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" "${lang_list}"
81 #------------------------------------------------------------------------------
86 core_opts+=( "mode=static" )
87 core_opts+=( "host=${CT_BUILD}" )
88 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
89 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
90 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
91 core_opts+=( "lang_list=c" )
93 CT_DoStep INFO "Installing pass-1 core C compiler"
94 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-1"
96 do_cc_core_backend "${core_opts[@]}"
103 do_cc_core_pass_2() {
107 core_opts+=( "host=${CT_BUILD}" )
108 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
109 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
110 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
111 core_opts+=( "lang_list=c" )
113 # Different conditions are at stake here:
114 # - In case the threading model is NPTL, we need a shared-capable core
115 # gcc; in all other cases, we need a static-only core gcc.
116 # - In case the threading model is NPTL or win32, or gcc is 4.3 or
117 # later, we need to build libgcc
118 case "${CT_THREADS}" in
120 core_opts+=( "mode=shared" )
121 core_opts+=( "build_libgcc=yes" )
124 core_opts+=( "mode=static" )
125 core_opts+=( "build_libgcc=yes" )
128 core_opts+=( "mode=static" )
129 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
130 core_opts+=( "build_libgcc=yes" )
135 CT_DoStep INFO "Installing pass-2 core C compiler"
136 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-2"
138 do_cc_core_backend "${core_opts[@]}"
144 #------------------------------------------------------------------------------
146 # This function is used to build the core C compiler.
147 # Usage: do_cc_core_backend param=value [...]
148 # Parameter : Definition : Type : Default
149 # mode : build a 'static', 'shared' or 'baremetal' : string : (none)
150 # host : the machine the core will run on : tuple : (none)
151 # prefix : dir prefix to install into : dir : (none)
152 # complibs : dir where complibs are isntalled : dir : (none)
153 # lang_list : the list of languages to build : string : (empty)
154 # build_libgcc : build libgcc or not : bool : no
155 # build_libstdcxx : build libstdc++ or not : bool : no
156 # build_staticlinked : build statically linked or not : bool : no
157 # build_manuals : whether to build manuals or not : bool : no
158 # cflags : host CFLAGS to use : string : (empty)
159 # Usage: do_cc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]
160 do_cc_core_backend() {
162 local build_libgcc=no
163 local build_libstdcxx=no
164 local build_staticlinked=no
165 local build_manuals=no
172 local -a host_libstdcxx_flags
173 local -a extra_config
174 local -a core_LDFLAGS
175 local -a core_targets
182 CT_DoLog EXTRA "Configuring core C compiler"
186 extra_config+=("--with-newlib")
187 extra_config+=("--enable-threads=no")
188 extra_config+=("--disable-shared")
189 copy_headers=y # For baremetal, as there's no headers to copy,
190 # we copy an empty directory. So, who cares?
193 extra_config+=("--enable-shared")
197 extra_config+=("--with-newlib")
198 extra_config+=("--enable-threads=no")
199 extra_config+=("--disable-shared")
203 CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
207 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
208 # Bare metal delivers the core compiler as final compiler, so add version info and bugurl
209 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
210 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
213 if [ "${copy_headers}" = "y" ]; then
214 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
215 CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${prefix}/${CT_TARGET}/include"
218 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
219 eval tmp="\${CT_ARCH_WITH_${tmp}}"
220 if [ -n "${tmp}" ]; then
221 extra_config+=("${tmp}")
224 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
225 extra_config+=("--enable-__cxa_atexit")
227 extra_config+=("--disable-__cxa_atexit")
231 # Keep this full if-else-if-elif-fi-fi block in sync
232 # with the same block in do_cc, below.
233 if [ "${build_staticlinked}" = "yes" ]; then
234 core_LDFLAGS+=("-static")
235 host_libstdcxx_flags+=("-static-libgcc")
236 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
237 host_libstdcxx_flags+=("-lm")
238 # Companion libraries are build static (eg !shared), so
239 # the libstdc++ is not pulled automatically, although it
240 # is needed. Shoe-horn it in our LDFLAGS
241 # Ditto libm on some Fedora boxen
242 core_LDFLAGS+=("-lstdc++")
243 core_LDFLAGS+=("-lm")
245 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
246 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
248 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
249 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
250 host_libstdcxx_flags+=("-static-libgcc")
251 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
252 host_libstdcxx_flags+=("-lm")
253 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
254 # When companion libraries are build static (eg !shared),
255 # the libstdc++ is not pulled automatically, although it
256 # is needed. Shoe-horn it in our LDFLAGS
257 # Ditto libm on some Fedora boxen
258 core_LDFLAGS+=("-lstdc++")
259 core_LDFLAGS+=("-lm")
263 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
264 extra_config+=("--with-gmp=${complibs}")
265 extra_config+=("--with-mpfr=${complibs}")
267 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
268 extra_config+=("--with-mpc=${complibs}")
270 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
271 extra_config+=("--with-ppl=${complibs}")
272 # With PPL 0.11+, also pull libpwl if needed
273 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
274 host_libstdcxx_flags+=("-L${complibs}/lib")
275 host_libstdcxx_flags+=("-lpwl")
277 extra_config+=("--with-cloog=${complibs}")
278 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
279 extra_config+=("--with-ppl=no")
280 extra_config+=("--with-cloog=no")
282 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
283 extra_config+=("--with-libelf=${complibs}")
284 extra_config+=("--enable-lto")
285 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
286 extra_config+=("--with-libelf=no")
287 extra_config+=("--disable-lto")
290 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
291 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
294 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
295 extra_config+=("--enable-target-optspace")
298 case "${CT_CC_GCC_LDBL_128}" in
299 y) extra_config+=("--with-long-double-128");;
301 "") extra_config+=("--without-long-double-128");;
304 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
305 extra_config+=( --enable-linker-build-id )
308 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
310 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
315 case "${CT_CC_GCC_mips_llsc}" in
316 y) extra_config+=( --with-llsc );;
318 *) extra_config+=( --without-llsc );;
320 case "${CT_CC_GCC_mips_synci}" in
321 y) extra_config+=( --with-synci );;
323 *) extra_config+=( --without-synci );;
325 if [ "${CT_CC_GCC_mips_plt}" ]; then
326 extra_config+=( --with-mips-plt )
331 extra_config+=(--disable-libgomp)
332 extra_config+=(--disable-libmudflap)
334 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
336 [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")
338 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
339 extra_config+=("--with-system-zlib")
342 if [ "${CT_MULTILIB}" = "y" ]; then
343 extra_config+=("--enable-multilib")
345 extra_config+=("--disable-multilib")
348 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
350 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
352 CC_FOR_BUILD="${CT_BUILD}-gcc" \
354 LDFLAGS="${core_LDFLAGS[*]}" \
355 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
356 --build=${CT_BUILD} \
358 --target=${CT_TARGET} \
359 --prefix="${prefix}" \
360 --with-local-prefix="${CT_SYSROOT_DIR}" \
361 --disable-libmudflap \
362 ${CC_CORE_SYSROOT_ARG} \
363 "${extra_config[@]}" \
364 --enable-languages="${lang_list}" \
365 "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"
367 if [ "${build_libgcc}" = "yes" ]; then
368 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
369 # gcc/config/t-libunwind so -lc is removed from the link for
370 # libgcc_s.so, as we do not have a target -lc yet.
371 # This is not as ugly as it appears to be ;-) All symbols get resolved
372 # during the glibc build, and we provide a proper libgcc_s.so for the
373 # cross toolchain during the final gcc build.
375 # As we cannot modify the source tree, nor override SHLIB_LC itself
376 # during configure or make, we have to edit the resultant
377 # gcc/libgcc.mk itself to remove -lc from the link.
378 # This causes us to have to jump through some hoops...
380 # To produce libgcc.mk to edit we firstly require libiberty.a,
381 # so we configure then build it.
382 # Next we have to configure gcc, create libgcc.mk then edit it...
383 # So much easier if we just edit the source tree, but hey...
384 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
385 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty
386 CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
387 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp
388 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
390 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty
391 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
393 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
394 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
395 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber
396 CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
399 # Starting with GCC 4.3, libgcc.mk is no longer built,
400 # and libgcc.mvars is used instead.
402 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
403 libgcc_rule="libgcc.mvars"
404 core_targets=( gcc target-libgcc )
406 libgcc_rule="libgcc.mk"
410 # On bare metal and canadian build the host-compiler is used when
411 # actually the build-system compiler is required. Choose the correct
412 # compilers for canadian build and use the defaults on other
414 if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
415 repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
416 GCC_FOR_TARGET=${CT_TARGET}-gcc"
421 CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
423 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
427 if [ "${build_libstdcxx}" = "yes" \
428 -a "${CT_CC_LANG_CXX}" = "y" \
430 core_targets+=( target-libstdc++-v3 )
433 CT_DoLog EXTRA "Building core C compiler"
434 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
436 CT_DoLog EXTRA "Installing core C compiler"
437 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"
439 if [ "${build_manuals}" = "yes" ]; then
440 CT_DoLog EXTRA "Building the GCC manuals"
441 CT_DoExecLog ALL make pdf html
442 CT_DoLog EXTRA "Installing the GCC manuals"
443 CT_DoExecLog ALL make install-{pdf,html}-gcc
446 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
447 # to call the C compiler with the same, somewhat canonical name.
448 # check whether compiler has an extension
449 file="$( ls -1 "${prefix}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
450 [ -z "${file}" ] || ext=".${file##*.}"
451 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
453 if [ "${CT_MULTILIB}" = "y" ]; then
454 if [ "${CT_CANADIAN}" = "y" -a "${mode}" = "baremetal" \
455 -a "${host}" = "${CT_HOST}" ]; then
456 CT_DoLog WARN "Canadian Cross unable to confirm multilibs configured correctly"
458 multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib \
460 if [ ${#multilibs[@]} -ne 0 ]; then
461 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
462 for i in "${multilibs[@]}"; do
465 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
468 CT_DoLog WARN "gcc configured for multilib, but none available"
474 #------------------------------------------------------------------------------
475 # Build complete gcc to run on build
477 local -a build_final_opts
478 local build_final_backend
480 # In case we're canadian or cross-native, it seems that a
481 # real, complete compiler is needed?!? WTF? Sigh...
482 # Otherwise, there is nothing to do.
483 case "${CT_TOOLCHAIN_TYPE}" in
484 native|cross) return 0;;
487 build_final_opts+=( "host=${CT_BUILD}" )
488 build_final_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
489 build_final_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
490 build_final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
491 if [ "${CT_BARE_METAL}" = "y" ]; then
492 # In the tests I've done, bare-metal was not impacted by the
493 # lack of such a compiler, but better safe than sorry...
494 build_final_opts+=( "mode=baremetal" )
495 build_final_opts+=( "build_libgcc=yes" )
496 build_final_opts+=( "build_libstdcxx=yes" )
497 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
498 build_final_opts+=( "build_staticlinked=yes" )
500 build_final_backend=do_cc_core_backend
502 build_final_backend=do_cc_backend
505 CT_DoStep INFO "Installing final compiler for build"
506 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final-build-${CT_BUILD}"
508 "${build_final_backend}" "${build_final_opts[@]}"
514 #------------------------------------------------------------------------------
515 # Build final gcc to run on host
520 final_opts+=( "host=${CT_HOST}" )
521 final_opts+=( "prefix=${CT_PREFIX_DIR}" )
522 final_opts+=( "complibs=${CT_HOST_COMPLIBS_DIR}" )
523 final_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
524 final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
525 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
526 final_opts+=( "build_manuals=yes" )
528 if [ "${CT_BARE_METAL}" = "y" ]; then
529 final_opts+=( "mode=baremetal" )
530 final_opts+=( "build_libgcc=yes" )
531 final_opts+=( "build_libstdcxx=yes" )
532 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
533 final_opts+=( "build_staticlinked=yes" )
535 final_backend=do_cc_core_backend
537 final_backend=do_cc_backend
540 CT_DoStep INFO "Installing final compiler"
541 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final"
543 "${final_backend}" "${final_opts[@]}"
549 #------------------------------------------------------------------------------
550 # Build the final gcc
551 # Usage: do_cc_backend param=value [...]
552 # Parameter : Definition : Type : Default
553 # host : the host we run onto : tuple : (none)
554 # prefix : the runtime prefix : dir : (none)
555 # complibs : the companion libraries prefix : dir : (none)
556 # cflags : the host CFLAGS : string : (empty)
557 # lang_list : the list of languages to build : string : (empty)
558 # build_manuals : whether to build manuals or not : bool : no
566 local -a host_libstdcxx_flags
567 local -a extra_config
568 local -a final_LDFLAGS
576 CT_DoLog EXTRA "Configuring final compiler"
578 # Enable selected languages
579 extra_config+=("--enable-languages=${lang_list}")
581 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
582 eval tmp="\${CT_ARCH_WITH_${tmp}}"
583 if [ -n "${tmp}" ]; then
584 extra_config+=("${tmp}")
588 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
589 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
590 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
591 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
593 case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
594 y) extra_config+=("--enable-sjlj-exceptions");;
596 "") extra_config+=("--disable-sjlj-exceptions");;
598 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
599 extra_config+=("--enable-__cxa_atexit")
601 extra_config+=("--disable-__cxa_atexit")
603 if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
604 extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
606 if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
607 extra_config+=(--enable-libmudflap)
609 extra_config+=(--disable-libmudflap)
611 if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
612 extra_config+=(--enable-libgomp)
614 extra_config+=(--disable-libgomp)
616 if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
617 extra_config+=(--enable-libssp)
619 extra_config+=(--disable-libssp)
621 if [ "${CT_CC_GCC_HAS_LIBQUADMATH}" = "y" ]; then
622 if [ "${CT_CC_GCC_LIBQUADMATH}" = "y" ]; then
623 extra_config+=(--enable-libquadmath)
624 extra_config+=(--enable-libquadmath-support)
626 extra_config+=(--disable-libquadmath)
627 extra_config+=(--disable-libquadmath-support)
632 # Keep this full if-else-if-elif-fi-fi block in sync
633 # with the same block in do_cc_core, above.
634 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
635 final_LDFLAGS+=("-static")
636 host_libstdcxx_flags+=("-static-libgcc")
637 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
638 host_libstdcxx_flags+=("-lm")
639 # Companion libraries are build static (eg !shared), so
640 # the libstdc++ is not pulled automatically, although it
641 # is needed. Shoe-horn it in our LDFLAGS
642 # Ditto libm on some Fedora boxen
643 final_LDFLAGS+=("-lstdc++")
644 final_LDFLAGS+=("-lm")
646 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
647 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
649 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
650 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
651 host_libstdcxx_flags+=("-static-libgcc")
652 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
653 host_libstdcxx_flags+=("-lm")
654 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
655 # When companion libraries are build static (eg !shared),
656 # the libstdc++ is not pulled automatically, although it
657 # is needed. Shoe-horn it in our LDFLAGS
658 # Ditto libm on some Fedora boxen
659 final_LDFLAGS+=("-lstdc++")
660 final_LDFLAGS+=("-lm")
664 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
665 extra_config+=("--with-gmp=${complibs}")
666 extra_config+=("--with-mpfr=${complibs}")
668 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
669 extra_config+=("--with-mpc=${complibs}")
671 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
672 extra_config+=("--with-ppl=${complibs}")
673 # With PPL 0.11+, also pull libpwl if needed
674 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
675 host_libstdcxx_flags+=("-L${complibs}/lib")
676 host_libstdcxx_flags+=("-lpwl")
678 extra_config+=("--with-cloog=${complibs}")
679 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
680 extra_config+=("--with-ppl=no")
681 extra_config+=("--with-cloog=no")
683 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
684 extra_config+=("--with-libelf=${complibs}")
685 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
686 extra_config+=("--with-libelf=no")
689 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
690 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
693 if [ "${CT_THREADS}" = "none" ]; then
694 extra_config+=("--disable-threads")
695 if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
696 CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
697 extra_config+=("--disable-libgomp")
700 if [ "${CT_THREADS}" = "win32" ]; then
701 extra_config+=("--enable-threads=win32")
702 extra_config+=("--disable-win32-registry")
704 extra_config+=("--enable-threads=posix")
708 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
709 extra_config+=("--enable-target-optspace")
711 if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
712 extra_config+=("--disable-libstdcxx-pch")
715 case "${CT_CC_GCC_LDBL_128}" in
716 y) extra_config+=("--with-long-double-128");;
718 "") extra_config+=("--without-long-double-128");;
721 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
722 extra_config+=( --enable-linker-build-id )
725 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
727 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
730 if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
731 extra_config+=( --enable-plugin )
733 if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
734 extra_config+=( --enable-gold )
739 case "${CT_CC_GCC_mips_llsc}" in
740 y) extra_config+=( --with-llsc );;
742 *) extra_config+=( --without-llsc );;
744 case "${CT_CC_GCC_mips_synci}" in
745 y) extra_config+=( --with-synci );;
747 *) extra_config+=( --without-synci );;
749 if [ "${CT_CC_GCC_mips_plt}" ]; then
750 extra_config+=( --with-mips-plt )
755 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
757 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
758 extra_config+=("--with-system-zlib")
761 if [ "${CT_MULTILIB}" = "y" ]; then
762 extra_config+=("--enable-multilib")
764 extra_config+=("--disable-multilib")
767 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
770 CC_FOR_BUILD="${CT_BUILD}-gcc" \
772 LDFLAGS="${final_LDFLAGS[*]}" \
773 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
774 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
775 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
776 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
777 --build=${CT_BUILD} \
779 --target=${CT_TARGET} \
780 --prefix="${prefix}" \
782 "${extra_config[@]}" \
783 --with-local-prefix="${CT_SYSROOT_DIR}" \
786 "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
788 if [ "${CT_CANADIAN}" = "y" ]; then
789 CT_DoLog EXTRA "Building libiberty"
790 CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
793 CT_DoLog EXTRA "Building final compiler"
794 CT_DoExecLog ALL make ${JOBSFLAGS} all
796 CT_DoLog EXTRA "Installing final compiler"
797 CT_DoExecLog ALL make ${JOBSFLAGS} install
799 if [ "${build_manuals}" = "yes" ]; then
800 CT_DoLog EXTRA "Building the GCC manuals"
801 CT_DoExecLog ALL make pdf html
802 CT_DoLog EXTRA "Installing the GCC manuals"
803 CT_DoExecLog ALL make install-{pdf,html}-gcc
806 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
807 # to call the C compiler with the same, somewhat canonical name.
808 # check whether compiler has an extension
809 file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
810 [ -z "${file}" ] || ext=".${file##*.}"
811 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"
813 if [ "${CT_MULTILIB}" = "y" ]; then
814 if [ "${CT_CANADIAN}" = "y" ]; then
815 CT_DoLog WARN "Canadian Cross unable to confirm multilibs configured correctly"
817 multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib \
819 if [ ${#multilibs[@]} -ne 0 ]; then
820 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
821 for i in "${multilibs[@]}"; do
824 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
827 CT_DoLog WARN "gcc configured for multilib, but none available"