yann@1: # This file adds functions to build glibc yann@1: # Copyright 2007 Yann E. MORIN yann@1: # Licensed under the GPL v2. See COPYING in the root of this package yann@1: yann@63: # Download glibc yann@64: do_libc_get() { yann@63: # Ah! Not all GNU folks seem stupid. All glibc releases are in the same yann@63: # directory. Good. Alas, there is no snapshot there. I'll deal with them yann@63: # later on... :-/ yann@63: CT_GetFile "${CT_LIBC_FILE}" ftp://ftp.gnu.org/gnu/glibc yann@63: yann@63: # C library addons yann@63: addons_list=`echo "${CT_LIBC_ADDONS}" |sed -r -e 's/,/ /g; s/ $//g;'` yann@63: for addon in ${addons_list}; do yann@63: CT_GetFile "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" ftp://ftp.gnu.org/gnu/glibc yann@63: done yann@63: [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && CT_GetFile "${CT_LIBC}-ports-${CT_LIBC_VERSION}" ftp://ftp.gnu.org/gnu/glibc yann@64: yann@64: return 0 yann@63: } yann@63: yann@63: # Extract glibc yann@63: do_libc_extract() { yann@63: CT_ExtractAndPatch "${CT_LIBC_FILE}" yann@63: yann@63: # C library addons yann@63: addons_list=`echo "${CT_LIBC_ADDONS}" |sed -r -e 's/,/ /g; s/ $//g;'` yann@63: for addon in ${addons_list}; do yann@63: CT_ExtractAndPatch "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" yann@63: done yann@63: [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && CT_ExtractAndPatch "${CT_LIBC}-ports-${CT_LIBC_VERSION}" yann@64: yann@64: return 0 yann@63: } yann@63: yann@1: # There is nothing to do for glibc check config yann@1: do_libc_check_config() { yann@1: CT_DoStep INFO "Checking C library configuration" yann@1: CT_DoLog EXTRA "glibc has nothing to check" yann@1: CT_EndStep yann@1: } yann@1: yann@1: # This function installs the glibc headers needed to build the core compiler yann@1: do_libc_headers() { yann@1: # Only need to install bootstrap glibc headers for gcc-3.0 and above? Or maybe just gcc-3.3 and above? yann@1: # See also http://gcc.gnu.org/PR8180, which complains about the need for this step. yann@1: grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_CORE_FILE}/ChangeLog" || return 0 yann@1: yann@1: CT_DoStep INFO "Installing C library headers" yann@1: yann@1: mkdir -p "${CT_BUILD_DIR}/build-libc-headers" yann@1: cd "${CT_BUILD_DIR}/build-libc-headers" yann@1: yann@1: CT_DoLog EXTRA "Configuring C library headers" yann@1: yann@1: # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions. yann@1: # 1. override CC to keep glibc's configure from using $TARGET-gcc. yann@1: # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly yann@1: # 3. build with gcc 3.2 or later yann@1: # Compare these options with the ones used when building glibc for real below - they're different. yann@1: # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode yann@1: # so when configure checks to make sure gcc has access to the assembler you just built... yann@1: # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path. yann@1: # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet) yann@1: # Note: the warning yann@1: # "*** WARNING: Are you sure you do not want to use the `linuxthreads'" yann@1: # *** add-on?" yann@1: # is ok here, since all we want are the basic headers at this point. yann@1: # Override libc_cv_ppc_machine so glibc-cvs doesn't complain yann@1: # 'a version of binutils that supports .machine "altivec" is needed'. yann@1: libc_cv_ppc_machine=yes \ yann@1: CC=${CT_CC_NATIVE} \ yann@1: "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \ yann@1: --build="${CT_BUILD}" \ yann@1: --host="${CT_TARGET}" \ yann@1: --prefix=/usr \ yann@1: --with-headers="${CT_HEADERS_DIR}" \ yann@63: --without-cvs \ yann@63: --disable-sanity-checks \ yann@1: --enable-hacker-mode \ yann@1: --enable-add-ons="" \ yann@1: --without-nptl 2>&1 |CT_DoLog DEBUG yann@1: yann@1: CT_DoLog EXTRA "Installing C library headers" yann@1: yann@1: if grep -q GLIBC_2.3 "${CT_SRC_DIR}/${CT_LIBC_FILE}/ChangeLog"; then yann@1: # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c, yann@1: # which fails without a real cross-compiler. yann@1: # Fortunately, we don't need errlist-compat.c, since we just need .h yann@1: # files, so work around this by creating a fake errlist-compat.c and yann@1: # satisfying its dependencies. yann@1: # Another workaround might be to tell configure to not use any cross yann@1: # options to $(CC). yann@1: # The real fix would be to get install-headers to not generate yann@1: # errlist-compat.c. yann@1: # Note: BOOTSTRAP_GCC is used by: yann@1: # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch yann@1: libc_cv_ppc_machine=yes \ yann@1: make CFLAGS=-DBOOTSTRAP_GCC sysdeps/gnu/errlist.c 2>&1 |CT_DoLog DEBUG yann@1: mkdir -p stdio-common yann@1: # sleep for 2 seconds for benefit of filesystems with lousy time yann@1: # resolution, like FAT, so make knows for sure errlist-compat.c doesn't yann@1: # need generating yann@1: sleep 2 yann@1: touch stdio-common/errlist-compat.c yann@1: fi yann@1: # Note: BOOTSTRAP_GCC (see above) yann@1: libc_cv_ppc_machine=yes \ yann@1: make cross-compiling=yes install_root=${CT_SYSROOT_DIR} \ yann@1: CFLAGS=-DBOOTSTRAP_GCC ${LIBC_SYSROOT_ARG} \ yann@1: install-headers 2>&1 |CT_DoLog DEBUG yann@1: yann@1: # Two headers -- stubs.h and features.h -- aren't installed by install-headers, yann@1: # so do them by hand. We can tolerate an empty stubs.h for the moment. yann@1: # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html yann@1: mkdir -p "${CT_HEADERS_DIR}/gnu" yann@1: touch "${CT_HEADERS_DIR}/gnu/stubs.h" yann@1: cp "${CT_SRC_DIR}/${CT_LIBC_FILE}/include/features.h" "${CT_HEADERS_DIR}/features.h" yann@1: yann@1: # Building the bootstrap gcc requires either setting inhibit_libc, or yann@1: # having a copy of stdio_lim.h... see yann@1: # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html yann@1: cp bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h" yann@1: yann@1: # Following error building gcc-4.0.0's gcj: yann@1: # error: bits/syscall.h: No such file or directory yann@1: # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html yann@1: # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html yann@1: [ "${CT_ARCH}" != "arm" ] && cp misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true yann@1: yann@1: CT_EndStep yann@1: } yann@1: yann@1: # This function builds and install the full glibc yann@1: do_libc() { yann@1: CT_DoStep INFO "Installing C library" yann@1: yann@1: mkdir -p "${CT_BUILD_DIR}/build-libc" yann@1: cd "${CT_BUILD_DIR}/build-libc" yann@1: yann@1: CT_DoLog EXTRA "Configuring C library" yann@1: yann@1: # Add some default glibc config options if not given by user. yann@1: extra_config="" yann@1: case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in yann@1: *enable-kernel*) ;; yann@1: *) extra_config="${extra_config} --enable-kernel=${CT_KERNEL_VERSION}" yann@1: esac yann@1: case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in yann@1: *-tls*) ;; yann@1: *) extra_config="${extra_config} --without-tls" yann@1: esac yann@1: case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in yann@1: *-__thread*) ;; yann@1: *) extra_config="${extra_config} --without-__thread" yann@1: esac yann@1: case "${CT_SHARED_LIBS}" in yann@1: y) extra_config="${extra_config} --enable-shared";; yann@1: *) extra_config="${extra_config} --disable-shared";; yann@1: esac yann@1: case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in yann@1: *--with-fp*) ;; yann@1: *--without-fp*) ;; yann@1: *) case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in yann@1: y,) extra_config="${extra_config} --with-fp";; yann@1: ,y) extra_config="${extra_config} --without-fp";; yann@1: esac;; yann@1: esac yann@1: case "${CT_LIBC_ADDONS},${CT_LIBC_ADDONS_LIST}" in yann@1: y,) extra_config="${extra_config} --enable-add-ons";; yann@1: y,*) extra_config="${extra_config} --enable-add-ons=${CT_LIBC_ADDONS_LIST}";; yann@1: esac yann@1: yann@1: CT_DoLog DEBUG "Extra config args passed: \"${extra_config}\"" yann@1: yann@1: # Add some default CC args yann@63: extra_cc_args="${CT_CFLAGS_FOR_HOST}" yann@1: case "${CT_LIBC_EXTRA_CC_ARGS}" in yann@1: *-mbig-endian*) ;; yann@1: *-mlittle-endian*) ;; yann@1: *) case "${CT_ARCH_BE},${CT_ARCH_LE}" in yann@1: y,) extra_cc_args="${extra_cc_args} -mbig-endian";; yann@1: ,y) extra_cc_args="${extra_cc_args} -mlittle-endian";; yann@1: esac;; yann@1: esac yann@1: yann@1: CT_DoLog DEBUG "Extra CC args passed: \"${extra_cc_args}\"" yann@1: yann@1: # sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2 yann@1: # note: this is awkward, doesn't work well if you need more than one line in configparms yann@1: echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms yann@1: yann@1: # For glibc 2.3.4 and later we need to set some autoconf cache yann@1: # variables, because nptl/sysdeps/pthread/configure.in does not yann@1: # work when cross-compiling. yann@1: if test -d ${GLIBC_DIR}/nptl; then yann@1: libc_cv_forced_unwind=yes yann@1: libc_cv_c_cleanup=yes yann@1: export libc_cv_forced_unwind libc_cv_c_cleanup yann@1: fi yann@1: yann@1: # Configure with --prefix the way we want it on the target... yann@1: # There are a whole lot of settings here. You'll probably want yann@1: # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG yann@1: # Compare these options with the ones used when installing the glibc headers above - they're different. yann@1: # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory" yann@1: # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html. yann@1: # Set BUILD_CC, or you won't be able to build datafiles yann@1: # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs yann@1: yann@1: BUILD_CC=${CT_CC_NATIVE} \ yann@1: CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \ yann@1: CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \ yann@1: AR=${CT_TARGET}-ar \ yann@1: RANLIB=${CT_TARGET}-ranlib \ yann@1: "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \ yann@1: --prefix=/usr \ yann@1: --build=${CT_BUILD} --host=${CT_TARGET} \ yann@1: ${CT_LIBC_GLIBC_EXTRA_CONFIG} \ yann@1: ${extra_config} \ yann@1: --without-cvs \ yann@1: --disable-profile \ yann@1: --disable-debug \ yann@1: --without-gd \ yann@1: --with-headers="${CT_HEADERS_DIR}" 2>&1 |CT_DoLog DEBUG yann@1: yann@1: if grep -l '^install-lib-all:' "${CT_SRC_DIR}/${CT_LIBC_FILE}/Makerules" > /dev/null; then yann@1: # nptl-era glibc. yann@1: # If the install-lib-all target (which is added by our make-install-lib-all.patch) yann@1: # is present, it means we're building glibc-2.3.3 or later, and we can't yann@1: # build programs yet, as they require libeh, which won't be installed yann@1: # until full build of gcc yann@1: GLIBC_INITIAL_BUILD_RULE=lib yann@1: GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers" yann@1: GLIBC_INSTALL_APPS_LATER=yes yann@1: else yann@1: # classic glibc. yann@1: # We can build and install everything with the bootstrap compiler. yann@1: GLIBC_INITIAL_BUILD_RULE=all yann@1: GLIBC_INITIAL_INSTALL_RULE=install yann@1: GLIBC_INSTALL_APPS_LATER=no yann@1: fi yann@1: yann@1: # If this fails with an error like this: yann@1: # ... linux/autoconf.h: No such file or directory yann@1: # then you need to set the KERNELCONFIG variable to point to a .config file for this arch. yann@1: # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc yann@1: # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx yann@1: # No need for PARALLELMFLAGS here, Makefile already reads this environment variable yann@1: CT_DoLog EXTRA "Building C library" yann@1: make LD=${CT_TARGET}-ld \ yann@1: RANLIB=${CT_TARGET}-ranlib \ yann@1: ${GLIBC_INITIAL_BUILD_RULE} 2>&1 |CT_DoLog DEBUG yann@1: yann@1: CT_DoLog EXTRA "Installing C library" yann@1: make install_root="${CT_SYSROOT_DIR}" \ yann@1: ${LIBC_SYSROOT_ARG} \ yann@1: ${GLIBC_INITIAL_INSTALL_RULE} 2>&1 |CT_DoLog DEBUG yann@1: yann@1: # This doesn't seem to work when building a crosscompiler, yann@1: # as it tries to execute localedef using the just-built ld.so!? yann@1: #CT_DoLog EXTRA "Installing locales" yann@1: #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog DEBUG yann@1: yann@1: # Fix problems in linker scripts. yann@1: # yann@1: # 1. Remove absolute paths yann@1: # Any file in a list of known suspects that isn't a symlink is assumed to be a linker script. yann@1: # FIXME: test -h is not portable yann@1: # FIXME: probably need to check more files than just these three... yann@1: # Need to use sed instead of just assuming we know what's in libc.so because otherwise alpha breaks yann@1: # yann@1: # 2. Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html, yann@1: # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm yann@1: # yann@1: # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig yann@1: CT_DoLog EXTRA "Fixing C library linker scripts" yann@1: for file in libc.so libpthread.so libgcc_s.so; do yann@1: for dir in lib lib64 usr/lib usr/lib64; do yann@1: if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then yann@1: mv "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig" yann@1: CT_DoLog DEBUG "Fixing \"${CT_SYS_ROOT_DIR}/${dir}/${file}\"" yann@1: sed -i -r -e 's,/usr/lib/,,g; yann@1: s,/usr/lib64/,,g; yann@1: s,/lib/,,g; yann@1: s,/lib64/,,g; yann@1: /BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}_orig" yann@1: fi yann@1: done yann@1: done yann@1: yann@1: CT_EndStep yann@1: } yann@1: yann@1: # This function finishes the glibc install yann@1: do_libc_finish() { yann@1: # Finally, build and install glibc programs, now that libeh (if any) is installed yann@1: # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with yann@1: # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info' yann@1: # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info' yann@1: [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0 yann@1: yann@1: CT_DoStep INFO "Finishing C library" yann@1: yann@1: cd "${CT_BUILD_DIR}/build-libc" yann@1: yann@1: CT_DoLog EXTRA "Re-building C library" yann@1: make LD=${CT_TARGET}-ld RANLIB=${CT_TARGET}-ranlib 2>&1 |CT_DoLog DEBUG yann@1: yann@1: CT_DoLog EXTRA "Installing missing C library components" yann@1: # note: should do full install and then fix linker scripts, but this is faster yann@1: for t in bin rootsbin sbin data others; do yann@1: make install_root="${CT_SYSROOT_DIR}" \ yann@1: ${LIBC_SYSROOT_ARG} \ yann@1: install-${t} 2>&1 |CT_DoLog DEBUG yann@1: done yann@1: }