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-${CT_CC_VERSION}/ecj.jar"
41 #------------------------------------------------------------------------------
44 # If we're building a canadian compiler no use to build the CC
45 # core compiler, we're not using it
46 [ -n "${CT_CANADIAN}" ] && return 0
48 # If we're building for bare metal, build the static core gcc,
50 # In case we're not bare metal, and we're NPTL, build the static core gcc.
51 # In any other case, do nothing.
52 case "${CT_BARE_METAL},${CT_THREADS}" in
53 y,*) do_cc_core mode=baremetal build_libgcc=yes;;
54 ,nptl) do_cc_core mode=static build_libgcc=no;;
61 # If we're building a canadian compiler no use to build the CC
62 # core compiler, we're not using it
63 [ -n "${CT_CANADIAN}" ] && return 0
65 # In case we're building for bare metal, do nothing, we already have
67 # In case we're NPTL, build the shared core gcc and the target libgcc.
68 # In any other case, build the static core gcc and, if using gcc-4.3+,
69 # also build the target libgcc.
70 case "${CT_BARE_METAL},${CT_THREADS}" in
73 do_cc_core mode=shared build_libgcc=yes
75 *) if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
76 do_cc_core mode=static build_libgcc=yes
78 do_cc_core mode=static build_libgcc=no
84 #------------------------------------------------------------------------------
86 # This function is used to build both the static and the shared core C conpiler,
87 # with or without the target libgcc. We need to know wether:
88 # - we're building static, shared or bare metal: mode=[static|shared|baremetal]
89 # - we need to build libgcc or not : build_libgcc=[yes|no]
90 # Usage: do_cc_core_static mode=[static|shared|baremetal] build_libgcc=[yes|no]
101 CT_TestOrAbort "Internal Error: 'mode' must either 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'" "${mode}" = "static" -o "${mode}" = "shared" -o "${mode}" = "baremetal"
102 CT_TestOrAbort "Internal Error: 'build_libgcc' must be either 'yes' or 'no', not '${build_libgcc:-(empty)}'" "${build_libgcc}" = "yes" -o "${build_libgcc}" = "no"
103 # In normal conditions, ( "${mode}" = "shared" ) implies
104 # ( "${build_libgcc}" = "yes" ), but I won't check for that
106 CT_DoStep INFO "Installing ${mode} core C compiler"
107 mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}"
108 cd "${CT_BUILD_DIR}/build-cc-core-${mode}"
113 core_prefix_dir="${CT_CC_CORE_STATIC_PREFIX_DIR}"
114 extra_config+=("--with-newlib")
115 extra_config+=("--enable-threads=no")
116 extra_config+=("--disable-shared")
120 core_prefix_dir="${CT_CC_CORE_SHARED_PREFIX_DIR}"
121 extra_config+=("--enable-shared")
125 core_prefix_dir="${CT_PREFIX_DIR}"
126 extra_config+=("--with-newlib")
127 extra_config+=("--enable-threads=no")
128 extra_config+=("--disable-shared")
129 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
134 if [ "${copy_headers}" = "y" ]; then
135 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
136 CT_DoExecLog ALL mkdir -p "${core_prefix_dir}/${CT_TARGET}/include"
137 CT_DoExecLog ALL cp -r "${CT_HEADERS_DIR}"/* "${core_prefix_dir}/${CT_TARGET}/include"
140 CT_DoLog EXTRA "Configuring ${mode} core C compiler"
142 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
143 eval tmp="\${CT_ARCH_WITH_${tmp}}"
144 if [ -n "${tmp}" ]; then
145 extra_config+=("${tmp}")
148 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
149 extra_config+=("--enable-__cxa_atexit")
151 extra_config+=("--disable-__cxa_atexit")
153 if [ "${CT_GMP_MPFR}" = "y" ]; then
154 extra_config+=("--with-gmp=${CT_PREFIX_DIR}")
155 extra_config+=("--with-mpfr=${CT_PREFIX_DIR}")
157 if [ "${CT_PPL_CLOOG_MPC}" = "y" ]; then
158 extra_config+=("--with-ppl=${CT_PREFIX_DIR}")
159 extra_config+=("--with-cloog=${CT_PREFIX_DIR}")
160 extra_config+=("--with-mpc=${CT_PREFIX_DIR}")
163 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
165 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
166 CC_FOR_BUILD="${CT_BUILD}-gcc" \
167 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
169 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
170 --build=${CT_BUILD} \
172 --target=${CT_TARGET} \
173 --prefix="${core_prefix_dir}" \
174 --with-local-prefix="${CT_SYSROOT_DIR}" \
176 ${CC_CORE_SYSROOT_ARG} \
177 "${extra_config[@]}" \
179 --enable-symvers=gnu \
180 --enable-languages="${lang_opt}" \
181 --enable-target-optspace \
182 ${CT_CC_CORE_EXTRA_CONFIG}
184 if [ "${build_libgcc}" = "yes" ]; then
185 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
186 # gcc/config/t-libunwind so -lc is removed from the link for
187 # libgcc_s.so, as we do not have a target -lc yet.
188 # This is not as ugly as it appears to be ;-) All symbols get resolved
189 # during the glibc build, and we provide a proper libgcc_s.so for the
190 # cross toolchain during the final gcc build.
192 # As we cannot modify the source tree, nor override SHLIB_LC itself
193 # during configure or make, we have to edit the resultant
194 # gcc/libgcc.mk itself to remove -lc from the link.
195 # This causes us to have to jump through some hoops...
197 # To produce libgcc.mk to edit we firstly require libiberty.a,
198 # so we configure then build it.
199 # Next we have to configure gcc, create libgcc.mk then edit it...
200 # So much easier if we just edit the source tree, but hey...
201 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
202 CT_DoExecLog ALL make configure-libiberty
203 CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libiberty libiberty.a
204 CT_DoExecLog ALL make configure-gcc configure-libcpp
205 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp
207 CT_DoExecLog ALL make configure-gcc configure-libcpp configure-build-libiberty
208 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp all-build-libiberty
210 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
211 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
212 CT_DoExecLog ALL make configure-libdecnumber
213 CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libdecnumber libdecnumber.a
216 # Starting with GCC 4.3, libgcc.mk is no longer built,
217 # and libgcc.mvars is used instead.
219 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
220 libgcc_rule="libgcc.mvars"
221 build_rules="all-gcc all-target-libgcc"
222 install_rules="install-gcc install-target-libgcc"
224 libgcc_rule="libgcc.mk"
225 build_rules="all-gcc"
226 install_rules="install-gcc"
229 CT_DoExecLog ALL make ${PARALLELMFLAGS} -C gcc ${libgcc_rule}
230 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
232 build_rules="all-gcc"
233 install_rules="install-gcc"
236 if [ "${CT_CANADIAN}" = "y" ]; then
237 CT_DoLog EXTRA "Building libiberty"
238 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty
241 CT_DoLog EXTRA "Building ${mode} core C compiler"
242 CT_DoExecLog ALL make ${PARALLELMFLAGS} ${build_rules}
244 CT_DoLog EXTRA "Installing ${mode} core C compiler"
245 CT_DoExecLog ALL make ${install_rules}
247 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
248 # to call the C compiler with the same, somewhat canonical name.
249 CT_DoExecLog ALL ln -sv "${CT_TARGET}"-gcc "${core_prefix_dir}/bin/${CT_TARGET}"-cc
254 #------------------------------------------------------------------------------
257 local -a extra_config
260 # If building for bare metal, nothing to be done here, the static core conpiler is enough!
261 [ "${CT_BARE_METAL}" = "y" ] && return 0
263 CT_DoStep INFO "Installing final compiler"
265 mkdir -p "${CT_BUILD_DIR}/build-cc"
266 cd "${CT_BUILD_DIR}/build-cc"
268 CT_DoLog EXTRA "Configuring final compiler"
270 # Enable selected languages
272 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
273 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_opt="${lang_opt},fortran"
274 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_opt="${lang_opt},ada"
275 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_opt="${lang_opt},java"
276 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_opt="${lang_opt},objc"
277 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_opt="${lang_opt},obj-c++"
278 CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
279 CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
280 CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
281 CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
282 lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')
284 extra_config+=("--enable-languages=${lang_opt}")
285 extra_config+=("--disable-multilib")
286 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
287 eval tmp="\${CT_ARCH_WITH_${tmp}}"
288 if [ -n "${tmp}" ]; then
289 extra_config+=("${tmp}")
293 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
294 [ -n "${CT_CC_PKGVERSION}" ] && extra_config+=("--with-pkgversion=${CT_CC_PKGVERSION}")
295 [ -n "${CT_CC_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_CC_BUGURL}")
296 [ "${CT_CC_SJLJ_EXCEPTIONS_USE}" = "y" ] && extra_config+=("--enable-sjlj-exceptions")
297 [ "${CT_CC_SJLJ_EXCEPTIONS_DONT_USE}" = "y" ] && extra_config+=("--disable-sjlj-exceptions")
298 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
299 extra_config+=("--enable-__cxa_atexit")
301 extra_config+=("--disable-__cxa_atexit")
303 if [ "${CT_GMP_MPFR}" = "y" ]; then
304 extra_config+=("--with-gmp=${CT_PREFIX_DIR}")
305 extra_config+=("--with-mpfr=${CT_PREFIX_DIR}")
307 if [ "${CT_PPL_CLOOG_MPC}" = "y" ]; then
308 extra_config+=("--with-ppl=${CT_PREFIX_DIR}")
309 extra_config+=("--with-cloog=${CT_PREFIX_DIR}")
310 extra_config+=("--with-mpc=${CT_PREFIX_DIR}")
312 if [ -n "${CC_ENABLE_CXX_FLAGS}" ]; then
313 extra_config+=("--enable-cxx-flags=${CC_ENABLE_CXX_FLAGS}")
316 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
318 # --enable-symvers=gnu really only needed for sh4 to work around a
319 # detection problem only matters for gcc-3.2.x and later, I think.
320 # --disable-nls to work around crash bug on ppc405, but also because
321 # embedded systems don't really need message catalogs...
322 CC_FOR_BUILD="${CT_BUILD}-gcc" \
323 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
324 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
325 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
326 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
328 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
329 --build=${CT_BUILD} \
331 --target=${CT_TARGET} \
332 --prefix="${CT_PREFIX_DIR}" \
334 "${extra_config[@]}" \
335 --with-local-prefix="${CT_SYSROOT_DIR}" \
337 --enable-threads=posix \
338 --enable-symvers=gnu \
341 --enable-target-optspace \
342 ${CT_CC_EXTRA_CONFIG}
344 if [ "${CT_CANADIAN}" = "y" ]; then
345 CT_DoLog EXTRA "Building libiberty"
346 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty
349 CT_DoLog EXTRA "Building final compiler"
350 CT_DoExecLog ALL make ${PARALLELMFLAGS} all
352 CT_DoLog EXTRA "Installing final compiler"
353 CT_DoExecLog ALL make install
355 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
356 # to call the C compiler with the same, somewhat canonical name.
357 CT_DoExecLog ALL ln -sv "${CT_TARGET}"-gcc "${CT_PREFIX_DIR}/bin/${CT_TARGET}"-cc