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
9 local linaro_base_url="http://launchpad.net/gcc-linaro"
12 # Account for the Linaro versioning
13 linaro_version="$( echo "${CT_CC_VERSION}" \
14 |sed -r -e 's/^linaro-//;' \
16 linaro_series="$( echo "${linaro_version}" \
17 |sed -r -e 's/-.*//;' \
20 # Ah! gcc folks are kind of 'different': they store the tarballs in
21 # subdirectories of the same name! That's because gcc is such /crap/ that
22 # it is such /big/ that it needs being splitted for distribution! Sad. :-(
23 # Arrgghh! Some of those versions does not follow this convention:
24 # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a
25 # subdirectory! You bastard!
26 CT_GetFile "gcc-${CT_CC_VERSION}" \
27 {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/gcc-${CT_CC_VERSION}} \
28 ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/releases/gcc-${CT_CC_VERSION} \
29 ftp://ftp.uvsq.fr/pub/gcc/snapshots/${CT_CC_VERSION} \
30 "${linaro_base_url}/${linaro_series}/${linaro_version}/+download"
32 # Starting with GCC 4.3, ecj is used for Java, and will only be
33 # built if the configure script finds ecj.jar at the top of the
34 # GCC source tree, which will not be there unless we get it and
35 # put it there ourselves
36 if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" ]; then
37 CT_GetFile ecj-latest .jar ftp://gcc.gnu.org/pub/java \
38 ftp://sourceware.org/pub/java
44 CT_Extract "gcc-${CT_CC_VERSION}"
45 CT_Patch "gcc" "${CT_CC_VERSION}"
47 # Copy ecj-latest.jar to ecj.jar at the top of the GCC source tree
48 if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" \
49 -a ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar" \
51 CT_DoExecLog ALL cp -v "${CT_TARBALLS_DIR}/ecj-latest.jar" "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"
55 #------------------------------------------------------------------------------
58 # If we're building for bare metal, build the static core gcc,
60 # In case we're not bare metal and building a canadian compiler, do nothing
61 # In case we're not bare metal, and we're NPTL, build the static core gcc.
62 # In any other case, do nothing.
63 case "${CT_BARE_METAL},${CT_CANADIAN},${CT_THREADS}" in
64 y,*,*) do_cc_core mode=static;;
66 ,,nptl) do_cc_core mode=static;;
73 # In case we're building for bare metal, do nothing, we already have
75 # In case we're not bare metal and building a canadian compiler, do nothing
76 # In case we're NPTL, build the shared core gcc and the target libgcc.
77 # In any other case, build the static core gcc and, if using gcc-4.3+,
78 # also build the target libgcc.
79 case "${CT_BARE_METAL},${CT_CANADIAN},${CT_THREADS}" in
81 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
82 do_cc_core mode=baremetal build_libgcc=yes build_libstdcxx=yes build_staticlinked=yes
84 do_cc_core mode=baremetal build_libgcc=yes build_libstdcxx=yes
89 do_cc_core mode=shared build_libgcc=yes
92 do_cc_core mode=static build_libgcc=yes
94 *) if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
95 do_cc_core mode=static build_libgcc=yes
97 do_cc_core mode=static
103 #------------------------------------------------------------------------------
105 # This function is used to build both the static and the shared core C conpiler,
106 # with or without the target libgcc. We need to know wether:
107 # - we're building static, shared or bare metal: mode=[static|shared|baremetal]
108 # - we need to build libgcc or not : build_libgcc=[yes|no] (default: no)
109 # - we need to build libstdc++ or not : build_libstdcxx=[yes|no] (default: no)
110 # - we need to build statically linked or not : build_staticlinked=[yes|no] (default: no)
111 # Usage: do_cc_core mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]
114 local build_libgcc=no
115 local build_libstdcxx=no
116 local build_staticlinked=no
117 local core_prefix_dir
120 local -a host_libstdcxx_flags
121 local -a extra_config
122 local -a core_LDFLAGS
123 local -a core_targets
125 while [ $# -ne 0 ]; do
133 core_prefix_dir="${CT_CC_CORE_STATIC_PREFIX_DIR}"
134 extra_config+=("--with-newlib")
135 extra_config+=("--enable-threads=no")
136 extra_config+=("--disable-shared")
137 copy_headers=y # For baremetal, as there's no headers to copy,
138 # we copy an empty directory. So, who cares?
141 core_prefix_dir="${CT_CC_CORE_SHARED_PREFIX_DIR}"
142 extra_config+=("--enable-shared")
146 core_prefix_dir="${CT_PREFIX_DIR}"
147 extra_config+=("--with-newlib")
148 extra_config+=("--enable-threads=no")
149 extra_config+=("--disable-shared")
150 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
154 CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
158 CT_DoStep INFO "Installing ${mode} core C compiler"
159 mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}"
160 cd "${CT_BUILD_DIR}/build-cc-core-${mode}"
162 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
163 # Bare metal delivers the core compiler as final compiler, so add version info and bugurl
164 [ -n "${CT_TOOLCHAIN_PKGVERSION}" ] && extra_config+=("--with-pkgversion=${CT_TOOLCHAIN_PKGVERSION}")
165 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
168 if [ "${copy_headers}" = "y" ]; then
169 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
170 CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${core_prefix_dir}/${CT_TARGET}/include"
173 CT_DoLog EXTRA "Configuring ${mode} core C compiler"
175 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
176 eval tmp="\${CT_ARCH_WITH_${tmp}}"
177 if [ -n "${tmp}" ]; then
178 extra_config+=("${tmp}")
181 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
182 extra_config+=("--enable-__cxa_atexit")
184 extra_config+=("--disable-__cxa_atexit")
188 # Keep this full if-else-if-elif-fi-fi block in sync
189 # with the same block in do_cc, below.
190 if [ "${build_staticlinked}" = "yes" ]; then
191 core_LDFLAGS+=("-static")
192 host_libstdcxx_flags+=("-static-libgcc")
193 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
194 host_libstdcxx_flags+=("-lm")
195 # Companion libraries are build static (eg !shared), so
196 # the libstdc++ is not pulled automatically, although it
197 # is needed. Shoe-horn it in our LDFLAGS
198 # Ditto libm on some Fedora boxen
199 core_LDFLAGS+=("-lstdc++")
200 core_LDFLAGS+=("-lm")
202 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
203 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
205 # FIXME: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
206 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
207 host_libstdcxx_flags+=("-static-libgcc")
208 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
209 host_libstdcxx_flags+=("-lm")
210 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
211 # When companion libraries are build static (eg !shared),
212 # the libstdc++ is not pulled automatically, although it
213 # is needed. Shoe-horn it in our LDFLAGS
214 # Ditto libm on some Fedora boxen
215 core_LDFLAGS+=("-lstdc++")
216 core_LDFLAGS+=("-lm")
220 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
221 extra_config+=("--with-gmp=${CT_COMPLIBS_DIR}")
222 extra_config+=("--with-mpfr=${CT_COMPLIBS_DIR}")
224 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
225 extra_config+=("--with-mpc=${CT_COMPLIBS_DIR}")
227 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
228 extra_config+=("--with-ppl=${CT_COMPLIBS_DIR}")
229 # With PPL 0.11+, also pull libpwl if needed
230 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
231 host_libstdcxx_flags+=("-L${CT_COMPLIBS_DIR}/lib")
232 host_libstdcxx_flags+=("-lpwl")
234 extra_config+=("--with-cloog=${CT_COMPLIBS_DIR}")
235 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
236 extra_config+=("--with-ppl=no")
237 extra_config+=("--with-cloog=no")
239 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
240 extra_config+=("--with-libelf=${CT_COMPLIBS_DIR}")
241 extra_config+=("--enable-lto")
242 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
243 extra_config+=("--with-libelf=no")
244 extra_config+=("--disable-lto")
247 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
248 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
251 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
252 extra_config+=("--enable-target-optspace")
255 case "${CT_CC_GCC_LDBL_128}" in
256 y) extra_config+=("--with-long-double-128");;
258 "") extra_config+=("--without-long-double-128");;
261 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
263 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
265 CC_FOR_BUILD="${CT_BUILD}-gcc" \
266 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
267 LDFLAGS="${core_LDFLAGS[*]}" \
268 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
269 --build=${CT_BUILD} \
271 --target=${CT_TARGET} \
272 --prefix="${core_prefix_dir}" \
273 --with-local-prefix="${CT_SYSROOT_DIR}" \
275 --disable-libmudflap \
276 ${CC_CORE_SYSROOT_ARG} \
277 "${extra_config[@]}" \
279 --enable-symvers=gnu \
280 --enable-languages="${lang_opt}" \
281 "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"
283 if [ "${build_libgcc}" = "yes" ]; then
284 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
285 # gcc/config/t-libunwind so -lc is removed from the link for
286 # libgcc_s.so, as we do not have a target -lc yet.
287 # This is not as ugly as it appears to be ;-) All symbols get resolved
288 # during the glibc build, and we provide a proper libgcc_s.so for the
289 # cross toolchain during the final gcc build.
291 # As we cannot modify the source tree, nor override SHLIB_LC itself
292 # during configure or make, we have to edit the resultant
293 # gcc/libgcc.mk itself to remove -lc from the link.
294 # This causes us to have to jump through some hoops...
296 # To produce libgcc.mk to edit we firstly require libiberty.a,
297 # so we configure then build it.
298 # Next we have to configure gcc, create libgcc.mk then edit it...
299 # So much easier if we just edit the source tree, but hey...
300 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
301 CT_DoExecLog CFG make configure-libiberty
302 CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
303 CT_DoExecLog CFG make configure-gcc configure-libcpp
304 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
306 CT_DoExecLog CFG make configure-gcc configure-libcpp configure-build-libiberty
307 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
309 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
310 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
311 CT_DoExecLog CFG make configure-libdecnumber
312 CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
315 # Starting with GCC 4.3, libgcc.mk is no longer built,
316 # and libgcc.mvars is used instead.
318 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
319 libgcc_rule="libgcc.mvars"
320 core_targets=( gcc target-libgcc )
322 libgcc_rule="libgcc.mk"
326 # On bare metal and canadian build the host-compiler is used when
327 # actually the build-system compiler is required. Choose the correct
328 # compilers for canadian build and use the defaults on other
330 if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
331 repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
332 GCC_FOR_TARGET=${CT_TARGET}-gcc"
337 CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
339 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
343 if [ "${build_libstdcxx}" = "yes" \
344 -a "${CT_CC_LANG_CXX}" = "y" \
346 core_targets+=( target-libstdc++-v3 )
349 CT_DoLog EXTRA "Building ${mode} core C compiler"
350 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
352 CT_DoLog EXTRA "Installing ${mode} core C compiler"
353 CT_DoExecLog ALL make "${core_targets[@]/#/install-}"
355 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
356 # to call the C compiler with the same, somewhat canonical name.
357 # check whether compiler has an extension
358 file="$( ls -1 "${core_prefix_dir}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
359 [ -z "${file}" ] || ext=".${file##*.}"
360 CT_DoExecLog ALL ln -sv "${CT_TARGET}-gcc${ext}" "${core_prefix_dir}/bin/${CT_TARGET}-cc${ext}"
365 #------------------------------------------------------------------------------
368 local -a host_libstdcxx_flags
369 local -a extra_config
370 local -a final_LDFLAGS
373 # If building for bare metal, nothing to be done here, the static core conpiler is enough!
374 [ "${CT_BARE_METAL}" = "y" ] && return 0
376 CT_DoStep INFO "Installing final compiler"
378 mkdir -p "${CT_BUILD_DIR}/build-cc"
379 cd "${CT_BUILD_DIR}/build-cc"
381 CT_DoLog EXTRA "Configuring final compiler"
383 # Enable selected languages
385 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
386 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_opt="${lang_opt},fortran"
387 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_opt="${lang_opt},ada"
388 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_opt="${lang_opt},java"
389 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_opt="${lang_opt},objc"
390 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_opt="${lang_opt},obj-c++"
391 CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
392 CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
393 CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
394 CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
395 lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')
397 extra_config+=("--enable-languages=${lang_opt}")
398 extra_config+=("--disable-multilib")
399 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
400 eval tmp="\${CT_ARCH_WITH_${tmp}}"
401 if [ -n "${tmp}" ]; then
402 extra_config+=("${tmp}")
406 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
407 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
408 [ -n "${CT_TOOLCHAIN_PKGVERSION}" ] && extra_config+=("--with-pkgversion=${CT_TOOLCHAIN_PKGVERSION}")
409 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
411 case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
412 y) extra_config+=("--enable-sjlj-exceptions");;
414 "") extra_config+=("--disable-sjlj-exceptions");;
416 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
417 extra_config+=("--enable-__cxa_atexit")
419 extra_config+=("--disable-__cxa_atexit")
421 if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
422 extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
424 if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
425 extra_config+=(--enable-libmudflap)
427 extra_config+=(--disable-libmudflap)
429 if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
430 extra_config+=(--enable-libgomp)
432 extra_config+=(--disable-libgomp)
434 if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
435 extra_config+=(--enable-libssp)
437 extra_config+=(--disable-libssp)
441 # Keep this full if-else-if-elif-fi-fi block in sync
442 # with the same block in do_cc_core, above.
443 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
444 final_LDFLAGS+=("-static")
445 host_libstdcxx_flags+=("-static-libgcc")
446 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
447 host_libstdcxx_flags+=("-lm")
448 # Companion libraries are build static (eg !shared), so
449 # the libstdc++ is not pulled automatically, although it
450 # is needed. Shoe-horn it in our LDFLAGS
451 # Ditto libm on some Fedora boxen
452 final_LDFLAGS+=("-lstdc++")
453 final_LDFLAGS+=("-lm")
455 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
456 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
458 # FIXME: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
459 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
460 host_libstdcxx_flags+=("-static-libgcc")
461 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
462 host_libstdcxx_flags+=("-lm")
463 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
464 # When companion libraries are build static (eg !shared),
465 # the libstdc++ is not pulled automatically, although it
466 # is needed. Shoe-horn it in our LDFLAGS
467 # Ditto libm on some Fedora boxen
468 final_LDFLAGS+=("-lstdc++")
469 final_LDFLAGS+=("-lm")
473 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
474 extra_config+=("--with-gmp=${CT_COMPLIBS_DIR}")
475 extra_config+=("--with-mpfr=${CT_COMPLIBS_DIR}")
477 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
478 extra_config+=("--with-mpc=${CT_COMPLIBS_DIR}")
480 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
481 extra_config+=("--with-ppl=${CT_COMPLIBS_DIR}")
482 # With PPL 0.11+, also pull libpwl if needed
483 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
484 host_libstdcxx_flags+=("-L${CT_COMPLIBS_DIR}/lib")
485 host_libstdcxx_flags+=("-lpwl")
487 extra_config+=("--with-cloog=${CT_COMPLIBS_DIR}")
488 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
489 extra_config+=("--with-ppl=no")
490 extra_config+=("--with-cloog=no")
492 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
493 extra_config+=("--with-libelf=${CT_COMPLIBS_DIR}")
494 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
495 extra_config+=("--with-libelf=no")
498 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
499 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
502 if [ "${CT_THREADS}" = "none" ]; then
503 extra_config+=("--disable-threads")
504 if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
505 CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
506 extra_config+=("--disable-libgomp")
509 if [ "${CT_THREADS}" = "win32" ]; then
510 extra_config+=("--enable-threads=win32")
511 extra_config+=("--disable-win32-registry")
513 extra_config+=("--enable-threads=posix")
517 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
518 extra_config+=("--enable-target-optspace")
520 if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
521 extra_config+=("--disable-libstdcxx-pch")
524 case "${CT_CC_GCC_LDBL_128}" in
525 y) extra_config+=("--with-long-double-128");;
527 "") extra_config+=("--without-long-double-128");;
530 if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
531 extra_config+=( --enable-plugin )
533 if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
534 extra_config+=( --enable-gold )
537 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
539 # --enable-symvers=gnu really only needed for sh4 to work around a
540 # detection problem only matters for gcc-3.2.x and later, I think.
541 # --disable-nls to work around crash bug on ppc405, but also because
542 # embedded systems don't really need message catalogs...
544 CC_FOR_BUILD="${CT_BUILD}-gcc" \
545 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
546 LDFLAGS="${final_LDFLAGS[*]}" \
547 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
548 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
549 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
550 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
551 --build=${CT_BUILD} \
553 --target=${CT_TARGET} \
554 --prefix="${CT_PREFIX_DIR}" \
556 "${extra_config[@]}" \
557 --with-local-prefix="${CT_SYSROOT_DIR}" \
559 --enable-symvers=gnu \
562 "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
564 if [ "${CT_CANADIAN}" = "y" ]; then
565 CT_DoLog EXTRA "Building libiberty"
566 CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
569 CT_DoLog EXTRA "Building final compiler"
570 CT_DoExecLog ALL make ${JOBSFLAGS} all
572 CT_DoLog EXTRA "Installing final compiler"
573 CT_DoExecLog ALL make install
575 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
576 # to call the C compiler with the same, somewhat canonical name.
577 # check whether compiler has an extension
578 file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
579 [ -z "${file}" ] || ext=".${file##*.}"
580 CT_DoExecLog ALL ln -sv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"