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 #------------------------------------------------------------------------------
61 # If we're building for bare metal, build the static core gcc,
63 # In case we're not bare metal and building a canadian compiler, do nothing
64 # In case we're not bare metal, and we're NPTL, build the static core gcc.
65 # In any other case, do nothing.
66 case "${CT_BARE_METAL},${CT_CANADIAN},${CT_THREADS}" in
69 core_opts+=( "mode=static" )
70 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
76 core_opts+=( "mode=static" )
77 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
83 if [ "${do_core}" = "y" ]; then
84 do_cc_core_backend "${core_opts[@]}"
93 # In case we're building for bare metal, do nothing, we already have
95 # In case we're not bare metal and building a canadian compiler, do nothing
96 # In case we're NPTL, build the shared core gcc and the target libgcc.
97 # In any other case, build the static core gcc and, if using gcc-4.3+,
98 # also build the target libgcc.
99 case "${CT_BARE_METAL},${CT_CANADIAN},${CT_THREADS}" in
102 core_opts+=( "mode=baremetal" )
103 core_opts+=( "build_libgcc=yes" )
104 core_opts+=( "build_libstdcxx=yes" )
105 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
106 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
107 core_opts+=( "build_staticlinked=yes" )
109 core_opts+=( "build_manuals=yes" )
114 core_opts+=( "mode=shared" )
115 core_opts+=( "build_libgcc=yes" )
116 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
120 core_opts+=( "mode=static" )
121 core_opts+=( "build_libgcc=yes" )
122 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
126 core_opts+=( "mode=static" )
127 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
128 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
129 core_opts+=( "build_libgcc=yes" )
134 if [ "${do_core}" = "y" ]; then
135 do_cc_core_backend "${core_opts[@]}"
139 #------------------------------------------------------------------------------
141 # This function is used to build both the static and the shared core C compiler,
142 # with or without the target libgcc. We need to know wether:
143 # - we're building static, shared or bare metal: mode=[static|shared|baremetal]
144 # - we need to build libgcc or not : build_libgcc=[yes|no] (default: no)
145 # - we need to build libstdc++ or not : build_libstdcxx=[yes|no] (default: no)
146 # - we need to build statically linked or not : build_staticlinked=[yes|no] (default: no)
147 # - where to find the companion libs (prefix) : complibs=<prefix_dir> (no default value)
148 # Usage: do_cc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]
149 do_cc_core_backend() {
151 local build_libgcc=no
152 local build_libstdcxx=no
153 local build_staticlinked=no
154 local build_manuals=no
155 local core_prefix_dir
159 local -a host_libstdcxx_flags
160 local -a extra_config
161 local -a core_LDFLAGS
162 local -a core_targets
172 core_prefix_dir="${CT_CC_CORE_STATIC_PREFIX_DIR}"
173 extra_config+=("--with-newlib")
174 extra_config+=("--enable-threads=no")
175 extra_config+=("--disable-shared")
176 copy_headers=y # For baremetal, as there's no headers to copy,
177 # we copy an empty directory. So, who cares?
180 core_prefix_dir="${CT_CC_CORE_SHARED_PREFIX_DIR}"
181 extra_config+=("--enable-shared")
185 core_prefix_dir="${CT_PREFIX_DIR}"
186 extra_config+=("--with-newlib")
187 extra_config+=("--enable-threads=no")
188 extra_config+=("--disable-shared")
189 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
193 CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
197 CT_DoStep INFO "Installing ${mode} core C compiler"
198 mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}"
199 cd "${CT_BUILD_DIR}/build-cc-core-${mode}"
201 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
202 # Bare metal delivers the core compiler as final compiler, so add version info and bugurl
203 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
204 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
207 if [ "${copy_headers}" = "y" ]; then
208 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
209 CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${core_prefix_dir}/${CT_TARGET}/include"
212 CT_DoLog EXTRA "Configuring ${mode} core C compiler"
214 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
215 eval tmp="\${CT_ARCH_WITH_${tmp}}"
216 if [ -n "${tmp}" ]; then
217 extra_config+=("${tmp}")
220 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
221 extra_config+=("--enable-__cxa_atexit")
223 extra_config+=("--disable-__cxa_atexit")
227 # Keep this full if-else-if-elif-fi-fi block in sync
228 # with the same block in do_cc, below.
229 if [ "${build_staticlinked}" = "yes" ]; then
230 core_LDFLAGS+=("-static")
231 host_libstdcxx_flags+=("-static-libgcc")
232 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
233 host_libstdcxx_flags+=("-lm")
234 # Companion libraries are build static (eg !shared), so
235 # the libstdc++ is not pulled automatically, although it
236 # is needed. Shoe-horn it in our LDFLAGS
237 # Ditto libm on some Fedora boxen
238 core_LDFLAGS+=("-lstdc++")
239 core_LDFLAGS+=("-lm")
241 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
242 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
244 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
245 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
246 host_libstdcxx_flags+=("-static-libgcc")
247 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
248 host_libstdcxx_flags+=("-lm")
249 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
250 # When companion libraries are build static (eg !shared),
251 # the libstdc++ is not pulled automatically, although it
252 # is needed. Shoe-horn it in our LDFLAGS
253 # Ditto libm on some Fedora boxen
254 core_LDFLAGS+=("-lstdc++")
255 core_LDFLAGS+=("-lm")
259 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
260 extra_config+=("--with-gmp=${complibs}")
261 extra_config+=("--with-mpfr=${complibs}")
263 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
264 extra_config+=("--with-mpc=${complibs}")
266 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
267 extra_config+=("--with-ppl=${complibs}")
268 # With PPL 0.11+, also pull libpwl if needed
269 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
270 host_libstdcxx_flags+=("-L${complibs}/lib")
271 host_libstdcxx_flags+=("-lpwl")
273 extra_config+=("--with-cloog=${complibs}")
274 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
275 extra_config+=("--with-ppl=no")
276 extra_config+=("--with-cloog=no")
278 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
279 extra_config+=("--with-libelf=${complibs}")
280 extra_config+=("--enable-lto")
281 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
282 extra_config+=("--with-libelf=no")
283 extra_config+=("--disable-lto")
286 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
287 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
290 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
291 extra_config+=("--enable-target-optspace")
294 case "${CT_CC_GCC_LDBL_128}" in
295 y) extra_config+=("--with-long-double-128");;
297 "") extra_config+=("--without-long-double-128");;
300 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
301 extra_config+=( --enable-linker-build-id )
304 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
306 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
311 case "${CT_CC_GCC_mips_llsc}" in
312 y) extra_config+=( --with-llsc );;
314 *) extra_config+=( --without-llsc );;
316 case "${CT_CC_GCC_mips_synci}" in
317 y) extra_config+=( --with-synci );;
319 *) extra_config+=( --without-synci );;
321 if [ "${CT_CC_GCC_mips_plt}" ]; then
322 extra_config+=( --with-mips-plt )
327 extra_config+=(--disable-libgomp)
328 extra_config+=(--disable-libmudflap)
330 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
332 [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")
334 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
335 extra_config+=("--with-system-zlib")
338 if [ "${CT_MULTILIB}" = "y" ]; then
339 extra_config+=("--enable-multilib")
341 extra_config+=("--disable-multilib")
344 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
346 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
348 CC_FOR_BUILD="${CT_BUILD}-gcc" \
349 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
350 LDFLAGS="${core_LDFLAGS[*]}" \
351 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
352 --build=${CT_BUILD} \
354 --target=${CT_TARGET} \
355 --prefix="${core_prefix_dir}" \
356 --with-local-prefix="${CT_SYSROOT_DIR}" \
357 --disable-libmudflap \
358 ${CC_CORE_SYSROOT_ARG} \
359 "${extra_config[@]}" \
360 --enable-languages="${lang_opt}" \
361 "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"
363 if [ "${build_libgcc}" = "yes" ]; then
364 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
365 # gcc/config/t-libunwind so -lc is removed from the link for
366 # libgcc_s.so, as we do not have a target -lc yet.
367 # This is not as ugly as it appears to be ;-) All symbols get resolved
368 # during the glibc build, and we provide a proper libgcc_s.so for the
369 # cross toolchain during the final gcc build.
371 # As we cannot modify the source tree, nor override SHLIB_LC itself
372 # during configure or make, we have to edit the resultant
373 # gcc/libgcc.mk itself to remove -lc from the link.
374 # This causes us to have to jump through some hoops...
376 # To produce libgcc.mk to edit we firstly require libiberty.a,
377 # so we configure then build it.
378 # Next we have to configure gcc, create libgcc.mk then edit it...
379 # So much easier if we just edit the source tree, but hey...
380 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
381 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty
382 CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
383 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp
384 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
386 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty
387 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
389 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
390 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
391 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber
392 CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
395 # Starting with GCC 4.3, libgcc.mk is no longer built,
396 # and libgcc.mvars is used instead.
398 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
399 libgcc_rule="libgcc.mvars"
400 core_targets=( gcc target-libgcc )
402 libgcc_rule="libgcc.mk"
406 # On bare metal and canadian build the host-compiler is used when
407 # actually the build-system compiler is required. Choose the correct
408 # compilers for canadian build and use the defaults on other
410 if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
411 repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
412 GCC_FOR_TARGET=${CT_TARGET}-gcc"
417 CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
419 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
423 if [ "${build_libstdcxx}" = "yes" \
424 -a "${CT_CC_LANG_CXX}" = "y" \
426 core_targets+=( target-libstdc++-v3 )
429 CT_DoLog EXTRA "Building ${mode} core C compiler"
430 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
432 CT_DoLog EXTRA "Installing ${mode} core C compiler"
433 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"
435 if [ "${CT_BUILD_MANUALS}" = "y" -a "${build_manuals}" = "yes" ]; then
436 CT_DoLog EXTRA "Building the GCC manuals"
437 CT_DoExecLog ALL make pdf html
438 CT_DoLog EXTRA "Installing the GCC manuals"
439 CT_DoExecLog ALL make install-{pdf,html}-gcc
442 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
443 # to call the C compiler with the same, somewhat canonical name.
444 # check whether compiler has an extension
445 file="$( ls -1 "${core_prefix_dir}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
446 [ -z "${file}" ] || ext=".${file##*.}"
447 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${core_prefix_dir}/bin/${CT_TARGET}-cc${ext}"
449 if [ "${CT_MULTILIB}" = "y" ]; then
450 multilibs=( $( "${core_prefix_dir}/bin/${CT_TARGET}-gcc" -print-multi-lib \
452 if [ ${#multilibs[@]} -ne 0 ]; then
453 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
454 for i in "${multilibs[@]}"; do
457 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
460 CT_DoLog WARN "gcc configured for multilib, but none available"
467 #------------------------------------------------------------------------------
470 local -a host_libstdcxx_flags
471 local -a extra_config
472 local -a final_LDFLAGS
475 # If building for bare metal, nothing to be done here, the static core conpiler is enough!
476 [ "${CT_BARE_METAL}" = "y" ] && return 0
478 CT_DoStep INFO "Installing final compiler"
480 mkdir -p "${CT_BUILD_DIR}/build-cc"
481 cd "${CT_BUILD_DIR}/build-cc"
483 CT_DoLog EXTRA "Configuring final compiler"
485 # Enable selected languages
487 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
488 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_opt="${lang_opt},fortran"
489 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_opt="${lang_opt},ada"
490 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_opt="${lang_opt},java"
491 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_opt="${lang_opt},objc"
492 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_opt="${lang_opt},obj-c++"
493 CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
494 CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
495 CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
496 CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
497 lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')
499 extra_config+=("--enable-languages=${lang_opt}")
500 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
501 eval tmp="\${CT_ARCH_WITH_${tmp}}"
502 if [ -n "${tmp}" ]; then
503 extra_config+=("${tmp}")
507 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
508 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
509 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
510 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
512 case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
513 y) extra_config+=("--enable-sjlj-exceptions");;
515 "") extra_config+=("--disable-sjlj-exceptions");;
517 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
518 extra_config+=("--enable-__cxa_atexit")
520 extra_config+=("--disable-__cxa_atexit")
522 if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
523 extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
525 if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
526 extra_config+=(--enable-libmudflap)
528 extra_config+=(--disable-libmudflap)
530 if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
531 extra_config+=(--enable-libgomp)
533 extra_config+=(--disable-libgomp)
535 if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
536 extra_config+=(--enable-libssp)
538 extra_config+=(--disable-libssp)
542 # Keep this full if-else-if-elif-fi-fi block in sync
543 # with the same block in do_cc_core, above.
544 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
545 final_LDFLAGS+=("-static")
546 host_libstdcxx_flags+=("-static-libgcc")
547 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
548 host_libstdcxx_flags+=("-lm")
549 # Companion libraries are build static (eg !shared), so
550 # the libstdc++ is not pulled automatically, although it
551 # is needed. Shoe-horn it in our LDFLAGS
552 # Ditto libm on some Fedora boxen
553 final_LDFLAGS+=("-lstdc++")
554 final_LDFLAGS+=("-lm")
556 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
557 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
559 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
560 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
561 host_libstdcxx_flags+=("-static-libgcc")
562 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
563 host_libstdcxx_flags+=("-lm")
564 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
565 # When companion libraries are build static (eg !shared),
566 # the libstdc++ is not pulled automatically, although it
567 # is needed. Shoe-horn it in our LDFLAGS
568 # Ditto libm on some Fedora boxen
569 final_LDFLAGS+=("-lstdc++")
570 final_LDFLAGS+=("-lm")
574 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
575 extra_config+=("--with-gmp=${CT_COMPLIBS_DIR}")
576 extra_config+=("--with-mpfr=${CT_COMPLIBS_DIR}")
578 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
579 extra_config+=("--with-mpc=${CT_COMPLIBS_DIR}")
581 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
582 extra_config+=("--with-ppl=${CT_COMPLIBS_DIR}")
583 # With PPL 0.11+, also pull libpwl if needed
584 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
585 host_libstdcxx_flags+=("-L${CT_COMPLIBS_DIR}/lib")
586 host_libstdcxx_flags+=("-lpwl")
588 extra_config+=("--with-cloog=${CT_COMPLIBS_DIR}")
589 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
590 extra_config+=("--with-ppl=no")
591 extra_config+=("--with-cloog=no")
593 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
594 extra_config+=("--with-libelf=${CT_COMPLIBS_DIR}")
595 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
596 extra_config+=("--with-libelf=no")
599 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
600 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
603 if [ "${CT_THREADS}" = "none" ]; then
604 extra_config+=("--disable-threads")
605 if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
606 CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
607 extra_config+=("--disable-libgomp")
610 if [ "${CT_THREADS}" = "win32" ]; then
611 extra_config+=("--enable-threads=win32")
612 extra_config+=("--disable-win32-registry")
614 extra_config+=("--enable-threads=posix")
618 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
619 extra_config+=("--enable-target-optspace")
621 if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
622 extra_config+=("--disable-libstdcxx-pch")
625 case "${CT_CC_GCC_LDBL_128}" in
626 y) extra_config+=("--with-long-double-128");;
628 "") extra_config+=("--without-long-double-128");;
631 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
632 extra_config+=( --enable-linker-build-id )
635 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
637 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
640 if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
641 extra_config+=( --enable-plugin )
643 if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
644 extra_config+=( --enable-gold )
649 case "${CT_CC_GCC_mips_llsc}" in
650 y) extra_config+=( --with-llsc );;
652 *) extra_config+=( --without-llsc );;
654 case "${CT_CC_GCC_mips_synci}" in
655 y) extra_config+=( --with-synci );;
657 *) extra_config+=( --without-synci );;
659 if [ "${CT_CC_GCC_mips_plt}" ]; then
660 extra_config+=( --with-mips-plt )
665 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
667 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
668 extra_config+=("--with-system-zlib")
671 if [ "${CT_MULTILIB}" = "y" ]; then
672 extra_config+=("--enable-multilib")
674 extra_config+=("--disable-multilib")
677 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
680 CC_FOR_BUILD="${CT_BUILD}-gcc" \
681 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
682 LDFLAGS="${final_LDFLAGS[*]}" \
683 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
684 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
685 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
686 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
687 --build=${CT_BUILD} \
689 --target=${CT_TARGET} \
690 --prefix="${CT_PREFIX_DIR}" \
692 "${extra_config[@]}" \
693 --with-local-prefix="${CT_SYSROOT_DIR}" \
696 "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
698 if [ "${CT_CANADIAN}" = "y" ]; then
699 CT_DoLog EXTRA "Building libiberty"
700 CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
703 CT_DoLog EXTRA "Building final compiler"
704 CT_DoExecLog ALL make ${JOBSFLAGS} all
706 CT_DoLog EXTRA "Installing final compiler"
707 CT_DoExecLog ALL make ${JOBSFLAGS} install
709 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
710 CT_DoLog EXTRA "Building the GCC manuals"
711 CT_DoExecLog ALL make ${JOBSFLAGS} pdf html
712 CT_DoLog EXTRA "Installing the GCC manuals"
713 CT_DoExecLog ALL make install-{pdf,html}-gcc
716 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
717 # to call the C compiler with the same, somewhat canonical name.
718 # check whether compiler has an extension
719 file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
720 [ -z "${file}" ] || ext=".${file##*.}"
721 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"
723 if [ "${CT_MULTILIB}" = "y" ]; then
724 multilibs=( $( "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc" -print-multi-lib \
726 if [ ${#multilibs[@]} -ne 0 ]; then
727 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
728 for i in "${multilibs[@]}"; do
731 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
734 CT_DoLog WARN "gcc configured for multilib, but none available"