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 #------------------------------------------------------------------------------
56 # This function builds up the set of languages to enable
57 # No argument expected, returns the comma-separated language list on stdout
62 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_list+=",c++"
63 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_list+=",fortran"
64 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_list+=",ada"
65 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_list+=",java"
66 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_list+=",objc"
67 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_list+=",obj-c++"
68 lang_list+="${CT_CC_LANG_OTHERS:+,${CT_CC_LANG_OTHERS}}"
70 printf "%s" "${lang_list}"
73 #------------------------------------------------------------------------------
79 # We only need a pass-1 core gcc if the threading model is NPTL.
80 # For all other cases, it is not used.
81 case "${CT_THREADS}" in
84 core_opts+=( "mode=static" )
85 core_opts+=( "host=${CT_BUILD}" )
86 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
87 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
88 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
89 core_opts+=( "lang_list=c" )
93 core_opts+=( "mode=static" )
94 core_opts+=( "host=${CT_BUILD}" )
95 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
96 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
97 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
98 core_opts+=( "lang_list=c" )
102 if [ "${do_core}" = "y" ]; then
103 CT_DoStep INFO "Installing pass-1 core C compiler"
104 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-1"
106 do_cc_core_backend "${core_opts[@]}"
114 do_cc_core_pass_2() {
119 core_opts+=( "host=${CT_BUILD}" )
120 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
121 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
122 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
123 core_opts+=( "lang_list=c" )
125 # Different conditions are at stake here:
126 # - In case the threading model is NPTL, we need a shared-capable core
127 # gcc; in all other cases, we need a static-only core gcc.
128 # - In case the threading model is NPTL or win32, or gcc is 4.3 or
129 # later, we need to build libgcc
130 case "${CT_THREADS}" in
133 core_opts+=( "mode=shared" )
134 core_opts+=( "build_libgcc=yes" )
138 core_opts+=( "mode=static" )
139 core_opts+=( "build_libgcc=yes" )
143 core_opts+=( "mode=static" )
144 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
145 core_opts+=( "build_libgcc=yes" )
150 if [ "${do_core}" = "y" ]; then
151 CT_DoStep INFO "Installing pass-2 core C compiler"
152 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-2"
154 do_cc_core_backend "${core_opts[@]}"
161 #------------------------------------------------------------------------------
163 # This function is used to build the core C compiler.
164 # Usage: do_cc_core_backend param=value [...]
165 # Parameter : Definition : Type : Default
166 # mode : build a 'static', 'shared' or 'baremetal' : string : (none)
167 # host : the machine the core will run on : tuple : (none)
168 # prefix : dir prefix to install into : dir : (none)
169 # complibs : dir where complibs are isntalled : dir : (none)
170 # lang_list : the list of languages to build : string : (empty)
171 # build_libgcc : build libgcc or not : bool : no
172 # build_libstdcxx : build libstdc++ or not : bool : no
173 # build_staticlinked : build statically linked or not : bool : no
174 # build_manuals : whether to build manuals or not : bool : no
175 # cflags : host CFLAGS to use : string : (empty)
176 # Usage: do_cc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]
177 do_cc_core_backend() {
179 local build_libgcc=no
180 local build_libstdcxx=no
181 local build_staticlinked=no
182 local build_manuals=no
189 local -a host_libstdcxx_flags
190 local -a extra_config
191 local -a core_LDFLAGS
192 local -a core_targets
199 CT_DoLog EXTRA "Configuring core C compiler"
203 extra_config+=("--with-newlib")
204 extra_config+=("--enable-threads=no")
205 extra_config+=("--disable-shared")
206 copy_headers=y # For baremetal, as there's no headers to copy,
207 # we copy an empty directory. So, who cares?
210 extra_config+=("--enable-shared")
214 extra_config+=("--with-newlib")
215 extra_config+=("--enable-threads=no")
216 extra_config+=("--disable-shared")
220 CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
224 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
225 # Bare metal delivers the core compiler as final compiler, so add version info and bugurl
226 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
227 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
230 if [ "${copy_headers}" = "y" ]; then
231 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
232 CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${prefix}/${CT_TARGET}/include"
235 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
236 eval tmp="\${CT_ARCH_WITH_${tmp}}"
237 if [ -n "${tmp}" ]; then
238 extra_config+=("${tmp}")
241 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
242 extra_config+=("--enable-__cxa_atexit")
244 extra_config+=("--disable-__cxa_atexit")
248 # Keep this full if-else-if-elif-fi-fi block in sync
249 # with the same block in do_cc, below.
250 if [ "${build_staticlinked}" = "yes" ]; then
251 core_LDFLAGS+=("-static")
252 host_libstdcxx_flags+=("-static-libgcc")
253 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
254 host_libstdcxx_flags+=("-lm")
255 # Companion libraries are build static (eg !shared), so
256 # the libstdc++ is not pulled automatically, although it
257 # is needed. Shoe-horn it in our LDFLAGS
258 # Ditto libm on some Fedora boxen
259 core_LDFLAGS+=("-lstdc++")
260 core_LDFLAGS+=("-lm")
262 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
263 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
265 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
266 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
267 host_libstdcxx_flags+=("-static-libgcc")
268 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
269 host_libstdcxx_flags+=("-lm")
270 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
271 # When companion libraries are build static (eg !shared),
272 # the libstdc++ is not pulled automatically, although it
273 # is needed. Shoe-horn it in our LDFLAGS
274 # Ditto libm on some Fedora boxen
275 core_LDFLAGS+=("-lstdc++")
276 core_LDFLAGS+=("-lm")
280 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
281 extra_config+=("--with-gmp=${complibs}")
282 extra_config+=("--with-mpfr=${complibs}")
284 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
285 extra_config+=("--with-mpc=${complibs}")
287 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
288 extra_config+=("--with-ppl=${complibs}")
289 # With PPL 0.11+, also pull libpwl if needed
290 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
291 host_libstdcxx_flags+=("-L${complibs}/lib")
292 host_libstdcxx_flags+=("-lpwl")
294 extra_config+=("--with-cloog=${complibs}")
295 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
296 extra_config+=("--with-ppl=no")
297 extra_config+=("--with-cloog=no")
299 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
300 extra_config+=("--with-libelf=${complibs}")
301 extra_config+=("--enable-lto")
302 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
303 extra_config+=("--with-libelf=no")
304 extra_config+=("--disable-lto")
307 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
308 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
311 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
312 extra_config+=("--enable-target-optspace")
315 case "${CT_CC_GCC_LDBL_128}" in
316 y) extra_config+=("--with-long-double-128");;
318 "") extra_config+=("--without-long-double-128");;
321 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
322 extra_config+=( --enable-linker-build-id )
325 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
327 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
332 case "${CT_CC_GCC_mips_llsc}" in
333 y) extra_config+=( --with-llsc );;
335 *) extra_config+=( --without-llsc );;
337 case "${CT_CC_GCC_mips_synci}" in
338 y) extra_config+=( --with-synci );;
340 *) extra_config+=( --without-synci );;
342 if [ "${CT_CC_GCC_mips_plt}" ]; then
343 extra_config+=( --with-mips-plt )
348 extra_config+=(--disable-libgomp)
349 extra_config+=(--disable-libmudflap)
351 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
353 [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")
355 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
356 extra_config+=("--with-system-zlib")
359 if [ "${CT_MULTILIB}" = "y" ]; then
360 extra_config+=("--enable-multilib")
362 extra_config+=("--disable-multilib")
365 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
367 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
369 CC_FOR_BUILD="${CT_BUILD}-gcc" \
371 LDFLAGS="${core_LDFLAGS[*]}" \
372 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
373 --build=${CT_BUILD} \
375 --target=${CT_TARGET} \
376 --prefix="${prefix}" \
377 --with-local-prefix="${CT_SYSROOT_DIR}" \
378 --disable-libmudflap \
379 ${CC_CORE_SYSROOT_ARG} \
380 "${extra_config[@]}" \
381 --enable-languages="${lang_list}" \
382 "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"
384 if [ "${build_libgcc}" = "yes" ]; then
385 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
386 # gcc/config/t-libunwind so -lc is removed from the link for
387 # libgcc_s.so, as we do not have a target -lc yet.
388 # This is not as ugly as it appears to be ;-) All symbols get resolved
389 # during the glibc build, and we provide a proper libgcc_s.so for the
390 # cross toolchain during the final gcc build.
392 # As we cannot modify the source tree, nor override SHLIB_LC itself
393 # during configure or make, we have to edit the resultant
394 # gcc/libgcc.mk itself to remove -lc from the link.
395 # This causes us to have to jump through some hoops...
397 # To produce libgcc.mk to edit we firstly require libiberty.a,
398 # so we configure then build it.
399 # Next we have to configure gcc, create libgcc.mk then edit it...
400 # So much easier if we just edit the source tree, but hey...
401 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
402 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty
403 CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
404 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp
405 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
407 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty
408 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
410 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
411 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
412 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber
413 CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
416 # Starting with GCC 4.3, libgcc.mk is no longer built,
417 # and libgcc.mvars is used instead.
419 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
420 libgcc_rule="libgcc.mvars"
421 core_targets=( gcc target-libgcc )
423 libgcc_rule="libgcc.mk"
427 # On bare metal and canadian build the host-compiler is used when
428 # actually the build-system compiler is required. Choose the correct
429 # compilers for canadian build and use the defaults on other
431 if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
432 repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
433 GCC_FOR_TARGET=${CT_TARGET}-gcc"
438 CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
440 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
444 if [ "${build_libstdcxx}" = "yes" \
445 -a "${CT_CC_LANG_CXX}" = "y" \
447 core_targets+=( target-libstdc++-v3 )
450 CT_DoLog EXTRA "Building core C compiler"
451 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
453 CT_DoLog EXTRA "Installing core C compiler"
454 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"
456 if [ "${build_manuals}" = "yes" ]; then
457 CT_DoLog EXTRA "Building the GCC manuals"
458 CT_DoExecLog ALL make pdf html
459 CT_DoLog EXTRA "Installing the GCC manuals"
460 CT_DoExecLog ALL make install-{pdf,html}-gcc
463 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
464 # to call the C compiler with the same, somewhat canonical name.
465 # check whether compiler has an extension
466 file="$( ls -1 "${prefix}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
467 [ -z "${file}" ] || ext=".${file##*.}"
468 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
470 if [ "${CT_MULTILIB}" = "y" ]; then
471 multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib \
473 if [ ${#multilibs[@]} -ne 0 ]; then
474 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
475 for i in "${multilibs[@]}"; do
478 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
481 CT_DoLog WARN "gcc configured for multilib, but none available"
486 #------------------------------------------------------------------------------
487 # Build complete gcc to run on build
489 local -a build_final_opts
490 local build_final_backend
492 # In case we're canadian or cross-native, it seems that a
493 # real, complete compiler is needed?!? WTF? Sigh...
494 # Otherwise, there is nothing to do.
495 case "${CT_TOOLCHAIN_TYPE}" in
496 native|cross) return 0;;
499 build_final_opts+=( "host=${CT_BUILD}" )
500 build_final_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
501 build_final_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
502 build_final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
503 if [ "${CT_BARE_METAL}" = "y" ]; then
504 # In the tests I've done, bare-metal was not impacted by the
505 # lack of such a compiler, but better safe than sorry...
506 build_final_opts+=( "mode=baremetal" )
507 build_final_opts+=( "build_libgcc=yes" )
508 build_final_opts+=( "build_libstdcxx=yes" )
509 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
510 build_final_opts+=( "build_staticlinked=yes" )
512 build_final_backend=do_cc_core_backend
514 build_final_backend=do_cc_backend
517 CT_DoStep INFO "Installing final compiler for build"
518 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final-build-${CT_BUILD}"
520 "${build_final_backend}" "${build_final_opts[@]}"
526 #------------------------------------------------------------------------------
527 # Build final gcc to run on host
532 final_opts+=( "host=${CT_HOST}" )
533 final_opts+=( "prefix=${CT_PREFIX_DIR}" )
534 final_opts+=( "complibs=${CT_HOST_COMPLIBS_DIR}" )
535 final_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
536 final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
537 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
538 final_opts+=( "build_manuals=yes" )
540 if [ "${CT_BARE_METAL}" = "y" ]; then
541 final_opts+=( "mode=baremetal" )
542 final_opts+=( "build_libgcc=yes" )
543 final_opts+=( "build_libstdcxx=yes" )
544 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
545 final_opts+=( "build_staticlinked=yes" )
547 final_backend=do_cc_core_backend
549 final_backend=do_cc_backend
552 CT_DoStep INFO "Installing final compiler"
553 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final"
555 "${final_backend}" "${final_opts[@]}"
561 #------------------------------------------------------------------------------
562 # Build the final gcc
563 # Usage: do_cc_backend param=value [...]
564 # Parameter : Definition : Type : Default
565 # host : the host we run onto : tuple : (none)
566 # prefix : the runtime prefix : dir : (none)
567 # complibs : the companion libraries prefix : dir : (none)
568 # cflags : the host CFLAGS : string : (empty)
569 # lang_list : the list of languages to build : string : (empty)
570 # build_manuals : whether to build manuals or not : bool : no
578 local -a host_libstdcxx_flags
579 local -a extra_config
580 local -a final_LDFLAGS
588 CT_DoLog EXTRA "Configuring final compiler"
590 # Enable selected languages
591 extra_config+=("--enable-languages=${lang_list}")
593 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
594 eval tmp="\${CT_ARCH_WITH_${tmp}}"
595 if [ -n "${tmp}" ]; then
596 extra_config+=("${tmp}")
600 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
601 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
602 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
603 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
605 case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
606 y) extra_config+=("--enable-sjlj-exceptions");;
608 "") extra_config+=("--disable-sjlj-exceptions");;
610 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
611 extra_config+=("--enable-__cxa_atexit")
613 extra_config+=("--disable-__cxa_atexit")
615 if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
616 extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
618 if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
619 extra_config+=(--enable-libmudflap)
621 extra_config+=(--disable-libmudflap)
623 if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
624 extra_config+=(--enable-libgomp)
626 extra_config+=(--disable-libgomp)
628 if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
629 extra_config+=(--enable-libssp)
631 extra_config+=(--disable-libssp)
633 if [ "${CT_CC_GCC_HAS_LIBQUADMATH}" = "y" ]; then
634 if [ "${CT_CC_GCC_LIBQUADMATH}" = "y" ]; then
635 extra_config+=(--enable-libquadmath)
636 extra_config+=(--enable-libquadmath-support)
638 extra_config+=(--disable-libquadmath)
639 extra_config+=(--disable-libquadmath-support)
644 # Keep this full if-else-if-elif-fi-fi block in sync
645 # with the same block in do_cc_core, above.
646 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
647 final_LDFLAGS+=("-static")
648 host_libstdcxx_flags+=("-static-libgcc")
649 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
650 host_libstdcxx_flags+=("-lm")
651 # Companion libraries are build static (eg !shared), so
652 # the libstdc++ is not pulled automatically, although it
653 # is needed. Shoe-horn it in our LDFLAGS
654 # Ditto libm on some Fedora boxen
655 final_LDFLAGS+=("-lstdc++")
656 final_LDFLAGS+=("-lm")
658 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
659 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
661 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
662 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
663 host_libstdcxx_flags+=("-static-libgcc")
664 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
665 host_libstdcxx_flags+=("-lm")
666 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
667 # When companion libraries are build static (eg !shared),
668 # the libstdc++ is not pulled automatically, although it
669 # is needed. Shoe-horn it in our LDFLAGS
670 # Ditto libm on some Fedora boxen
671 final_LDFLAGS+=("-lstdc++")
672 final_LDFLAGS+=("-lm")
676 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
677 extra_config+=("--with-gmp=${complibs}")
678 extra_config+=("--with-mpfr=${complibs}")
680 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
681 extra_config+=("--with-mpc=${complibs}")
683 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
684 extra_config+=("--with-ppl=${complibs}")
685 # With PPL 0.11+, also pull libpwl if needed
686 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
687 host_libstdcxx_flags+=("-L${complibs}/lib")
688 host_libstdcxx_flags+=("-lpwl")
690 extra_config+=("--with-cloog=${complibs}")
691 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
692 extra_config+=("--with-ppl=no")
693 extra_config+=("--with-cloog=no")
695 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
696 extra_config+=("--with-libelf=${complibs}")
697 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
698 extra_config+=("--with-libelf=no")
701 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
702 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
705 if [ "${CT_THREADS}" = "none" ]; then
706 extra_config+=("--disable-threads")
707 if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
708 CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
709 extra_config+=("--disable-libgomp")
712 if [ "${CT_THREADS}" = "win32" ]; then
713 extra_config+=("--enable-threads=win32")
714 extra_config+=("--disable-win32-registry")
716 extra_config+=("--enable-threads=posix")
720 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
721 extra_config+=("--enable-target-optspace")
723 if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
724 extra_config+=("--disable-libstdcxx-pch")
727 case "${CT_CC_GCC_LDBL_128}" in
728 y) extra_config+=("--with-long-double-128");;
730 "") extra_config+=("--without-long-double-128");;
733 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
734 extra_config+=( --enable-linker-build-id )
737 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
739 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
742 if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
743 extra_config+=( --enable-plugin )
745 if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
746 extra_config+=( --enable-gold )
751 case "${CT_CC_GCC_mips_llsc}" in
752 y) extra_config+=( --with-llsc );;
754 *) extra_config+=( --without-llsc );;
756 case "${CT_CC_GCC_mips_synci}" in
757 y) extra_config+=( --with-synci );;
759 *) extra_config+=( --without-synci );;
761 if [ "${CT_CC_GCC_mips_plt}" ]; then
762 extra_config+=( --with-mips-plt )
767 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
769 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
770 extra_config+=("--with-system-zlib")
773 if [ "${CT_MULTILIB}" = "y" ]; then
774 extra_config+=("--enable-multilib")
776 extra_config+=("--disable-multilib")
779 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
782 CC_FOR_BUILD="${CT_BUILD}-gcc" \
784 LDFLAGS="${final_LDFLAGS[*]}" \
785 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
786 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
787 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
788 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
789 --build=${CT_BUILD} \
791 --target=${CT_TARGET} \
792 --prefix="${prefix}" \
794 "${extra_config[@]}" \
795 --with-local-prefix="${CT_SYSROOT_DIR}" \
798 "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
800 if [ "${CT_CANADIAN}" = "y" ]; then
801 CT_DoLog EXTRA "Building libiberty"
802 CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
805 CT_DoLog EXTRA "Building final compiler"
806 CT_DoExecLog ALL make ${JOBSFLAGS} all
808 CT_DoLog EXTRA "Installing final compiler"
809 CT_DoExecLog ALL make ${JOBSFLAGS} install
811 if [ "${build_manuals}" = "yes" ]; then
812 CT_DoLog EXTRA "Building the GCC manuals"
813 CT_DoExecLog ALL make pdf html
814 CT_DoLog EXTRA "Installing the GCC manuals"
815 CT_DoExecLog ALL make install-{pdf,html}-gcc
818 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
819 # to call the C compiler with the same, somewhat canonical name.
820 # check whether compiler has an extension
821 file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
822 [ -z "${file}" ] || ext=".${file##*.}"
823 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"
825 if [ "${CT_MULTILIB}" = "y" ]; then
826 multilibs=( $( "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc" -print-multi-lib \
828 if [ ${#multilibs[@]} -ne 0 ]; then
829 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
830 for i in "${multilibs[@]}"; do
833 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
836 CT_DoLog WARN "gcc configured for multilib, but none available"