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
6 [ "${CT_CC}" = "gcc" ] || return 0
7 echo "gcc-${CT_CC_VERSION}"
12 # Ah! gcc folks are kind of 'different': they store the tarballs in
13 # subdirectories of the same name! That's because gcc is such /crap/ that
14 # it is such /big/ that it needs being splitted for distribution! Sad. :-(
15 # Arrgghh! Some of those versions does not follow this convention:
16 # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a
17 # subdirectory! You bastard!
18 CT_GetFile "${CT_CC_FILE}" \
19 {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/${CT_CC_FILE}}
24 CT_ExtractAndPatch "${CT_CC_FILE}"
27 #------------------------------------------------------------------------------
30 # In case we're NPTL, build the static core gcc;
31 # in any other case, do nothing.
32 case "${CT_THREADS}" in
33 nptl) do_cc_core_static;;
39 # In case we're NPTL, build the shared core gcc,
40 # in any other case, build the static core gcc.
41 case "${CT_THREADS}" in
42 nptl) do_cc_core_shared;;
43 *) do_cc_core_static;;
47 #------------------------------------------------------------------------------
48 # Build static core gcc
50 mkdir -p "${CT_BUILD_DIR}/build-cc-core-static"
51 cd "${CT_BUILD_DIR}/build-cc-core-static"
53 CT_DoStep INFO "Installing static core C compiler"
55 CT_DoLog EXTRA "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
56 mkdir -p "${CT_CC_CORE_STATIC_PREFIX_DIR}/${CT_TARGET}/include"
57 cp -r "${CT_HEADERS_DIR}"/* "${CT_CC_CORE_STATIC_PREFIX_DIR}/${CT_TARGET}/include" 2>&1 |CT_DoLog DEBUG
59 CT_DoLog EXTRA "Configuring static core C compiler"
61 extra_config="${CT_ARCH_WITH_ARCH} ${CT_ARCH_WITH_ABI} ${CT_ARCH_WITH_CPU} ${CT_ARCH_WITH_TUNE} ${CT_ARCH_WITH_FPU} ${CT_ARCH_WITH_FLOAT}"
62 [ "${CT_CC_CXA_ATEXIT}" = "y" ] && extra_config="${extra_config} --enable-__cxa_atexit"
63 [ "${CT_CC_GCC_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"
65 CT_DoLog DEBUG "Extra config passed: \"${extra_config}\""
67 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
68 CC_FOR_BUILD="${CT_CC_NATIVE}" \
69 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
70 "${CT_SRC_DIR}/${CT_CC_FILE}/configure" \
73 --target=${CT_TARGET} \
74 --prefix="${CT_CC_CORE_STATIC_PREFIX_DIR}" \
75 --with-local-prefix="${CT_SYSROOT_DIR}" \
78 ${CC_CORE_SYSROOT_ARG} \
82 --enable-symvers=gnu \
83 --enable-languages=c \
85 --enable-target-optspace \
86 ${CT_CC_CORE_EXTRA_CONFIG} 2>&1 |CT_DoLog ALL
88 if [ "${CT_CANADIAN}" = "y" ]; then
89 CT_DoLog EXTRA "Building libiberty"
90 make ${PARALLELMFLAGS} all-build-libiberty 2>&1 |CT_DoLog ALL
93 CT_DoLog EXTRA "Building static core C compiler"
94 make ${PARALLELMFLAGS} all-gcc 2>&1 |CT_DoLog ALL
96 CT_DoLog EXTRA "Installing static core C compiler"
97 make install-gcc 2>&1 |CT_DoLog ALL
102 #------------------------------------------------------------------------------
103 # Build shared core gcc
104 do_cc_core_shared() {
105 mkdir -p "${CT_BUILD_DIR}/build-cc-core-shared"
106 cd "${CT_BUILD_DIR}/build-cc-core-shared"
108 CT_DoStep INFO "Installing shared core C compiler"
110 CT_DoLog EXTRA "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
111 mkdir -p "${CT_CC_CORE_SHARED_PREFIX_DIR}/${CT_TARGET}/include"
112 cp -r "${CT_HEADERS_DIR}"/* "${CT_CC_CORE_SHARED_PREFIX_DIR}/${CT_TARGET}/include" 2>&1 |CT_DoLog DEBUG
114 CT_DoLog EXTRA "Configuring shared core C compiler"
116 extra_config="${CT_ARCH_WITH_ARCH} ${CT_ARCH_WITH_ABI} ${CT_ARCH_WITH_CPU} ${CT_ARCH_WITH_TUNE} ${CT_ARCH_WITH_FPU} ${CT_ARCH_WITH_FLOAT}"
117 [ "${CT_CC_CXA_ATEXIT}" = "y" ] && extra_config="${extra_config} --enable-__cxa_atexit"
118 [ "${CT_CC_GCC_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"
120 CT_DoLog DEBUG "Extra config passed: \"${extra_config}\""
122 CC_FOR_BUILD="${CT_CC_NATIVE}" \
123 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
124 "${CT_SRC_DIR}/${CT_CC_FILE}/configure" \
126 --target=${CT_TARGET} \
128 --prefix="${CT_CC_CORE_SHARED_PREFIX_DIR}" \
129 --with-local-prefix="${CT_SYSROOT_DIR}" \
131 ${CC_CORE_SYSROOT_ARG} \
134 --enable-symvers=gnu \
135 --enable-languages=c \
137 --enable-target-optspace \
138 ${CT_CC_CORE_EXTRA_CONFIG} 2>&1 |CT_DoLog ALL
140 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
141 # gcc/config/t-libunwind so -lc is removed from the link for
142 # libgcc_s.so, as we do not have a target -lc yet.
143 # This is not as ugly as it appears to be ;-) All symbols get resolved
144 # during the glibc build, and we provide a proper libgcc_s.so for the
145 # cross toolchain during the final gcc build.
147 # As we cannot modify the source tree, nor override SHLIB_LC itself
148 # during configure or make, we have to edit the resultant
149 # gcc/libgcc.mk itself to remove -lc from the link.
150 # This causes us to have to jump through some hoops...
152 # To produce libgcc.mk to edit we firstly require libiberty.a,
153 # so we configure then build it.
154 # Next we have to configure gcc, create libgcc.mk then edit it...
155 # So much easier if we just edit the source tree, but hey...
156 if [ ! -f "${CT_SRC_DIR}/${CT_CC_FILE}/gcc/BASE-VER" ]; then
157 make configure-libiberty
158 make -C libiberty libiberty.a
160 make configure-libcpp
164 make configure-libcpp
165 make configure-build-libiberty
167 make all-build-libiberty
168 fi 2>&1 |CT_DoLog ALL
169 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
170 if [ -d "${CT_SRC_DIR}/${CT_CC_FILE}/libdecnumber" ]; then
171 make configure-libdecnumber
172 make -C libdecnumber libdecnumber.a
173 fi 2>&1 |CT_DoLog ALL
174 make -C gcc libgcc.mk 2>&1 |CT_DoLog ALL
175 sed -r -i -e 's@-lc@@g' gcc/libgcc.mk
177 if [ "${CT_CANADIAN}" = "y" ]; then
178 CT_DoLog EXTRA "Building libiberty"
179 make ${PARALLELMFLAGS} all-build-libiberty 2>&1 |CT_DoLog ALL
182 CT_DoLog EXTRA "Building shared core C compiler"
183 make ${PARALLELMFLAGS} all-gcc 2>&1 |CT_DoLog ALL
185 CT_DoLog EXTRA "Installing shared core C compiler"
186 make install-gcc 2>&1 |CT_DoLog ALL
191 #------------------------------------------------------------------------------
194 CT_DoStep INFO "Installing final compiler"
196 mkdir -p "${CT_BUILD_DIR}/build-cc"
197 cd "${CT_BUILD_DIR}/build-cc"
199 CT_DoLog EXTRA "Configuring final compiler"
201 # Enable selected languages
203 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
204 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_opt="${lang_opt},fortran"
205 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_opt="${lang_opt},ada"
206 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_opt="${lang_opt},java"
207 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_opt="${lang_opt},objc"
208 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_opt="${lang_opt},obj-c++"
209 CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
210 CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
211 CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
212 CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
213 lang_opt=`echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;'`
215 extra_config="--enable-languages=${lang_opt}"
216 extra_config="${extra_config} ${CT_ARCH_WITH_ARCH} ${CT_ARCH_WITH_ABI} ${CT_ARCH_WITH_CPU} ${CT_ARCH_WITH_TUNE} ${CT_ARCH_WITH_FPU} ${CT_ARCH_WITH_FLOAT}"
217 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config="${extra_config} --disable-shared"
218 [ "${CT_CC_CXA_ATEXIT}" == "y" ] && extra_config="${extra_config} --enable-__cxa_atexit"
219 if [ "${CT_TARGET_MULTILIB}" = "y" ]; then
220 extra_config="${extra_config} --enable-multilib"
222 extra_config="${extra_config} --disable-multilib"
224 [ "${CT_CC_GCC_GMP_MPFR}" = "y" ] && extra_config="${extra_config} --with-gmp=${CT_PREFIX_DIR} --with-mpfr=${CT_PREFIX_DIR}"
226 CT_DoLog DEBUG "Extra config passed: \"${extra_config}\""
228 # --enable-symvers=gnu really only needed for sh4 to work around a
229 # detection problem only matters for gcc-3.2.x and later, I think.
230 # --disable-nls to work around crash bug on ppc405, but also because
231 # embedded systems don't really need message catalogs...
232 CC_FOR_BUILD="${CT_CC_NATIVE}" \
233 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
234 TARGET_CFLAGS="${CT_TARGET_CFLAGS}" \
235 "${CT_SRC_DIR}/${CT_CC_FILE}/configure" \
237 --target=${CT_TARGET} --host=${CT_HOST} \
238 --prefix="${CT_PREFIX_DIR}" \
241 --with-local-prefix="${CT_SYSROOT_DIR}" \
243 --enable-threads=posix \
244 --enable-symvers=gnu \
247 --enable-target-optspace \
248 ${CT_CC_EXTRA_CONFIG} 2>&1 |CT_DoLog ALL
250 if [ "${CT_CANADIAN}" = "y" ]; then
251 CT_DoLog EXTRA "Building libiberty"
252 make ${PARALLELMFLAGS} all-build-libiberty 2>&1 |CT_DoLog ALL
255 # Idea from <cort.dougan at gmail.com>:
256 # Fix lib/lib64 confusion for GCC 3.3.3 on PowerPC64 and x86_64.
257 # GCC 3.4.0 and up don't suffer from this confusion, and don't need this
259 # FIXME: we should patch gcc's source rather than uglify crosstool.sh.
260 # FIXME: is this needed for gcc-3.3.[56]?
261 case "${CT_CC_FILE}" in
263 case "${CT_TARGET}" in
264 powerpc64-unknown-linux-gnu|x86_64-unknown-linux-gnu)
265 for d in `find "${CT_SYSROOT_DIR}" -name lib -type d -empty`; do
266 if [ -d `dirname "${d}"`/lib64 ] ; then
268 ln -s `dirname "${d}"`/lib64 "${d}"
275 CT_DoLog EXTRA "Building final compiler"
276 make ${PARALLELMFLAGS} all 2>&1 |CT_DoLog ALL
278 CT_DoLog EXTRA "Installing final compiler"
279 make install 2>&1 |CT_DoLog ALL
281 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
282 # to call the C compiler with the same, somewhat canonical name.
283 ln "${CT_PREFIX_DIR}/bin/${CT_TARGET}"-{g,}cc
285 # gcc installs stuff in prefix/target/lib, when it would make better sense
286 # to install that into sysroot/usr/lib
287 CT_DoLog EXTRA "Moving improperly installed gcc libs to sysroot"
288 ( cd "${CT_PREFIX_DIR}/${CT_TARGET}/lib"; tar cf - . ) | ( cd "${CT_SYSROOT_DIR}/usr/lib"; tar xfv - )