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 if [ "${do_core}" = "y" ]; then
94 CT_DoStep INFO "Installing pass-1 core C compiler"
95 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-1"
97 do_cc_core_backend "${core_opts[@]}"
105 do_cc_core_pass_2() {
110 core_opts+=( "host=${CT_BUILD}" )
111 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
112 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
113 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
114 core_opts+=( "lang_list=c" )
116 # Different conditions are at stake here:
117 # - In case the threading model is NPTL, we need a shared-capable core
118 # gcc; in all other cases, we need a static-only core gcc.
119 # - In case the threading model is NPTL or win32, or gcc is 4.3 or
120 # later, we need to build libgcc
121 case "${CT_THREADS}" in
124 core_opts+=( "mode=shared" )
125 core_opts+=( "build_libgcc=yes" )
129 core_opts+=( "mode=static" )
130 core_opts+=( "build_libgcc=yes" )
134 core_opts+=( "mode=static" )
135 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
136 core_opts+=( "build_libgcc=yes" )
141 if [ "${do_core}" = "y" ]; then
142 CT_DoStep INFO "Installing pass-2 core C compiler"
143 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-2"
145 do_cc_core_backend "${core_opts[@]}"
152 #------------------------------------------------------------------------------
154 # This function is used to build the core C compiler.
155 # Usage: do_cc_core_backend param=value [...]
156 # Parameter : Definition : Type : Default
157 # mode : build a 'static', 'shared' or 'baremetal' : string : (none)
158 # host : the machine the core will run on : tuple : (none)
159 # prefix : dir prefix to install into : dir : (none)
160 # complibs : dir where complibs are isntalled : dir : (none)
161 # lang_list : the list of languages to build : string : (empty)
162 # build_libgcc : build libgcc or not : bool : no
163 # build_libstdcxx : build libstdc++ or not : bool : no
164 # build_staticlinked : build statically linked or not : bool : no
165 # build_manuals : whether to build manuals or not : bool : no
166 # cflags : host CFLAGS to use : string : (empty)
167 # Usage: do_cc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]
168 do_cc_core_backend() {
170 local build_libgcc=no
171 local build_libstdcxx=no
172 local build_staticlinked=no
173 local build_manuals=no
180 local -a host_libstdcxx_flags
181 local -a extra_config
182 local -a core_LDFLAGS
183 local -a core_targets
190 CT_DoLog EXTRA "Configuring core C compiler"
194 extra_config+=("--with-newlib")
195 extra_config+=("--enable-threads=no")
196 extra_config+=("--disable-shared")
197 copy_headers=y # For baremetal, as there's no headers to copy,
198 # we copy an empty directory. So, who cares?
201 extra_config+=("--enable-shared")
205 extra_config+=("--with-newlib")
206 extra_config+=("--enable-threads=no")
207 extra_config+=("--disable-shared")
211 CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
215 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
216 # Bare metal delivers the core compiler as final compiler, so add version info and bugurl
217 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
218 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
221 if [ "${copy_headers}" = "y" ]; then
222 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
223 CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${prefix}/${CT_TARGET}/include"
226 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
227 eval tmp="\${CT_ARCH_WITH_${tmp}}"
228 if [ -n "${tmp}" ]; then
229 extra_config+=("${tmp}")
232 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
233 extra_config+=("--enable-__cxa_atexit")
235 extra_config+=("--disable-__cxa_atexit")
239 # Keep this full if-else-if-elif-fi-fi block in sync
240 # with the same block in do_cc, below.
241 if [ "${build_staticlinked}" = "yes" ]; then
242 core_LDFLAGS+=("-static")
243 host_libstdcxx_flags+=("-static-libgcc")
244 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
245 host_libstdcxx_flags+=("-lm")
246 # Companion libraries are build static (eg !shared), so
247 # the libstdc++ is not pulled automatically, although it
248 # is needed. Shoe-horn it in our LDFLAGS
249 # Ditto libm on some Fedora boxen
250 core_LDFLAGS+=("-lstdc++")
251 core_LDFLAGS+=("-lm")
253 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
254 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
256 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
257 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
258 host_libstdcxx_flags+=("-static-libgcc")
259 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
260 host_libstdcxx_flags+=("-lm")
261 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
262 # When companion libraries are build static (eg !shared),
263 # the libstdc++ is not pulled automatically, although it
264 # is needed. Shoe-horn it in our LDFLAGS
265 # Ditto libm on some Fedora boxen
266 core_LDFLAGS+=("-lstdc++")
267 core_LDFLAGS+=("-lm")
271 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
272 extra_config+=("--with-gmp=${complibs}")
273 extra_config+=("--with-mpfr=${complibs}")
275 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
276 extra_config+=("--with-mpc=${complibs}")
278 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
279 extra_config+=("--with-ppl=${complibs}")
280 # With PPL 0.11+, also pull libpwl if needed
281 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
282 host_libstdcxx_flags+=("-L${complibs}/lib")
283 host_libstdcxx_flags+=("-lpwl")
285 extra_config+=("--with-cloog=${complibs}")
286 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
287 extra_config+=("--with-ppl=no")
288 extra_config+=("--with-cloog=no")
290 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
291 extra_config+=("--with-libelf=${complibs}")
292 extra_config+=("--enable-lto")
293 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
294 extra_config+=("--with-libelf=no")
295 extra_config+=("--disable-lto")
298 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
299 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
302 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
303 extra_config+=("--enable-target-optspace")
306 case "${CT_CC_GCC_LDBL_128}" in
307 y) extra_config+=("--with-long-double-128");;
309 "") extra_config+=("--without-long-double-128");;
312 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
313 extra_config+=( --enable-linker-build-id )
316 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
318 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
323 case "${CT_CC_GCC_mips_llsc}" in
324 y) extra_config+=( --with-llsc );;
326 *) extra_config+=( --without-llsc );;
328 case "${CT_CC_GCC_mips_synci}" in
329 y) extra_config+=( --with-synci );;
331 *) extra_config+=( --without-synci );;
333 if [ "${CT_CC_GCC_mips_plt}" ]; then
334 extra_config+=( --with-mips-plt )
339 extra_config+=(--disable-libgomp)
340 extra_config+=(--disable-libmudflap)
342 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
344 [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")
346 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
347 extra_config+=("--with-system-zlib")
350 if [ "${CT_MULTILIB}" = "y" ]; then
351 extra_config+=("--enable-multilib")
353 extra_config+=("--disable-multilib")
356 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
358 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
360 CC_FOR_BUILD="${CT_BUILD}-gcc" \
362 LDFLAGS="${core_LDFLAGS[*]}" \
363 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
364 --build=${CT_BUILD} \
366 --target=${CT_TARGET} \
367 --prefix="${prefix}" \
368 --with-local-prefix="${CT_SYSROOT_DIR}" \
369 --disable-libmudflap \
370 ${CC_CORE_SYSROOT_ARG} \
371 "${extra_config[@]}" \
372 --enable-languages="${lang_list}" \
373 "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"
375 if [ "${build_libgcc}" = "yes" ]; then
376 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
377 # gcc/config/t-libunwind so -lc is removed from the link for
378 # libgcc_s.so, as we do not have a target -lc yet.
379 # This is not as ugly as it appears to be ;-) All symbols get resolved
380 # during the glibc build, and we provide a proper libgcc_s.so for the
381 # cross toolchain during the final gcc build.
383 # As we cannot modify the source tree, nor override SHLIB_LC itself
384 # during configure or make, we have to edit the resultant
385 # gcc/libgcc.mk itself to remove -lc from the link.
386 # This causes us to have to jump through some hoops...
388 # To produce libgcc.mk to edit we firstly require libiberty.a,
389 # so we configure then build it.
390 # Next we have to configure gcc, create libgcc.mk then edit it...
391 # So much easier if we just edit the source tree, but hey...
392 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
393 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty
394 CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
395 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp
396 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
398 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty
399 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
401 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
402 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
403 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber
404 CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
407 # Starting with GCC 4.3, libgcc.mk is no longer built,
408 # and libgcc.mvars is used instead.
410 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
411 libgcc_rule="libgcc.mvars"
412 core_targets=( gcc target-libgcc )
414 libgcc_rule="libgcc.mk"
418 # On bare metal and canadian build the host-compiler is used when
419 # actually the build-system compiler is required. Choose the correct
420 # compilers for canadian build and use the defaults on other
422 if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
423 repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
424 GCC_FOR_TARGET=${CT_TARGET}-gcc"
429 CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
431 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
435 if [ "${build_libstdcxx}" = "yes" \
436 -a "${CT_CC_LANG_CXX}" = "y" \
438 core_targets+=( target-libstdc++-v3 )
441 CT_DoLog EXTRA "Building core C compiler"
442 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
444 CT_DoLog EXTRA "Installing core C compiler"
445 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"
447 if [ "${build_manuals}" = "yes" ]; then
448 CT_DoLog EXTRA "Building the GCC manuals"
449 CT_DoExecLog ALL make pdf html
450 CT_DoLog EXTRA "Installing the GCC manuals"
451 CT_DoExecLog ALL make install-{pdf,html}-gcc
454 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
455 # to call the C compiler with the same, somewhat canonical name.
456 # check whether compiler has an extension
457 file="$( ls -1 "${prefix}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
458 [ -z "${file}" ] || ext=".${file##*.}"
459 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
461 if [ "${CT_MULTILIB}" = "y" ]; then
462 multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib \
464 if [ ${#multilibs[@]} -ne 0 ]; then
465 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
466 for i in "${multilibs[@]}"; do
469 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
472 CT_DoLog WARN "gcc configured for multilib, but none available"
477 #------------------------------------------------------------------------------
478 # Build complete gcc to run on build
480 local -a build_final_opts
481 local build_final_backend
483 # In case we're canadian or cross-native, it seems that a
484 # real, complete compiler is needed?!? WTF? Sigh...
485 # Otherwise, there is nothing to do.
486 case "${CT_TOOLCHAIN_TYPE}" in
487 native|cross) return 0;;
490 build_final_opts+=( "host=${CT_BUILD}" )
491 build_final_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
492 build_final_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
493 build_final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
494 if [ "${CT_BARE_METAL}" = "y" ]; then
495 # In the tests I've done, bare-metal was not impacted by the
496 # lack of such a compiler, but better safe than sorry...
497 build_final_opts+=( "mode=baremetal" )
498 build_final_opts+=( "build_libgcc=yes" )
499 build_final_opts+=( "build_libstdcxx=yes" )
500 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
501 build_final_opts+=( "build_staticlinked=yes" )
503 build_final_backend=do_cc_core_backend
505 build_final_backend=do_cc_backend
508 CT_DoStep INFO "Installing final compiler for build"
509 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final-build-${CT_BUILD}"
511 "${build_final_backend}" "${build_final_opts[@]}"
517 #------------------------------------------------------------------------------
518 # Build final gcc to run on host
523 final_opts+=( "host=${CT_HOST}" )
524 final_opts+=( "prefix=${CT_PREFIX_DIR}" )
525 final_opts+=( "complibs=${CT_HOST_COMPLIBS_DIR}" )
526 final_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
527 final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
528 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
529 final_opts+=( "build_manuals=yes" )
531 if [ "${CT_BARE_METAL}" = "y" ]; then
532 final_opts+=( "mode=baremetal" )
533 final_opts+=( "build_libgcc=yes" )
534 final_opts+=( "build_libstdcxx=yes" )
535 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
536 final_opts+=( "build_staticlinked=yes" )
538 final_backend=do_cc_core_backend
540 final_backend=do_cc_backend
543 CT_DoStep INFO "Installing final compiler"
544 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final"
546 "${final_backend}" "${final_opts[@]}"
552 #------------------------------------------------------------------------------
553 # Build the final gcc
554 # Usage: do_cc_backend param=value [...]
555 # Parameter : Definition : Type : Default
556 # host : the host we run onto : tuple : (none)
557 # prefix : the runtime prefix : dir : (none)
558 # complibs : the companion libraries prefix : dir : (none)
559 # cflags : the host CFLAGS : string : (empty)
560 # lang_list : the list of languages to build : string : (empty)
561 # build_manuals : whether to build manuals or not : bool : no
569 local -a host_libstdcxx_flags
570 local -a extra_config
571 local -a final_LDFLAGS
579 CT_DoLog EXTRA "Configuring final compiler"
581 # Enable selected languages
582 extra_config+=("--enable-languages=${lang_list}")
584 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
585 eval tmp="\${CT_ARCH_WITH_${tmp}}"
586 if [ -n "${tmp}" ]; then
587 extra_config+=("${tmp}")
591 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
592 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
593 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
594 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
596 case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
597 y) extra_config+=("--enable-sjlj-exceptions");;
599 "") extra_config+=("--disable-sjlj-exceptions");;
601 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
602 extra_config+=("--enable-__cxa_atexit")
604 extra_config+=("--disable-__cxa_atexit")
606 if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
607 extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
609 if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
610 extra_config+=(--enable-libmudflap)
612 extra_config+=(--disable-libmudflap)
614 if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
615 extra_config+=(--enable-libgomp)
617 extra_config+=(--disable-libgomp)
619 if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
620 extra_config+=(--enable-libssp)
622 extra_config+=(--disable-libssp)
626 # Keep this full if-else-if-elif-fi-fi block in sync
627 # with the same block in do_cc_core, above.
628 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
629 final_LDFLAGS+=("-static")
630 host_libstdcxx_flags+=("-static-libgcc")
631 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
632 host_libstdcxx_flags+=("-lm")
633 # Companion libraries are build static (eg !shared), so
634 # the libstdc++ is not pulled automatically, although it
635 # is needed. Shoe-horn it in our LDFLAGS
636 # Ditto libm on some Fedora boxen
637 final_LDFLAGS+=("-lstdc++")
638 final_LDFLAGS+=("-lm")
640 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
641 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
643 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
644 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
645 host_libstdcxx_flags+=("-static-libgcc")
646 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
647 host_libstdcxx_flags+=("-lm")
648 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
649 # When companion libraries are build static (eg !shared),
650 # the libstdc++ is not pulled automatically, although it
651 # is needed. Shoe-horn it in our LDFLAGS
652 # Ditto libm on some Fedora boxen
653 final_LDFLAGS+=("-lstdc++")
654 final_LDFLAGS+=("-lm")
658 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
659 extra_config+=("--with-gmp=${complibs}")
660 extra_config+=("--with-mpfr=${complibs}")
662 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
663 extra_config+=("--with-mpc=${complibs}")
665 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
666 extra_config+=("--with-ppl=${complibs}")
667 # With PPL 0.11+, also pull libpwl if needed
668 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
669 host_libstdcxx_flags+=("-L${complibs}/lib")
670 host_libstdcxx_flags+=("-lpwl")
672 extra_config+=("--with-cloog=${complibs}")
673 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
674 extra_config+=("--with-ppl=no")
675 extra_config+=("--with-cloog=no")
677 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
678 extra_config+=("--with-libelf=${complibs}")
679 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
680 extra_config+=("--with-libelf=no")
683 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
684 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
687 if [ "${CT_THREADS}" = "none" ]; then
688 extra_config+=("--disable-threads")
689 if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
690 CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
691 extra_config+=("--disable-libgomp")
694 if [ "${CT_THREADS}" = "win32" ]; then
695 extra_config+=("--enable-threads=win32")
696 extra_config+=("--disable-win32-registry")
698 extra_config+=("--enable-threads=posix")
702 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
703 extra_config+=("--enable-target-optspace")
705 if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
706 extra_config+=("--disable-libstdcxx-pch")
709 case "${CT_CC_GCC_LDBL_128}" in
710 y) extra_config+=("--with-long-double-128");;
712 "") extra_config+=("--without-long-double-128");;
715 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
716 extra_config+=( --enable-linker-build-id )
719 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
721 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
724 if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
725 extra_config+=( --enable-plugin )
727 if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
728 extra_config+=( --enable-gold )
733 case "${CT_CC_GCC_mips_llsc}" in
734 y) extra_config+=( --with-llsc );;
736 *) extra_config+=( --without-llsc );;
738 case "${CT_CC_GCC_mips_synci}" in
739 y) extra_config+=( --with-synci );;
741 *) extra_config+=( --without-synci );;
743 if [ "${CT_CC_GCC_mips_plt}" ]; then
744 extra_config+=( --with-mips-plt )
749 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
751 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
752 extra_config+=("--with-system-zlib")
755 if [ "${CT_MULTILIB}" = "y" ]; then
756 extra_config+=("--enable-multilib")
758 extra_config+=("--disable-multilib")
761 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
764 CC_FOR_BUILD="${CT_BUILD}-gcc" \
766 LDFLAGS="${final_LDFLAGS[*]}" \
767 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
768 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
769 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
770 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
771 --build=${CT_BUILD} \
773 --target=${CT_TARGET} \
774 --prefix="${prefix}" \
776 "${extra_config[@]}" \
777 --with-local-prefix="${CT_SYSROOT_DIR}" \
780 "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
782 if [ "${CT_CANADIAN}" = "y" ]; then
783 CT_DoLog EXTRA "Building libiberty"
784 CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
787 CT_DoLog EXTRA "Building final compiler"
788 CT_DoExecLog ALL make ${JOBSFLAGS} all
790 CT_DoLog EXTRA "Installing final compiler"
791 CT_DoExecLog ALL make ${JOBSFLAGS} install
793 if [ "${build_manuals}" = "yes" ]; then
794 CT_DoLog EXTRA "Building the GCC manuals"
795 CT_DoExecLog ALL make ${JOBSFLAGS} pdf html
796 CT_DoLog EXTRA "Installing the GCC manuals"
797 CT_DoExecLog ALL make install-{pdf,html}-gcc
800 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
801 # to call the C compiler with the same, somewhat canonical name.
802 # check whether compiler has an extension
803 file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
804 [ -z "${file}" ] || ext=".${file##*.}"
805 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"
807 if [ "${CT_MULTILIB}" = "y" ]; then
808 multilibs=( $( "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc" -print-multi-lib \
810 if [ ${#multilibs[@]} -ne 0 ]; then
811 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
812 for i in "${multilibs[@]}"; do
815 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
818 CT_DoLog WARN "gcc configured for multilib, but none available"