diff options
Diffstat (limited to 'scripts/build/libc')
| -rw-r--r-- | scripts/build/libc/eglibc.sh | 283 | ||||
| -rw-r--r-- | scripts/build/libc/glibc.sh | 531 | ||||
| -rw-r--r-- | scripts/build/libc/none.sh | 36 | ||||
| -rw-r--r-- | scripts/build/libc/uClibc.sh | 313 |
4 files changed, 1163 insertions, 0 deletions
diff --git a/scripts/build/libc/eglibc.sh b/scripts/build/libc/eglibc.sh new file mode 100644 index 00000000..6b6e718a --- /dev/null +++ b/scripts/build/libc/eglibc.sh @@ -0,0 +1,283 @@ +# eglibc build functions (initially by Thomas JOURDAN). + +do_print_filename() { + [ "${CT_LIBC}" = "eglibc" ] || return 0 + echo "eglibc-${CT_LIBC_VERSION}" + for addon in $(do_libc_add_ons_list " "); do + # NPTL addon is not to be downloaded, in any case + [ "${addon}" = "nptl" ] && continue || true + echo "eglibc-${addon}-${CT_LIBC_VERSION}" + done +} + +# Download eglibc repository +do_eglibc_get() { + CT_HasOrAbort svn + + case "${CT_LIBC_VERSION}" in + trunk) svn_url="svn://svn.eglibc.org/trunk";; + *) svn_url="svn://svn.eglibc.org/branches/eglibc-${CT_LIBC_VERSION}";; + esac + + CT_MktempDir tmp_dir + CT_Pushd "${tmp_dir}" + + case "${CT_EGLIBC_CHECKOUT}" in + y) svn_action="checkout";; + *) svn_action="export --force";; + esac + + CT_DoSetProxy ${CT_PROXY_TYPE} + CT_DoExecLog ALL svn ${svn_action} -r "${CT_EGLIBC_REVISION:-HEAD}" "${svn_url}" . 2>&1 + + # Compress eglibc + CT_DoExecLog ALL mv libc "${CT_LIBC_FILE}" + CT_DoExecLog ALL tar cjf "${CT_TARBALLS_DIR}/${CT_LIBC_FILE}.tar.bz2" "${CT_LIBC_FILE}" + + # Compress linuxthreads, localedef and ports + # Assign them the name the way ct-ng like it + for addon in linuxthreads localedef ports; do + CT_DoExecLog ALL tar cjf "${CT_TARBALLS_DIR}/${CT_LIBC}-${addon}-${CT_LIBC_VERSION}.tar.bz2" "${addon}" + done + + CT_Popd + + # Remove source files + CT_DoExecLog ALL rm -rf "${tmp_dir}" +} + +# Download glibc +do_libc_get() { + # eglibc is only available through subversion, there are no + # snapshots available. Moreover, addons will be downloaded + # simultaneously. + + # build filename + eglibc="${CT_LIBC_FILE}.tar.bz2" + eglibc_linuxthreads="${CT_LIBC}-linuxthreads-${CT_LIBC_VERSION}.tar.bz2" + eglibc_localedef="${CT_LIBC}-localedef-${CT_LIBC_VERSION}.tar.bz2" + eglibc_ports="${CT_LIBC}-ports-${CT_LIBC_VERSION}.tar.bz2" + + # Check if every tarballs are already present + if [ -a "${CT_TARBALLS_DIR}/${eglibc}" ] && \ + [ -a "${CT_TARBALLS_DIR}/${eglibc_linuxthreads}" ] && \ + [ -a "${CT_TARBALLS_DIR}/${eglibc_localedef}" ] && \ + [ -a "${CT_TARBALLS_DIR}/${eglibc_ports}" ]; then + CT_DoLog DEBUG "Already have 'eglibc-${CT_LIBC_VERSION}'" + return 0 + fi + + if [ -a "${CT_LOCAL_TARBALLS_DIR}/${eglibc}" ] && \ + [ -a "${CT_LOCAL_TARBALLS_DIR}/${eglibc_linuxthreads}" ] && \ + [ -a "${CT_LOCAL_TARBALLS_DIR}/${eglibc_localedef}" ] && \ + [ -a "${CT_LOCAL_TARBALLS_DIR}/${eglibc_ports}" ] && \ + [ "${CT_FORCE_DOWNLOAD}" != "y" ]; then + CT_DoLog DEBUG "Got 'eglibc-${CT_LIBC_VERSION}' from local storage" + for file in ${eglibc} ${eglibc_linuxthreads} ${eglibc_localedef} ${eglibc_ports}; do + CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${file}" "${CT_TARBALLS_DIR}/${file}" + done + return 0 + fi + + # Not found locally, try from the network + CT_DoLog EXTRA "Retrieving 'eglibc-${CT_LIBC_VERSION}'" + do_eglibc_get + + if [ "${CT_SAVE_TARBALLS}" = "y" ]; then + CT_DoLog EXTRA "Saving 'eglibc-${CT_LIBC_VERSION}' to local storage" + for file in ${eglibc} ${eglibc_linuxthreads} ${eglibc_localedef} ${eglibc_ports}; do + CT_DoExecLog ALL mv -f "${CT_TARBALLS_DIR}/${file}" "${CT_LOCAL_TARBALLS_DIR}" + CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${file}" "${CT_TARBALLS_DIR}/${file}" + done + fi + + return 0 +} + +# Extract eglibc +do_libc_extract() { + CT_ExtractAndPatch "${CT_LIBC_FILE}" + + # C library addons + for addon in $(do_libc_add_ons_list " "); do + # NPTL addon is not to be extracted, in any case + [ "${addon}" = "nptl" ] && continue || true + CT_ExtractAndPatch "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" + done + + return 0 +} + +# There is nothing to do for eglibc check config +do_libc_check_config() { + : +} + +# This function installs the glibc headers needed to build the core compiler +do_libc_headers() { + # Instead of doing two time the same actions, headers will + # be installed with start files + : +} + +# Build and install start files +do_libc_start_files() { + CT_DoStep INFO "Installing C library headers / start files" + + mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles" + cd "${CT_BUILD_DIR}/build-libc-startfiles" + + CT_DoLog EXTRA "Configuring C library" + + cross_cc=$(CT_Which "${CT_TARGET}-gcc") + cross_cxx=$(CT_Which "${CT_TARGET}-g++") + cross_ar=$(CT_Which "${CT_TARGET}-ar") + cross_ranlib=$(CT_Which "${CT_TARGET}-ranlib") + + CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'" + CT_DoLog DEBUG "Using g++ for target: '${cross_cxx}'" + CT_DoLog DEBUG "Using ar for target: '${cross_ar}'" + CT_DoLog DEBUG "Using ranlib for target: '${cross_ranlib}'" + + BUILD_CC=${CT_CC_NATIVE} \ + CC=${cross_cc} \ + CXX=${cross_cxx} \ + AR=${cross_ar} \ + RANLIB=${cross_ranlib} \ + CT_DoExecLog ALL \ + "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \ + --prefix=/usr \ + --with-headers="${CT_HEADERS_DIR}" \ + --build="${CT_UNIQ_BUILD}" \ + --host="${CT_TARGET}" \ + --disable-profile \ + --without-gd \ + --without-cvs \ + --enable-add-ons + + CT_DoLog EXTRA "Installing C library headers" + + # use the 'install-headers' makefile target to install the + # headers + + CT_DoExecLog ALL \ + make install-headers \ + install_root=${CT_SYSROOT_DIR} \ + install-bootstrap-headers=yes + + 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 ${CT_SYSROOT_DIR}/usr/lib + CT_DoExecLog ALL make csu/subdir_lib + CT_DoExecLog ALL cp csu/crt1.o csu/crti.o csu/crtn.o \ + ${CT_SYSROOT_DIR}/usr/lib + + # 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 ${cross_cc} -nostdlib -nostartfiles -shared -x c /dev/null -o ${CT_SYSROOT_DIR}/usr/lib/libc.so + + CT_EndStep +} + +# This function builds and install the full glibc +do_libc() { + CT_DoStep INFO "Installing C library" + + mkdir -p "${CT_BUILD_DIR}/build-libc" + cd "${CT_BUILD_DIR}/build-libc" + + CT_DoLog EXTRA "Configuring C library" + + # Add some default glibc config options if not given by user. + # We don't need to be conditional on wether the user did set different + # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config + + extra_config="--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')" + + case "${CT_THREADS}" in + nptl) extra_config="${extra_config} --with-__thread --with-tls";; + linuxthreads) extra_config="${extra_config} --with-__thread --without-tls --without-nptl";; + none) extra_config="${extra_config} --without-__thread --without-nptl" + case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in + *-tls*) ;; + *) extra_config="${extra_config} --without-tls";; + esac + ;; + esac + + case "${CT_SHARED_LIBS}" in + y) extra_config="${extra_config} --enable-shared";; + *) extra_config="${extra_config} --disable-shared";; + esac + + case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in + y,) extra_config="${extra_config} --with-fp";; + ,y) extra_config="${extra_config} --without-fp";; + esac + + case "$(do_libc_add_ons_list ,)" in + "") ;; + *) extra_config="${extra_config} --enable-add-ons=$(do_libc_add_ons_list ,)";; + esac + + extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}" + + cross_cc=$(CT_Which "${CT_TARGET}-gcc") + + CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'" + CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'" + CT_DoLog DEBUG "Extra config args passed: '${extra_config}'" + CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'" + + BUILD_CC=${CT_CC_NATIVE} \ + CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \ + CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \ + AR=${CT_TARGET}-ar \ + RANLIB=${CT_TARGET}-ranlib \ + CT_DoExecLog ALL \ + "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \ + --prefix=/usr \ + --with-headers="${CT_HEADERS_DIR}" \ + --build=${CT_UNIQ_BUILD} \ + --host=${CT_TARGET} \ + --disable-profile \ + --without-gd \ + --without-cvs \ + ${extra_config} \ + ${CT_LIBC_GLIBC_EXTRA_CONFIG} + + CT_DoLog EXTRA "Building C library" + + CT_DoExecLog ALL make + + CT_DoLog EXTRA "Installing C library" + + CT_DoExecLog ALL make install install_root="${CT_SYSROOT_DIR}" + + CT_EndStep +} + +# This function finishes the glibc install +do_libc_finish() { + # Nothing to be done for eglibc + : +} + +# Build up the addons list, separated with $1 +do_libc_add_ons_list() { + local sep="$1" + local addons_list=$(echo "${CT_LIBC_ADDONS_LIST//,/${sep}}" |tr -s ,) + case "${CT_THREADS}" in + none) ;; + *) addons_list="${addons_list}${sep}${CT_THREADS}";; + esac + [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports" + addons_list="${addons_list%%${sep}}" + echo "${addons_list##${sep}}" +} diff --git a/scripts/build/libc/glibc.sh b/scripts/build/libc/glibc.sh new file mode 100644 index 00000000..b864a5be --- /dev/null +++ b/scripts/build/libc/glibc.sh @@ -0,0 +1,531 @@ +# This file adds functions to build glibc +# Copyright 2007 Yann E. MORIN +# Licensed under the GPL v2. See COPYING in the root of this package + +do_print_filename() { + [ "${CT_LIBC}" = "glibc" ] || return 0 + echo "glibc-${CT_LIBC_VERSION}" + for addon in $(do_libc_add_ons_list " "); do + # NPTL addon is not to be downloaded, in any case + [ "${addon}" = "nptl" ] && continue || true + echo "glibc-${addon}-${CT_LIBC_VERSION}" + done +} + +# Download glibc +do_libc_get() { + # Ah! Not all GNU folks seem stupid. All glibc releases are in the same + # directory. Good. Alas, there is no snapshot there. I'll deal with them + # later on... :-/ + CT_GetFile "${CT_LIBC_FILE}" \ + {ftp,http}://ftp.gnu.org/gnu/glibc \ + ftp://gcc.gnu.org/pub/glibc/releases \ + ftp://gcc.gnu.org/pub/glibc/snapshots + + # C library addons + for addon in $(do_libc_add_ons_list " "); do + # NPTL addon is not to be downloaded, in any case + [ "${addon}" = "nptl" ] && continue || true + CT_GetFile "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" \ + {ftp,http}://ftp.gnu.org/gnu/glibc \ + ftp://gcc.gnu.org/pub/glibc/releases \ + ftp://gcc.gnu.org/pub/glibc/snapshots + done + + return 0 +} + +# Extract glibc +do_libc_extract() { + CT_ExtractAndPatch "${CT_LIBC_FILE}" + + # C library addons + for addon in $(do_libc_add_ons_list " "); do + # NPTL addon is not to be extracted, in any case + [ "${addon}" = "nptl" ] && continue || true + CT_ExtractAndPatch "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" + done + + return 0 +} + +# There is nothing to do for glibc check config +do_libc_check_config() { + : +} + +# This function installs the glibc headers needed to build the core compiler +do_libc_headers() { + # Only need to install bootstrap glibc headers for gcc-3.0 and above? Or maybe just gcc-3.3 and above? + # See also http://gcc.gnu.org/PR8180, which complains about the need for this step. + grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_FILE}/ChangeLog" 2>/dev/null || return 0 + + CT_DoStep INFO "Installing C library headers" + + mkdir -p "${CT_BUILD_DIR}/build-libc-headers" + cd "${CT_BUILD_DIR}/build-libc-headers" + + CT_DoLog EXTRA "Configuring C library" + + # The following three things have to be done to build glibc-2.3.x, but they don't hurt older versions. + # 1. override CC to keep glibc's configure from using $TARGET-gcc. + # 2. disable linuxthreads, which needs a real cross-compiler to generate tcb-offsets.h properly + # 3. build with gcc 3.2 or later + # Compare these options with the ones used when building glibc for real below - they're different. + # As of glibc-2.3.2, to get this step to work for hppa-linux, you need --enable-hacker-mode + # so when configure checks to make sure gcc has access to the assembler you just built... + # Alternately, we could put ${PREFIX}/${TARGET}/bin on the path. + # Set --build so maybe we don't have to specify "cross-compiling=yes" below (haven't tried yet) + # Note: the warning + # "*** WARNING: Are you sure you do not want to use the `linuxthreads'" + # *** add-on?" + # is ok here, since all we want are the basic headers at this point. + # Override libc_cv_ppc_machine so glibc-cvs doesn't complain + # 'a version of binutils that supports .machine "altivec" is needed'. + + addons_config="--enable-add-ons=$(do_libc_add_ons_list ,)" + # We need to remove any threading addon when installing headers + addons_config="${addons_config//nptl/}" + addons_config="${addons_config//linuxthreads/}" + addons_config=$(echo "${addons_config}" |sed -r -e 's/^,+//; s/,+$//; s/,+/,/g;') + + cross_cc=$(CT_Which "${CT_TARGET}-gcc") + CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'" + CT_DoLog DEBUG "Extra config passed : '${addons_config}'" + + libc_cv_ppc_machine=yes \ + CC=${cross_cc} \ + CT_DoExecLog ALL \ + "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \ + --build="${CT_UNIQ_BUILD}" \ + --host="${CT_TARGET}" \ + --prefix=/usr \ + --with-headers="${CT_HEADERS_DIR}" \ + --without-cvs \ + --disable-sanity-checks \ + --enable-hacker-mode \ + ${addons_config} \ + --without-nptl + + CT_DoLog EXTRA "Installing C library headers" + + if grep -q GLIBC_2.3 "${CT_SRC_DIR}/${CT_LIBC_FILE}/ChangeLog"; then + # glibc-2.3.x passes cross options to $(CC) when generating errlist-compat.c, + # which fails without a real cross-compiler. + # Fortunately, we don't need errlist-compat.c, since we just need .h + # files, so work around this by creating a fake errlist-compat.c and + # satisfying its dependencies. + # Another workaround might be to tell configure to not use any cross + # options to $(CC). + # The real fix would be to get install-headers to not generate + # errlist-compat.c. + # Note: BOOTSTRAP_GCC is used by: + # patches/glibc-2.3.5/glibc-mips-bootstrap-gcc-header-install.patch + + libc_cv_ppc_machine=yes \ + CT_DoExecLog ALL \ + make CFLAGS="-O -DBOOTSTRAP_GCC" \ + OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \ + sysdeps/gnu/errlist.c + mkdir -p stdio-common + + # sleep for 2 seconds for benefit of filesystems with lousy time + # resolution, like FAT, so make knows for sure errlist-compat.c doesn't + # need generating + sleep 2 + CT_DoExecLog ALL touch stdio-common/errlist-compat.c + fi + # Note: BOOTSTRAP_GCC (see above) + libc_cv_ppc_machine=yes \ + CT_DoExecLog ALL \ + make cross-compiling=yes \ + install_root=${CT_SYSROOT_DIR} \ + CFLAGS="-O -DBOOTSTRAP_GCC" \ + ${LIBC_SYSROOT_ARG} \ + OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \ + 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 "${CT_SRC_DIR}/${CT_LIBC_FILE}/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 + [ "${CT_ARCH}" != "arm" ] && CT_DoExecLog ALL cp -v misc/syscall-list.h "${CT_HEADERS_DIR}/bits/syscall.h" || true + + # Those headers are to be manually copied so gcc can build properly + pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h" + pthreadtypes_h= + case "${CT_THREADS}" in + nptl) + # NOTE: for some archs, the pathes are different, but they are not + # supported by crosstool-NG right now. See original crosstool when they are. + pthread_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_THREADS}/sysdeps/pthread/pthread.h" + pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/nptl/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/bits/pthreadtypes.h" + if [ ! -f "${pthreadtypes_h}" ]; then + pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/${CT_LIBC}-ports-${CT_LIBC_VERSION}/sysdeps/unix/sysv/linux/${CT_KERNEL_ARCH}/nptl/bits/pthreadtypes.h" + fi + ;; + linuxthreads) + pthreadtypes_h="${CT_SRC_DIR}/${CT_LIBC_FILE}/linuxthreads/sysdeps/pthread/bits/pthreadtypes.h" + ;; + *) + pthread_h= + pthreadtypes_h= + ;; + esac + if [ -n "${pthread_h}" ]; then + CT_DoExecLog ALL cp -v "${pthread_h}" "${CT_HEADERS_DIR}/pthread.h" + fi + if [ -n "${pthreadtypes_h}" ]; then + CT_DoExecLog ALL cp -v "${pthreadtypes_h}" "${CT_HEADERS_DIR}/bits/pthreadtypes.h" + fi + + CT_EndStep +} + +# Build and install start files +do_libc_start_files() { + # Needed only in the NPTL case. Otherwise, return. + [ "${CT_THREADS}" = "nptl" ] || return 0 + + CT_DoStep INFO "Installing C library start files" + + mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles" + cd "${CT_BUILD_DIR}/build-libc-startfiles" + + CT_DoLog EXTRA "Configuring C library" + + # Add some default glibc config options if not given by user. + extra_config="" + case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in + *enable-kernel*) ;; + *) extra_config="${extra_config} --enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')" + esac + case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in + *-tls*) ;; + *) extra_config="${extra_config} --with-tls" + esac + case "${CT_SHARED_LIBS}" in + y) extra_config="${extra_config} --enable-shared";; + *) extra_config="${extra_config} --disable-shared";; + esac + case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in + y,) extra_config="${extra_config} --with-fp";; + ,y) extra_config="${extra_config} --without-fp";; + esac + # Obviously, we want threads, as we come here only for NPTL + extra_config="${extra_config} --with-__thread" + + addons_config="--enable-add-ons=$(do_libc_add_ons_list ,)" + extra_config="${extra_config} ${addons_config}" + + # Add some default CC args + glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([^\.]+)\..*/\1/') + glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[^\.]+\.([^.]+).*/\1/') + # In case we're using a snapshot, fake a >=2.6 version. + if [ "${CT_LIBC_V_LATEST}" = "y" \ + -o "${CT_LIBC_V_date}" = "y" ]; then + glibc_version_major=3 + glibc_version_minor=0 + fi + if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \ + -o ${glibc_version_major} -gt 2 ]; then + # Don't use -pipe: configure chokes on it for glibc >= 2.6. + CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y" + extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}" + else + extra_cc_args="${CT_CFLAGS_FOR_HOST}" + fi + extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}" + + cross_cc=$(CT_Which "${CT_TARGET}-gcc") + CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'" + CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'" + CT_DoLog DEBUG "Extra config args passed: '${extra_config}'" + CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'" + + # Super-H really needs to set configparms as of gcc-3.4/glibc-2.3.2 + # note: this is awkward, doesn't work well if you need more than one + # line in configparms + echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms + + echo "libc_cv_forced_unwind=yes" > config.cache + echo "libc_cv_c_cleanup=yes" >> config.cache + + # Please see the comment for the configure step in do_libc(). + + BUILD_CC=${CT_CC_NATIVE} \ + CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O " \ + CC="${cross_cc} ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \ + AR=${CT_TARGET}-ar \ + RANLIB=${CT_TARGET}-ranlib \ + CT_DoExecLog ALL \ + "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \ + --prefix=/usr \ + --build="${CT_UNIQ_BUILD}" \ + --host=${CT_TARGET} \ + --without-cvs \ + --disable-profile \ + --disable-debug \ + --without-gd \ + --with-headers="${CT_HEADERS_DIR}" \ + --cache-file=config.cache \ + ${extra_config} \ + ${CT_LIBC_GLIBC_EXTRA_CONFIG} + + + #TODO: should check whether slibdir has been set in configparms to */lib64 + # and copy the startfiles into the appropriate libdir. + CT_DoLog EXTRA "Building C library start files" + CT_DoExecLog ALL make OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" csu/subdir_lib + + CT_DoLog EXTRA "Installing C library start files" + if [ "${CT_USE_SYSROOT}" = "y" ]; then + CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/usr/lib/" + else + CT_DoExecLog ALL cp -fpv csu/crt[1in].o "${CT_SYSROOT_DIR}/lib/" + fi + + CT_EndStep +} + +# This function builds and install the full glibc +do_libc() { + CT_DoStep INFO "Installing C library" + + mkdir -p "${CT_BUILD_DIR}/build-libc" + cd "${CT_BUILD_DIR}/build-libc" + + CT_DoLog EXTRA "Configuring C library" + + # Add some default glibc config options if not given by user. + # We don't need to be conditional on wether the user did set different + # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config + + extra_config="--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')" + + case "${CT_THREADS}" in + nptl) extra_config="${extra_config} --with-__thread --with-tls";; + linuxthreads) extra_config="${extra_config} --with-__thread --without-tls --without-nptl";; + none) extra_config="${extra_config} --without-__thread --without-nptl" + case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in + *-tls*) ;; + *) extra_config="${extra_config} --without-tls";; + esac + ;; + esac + + case "${CT_SHARED_LIBS}" in + y) extra_config="${extra_config} --enable-shared";; + *) extra_config="${extra_config} --disable-shared";; + esac + + case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in + y,) extra_config="${extra_config} --with-fp";; + ,y) extra_config="${extra_config} --without-fp";; + esac + + case "$(do_libc_add_ons_list ,)" in + "") ;; + *) extra_config="${extra_config} --enable-add-ons=$(do_libc_add_ons_list ,)";; + esac + + # Add some default CC args + glibc_version_major=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^([^\.]+)\..*/\1/') + glibc_version_minor=$(echo ${CT_LIBC_VERSION} |sed -r -e 's/^[^\.]+\.([^.]+).*/\1/') + # In case we're using a snapshot, fake a >=2.6 version. + if [ "${CT_LIBC_V_LATEST}" = "y" \ + -o "${CT_LIBC_V_date}" = "y" ]; then + glibc_version_major=3 + glibc_version_minor=0 + fi + if [ ${glibc_version_major} -eq 2 -a ${glibc_version_minor} -ge 6 \ + -o ${glibc_version_major} -gt 2 ]; then + # Don't use -pipe: configure chokes on it for glibc >= 2.6. + CT_Test 'Removing "-pipe" for use with glibc>=2.6' "${CT_USE_PIPES}" = "y" + extra_cc_args="${CT_CFLAGS_FOR_HOST/-pipe}" + else + extra_cc_args="${CT_CFLAGS_FOR_HOST}" + fi + extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}" + + cross_cc=$(CT_Which "${CT_TARGET}-gcc") + CT_DoLog DEBUG "Using gcc for target : '${cross_cc}'" + CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'" + CT_DoLog DEBUG "Extra config args passed: '${extra_config}'" + CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'" + + # sh3 and sh4 really need to set configparms as of gcc-3.4/glibc-2.3.2 + # note: this is awkward, doesn't work well if you need more than one line in configparms + echo ${CT_LIBC_GLIBC_CONFIGPARMS} > configparms + + # For glibc 2.3.4 and later we need to set some autoconf cache + # variables, because nptl/sysdeps/pthread/configure.in does not + # work when cross-compiling. + if [ "${CT_THREADS}" = "nptl" ]; then + echo libc_cv_forced_unwind=yes + echo libc_cv_c_cleanup=yes + fi >config.cache + + # Configure with --prefix the way we want it on the target... + # There are a whole lot of settings here. You'll probably want + # to read up on what they all mean, and customize a bit, possibly by setting GLIBC_EXTRA_CONFIG + # Compare these options with the ones used when installing the glibc headers above - they're different. + # Adding "--without-gd" option to avoid error "memusagestat.c:36:16: gd.h: No such file or directory" + # See also http://sources.redhat.com/ml/libc-alpha/2000-07/msg00024.html. + # Set BUILD_CC, or you won't be able to build datafiles + # Set --build, else glibc-2.3.2 will think you're not cross-compiling, and try to run the test programs + + # OK. I'm fed up with those folks telling me what I should do. + # I don't configure nptl? Well, maybe that's purposedly because + # I don't want nptl! --disable-sanity-checks will shut up those + # silly messages. GNU folks again, he? + + BUILD_CC=${CT_CC_NATIVE} \ + CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \ + CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \ + AR=${CT_TARGET}-ar \ + RANLIB=${CT_TARGET}-ranlib \ + CT_DoExecLog ALL \ + "${CT_SRC_DIR}/${CT_LIBC_FILE}/configure" \ + --prefix=/usr \ + --build=${CT_UNIQ_BUILD} \ + --host=${CT_TARGET} \ + --without-cvs \ + --disable-profile \ + --disable-debug \ + --without-gd \ + --disable-sanity-checks \ + --cache-file=config.cache \ + --with-headers="${CT_HEADERS_DIR}" \ + ${extra_config} \ + ${CT_LIBC_GLIBC_EXTRA_CONFIG} + + if grep -l '^install-lib-all:' "${CT_SRC_DIR}/${CT_LIBC_FILE}/Makerules" > /dev/null; then + # nptl-era glibc. + # If the install-lib-all target (which is added by our make-install-lib-all.patch) + # is present, it means we're building glibc-2.3.3 or later, and we can't + # build programs yet, as they require libeh, which won't be installed + # until full build of gcc + # YEM-FIXME: This comment is misleading: latest glibc-s do not have the + # make-install-lib-all.patch applied, so do not pass through this + # part of the if statement; nonetheless, they do build, and + # the result is useable (maybe the dual-pass core gcc is + # responsible for this). + GLIBC_INITIAL_BUILD_RULE=lib + GLIBC_INITIAL_INSTALL_RULE="install-lib-all install-headers" + GLIBC_INSTALL_APPS_LATER=yes + else + # classic glibc. + # We can build and install everything with the bootstrap compiler. + # YEM-FIXME: See the above FIXME as well. + GLIBC_INITIAL_BUILD_RULE=all + GLIBC_INITIAL_INSTALL_RULE=install + GLIBC_INSTALL_APPS_LATER=no + fi + + # If this fails with an error like this: + # ... linux/autoconf.h: No such file or directory + # then you need to set the KERNELCONFIG variable to point to a .config file for this arch. + # The following architectures are known to need kernel .config: alpha, arm, ia64, s390, sh, sparc + # Note: LD and RANLIB needed by glibc-2.1.3's c_stub directory, at least on macosx + # No need for PARALLELMFLAGS here, Makefile already reads this environment variable + CT_DoLog EXTRA "Building C library" + CT_DoExecLog ALL make LD=${CT_TARGET}-ld \ + RANLIB=${CT_TARGET}-ranlib \ + OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \ + ${GLIBC_INITIAL_BUILD_RULE} + + CT_DoLog EXTRA "Installing C library" + CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \ + ${LIBC_SYSROOT_ARG} \ + OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \ + ${GLIBC_INITIAL_INSTALL_RULE} + + # This doesn't seem to work when building a crosscompiler, + # as it tries to execute localedef using the just-built ld.so!? + #CT_DoLog EXTRA "Installing locales" + #make localedata/install-locales install_root=${SYSROOT} 2>&1 |CT_DoLog ALL + + # Fix problems in linker scripts. + # + # 1. Remove absolute paths + # Any file in a list of known suspects that isn't a symlink is assumed to be a linker script. + # FIXME: test -h is not portable + # FIXME: probably need to check more files than just these three... + # Need to use sed instead of just assuming we know what's in libc.so because otherwise alpha breaks + # + # 2. Remove lines containing BUG per http://sources.redhat.com/ml/bug-glibc/2003-05/msg00055.html, + # needed to fix gcc-3.2.3/glibc-2.3.2 targeting arm + # + # To make "strip *.so.*" not fail (ptxdist does this), rename to .so_orig rather than .so.orig + CT_DoLog EXTRA "Fixing C library linker scripts" + for file in libc.so libpthread.so libgcc_s.so; do + for dir in lib lib64 usr/lib usr/lib64; do + if [ -f "${CT_SYSROOT_DIR}/${dir}/${file}" -a ! -L ${CT_SYSROOT_DIR}/$lib/$file ]; then + CT_DoExecLog ALL cp -v "${CT_SYSROOT_DIR}/${dir}/${file}" "${CT_SYSROOT_DIR}/${dir}/${file}_orig" + CT_DoLog DEBUG "Fixing '${CT_SYS_ROOT_DIR}/${dir}/${file}'" + CT_DoExecLog ALL sed -i -r -e 's,/usr/lib/,,g; + s,/usr/lib64/,,g; + s,/lib/,,g; + s,/lib64/,,g; + /BUG in libc.scripts.output-format.sed/d' "${CT_SYSROOT_DIR}/${dir}/${file}" + fi + done + done + + CT_EndStep +} + +# This function finishes the glibc install +do_libc_finish() { + # Finally, build and install glibc programs, now that libeh (if any) is installed + # Don't do this unless needed, 'cause it causes glibc-2.{1.3,2.2} to fail here with + # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__deregister_frame_info' + # .../gcc-3.4.1-glibc-2.1.3/build-glibc/libc.so.6: undefined reference to `__register_frame_info' + [ "${GLIBC_INSTALL_APPS_LATER}" = "yes" ] || return 0 + + CT_DoStep INFO "Finishing C library" + + cd "${CT_BUILD_DIR}/build-libc" + + CT_DoLog EXTRA "Re-building C library" + CT_DoExecLog ALL make LD=${CT_TARGET}-ld RANLIB=${CT_TARGET}-ranlib + + CT_DoLog EXTRA "Installing missing C library components" + # note: should do full install and then fix linker scripts, but this is faster + for t in bin rootsbin sbin data others; do + CT_DoExecLog ALL make install_root="${CT_SYSROOT_DIR}" \ + ${LIBC_SYSROOT_ARG} \ + OBJDUMP_FOR_HOST="${CT_TARGET}-objdump" \ + install-${t} + done + + CT_EndStep +} + +# Build up the addons list, separated with $1 +do_libc_add_ons_list() { + local sep="$1" + local addons_list=$(echo "${CT_LIBC_ADDONS_LIST//,/${sep}}" |tr -s ,) + case "${CT_THREADS}" in + none) ;; + *) addons_list="${addons_list}${sep}${CT_THREADS}";; + esac + [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports" + addons_list="${addons_list%%${sep}}" + echo "${addons_list##${sep}}" +} + diff --git a/scripts/build/libc/none.sh b/scripts/build/libc/none.sh new file mode 100644 index 00000000..4053459c --- /dev/null +++ b/scripts/build/libc/none.sh @@ -0,0 +1,36 @@ +# This file adds functions to build the C library for bare metal (IE. none) +# Copyright 2008 Yann E. MORIN +# Licensed under the GPL v2. See COPYING in the root of this package + +do_print_filename() { + : +} + +do_libc_get() { + : +} + +do_libc_extract() { + : +} + +do_libc_check_config() { + : +} + +do_libc_headers() { + : +} + +# Build and install start files +do_libc_start_files() { + : +} + +do_libc() { + : +} + +do_libc_finish() { + : +} diff --git a/scripts/build/libc/uClibc.sh b/scripts/build/libc/uClibc.sh new file mode 100644 index 00000000..85f5997b --- /dev/null +++ b/scripts/build/libc/uClibc.sh @@ -0,0 +1,313 @@ +# This file declares functions to install the uClibc C library +# Copyright 2007 Yann E. MORIN +# Licensed under the GPL v2. See COPYING in the root of this package + +do_print_filename() { + [ "${CT_LIBC}" = "uClibc" ] || return 0 + echo "uClibc-${CT_LIBC_VERSION}" + [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && echo "uClibc-locale-030818" || true +} + +# Download uClibc +do_libc_get() { + libc_src="http://www.uclibc.org/downloads + http://www.uclibc.org/downloads/snapshots + http://www.uclibc.org/downloads/old-releases" + # For uClibc, we have almost every thing: releases, and snapshots + # for the last month or so. We'll have to deal with svn revisions + # later... + CT_GetFile "${CT_LIBC_FILE}" ${libc_src} + # uClibc locales + [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && CT_GetFile "uClibc-locale-030818" ${libc_src} || true + + return 0 +} + +# Extract uClibc +do_libc_extract() { + CT_ExtractAndPatch "${CT_LIBC_FILE}" + # uClibc locales + [ "${CT_LIBC_UCLIBC_LOCALES}" = "y" ] && CT_ExtractAndPatch "uClibc-locale-030818" || true + + return 0 +} + +# Check that uClibc has been previously configured +do_libc_check_config() { + CT_DoStep INFO "Checking C library configuration" + + CT_TestOrAbort "You did not provide a uClibc config file!" -n "${CT_LIBC_UCLIBC_CONFIG_FILE}" -a -f "${CT_LIBC_UCLIBC_CONFIG_FILE}" + + if egrep '^KERNEL_SOURCE=' "${CT_LIBC_UCLIBC_CONFIG_FILE}" >/dev/null 2>&1; then + CT_DoLog WARN "Your uClibc version refers to the kernel _sources_, which is bad." + CT_DoLog WARN "I can't guarantee that our little hack will work. Please try to upgrade." + fi + + CT_DoLog EXTRA "Munging uClibc configuration" + mungeuClibcConfig "${CT_LIBC_UCLIBC_CONFIG_FILE}" "${CT_BUILD_DIR}/uClibc.config" + + CT_EndStep +} + +# This functions installs uClibc's headers +do_libc_headers() { + # Only need to install bootstrap uClibc headers for gcc-3.0 and above? Or maybe just gcc-3.3 and above? + # See also http://gcc.gnu.org/PR8180, which complains about the need for this step. + grep -q 'gcc-[34]' "${CT_SRC_DIR}/${CT_CC_FILE}/ChangeLog" 2>/dev/null || return 0 + + CT_DoStep INFO "Installing C library headers" + + mkdir -p "${CT_BUILD_DIR}/build-libc-headers" + cd "${CT_BUILD_DIR}/build-libc-headers" + + # Simply copy files until uClibc has the ablity to build out-of-tree + CT_DoLog EXTRA "Copying sources to build dir" + { cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf - + + # Retrieve the config file + cp "${CT_BUILD_DIR}/uClibc.config" .config + + # uClibc uses the CROSS environment variable as a prefix to the + # compiler tools to use. Setting it to the empty string forces + # use of the native build host tools, which we need at this + # stage, as we don't have target tools yet. + CT_DoLog EXTRA "Applying configuration" + CT_DoYes "" |CT_DoExecLog ALL make CROSS= PREFIX="${CT_SYSROOT_DIR}/" oldconfig + + CT_DoLog EXTRA "Building headers" + CT_DoExecLog ALL make ${CT_LIBC_UCLIBC_VERBOSITY} CROSS= PREFIX="${CT_SYSROOT_DIR}/" headers + + CT_DoLog EXTRA "Installing headers" + CT_DoExecLog ALL make ${CT_LIBC_UCLIBC_VERBOSITY} CROSS= PREFIX="${CT_SYSROOT_DIR}/" install_dev + + CT_EndStep +} + +# Build and install start files +do_libc_start_files() { + : +} + +# This function build and install the full uClibc +do_libc() { + CT_DoStep INFO "Installing C library" + + mkdir -p "${CT_BUILD_DIR}/build-libc" + cd "${CT_BUILD_DIR}/build-libc" + + # Simply copy files until uClibc has the ablity to build out-of-tree + CT_DoLog EXTRA "Copying sources to build dir" + { cd "${CT_SRC_DIR}/${CT_LIBC_FILE}"; tar cf - .; } |tar xf - + + # Retrieve the config file + cp "${CT_BUILD_DIR}/uClibc.config" .config + + # uClibc uses the CROSS environment variable as a prefix to the compiler + # tools to use. The newly built tools should be in our path, so we need + # only give the correct name for them. + # Note about CFLAGS: In uClibc, CFLAGS are generated by Rules.mak, + # depending on the configuration of the library. That is, they are tailored + # to best fit the target. So it is useless and seems to be a bad thing to + # use LIBC_EXTRA_CFLAGS here. + CT_DoLog EXTRA "Applying configuration" + CT_DoYes "" |CT_DoExecLog ALL \ + make CROSS=${CT_TARGET}- \ + PREFIX="${CT_SYSROOT_DIR}/" \ + oldconfig + + # We do _not_ want to strip anything for now, in case we specifically + # asked for a debug toolchain, thus the STRIPTOOL= assignment + CT_DoLog EXTRA "Building C library" + CT_DoExecLog ALL \ + make CROSS=${CT_TARGET}- \ + PREFIX="${CT_SYSROOT_DIR}/" \ + STRIPTOOL=true \ + ${CT_LIBC_UCLIBC_VERBOSITY} \ + all + + # YEM-FIXME: we want to install libraries in $SYSROOT/lib, but we don't want + # to install headers in $SYSROOT/include, thus making only install_runtime. + # Plus, the headers were previously installed earlier with install_dev, so + # all should be well. Unfortunately, the install_dev target does not install + # crti.o and consorts... :-( So reverting to target 'install'. + # Note: PARALLELMFLAGS is not usefull for installation. + # We do _not_ want to strip anything for now, in case we specifically + # asked for a debug toolchain, thus the STRIPTOOL= assignment + CT_DoLog EXTRA "Installing C library" + CT_DoExecLog ALL \ + make CROSS=${CT_TARGET}- \ + PREFIX="${CT_SYSROOT_DIR}/" \ + STRIPTOOL=true \ + ${CT_LIBC_UCLIBC_VERBOSITY} \ + install + + CT_EndStep +} + +# This function is used to install those components needing the final C compiler +do_libc_finish() { + : +} + +# Initialises the .config file to sensible values +# $1: original file +# $2: munged file +mungeuClibcConfig() { + src_config_file="$1" + dst_config_file="$2" + munge_file="${CT_BUILD_DIR}/munge-uClibc-config.sed" + + # Start with a fresh file + rm -f "${munge_file}" + touch "${munge_file}" + + # Hack our target in the config file. + # Also remove stripping: its the responsibility of the + # firmware builder to strip or not. + cat >>"${munge_file}" <<-ENDSED +s/^(TARGET_.*)=y$/# \\1 is not set/ +s/^# TARGET_${CT_KERNEL_ARCH} is not set/TARGET_${CT_KERNEL_ARCH}=y/ +s/^TARGET_ARCH=".*"/TARGET_ARCH="${CT_KERNEL_ARCH}"/ +s/.*(DOSTRIP).*/# \\1 is not set/ +ENDSED + + # Ah. We may one day need architecture-specific handler here... + # Hack the ARM {E,O}ABI into the config file + if [ "${CT_ARCH_ARM_EABI}" = "y" ]; then + cat >>"${munge_file}" <<-ENDSED +s/.*(CONFIG_ARM_OABI).*/# \\1 is not set/ +s/.*(CONFIG_ARM_EABI).*/\\1=y/ +ENDSED + else + cat >>"${munge_file}" <<-ENDSED +s/.*(CONFIG_ARM_OABI).*/\\1=y/ +s/.*(CONFIG_ARM_EABI).*/# \\1 is not set/ +ENDSED + fi + + # Accomodate for old and new uClibc versions, where the + # way to select between big/little endian has changed + case "${CT_ARCH_BE},${CT_ARCH_LE}" in + y,) cat >>"${munge_file}" <<-ENDSED +s/.*(ARCH_LITTLE_ENDIAN).*/# \\1 is not set/ +s/.*(ARCH_BIG_ENDIAN).*/\\1=y/ +s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/# \\1 is not set/ +s/.*(ARCH_WANTS_BIG_ENDIAN).*/\\1=y/ +ENDSED + ;; + ,y) cat >>"${munge_file}" <<-ENDSED +s/.*(ARCH_LITTLE_ENDIAN).*/\\1=y/ +s/.*(ARCH_BIG_ENDIAN).*/# \\1 is not set/ +s/.*(ARCH_WANTS_LITTLE_ENDIAN).*/\\1=y/ +s/.*(ARCH_WANTS_BIG_ENDIAN).*/# \\1 is not set/ +ENDSED + ;; + esac + + # Accomodate for old and new uClibc version, where the + # way to select between hard/soft float has changed + case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in + y,) cat >>"${munge_file}" <<-ENDSED +s/^[^_]*(HAS_FPU).*/\\1=y/ +s/.*(UCLIBC_HAS_FPU).*/\\1=y/ +ENDSED + ;; + ,y) cat >>"${munge_file}" <<-ENDSED +s/^[^_]*(HAS_FPU).*/\\# \\1 is not set/ +s/.*(UCLIBC_HAS_FPU).*/# \\1 is not set/ +ENDSED + ;; + esac + + # Change paths to work with crosstool-NG + # From http://www.uclibc.org/cgi-bin/viewcvs.cgi?rev=16846&view=rev + # " we just want the kernel headers, not the whole kernel source ... + # " so people may need to update their paths slightly + quoted_kernel_source=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/include/?$,,; s,/,\\/,g;') + quoted_headers_dir=$(echo "${CT_HEADERS_DIR}" | sed -r -e 's,/,\\/,g;') + # CROSS_COMPILER_PREFIX is left as is, as the CROSS parameter is forced on the command line + # DEVEL_PREFIX is left as '/usr/' because it is post-pended to $PREFIX, wich is the correct value of ${PREFIX}/${TARGET} + # Some (old) versions of uClibc use KERNEL_SOURCE (which is _wrong_), and + # newer versions use KERNEL_HEADERS (which is right). See: + cat >>"${munge_file}" <<-ENDSED +s/^DEVEL_PREFIX=".*"/DEVEL_PREFIX="\\/usr\\/"/ +s/^RUNTIME_PREFIX=".*"/RUNTIME_PREFIX="\\/"/ +s/^SHARED_LIB_LOADER_PREFIX=.*/SHARED_LIB_LOADER_PREFIX="\\/lib\\/"/ +s/^KERNEL_SOURCE=".*"/KERNEL_SOURCE="${quoted_kernel_source}"/ +s/^KERNEL_HEADERS=".*"/KERNEL_HEADERS="${quoted_headers_dir}"/ +s/^UCLIBC_DOWNLOAD_PREGENERATED_LOCALE=y/\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE is not set/ +ENDSED + + if [ "${CT_USE_PIPES}" = "y" ]; then + if grep UCLIBC_EXTRA_CFLAGS extra/Configs/Config.in >/dev/null 2>&1; then + # Good, there is special provision for such things as -pipe! + cat >>"${munge_file}" <<-ENDSED +s/^(UCLIBC_EXTRA_CFLAGS=".*)"$/\\1 -pipe"/ +ENDSED + else + # Hack our -pipe into WARNINGS, which will be internally incorporated to + # CFLAGS. This a dirty hack, but yet needed + cat >> "${munge_file}" <<-ENDSED +s/^(WARNINGS=".*)"$/\\1 -pipe"/ +ENDSED + fi + fi + + # Force on options needed for C++ if we'll be making a C++ compiler. + # Note that the two PREGEN_LOCALE and the XLOCALE lines may be missing + # entirely if LOCALE is not set. If LOCALE was already set, we'll + # assume the user has already made all the appropriate generation + # arrangements. Note that having the uClibc Makefile download the + # pregenerated locales is not compatible with crosstool; besides, + # crosstool downloads them as part of getandpatch.sh. + if [ "${CT_CC_LANG_CXX}" = "y" ]; then + cat >>"${munge_file}" <<-ENDSED +s/^# DO_C99_MATH is not set/DO_C99_MATH=y/ +s/^# UCLIBC_CTOR_DTOR is not set/UCLIBC_CTOR_DTOR=y/ +# Add these three lines when doing C++? +s/^# UCLIBC_HAS_WCHAR is not set/UCLIBC_HAS_WCHAR=y/ +#s/^# UCLIBC_HAS_LOCALE is not set/UCLIBC_HAS_LOCALE=y\\nUCLIBC_PREGENERATED_LOCALE_DATA=y\\n\\# UCLIBC_DOWNLOAD_PREGENERATED_LOCALE_DATA is not set\\n\\# UCLIBC_HAS_XLOCALE is not set/ +s/^# UCLIBC_HAS_GNU_GETOPT is not set/UCLIBC_HAS_GNU_GETOPT=y/ +ENDSED + fi + + # Always build the libpthread_db + cat >>"${munge_file}" <<-ENDSED +s/^# PTHREADS_DEBUG_SUPPORT is not set.*/PTHREADS_DEBUG_SUPPORT=y/ +ENDSED + + # Force on debug options if asked for + case "${CT_LIBC_UCLIBC_DEBUG_LEVEL}" in + 0) + cat >>"${munge_file}" <<-ENDSED +s/^DODEBUG=y/# DODEBUG is not set/ +s/^DODEBUG_PT=y/# DODEBUG_PT is not set/ +s/^DOASSERTS=y/# DOASSERTS is not set/ +s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/ +s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/ +s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/ +ENDSED + ;; + 1) + cat >>"${munge_file}" <<-ENDSED +s/^# DODEBUG is not set.*/DODEBUG=y/ +s/^DODEBUG_PT=y/# DODEBUG_PT is not set/ +s/^DOASSERTS=y/# DOASSERTS is not set/ +s/^SUPPORT_LD_DEBUG=y/# SUPPORT_LD_DEBUG is not set/ +s/^SUPPORT_LD_DEBUG_EARLY=y/# SUPPORT_LD_DEBUG_EARLY is not set/ +s/^UCLIBC_MALLOC_DEBUGGING=y/# UCLIBC_MALLOC_DEBUGGING is not set/ +ENDSED + ;; + 2) + cat >>"${munge_file}" <<-ENDSED +s/^# DODEBUG is not set.*/DODEBUG=y/ +s/^# DODEBUG_PT is not set.*/DODEBUG_PT=y/ +s/^# DOASSERTS is not set.*/DOASSERTS=y/ +s/^# SUPPORT_LD_DEBUG is not set.*/SUPPORT_LD_DEBUG=y/ +s/^# SUPPORT_LD_DEBUG_EARLY is not set.*/SUPPORT_LD_DEBUG_EARLY=y/ +s/^# UCLIBC_MALLOC_DEBUGGING is not set/UCLIBC_MALLOC_DEBUGGING=y/ +ENDSED + ;; + esac + sed -r -f "${munge_file}" "${src_config_file}" >"${dst_config_file}" +} |