1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/scripts/build/libc/glibc-eglibc.sh-common Mon Jan 17 23:04:37 2011 +0100
1.3 @@ -0,0 +1,215 @@
1.4 +# This file contains the functions common to glibc and eglibc
1.5 +
1.6 +# Build and install headers file
1.7 +# This is a no-op
1.8 +do_libc_headers() {
1.9 + :
1.10 +}
1.11 +
1.12 +# Build and install headers and start files
1.13 +do_libc_start_files() {
1.14 + CT_DoStep INFO "Installing C library headers / start files"
1.15 +
1.16 + mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
1.17 + cd "${CT_BUILD_DIR}/build-libc-startfiles"
1.18 +
1.19 + CT_DoLog EXTRA "Configuring C library"
1.20 +
1.21 + if [ "${CT_EGLIBC_CUSTOM_CONFIG}" = "y" ]; then
1.22 + CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/eglibc.config" option-groups.config
1.23 + fi
1.24 +
1.25 + cross_cc=$(CT_Which "${CT_TARGET}-gcc")
1.26 + cross_cxx=$(CT_Which "${CT_TARGET}-g++")
1.27 + cross_ar=$(CT_Which "${CT_TARGET}-ar")
1.28 + cross_ranlib=$(CT_Which "${CT_TARGET}-ranlib")
1.29 +
1.30 + CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
1.31 + CT_DoLog DEBUG "Using g++ for target: '${cross_cxx}'"
1.32 + CT_DoLog DEBUG "Using ar for target: '${cross_ar}'"
1.33 + CT_DoLog DEBUG "Using ranlib for target: '${cross_ranlib}'"
1.34 +
1.35 + BUILD_CC="${CT_BUILD}-gcc" \
1.36 + CC=${cross_cc} \
1.37 + CXX=${cross_cxx} \
1.38 + AR=${cross_ar} \
1.39 + RANLIB=${cross_ranlib} \
1.40 + CT_DoExecLog CFG \
1.41 + "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/configure" \
1.42 + --prefix=/usr \
1.43 + --with-headers="${CT_HEADERS_DIR}" \
1.44 + --build="${CT_BUILD}" \
1.45 + --host="${CT_TARGET}" \
1.46 + --disable-profile \
1.47 + --without-gd \
1.48 + --without-cvs \
1.49 + --enable-add-ons
1.50 +
1.51 + CT_DoLog EXTRA "Installing C library headers"
1.52 +
1.53 + # use the 'install-headers' makefile target to install the
1.54 + # headers
1.55 +
1.56 + CT_DoExecLog ALL \
1.57 + make install-headers \
1.58 + install_root=${CT_SYSROOT_DIR} \
1.59 + install-bootstrap-headers=yes
1.60 +
1.61 + CT_DoLog EXTRA "Installing C library start files"
1.62 +
1.63 + # there are a few object files needed to link shared libraries,
1.64 + # which we build and install by hand
1.65 +
1.66 + CT_DoExecLog ALL mkdir -p ${CT_SYSROOT_DIR}/usr/lib
1.67 + CT_DoExecLog ALL make csu/subdir_lib
1.68 + CT_DoExecLog ALL cp csu/crt1.o csu/crti.o csu/crtn.o \
1.69 + ${CT_SYSROOT_DIR}/usr/lib
1.70 +
1.71 + # Finally, 'libgcc_s.so' requires a 'libc.so' to link against.
1.72 + # However, since we will never actually execute its code,
1.73 + # it doesn't matter what it contains. So, treating '/dev/null'
1.74 + # as a C source file, we produce a dummy 'libc.so' in one step
1.75 +
1.76 + CT_DoExecLog ALL ${cross_cc} -nostdlib -nostartfiles -shared -x c /dev/null -o ${CT_SYSROOT_DIR}/usr/lib/libc.so
1.77 +
1.78 + CT_EndStep
1.79 +}
1.80 +
1.81 +# This function builds and install the full C library
1.82 +do_libc() {
1.83 + local -a extra_config
1.84 +
1.85 + CT_DoStep INFO "Installing C library"
1.86 +
1.87 + mkdir -p "${CT_BUILD_DIR}/build-libc"
1.88 + cd "${CT_BUILD_DIR}/build-libc"
1.89 +
1.90 + CT_DoLog EXTRA "Configuring C library"
1.91 +
1.92 + if [ "${CT_EGLIBC_CUSTOM_CONFIG}" = "y" ]; then
1.93 + CT_DoExecLog ALL cp "${CT_CONFIG_DIR}/eglibc.config" option-groups.config
1.94 + fi
1.95 +
1.96 + if [ "${CT_EGLIBC_OPT_SIZE}" = "y" ]; then
1.97 + OPTIMIZE=-Os
1.98 + else
1.99 + OPTIMIZE=-O2
1.100 + fi
1.101 +
1.102 + # Add some default glibc config options if not given by user.
1.103 + # We don't need to be conditional on wether the user did set different
1.104 + # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
1.105 +
1.106 + extra_config+=("--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')")
1.107 +
1.108 + case "${CT_THREADS}" in
1.109 + nptl) extra_config+=("--with-__thread" "--with-tls");;
1.110 + linuxthreads) extra_config+=("--with-__thread" "--without-tls" "--without-nptl");;
1.111 + none) extra_config+=("--without-__thread" "--without-nptl")
1.112 + case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
1.113 + *-tls*) ;;
1.114 + *) extra_config+=("--without-tls");;
1.115 + esac
1.116 + ;;
1.117 + esac
1.118 +
1.119 + case "${CT_SHARED_LIBS}" in
1.120 + y) extra_config+=("--enable-shared");;
1.121 + *) extra_config+=("--disable-shared");;
1.122 + esac
1.123 +
1.124 + case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
1.125 + y,) extra_config+=("--with-fp");;
1.126 + ,y) extra_config+=("--without-fp");;
1.127 + esac
1.128 +
1.129 + if [ "${CT_LIBC_DISABLE_VERSIONING}" = "y" ]; then
1.130 + extra_config+=("--disable-versioning")
1.131 + fi
1.132 +
1.133 + if [ "${CT_LIBC_OLDEST_ABI}" != "" ]; then
1.134 + extra_config+=("--enable-oldest-abi=${CT_LIBC_OLDEST_ABI}")
1.135 + fi
1.136 +
1.137 + case "$(do_libc_add_ons_list ,)" in
1.138 + "") ;;
1.139 + *) extra_config+=("--enable-add-ons=$(do_libc_add_ons_list ,)");;
1.140 + esac
1.141 +
1.142 + extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
1.143 +
1.144 + cross_cc=$(CT_Which "${CT_TARGET}-gcc")
1.145 +
1.146 + CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
1.147 + CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
1.148 + CT_DoLog DEBUG "Extra config args passed: '${extra_config[*]}'"
1.149 + CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
1.150 +
1.151 + # ./configure is mislead by our tools override wrapper for bash
1.152 + # so just tell it where the real bash is _on_the_target_!
1.153 + # Notes:
1.154 + # - ${ac_cv_path_BASH_SHELL} is only used to set BASH_SHELL
1.155 + # - ${BASH_SHELL} is only used to set BASH
1.156 + # - ${BASH} is only used to set the shebang
1.157 + # in two scripts to run on the target
1.158 + # So we can safely bypass bash detection at compile time.
1.159 + # Should this change in a future eglibc release, we'd better
1.160 + # directly mangle the generated scripts _after_ they get built,
1.161 + # or even after they get installed... eglibc is such a sucker...
1.162 + echo "ac_cv_path_BASH_SHELL=/bin/bash" >config.cache
1.163 +
1.164 + BUILD_CC="${CT_BUILD}-gcc" \
1.165 + CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} ${OPTIMIZE}" \
1.166 + CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
1.167 + AR=${CT_TARGET}-ar \
1.168 + RANLIB=${CT_TARGET}-ranlib \
1.169 + CT_DoExecLog CFG \
1.170 + "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/configure" \
1.171 + --prefix=/usr \
1.172 + --with-headers="${CT_HEADERS_DIR}" \
1.173 + --build=${CT_BUILD} \
1.174 + --host=${CT_TARGET} \
1.175 + --disable-profile \
1.176 + --without-gd \
1.177 + --without-cvs \
1.178 + --cache-file=config.cache \
1.179 + "${extra_config[@]}" \
1.180 + ${CT_LIBC_GLIBC_EXTRA_CONFIG}
1.181 +
1.182 + CT_DoLog EXTRA "Building C library"
1.183 +
1.184 + # eglibc build hacks
1.185 + # http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
1.186 + case "${CT_ARCH},${CT_ARCH_CPU}" in
1.187 + powerpc,8??)
1.188 + CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
1.189 + EGLIBC_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;
1.190 + esac
1.191 +
1.192 + CT_DoExecLog ALL make ASFLAGS="${EGLIBC_BUILD_ASFLAGS}"
1.193 +
1.194 + CT_DoLog EXTRA "Installing C library"
1.195 +
1.196 + CT_DoExecLog ALL make install install_root="${CT_SYSROOT_DIR}"
1.197 +
1.198 + CT_EndStep
1.199 +}
1.200 +
1.201 +# This function finishes the C library install
1.202 +# This is a no-op
1.203 +do_libc_finish() {
1.204 + :
1.205 +}
1.206 +
1.207 +# Build up the addons list, separated with $1
1.208 +do_libc_add_ons_list() {
1.209 + local sep="$1"
1.210 + local addons_list=$(echo "${CT_LIBC_ADDONS_LIST//,/${sep}}" |tr -s ,)
1.211 + case "${CT_THREADS}" in
1.212 + none) ;;
1.213 + *) addons_list="${addons_list}${sep}${CT_THREADS}";;
1.214 + esac
1.215 + [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
1.216 + addons_list="${addons_list%%${sep}}"
1.217 + echo "${addons_list##${sep}}"
1.218 +}