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 [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
149 extra_config+=("--enable-__cxa_atexit")
151 extra_config+=("--disable-__cxa_atexit")
153 [ -z "${CT_GMP}" ] || extra_config+=("--with-gmp=${CT_PREFIX_DIR}")
154 [ -z "${CT_MPFR}" ] || extra_config+=("--with-mpfr=${CT_PREFIX_DIR}")
155 [ -z "${CT_PPL}" ] || extra_config+=("--with-ppl=${CT_PREFIX_DIR}")
156 [ -z "${CT_CLOOG}" ] || extra_config+=("--with-cloog=${CT_PREFIX_DIR}")
157 [ -z "${CT_MPC}" ] || extra_config+=("--with-mpc=${CT_PREFIX_DIR}")
159 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
161 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
162 CC_FOR_BUILD="${CT_BUILD}-gcc" \
163 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
165 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
166 --build=${CT_BUILD} \
168 --target=${CT_TARGET} \
169 --prefix="${core_prefix_dir}" \
170 --with-local-prefix="${CT_SYSROOT_DIR}" \
172 ${CC_CORE_SYSROOT_ARG} \
173 "${extra_config[@]}" \
175 --enable-symvers=gnu \
176 --enable-languages="${lang_opt}" \
177 --enable-target-optspace \
178 ${CT_CC_CORE_EXTRA_CONFIG}
180 if [ "${build_libgcc}" = "yes" ]; then
181 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
182 # gcc/config/t-libunwind so -lc is removed from the link for
183 # libgcc_s.so, as we do not have a target -lc yet.
184 # This is not as ugly as it appears to be ;-) All symbols get resolved
185 # during the glibc build, and we provide a proper libgcc_s.so for the
186 # cross toolchain during the final gcc build.
188 # As we cannot modify the source tree, nor override SHLIB_LC itself
189 # during configure or make, we have to edit the resultant
190 # gcc/libgcc.mk itself to remove -lc from the link.
191 # This causes us to have to jump through some hoops...
193 # To produce libgcc.mk to edit we firstly require libiberty.a,
194 # so we configure then build it.
195 # Next we have to configure gcc, create libgcc.mk then edit it...
196 # So much easier if we just edit the source tree, but hey...
197 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
198 CT_DoExecLog ALL make configure-libiberty
199 CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libiberty libiberty.a
200 CT_DoExecLog ALL make configure-gcc configure-libcpp
201 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp
203 CT_DoExecLog ALL make configure-gcc configure-libcpp configure-build-libiberty
204 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp all-build-libiberty
206 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
207 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
208 CT_DoExecLog ALL make configure-libdecnumber
209 CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libdecnumber libdecnumber.a
212 # Starting with GCC 4.3, libgcc.mk is no longer built,
213 # and libgcc.mvars is used instead.
215 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
216 libgcc_rule="libgcc.mvars"
217 build_rules="all-gcc all-target-libgcc"
218 install_rules="install-gcc install-target-libgcc"
220 libgcc_rule="libgcc.mk"
221 build_rules="all-gcc"
222 install_rules="install-gcc"
225 CT_DoExecLog ALL make ${PARALLELMFLAGS} -C gcc ${libgcc_rule}
226 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
228 build_rules="all-gcc"
229 install_rules="install-gcc"
232 if [ "${CT_CANADIAN}" = "y" ]; then
233 CT_DoLog EXTRA "Building libiberty"
234 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty
237 CT_DoLog EXTRA "Building ${mode} core C compiler"
238 CT_DoExecLog ALL make ${PARALLELMFLAGS} ${build_rules}
240 CT_DoLog EXTRA "Installing ${mode} core C compiler"
241 CT_DoExecLog ALL make ${install_rules}
243 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
244 # to call the C compiler with the same, somewhat canonical name.
245 CT_DoExecLog ALL ln -sv "${CT_TARGET}"-gcc "${core_prefix_dir}/bin/${CT_TARGET}"-cc
250 #------------------------------------------------------------------------------
253 local -a extra_config
256 # If building for bare metal, nothing to be done here, the static core conpiler is enough!
257 [ "${CT_BARE_METAL}" = "y" ] && return 0
259 CT_DoStep INFO "Installing final compiler"
261 mkdir -p "${CT_BUILD_DIR}/build-cc"
262 cd "${CT_BUILD_DIR}/build-cc"
264 CT_DoLog EXTRA "Configuring final compiler"
266 # Enable selected languages
268 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
269 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_opt="${lang_opt},fortran"
270 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_opt="${lang_opt},ada"
271 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_opt="${lang_opt},java"
272 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_opt="${lang_opt},objc"
273 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_opt="${lang_opt},obj-c++"
274 CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
275 CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
276 CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
277 CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
278 lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')
280 extra_config+=("--enable-languages=${lang_opt}")
281 extra_config+=("--disable-multilib")
282 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
283 eval tmp="\${CT_ARCH_WITH_${tmp}}"
284 if [ -n "${tmp}" ]; then
285 extra_config+=("${tmp}")
289 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
290 [ -n "${CT_CC_PKGVERSION}" ] && extra_config+=("--with-pkgversion=${CT_CC_PKGVERSION}")
291 [ -n "${CT_CC_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_CC_BUGURL}")
292 [ "${CT_CC_SJLJ_EXCEPTIONS_USE}" = "y" ] && extra_config+=("--enable-sjlj-exceptions")
293 [ "${CT_CC_SJLJ_EXCEPTIONS_DONT_USE}" = "y" ] && extra_config+=("--disable-sjlj-exceptions")
294 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
295 extra_config+=("--enable-__cxa_atexit")
297 extra_config+=("--disable-__cxa_atexit")
299 if [ -n "${CC_ENABLE_CXX_FLAGS}" ]; then
300 extra_config+=("--enable-cxx-flags=${CC_ENABLE_CXX_FLAGS}")
302 [ -z "${CT_GMP}" ] || extra_config+=("--with-gmp=${CT_PREFIX_DIR}")
303 [ -z "${CT_MPFR}" ] || extra_config+=("--with-mpfr=${CT_PREFIX_DIR}")
304 [ -z "${CT_PPL}" ] || extra_config+=("--with-ppl=${CT_PREFIX_DIR}")
305 [ -z "${CT_CLOOG}" ] || extra_config+=("--with-cloog=${CT_PREFIX_DIR}")
306 [ -z "${CT_MPC}" ] || extra_config+=("--with-mpc=${CT_PREFIX_DIR}")
308 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
310 # --enable-symvers=gnu really only needed for sh4 to work around a
311 # detection problem only matters for gcc-3.2.x and later, I think.
312 # --disable-nls to work around crash bug on ppc405, but also because
313 # embedded systems don't really need message catalogs...
314 CC_FOR_BUILD="${CT_BUILD}-gcc" \
315 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
316 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
317 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
318 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
320 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
321 --build=${CT_BUILD} \
323 --target=${CT_TARGET} \
324 --prefix="${CT_PREFIX_DIR}" \
326 "${extra_config[@]}" \
327 --with-local-prefix="${CT_SYSROOT_DIR}" \
329 --enable-threads=posix \
330 --enable-symvers=gnu \
333 --enable-target-optspace \
334 ${CT_CC_EXTRA_CONFIG}
336 if [ "${CT_CANADIAN}" = "y" ]; then
337 CT_DoLog EXTRA "Building libiberty"
338 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty
341 CT_DoLog EXTRA "Building final compiler"
342 CT_DoExecLog ALL make ${PARALLELMFLAGS} all
344 CT_DoLog EXTRA "Installing final compiler"
345 CT_DoExecLog ALL make install
347 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
348 # to call the C compiler with the same, somewhat canonical name.
349 CT_DoExecLog ALL ln -sv "${CT_TARGET}"-gcc "${CT_PREFIX_DIR}/bin/${CT_TARGET}"-cc