1 # eglibc build functions (initially by Thomas JOURDAN).
3 # Download eglibc repository
7 case "${CT_LIBC_VERSION}" in
8 trunk) svn_url="svn://svn.eglibc.org/trunk";;
9 *) svn_url="svn://svn.eglibc.org/branches/eglibc-${CT_LIBC_VERSION}";;
12 case "${CT_EGLIBC_CHECKOUT}" in
13 y) svn_action="checkout";;
14 *) svn_action="export --force";;
17 CT_DoExecLog ALL svn ${svn_action} -r "${CT_EGLIBC_REVISION:-HEAD}" "${svn_url}" . 2>&1
20 CT_DoExecLog ALL mv libc "eglibc-${CT_LIBC_VERSION}"
21 CT_DoExecLog ALL tar cjf "eglibc-${CT_LIBC_VERSION}.tar.bz2" "eglibc-${CT_LIBC_VERSION}"
23 # Compress linuxthreads, localedef and ports
24 # Assign them the name the way ct-ng like it
25 for addon in linuxthreads localedef ports; do
26 CT_DoExecLog ALL mv "${addon}" "eglibc-${addon}-${CT_LIBC_VERSION}"
27 CT_DoExecLog ALL tar cjf "eglibc-${addon}-${CT_LIBC_VERSION}.tar.bz2" "eglibc-${addon}-${CT_LIBC_VERSION}"
33 # eglibc is only available through subversion, there are no
34 # snapshots available. Moreover, addons will be downloaded
38 eglibc="eglibc-${CT_LIBC_VERSION}.tar.bz2"
39 eglibc_linuxthreads="${CT_LIBC}-linuxthreads-${CT_LIBC_VERSION}.tar.bz2"
40 eglibc_localedef="${CT_LIBC}-localedef-${CT_LIBC_VERSION}.tar.bz2"
41 eglibc_ports="${CT_LIBC}-ports-${CT_LIBC_VERSION}.tar.bz2"
43 # Check if every tarballs are already present
44 if [ -a "${CT_TARBALLS_DIR}/${eglibc}" ] && \
45 [ -a "${CT_TARBALLS_DIR}/${eglibc_linuxthreads}" ] && \
46 [ -a "${CT_TARBALLS_DIR}/${eglibc_localedef}" ] && \
47 [ -a "${CT_TARBALLS_DIR}/${eglibc_ports}" ]; then
48 CT_DoLog DEBUG "Already have 'eglibc-${CT_LIBC_VERSION}'"
52 if [ -a "${CT_LOCAL_TARBALLS_DIR}/${eglibc}" ] && \
53 [ -a "${CT_LOCAL_TARBALLS_DIR}/${eglibc_linuxthreads}" ] && \
54 [ -a "${CT_LOCAL_TARBALLS_DIR}/${eglibc_localedef}" ] && \
55 [ -a "${CT_LOCAL_TARBALLS_DIR}/${eglibc_ports}" ] && \
56 [ "${CT_FORCE_DOWNLOAD}" != "y" ]; then
57 CT_DoLog DEBUG "Got 'eglibc-${CT_LIBC_VERSION}' from local storage"
58 for file in ${eglibc} ${eglibc_linuxthreads} ${eglibc_localedef} ${eglibc_ports}; do
59 CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${file}" "${CT_TARBALLS_DIR}/${file}"
64 # Not found locally, try from the network
65 CT_DoLog EXTRA "Retrieving 'eglibc-${CT_LIBC_VERSION}'"
71 CT_DoLog DEBUG "Moving 'eglibc-${CT_LIBC_VERSION}' to tarball directory"
72 for file in ${eglibc} ${eglibc_linuxthreads} ${eglibc_localedef} ${eglibc_ports}; do
73 CT_DoExecLog ALL mv -f "${file}" "${CT_TARBALLS_DIR}"
79 CT_DoExecLog ALL rm -rf "${tmp_dir}"
81 if [ "${CT_SAVE_TARBALLS}" = "y" ]; then
82 CT_DoLog EXTRA "Saving 'eglibc-${CT_LIBC_VERSION}' to local storage"
83 for file in ${eglibc} ${eglibc_linuxthreads} ${eglibc_localedef} ${eglibc_ports}; do
84 CT_DoExecLog ALL mv -f "${CT_TARBALLS_DIR}/${file}" "${CT_LOCAL_TARBALLS_DIR}"
85 CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${file}" "${CT_TARBALLS_DIR}/${file}"
94 CT_Extract "eglibc-${CT_LIBC_VERSION}"
95 CT_Patch "eglibc-${CT_LIBC_VERSION}"
98 for addon in $(do_libc_add_ons_list " "); do
99 # NPTL addon is not to be extracted, in any case
100 [ "${addon}" = "nptl" ] && continue || true
101 CT_Pushd "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}"
102 CT_Extract "eglibc-${addon}-${CT_LIBC_VERSION}" nochdir
103 # Some addons have the 'long' name, while others have the
104 # 'short' name, but patches are non-uniformly built with
105 # either the 'long' or 'short' name, whatever the addons name
106 # so we have to make symlinks from the existing to the missing
107 # Fortunately for us, [ -d foo ], when foo is a symlink to a
108 # directory, returns true!
109 [ -d "${addon}" ] || ln -s "eglibc-${addon}-${CT_LIBC_VERSION}" "${addon}"
110 [ -d "eglibc-${addon}-${CT_LIBC_VERSION}" ] || ln -s "${addon}" "eglibc-${addon}-${CT_LIBC_VERSION}"
111 CT_Patch "eglibc-${addon}-${CT_LIBC_VERSION}" nochdir
115 # The configure files may be older than the configure.in files
116 # if using a snapshot (or even some tarballs). Fake them being
118 find "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}" -type f -name configure -exec touch {} \; 2>&1 |CT_DoLog ALL
123 # There is nothing to do for eglibc check config
124 do_libc_check_config() {
128 # This function installs the eglibc headers needed to build the core compiler
130 # Instead of doing two time the same actions, headers will
131 # be installed with start files
135 # Build and install start files
136 do_libc_start_files() {
137 CT_DoStep INFO "Installing C library headers / start files"
139 mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
140 cd "${CT_BUILD_DIR}/build-libc-startfiles"
142 CT_DoLog EXTRA "Configuring C library"
144 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
145 cross_cxx=$(CT_Which "${CT_TARGET}-g++")
146 cross_ar=$(CT_Which "${CT_TARGET}-ar")
147 cross_ranlib=$(CT_Which "${CT_TARGET}-ranlib")
149 CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
150 CT_DoLog DEBUG "Using g++ for target: '${cross_cxx}'"
151 CT_DoLog DEBUG "Using ar for target: '${cross_ar}'"
152 CT_DoLog DEBUG "Using ranlib for target: '${cross_ranlib}'"
154 BUILD_CC="${CT_BUILD}-gcc" \
158 RANLIB=${cross_ranlib} \
160 "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/configure" \
162 --with-headers="${CT_HEADERS_DIR}" \
163 --build="${CT_BUILD}" \
164 --host="${CT_TARGET}" \
170 CT_DoLog EXTRA "Installing C library headers"
172 # use the 'install-headers' makefile target to install the
176 make install-headers \
177 install_root=${CT_SYSROOT_DIR} \
178 install-bootstrap-headers=yes
180 CT_DoLog EXTRA "Installing C library start files"
182 # there are a few object files needed to link shared libraries,
183 # which we build and install by hand
185 CT_DoExecLog ALL mkdir -p ${CT_SYSROOT_DIR}/usr/lib
186 CT_DoExecLog ALL make csu/subdir_lib
187 CT_DoExecLog ALL cp csu/crt1.o csu/crti.o csu/crtn.o \
188 ${CT_SYSROOT_DIR}/usr/lib
190 # Finally, 'libgcc_s.so' requires a 'libc.so' to link against.
191 # However, since we will never actually execute its code,
192 # it doesn't matter what it contains. So, treating '/dev/null'
193 # as a C source file, we produce a dummy 'libc.so' in one step
195 CT_DoExecLog ALL ${cross_cc} -nostdlib -nostartfiles -shared -x c /dev/null -o ${CT_SYSROOT_DIR}/usr/lib/libc.so
200 # This function builds and install the full glibc
202 CT_DoStep INFO "Installing C library"
204 mkdir -p "${CT_BUILD_DIR}/build-libc"
205 cd "${CT_BUILD_DIR}/build-libc"
207 CT_DoLog EXTRA "Configuring C library"
209 # Add some default glibc config options if not given by user.
210 # We don't need to be conditional on wether the user did set different
211 # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
213 extra_config="--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')"
215 case "${CT_THREADS}" in
216 nptl) extra_config="${extra_config} --with-__thread --with-tls";;
217 linuxthreads) extra_config="${extra_config} --with-__thread --without-tls --without-nptl";;
218 none) extra_config="${extra_config} --without-__thread --without-nptl"
219 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
221 *) extra_config="${extra_config} --without-tls";;
226 case "${CT_SHARED_LIBS}" in
227 y) extra_config="${extra_config} --enable-shared";;
228 *) extra_config="${extra_config} --disable-shared";;
231 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
232 y,) extra_config="${extra_config} --with-fp";;
233 ,y) extra_config="${extra_config} --without-fp";;
236 case "$(do_libc_add_ons_list ,)" in
238 *) extra_config="${extra_config} --enable-add-ons=$(do_libc_add_ons_list ,)";;
241 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
243 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
245 CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
246 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
247 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
248 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
250 BUILD_CC="${CT_BUILD}-gcc" \
251 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
252 CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
254 RANLIB=${CT_TARGET}-ranlib \
256 "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/configure" \
258 --with-headers="${CT_HEADERS_DIR}" \
259 --build=${CT_BUILD} \
260 --host=${CT_TARGET} \
265 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
267 CT_DoLog EXTRA "Building C library"
270 # http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
271 case "${CT_ARCH},${CT_ARCH_CPU}" in
273 CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
274 EGLIBC_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;
277 CT_DoExecLog ALL make ASFLAGS="${EGLIBC_BUILD_ASFLAGS}"
279 CT_DoLog EXTRA "Installing C library"
281 CT_DoExecLog ALL make install install_root="${CT_SYSROOT_DIR}"
286 # This function finishes the glibc install
288 # Nothing to be done for eglibc
292 # Build up the addons list, separated with $1
293 do_libc_add_ons_list() {
295 local addons_list=$(echo "${CT_LIBC_ADDONS_LIST//,/${sep}}" |tr -s ,)
296 case "${CT_THREADS}" in
298 *) addons_list="${addons_list}${sep}${CT_THREADS}";;
300 [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
301 addons_list="${addons_list%%${sep}}"
302 echo "${addons_list##${sep}}"