1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/scripts/build/libc_glibc.sh Sat Feb 24 11:00:05 2007 +0000
1.3 @@ -0,0 +1,285 @@
1.4 +# This file adds functions to build glibc
1.5 +# Copyright 2007 Yann E. MORIN
1.6 +# Licensed under the GPL v2. See COPYING in the root of this package
1.7 +
1.8 +# There is nothing to do for glibc check config
1.9 +do_libc_check_config() {
1.10 + CT_DoStep INFO "Checking C library configuration"
1.11 + CT_DoLog EXTRA "glibc has nothing to check"
1.12 + CT_EndStep
1.13 +}
1.14 +
1.15 +# This function installs the glibc headers needed to build the core compiler
1.16 +do_libc_headers() {
1.17 + # Only need to install bootstrap glibc headers for gcc-3.0 and above? Or maybe just gcc-3.3 and above?
1.18 + # See also http://gcc.gnu.org/PR8180, which complains about the need for this step.
1.19 + grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/ChangeLog" || return 0
1.20 +
1.21 + CT_DoStep INFO "Installing C library headers"
1.22 +
1.23 + mkdir -p "${CT_BUILD_DIR}/build-libc-headers"
1.24 + cd "${CT_BUILD_DIR}/build-libc-headers"
1.25 +
1.26 + CT_DoLog EXTRA "Configuring C library headers"
1.27 +
1.28 + # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions.
1.29 + # 1. override CC to keep glibc's configure from using $TARGET-gcc.
1.30 + # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly
1.31 + # 3. build with gcc 3.2 or later
1.32 + # Compare these options with the ones used when building glibc for real below - they're different.
1.33 + # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode
1.34 + # so when configure checks to make sure gcc has access to the assembler you just built...
1.35 + # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path.
1.36 + # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet)
1.37 + # Note: the warning
1.38 + # "*** WARNING: Are you sure you do not want to use the `linuxthreads'"
1.39 + # *** add-on?"
1.40 + # is ok here, since all we want are the basic headers at this point.
1.41 + # Override libc_cv_ppc_machine so glibc-cvs doesn't complain
1.42 + # 'a version of binutils that supports .machine "altivec" is needed'.
1.43 + libc_cv_ppc_machine=yes \
1.44 + CC=${CT_CC_NATIVE} \
1.45 + "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
1.46 + --build="${CT_BUILD}" \
1.47 + --host="${CT_TARGET}" \
1.48 + --prefix=/usr \
1.49 + --with-headers="${CT_HEADERS_DIR}" \
1.50 + --without-cvs --disable-sanity-checks \
1.51 + --enable-hacker-mode \
1.52 + --enable-add-ons="" \
1.53 + --without-nptl 2>&1 |CT_DoLog DEBUG
1.54 +
1.55 + CT_DoLog EXTRA "Installing C library headers"
1.56 +
1.57 + if grep -q GLIBC_2.3 "${CT_SRC_DIR}/${CT_LIBC_FILE}/ChangeLog"; then
1.58 + # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c,
1.59 + # which fails without a real cross-compiler.
1.60 + # Fortunately, we don't need errlist-compat.c, since we just need .h
1.61 + # files, so work around this by creating a fake errlist-compat.c and
1.62 + # satisfying its dependencies.
1.63 + # Another workaround might be to tell configure to not use any cross
1.64 + # options to $(CC).
1.65 + # The real fix would be to get install-headers to not generate
1.66 + # errlist-compat.c.
1.67 + # Note: BOOTSTRAP_GCC is used by:
1.68 + # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch
1.69 + libc_cv_ppc_machine=yes \
1.70 + make CFLAGS=-DBOOTSTRAP_GCC sysdeps/gnu/errlist.c 2>&1 |CT_DoLog DEBUG
1.71 + mkdir -p stdio-common
1.72 + # sleep for 2 seconds for benefit of filesystems with lousy time
1.73 + # resolution, like FAT, so make knows for sure errlist-compat.c doesn't
1.74 + # need generating
1.75 + sleep 2
1.76 + touch stdio-common/errlist-compat.c
1.77 + fi
1.78 + # Note: BOOTSTRAP_GCC (see above)
1.79 + libc_cv_ppc_machine=yes \
1.80 + make cross-compiling=yes install_root=${CT_SYSROOT_DIR} \
1.81 + CFLAGS=-DBOOTSTRAP_GCC ${LIBC_SYSROOT_ARG} \
1.82 + install-headers 2>&1 |CT_DoLog DEBUG
1.83 +
1.84 + # Two headers -- stubs.h and features.h -- aren't installed by install-headers,
1.85 + # so do them by hand. We can tolerate an empty stubs.h for the moment.
1.86 + # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html
1.87 + mkdir -p "${CT_HEADERS_DIR}/gnu"
1.88 + touch "${CT_HEADERS_DIR}/gnu/stubs.h"
1.89 + cp "${CT_SRC_DIR}/${CT_LIBC_FILE}/include/features.h" "${CT_HEADERS_DIR}/features.h"
1.90 +
1.91 + # Building the bootstrap gcc requires either setting inhibit_libc, or
1.92 + # having a copy of stdio_lim.h... see
1.93 + # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html
1.94 + cp bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h"
1.95 +
1.96 + # Following error building gcc-4.0.0's gcj:
1.97 + # error: bits/syscall.h: No such file or directory
1.98 + # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html
1.99 + # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html
1.100 + [ "${CT_ARCH}" != "arm" ] && cp misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true
1.101 +
1.102 + CT_EndStep
1.103 +}
1.104 +
1.105 +# This function builds and install the full glibc
1.106 +do_libc() {
1.107 + CT_DoStep INFO "Installing C library"
1.108 +
1.109 + mkdir -p "${CT_BUILD_DIR}/build-libc"
1.110 + cd "${CT_BUILD_DIR}/build-libc"
1.111 +
1.112 + CT_DoLog EXTRA "Configuring C library"
1.113 +
1.114 + # Add some default glibc config options if not given by user.
1.115 + extra_config=""
1.116 + case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
1.117 + *enable-kernel*) ;;
1.118 + *) extra_config="${extra_config} --enable-kernel=${CT_KERNEL_VERSION}"
1.119 + esac
1.120 + case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
1.121 + *-tls*) ;;
1.122 + *) extra_config="${extra_config} --without-tls"
1.123 + esac
1.124 + case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
1.125 + *-__thread*) ;;
1.126 + *) extra_config="${extra_config} --without-__thread"
1.127 + esac
1.128 + case "${CT_SHARED_LIBS}" in
1.129 + y) extra_config="${extra_config} --enable-shared";;
1.130 + *) extra_config="${extra_config} --disable-shared";;
1.131 + esac
1.132 + case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
1.133 + *--with-fp*) ;;
1.134 + *--without-fp*) ;;
1.135 + *) case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
1.136 + y,) extra_config="${extra_config} --with-fp";;
1.137 + ,y) extra_config="${extra_config} --without-fp";;
1.138 + esac;;
1.139 + esac
1.140 + case "${CT_LIBC_ADDONS},${CT_LIBC_ADDONS_LIST}" in
1.141 + y,) extra_config="${extra_config} --enable-add-ons";;
1.142 + y,*) extra_config="${extra_config} --enable-add-ons=${CT_LIBC_ADDONS_LIST}";;
1.143 + esac
1.144 +
1.145 + CT_DoLog DEBUG "Extra config args passed: \"${extra_config}\""
1.146 +
1.147 + # Add some default CC args
1.148 + extra_cc_args=
1.149 + case "${CT_LIBC_EXTRA_CC_ARGS}" in
1.150 + *-mbig-endian*) ;;
1.151 + *-mlittle-endian*) ;;
1.152 + *) case "${CT_ARCH_BE},${CT_ARCH_LE}" in
1.153 + y,) extra_cc_args="${extra_cc_args} -mbig-endian";;
1.154 + ,y) extra_cc_args="${extra_cc_args} -mlittle-endian";;
1.155 + esac;;
1.156 + esac
1.157 +
1.158 + CT_DoLog DEBUG "Extra CC args passed: \"${extra_cc_args}\""
1.159 +
1.160 + # sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2
1.161 + # note: this is awkward, doesn't work well if you need more than one line in configparms
1.162 + echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms
1.163 +
1.164 + # For glibc 2.3.4 and later we need to set some autoconf cache
1.165 + # variables, because nptl/sysdeps/pthread/configure.in does not
1.166 + # work when cross-compiling.
1.167 + if test -d ${GLIBC_DIR}/nptl; then
1.168 + libc_cv_forced_unwind=yes
1.169 + libc_cv_c_cleanup=yes
1.170 + export libc_cv_forced_unwind libc_cv_c_cleanup
1.171 + fi
1.172 +
1.173 + # Configure with --prefix the way we want it on the target...
1.174 + # There are a whole lot of settings here. You'll probably want
1.175 + # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG
1.176 + # Compare these options with the ones used when installing the glibc headers above - they're different.
1.177 + # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory"
1.178 + # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html.
1.179 + # Set BUILD_CC, or you won't be able to build datafiles
1.180 + # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs
1.181 +
1.182 + BUILD_CC=${CT_CC_NATIVE} \
1.183 + CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
1.184 + CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
1.185 + AR=${CT_TARGET}-ar \
1.186 + RANLIB=${CT_TARGET}-ranlib \
1.187 + "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \
1.188 + --prefix=/usr \
1.189 + --build=${CT_BUILD} --host=${CT_TARGET} \
1.190 + ${CT_LIBC_GLIBC_EXTRA_CONFIG} \
1.191 + ${extra_config} \
1.192 + --without-cvs \
1.193 + --disable-profile \
1.194 + --disable-debug \
1.195 + --without-gd \
1.196 + --with-headers="${CT_HEADERS_DIR}" 2>&1 |CT_DoLog DEBUG
1.197 +
1.198 + if grep -l '^install-lib-all:' "${CT_SRC_DIR}/${CT_LIBC_FILE}/Makerules" > /dev/null; then
1.199 + # nptl-era glibc.
1.200 + # If the install-lib-all target (which is added by our make-install-lib-all.patch)
1.201 + # is present, it means we're building glibc-2.3.3 or later, and we can't
1.202 + # build programs yet, as they require libeh, which won't be installed
1.203 + # until full build of gcc
1.204 + GLIBC_INITIAL_BUILD_RULE=lib
1.205 + GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers"
1.206 + GLIBC_INSTALL_APPS_LATER=yes
1.207 + else
1.208 + # classic glibc.
1.209 + # We can build and install everything with the bootstrap compiler.
1.210 + GLIBC_INITIAL_BUILD_RULE=all
1.211 + GLIBC_INITIAL_INSTALL_RULE=install
1.212 + GLIBC_INSTALL_APPS_LATER=no
1.213 + fi
1.214 +
1.215 + # If this fails with an error like this:
1.216 + # ... linux/autoconf.h: No such file or directory
1.217 + # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
1.218 + # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc
1.219 + # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx
1.220 + # No need for PARALLELMFLAGS here, Makefile already reads this environment variable
1.221 + CT_DoLog EXTRA "Building C library"
1.222 + make LD=${CT_TARGET}-ld \
1.223 + RANLIB=${CT_TARGET}-ranlib \
1.224 + ${GLIBC_INITIAL_BUILD_RULE} 2>&1 |CT_DoLog DEBUG
1.225 +
1.226 + CT_DoLog EXTRA "Installing C library"
1.227 + make install_root="${CT_SYSROOT_DIR}" \
1.228 + ${LIBC_SYSROOT_ARG} \
1.229 + ${GLIBC_INITIAL_INSTALL_RULE} 2>&1 |CT_DoLog DEBUG
1.230 +
1.231 + # This doesn't seem to work when building a crosscompiler,
1.232 + # as it tries to execute localedef using the just-built ld.so!?
1.233 + #CT_DoLog EXTRA "Installing locales"
1.234 + #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog DEBUG
1.235 +
1.236 + # Fix problems in linker scripts.
1.237 + #
1.238 + # 1. Remove absolute paths
1.239 + # Any file in a list of known suspects that isn't a symlink is assumed to be a linker script.
1.240 + # FIXME: test -h is not portable
1.241 + # FIXME: probably need to check more files than just these three...
1.242 + # Need to use sed instead of just assuming we know what's in libc.so because otherwise alpha breaks
1.243 + #
1.244 + # 2. Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html,
1.245 + # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm
1.246 + #
1.247 + # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig
1.248 + CT_DoLog EXTRA "Fixing C library linker scripts"
1.249 + for file in libc.so libpthread.so libgcc_s.so; do
1.250 + for dir in lib lib64 usr/lib usr/lib64; do
1.251 + if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then
1.252 + mv "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
1.253 + CT_DoLog DEBUG "Fixing \"${CT_SYS_ROOT_DIR}/${dir}/${file}\""
1.254 + sed -i -r -e 's,/usr/lib/,,g;
1.255 + s,/usr/lib64/,,g;
1.256 + s,/lib/,,g;
1.257 + s,/lib64/,,g;
1.258 + /BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}_orig"
1.259 + fi
1.260 + done
1.261 + done
1.262 +
1.263 + CT_EndStep
1.264 +}
1.265 +
1.266 +# This function finishes the glibc install
1.267 +do_libc_finish() {
1.268 + # Finally, build and install glibc programs, now that libeh (if any) is installed
1.269 + # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with
1.270 + # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info'
1.271 + # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info'
1.272 + [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0
1.273 +
1.274 + CT_DoStep INFO "Finishing C library"
1.275 +
1.276 + cd "${CT_BUILD_DIR}/build-libc"
1.277 +
1.278 + CT_DoLog EXTRA "Re-building C library"
1.279 + make LD=${CT_TARGET}-ld RANLIB=${CT_TARGET}-ranlib 2>&1 |CT_DoLog DEBUG
1.280 +
1.281 + CT_DoLog EXTRA "Installing missing C library components"
1.282 + # note: should do full install and then fix linker scripts, but this is faster
1.283 + for t in bin rootsbin sbin data others; do
1.284 + make install_root="${CT_SYSROOT_DIR}" \
1.285 + ${LIBC_SYSROOT_ARG} \
1.286 + install-${t} 2>&1 |CT_DoLog DEBUG
1.287 + done
1.288 +}