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 [ "${CT_CC_LANG_GOLANG}" = "y" ] && lang_list+=",go"
77 lang_list+="${CT_CC_LANG_OTHERS:+,${CT_CC_LANG_OTHERS}}"
79 printf "%s" "${lang_list}"
82 #------------------------------------------------------------------------------
87 if [ "${CT_CC_CORE_PASSES_NEEDED}" != "y" ]; then
91 core_opts+=( "mode=static" )
92 core_opts+=( "host=${CT_BUILD}" )
93 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
94 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
95 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
96 core_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
97 core_opts+=( "lang_list=c" )
99 CT_DoStep INFO "Installing pass-1 core C compiler"
100 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-1"
102 do_cc_core_backend "${core_opts[@]}"
109 do_cc_core_pass_2() {
112 if [ "${CT_CC_CORE_PASSES_NEEDED}" != "y" ]; then
117 core_opts+=( "host=${CT_BUILD}" )
118 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
119 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
120 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
121 core_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
122 core_opts+=( "lang_list=c" )
124 # Different conditions are at stake here:
125 # - In case the threading model is NPTL, we need a shared-capable core
126 # gcc; in all other cases, we need a static-only core gcc.
127 # - In case the threading model is NPTL or win32, or gcc is 4.3 or
128 # later, we need to build libgcc
129 case "${CT_THREADS}" in
131 core_opts+=( "mode=shared" )
132 core_opts+=( "build_libgcc=yes" )
135 core_opts+=( "mode=static" )
136 core_opts+=( "build_libgcc=yes" )
139 core_opts+=( "mode=static" )
140 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
141 core_opts+=( "build_libgcc=yes" )
146 CT_DoStep INFO "Installing pass-2 core C compiler"
147 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-2"
149 do_cc_core_backend "${core_opts[@]}"
155 #------------------------------------------------------------------------------
157 # This function is used to build the core C compiler.
158 # Usage: do_cc_core_backend param=value [...]
159 # Parameter : Definition : Type : Default
160 # mode : build a 'static', 'shared' or 'baremetal' : string : (none)
161 # host : the machine the core will run on : tuple : (none)
162 # prefix : dir prefix to install into : dir : (none)
163 # complibs : dir where complibs are isntalled : dir : (none)
164 # lang_list : the list of languages to build : string : (empty)
165 # build_libgcc : build libgcc or not : bool : no
166 # build_libstdcxx : build libstdc++ or not : bool : no
167 # build_libgfortran : build libgfortran or not : bool : no
168 # build_staticlinked : build statically linked or not : bool : no
169 # build_manuals : whether to build manuals or not : bool : no
170 # cflags : cflags to use : string : (empty)
171 # ldflags : ldflags to use : string : (empty)
172 # Usage: do_cc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]
173 do_cc_core_backend() {
175 local build_libgcc=no
176 local build_libstdcxx=no
177 local build_libgfortran=no
178 local build_staticlinked=no
179 local build_manuals=no
187 local -a host_libstdcxx_flags
188 local -a extra_config
189 local -a core_LDFLAGS
190 local -a core_targets
197 CT_DoLog EXTRA "Configuring gcc"
201 extra_config+=("--with-newlib")
202 extra_config+=("--enable-threads=no")
203 extra_config+=("--disable-shared")
204 copy_headers=y # For baremetal, as there's no headers to copy,
205 # we copy an empty directory. So, who cares?
208 extra_config+=("--enable-shared")
212 extra_config+=("--with-newlib")
213 extra_config+=("--enable-threads=no")
214 extra_config+=("--disable-shared")
218 CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
222 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
223 # Bare metal delivers the core compiler as final compiler, so add version info and bugurl
224 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
225 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
228 if [ "${copy_headers}" = "y" ]; then
229 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
230 CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${prefix}/${CT_TARGET}/include"
233 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
234 eval tmp="\${CT_ARCH_WITH_${tmp}}"
235 if [ -n "${tmp}" ]; then
236 extra_config+=("${tmp}")
239 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
240 extra_config+=("--enable-__cxa_atexit")
242 extra_config+=("--disable-__cxa_atexit")
245 core_LDFLAGS+=("${ldflags}")
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 [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
288 if [ "${CT_PPL}" = "y" ]; then
289 extra_config+=("--with-ppl=${complibs}")
290 # With PPL 0.11+, also pull libpwl if needed
291 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
292 host_libstdcxx_flags+=("-L${complibs}/lib")
293 host_libstdcxx_flags+=("-lpwl")
296 if [ "${CT_ISL}" = "y" ]; then
297 extra_config+=("--with-isl=${complibs}")
299 extra_config+=("--with-cloog=${complibs}")
300 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
301 extra_config+=("--with-ppl=no")
302 extra_config+=("--with-isl=no")
303 extra_config+=("--with-cloog=no")
305 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
306 extra_config+=("--with-libelf=${complibs}")
307 extra_config+=("--enable-lto")
308 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
309 extra_config+=("--with-libelf=no")
310 extra_config+=("--disable-lto")
313 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
314 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
317 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
318 extra_config+=("--enable-target-optspace")
321 case "${CT_CC_GCC_LDBL_128}" in
322 y) extra_config+=("--with-long-double-128");;
324 "") extra_config+=("--without-long-double-128");;
327 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
328 extra_config+=( --enable-linker-build-id )
331 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
333 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
338 case "${CT_CC_GCC_mips_llsc}" in
339 y) extra_config+=( --with-llsc );;
341 *) extra_config+=( --without-llsc );;
343 case "${CT_CC_GCC_mips_synci}" in
344 y) extra_config+=( --with-synci );;
346 *) extra_config+=( --without-synci );;
348 if [ "${CT_CC_GCC_mips_plt}" ]; then
349 extra_config+=( --with-mips-plt )
354 extra_config+=(--disable-libgomp)
355 extra_config+=(--disable-libmudflap)
357 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
359 [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")
361 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
362 extra_config+=("--with-system-zlib")
365 if [ "${CT_MULTILIB}" = "y" ]; then
366 extra_config+=("--enable-multilib")
368 extra_config+=("--disable-multilib")
371 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
373 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
375 CC_FOR_BUILD="${CT_BUILD}-gcc" \
377 LDFLAGS="${core_LDFLAGS[*]}" \
378 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
379 --build=${CT_BUILD} \
381 --target=${CT_TARGET} \
382 --prefix="${prefix}" \
383 --with-local-prefix="${CT_SYSROOT_DIR}" \
384 --disable-libmudflap \
385 ${CC_CORE_SYSROOT_ARG} \
386 "${extra_config[@]}" \
387 --enable-languages="${lang_list}" \
388 "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"
390 if [ "${build_libgcc}" = "yes" ]; then
391 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
392 # gcc/config/t-libunwind so -lc is removed from the link for
393 # libgcc_s.so, as we do not have a target -lc yet.
394 # This is not as ugly as it appears to be ;-) All symbols get resolved
395 # during the glibc build, and we provide a proper libgcc_s.so for the
396 # cross toolchain during the final gcc build.
398 # As we cannot modify the source tree, nor override SHLIB_LC itself
399 # during configure or make, we have to edit the resultant
400 # gcc/libgcc.mk itself to remove -lc from the link.
401 # This causes us to have to jump through some hoops...
403 # To produce libgcc.mk to edit we firstly require libiberty.a,
404 # so we configure then build it.
405 # Next we have to configure gcc, create libgcc.mk then edit it...
406 # So much easier if we just edit the source tree, but hey...
407 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
408 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty
409 CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
410 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp
411 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
413 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty
414 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
416 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
417 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
418 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber
419 CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
421 # HACK: gcc-4.8 uses libbacktrace to make libgcc.mvars, so make it here.
422 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libbacktrace" ]; then
423 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libbacktrace
424 CT_DoExecLog ALL make ${JOBSFLAGS} -C libbacktrace
427 # Starting with GCC 4.3, libgcc.mk is no longer built,
428 # and libgcc.mvars is used instead.
430 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
431 libgcc_rule="libgcc.mvars"
432 core_targets=( gcc target-libgcc )
434 libgcc_rule="libgcc.mk"
438 # On bare metal and canadian build the host-compiler is used when
439 # actually the build-system compiler is required. Choose the correct
440 # compilers for canadian build and use the defaults on other
442 if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
443 repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
444 CXX_FOR_BUILD=${CT_BUILD}-g++ \
445 GCC_FOR_TARGET=${CT_TARGET}-gcc"
450 CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
452 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
456 if [ "${build_libstdcxx}" = "yes" \
457 -a "${CT_CC_LANG_CXX}" = "y" \
459 core_targets+=( target-libstdc++-v3 )
462 if [ "${build_libgfortran}" = "yes" \
463 -a "${CT_CC_LANG_FORTRAN}" = "y" \
465 core_targets+=( target-libgfortran )
468 CT_DoLog EXTRA "Building gcc"
469 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
471 CT_DoLog EXTRA "Installing gcc"
472 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"
474 if [ "${build_manuals}" = "yes" ]; then
475 CT_DoLog EXTRA "Building the GCC manuals"
476 CT_DoExecLog ALL make pdf html
477 CT_DoLog EXTRA "Installing the GCC manuals"
478 CT_DoExecLog ALL make install-{pdf,html}-gcc
481 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
482 # to call the C compiler with the same, somewhat canonical name.
483 # check whether compiler has an extension
484 file="$( ls -1 "${prefix}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
485 [ -z "${file}" ] || ext=".${file##*.}"
486 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
488 if [ "${CT_MULTILIB}" = "y" ]; then
489 if [ "${CT_CANADIAN}" = "y" -a "${mode}" = "baremetal" \
490 -a "${host}" = "${CT_HOST}" ]; then
491 CT_DoLog WARN "Canadian Cross unable to confirm multilibs configured correctly"
493 multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib \
495 if [ ${#multilibs[@]} -ne 0 ]; then
496 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
497 for i in "${multilibs[@]}"; do
500 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
503 CT_DoLog WARN "gcc configured for multilib, but none available"
509 #------------------------------------------------------------------------------
510 # Build complete gcc to run on build
512 local -a build_final_opts
513 local build_final_backend
515 # In case we're canadian or cross-native, it seems that a
516 # real, complete compiler is needed?!? WTF? Sigh...
517 # Otherwise, there is nothing to do.
518 case "${CT_TOOLCHAIN_TYPE}" in
519 native|cross) return 0;;
522 build_final_opts+=( "host=${CT_BUILD}" )
523 build_final_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
524 build_final_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
525 build_final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
526 if [ "${CT_BARE_METAL}" = "y" ]; then
527 # In the tests I've done, bare-metal was not impacted by the
528 # lack of such a compiler, but better safe than sorry...
529 build_final_opts+=( "mode=baremetal" )
530 build_final_opts+=( "build_libgcc=yes" )
531 build_final_opts+=( "build_libstdcxx=yes" )
532 build_final_opts+=( "build_libgfortran=yes" )
533 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
534 build_final_opts+=( "build_staticlinked=yes" )
536 build_final_backend=do_cc_core_backend
538 build_final_backend=do_cc_backend
541 CT_DoStep INFO "Installing final compiler for build"
542 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final-build-${CT_BUILD}"
544 "${build_final_backend}" "${build_final_opts[@]}"
550 #------------------------------------------------------------------------------
551 # Build final gcc to run on host
556 final_opts+=( "host=${CT_HOST}" )
557 final_opts+=( "prefix=${CT_PREFIX_DIR}" )
558 final_opts+=( "complibs=${CT_HOST_COMPLIBS_DIR}" )
559 final_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
560 final_opts+=( "ldflags=${CT_LDFLAGS_FOR_HOST}" )
561 final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
562 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
563 final_opts+=( "build_manuals=yes" )
565 if [ "${CT_BARE_METAL}" = "y" ]; then
566 final_opts+=( "mode=baremetal" )
567 final_opts+=( "build_libgcc=yes" )
568 final_opts+=( "build_libstdcxx=yes" )
569 final_opts+=( "build_libgfortran=yes" )
570 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
571 final_opts+=( "build_staticlinked=yes" )
573 final_backend=do_cc_core_backend
575 final_backend=do_cc_backend
578 CT_DoStep INFO "Installing final compiler"
579 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final"
581 "${final_backend}" "${final_opts[@]}"
587 #------------------------------------------------------------------------------
588 # Build the final gcc
589 # Usage: do_cc_backend param=value [...]
590 # Parameter : Definition : Type : Default
591 # host : the host we run onto : tuple : (none)
592 # prefix : the runtime prefix : dir : (none)
593 # complibs : the companion libraries prefix : dir : (none)
594 # cflags : cflags to use : string : (empty)
595 # ldflags : ldflags to use : string : (empty)
596 # lang_list : the list of languages to build : string : (empty)
597 # build_manuals : whether to build manuals or not : bool : no
606 local -a host_libstdcxx_flags
607 local -a extra_config
608 local -a final_LDFLAGS
616 CT_DoLog EXTRA "Configuring gcc"
618 # Enable selected languages
619 extra_config+=("--enable-languages=${lang_list}")
621 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
622 eval tmp="\${CT_ARCH_WITH_${tmp}}"
623 if [ -n "${tmp}" ]; then
624 extra_config+=("${tmp}")
628 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
629 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
630 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
631 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
633 case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
634 y) extra_config+=("--enable-sjlj-exceptions");;
636 "") extra_config+=("--disable-sjlj-exceptions");;
638 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
639 extra_config+=("--enable-__cxa_atexit")
641 extra_config+=("--disable-__cxa_atexit")
643 if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
644 extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
646 if [ "${CT_CC_GCC_4_8_or_later}" = "y" ]; then
647 if [ "${CT_THREADS}" = "none" ]; then
648 extra_config+=(--disable-libatomic)
651 if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
652 extra_config+=(--enable-libmudflap)
654 extra_config+=(--disable-libmudflap)
656 if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
657 extra_config+=(--enable-libgomp)
659 extra_config+=(--disable-libgomp)
661 if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
662 extra_config+=(--enable-libssp)
664 extra_config+=(--disable-libssp)
666 if [ "${CT_CC_GCC_HAS_LIBQUADMATH}" = "y" ]; then
667 if [ "${CT_CC_GCC_LIBQUADMATH}" = "y" ]; then
668 extra_config+=(--enable-libquadmath)
669 extra_config+=(--enable-libquadmath-support)
671 extra_config+=(--disable-libquadmath)
672 extra_config+=(--disable-libquadmath-support)
676 final_LDFLAGS+=("${ldflags}")
679 # Keep this full if-else-if-elif-fi-fi block in sync
680 # with the same block in do_cc_core, above.
681 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
682 final_LDFLAGS+=("-static")
683 host_libstdcxx_flags+=("-static-libgcc")
684 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
685 host_libstdcxx_flags+=("-lm")
686 # Companion libraries are build static (eg !shared), so
687 # the libstdc++ is not pulled automatically, although it
688 # is needed. Shoe-horn it in our LDFLAGS
689 # Ditto libm on some Fedora boxen
690 final_LDFLAGS+=("-lstdc++")
691 final_LDFLAGS+=("-lm")
693 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
694 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
696 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
697 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
698 host_libstdcxx_flags+=("-static-libgcc")
699 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
700 host_libstdcxx_flags+=("-lm")
701 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
702 # When companion libraries are build static (eg !shared),
703 # the libstdc++ is not pulled automatically, although it
704 # is needed. Shoe-horn it in our LDFLAGS
705 # Ditto libm on some Fedora boxen
706 final_LDFLAGS+=("-lstdc++")
707 final_LDFLAGS+=("-lm")
711 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
712 extra_config+=("--with-gmp=${complibs}")
713 extra_config+=("--with-mpfr=${complibs}")
715 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
716 extra_config+=("--with-mpc=${complibs}")
718 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
719 if [ "${CT_PPL}" = "y" ]; then
720 extra_config+=("--with-ppl=${complibs}")
721 # With PPL 0.11+, also pull libpwl if needed
722 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
723 host_libstdcxx_flags+=("-L${complibs}/lib")
724 host_libstdcxx_flags+=("-lpwl")
727 if [ "${CT_ISL}" = "y" ]; then
728 extra_config+=("--with-isl=${complibs}")
730 extra_config+=("--with-cloog=${complibs}")
731 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
732 extra_config+=("--with-ppl=no")
733 extra_config+=("--with-isl=no")
734 extra_config+=("--with-cloog=no")
736 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
737 extra_config+=("--with-libelf=${complibs}")
738 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
739 extra_config+=("--with-libelf=no")
742 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
743 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
746 if [ "${CT_THREADS}" = "none" ]; then
747 extra_config+=("--disable-threads")
748 if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
749 CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
750 extra_config+=("--disable-libgomp")
753 if [ "${CT_THREADS}" = "win32" ]; then
754 extra_config+=("--enable-threads=win32")
755 extra_config+=("--disable-win32-registry")
757 extra_config+=("--enable-threads=posix")
761 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
762 extra_config+=("--enable-target-optspace")
764 if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
765 extra_config+=("--disable-libstdcxx-pch")
768 case "${CT_CC_GCC_LDBL_128}" in
769 y) extra_config+=("--with-long-double-128");;
771 "") extra_config+=("--without-long-double-128");;
774 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
775 extra_config+=( --enable-linker-build-id )
778 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
780 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
783 if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
784 extra_config+=( --enable-plugin )
786 if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
787 extra_config+=( --enable-gold )
792 case "${CT_CC_GCC_mips_llsc}" in
793 y) extra_config+=( --with-llsc );;
795 *) extra_config+=( --without-llsc );;
797 case "${CT_CC_GCC_mips_synci}" in
798 y) extra_config+=( --with-synci );;
800 *) extra_config+=( --without-synci );;
802 if [ "${CT_CC_GCC_mips_plt}" ]; then
803 extra_config+=( --with-mips-plt )
808 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
810 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
811 extra_config+=("--with-system-zlib")
814 if [ "${CT_MULTILIB}" = "y" ]; then
815 extra_config+=("--enable-multilib")
817 extra_config+=("--disable-multilib")
820 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
823 CC_FOR_BUILD="${CT_BUILD}-gcc" \
825 LDFLAGS="${final_LDFLAGS[*]}" \
826 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
827 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
828 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
829 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
830 --build=${CT_BUILD} \
832 --target=${CT_TARGET} \
833 --prefix="${prefix}" \
835 "${extra_config[@]}" \
836 --with-local-prefix="${CT_SYSROOT_DIR}" \
839 "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
841 if [ "${CT_CANADIAN}" = "y" ]; then
842 CT_DoLog EXTRA "Building libiberty"
843 CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
846 CT_DoLog EXTRA "Building gcc"
847 CT_DoExecLog ALL make ${JOBSFLAGS} all
849 CT_DoLog EXTRA "Installing gcc"
850 CT_DoExecLog ALL make ${JOBSFLAGS} install
852 if [ "${build_manuals}" = "yes" ]; then
853 CT_DoLog EXTRA "Building the GCC manuals"
854 CT_DoExecLog ALL make pdf html
855 CT_DoLog EXTRA "Installing the GCC manuals"
856 CT_DoExecLog ALL make install-{pdf,html}-gcc
859 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
860 # to call the C compiler with the same, somewhat canonical name.
861 # check whether compiler has an extension
862 file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
863 [ -z "${file}" ] || ext=".${file##*.}"
864 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"
866 if [ "${CT_MULTILIB}" = "y" ]; then
867 if [ "${CT_CANADIAN}" = "y" ]; then
868 CT_DoLog WARN "Canadian Cross unable to confirm multilibs configured correctly"
870 multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib \
872 if [ ${#multilibs[@]} -ne 0 ]; then
873 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
874 for i in "${multilibs[@]}"; do
877 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
880 CT_DoLog WARN "gcc configured for multilib, but none available"