1 # This file adds the function to build the gcc C compiler
2 # Copyright 2007 Yann E. MORIN
3 # Licensed under the GPL v2. See COPYING in the root of this package
9 local linaro_base_url="http://launchpad.net/gcc-linaro"
12 # Account for the Linaro versioning
13 linaro_version="$( echo "${CT_CC_VERSION}" \
14 |sed -r -e 's/^linaro-//;' \
16 linaro_series="$( echo "${linaro_version}" \
17 |sed -r -e 's/-.*//;' \
20 # Ah! gcc folks are kind of 'different': they store the tarballs in
21 # subdirectories of the same name! That's because gcc is such /crap/ that
22 # it is such /big/ that it needs being splitted for distribution! Sad. :-(
23 # Arrgghh! Some of those versions does not follow this convention:
24 # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a
25 # subdirectory! You bastard!
26 CT_GetFile "gcc-${CT_CC_VERSION}" \
27 {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/gcc-${CT_CC_VERSION}} \
28 ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/releases/gcc-${CT_CC_VERSION} \
29 ftp://ftp.uvsq.fr/pub/gcc/snapshots/${CT_CC_VERSION} \
30 "${linaro_base_url}/${linaro_series}/${linaro_version}/+download"
32 # Starting with GCC 4.3, ecj is used for Java, and will only be
33 # built if the configure script finds ecj.jar at the top of the
34 # GCC source tree, which will not be there unless we get it and
35 # put it there ourselves
36 if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" ]; then
37 CT_GetFile ecj-latest .jar ftp://gcc.gnu.org/pub/java \
38 ftp://sourceware.org/pub/java
44 CT_Extract "gcc-${CT_CC_VERSION}"
45 CT_Patch "gcc" "${CT_CC_VERSION}"
47 # Copy ecj-latest.jar to ecj.jar at the top of the GCC source tree
48 if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" \
49 -a ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar" \
51 CT_DoExecLog ALL cp -v "${CT_TARBALLS_DIR}/ecj-latest.jar" "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"
55 #------------------------------------------------------------------------------
61 # If we're building for bare metal, build the static core gcc,
63 # In case we're not bare metal and building a canadian compiler, do nothing
64 # In case we're not bare metal, and we're NPTL, build the static core gcc.
65 # In any other case, do nothing.
66 case "${CT_BARE_METAL},${CT_CANADIAN},${CT_THREADS}" in
69 core_opts+=( "mode=static" )
70 core_opts+=( "host=${CT_HOST}" )
71 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
72 core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )
73 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
79 core_opts+=( "mode=static" )
80 core_opts+=( "host=${CT_HOST}" )
81 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
82 core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )
83 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
89 if [ "${do_core}" = "y" ]; then
90 do_cc_core_backend "${core_opts[@]}"
99 # In case we're building for bare metal, do nothing, we already have
101 # In case we're not bare metal and building a canadian compiler, do nothing
102 # In case we're NPTL, build the shared core gcc and the target libgcc.
103 # In any other case, build the static core gcc and, if using gcc-4.3+,
104 # also build the target libgcc.
105 case "${CT_BARE_METAL},${CT_CANADIAN},${CT_THREADS}" in
108 core_opts+=( "mode=baremetal" )
109 core_opts+=( "host=${CT_HOST}" )
110 core_opts+=( "build_libgcc=yes" )
111 core_opts+=( "build_libstdcxx=yes" )
112 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
113 core_opts+=( "prefix=${CT_PREFIX_DIR}" )
114 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
115 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
116 core_opts+=( "build_staticlinked=yes" )
118 core_opts+=( "build_manuals=yes" )
123 core_opts+=( "mode=shared" )
124 core_opts+=( "host=${CT_HOST}" )
125 core_opts+=( "build_libgcc=yes" )
126 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
127 core_opts+=( "prefix=${CT_CC_CORE_SHARED_PREFIX_DIR}" )
128 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
132 core_opts+=( "mode=static" )
133 core_opts+=( "host=${CT_HOST}" )
134 core_opts+=( "build_libgcc=yes" )
135 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
136 core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )
137 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
141 core_opts+=( "mode=static" )
142 core_opts+=( "host=${CT_HOST}" )
143 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
144 core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )
145 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
146 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
147 core_opts+=( "build_libgcc=yes" )
152 if [ "${do_core}" = "y" ]; then
153 do_cc_core_backend "${core_opts[@]}"
157 #------------------------------------------------------------------------------
159 # This function is used to build both the static and the shared core C compiler,
160 # with or without the target libgcc. We need to know wether:
161 # - we're building static, shared or bare metal: mode=[static|shared|baremetal]
162 # - we need to build libgcc or not : build_libgcc=[yes|no] (default: no)
163 # - we need to build libstdc++ or not : build_libstdcxx=[yes|no] (default: no)
164 # - we need to build statically linked or not : build_staticlinked=[yes|no] (default: no)
165 # - where to find the companion libs (prefix) : complibs=<prefix_dir> (no default value)
166 # - the prefix to install into (directory) : prefix=<directory> (no default value)
167 # - the machine we will run on (tuple) : host=<tuple> (no default tuple)
168 # - the CFLAGS to use : cflags=<CFLAGS> (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
195 extra_config+=("--with-newlib")
196 extra_config+=("--enable-threads=no")
197 extra_config+=("--disable-shared")
198 copy_headers=y # For baremetal, as there's no headers to copy,
199 # we copy an empty directory. So, who cares?
202 extra_config+=("--enable-shared")
206 extra_config+=("--with-newlib")
207 extra_config+=("--enable-threads=no")
208 extra_config+=("--disable-shared")
209 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
213 CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
217 CT_DoStep INFO "Installing ${mode} core C compiler"
218 mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}"
219 cd "${CT_BUILD_DIR}/build-cc-core-${mode}"
221 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
222 # Bare metal delivers the core compiler as final compiler, so add version info and bugurl
223 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
224 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
227 if [ "${copy_headers}" = "y" ]; then
228 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
229 CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${prefix}/${CT_TARGET}/include"
232 CT_DoLog EXTRA "Configuring ${mode} core C compiler"
234 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
235 eval tmp="\${CT_ARCH_WITH_${tmp}}"
236 if [ -n "${tmp}" ]; then
237 extra_config+=("${tmp}")
240 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
241 extra_config+=("--enable-__cxa_atexit")
243 extra_config+=("--disable-__cxa_atexit")
247 # Keep this full if-else-if-elif-fi-fi block in sync
248 # with the same block in do_cc, below.
249 if [ "${build_staticlinked}" = "yes" ]; then
250 core_LDFLAGS+=("-static")
251 host_libstdcxx_flags+=("-static-libgcc")
252 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
253 host_libstdcxx_flags+=("-lm")
254 # Companion libraries are build static (eg !shared), so
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")
261 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
262 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
264 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
265 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
266 host_libstdcxx_flags+=("-static-libgcc")
267 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
268 host_libstdcxx_flags+=("-lm")
269 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
270 # When companion libraries are build static (eg !shared),
271 # the libstdc++ is not pulled automatically, although it
272 # is needed. Shoe-horn it in our LDFLAGS
273 # Ditto libm on some Fedora boxen
274 core_LDFLAGS+=("-lstdc++")
275 core_LDFLAGS+=("-lm")
279 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
280 extra_config+=("--with-gmp=${complibs}")
281 extra_config+=("--with-mpfr=${complibs}")
283 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
284 extra_config+=("--with-mpc=${complibs}")
286 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
287 extra_config+=("--with-ppl=${complibs}")
288 # With PPL 0.11+, also pull libpwl if needed
289 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
290 host_libstdcxx_flags+=("-L${complibs}/lib")
291 host_libstdcxx_flags+=("-lpwl")
293 extra_config+=("--with-cloog=${complibs}")
294 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
295 extra_config+=("--with-ppl=no")
296 extra_config+=("--with-cloog=no")
298 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
299 extra_config+=("--with-libelf=${complibs}")
300 extra_config+=("--enable-lto")
301 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
302 extra_config+=("--with-libelf=no")
303 extra_config+=("--disable-lto")
306 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
307 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
310 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
311 extra_config+=("--enable-target-optspace")
314 case "${CT_CC_GCC_LDBL_128}" in
315 y) extra_config+=("--with-long-double-128");;
317 "") extra_config+=("--without-long-double-128");;
320 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
321 extra_config+=( --enable-linker-build-id )
324 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
326 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
331 case "${CT_CC_GCC_mips_llsc}" in
332 y) extra_config+=( --with-llsc );;
334 *) extra_config+=( --without-llsc );;
336 case "${CT_CC_GCC_mips_synci}" in
337 y) extra_config+=( --with-synci );;
339 *) extra_config+=( --without-synci );;
341 if [ "${CT_CC_GCC_mips_plt}" ]; then
342 extra_config+=( --with-mips-plt )
347 extra_config+=(--disable-libgomp)
348 extra_config+=(--disable-libmudflap)
350 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
352 [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")
354 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
355 extra_config+=("--with-system-zlib")
358 if [ "${CT_MULTILIB}" = "y" ]; then
359 extra_config+=("--enable-multilib")
361 extra_config+=("--disable-multilib")
364 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
366 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
368 CC_FOR_BUILD="${CT_BUILD}-gcc" \
370 LDFLAGS="${core_LDFLAGS[*]}" \
371 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
372 --build=${CT_BUILD} \
374 --target=${CT_TARGET} \
375 --prefix="${prefix}" \
376 --with-local-prefix="${CT_SYSROOT_DIR}" \
377 --disable-libmudflap \
378 ${CC_CORE_SYSROOT_ARG} \
379 "${extra_config[@]}" \
380 --enable-languages="${lang_opt}" \
381 "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"
383 if [ "${build_libgcc}" = "yes" ]; then
384 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
385 # gcc/config/t-libunwind so -lc is removed from the link for
386 # libgcc_s.so, as we do not have a target -lc yet.
387 # This is not as ugly as it appears to be ;-) All symbols get resolved
388 # during the glibc build, and we provide a proper libgcc_s.so for the
389 # cross toolchain during the final gcc build.
391 # As we cannot modify the source tree, nor override SHLIB_LC itself
392 # during configure or make, we have to edit the resultant
393 # gcc/libgcc.mk itself to remove -lc from the link.
394 # This causes us to have to jump through some hoops...
396 # To produce libgcc.mk to edit we firstly require libiberty.a,
397 # so we configure then build it.
398 # Next we have to configure gcc, create libgcc.mk then edit it...
399 # So much easier if we just edit the source tree, but hey...
400 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
401 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty
402 CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
403 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp
404 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
406 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty
407 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
409 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
410 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
411 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber
412 CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
415 # Starting with GCC 4.3, libgcc.mk is no longer built,
416 # and libgcc.mvars is used instead.
418 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
419 libgcc_rule="libgcc.mvars"
420 core_targets=( gcc target-libgcc )
422 libgcc_rule="libgcc.mk"
426 # On bare metal and canadian build the host-compiler is used when
427 # actually the build-system compiler is required. Choose the correct
428 # compilers for canadian build and use the defaults on other
430 if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
431 repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
432 GCC_FOR_TARGET=${CT_TARGET}-gcc"
437 CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
439 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
443 if [ "${build_libstdcxx}" = "yes" \
444 -a "${CT_CC_LANG_CXX}" = "y" \
446 core_targets+=( target-libstdc++-v3 )
449 CT_DoLog EXTRA "Building ${mode} core C compiler"
450 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
452 CT_DoLog EXTRA "Installing ${mode} core C compiler"
453 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"
455 if [ "${CT_BUILD_MANUALS}" = "y" -a "${build_manuals}" = "yes" ]; then
456 CT_DoLog EXTRA "Building the GCC manuals"
457 CT_DoExecLog ALL make pdf html
458 CT_DoLog EXTRA "Installing the GCC manuals"
459 CT_DoExecLog ALL make install-{pdf,html}-gcc
462 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
463 # to call the C compiler with the same, somewhat canonical name.
464 # check whether compiler has an extension
465 file="$( ls -1 "${prefix}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
466 [ -z "${file}" ] || ext=".${file##*.}"
467 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
469 if [ "${CT_MULTILIB}" = "y" ]; then
470 multilibs=( $( "${core_prefix_dir}/bin/${CT_TARGET}-gcc" -print-multi-lib \
472 if [ ${#multilibs[@]} -ne 0 ]; then
473 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
474 for i in "${multilibs[@]}"; do
477 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
480 CT_DoLog WARN "gcc configured for multilib, but none available"
487 #------------------------------------------------------------------------------
492 final_opts+=( "host=${CT_HOST}" )
493 final_opts+=( "prefix=${CT_PREFIX_DIR}" )
494 final_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
495 final_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
497 do_cc_backend "${final_opts[@]}"
500 #------------------------------------------------------------------------------
502 # Usage: do_cc_backend param=value ...
503 # and so on for other parameters:
504 # Parameter : Definition : Type : Default
505 # host : the host we run onto : tuple : (none)
506 # prefix : the runtime prefix : dir : (none)
507 # complibs : the companion libraries prefix : dir : (none)
508 # cflags : the host CFLAGS : string : (empty)
514 local -a host_libstdcxx_flags
515 local -a extra_config
516 local -a final_LDFLAGS
520 # If building for bare metal, nothing to be done here, the static core conpiler is enough!
521 [ "${CT_BARE_METAL}" = "y" ] && return 0
523 CT_DoStep INFO "Installing final compiler"
529 mkdir -p "${CT_BUILD_DIR}/build-cc"
530 cd "${CT_BUILD_DIR}/build-cc"
532 CT_DoLog EXTRA "Configuring final compiler"
534 # Enable selected languages
536 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
537 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_opt="${lang_opt},fortran"
538 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_opt="${lang_opt},ada"
539 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_opt="${lang_opt},java"
540 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_opt="${lang_opt},objc"
541 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_opt="${lang_opt},obj-c++"
542 CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
543 CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
544 CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
545 CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
546 lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')
548 extra_config+=("--enable-languages=${lang_opt}")
549 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
550 eval tmp="\${CT_ARCH_WITH_${tmp}}"
551 if [ -n "${tmp}" ]; then
552 extra_config+=("${tmp}")
556 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
557 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
558 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
559 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
561 case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
562 y) extra_config+=("--enable-sjlj-exceptions");;
564 "") extra_config+=("--disable-sjlj-exceptions");;
566 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
567 extra_config+=("--enable-__cxa_atexit")
569 extra_config+=("--disable-__cxa_atexit")
571 if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
572 extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
574 if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
575 extra_config+=(--enable-libmudflap)
577 extra_config+=(--disable-libmudflap)
579 if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
580 extra_config+=(--enable-libgomp)
582 extra_config+=(--disable-libgomp)
584 if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
585 extra_config+=(--enable-libssp)
587 extra_config+=(--disable-libssp)
591 # Keep this full if-else-if-elif-fi-fi block in sync
592 # with the same block in do_cc_core, above.
593 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
594 final_LDFLAGS+=("-static")
595 host_libstdcxx_flags+=("-static-libgcc")
596 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
597 host_libstdcxx_flags+=("-lm")
598 # Companion libraries are build static (eg !shared), so
599 # the libstdc++ is not pulled automatically, although it
600 # is needed. Shoe-horn it in our LDFLAGS
601 # Ditto libm on some Fedora boxen
602 final_LDFLAGS+=("-lstdc++")
603 final_LDFLAGS+=("-lm")
605 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
606 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
608 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
609 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
610 host_libstdcxx_flags+=("-static-libgcc")
611 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
612 host_libstdcxx_flags+=("-lm")
613 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
614 # When companion libraries are build static (eg !shared),
615 # the libstdc++ is not pulled automatically, although it
616 # is needed. Shoe-horn it in our LDFLAGS
617 # Ditto libm on some Fedora boxen
618 final_LDFLAGS+=("-lstdc++")
619 final_LDFLAGS+=("-lm")
623 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
624 extra_config+=("--with-gmp=${complibs}")
625 extra_config+=("--with-mpfr=${complibs}")
627 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
628 extra_config+=("--with-mpc=${complibs}")
630 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
631 extra_config+=("--with-ppl=${complibs}")
632 # With PPL 0.11+, also pull libpwl if needed
633 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
634 host_libstdcxx_flags+=("-L${complibs}/lib")
635 host_libstdcxx_flags+=("-lpwl")
637 extra_config+=("--with-cloog=${complibs}")
638 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
639 extra_config+=("--with-ppl=no")
640 extra_config+=("--with-cloog=no")
642 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
643 extra_config+=("--with-libelf=${complibs}")
644 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
645 extra_config+=("--with-libelf=no")
648 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
649 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
652 if [ "${CT_THREADS}" = "none" ]; then
653 extra_config+=("--disable-threads")
654 if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
655 CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
656 extra_config+=("--disable-libgomp")
659 if [ "${CT_THREADS}" = "win32" ]; then
660 extra_config+=("--enable-threads=win32")
661 extra_config+=("--disable-win32-registry")
663 extra_config+=("--enable-threads=posix")
667 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
668 extra_config+=("--enable-target-optspace")
670 if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
671 extra_config+=("--disable-libstdcxx-pch")
674 case "${CT_CC_GCC_LDBL_128}" in
675 y) extra_config+=("--with-long-double-128");;
677 "") extra_config+=("--without-long-double-128");;
680 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
681 extra_config+=( --enable-linker-build-id )
684 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
686 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
689 if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
690 extra_config+=( --enable-plugin )
692 if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
693 extra_config+=( --enable-gold )
698 case "${CT_CC_GCC_mips_llsc}" in
699 y) extra_config+=( --with-llsc );;
701 *) extra_config+=( --without-llsc );;
703 case "${CT_CC_GCC_mips_synci}" in
704 y) extra_config+=( --with-synci );;
706 *) extra_config+=( --without-synci );;
708 if [ "${CT_CC_GCC_mips_plt}" ]; then
709 extra_config+=( --with-mips-plt )
714 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
716 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
717 extra_config+=("--with-system-zlib")
720 if [ "${CT_MULTILIB}" = "y" ]; then
721 extra_config+=("--enable-multilib")
723 extra_config+=("--disable-multilib")
726 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
729 CC_FOR_BUILD="${CT_BUILD}-gcc" \
731 LDFLAGS="${final_LDFLAGS[*]}" \
732 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
733 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
734 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
735 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
736 --build=${CT_BUILD} \
738 --target=${CT_TARGET} \
739 --prefix="${prefix}" \
741 "${extra_config[@]}" \
742 --with-local-prefix="${CT_SYSROOT_DIR}" \
745 "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
747 if [ "${CT_CANADIAN}" = "y" ]; then
748 CT_DoLog EXTRA "Building libiberty"
749 CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
752 CT_DoLog EXTRA "Building final compiler"
753 CT_DoExecLog ALL make ${JOBSFLAGS} all
755 CT_DoLog EXTRA "Installing final compiler"
756 CT_DoExecLog ALL make ${JOBSFLAGS} install
758 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
759 CT_DoLog EXTRA "Building the GCC manuals"
760 CT_DoExecLog ALL make ${JOBSFLAGS} pdf html
761 CT_DoLog EXTRA "Installing the GCC manuals"
762 CT_DoExecLog ALL make install-{pdf,html}-gcc
765 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
766 # to call the C compiler with the same, somewhat canonical name.
767 # check whether compiler has an extension
768 file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
769 [ -z "${file}" ] || ext=".${file##*.}"
770 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"
772 if [ "${CT_MULTILIB}" = "y" ]; then
773 multilibs=( $( "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc" -print-multi-lib \
775 if [ ${#multilibs[@]} -ne 0 ]; then
776 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
777 for i in "${multilibs[@]}"; do
780 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
783 CT_DoLog WARN "gcc configured for multilib, but none available"