1 # This file adds the function to build the gcc C compiler
2 # Copyright 2007 Yann E. MORIN
3 # Licensed under the GPL v2. See COPYING in the root of this package
7 # Ah! gcc folks are kind of 'different': they store the tarballs in
8 # subdirectories of the same name! That's because gcc is such /crap/ that
9 # it is such /big/ that it needs being splitted for distribution! Sad. :-(
10 # Arrgghh! Some of those versions does not follow this convention:
11 # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a
12 # subdirectory! You bastard!
13 CT_GetFile "gcc-${CT_CC_VERSION}" \
14 {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/gcc-${CT_CC_VERSION}} \
15 ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/releases/gcc-${CT_CC_VERSION} \
16 ftp://ftp.uvsq.fr/pub/gcc/snapshots/${CT_CC_VERSION}
18 # Starting with GCC 4.3, ecj is used for Java, and will only be
19 # built if the configure script finds ecj.jar at the top of the
20 # GCC source tree, which will not be there unless we get it and
21 # put it there ourselves
22 if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" ]; then
23 CT_GetFile ecj-latest .jar ftp://gcc.gnu.org/pub/java \
24 ftp://sourceware.org/pub/java
30 CT_Extract "gcc-${CT_CC_VERSION}"
31 CT_Patch "gcc-${CT_CC_VERSION}"
33 # Copy ecj-latest.jar to ecj.jar at the top of the GCC source tree
34 if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" \
35 -a ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar" \
37 CT_DoExecLog ALL cp -v "${CT_TARBALLS_DIR}/ecj-latest.jar" "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"
41 #------------------------------------------------------------------------------
44 # If we're building for bare metal, build the static core gcc,
46 # In case we're not bare metal, and we're NPTL, build the static core gcc.
47 # In any other case, do nothing.
48 case "${CT_BARE_METAL},${CT_THREADS}" in
49 y,*) do_cc_core mode=baremetal build_libgcc=yes;;
50 ,nptl) do_cc_core mode=static build_libgcc=no;;
57 # In case we're building for bare metal, do nothing, we already have
59 # In case we're NPTL, build the shared core gcc and the target libgcc.
60 # In any other case, build the static core gcc and, if using gcc-4.3+,
61 # also build the target libgcc.
62 case "${CT_BARE_METAL},${CT_THREADS}" in
65 do_cc_core mode=shared build_libgcc=yes
67 *) if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
68 do_cc_core mode=static build_libgcc=yes
70 do_cc_core mode=static build_libgcc=no
76 #------------------------------------------------------------------------------
78 # This function is used to build both the static and the shared core C conpiler,
79 # with or without the target libgcc. We need to know wether:
80 # - we're building static, shared or bare metal: mode=[static|shared|baremetal]
81 # - we need to build libgcc or not : build_libgcc=[yes|no]
82 # Usage: do_cc_core_static mode=[static|shared|baremetal] build_libgcc=[yes|no]
92 CT_TestOrAbort "Internal Error: 'mode' must either 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'" "${mode}" = "static" -o "${mode}" = "shared" -o "${mode}" = "baremetal"
93 CT_TestOrAbort "Internal Error: 'build_libgcc' must be either 'yes' or 'no', not '${build_libgcc:-(empty)}'" "${build_libgcc}" = "yes" -o "${build_libgcc}" = "no"
94 # In normal conditions, ( "${mode}" = "shared" ) implies
95 # ( "${build_libgcc}" = "yes" ), but I won't check for that
97 CT_DoStep INFO "Installing ${mode} core C compiler"
98 mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}"
99 cd "${CT_BUILD_DIR}/build-cc-core-${mode}"
104 core_prefix_dir="${CT_CC_CORE_STATIC_PREFIX_DIR}"
105 extra_config="${extra_config} --with-newlib --enable-threads=no --disable-shared"
109 core_prefix_dir="${CT_CC_CORE_SHARED_PREFIX_DIR}"
110 extra_config="${extra_config} --enable-shared"
114 core_prefix_dir="${CT_PREFIX_DIR}"
115 extra_config="${extra_config} --with-newlib --enable-threads=no --disable-shared"
116 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
121 if [ "${copy_headers}" = "y" ]; then
122 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
123 CT_DoExecLog ALL mkdir -p "${core_prefix_dir}/${CT_TARGET}/include"
124 CT_DoExecLog ALL cp -r "${CT_HEADERS_DIR}"/* "${core_prefix_dir}/${CT_TARGET}/include"
127 CT_DoLog EXTRA "Configuring ${mode} core C compiler"
129 extra_config="${extra_config} ${CT_ARCH_WITH_ARCH}"
130 extra_config="${extra_config} ${CT_ARCH_WITH_ABI}"
131 extra_config="${extra_config} ${CT_ARCH_WITH_CPU}"
132 extra_config="${extra_config} ${CT_ARCH_WITH_TUNE}"
133 extra_config="${extra_config} ${CT_ARCH_WITH_FPU}"
134 extra_config="${extra_config} ${CT_ARCH_WITH_FLOAT}"
135 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
136 extra_config="${extra_config} --enable-__cxa_atexit"
138 extra_config="${extra_config} --disable-__cxa_atexit"
140 if [ "${CT_GMP_MPFR}" = "y" ]; then
141 extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR}"
142 extra_config="${extra_config} --with-mpfr=${CT_PREFIX_DIR}"
144 if [ "${CT_PPL_CLOOG_MPC}" = "y" ]; then
145 extra_config="${extra_config} --with-ppl=${CT_PREFIX_DIR}"
146 extra_config="${extra_config} --with-cloog=${CT_PREFIX_DIR}"
147 extra_config="${extra_config} --with-mpc=${CT_PREFIX_DIR}"
150 CT_DoLog DEBUG "Extra config passed: '${extra_config}'"
152 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
153 CC_FOR_BUILD="${CT_BUILD}-gcc" \
154 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
156 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
157 --build=${CT_BUILD} \
159 --target=${CT_TARGET} \
160 --prefix="${core_prefix_dir}" \
161 --with-local-prefix="${CT_SYSROOT_DIR}" \
163 ${CC_CORE_SYSROOT_ARG} \
166 --enable-symvers=gnu \
167 --enable-languages="${lang_opt}" \
168 --enable-target-optspace \
169 ${CT_CC_CORE_EXTRA_CONFIG}
171 if [ "${build_libgcc}" = "yes" ]; then
172 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
173 # gcc/config/t-libunwind so -lc is removed from the link for
174 # libgcc_s.so, as we do not have a target -lc yet.
175 # This is not as ugly as it appears to be ;-) All symbols get resolved
176 # during the glibc build, and we provide a proper libgcc_s.so for the
177 # cross toolchain during the final gcc build.
179 # As we cannot modify the source tree, nor override SHLIB_LC itself
180 # during configure or make, we have to edit the resultant
181 # gcc/libgcc.mk itself to remove -lc from the link.
182 # This causes us to have to jump through some hoops...
184 # To produce libgcc.mk to edit we firstly require libiberty.a,
185 # so we configure then build it.
186 # Next we have to configure gcc, create libgcc.mk then edit it...
187 # So much easier if we just edit the source tree, but hey...
188 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
189 CT_DoExecLog ALL make configure-libiberty
190 CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libiberty libiberty.a
191 CT_DoExecLog ALL make configure-gcc configure-libcpp
192 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp
194 CT_DoExecLog ALL make configure-gcc configure-libcpp configure-build-libiberty
195 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp all-build-libiberty
197 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
198 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
199 CT_DoExecLog ALL make configure-libdecnumber
200 CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libdecnumber libdecnumber.a
203 # Starting with GCC 4.3, libgcc.mk is no longer built,
204 # and libgcc.mvars is used instead.
206 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
207 libgcc_rule="libgcc.mvars"
208 build_rules="all-gcc all-target-libgcc"
209 install_rules="install-gcc install-target-libgcc"
211 libgcc_rule="libgcc.mk"
212 build_rules="all-gcc"
213 install_rules="install-gcc"
216 CT_DoExecLog ALL make ${PARALLELMFLAGS} -C gcc ${libgcc_rule}
217 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
219 build_rules="all-gcc"
220 install_rules="install-gcc"
223 if [ "${CT_CANADIAN}" = "y" ]; then
224 CT_DoLog EXTRA "Building libiberty"
225 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty
228 CT_DoLog EXTRA "Building ${mode} core C compiler"
229 CT_DoExecLog ALL make ${PARALLELMFLAGS} ${build_rules}
231 CT_DoLog EXTRA "Installing ${mode} core C compiler"
232 CT_DoExecLog ALL make ${install_rules}
234 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
235 # to call the C compiler with the same, somewhat canonical name.
236 CT_DoExecLog ALL ln -sv "${CT_TARGET}"-gcc "${core_prefix_dir}/bin/${CT_TARGET}"-cc
241 #------------------------------------------------------------------------------
244 # If building for bare metal, nothing to be done here, the static core conpiler is enough!
245 [ "${CT_BARE_METAL}" = "y" ] && return 0
247 CT_DoStep INFO "Installing final compiler"
249 mkdir -p "${CT_BUILD_DIR}/build-cc"
250 cd "${CT_BUILD_DIR}/build-cc"
252 CT_DoLog EXTRA "Configuring final compiler"
254 # Enable selected languages
256 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
257 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_opt="${lang_opt},fortran"
258 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_opt="${lang_opt},ada"
259 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_opt="${lang_opt},java"
260 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_opt="${lang_opt},objc"
261 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_opt="${lang_opt},obj-c++"
262 CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
263 CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
264 CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
265 CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
266 lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')
268 extra_config="--enable-languages=${lang_opt}"
269 extra_config="${extra_config} --disable-multilib"
270 extra_config="${extra_config} ${CT_ARCH_WITH_ARCH}"
271 extra_config="${extra_config} ${CT_ARCH_WITH_ABI}"
272 extra_config="${extra_config} ${CT_ARCH_WITH_CPU}"
273 extra_config="${extra_config} ${CT_ARCH_WITH_TUNE}"
274 extra_config="${extra_config} ${CT_ARCH_WITH_FPU}"
275 extra_config="${extra_config} ${CT_ARCH_WITH_FLOAT}"
276 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config="${extra_config} --disable-shared"
277 [ -n "${CT_CC_PKGVERSION}" ] && extra_config="${extra_config} --with-pkgversion=${CT_CC_PKGVERSION}"
278 [ -n "${CT_CC_BUGURL}" ] && extra_config="${extra_config} --with-bugurl=${CT_CC_BUGURL}"
279 [ "${CT_CC_SJLJ_EXCEPTIONS_USE}" = "y" ] && extra_config="${extra_config} --enable-sjlj-exceptions"
280 [ "${CT_CC_SJLJ_EXCEPTIONS_DONT_USE}" = "y" ] && extra_config="${extra_config} --disable-sjlj-exceptions"
281 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
282 extra_config="${extra_config} --enable-__cxa_atexit"
284 extra_config="${extra_config} --disable-__cxa_atexit"
286 if [ "${CT_GMP_MPFR}" = "y" ]; then
287 extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR}"
288 extra_config="${extra_config} --with-mpfr=${CT_PREFIX_DIR}"
290 if [ "${CT_PPL_CLOOG_MPC}" = "y" ]; then
291 extra_config="${extra_config} --with-ppl=${CT_PREFIX_DIR}"
292 extra_config="${extra_config} --with-cloog=${CT_PREFIX_DIR}"
293 extra_config="${extra_config} --with-mpc=${CT_PREFIX_DIR}"
296 CT_DoLog DEBUG "Extra config passed: '${extra_config}'"
298 # --enable-symvers=gnu really only needed for sh4 to work around a
299 # detection problem only matters for gcc-3.2.x and later, I think.
300 # --disable-nls to work around crash bug on ppc405, but also because
301 # embedded systems don't really need message catalogs...
302 CC_FOR_BUILD="${CT_BUILD}-gcc" \
303 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
304 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
305 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
306 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
308 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
309 --build=${CT_BUILD} \
311 --target=${CT_TARGET} \
312 --prefix="${CT_PREFIX_DIR}" \
315 --with-local-prefix="${CT_SYSROOT_DIR}" \
317 --enable-threads=posix \
318 --enable-symvers=gnu \
321 --enable-target-optspace \
322 ${CT_CC_EXTRA_CONFIG}
324 if [ "${CT_CANADIAN}" = "y" ]; then
325 CT_DoLog EXTRA "Building libiberty"
326 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty
329 CT_DoLog EXTRA "Building final compiler"
330 CT_DoExecLog ALL make ${PARALLELMFLAGS} all
332 CT_DoLog EXTRA "Installing final compiler"
333 CT_DoExecLog ALL make install
335 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
336 # to call the C compiler with the same, somewhat canonical name.
337 CT_DoExecLog ALL ln -sv "${CT_TARGET}"-gcc "${CT_PREFIX_DIR}/bin/${CT_TARGET}"-cc