Enable C++ for baremetal.
/trunk/scripts/build/cc/gcc.sh | 7 5 2 0 +++++--
/trunk/config/cc.in | 8 2 6 0 ++------
2 files changed, 7 insertions(+), 8 deletions(-)
1 # This file adds the function to build the gcc C compiler
3 # Copyright 2007 Yann E. MORIN
4 # Licensed under the GPL v2. See COPYING in the root of this package
7 [ "${CT_CC}" = "gcc" ] || return 0
8 echo "gcc-${CT_CC_VERSION}"
13 # Ah! gcc folks are kind of 'different': they store the tarballs in
14 # subdirectories of the same name! That's because gcc is such /crap/ that
15 # it is such /big/ that it needs being splitted for distribution! Sad. :-(
16 # Arrgghh! Some of those versions does not follow this convention:
17 # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a
18 # subdirectory! You bastard!
19 CT_GetFile "${CT_CC_FILE}" \
20 {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/${CT_CC_FILE}}
25 CT_ExtractAndPatch "${CT_CC_FILE}"
28 #------------------------------------------------------------------------------
31 # If we're building for bare metal, build the static core gcc,
33 # In case we're not bare metal, and we're NPTL, build the static core gcc.
34 # In any other case, do nothing.
35 case "${CT_BARE_METAL},${CT_THREADS}" in
36 y,*) do_cc_core mode=baremetal build_libgcc=yes;;
37 ,nptl) do_cc_core mode=static build_libgcc=no;;
44 # In case we're building for bare metal, do nothing, we already have
46 # In case we're NPTL, build the shared core gcc and the target libgcc.
47 # In any other case, build the static core gcc and, if using gcc-4.3+,
48 # also build the target libgcc.
49 case "${CT_BARE_METAL},${CT_THREADS}" in
52 do_cc_core mode=shared build_libgcc=yes
54 *) if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
55 do_cc_core mode=static build_libgcc=yes
57 do_cc_core mode=static build_libgcc=no
63 #------------------------------------------------------------------------------
65 # This function is used to build both the static and the shared core C conpiler,
66 # with or without the target libgcc. We need to know wether:
67 # - we're building static, shared or bare metal: mode=[static|shared|baremetal]
68 # - we need to build libgcc or not : build_libgcc=[yes|no]
69 # Usage: do_cc_core_static mode=[static|shared|baremetal] build_libgcc=[yes|no]
79 CT_TestOrAbort "Internal Error: 'mode' must either 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'" "${mode}" = "static" -o "${mode}" = "shared" -o "${mode}" = "baremetal"
80 CT_TestOrAbort "Internal Error: 'build_libgcc' must be either 'yes' or 'no', not '${build_libgcc:-(empty)}'" "${build_libgcc}" = "yes" -o "${build_libgcc}" = "no"
81 # In normal conditions, ( "${mode}" = "shared" ) implies
82 # ( "${build_libgcc}" = "yes" ), but I won't check for that
84 CT_DoStep INFO "Installing ${mode} core C compiler"
85 mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}"
86 cd "${CT_BUILD_DIR}/build-cc-core-${mode}"
91 core_prefix_dir="${CT_CC_CORE_STATIC_PREFIX_DIR}"
92 extra_config="${extra_config} --with-newlib --enable-threads=no --disable-shared"
96 core_prefix_dir="${CT_CC_CORE_SHARED_PREFIX_DIR}"
97 extra_config="${extra_config} --enable-shared"
101 core_prefix_dir="${CT_PREFIX_DIR}"
102 extra_config="${extra_config} --with-newlib --enable-threads=no --disable-shared"
103 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
108 if [ "${copy_headers}" = "y" ]; then
109 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
110 CT_DoExecLog ALL mkdir -p "${core_prefix_dir}/${CT_TARGET}/include"
111 CT_DoExecLog ALL cp -r "${CT_HEADERS_DIR}"/* "${core_prefix_dir}/${CT_TARGET}/include"
114 CT_DoLog EXTRA "Configuring ${mode} core C compiler"
116 extra_config="${extra_config} ${CT_ARCH_WITH_ARCH}"
117 extra_config="${extra_config} ${CT_ARCH_WITH_ABI}"
118 extra_config="${extra_config} ${CT_ARCH_WITH_CPU}"
119 extra_config="${extra_config} ${CT_ARCH_WITH_TUNE}"
120 extra_config="${extra_config} ${CT_ARCH_WITH_FPU}"
121 extra_config="${extra_config} ${CT_ARCH_WITH_FLOAT}"
122 [ "${CT_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"
123 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
124 extra_config="${extra_config} --enable-__cxa_atexit"
126 extra_config="${extra_config} --disable-__cxa_atexit"
129 CT_DoLog DEBUG "Extra config passed: '${extra_config}'"
131 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
132 CC_FOR_BUILD="${CT_BUILD}-gcc" \
133 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
135 "${CT_SRC_DIR}/${CT_CC_FILE}/configure" \
136 --build=${CT_BUILD} \
138 --target=${CT_TARGET} \
139 --prefix="${core_prefix_dir}" \
140 --with-local-prefix="${CT_SYSROOT_DIR}" \
142 ${CC_CORE_SYSROOT_ARG} \
145 --enable-symvers=gnu \
146 --enable-languages="${lang_opt}" \
147 --enable-target-optspace \
148 ${CT_CC_CORE_EXTRA_CONFIG}
150 if [ "${build_libgcc}" = "yes" ]; then
151 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
152 # gcc/config/t-libunwind so -lc is removed from the link for
153 # libgcc_s.so, as we do not have a target -lc yet.
154 # This is not as ugly as it appears to be ;-) All symbols get resolved
155 # during the glibc build, and we provide a proper libgcc_s.so for the
156 # cross toolchain during the final gcc build.
158 # As we cannot modify the source tree, nor override SHLIB_LC itself
159 # during configure or make, we have to edit the resultant
160 # gcc/libgcc.mk itself to remove -lc from the link.
161 # This causes us to have to jump through some hoops...
163 # To produce libgcc.mk to edit we firstly require libiberty.a,
164 # so we configure then build it.
165 # Next we have to configure gcc, create libgcc.mk then edit it...
166 # So much easier if we just edit the source tree, but hey...
167 if [ ! -f "${CT_SRC_DIR}/${CT_CC_FILE}/gcc/BASE-VER" ]; then
168 CT_DoExecLog ALL make configure-libiberty
169 CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libiberty libiberty.a
170 CT_DoExecLog ALL make configure-gcc configure-libcpp
171 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp
173 CT_DoExecLog ALL make configure-gcc configure-libcpp configure-build-libiberty
174 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-libcpp all-build-libiberty
176 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
177 if [ -d "${CT_SRC_DIR}/${CT_CC_FILE}/libdecnumber" ]; then
178 CT_DoExecLog ALL make configure-libdecnumber
179 CT_DoExecLog ALL make ${PARALLELMFLAGS} -C libdecnumber libdecnumber.a
182 # Starting with GCC 4.3, libgcc.mk is no longer built,
183 # and libgcc.mvars is used instead.
185 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
186 libgcc_rule="libgcc.mvars"
187 build_rules="all-gcc all-target-libgcc"
188 install_rules="install-gcc install-target-libgcc"
190 libgcc_rule="libgcc.mk"
191 build_rules="all-gcc"
192 install_rules="install-gcc"
195 CT_DoExecLog ALL make ${PARALLELMFLAGS} -C gcc ${libgcc_rule}
196 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
198 build_rules="all-gcc"
199 install_rules="install-gcc"
202 if [ "${CT_CANADIAN}" = "y" ]; then
203 CT_DoLog EXTRA "Building libiberty"
204 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty
207 CT_DoLog EXTRA "Building ${mode} core C compiler"
208 CT_DoExecLog ALL make ${PARALLELMFLAGS} ${build_rules}
210 CT_DoLog EXTRA "Installing ${mode} core C compiler"
211 CT_DoExecLog ALL make ${install_rules}
216 #------------------------------------------------------------------------------
219 # If building for bare metal, nothing to be done here, the static core conpiler is enough!
220 [ "${CT_BARE_METAL}" = "y" ] && return 0
222 CT_DoStep INFO "Installing final compiler"
224 mkdir -p "${CT_BUILD_DIR}/build-cc"
225 cd "${CT_BUILD_DIR}/build-cc"
227 CT_DoLog EXTRA "Configuring final compiler"
229 # Enable selected languages
231 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
232 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_opt="${lang_opt},fortran"
233 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_opt="${lang_opt},ada"
234 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_opt="${lang_opt},java"
235 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_opt="${lang_opt},objc"
236 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_opt="${lang_opt},obj-c++"
237 CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
238 CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
239 CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
240 CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
241 lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')
243 extra_config="--enable-languages=${lang_opt}"
244 extra_config="${extra_config} --disable-multilib"
245 extra_config="${extra_config} ${CT_ARCH_WITH_ARCH}"
246 extra_config="${extra_config} ${CT_ARCH_WITH_ABI}"
247 extra_config="${extra_config} ${CT_ARCH_WITH_CPU}"
248 extra_config="${extra_config} ${CT_ARCH_WITH_TUNE}"
249 extra_config="${extra_config} ${CT_ARCH_WITH_FPU}"
250 extra_config="${extra_config} ${CT_ARCH_WITH_FLOAT}"
251 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config="${extra_config} --disable-shared"
252 [ "${CT_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"
253 [ -n "${CT_CC_PKGVERSION}" ] && extra_config="${extra_config} --with-pkgversion=${CT_CC_PKGVERSION}"
254 [ -n "${CT_CC_BUGURL}" ] && extra_config="${extra_config} --with-bugurl=${CT_CC_BUGURL}"
255 [ "${CT_CC_SJLJ_EXCEPTIONS_USE}" = "y" ] && extra_config="${extra_config} --enable-sjlj-exceptions"
256 [ "${CT_CC_SJLJ_EXCEPTIONS_DONT_USE}" = "y" ] && extra_config="${extra_config} --disable-sjlj-exceptions"
257 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
258 extra_config="${extra_config} --enable-__cxa_atexit"
260 extra_config="${extra_config} --disable-__cxa_atexit"
263 CT_DoLog DEBUG "Extra config passed: '${extra_config}'"
265 # --enable-symvers=gnu really only needed for sh4 to work around a
266 # detection problem only matters for gcc-3.2.x and later, I think.
267 # --disable-nls to work around crash bug on ppc405, but also because
268 # embedded systems don't really need message catalogs...
269 CC_FOR_BUILD="${CT_BUILD}-gcc" \
270 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
271 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
272 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
273 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
275 "${CT_SRC_DIR}/${CT_CC_FILE}/configure" \
276 --build=${CT_BUILD} \
278 --target=${CT_TARGET} \
279 --prefix="${CT_PREFIX_DIR}" \
282 --with-local-prefix="${CT_SYSROOT_DIR}" \
284 --enable-threads=posix \
285 --enable-symvers=gnu \
288 --enable-target-optspace \
289 ${CT_CC_EXTRA_CONFIG}
291 if [ "${CT_CANADIAN}" = "y" ]; then
292 CT_DoLog EXTRA "Building libiberty"
293 CT_DoExecLog ALL make ${PARALLELMFLAGS} all-build-libiberty
296 CT_DoLog EXTRA "Building final compiler"
297 CT_DoExecLog ALL make ${PARALLELMFLAGS} all
299 CT_DoLog EXTRA "Installing final compiler"
300 CT_DoExecLog ALL make install
302 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
303 # to call the C compiler with the same, somewhat canonical name.
304 CT_DoExecLog ALL ln -sv "${CT_TARGET}"-gcc "${CT_PREFIX_DIR}/bin/${CT_TARGET}"-cc