diff options
Diffstat (limited to 'scripts/build/libc/glibc.sh')
| -rw-r--r-- | scripts/build/libc/glibc.sh | 201 |
1 files changed, 35 insertions, 166 deletions
diff --git a/scripts/build/libc/glibc.sh b/scripts/build/libc/glibc.sh index 0db7c1c0..c78f0698 100644 --- a/scripts/build/libc/glibc.sh +++ b/scripts/build/libc/glibc.sh @@ -30,48 +30,14 @@ glibc_extract() fi } -# Build and install headers and start files -glibc_start_files() -{ - # Start files and Headers should be configured the same way as the - # final libc, but built and installed differently. - glibc_backend libc_mode=startfiles -} - # This function builds and install the full C library glibc_main() { - glibc_backend libc_mode=final -} - -# This backend builds the C library once for each multilib -# variant the compiler gives us -# Usage: glibc_backend param=value [...] -# Parameter : Definition : Type : Default -# libc_mode : 'startfiles' or 'final' : string : (none) -glibc_backend() -{ - local libc_mode local arg - for arg in "$@"; do - eval "${arg// /\\ }" - done - - case "${libc_mode}" in - startfiles) - CT_DoStep INFO "Installing C library headers & start files" - ;; - final) - CT_DoStep INFO "Installing C library" - ;; - *) - CT_Abort "Unsupported (or unset) libc_mode='${libc_mode}'" - ;; - esac - - CT_mkdir_pushd "${CT_BUILD_DIR}/build-libc-${libc_mode}" - CT_IterateMultilibs glibc_backend_once multilib libc_mode="${libc_mode}" + CT_DoStep INFO "Installing C library" + CT_mkdir_pushd "${CT_BUILD_DIR}/build-libc" + CT_IterateMultilibs glibc_backend_once multilib CT_Popd CT_EndStep } @@ -79,13 +45,14 @@ glibc_backend() # This backend builds the C library once # Usage: glibc_backend_once param=value [...] # Parameter : Definition : Type -# libc_mode : 'startfiles' or 'final' : string : (empty) # multi_* : as defined in CT_IterateMultilibs : (varies) : glibc_backend_once() { + # Glibc seems to be smart enough to know about the cases that can coexist + # in the same root and installs them into proper multilib-os directory; all + # we need is to point to the right root. local multi_flags multi_dir multi_os_dir multi_root multi_index multi_count multi_target local build_cflags build_cppflags build_ldflags - local startfiles_dir local src_dir="${CT_SRC_DIR}/glibc" local -a extra_config local -a extra_make_args @@ -104,29 +71,9 @@ glibc_backend_once() # Adjust target tuple according GLIBC quirks CT_DoArchGlibcAdjustTuple multi_target - # Glibc seems to be smart enough to know about the cases that can coexist - # in the same root and installs them into proper multilib-os directory; all - # we need is to point to the right root. We do need to handle multilib-os - # here, though, for the first pass where we install crt*.o and a dummy - # libc.so; we therefore install it to the most specific location of - # <sysroot>/<suffix>/usr/lib/<multilib-os> where it is least likely to clash - # with other multilib variants. We then remove these temporary files at - # the beginning of the libc-final step and allow glibc to install them - # where it thinks is proper. - startfiles_dir="${multi_root}/usr/lib/${multi_os_dir}" - CT_SanitizeVarDir startfiles_dir - - if [ "${libc_mode}" = "final" ]; then - CT_DoLog EXTRA "Cleaning up start files" - CT_DoExecLog ALL rm -f "${startfiles_dir}/crt1.o" \ - "${startfiles_dir}/crti.o" \ - "${startfiles_dir}/crtn.o" \ - "${startfiles_dir}/libc.so" - fi - CT_DoLog EXTRA "Configuring C library" - # Also, if those two are missing, iconv build breaks + # If those two are missing, iconv build breaks extra_config+=( --disable-debug --disable-sanity-checks ) if [ "${CT_GLIBC_ENABLE_OBSOLETE_RPC}" = "y" ]; then @@ -259,7 +206,6 @@ glibc_backend_once() CT_DoLog DEBUG "Configuring with addons : '$(glibc_add_ons_list ,)'" CT_DoLog DEBUG "Extra config args passed : '${extra_config[*]}'" CT_DoLog DEBUG "Extra CFLAGS passed : '${glibc_cflags}'" - CT_DoLog DEBUG "Placing startfiles into : '${startfiles_dir}'" CT_DoLog DEBUG "Configuring with --host : '${multi_target}'" # CFLAGS are only applied when compiling .c files. .S files are compiled with ASFLAGS, @@ -324,111 +270,34 @@ glibc_backend_once() extra_make_args+=( "BUILD_CPPFLAGS=${build_cppflags}" ) extra_make_args+=( "BUILD_LDFLAGS=${build_ldflags}" ) - if [ "${libc_mode}" = "startfiles" -a ! -r "${multi_root}/.libc_headers_installed" ]; then - CT_DoLog EXTRA "Installing C library headers" - CT_DoExecLog ALL touch "${multi_root}/.libc_headers_installed" - - # use the 'install-headers' makefile target to install the - # headers - CT_DoExecLog ALL make ${CT_JOBSFLAGS} \ - install_root=${multi_root} \ - install-bootstrap-headers=yes \ - "${extra_make_args[@]}" \ - install-headers - - # Two headers -- stubs.h and features.h -- aren't installed by install-headers, - # so do them by hand. We can tolerate an empty stubs.h for the moment. - # See e.g. http://gcc.gnu.org/ml/gcc/2002-01/msg00900.html - mkdir -p "${CT_HEADERS_DIR}/gnu" - CT_DoExecLog ALL touch "${CT_HEADERS_DIR}/gnu/stubs.h" - CT_DoExecLog ALL cp -v "${CT_SRC_DIR}/glibc/include/features.h" \ - "${CT_HEADERS_DIR}/features.h" - - # Building the bootstrap gcc requires either setting inhibit_libc, or - # having a copy of stdio_lim.h... see - # http://sources.redhat.com/ml/libc-alpha/2003-11/msg00045.html - CT_DoExecLog ALL cp -v bits/stdio_lim.h "${CT_HEADERS_DIR}/bits/stdio_lim.h" - - # Following error building gcc-4.0.0's gcj: - # error: bits/syscall.h: No such file or directory - # solved by following copy; see http://sourceware.org/ml/crossgcc/2005-05/msg00168.html - # but it breaks arm, see http://sourceware.org/ml/crossgcc/2006-01/msg00091.html - # Of course, only copy it if it does not already exist - case "${CT_ARCH}" in - arm) ;; - *) if [ -f "${CT_HEADERS_DIR}/bits/syscall.h" ]; then - CT_DoLog ALL "Not over-writing existing bits/syscall.h" - elif [ -f "misc/bits/syscall.h" ]; then - CT_DoExecLog ALL cp -v "misc/bits/syscall.h" \ - "${CT_HEADERS_DIR}/bits/syscall.h" - else - # "Old" glibces do not have the above file, - # but provide this one: - CT_DoExecLog ALL cp -v "misc/syscall-list.h" \ - "${CT_HEADERS_DIR}/bits/syscall.h" - fi - ;; - esac - elif [ "${libc_mode}" = "final" -a -r "${multi_root}/.libc_headers_installed" ]; then - CT_DoExecLog ALL rm -f "${multi_root}/.libc_headers_installed" - fi # installing headers - - if [ "${libc_mode}" = "startfiles" ]; then - if [ "${CT_THREADS}" = "nptl" ]; then - CT_DoLog EXTRA "Installing C library start files" - - # there are a few object files needed to link shared libraries, - # which we build and install by hand - CT_DoExecLog ALL mkdir -p "${startfiles_dir}" - CT_DoExecLog ALL make ${CT_JOBSFLAGS} \ - "${extra_make_args[@]}" \ - csu/subdir_lib - CT_DoExecLog ALL cp csu/crt1.o csu/crti.o csu/crtn.o \ - "${startfiles_dir}" - - # Finally, 'libgcc_s.so' requires a 'libc.so' to link against. - # However, since we will never actually execute its code, - # it doesn't matter what it contains. So, treating '/dev/null' - # as a C source file, we produce a dummy 'libc.so' in one step - CT_DoExecLog ALL "${CT_TARGET}-${CT_CC}" ${multi_flags} \ - -nostdlib \ - -nostartfiles \ - -shared \ - -x c /dev/null \ - -o "${startfiles_dir}/libc.so" - fi # threads == nptl - fi # libc_mode = startfiles - - if [ "${libc_mode}" = "final" ]; then - CT_DoLog EXTRA "Building C library" - CT_DoExecLog ALL make ${CT_JOBSFLAGS} \ - "${extra_make_args[@]}" \ - all - - CT_DoLog EXTRA "Installing C library" - CT_DoExecLog ALL make ${CT_JOBSFLAGS} \ - "${extra_make_args[@]}" \ - install_root="${multi_root}" \ - install - - if [ "${CT_BUILD_MANUALS}" = "y" -a "${multi_index}" = "${multi_count}" ]; then - # We only need to build the manuals once. Only build them on the - # last multilib target. If it's not multilib, it will happen on the - # only target. - CT_DoLog EXTRA "Building and installing the C library manual" - # Omit CT_JOBSFLAGS as GLIBC has problems building the - # manuals in parallel - CT_DoExecLog ALL make pdf html - CT_DoExecLog ALL mkdir -p ${CT_PREFIX_DIR}/share/doc - CT_DoExecLog ALL cp -av manual/*.pdf \ - manual/libc \ - ${CT_PREFIX_DIR}/share/doc - fi - - if [ "${CT_GLIBC_LOCALES}" = "y" -a "${multi_index}" = "${multi_count}" ]; then - glibc_locales - fi - fi # libc_mode = final + CT_DoLog EXTRA "Building C library" + CT_DoExecLog ALL make ${CT_JOBSFLAGS} \ + "${extra_make_args[@]}" \ + all + + CT_DoLog EXTRA "Installing C library" + CT_DoExecLog ALL make ${CT_JOBSFLAGS} \ + "${extra_make_args[@]}" \ + install_root="${multi_root}" \ + install + + if [ "${CT_BUILD_MANUALS}" = "y" -a "${multi_index}" = "${multi_count}" ]; then + # We only need to build the manuals once. Only build them on the + # last multilib target. If it's not multilib, it will happen on the + # only target. + CT_DoLog EXTRA "Building and installing the C library manual" + # Omit CT_JOBSFLAGS as GLIBC has problems building the + # manuals in parallel + CT_DoExecLog ALL make pdf html + CT_DoExecLog ALL mkdir -p ${CT_PREFIX_DIR}/share/doc + CT_DoExecLog ALL cp -av manual/*.pdf \ + manual/libc \ + ${CT_PREFIX_DIR}/share/doc + fi + + if [ "${CT_GLIBC_LOCALES}" = "y" -a "${multi_index}" = "${multi_count}" ]; then + glibc_locales + fi CT_EndStep } |