1 # This file adds the function to build the gcc C compiler
2 # Copyright 2007 Yann E. MORIN
3 # Licensed under the GPL v2. See COPYING in the root of this package
9 local linaro_base_url="http://launchpad.net/gcc-linaro"
11 if [ "${CT_CC_CUSTOM}" = "y" ]; then
12 CT_GetCustom "gcc" "${CT_CC_VERSION}" "${CT_CC_CUSTOM_LOCATION}"
14 # Account for the Linaro versioning
15 linaro_version="$( echo "${CT_CC_VERSION}" \
16 |sed -r -e 's/^linaro-//;' \
18 linaro_series="$( echo "${linaro_version}" \
19 |sed -r -e 's/-.*//;' \
22 # Ah! gcc folks are kind of 'different': they store the tarballs in
23 # subdirectories of the same name!
24 # Arrgghh! Some of those versions does not follow this convention:
25 # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a
27 CT_GetFile "gcc-${CT_CC_VERSION}" \
28 {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/gcc-${CT_CC_VERSION}} \
29 ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/releases/gcc-${CT_CC_VERSION} \
30 ftp://ftp.uvsq.fr/pub/gcc/snapshots/${CT_CC_VERSION} \
31 "${linaro_base_url}/${linaro_series}/${linaro_version}/+download"
33 fi # ! custom location
34 # Starting with GCC 4.3, ecj is used for Java, and will only be
35 # built if the configure script finds ecj.jar at the top of the
36 # GCC source tree, which will not be there unless we get it and
37 # put it there ourselves
38 if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" ]; then
39 CT_GetFile ecj-latest .jar ftp://gcc.gnu.org/pub/java \
40 ftp://sourceware.org/pub/java
46 # If using custom directory location, nothing to do
47 if [ "${CT_CC_CUSTOM}" = "y" \
48 -a -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}" ]; then
52 CT_Extract "gcc-${CT_CC_VERSION}"
53 CT_Patch "gcc" "${CT_CC_VERSION}"
55 # Copy ecj-latest.jar to ecj.jar at the top of the GCC source tree
56 if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" \
57 -a ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar" \
59 CT_DoExecLog ALL cp -v "${CT_TARBALLS_DIR}/ecj-latest.jar" "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"
63 #------------------------------------------------------------------------------
64 # This function builds up the set of languages to enable
65 # No argument expected, returns the comma-separated language list on stdout
70 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_list+=",c++"
71 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_list+=",fortran"
72 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_list+=",ada"
73 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_list+=",java"
74 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_list+=",objc"
75 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_list+=",obj-c++"
76 lang_list+="${CT_CC_LANG_OTHERS:+,${CT_CC_LANG_OTHERS}}"
78 printf "%s" "${lang_list}"
81 #------------------------------------------------------------------------------
86 core_opts+=( "mode=static" )
87 core_opts+=( "host=${CT_BUILD}" )
88 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
89 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
90 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
91 core_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
92 core_opts+=( "lang_list=c" )
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[@]}"
104 do_cc_core_pass_2() {
108 core_opts+=( "host=${CT_BUILD}" )
109 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
110 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
111 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
112 core_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
113 core_opts+=( "lang_list=c" )
115 # Different conditions are at stake here:
116 # - In case the threading model is NPTL, we need a shared-capable core
117 # gcc; in all other cases, we need a static-only core gcc.
118 # - In case the threading model is NPTL or win32, or gcc is 4.3 or
119 # later, we need to build libgcc
120 case "${CT_THREADS}" in
122 core_opts+=( "mode=shared" )
123 core_opts+=( "build_libgcc=yes" )
126 core_opts+=( "mode=static" )
127 core_opts+=( "build_libgcc=yes" )
130 core_opts+=( "mode=static" )
131 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
132 core_opts+=( "build_libgcc=yes" )
137 CT_DoStep INFO "Installing pass-2 core C compiler"
138 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-2"
140 do_cc_core_backend "${core_opts[@]}"
146 #------------------------------------------------------------------------------
148 # This function is used to build the core C compiler.
149 # Usage: do_cc_core_backend param=value [...]
150 # Parameter : Definition : Type : Default
151 # mode : build a 'static', 'shared' or 'baremetal' : string : (none)
152 # host : the machine the core will run on : tuple : (none)
153 # prefix : dir prefix to install into : dir : (none)
154 # complibs : dir where complibs are isntalled : dir : (none)
155 # lang_list : the list of languages to build : string : (empty)
156 # build_libgcc : build libgcc or not : bool : no
157 # build_libstdcxx : build libstdc++ or not : bool : no
158 # build_staticlinked : build statically linked or not : bool : no
159 # build_manuals : whether to build manuals or not : bool : no
160 # cflags : cflags to use : string : (empty)
161 # ldflags : ldflags to use : string : (empty)
162 # Usage: do_cc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]
163 do_cc_core_backend() {
165 local build_libgcc=no
166 local build_libstdcxx=no
167 local build_staticlinked=no
168 local build_manuals=no
176 local -a host_libstdcxx_flags
177 local -a extra_config
178 local -a core_LDFLAGS
179 local -a core_targets
186 CT_DoLog EXTRA "Configuring core C compiler"
190 extra_config+=("--with-newlib")
191 extra_config+=("--enable-threads=no")
192 extra_config+=("--disable-shared")
193 copy_headers=y # For baremetal, as there's no headers to copy,
194 # we copy an empty directory. So, who cares?
197 extra_config+=("--enable-shared")
201 extra_config+=("--with-newlib")
202 extra_config+=("--enable-threads=no")
203 extra_config+=("--disable-shared")
207 CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
211 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
212 # Bare metal delivers the core compiler as final compiler, so add version info and bugurl
213 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
214 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
217 if [ "${copy_headers}" = "y" ]; then
218 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
219 CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${prefix}/${CT_TARGET}/include"
222 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
223 eval tmp="\${CT_ARCH_WITH_${tmp}}"
224 if [ -n "${tmp}" ]; then
225 extra_config+=("${tmp}")
228 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
229 extra_config+=("--enable-__cxa_atexit")
231 extra_config+=("--disable-__cxa_atexit")
234 core_LDFLAGS+=("${ldflags}")
237 # Keep this full if-else-if-elif-fi-fi block in sync
238 # with the same block in do_cc, below.
239 if [ "${build_staticlinked}" = "yes" ]; then
240 core_LDFLAGS+=("-static")
241 host_libstdcxx_flags+=("-static-libgcc")
242 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
243 host_libstdcxx_flags+=("-lm")
244 # Companion libraries are build static (eg !shared), so
245 # the libstdc++ is not pulled automatically, although it
246 # is needed. Shoe-horn it in our LDFLAGS
247 # Ditto libm on some Fedora boxen
248 core_LDFLAGS+=("-lstdc++")
249 core_LDFLAGS+=("-lm")
251 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
252 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
254 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
255 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
256 host_libstdcxx_flags+=("-static-libgcc")
257 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
258 host_libstdcxx_flags+=("-lm")
259 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
260 # When companion libraries are build static (eg !shared),
261 # the libstdc++ is not pulled automatically, although it
262 # is needed. Shoe-horn it in our LDFLAGS
263 # Ditto libm on some Fedora boxen
264 core_LDFLAGS+=("-lstdc++")
265 core_LDFLAGS+=("-lm")
269 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
270 extra_config+=("--with-gmp=${complibs}")
271 extra_config+=("--with-mpfr=${complibs}")
273 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
274 extra_config+=("--with-mpc=${complibs}")
276 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
277 extra_config+=("--with-ppl=${complibs}")
278 # With PPL 0.11+, also pull libpwl if needed
279 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
280 host_libstdcxx_flags+=("-L${complibs}/lib")
281 host_libstdcxx_flags+=("-lpwl")
283 extra_config+=("--with-cloog=${complibs}")
284 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
285 extra_config+=("--with-ppl=no")
286 extra_config+=("--with-cloog=no")
288 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
289 extra_config+=("--with-libelf=${complibs}")
290 extra_config+=("--enable-lto")
291 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
292 extra_config+=("--with-libelf=no")
293 extra_config+=("--disable-lto")
296 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
297 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
300 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
301 extra_config+=("--enable-target-optspace")
304 case "${CT_CC_GCC_LDBL_128}" in
305 y) extra_config+=("--with-long-double-128");;
307 "") extra_config+=("--without-long-double-128");;
310 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
311 extra_config+=( --enable-linker-build-id )
314 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
316 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
321 case "${CT_CC_GCC_mips_llsc}" in
322 y) extra_config+=( --with-llsc );;
324 *) extra_config+=( --without-llsc );;
326 case "${CT_CC_GCC_mips_synci}" in
327 y) extra_config+=( --with-synci );;
329 *) extra_config+=( --without-synci );;
331 if [ "${CT_CC_GCC_mips_plt}" ]; then
332 extra_config+=( --with-mips-plt )
337 extra_config+=(--disable-libgomp)
338 extra_config+=(--disable-libmudflap)
340 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
342 [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")
344 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
345 extra_config+=("--with-system-zlib")
348 if [ "${CT_MULTILIB}" = "y" ]; then
349 extra_config+=("--enable-multilib")
351 extra_config+=("--disable-multilib")
354 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
356 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
358 CC_FOR_BUILD="${CT_BUILD}-gcc" \
360 LDFLAGS="${core_LDFLAGS[*]}" \
361 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
362 --build=${CT_BUILD} \
364 --target=${CT_TARGET} \
365 --prefix="${prefix}" \
366 --with-local-prefix="${CT_SYSROOT_DIR}" \
367 --disable-libmudflap \
368 ${CC_CORE_SYSROOT_ARG} \
369 "${extra_config[@]}" \
370 --enable-languages="${lang_list}" \
371 "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"
373 if [ "${build_libgcc}" = "yes" ]; then
374 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
375 # gcc/config/t-libunwind so -lc is removed from the link for
376 # libgcc_s.so, as we do not have a target -lc yet.
377 # This is not as ugly as it appears to be ;-) All symbols get resolved
378 # during the glibc build, and we provide a proper libgcc_s.so for the
379 # cross toolchain during the final gcc build.
381 # As we cannot modify the source tree, nor override SHLIB_LC itself
382 # during configure or make, we have to edit the resultant
383 # gcc/libgcc.mk itself to remove -lc from the link.
384 # This causes us to have to jump through some hoops...
386 # To produce libgcc.mk to edit we firstly require libiberty.a,
387 # so we configure then build it.
388 # Next we have to configure gcc, create libgcc.mk then edit it...
389 # So much easier if we just edit the source tree, but hey...
390 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
391 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty
392 CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
393 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp
394 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
396 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty
397 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
399 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
400 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
401 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber
402 CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
405 # Starting with GCC 4.3, libgcc.mk is no longer built,
406 # and libgcc.mvars is used instead.
408 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
409 libgcc_rule="libgcc.mvars"
410 core_targets=( gcc target-libgcc )
412 libgcc_rule="libgcc.mk"
416 # On bare metal and canadian build the host-compiler is used when
417 # actually the build-system compiler is required. Choose the correct
418 # compilers for canadian build and use the defaults on other
420 if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
421 repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
422 GCC_FOR_TARGET=${CT_TARGET}-gcc"
427 CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
429 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
433 if [ "${build_libstdcxx}" = "yes" \
434 -a "${CT_CC_LANG_CXX}" = "y" \
436 core_targets+=( target-libstdc++-v3 )
439 CT_DoLog EXTRA "Building core C compiler"
440 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
442 CT_DoLog EXTRA "Installing core C compiler"
443 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"
445 if [ "${build_manuals}" = "yes" ]; then
446 CT_DoLog EXTRA "Building the GCC manuals"
447 CT_DoExecLog ALL make pdf html
448 CT_DoLog EXTRA "Installing the GCC manuals"
449 CT_DoExecLog ALL make install-{pdf,html}-gcc
452 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
453 # to call the C compiler with the same, somewhat canonical name.
454 # check whether compiler has an extension
455 file="$( ls -1 "${prefix}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
456 [ -z "${file}" ] || ext=".${file##*.}"
457 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
459 if [ "${CT_MULTILIB}" = "y" ]; then
460 if [ "${CT_CANADIAN}" = "y" -a "${mode}" = "baremetal" \
461 -a "${host}" = "${CT_HOST}" ]; then
462 CT_DoLog WARN "Canadian Cross unable to confirm multilibs configured correctly"
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//@/ -} --> ${dir}/"
474 CT_DoLog WARN "gcc configured for multilib, but none available"
480 #------------------------------------------------------------------------------
481 # Build complete gcc to run on build
483 local -a build_final_opts
484 local build_final_backend
486 # In case we're canadian or cross-native, it seems that a
487 # real, complete compiler is needed?!? WTF? Sigh...
488 # Otherwise, there is nothing to do.
489 case "${CT_TOOLCHAIN_TYPE}" in
490 native|cross) return 0;;
493 build_final_opts+=( "host=${CT_BUILD}" )
494 build_final_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
495 build_final_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
496 build_final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
497 if [ "${CT_BARE_METAL}" = "y" ]; then
498 # In the tests I've done, bare-metal was not impacted by the
499 # lack of such a compiler, but better safe than sorry...
500 build_final_opts+=( "mode=baremetal" )
501 build_final_opts+=( "build_libgcc=yes" )
502 build_final_opts+=( "build_libstdcxx=yes" )
503 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
504 build_final_opts+=( "build_staticlinked=yes" )
506 build_final_backend=do_cc_core_backend
508 build_final_backend=do_cc_backend
511 CT_DoStep INFO "Installing final compiler for build"
512 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final-build-${CT_BUILD}"
514 "${build_final_backend}" "${build_final_opts[@]}"
520 #------------------------------------------------------------------------------
521 # Build final gcc to run on host
526 final_opts+=( "host=${CT_HOST}" )
527 final_opts+=( "prefix=${CT_PREFIX_DIR}" )
528 final_opts+=( "complibs=${CT_HOST_COMPLIBS_DIR}" )
529 final_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
530 final_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
531 final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
532 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
533 final_opts+=( "build_manuals=yes" )
535 if [ "${CT_BARE_METAL}" = "y" ]; then
536 final_opts+=( "mode=baremetal" )
537 final_opts+=( "build_libgcc=yes" )
538 final_opts+=( "build_libstdcxx=yes" )
539 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
540 final_opts+=( "build_staticlinked=yes" )
542 final_backend=do_cc_core_backend
544 final_backend=do_cc_backend
547 CT_DoStep INFO "Installing final compiler"
548 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final"
550 "${final_backend}" "${final_opts[@]}"
556 #------------------------------------------------------------------------------
557 # Build the final gcc
558 # Usage: do_cc_backend param=value [...]
559 # Parameter : Definition : Type : Default
560 # host : the host we run onto : tuple : (none)
561 # prefix : the runtime prefix : dir : (none)
562 # complibs : the companion libraries prefix : dir : (none)
563 # cflags : cflags to use : string : (empty)
564 # ldflags : ldflags to use : string : (empty)
565 # lang_list : the list of languages to build : string : (empty)
566 # build_manuals : whether to build manuals or not : bool : no
575 local -a host_libstdcxx_flags
576 local -a extra_config
577 local -a final_LDFLAGS
585 CT_DoLog EXTRA "Configuring final compiler"
587 # Enable selected languages
588 extra_config+=("--enable-languages=${lang_list}")
590 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
591 eval tmp="\${CT_ARCH_WITH_${tmp}}"
592 if [ -n "${tmp}" ]; then
593 extra_config+=("${tmp}")
597 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
598 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
599 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
600 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
602 case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
603 y) extra_config+=("--enable-sjlj-exceptions");;
605 "") extra_config+=("--disable-sjlj-exceptions");;
607 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
608 extra_config+=("--enable-__cxa_atexit")
610 extra_config+=("--disable-__cxa_atexit")
612 if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
613 extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
615 if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
616 extra_config+=(--enable-libmudflap)
618 extra_config+=(--disable-libmudflap)
620 if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
621 extra_config+=(--enable-libgomp)
623 extra_config+=(--disable-libgomp)
625 if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
626 extra_config+=(--enable-libssp)
628 extra_config+=(--disable-libssp)
630 if [ "${CT_CC_GCC_HAS_LIBQUADMATH}" = "y" ]; then
631 if [ "${CT_CC_GCC_LIBQUADMATH}" = "y" ]; then
632 extra_config+=(--enable-libquadmath)
633 extra_config+=(--enable-libquadmath-support)
635 extra_config+=(--disable-libquadmath)
636 extra_config+=(--disable-libquadmath-support)
640 final_LDFLAGS+=("${ldflags}")
643 # Keep this full if-else-if-elif-fi-fi block in sync
644 # with the same block in do_cc_core, above.
645 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
646 final_LDFLAGS+=("-static")
647 host_libstdcxx_flags+=("-static-libgcc")
648 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
649 host_libstdcxx_flags+=("-lm")
650 # Companion libraries are build static (eg !shared), so
651 # the libstdc++ is not pulled automatically, although it
652 # is needed. Shoe-horn it in our LDFLAGS
653 # Ditto libm on some Fedora boxen
654 final_LDFLAGS+=("-lstdc++")
655 final_LDFLAGS+=("-lm")
657 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
658 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
660 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
661 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
662 host_libstdcxx_flags+=("-static-libgcc")
663 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
664 host_libstdcxx_flags+=("-lm")
665 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
666 # When companion libraries are build static (eg !shared),
667 # the libstdc++ is not pulled automatically, although it
668 # is needed. Shoe-horn it in our LDFLAGS
669 # Ditto libm on some Fedora boxen
670 final_LDFLAGS+=("-lstdc++")
671 final_LDFLAGS+=("-lm")
675 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
676 extra_config+=("--with-gmp=${complibs}")
677 extra_config+=("--with-mpfr=${complibs}")
679 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
680 extra_config+=("--with-mpc=${complibs}")
682 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
683 extra_config+=("--with-ppl=${complibs}")
684 # With PPL 0.11+, also pull libpwl if needed
685 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
686 host_libstdcxx_flags+=("-L${complibs}/lib")
687 host_libstdcxx_flags+=("-lpwl")
689 extra_config+=("--with-cloog=${complibs}")
690 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
691 extra_config+=("--with-ppl=no")
692 extra_config+=("--with-cloog=no")
694 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
695 extra_config+=("--with-libelf=${complibs}")
696 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
697 extra_config+=("--with-libelf=no")
700 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
701 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
704 if [ "${CT_THREADS}" = "none" ]; then
705 extra_config+=("--disable-threads")
706 if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
707 CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
708 extra_config+=("--disable-libgomp")
711 if [ "${CT_THREADS}" = "win32" ]; then
712 extra_config+=("--enable-threads=win32")
713 extra_config+=("--disable-win32-registry")
715 extra_config+=("--enable-threads=posix")
719 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
720 extra_config+=("--enable-target-optspace")
722 if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
723 extra_config+=("--disable-libstdcxx-pch")
726 case "${CT_CC_GCC_LDBL_128}" in
727 y) extra_config+=("--with-long-double-128");;
729 "") extra_config+=("--without-long-double-128");;
732 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
733 extra_config+=( --enable-linker-build-id )
736 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
738 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
741 if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
742 extra_config+=( --enable-plugin )
744 if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
745 extra_config+=( --enable-gold )
750 case "${CT_CC_GCC_mips_llsc}" in
751 y) extra_config+=( --with-llsc );;
753 *) extra_config+=( --without-llsc );;
755 case "${CT_CC_GCC_mips_synci}" in
756 y) extra_config+=( --with-synci );;
758 *) extra_config+=( --without-synci );;
760 if [ "${CT_CC_GCC_mips_plt}" ]; then
761 extra_config+=( --with-mips-plt )
766 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
768 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
769 extra_config+=("--with-system-zlib")
772 if [ "${CT_MULTILIB}" = "y" ]; then
773 extra_config+=("--enable-multilib")
775 extra_config+=("--disable-multilib")
778 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
781 CC_FOR_BUILD="${CT_BUILD}-gcc" \
783 LDFLAGS="${final_LDFLAGS[*]}" \
784 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
785 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
786 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
787 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
788 --build=${CT_BUILD} \
790 --target=${CT_TARGET} \
791 --prefix="${prefix}" \
793 "${extra_config[@]}" \
794 --with-local-prefix="${CT_SYSROOT_DIR}" \
797 "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
799 if [ "${CT_CANADIAN}" = "y" ]; then
800 CT_DoLog EXTRA "Building libiberty"
801 CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
804 CT_DoLog EXTRA "Building final compiler"
805 CT_DoExecLog ALL make ${JOBSFLAGS} all
807 CT_DoLog EXTRA "Installing final compiler"
808 CT_DoExecLog ALL make ${JOBSFLAGS} install
810 if [ "${build_manuals}" = "yes" ]; then
811 CT_DoLog EXTRA "Building the GCC manuals"
812 CT_DoExecLog ALL make pdf html
813 CT_DoLog EXTRA "Installing the GCC manuals"
814 CT_DoExecLog ALL make install-{pdf,html}-gcc
817 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
818 # to call the C compiler with the same, somewhat canonical name.
819 # check whether compiler has an extension
820 file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
821 [ -z "${file}" ] || ext=".${file##*.}"
822 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"
824 if [ "${CT_MULTILIB}" = "y" ]; then
825 if [ "${CT_CANADIAN}" = "y" ]; then
826 CT_DoLog WARN "Canadian Cross unable to confirm multilibs configured correctly"
828 multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib \
830 if [ ${#multilibs[@]} -ne 0 ]; then
831 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
832 for i in "${multilibs[@]}"; do
835 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
838 CT_DoLog WARN "gcc configured for multilib, but none available"