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"
11 if [ "${CT_CC_CUSTOM}" = "y" ]; then
12 CT_GetCustom "gcc" "${CT_CC_VERSION}" "${CT_CC_CUSTOM_LOCATION}"
14 # Account for the Linaro versioning
15 linaro_version="$( echo "${CT_CC_VERSION}" \
16 |sed -r -e 's/^linaro-//;' \
18 linaro_series="$( echo "${linaro_version}" \
19 |sed -r -e 's/-.*//;' \
22 # Ah! gcc folks are kind of 'different': they store the tarballs in
23 # subdirectories of the same name!
24 # Arrgghh! Some of those versions does not follow this convention:
25 # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a
27 CT_GetFile "gcc-${CT_CC_VERSION}" \
28 {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/gcc-${CT_CC_VERSION}} \
29 ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/releases/gcc-${CT_CC_VERSION} \
30 ftp://ftp.uvsq.fr/pub/gcc/snapshots/${CT_CC_VERSION} \
31 "${linaro_base_url}/${linaro_series}/${linaro_version}/+download"
33 fi # ! custom location
34 # Starting with GCC 4.3, ecj is used for Java, and will only be
35 # built if the configure script finds ecj.jar at the top of the
36 # GCC source tree, which will not be there unless we get it and
37 # put it there ourselves
38 if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" ]; then
39 CT_GetFile ecj-latest .jar ftp://gcc.gnu.org/pub/java \
40 ftp://sourceware.org/pub/java
46 # If using custom directory location, nothing to do
47 if [ "${CT_CC_CUSTOM}" = "y" \
48 -a -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}" ]; then
52 CT_Extract "gcc-${CT_CC_VERSION}"
53 CT_Patch "gcc" "${CT_CC_VERSION}"
55 # Copy ecj-latest.jar to ecj.jar at the top of the GCC source tree
56 if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" \
57 -a ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar" \
59 CT_DoExecLog ALL cp -v "${CT_TARBALLS_DIR}/ecj-latest.jar" "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"
63 #------------------------------------------------------------------------------
64 # This function builds up the set of languages to enable
65 # No argument expected, returns the comma-separated language list on stdout
70 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_list+=",c++"
71 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_list+=",fortran"
72 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_list+=",ada"
73 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_list+=",java"
74 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_list+=",objc"
75 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_list+=",obj-c++"
76 lang_list+="${CT_CC_LANG_OTHERS:+,${CT_CC_LANG_OTHERS}}"
78 printf "%s" "${lang_list}"
81 #------------------------------------------------------------------------------
86 if [ "${CT_CC_CORE_PASSES_NEEDED}" != "y" ]; then
90 core_opts+=( "mode=static" )
91 core_opts+=( "host=${CT_BUILD}" )
92 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
93 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
94 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
95 core_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
96 core_opts+=( "lang_list=c" )
98 CT_DoStep INFO "Installing pass-1 core C compiler"
99 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-1"
101 do_cc_core_backend "${core_opts[@]}"
108 do_cc_core_pass_2() {
111 if [ "${CT_CC_CORE_PASSES_NEEDED}" != "y" ]; then
116 core_opts+=( "host=${CT_BUILD}" )
117 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
118 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
119 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
120 core_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
121 core_opts+=( "lang_list=c" )
123 # Different conditions are at stake here:
124 # - In case the threading model is NPTL, we need a shared-capable core
125 # gcc; in all other cases, we need a static-only core gcc.
126 # - In case the threading model is NPTL or win32, or gcc is 4.3 or
127 # later, we need to build libgcc
128 case "${CT_THREADS}" in
130 core_opts+=( "mode=shared" )
131 core_opts+=( "build_libgcc=yes" )
134 core_opts+=( "mode=static" )
135 core_opts+=( "build_libgcc=yes" )
138 core_opts+=( "mode=static" )
139 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
140 core_opts+=( "build_libgcc=yes" )
145 CT_DoStep INFO "Installing pass-2 core C compiler"
146 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-2"
148 do_cc_core_backend "${core_opts[@]}"
154 #------------------------------------------------------------------------------
156 # This function is used to build the core C compiler.
157 # Usage: do_cc_core_backend param=value [...]
158 # Parameter : Definition : Type : Default
159 # mode : build a 'static', 'shared' or 'baremetal' : string : (none)
160 # host : the machine the core will run on : tuple : (none)
161 # prefix : dir prefix to install into : dir : (none)
162 # complibs : dir where complibs are isntalled : dir : (none)
163 # lang_list : the list of languages to build : string : (empty)
164 # build_libgcc : build libgcc or not : bool : no
165 # build_libstdcxx : build libstdc++ or not : bool : no
166 # build_staticlinked : build statically linked or not : bool : no
167 # build_manuals : whether to build manuals or not : bool : no
168 # cflags : cflags to use : string : (empty)
169 # ldflags : ldflags to use : string : (empty)
170 # Usage: do_cc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]
171 do_cc_core_backend() {
173 local build_libgcc=no
174 local build_libstdcxx=no
175 local build_staticlinked=no
176 local build_manuals=no
184 local -a host_libstdcxx_flags
185 local -a extra_config
186 local -a core_LDFLAGS
187 local -a core_targets
194 CT_DoLog EXTRA "Configuring gcc"
198 extra_config+=("--with-newlib")
199 extra_config+=("--enable-threads=no")
200 extra_config+=("--disable-shared")
201 copy_headers=y # For baremetal, as there's no headers to copy,
202 # we copy an empty directory. So, who cares?
205 extra_config+=("--enable-shared")
209 extra_config+=("--with-newlib")
210 extra_config+=("--enable-threads=no")
211 extra_config+=("--disable-shared")
215 CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
219 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
220 # Bare metal delivers the core compiler as final compiler, so add version info and bugurl
221 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
222 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
225 if [ "${copy_headers}" = "y" ]; then
226 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
227 CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${prefix}/${CT_TARGET}/include"
230 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
231 eval tmp="\${CT_ARCH_WITH_${tmp}}"
232 if [ -n "${tmp}" ]; then
233 extra_config+=("${tmp}")
236 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
237 extra_config+=("--enable-__cxa_atexit")
239 extra_config+=("--disable-__cxa_atexit")
242 core_LDFLAGS+=("${ldflags}")
245 # Keep this full if-else-if-elif-fi-fi block in sync
246 # with the same block in do_cc, below.
247 if [ "${build_staticlinked}" = "yes" ]; then
248 core_LDFLAGS+=("-static")
249 host_libstdcxx_flags+=("-static-libgcc")
250 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
251 host_libstdcxx_flags+=("-lm")
252 # Companion libraries are build static (eg !shared), so
253 # the libstdc++ is not pulled automatically, although it
254 # is needed. Shoe-horn it in our LDFLAGS
255 # Ditto libm on some Fedora boxen
256 core_LDFLAGS+=("-lstdc++")
257 core_LDFLAGS+=("-lm")
259 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
260 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
262 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
263 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
264 host_libstdcxx_flags+=("-static-libgcc")
265 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
266 host_libstdcxx_flags+=("-lm")
267 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
268 # When companion libraries are build static (eg !shared),
269 # the libstdc++ is not pulled automatically, although it
270 # is needed. Shoe-horn it in our LDFLAGS
271 # Ditto libm on some Fedora boxen
272 core_LDFLAGS+=("-lstdc++")
273 core_LDFLAGS+=("-lm")
277 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
278 extra_config+=("--with-gmp=${complibs}")
279 extra_config+=("--with-mpfr=${complibs}")
281 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
282 extra_config+=("--with-mpc=${complibs}")
284 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
285 extra_config+=("--with-ppl=${complibs}")
286 # With PPL 0.11+, also pull libpwl if needed
287 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
288 host_libstdcxx_flags+=("-L${complibs}/lib")
289 host_libstdcxx_flags+=("-lpwl")
291 extra_config+=("--with-cloog=${complibs}")
292 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
293 extra_config+=("--with-ppl=no")
294 extra_config+=("--with-cloog=no")
296 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
297 extra_config+=("--with-libelf=${complibs}")
298 extra_config+=("--enable-lto")
299 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
300 extra_config+=("--with-libelf=no")
301 extra_config+=("--disable-lto")
304 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
305 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
308 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
309 extra_config+=("--enable-target-optspace")
312 case "${CT_CC_GCC_LDBL_128}" in
313 y) extra_config+=("--with-long-double-128");;
315 "") extra_config+=("--without-long-double-128");;
318 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
319 extra_config+=( --enable-linker-build-id )
322 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
324 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
329 case "${CT_CC_GCC_mips_llsc}" in
330 y) extra_config+=( --with-llsc );;
332 *) extra_config+=( --without-llsc );;
334 case "${CT_CC_GCC_mips_synci}" in
335 y) extra_config+=( --with-synci );;
337 *) extra_config+=( --without-synci );;
339 if [ "${CT_CC_GCC_mips_plt}" ]; then
340 extra_config+=( --with-mips-plt )
345 extra_config+=(--disable-libgomp)
346 extra_config+=(--disable-libmudflap)
348 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
350 [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")
352 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
353 extra_config+=("--with-system-zlib")
356 if [ "${CT_MULTILIB}" = "y" ]; then
357 extra_config+=("--enable-multilib")
359 extra_config+=("--disable-multilib")
362 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
364 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
366 CC_FOR_BUILD="${CT_BUILD}-gcc" \
368 LDFLAGS="${core_LDFLAGS[*]}" \
369 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
370 --build=${CT_BUILD} \
372 --target=${CT_TARGET} \
373 --prefix="${prefix}" \
374 --with-local-prefix="${CT_SYSROOT_DIR}" \
375 --disable-libmudflap \
376 ${CC_CORE_SYSROOT_ARG} \
377 "${extra_config[@]}" \
378 --enable-languages="${lang_list}" \
379 "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"
381 if [ "${build_libgcc}" = "yes" ]; then
382 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
383 # gcc/config/t-libunwind so -lc is removed from the link for
384 # libgcc_s.so, as we do not have a target -lc yet.
385 # This is not as ugly as it appears to be ;-) All symbols get resolved
386 # during the glibc build, and we provide a proper libgcc_s.so for the
387 # cross toolchain during the final gcc build.
389 # As we cannot modify the source tree, nor override SHLIB_LC itself
390 # during configure or make, we have to edit the resultant
391 # gcc/libgcc.mk itself to remove -lc from the link.
392 # This causes us to have to jump through some hoops...
394 # To produce libgcc.mk to edit we firstly require libiberty.a,
395 # so we configure then build it.
396 # Next we have to configure gcc, create libgcc.mk then edit it...
397 # So much easier if we just edit the source tree, but hey...
398 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
399 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty
400 CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
401 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp
402 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
404 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty
405 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
407 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
408 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
409 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber
410 CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
413 # Starting with GCC 4.3, libgcc.mk is no longer built,
414 # and libgcc.mvars is used instead.
416 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
417 libgcc_rule="libgcc.mvars"
418 core_targets=( gcc target-libgcc )
420 libgcc_rule="libgcc.mk"
424 # On bare metal and canadian build the host-compiler is used when
425 # actually the build-system compiler is required. Choose the correct
426 # compilers for canadian build and use the defaults on other
428 if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
429 repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
430 GCC_FOR_TARGET=${CT_TARGET}-gcc"
435 CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
437 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
441 if [ "${build_libstdcxx}" = "yes" \
442 -a "${CT_CC_LANG_CXX}" = "y" \
444 core_targets+=( target-libstdc++-v3 )
447 CT_DoLog EXTRA "Building gcc"
448 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
450 CT_DoLog EXTRA "Installing gcc"
451 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"
453 if [ "${build_manuals}" = "yes" ]; then
454 CT_DoLog EXTRA "Building the GCC manuals"
455 CT_DoExecLog ALL make pdf html
456 CT_DoLog EXTRA "Installing the GCC manuals"
457 CT_DoExecLog ALL make install-{pdf,html}-gcc
460 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
461 # to call the C compiler with the same, somewhat canonical name.
462 # check whether compiler has an extension
463 file="$( ls -1 "${prefix}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
464 [ -z "${file}" ] || ext=".${file##*.}"
465 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
467 if [ "${CT_MULTILIB}" = "y" ]; then
468 if [ "${CT_CANADIAN}" = "y" -a "${mode}" = "baremetal" \
469 -a "${host}" = "${CT_HOST}" ]; then
470 CT_DoLog WARN "Canadian Cross unable to confirm multilibs configured correctly"
472 multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib \
474 if [ ${#multilibs[@]} -ne 0 ]; then
475 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
476 for i in "${multilibs[@]}"; do
479 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
482 CT_DoLog WARN "gcc configured for multilib, but none available"
488 #------------------------------------------------------------------------------
489 # Build complete gcc to run on build
491 local -a build_final_opts
492 local build_final_backend
494 # In case we're canadian or cross-native, it seems that a
495 # real, complete compiler is needed?!? WTF? Sigh...
496 # Otherwise, there is nothing to do.
497 case "${CT_TOOLCHAIN_TYPE}" in
498 native|cross) return 0;;
501 build_final_opts+=( "host=${CT_BUILD}" )
502 build_final_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
503 build_final_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
504 build_final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
505 if [ "${CT_BARE_METAL}" = "y" ]; then
506 # In the tests I've done, bare-metal was not impacted by the
507 # lack of such a compiler, but better safe than sorry...
508 build_final_opts+=( "mode=baremetal" )
509 build_final_opts+=( "build_libgcc=yes" )
510 build_final_opts+=( "build_libstdcxx=yes" )
511 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
512 build_final_opts+=( "build_staticlinked=yes" )
514 build_final_backend=do_cc_core_backend
516 build_final_backend=do_cc_backend
519 CT_DoStep INFO "Installing final compiler for build"
520 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final-build-${CT_BUILD}"
522 "${build_final_backend}" "${build_final_opts[@]}"
528 #------------------------------------------------------------------------------
529 # Build final gcc to run on host
534 final_opts+=( "host=${CT_HOST}" )
535 final_opts+=( "prefix=${CT_PREFIX_DIR}" )
536 final_opts+=( "complibs=${CT_HOST_COMPLIBS_DIR}" )
537 final_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
538 final_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
539 final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
540 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
541 final_opts+=( "build_manuals=yes" )
543 if [ "${CT_BARE_METAL}" = "y" ]; then
544 final_opts+=( "mode=baremetal" )
545 final_opts+=( "build_libgcc=yes" )
546 final_opts+=( "build_libstdcxx=yes" )
547 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
548 final_opts+=( "build_staticlinked=yes" )
550 final_backend=do_cc_core_backend
552 final_backend=do_cc_backend
555 CT_DoStep INFO "Installing final compiler"
556 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final"
558 "${final_backend}" "${final_opts[@]}"
564 #------------------------------------------------------------------------------
565 # Build the final gcc
566 # Usage: do_cc_backend param=value [...]
567 # Parameter : Definition : Type : Default
568 # host : the host we run onto : tuple : (none)
569 # prefix : the runtime prefix : dir : (none)
570 # complibs : the companion libraries prefix : dir : (none)
571 # cflags : cflags to use : string : (empty)
572 # ldflags : ldflags to use : string : (empty)
573 # lang_list : the list of languages to build : string : (empty)
574 # build_manuals : whether to build manuals or not : bool : no
583 local -a host_libstdcxx_flags
584 local -a extra_config
585 local -a final_LDFLAGS
593 CT_DoLog EXTRA "Configuring gcc"
595 # Enable selected languages
596 extra_config+=("--enable-languages=${lang_list}")
598 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
599 eval tmp="\${CT_ARCH_WITH_${tmp}}"
600 if [ -n "${tmp}" ]; then
601 extra_config+=("${tmp}")
605 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
606 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
607 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
608 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
610 case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
611 y) extra_config+=("--enable-sjlj-exceptions");;
613 "") extra_config+=("--disable-sjlj-exceptions");;
615 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
616 extra_config+=("--enable-__cxa_atexit")
618 extra_config+=("--disable-__cxa_atexit")
620 if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
621 extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
623 if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
624 extra_config+=(--enable-libmudflap)
626 extra_config+=(--disable-libmudflap)
628 if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
629 extra_config+=(--enable-libgomp)
631 extra_config+=(--disable-libgomp)
633 if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
634 extra_config+=(--enable-libssp)
636 extra_config+=(--disable-libssp)
638 if [ "${CT_CC_GCC_HAS_LIBQUADMATH}" = "y" ]; then
639 if [ "${CT_CC_GCC_LIBQUADMATH}" = "y" ]; then
640 extra_config+=(--enable-libquadmath)
641 extra_config+=(--enable-libquadmath-support)
643 extra_config+=(--disable-libquadmath)
644 extra_config+=(--disable-libquadmath-support)
648 final_LDFLAGS+=("${ldflags}")
651 # Keep this full if-else-if-elif-fi-fi block in sync
652 # with the same block in do_cc_core, above.
653 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
654 final_LDFLAGS+=("-static")
655 host_libstdcxx_flags+=("-static-libgcc")
656 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
657 host_libstdcxx_flags+=("-lm")
658 # Companion libraries are build static (eg !shared), so
659 # the libstdc++ is not pulled automatically, although it
660 # is needed. Shoe-horn it in our LDFLAGS
661 # Ditto libm on some Fedora boxen
662 final_LDFLAGS+=("-lstdc++")
663 final_LDFLAGS+=("-lm")
665 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
666 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
668 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
669 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
670 host_libstdcxx_flags+=("-static-libgcc")
671 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
672 host_libstdcxx_flags+=("-lm")
673 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
674 # When companion libraries are build static (eg !shared),
675 # the libstdc++ is not pulled automatically, although it
676 # is needed. Shoe-horn it in our LDFLAGS
677 # Ditto libm on some Fedora boxen
678 final_LDFLAGS+=("-lstdc++")
679 final_LDFLAGS+=("-lm")
683 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
684 extra_config+=("--with-gmp=${complibs}")
685 extra_config+=("--with-mpfr=${complibs}")
687 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
688 extra_config+=("--with-mpc=${complibs}")
690 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
691 extra_config+=("--with-ppl=${complibs}")
692 # With PPL 0.11+, also pull libpwl if needed
693 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
694 host_libstdcxx_flags+=("-L${complibs}/lib")
695 host_libstdcxx_flags+=("-lpwl")
697 extra_config+=("--with-cloog=${complibs}")
698 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
699 extra_config+=("--with-ppl=no")
700 extra_config+=("--with-cloog=no")
702 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
703 extra_config+=("--with-libelf=${complibs}")
704 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
705 extra_config+=("--with-libelf=no")
708 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
709 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
712 if [ "${CT_THREADS}" = "none" ]; then
713 extra_config+=("--disable-threads")
714 if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
715 CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
716 extra_config+=("--disable-libgomp")
719 if [ "${CT_THREADS}" = "win32" ]; then
720 extra_config+=("--enable-threads=win32")
721 extra_config+=("--disable-win32-registry")
723 extra_config+=("--enable-threads=posix")
727 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
728 extra_config+=("--enable-target-optspace")
730 if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
731 extra_config+=("--disable-libstdcxx-pch")
734 case "${CT_CC_GCC_LDBL_128}" in
735 y) extra_config+=("--with-long-double-128");;
737 "") extra_config+=("--without-long-double-128");;
740 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
741 extra_config+=( --enable-linker-build-id )
744 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
746 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
749 if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
750 extra_config+=( --enable-plugin )
752 if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
753 extra_config+=( --enable-gold )
758 case "${CT_CC_GCC_mips_llsc}" in
759 y) extra_config+=( --with-llsc );;
761 *) extra_config+=( --without-llsc );;
763 case "${CT_CC_GCC_mips_synci}" in
764 y) extra_config+=( --with-synci );;
766 *) extra_config+=( --without-synci );;
768 if [ "${CT_CC_GCC_mips_plt}" ]; then
769 extra_config+=( --with-mips-plt )
774 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
776 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
777 extra_config+=("--with-system-zlib")
780 if [ "${CT_MULTILIB}" = "y" ]; then
781 extra_config+=("--enable-multilib")
783 extra_config+=("--disable-multilib")
786 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
789 CC_FOR_BUILD="${CT_BUILD}-gcc" \
791 LDFLAGS="${final_LDFLAGS[*]}" \
792 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
793 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
794 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
795 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
796 --build=${CT_BUILD} \
798 --target=${CT_TARGET} \
799 --prefix="${prefix}" \
801 "${extra_config[@]}" \
802 --with-local-prefix="${CT_SYSROOT_DIR}" \
805 "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
807 if [ "${CT_CANADIAN}" = "y" ]; then
808 CT_DoLog EXTRA "Building libiberty"
809 CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
812 CT_DoLog EXTRA "Building gcc"
813 CT_DoExecLog ALL make ${JOBSFLAGS} all
815 CT_DoLog EXTRA "Installing gcc"
816 CT_DoExecLog ALL make ${JOBSFLAGS} install
818 if [ "${build_manuals}" = "yes" ]; then
819 CT_DoLog EXTRA "Building the GCC manuals"
820 CT_DoExecLog ALL make pdf html
821 CT_DoLog EXTRA "Installing the GCC manuals"
822 CT_DoExecLog ALL make install-{pdf,html}-gcc
825 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
826 # to call the C compiler with the same, somewhat canonical name.
827 # check whether compiler has an extension
828 file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
829 [ -z "${file}" ] || ext=".${file##*.}"
830 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"
832 if [ "${CT_MULTILIB}" = "y" ]; then
833 if [ "${CT_CANADIAN}" = "y" ]; then
834 CT_DoLog WARN "Canadian Cross unable to confirm multilibs configured correctly"
836 multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib \
838 if [ ${#multilibs[@]} -ne 0 ]; then
839 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
840 for i in "${multilibs[@]}"; do
843 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
846 CT_DoLog WARN "gcc configured for multilib, but none available"