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
7 if [ -n "${CT_CC_V_SVN}" ]; then
11 if [ "${CT_GCC_HTTP}" = "y" ]; then
12 svn_base="http://gcc.gnu.org/svn/gcc"
14 svn_base="svn://gcc.gnu.org/svn/gcc"
17 svn_base+="/${CT_GCC_BRANCH:-trunk}"
19 CT_CC_VERSION="${CT_GCC_BRANCH//\//_}"
21 CT_GetSVN "gcc-${CT_CC_VERSION}" \
23 "${CT_GCC_REVISION:-HEAD}"
27 local linaro_base_url="http://launchpad.net/gcc-linaro"
30 # Account for the Linaro versioning
31 linaro_version="$( echo "${CT_CC_VERSION}" \
32 |sed -r -e 's/^linaro-//;' \
34 linaro_series="$( echo "${linaro_version}" \
35 |sed -r -e 's/-.*//;' \
38 # Ah! gcc folks are kind of 'different': they store the tarballs in
39 # subdirectories of the same name!
40 # Arrgghh! Some of those versions does not follow this convention:
41 # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a
43 CT_GetFile "gcc-${CT_CC_VERSION}" \
44 {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/gcc-${CT_CC_VERSION}} \
45 ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/releases/gcc-${CT_CC_VERSION} \
46 ftp://ftp.uvsq.fr/pub/gcc/snapshots/${CT_CC_VERSION} \
47 "${linaro_base_url}/${linaro_series}/${linaro_version}/+download"
49 fi # -n ${CT_CC_V_SVN}
50 # Starting with GCC 4.3, ecj is used for Java, and will only be
51 # built if the configure script finds ecj.jar at the top of the
52 # GCC source tree, which will not be there unless we get it and
53 # put it there ourselves
54 if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" ]; then
55 CT_GetFile ecj-latest .jar ftp://gcc.gnu.org/pub/java \
56 ftp://sourceware.org/pub/java
62 CT_Extract "gcc-${CT_CC_VERSION}"
63 CT_Patch "gcc" "${CT_CC_VERSION}"
65 # Copy ecj-latest.jar to ecj.jar at the top of the GCC source tree
66 if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" \
67 -a ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar" \
69 CT_DoExecLog ALL cp -v "${CT_TARBALLS_DIR}/ecj-latest.jar" "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"
73 #------------------------------------------------------------------------------
74 # This function builds up the set of languages to enable
75 # No argument expected, returns the comma-separated language list on stdout
80 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_list+=",c++"
81 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_list+=",fortran"
82 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_list+=",ada"
83 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_list+=",java"
84 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_list+=",objc"
85 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_list+=",obj-c++"
86 lang_list+="${CT_CC_LANG_OTHERS:+,${CT_CC_LANG_OTHERS}}"
88 printf "%s" "${lang_list}"
91 #------------------------------------------------------------------------------
96 core_opts+=( "mode=static" )
97 core_opts+=( "host=${CT_BUILD}" )
98 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
99 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
100 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
101 core_opts+=( "lang_list=c" )
103 CT_DoStep INFO "Installing pass-1 core C compiler"
104 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-1"
106 do_cc_core_backend "${core_opts[@]}"
113 do_cc_core_pass_2() {
117 core_opts+=( "host=${CT_BUILD}" )
118 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
119 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
120 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
121 core_opts+=( "lang_list=c" )
123 # Different conditions are at stake here:
124 # - In case the threading model is NPTL, we need a shared-capable core
125 # gcc; in all other cases, we need a static-only core gcc.
126 # - In case the threading model is NPTL or win32, or gcc is 4.3 or
127 # later, we need to build libgcc
128 case "${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 "${core_opts[@]}"
154 #------------------------------------------------------------------------------
156 # This function is used to build the core C compiler.
157 # Usage: do_cc_core_backend param=value [...]
158 # Parameter : Definition : Type : Default
159 # mode : build a 'static', 'shared' or 'baremetal' : string : (none)
160 # host : the machine the core will run on : tuple : (none)
161 # prefix : dir prefix to install into : dir : (none)
162 # complibs : dir where complibs are isntalled : dir : (none)
163 # lang_list : the list of languages to build : string : (empty)
164 # build_libgcc : build libgcc or not : bool : no
165 # build_libstdcxx : build libstdc++ or not : bool : no
166 # build_staticlinked : build statically linked or not : bool : no
167 # build_manuals : whether to build manuals or not : bool : no
168 # cflags : host CFLAGS to use : string : (empty)
169 # Usage: do_cc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]
170 do_cc_core_backend() {
172 local build_libgcc=no
173 local build_libstdcxx=no
174 local build_staticlinked=no
175 local build_manuals=no
182 local -a host_libstdcxx_flags
183 local -a extra_config
184 local -a core_LDFLAGS
185 local -a core_targets
192 CT_DoLog EXTRA "Configuring core C compiler"
196 extra_config+=("--with-newlib")
197 extra_config+=("--enable-threads=no")
198 extra_config+=("--disable-shared")
199 copy_headers=y # For baremetal, as there's no headers to copy,
200 # we copy an empty directory. So, who cares?
203 extra_config+=("--enable-shared")
207 extra_config+=("--with-newlib")
208 extra_config+=("--enable-threads=no")
209 extra_config+=("--disable-shared")
213 CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
217 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
218 # Bare metal delivers the core compiler as final compiler, so add version info and bugurl
219 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
220 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
223 if [ "${copy_headers}" = "y" ]; then
224 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
225 CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${prefix}/${CT_TARGET}/include"
228 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
229 eval tmp="\${CT_ARCH_WITH_${tmp}}"
230 if [ -n "${tmp}" ]; then
231 extra_config+=("${tmp}")
234 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
235 extra_config+=("--enable-__cxa_atexit")
237 extra_config+=("--disable-__cxa_atexit")
241 # Keep this full if-else-if-elif-fi-fi block in sync
242 # with the same block in do_cc, below.
243 if [ "${build_staticlinked}" = "yes" ]; then
244 core_LDFLAGS+=("-static")
245 host_libstdcxx_flags+=("-static-libgcc")
246 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
247 host_libstdcxx_flags+=("-lm")
248 # Companion libraries are build static (eg !shared), so
249 # the libstdc++ is not pulled automatically, although it
250 # is needed. Shoe-horn it in our LDFLAGS
251 # Ditto libm on some Fedora boxen
252 core_LDFLAGS+=("-lstdc++")
253 core_LDFLAGS+=("-lm")
255 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
256 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
258 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
259 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
260 host_libstdcxx_flags+=("-static-libgcc")
261 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
262 host_libstdcxx_flags+=("-lm")
263 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
264 # When companion libraries are build static (eg !shared),
265 # the libstdc++ is not pulled automatically, although it
266 # is needed. Shoe-horn it in our LDFLAGS
267 # Ditto libm on some Fedora boxen
268 core_LDFLAGS+=("-lstdc++")
269 core_LDFLAGS+=("-lm")
273 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
274 extra_config+=("--with-gmp=${complibs}")
275 extra_config+=("--with-mpfr=${complibs}")
277 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
278 extra_config+=("--with-mpc=${complibs}")
280 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
281 extra_config+=("--with-ppl=${complibs}")
282 # With PPL 0.11+, also pull libpwl if needed
283 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
284 host_libstdcxx_flags+=("-L${complibs}/lib")
285 host_libstdcxx_flags+=("-lpwl")
287 extra_config+=("--with-cloog=${complibs}")
288 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
289 extra_config+=("--with-ppl=no")
290 extra_config+=("--with-cloog=no")
292 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
293 extra_config+=("--with-libelf=${complibs}")
294 extra_config+=("--enable-lto")
295 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
296 extra_config+=("--with-libelf=no")
297 extra_config+=("--disable-lto")
300 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
301 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
304 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
305 extra_config+=("--enable-target-optspace")
308 case "${CT_CC_GCC_LDBL_128}" in
309 y) extra_config+=("--with-long-double-128");;
311 "") extra_config+=("--without-long-double-128");;
314 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
315 extra_config+=( --enable-linker-build-id )
318 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
320 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
325 case "${CT_CC_GCC_mips_llsc}" in
326 y) extra_config+=( --with-llsc );;
328 *) extra_config+=( --without-llsc );;
330 case "${CT_CC_GCC_mips_synci}" in
331 y) extra_config+=( --with-synci );;
333 *) extra_config+=( --without-synci );;
335 if [ "${CT_CC_GCC_mips_plt}" ]; then
336 extra_config+=( --with-mips-plt )
341 extra_config+=(--disable-libgomp)
342 extra_config+=(--disable-libmudflap)
344 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
346 [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")
348 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
349 extra_config+=("--with-system-zlib")
352 if [ "${CT_MULTILIB}" = "y" ]; then
353 extra_config+=("--enable-multilib")
355 extra_config+=("--disable-multilib")
358 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
360 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
362 CC_FOR_BUILD="${CT_BUILD}-gcc" \
364 LDFLAGS="${core_LDFLAGS[*]}" \
365 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
366 --build=${CT_BUILD} \
368 --target=${CT_TARGET} \
369 --prefix="${prefix}" \
370 --with-local-prefix="${CT_SYSROOT_DIR}" \
371 --disable-libmudflap \
372 ${CC_CORE_SYSROOT_ARG} \
373 "${extra_config[@]}" \
374 --enable-languages="${lang_list}" \
375 "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"
377 if [ "${build_libgcc}" = "yes" ]; then
378 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
379 # gcc/config/t-libunwind so -lc is removed from the link for
380 # libgcc_s.so, as we do not have a target -lc yet.
381 # This is not as ugly as it appears to be ;-) All symbols get resolved
382 # during the glibc build, and we provide a proper libgcc_s.so for the
383 # cross toolchain during the final gcc build.
385 # As we cannot modify the source tree, nor override SHLIB_LC itself
386 # during configure or make, we have to edit the resultant
387 # gcc/libgcc.mk itself to remove -lc from the link.
388 # This causes us to have to jump through some hoops...
390 # To produce libgcc.mk to edit we firstly require libiberty.a,
391 # so we configure then build it.
392 # Next we have to configure gcc, create libgcc.mk then edit it...
393 # So much easier if we just edit the source tree, but hey...
394 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
395 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty
396 CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
397 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp
398 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
400 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty
401 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
403 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
404 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
405 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber
406 CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
409 # Starting with GCC 4.3, libgcc.mk is no longer built,
410 # and libgcc.mvars is used instead.
412 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
413 libgcc_rule="libgcc.mvars"
414 core_targets=( gcc target-libgcc )
416 libgcc_rule="libgcc.mk"
420 # On bare metal and canadian build the host-compiler is used when
421 # actually the build-system compiler is required. Choose the correct
422 # compilers for canadian build and use the defaults on other
424 if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
425 repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
426 GCC_FOR_TARGET=${CT_TARGET}-gcc"
431 CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
433 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
437 if [ "${build_libstdcxx}" = "yes" \
438 -a "${CT_CC_LANG_CXX}" = "y" \
440 core_targets+=( target-libstdc++-v3 )
443 CT_DoLog EXTRA "Building core C compiler"
444 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
446 CT_DoLog EXTRA "Installing core C compiler"
447 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"
449 if [ "${build_manuals}" = "yes" ]; then
450 CT_DoLog EXTRA "Building the GCC manuals"
451 CT_DoExecLog ALL make pdf html
452 CT_DoLog EXTRA "Installing the GCC manuals"
453 CT_DoExecLog ALL make install-{pdf,html}-gcc
456 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
457 # to call the C compiler with the same, somewhat canonical name.
458 # check whether compiler has an extension
459 file="$( ls -1 "${prefix}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
460 [ -z "${file}" ] || ext=".${file##*.}"
461 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
463 if [ "${CT_MULTILIB}" = "y" ]; then
464 multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib \
466 if [ ${#multilibs[@]} -ne 0 ]; then
467 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
468 for i in "${multilibs[@]}"; do
471 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
474 CT_DoLog WARN "gcc configured for multilib, but none available"
479 #------------------------------------------------------------------------------
480 # Build complete gcc to run on build
482 local -a build_final_opts
483 local build_final_backend
485 # In case we're canadian or cross-native, it seems that a
486 # real, complete compiler is needed?!? WTF? Sigh...
487 # Otherwise, there is nothing to do.
488 case "${CT_TOOLCHAIN_TYPE}" in
489 native|cross) return 0;;
492 build_final_opts+=( "host=${CT_BUILD}" )
493 build_final_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
494 build_final_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
495 build_final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
496 if [ "${CT_BARE_METAL}" = "y" ]; then
497 # In the tests I've done, bare-metal was not impacted by the
498 # lack of such a compiler, but better safe than sorry...
499 build_final_opts+=( "mode=baremetal" )
500 build_final_opts+=( "build_libgcc=yes" )
501 build_final_opts+=( "build_libstdcxx=yes" )
502 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
503 build_final_opts+=( "build_staticlinked=yes" )
505 build_final_backend=do_cc_core_backend
507 build_final_backend=do_cc_backend
510 CT_DoStep INFO "Installing final compiler for build"
511 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final-build-${CT_BUILD}"
513 "${build_final_backend}" "${build_final_opts[@]}"
519 #------------------------------------------------------------------------------
520 # Build final gcc to run on host
525 final_opts+=( "host=${CT_HOST}" )
526 final_opts+=( "prefix=${CT_PREFIX_DIR}" )
527 final_opts+=( "complibs=${CT_HOST_COMPLIBS_DIR}" )
528 final_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
529 final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
530 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
531 final_opts+=( "build_manuals=yes" )
533 if [ "${CT_BARE_METAL}" = "y" ]; then
534 final_opts+=( "mode=baremetal" )
535 final_opts+=( "build_libgcc=yes" )
536 final_opts+=( "build_libstdcxx=yes" )
537 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
538 final_opts+=( "build_staticlinked=yes" )
540 final_backend=do_cc_core_backend
542 final_backend=do_cc_backend
545 CT_DoStep INFO "Installing final compiler"
546 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final"
548 "${final_backend}" "${final_opts[@]}"
554 #------------------------------------------------------------------------------
555 # Build the final gcc
556 # Usage: do_cc_backend param=value [...]
557 # Parameter : Definition : Type : Default
558 # host : the host we run onto : tuple : (none)
559 # prefix : the runtime prefix : dir : (none)
560 # complibs : the companion libraries prefix : dir : (none)
561 # cflags : the host CFLAGS : string : (empty)
562 # lang_list : the list of languages to build : string : (empty)
563 # build_manuals : whether to build manuals or not : bool : no
571 local -a host_libstdcxx_flags
572 local -a extra_config
573 local -a final_LDFLAGS
581 CT_DoLog EXTRA "Configuring final compiler"
583 # Enable selected languages
584 extra_config+=("--enable-languages=${lang_list}")
586 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
587 eval tmp="\${CT_ARCH_WITH_${tmp}}"
588 if [ -n "${tmp}" ]; then
589 extra_config+=("${tmp}")
593 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
594 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
595 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
596 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
598 case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
599 y) extra_config+=("--enable-sjlj-exceptions");;
601 "") extra_config+=("--disable-sjlj-exceptions");;
603 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
604 extra_config+=("--enable-__cxa_atexit")
606 extra_config+=("--disable-__cxa_atexit")
608 if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
609 extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
611 if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
612 extra_config+=(--enable-libmudflap)
614 extra_config+=(--disable-libmudflap)
616 if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
617 extra_config+=(--enable-libgomp)
619 extra_config+=(--disable-libgomp)
621 if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
622 extra_config+=(--enable-libssp)
624 extra_config+=(--disable-libssp)
626 if [ "${CT_CC_GCC_HAS_LIBQUADMATH}" = "y" ]; then
627 if [ "${CT_CC_GCC_LIBQUADMATH}" = "y" ]; then
628 extra_config+=(--enable-libquadmath)
629 extra_config+=(--enable-libquadmath-support)
631 extra_config+=(--disable-libquadmath)
632 extra_config+=(--disable-libquadmath-support)
637 # Keep this full if-else-if-elif-fi-fi block in sync
638 # with the same block in do_cc_core, above.
639 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
640 final_LDFLAGS+=("-static")
641 host_libstdcxx_flags+=("-static-libgcc")
642 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
643 host_libstdcxx_flags+=("-lm")
644 # Companion libraries are build static (eg !shared), so
645 # the libstdc++ is not pulled automatically, although it
646 # is needed. Shoe-horn it in our LDFLAGS
647 # Ditto libm on some Fedora boxen
648 final_LDFLAGS+=("-lstdc++")
649 final_LDFLAGS+=("-lm")
651 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
652 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
654 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
655 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
656 host_libstdcxx_flags+=("-static-libgcc")
657 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
658 host_libstdcxx_flags+=("-lm")
659 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
660 # When companion libraries are build static (eg !shared),
661 # the libstdc++ is not pulled automatically, although it
662 # is needed. Shoe-horn it in our LDFLAGS
663 # Ditto libm on some Fedora boxen
664 final_LDFLAGS+=("-lstdc++")
665 final_LDFLAGS+=("-lm")
669 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
670 extra_config+=("--with-gmp=${complibs}")
671 extra_config+=("--with-mpfr=${complibs}")
673 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
674 extra_config+=("--with-mpc=${complibs}")
676 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
677 extra_config+=("--with-ppl=${complibs}")
678 # With PPL 0.11+, also pull libpwl if needed
679 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
680 host_libstdcxx_flags+=("-L${complibs}/lib")
681 host_libstdcxx_flags+=("-lpwl")
683 extra_config+=("--with-cloog=${complibs}")
684 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
685 extra_config+=("--with-ppl=no")
686 extra_config+=("--with-cloog=no")
688 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
689 extra_config+=("--with-libelf=${complibs}")
690 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
691 extra_config+=("--with-libelf=no")
694 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
695 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
698 if [ "${CT_THREADS}" = "none" ]; then
699 extra_config+=("--disable-threads")
700 if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
701 CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
702 extra_config+=("--disable-libgomp")
705 if [ "${CT_THREADS}" = "win32" ]; then
706 extra_config+=("--enable-threads=win32")
707 extra_config+=("--disable-win32-registry")
709 extra_config+=("--enable-threads=posix")
713 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
714 extra_config+=("--enable-target-optspace")
716 if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
717 extra_config+=("--disable-libstdcxx-pch")
720 case "${CT_CC_GCC_LDBL_128}" in
721 y) extra_config+=("--with-long-double-128");;
723 "") extra_config+=("--without-long-double-128");;
726 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
727 extra_config+=( --enable-linker-build-id )
730 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
732 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
735 if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
736 extra_config+=( --enable-plugin )
738 if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
739 extra_config+=( --enable-gold )
744 case "${CT_CC_GCC_mips_llsc}" in
745 y) extra_config+=( --with-llsc );;
747 *) extra_config+=( --without-llsc );;
749 case "${CT_CC_GCC_mips_synci}" in
750 y) extra_config+=( --with-synci );;
752 *) extra_config+=( --without-synci );;
754 if [ "${CT_CC_GCC_mips_plt}" ]; then
755 extra_config+=( --with-mips-plt )
760 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
762 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
763 extra_config+=("--with-system-zlib")
766 if [ "${CT_MULTILIB}" = "y" ]; then
767 extra_config+=("--enable-multilib")
769 extra_config+=("--disable-multilib")
772 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
775 CC_FOR_BUILD="${CT_BUILD}-gcc" \
777 LDFLAGS="${final_LDFLAGS[*]}" \
778 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
779 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
780 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
781 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
782 --build=${CT_BUILD} \
784 --target=${CT_TARGET} \
785 --prefix="${prefix}" \
787 "${extra_config[@]}" \
788 --with-local-prefix="${CT_SYSROOT_DIR}" \
791 "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
793 if [ "${CT_CANADIAN}" = "y" ]; then
794 CT_DoLog EXTRA "Building libiberty"
795 CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
798 CT_DoLog EXTRA "Building final compiler"
799 CT_DoExecLog ALL make ${JOBSFLAGS} all
801 CT_DoLog EXTRA "Installing final compiler"
802 CT_DoExecLog ALL make ${JOBSFLAGS} install
804 if [ "${build_manuals}" = "yes" ]; then
805 CT_DoLog EXTRA "Building the GCC manuals"
806 CT_DoExecLog ALL make pdf html
807 CT_DoLog EXTRA "Installing the GCC manuals"
808 CT_DoExecLog ALL make install-{pdf,html}-gcc
811 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
812 # to call the C compiler with the same, somewhat canonical name.
813 # check whether compiler has an extension
814 file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
815 [ -z "${file}" ] || ext=".${file##*.}"
816 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"
818 if [ "${CT_MULTILIB}" = "y" ]; then
819 multilibs=( $( "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc" -print-multi-lib \
821 if [ ${#multilibs[@]} -ne 0 ]; then
822 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
823 for i in "${multilibs[@]}"; do
826 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
829 CT_DoLog WARN "gcc configured for multilib, but none available"