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 [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
82 do_cc_core mode=baremetal build_libgcc=yes build_libstdcxx=yes build_staticlinked=yes build_manuals=yes
84 do_cc_core mode=baremetal build_libgcc=yes build_libstdcxx=yes build_manuals=yes
89 do_cc_core mode=shared build_libgcc=yes
92 do_cc_core mode=static build_libgcc=yes
94 *) if [ "${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 build_manuals=no
118 local core_prefix_dir
121 local -a host_libstdcxx_flags
122 local -a extra_config
123 local -a core_LDFLAGS
124 local -a core_targets
126 while [ $# -ne 0 ]; do
134 core_prefix_dir="${CT_CC_CORE_STATIC_PREFIX_DIR}"
135 extra_config+=("--with-newlib")
136 extra_config+=("--enable-threads=no")
137 extra_config+=("--disable-shared")
138 copy_headers=y # For baremetal, as there's no headers to copy,
139 # we copy an empty directory. So, who cares?
142 core_prefix_dir="${CT_CC_CORE_SHARED_PREFIX_DIR}"
143 extra_config+=("--enable-shared")
147 core_prefix_dir="${CT_PREFIX_DIR}"
148 extra_config+=("--with-newlib")
149 extra_config+=("--enable-threads=no")
150 extra_config+=("--disable-shared")
151 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
155 CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
159 CT_DoStep INFO "Installing ${mode} core C compiler"
160 mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}"
161 cd "${CT_BUILD_DIR}/build-cc-core-${mode}"
163 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
164 # Bare metal delivers the core compiler as final compiler, so add version info and bugurl
165 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
166 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
169 if [ "${copy_headers}" = "y" ]; then
170 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
171 CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${core_prefix_dir}/${CT_TARGET}/include"
174 CT_DoLog EXTRA "Configuring ${mode} core C compiler"
176 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
177 eval tmp="\${CT_ARCH_WITH_${tmp}}"
178 if [ -n "${tmp}" ]; then
179 extra_config+=("${tmp}")
182 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
183 extra_config+=("--enable-__cxa_atexit")
185 extra_config+=("--disable-__cxa_atexit")
189 # Keep this full if-else-if-elif-fi-fi block in sync
190 # with the same block in do_cc, below.
191 if [ "${build_staticlinked}" = "yes" ]; then
192 core_LDFLAGS+=("-static")
193 host_libstdcxx_flags+=("-static-libgcc")
194 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
195 host_libstdcxx_flags+=("-lm")
196 # Companion libraries are build static (eg !shared), so
197 # the libstdc++ is not pulled automatically, although it
198 # is needed. Shoe-horn it in our LDFLAGS
199 # Ditto libm on some Fedora boxen
200 core_LDFLAGS+=("-lstdc++")
201 core_LDFLAGS+=("-lm")
203 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
204 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
206 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
207 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
208 host_libstdcxx_flags+=("-static-libgcc")
209 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
210 host_libstdcxx_flags+=("-lm")
211 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
212 # When companion libraries are build static (eg !shared),
213 # the libstdc++ is not pulled automatically, although it
214 # is needed. Shoe-horn it in our LDFLAGS
215 # Ditto libm on some Fedora boxen
216 core_LDFLAGS+=("-lstdc++")
217 core_LDFLAGS+=("-lm")
221 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
222 extra_config+=("--with-gmp=${CT_COMPLIBS_DIR}")
223 extra_config+=("--with-mpfr=${CT_COMPLIBS_DIR}")
225 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
226 extra_config+=("--with-mpc=${CT_COMPLIBS_DIR}")
228 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
229 extra_config+=("--with-ppl=${CT_COMPLIBS_DIR}")
230 # With PPL 0.11+, also pull libpwl if needed
231 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
232 host_libstdcxx_flags+=("-L${CT_COMPLIBS_DIR}/lib")
233 host_libstdcxx_flags+=("-lpwl")
235 extra_config+=("--with-cloog=${CT_COMPLIBS_DIR}")
236 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
237 extra_config+=("--with-ppl=no")
238 extra_config+=("--with-cloog=no")
240 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
241 extra_config+=("--with-libelf=${CT_COMPLIBS_DIR}")
242 extra_config+=("--enable-lto")
243 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
244 extra_config+=("--with-libelf=no")
245 extra_config+=("--disable-lto")
248 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
249 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
252 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
253 extra_config+=("--enable-target-optspace")
256 case "${CT_CC_GCC_LDBL_128}" in
257 y) extra_config+=("--with-long-double-128");;
259 "") extra_config+=("--without-long-double-128");;
262 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
263 extra_config+=( --enable-linker-build-id )
266 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
268 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
273 case "${CT_CC_GCC_mips_llsc}" in
274 y) extra_config+=( --with-llsc );;
276 *) extra_config+=( --without-llsc );;
278 case "${CT_CC_GCC_mips_synci}" in
279 y) extra_config+=( --with-synci );;
281 *) extra_config+=( --without-synci );;
283 if [ "${CT_CC_GCC_mips_plt}" ]; then
284 extra_config+=( --with-mips-plt )
289 extra_config+=(--disable-libgomp)
290 extra_config+=(--disable-libmudflap)
292 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
294 [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")
296 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
298 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
300 CC_FOR_BUILD="${CT_BUILD}-gcc" \
301 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
302 LDFLAGS="${core_LDFLAGS[*]}" \
303 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
304 --build=${CT_BUILD} \
306 --target=${CT_TARGET} \
307 --prefix="${core_prefix_dir}" \
308 --with-local-prefix="${CT_SYSROOT_DIR}" \
310 --disable-libmudflap \
311 ${CC_CORE_SYSROOT_ARG} \
312 "${extra_config[@]}" \
313 --enable-languages="${lang_opt}" \
314 "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"
316 if [ "${build_libgcc}" = "yes" ]; then
317 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
318 # gcc/config/t-libunwind so -lc is removed from the link for
319 # libgcc_s.so, as we do not have a target -lc yet.
320 # This is not as ugly as it appears to be ;-) All symbols get resolved
321 # during the glibc build, and we provide a proper libgcc_s.so for the
322 # cross toolchain during the final gcc build.
324 # As we cannot modify the source tree, nor override SHLIB_LC itself
325 # during configure or make, we have to edit the resultant
326 # gcc/libgcc.mk itself to remove -lc from the link.
327 # This causes us to have to jump through some hoops...
329 # To produce libgcc.mk to edit we firstly require libiberty.a,
330 # so we configure then build it.
331 # Next we have to configure gcc, create libgcc.mk then edit it...
332 # So much easier if we just edit the source tree, but hey...
333 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
334 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty
335 CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
336 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp
337 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
339 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty
340 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
342 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
343 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
344 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber
345 CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
348 # Starting with GCC 4.3, libgcc.mk is no longer built,
349 # and libgcc.mvars is used instead.
351 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
352 libgcc_rule="libgcc.mvars"
353 core_targets=( gcc target-libgcc )
355 libgcc_rule="libgcc.mk"
359 # On bare metal and canadian build the host-compiler is used when
360 # actually the build-system compiler is required. Choose the correct
361 # compilers for canadian build and use the defaults on other
363 if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
364 repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
365 GCC_FOR_TARGET=${CT_TARGET}-gcc"
370 CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
372 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
376 if [ "${build_libstdcxx}" = "yes" \
377 -a "${CT_CC_LANG_CXX}" = "y" \
379 core_targets+=( target-libstdc++-v3 )
382 CT_DoLog EXTRA "Building ${mode} core C compiler"
383 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
385 CT_DoLog EXTRA "Installing ${mode} core C compiler"
386 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"
388 if [ "${CT_BUILD_MANUALS}" = "y" -a "${build_manuals}" = "yes" ]; then
389 CT_DoLog EXTRA "Building the GCC manuals"
390 CT_DoExecLog ALL make pdf html
391 CT_DoLog EXTRA "Installing the GCC manuals"
392 CT_DoExecLog ALL make install-{pdf,html}-gcc
395 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
396 # to call the C compiler with the same, somewhat canonical name.
397 # check whether compiler has an extension
398 file="$( ls -1 "${core_prefix_dir}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
399 [ -z "${file}" ] || ext=".${file##*.}"
400 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${core_prefix_dir}/bin/${CT_TARGET}-cc${ext}"
405 #------------------------------------------------------------------------------
408 local -a host_libstdcxx_flags
409 local -a extra_config
410 local -a final_LDFLAGS
413 # If building for bare metal, nothing to be done here, the static core conpiler is enough!
414 [ "${CT_BARE_METAL}" = "y" ] && return 0
416 CT_DoStep INFO "Installing final compiler"
418 mkdir -p "${CT_BUILD_DIR}/build-cc"
419 cd "${CT_BUILD_DIR}/build-cc"
421 CT_DoLog EXTRA "Configuring final compiler"
423 # Enable selected languages
425 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
426 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_opt="${lang_opt},fortran"
427 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_opt="${lang_opt},ada"
428 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_opt="${lang_opt},java"
429 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_opt="${lang_opt},objc"
430 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_opt="${lang_opt},obj-c++"
431 CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
432 CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
433 CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
434 CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
435 lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')
437 extra_config+=("--enable-languages=${lang_opt}")
438 extra_config+=("--disable-multilib")
439 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
440 eval tmp="\${CT_ARCH_WITH_${tmp}}"
441 if [ -n "${tmp}" ]; then
442 extra_config+=("${tmp}")
446 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
447 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
448 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
449 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
451 case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
452 y) extra_config+=("--enable-sjlj-exceptions");;
454 "") extra_config+=("--disable-sjlj-exceptions");;
456 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
457 extra_config+=("--enable-__cxa_atexit")
459 extra_config+=("--disable-__cxa_atexit")
461 if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
462 extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
464 if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
465 extra_config+=(--enable-libmudflap)
467 extra_config+=(--disable-libmudflap)
469 if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
470 extra_config+=(--enable-libgomp)
472 extra_config+=(--disable-libgomp)
474 if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
475 extra_config+=(--enable-libssp)
477 extra_config+=(--disable-libssp)
481 # Keep this full if-else-if-elif-fi-fi block in sync
482 # with the same block in do_cc_core, above.
483 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
484 final_LDFLAGS+=("-static")
485 host_libstdcxx_flags+=("-static-libgcc")
486 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
487 host_libstdcxx_flags+=("-lm")
488 # Companion libraries are build static (eg !shared), so
489 # the libstdc++ is not pulled automatically, although it
490 # is needed. Shoe-horn it in our LDFLAGS
491 # Ditto libm on some Fedora boxen
492 final_LDFLAGS+=("-lstdc++")
493 final_LDFLAGS+=("-lm")
495 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
496 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
498 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
499 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
500 host_libstdcxx_flags+=("-static-libgcc")
501 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
502 host_libstdcxx_flags+=("-lm")
503 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
504 # When companion libraries are build static (eg !shared),
505 # the libstdc++ is not pulled automatically, although it
506 # is needed. Shoe-horn it in our LDFLAGS
507 # Ditto libm on some Fedora boxen
508 final_LDFLAGS+=("-lstdc++")
509 final_LDFLAGS+=("-lm")
513 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
514 extra_config+=("--with-gmp=${CT_COMPLIBS_DIR}")
515 extra_config+=("--with-mpfr=${CT_COMPLIBS_DIR}")
517 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
518 extra_config+=("--with-mpc=${CT_COMPLIBS_DIR}")
520 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
521 extra_config+=("--with-ppl=${CT_COMPLIBS_DIR}")
522 # With PPL 0.11+, also pull libpwl if needed
523 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
524 host_libstdcxx_flags+=("-L${CT_COMPLIBS_DIR}/lib")
525 host_libstdcxx_flags+=("-lpwl")
527 extra_config+=("--with-cloog=${CT_COMPLIBS_DIR}")
528 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
529 extra_config+=("--with-ppl=no")
530 extra_config+=("--with-cloog=no")
532 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
533 extra_config+=("--with-libelf=${CT_COMPLIBS_DIR}")
534 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
535 extra_config+=("--with-libelf=no")
538 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
539 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
542 if [ "${CT_THREADS}" = "none" ]; then
543 extra_config+=("--disable-threads")
544 if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
545 CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
546 extra_config+=("--disable-libgomp")
549 if [ "${CT_THREADS}" = "win32" ]; then
550 extra_config+=("--enable-threads=win32")
551 extra_config+=("--disable-win32-registry")
553 extra_config+=("--enable-threads=posix")
557 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
558 extra_config+=("--enable-target-optspace")
560 if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
561 extra_config+=("--disable-libstdcxx-pch")
564 case "${CT_CC_GCC_LDBL_128}" in
565 y) extra_config+=("--with-long-double-128");;
567 "") extra_config+=("--without-long-double-128");;
570 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
571 extra_config+=( --enable-linker-build-id )
574 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
576 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
579 if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
580 extra_config+=( --enable-plugin )
582 if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
583 extra_config+=( --enable-gold )
588 case "${CT_CC_GCC_mips_llsc}" in
589 y) extra_config+=( --with-llsc );;
591 *) extra_config+=( --without-llsc );;
593 case "${CT_CC_GCC_mips_synci}" in
594 y) extra_config+=( --with-synci );;
596 *) extra_config+=( --without-synci );;
598 if [ "${CT_CC_GCC_mips_plt}" ]; then
599 extra_config+=( --with-mips-plt )
604 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
606 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
609 CC_FOR_BUILD="${CT_BUILD}-gcc" \
610 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
611 LDFLAGS="${final_LDFLAGS[*]}" \
612 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
613 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
614 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
615 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
616 --build=${CT_BUILD} \
618 --target=${CT_TARGET} \
619 --prefix="${CT_PREFIX_DIR}" \
621 "${extra_config[@]}" \
622 --with-local-prefix="${CT_SYSROOT_DIR}" \
625 "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
627 if [ "${CT_CANADIAN}" = "y" ]; then
628 CT_DoLog EXTRA "Building libiberty"
629 CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
632 CT_DoLog EXTRA "Building final compiler"
633 CT_DoExecLog ALL make ${JOBSFLAGS} all
635 CT_DoLog EXTRA "Installing final compiler"
636 CT_DoExecLog ALL make ${JOBSFLAGS} install
638 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
639 CT_DoLog EXTRA "Building the GCC manuals"
640 CT_DoExecLog ALL make ${JOBSFLAGS} pdf html
641 CT_DoLog EXTRA "Installing the GCC manuals"
642 CT_DoExecLog ALL make install-{pdf,html}-gcc
645 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
646 # to call the C compiler with the same, somewhat canonical name.
647 # check whether compiler has an extension
648 file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
649 [ -z "${file}" ] || ext=".${file##*.}"
650 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"