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_DoSetProxy ${CT_PROXY_TYPE}
18 CT_DoExecLog ALL svn ${svn_action} -r "${CT_EGLIBC_REVISION:-HEAD}" "${svn_url}" . 2>&1
21 CT_DoExecLog ALL mv libc "eglibc-${CT_LIBC_VERSION}"
22 CT_DoExecLog ALL tar cjf "eglibc-${CT_LIBC_VERSION}.tar.bz2" "eglibc-${CT_LIBC_VERSION}"
24 # Compress linuxthreads, localedef and ports
25 # Assign them the name the way ct-ng like it
26 for addon in linuxthreads localedef ports; do
27 CT_DoExecLog ALL mv "${addon}" "eglibc-${addon}-${CT_LIBC_VERSION}"
28 CT_DoExecLog ALL tar cjf "eglibc-${addon}-${CT_LIBC_VERSION}.tar.bz2" "eglibc-${addon}-${CT_LIBC_VERSION}"
34 # eglibc is only available through subversion, there are no
35 # snapshots available. Moreover, addons will be downloaded
39 eglibc="eglibc-${CT_LIBC_VERSION}.tar.bz2"
40 eglibc_linuxthreads="${CT_LIBC}-linuxthreads-${CT_LIBC_VERSION}.tar.bz2"
41 eglibc_localedef="${CT_LIBC}-localedef-${CT_LIBC_VERSION}.tar.bz2"
42 eglibc_ports="${CT_LIBC}-ports-${CT_LIBC_VERSION}.tar.bz2"
44 # Check if every tarballs are already present
45 if [ -a "${CT_TARBALLS_DIR}/${eglibc}" ] && \
46 [ -a "${CT_TARBALLS_DIR}/${eglibc_linuxthreads}" ] && \
47 [ -a "${CT_TARBALLS_DIR}/${eglibc_localedef}" ] && \
48 [ -a "${CT_TARBALLS_DIR}/${eglibc_ports}" ]; then
49 CT_DoLog DEBUG "Already have 'eglibc-${CT_LIBC_VERSION}'"
53 if [ -a "${CT_LOCAL_TARBALLS_DIR}/${eglibc}" ] && \
54 [ -a "${CT_LOCAL_TARBALLS_DIR}/${eglibc_linuxthreads}" ] && \
55 [ -a "${CT_LOCAL_TARBALLS_DIR}/${eglibc_localedef}" ] && \
56 [ -a "${CT_LOCAL_TARBALLS_DIR}/${eglibc_ports}" ] && \
57 [ "${CT_FORCE_DOWNLOAD}" != "y" ]; then
58 CT_DoLog DEBUG "Got 'eglibc-${CT_LIBC_VERSION}' from local storage"
59 for file in ${eglibc} ${eglibc_linuxthreads} ${eglibc_localedef} ${eglibc_ports}; do
60 CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${file}" "${CT_TARBALLS_DIR}/${file}"
65 # Not found locally, try from the network
66 CT_DoLog EXTRA "Retrieving 'eglibc-${CT_LIBC_VERSION}'"
72 CT_DoLog DEBUG "Moving 'eglibc-${CT_LIBC_VERSION}' to tarball directory"
73 for file in ${eglibc} ${eglibc_linuxthreads} ${eglibc_localedef} ${eglibc_ports}; do
74 CT_DoExecLog ALL mv -f "${file}" "${CT_TARBALLS_DIR}"
80 CT_DoExecLog ALL rm -rf "${tmp_dir}"
82 if [ "${CT_SAVE_TARBALLS}" = "y" ]; then
83 CT_DoLog EXTRA "Saving 'eglibc-${CT_LIBC_VERSION}' to local storage"
84 for file in ${eglibc} ${eglibc_linuxthreads} ${eglibc_localedef} ${eglibc_ports}; do
85 CT_DoExecLog ALL mv -f "${CT_TARBALLS_DIR}/${file}" "${CT_LOCAL_TARBALLS_DIR}"
86 CT_DoExecLog ALL ln -s "${CT_LOCAL_TARBALLS_DIR}/${file}" "${CT_TARBALLS_DIR}/${file}"
95 CT_ExtractAndPatch "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_ExtractAndPatch "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" nochdir
106 # The configure files may be older than the configure.in files
107 # if using a snapshot (or even some tarballs). Fake them being
109 find "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}" -type f -name configure -exec touch {} \; 2>&1 |CT_DoLog ALL
114 # There is nothing to do for eglibc check config
115 do_libc_check_config() {
119 # This function installs the eglibc headers needed to build the core compiler
121 # Instead of doing two time the same actions, headers will
122 # be installed with start files
126 # Build and install start files
127 do_libc_start_files() {
128 CT_DoStep INFO "Installing C library headers / start files"
130 mkdir -p "${CT_BUILD_DIR}/build-libc-startfiles"
131 cd "${CT_BUILD_DIR}/build-libc-startfiles"
133 CT_DoLog EXTRA "Configuring C library"
135 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
136 cross_cxx=$(CT_Which "${CT_TARGET}-g++")
137 cross_ar=$(CT_Which "${CT_TARGET}-ar")
138 cross_ranlib=$(CT_Which "${CT_TARGET}-ranlib")
140 CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
141 CT_DoLog DEBUG "Using g++ for target: '${cross_cxx}'"
142 CT_DoLog DEBUG "Using ar for target: '${cross_ar}'"
143 CT_DoLog DEBUG "Using ranlib for target: '${cross_ranlib}'"
145 BUILD_CC="${CT_BUILD}-gcc" \
149 RANLIB=${cross_ranlib} \
151 "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/configure" \
153 --with-headers="${CT_HEADERS_DIR}" \
154 --build="${CT_BUILD}" \
155 --host="${CT_TARGET}" \
161 CT_DoLog EXTRA "Installing C library headers"
163 # use the 'install-headers' makefile target to install the
167 make install-headers \
168 install_root=${CT_SYSROOT_DIR} \
169 install-bootstrap-headers=yes
171 CT_DoLog EXTRA "Installing C library start files"
173 # there are a few object files needed to link shared libraries,
174 # which we build and install by hand
176 CT_DoExecLog ALL mkdir -p ${CT_SYSROOT_DIR}/usr/lib
177 CT_DoExecLog ALL make csu/subdir_lib
178 CT_DoExecLog ALL cp csu/crt1.o csu/crti.o csu/crtn.o \
179 ${CT_SYSROOT_DIR}/usr/lib
181 # Finally, 'libgcc_s.so' requires a 'libc.so' to link against.
182 # However, since we will never actually execute its code,
183 # it doesn't matter what it contains. So, treating '/dev/null'
184 # as a C source file, we produce a dummy 'libc.so' in one step
186 CT_DoExecLog ALL ${cross_cc} -nostdlib -nostartfiles -shared -x c /dev/null -o ${CT_SYSROOT_DIR}/usr/lib/libc.so
191 # This function builds and install the full glibc
193 CT_DoStep INFO "Installing C library"
195 mkdir -p "${CT_BUILD_DIR}/build-libc"
196 cd "${CT_BUILD_DIR}/build-libc"
198 CT_DoLog EXTRA "Configuring C library"
200 # Add some default glibc config options if not given by user.
201 # We don't need to be conditional on wether the user did set different
202 # values, as they CT_LIBC_GLIBC_EXTRA_CONFIG is passed after extra_config
204 extra_config="--enable-kernel=$(echo ${CT_LIBC_GLIBC_MIN_KERNEL} |sed -r -e 's/^([^.]+\.[^.]+\.[^.]+)(|\.[^.]+)$/\1/;')"
206 case "${CT_THREADS}" in
207 nptl) extra_config="${extra_config} --with-__thread --with-tls";;
208 linuxthreads) extra_config="${extra_config} --with-__thread --without-tls --without-nptl";;
209 none) extra_config="${extra_config} --without-__thread --without-nptl"
210 case "${CT_LIBC_GLIBC_EXTRA_CONFIG}" in
212 *) extra_config="${extra_config} --without-tls";;
217 case "${CT_SHARED_LIBS}" in
218 y) extra_config="${extra_config} --enable-shared";;
219 *) extra_config="${extra_config} --disable-shared";;
222 case "${CT_ARCH_FLOAT_HW},${CT_ARCH_FLOAT_SW}" in
223 y,) extra_config="${extra_config} --with-fp";;
224 ,y) extra_config="${extra_config} --without-fp";;
227 case "$(do_libc_add_ons_list ,)" in
229 *) extra_config="${extra_config} --enable-add-ons=$(do_libc_add_ons_list ,)";;
232 extra_cc_args="${extra_cc_args} ${CT_ARCH_ENDIAN_OPT}"
234 cross_cc=$(CT_Which "${CT_TARGET}-gcc")
236 CT_DoLog DEBUG "Using gcc for target: '${cross_cc}'"
237 CT_DoLog DEBUG "Configuring with addons : '$(do_libc_add_ons_list ,)'"
238 CT_DoLog DEBUG "Extra config args passed: '${extra_config}'"
239 CT_DoLog DEBUG "Extra CC args passed : '${extra_cc_args}'"
241 BUILD_CC="${CT_BUILD}-gcc" \
242 CFLAGS="${CT_TARGET_CFLAGS} ${CT_LIBC_GLIBC_EXTRA_CFLAGS} -O" \
243 CC="${CT_TARGET}-gcc ${CT_LIBC_EXTRA_CC_ARGS} ${extra_cc_args}" \
245 RANLIB=${CT_TARGET}-ranlib \
247 "${CT_SRC_DIR}/eglibc-${CT_LIBC_VERSION}/configure" \
249 --with-headers="${CT_HEADERS_DIR}" \
250 --build=${CT_BUILD} \
251 --host=${CT_TARGET} \
256 ${CT_LIBC_GLIBC_EXTRA_CONFIG}
258 CT_DoLog EXTRA "Building C library"
260 CT_DoExecLog ALL make
262 CT_DoLog EXTRA "Installing C library"
264 CT_DoExecLog ALL make install install_root="${CT_SYSROOT_DIR}"
269 # This function finishes the glibc install
271 # Nothing to be done for eglibc
275 # Build up the addons list, separated with $1
276 do_libc_add_ons_list() {
278 local addons_list=$(echo "${CT_LIBC_ADDONS_LIST//,/${sep}}" |tr -s ,)
279 case "${CT_THREADS}" in
281 *) addons_list="${addons_list}${sep}${CT_THREADS}";;
283 [ "${CT_LIBC_GLIBC_USE_PORTS}" = "y" ] && addons_list="${addons_list}${sep}ports"
284 addons_list="${addons_list%%${sep}}"
285 echo "${addons_list##${sep}}"