc"
# Enable selected languages
extra_config+=("--enable-languages=${lang_list}")
for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
eval tmp="\${CT_ARCH_WITH_${tmp}}"
if [ -n "${tmp}" ]; then
extra_config+=("${tmp}")
fi
done
[ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
[ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
fi
case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
y) extra_config+=("--enable-sjlj-exceptions");;
m) ;;
"") extra_config+=("--disable-sjlj-exceptions");;
esac
if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
extra_config+=("--enable-__cxa_atexit")
else
extra_config+=("--disable-__cxa_atexit")
fi
if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
fi
if [ "${CT_CC_GCC_4_8_or_later}" = "y" ]; then
if [ "${CT_THREADS}" = "none" ]; then
extra_config+=(--disable-libatomic)
fi
fi
if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
extra_config+=(--enable-libmudflap)
else
extra_config+=(--disable-libmudflap)
fi
if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
extra_config+=(--enable-libgomp)
else
extra_config+=(--disable-libgomp)
fi
if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
extra_config+=(--enable-libssp)
else
extra_config+=(--disable-libssp)
fi
if [ "${CT_CC_GCC_HAS_LIBQUADMATH}" = "y" ]; then
if [ "${CT_CC_GCC_LIBQUADMATH}" = "y" ]; then
extra_config+=(--enable-libquadmath)
extra_config+=(--enable-libquadmath-support)
else
extra_config+=(--disable-libquadmath)
extra_config+=(--disable-libquadmath-support)
fi
fi
if [ "${CT_CC_GCC_HAS_LIBSANITIZER}" = "y" ]; then
if [ "${CT_CC_GCC_LIBSANITIZER}" = "y" ]; then
extra_config+=(--enable-libsanitizer)
else
extra_config+=(--disable-libsanitizer)
fi
fi
final_LDFLAGS+=("${ldflags}")
# *** WARNING ! ***
# Keep this full if-else-if-elif-fi-fi block in sync
# with the same block in do_cc_core, above.
if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
final_LDFLAGS+=("-static")
host_libstdcxx_flags+=("-static-libgcc")
host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
host_libstdcxx_flags+=("-lm")
# Companion libraries are build static (eg !shared), so
# the libstdc++ is not pulled automatically, although it
# is needed. Shoe-horn it in our LDFLAGS
# Ditto libm on some Fedora boxen
final_LDFLAGS+=("-lstdc++")
final_LDFLAGS+=("-lm")
else
if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
# this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
# build script
# INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
# see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
host_libstdcxx_flags+=("-static-libgcc")
host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
host_libstdcxx_flags+=("-lm")
elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
# When companion libraries are build static (eg !shared),
# the libstdc++ is not pulled automatically, although it
# is needed. Shoe-horn it in our LDFLAGS
# Ditto libm on some Fedora boxen
final_LDFLAGS+=("-lstdc++")
final_LDFLAGS+=("-lm")
fi
fi
if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
extra_config+=("--with-gmp=${complibs}")
extra_config+=("--with-mpfr=${complibs}")
fi
if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
extra_config+=("--with-mpc=${complibs}")
fi
if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
if [ "${CT_PPL}" = "y" ]; then
extra_config+=("--with-ppl=${complibs}")
# With PPL 0.11+, also pull libpwl if needed
if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
host_libstdcxx_flags+=("-L${complibs}/lib")
host_libstdcxx_flags+=("-lpwl")
fi
fi
if [ "${CT_ISL}" = "y" ]; then
extra_config+=("--with-isl=${complibs}")
fi
extra_config+=("--with-cloog=${complibs}")
elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
extra_config+=("--with-ppl=no")
extra_config+=("--with-isl=no")
extra_config+=("--with-cloog=no")
fi
if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
extra_config+=("--with-libelf=${complibs}")
elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
extra_config+=("--with-libelf=no")
fi
if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
fi
if [ "${CT_THREADS}" = "none" ]; then
extra_config+=("--disable-threads")
if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
extra_config+=("--disable-libgomp")
fi
else
if [ "${CT_THREADS}" = "win32" ]; then
extra_config+=("--enable-threads=win32")
extra_config+=("--disable-win32-registry")
else
extra_config+=("--enable-threads=posix")
fi
fi
if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
extra_config+=("--enable-target-optspace")
fi
if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
extra_config+=("--disable-libstdcxx-pch")
fi
case "${CT_CC_GCC_LDBL_128}" in
y) extra_config+=("--with-long-double-128");;
m) ;;
"") extra_config+=("--without-long-double-128");;
esac
if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
extra_config+=( --enable-linker-build-id )
fi
case "${CT_CC_GCC_LNK_HASH_STYLE}" in
"") ;;
*) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
esac
case "${CT_CC_GCC_DEC_FLOATS}" in
"") ;;
*) extra_config+=( "--enable-decimal-float=${CT_CC_GCC_DEC_FLOATS}" );;
esac
if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
extra_config+=( --enable-plugin )
fi
if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
extra_config+=( --enable-gold )
fi
case "${CT_ARCH}" in
mips)
case "${CT_CC_GCC_mips_llsc}" in
y) extra_config+=( --with-llsc );;
m) ;;
*) extra_config+=( --without-llsc );;
esac
case "${CT_CC_GCC_mips_synci}" in
y) extra_config+=( --with-synci );;
m) ;;
*) extra_config+=( --without-synci );;
esac
if [ "${CT_CC_GCC_mips_plt}" ]; then
extra_config+=( --with-mips-plt )
fi
;; # ARCH is mips
esac
[ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
extra_config+=("--with-system-zlib")
fi
# Some versions of gcc have a deffective --enable-multilib.
# Since that's the default, only pass --disable-multilib.
if [ "${CT_MULTILIB}" != "y" ]; then
extra_config+=("--disable-multilib")
fi
CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
CT_DoExecLog CFG \
CC_FOR_BUILD="${CT_BUILD}-gcc" \
CFLAGS="${cflags}" \
CXXFLAGS="${cflags}" \
LDFLAGS="${final_LDFLAGS[*]}" \
CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
"${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
--build=${CT_BUILD} \
--host=${host} \
--target=${CT_TARGET} \
--prefix="${prefix}" \
${CC_SYSROOT_ARG} \
"${extra_config[@]}" \
--with-local-prefix="${CT_SYSROOT_DIR}" \
--enable-c99 \
--enable-long-long \
"${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
if [ "${CT_CANADIAN}" = "y" ]; then
CT_DoLog EXTRA "Building libiberty"
CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
fi
CT_DoLog EXTRA "Building gcc"
CT_DoExecLog ALL make ${JOBSFLAGS} all
CT_DoLog EXTRA "Installing gcc"
CT_DoExecLog ALL make ${JOBSFLAGS} install
if [ "${build_manuals}" = "yes" ]; then
CT_DoLog EXTRA "Building the GCC manuals"
CT_DoExecLog ALL make pdf html
CT_DoLog EXTRA "Installing the GCC manuals"
CT_DoExecLog ALL make install-{pdf,html}-gcc
fi
# Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
# to call the C compiler with the same, somewhat canonical name.
# check whether compiler has an extension
file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
[ -z "${file}" ] || ext=".${file##*.}"
if [ -f "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc${ext}" ]; then
CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"
fi
if [ "${CT_MULTILIB}" = "y" ]; then
if [ "${CT_CANADIAN}" = "y" ]; then
CT_DoLog WARN "Canadian Cross unable to confirm multilibs configured correctly"
else
multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib \
|tail -n +2 ) )
if [ ${#multilibs[@]} -ne 0 ]; then
CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
for i in "${multilibs[@]}"; do
dir="${i%%;*}"
flags="${i#*;}"
CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
done
else
CT_DoLog WARN "gcc configured for multilib, but none available"
fi
fi
fi
}
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