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}" )
78 core_opts+=( "mode=static" )
79 core_opts+=( "host=${CT_HOST}" )
80 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
81 core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )
87 if [ "${do_core}" = "y" ]; then
88 do_cc_core_backend "${core_opts[@]}"
97 # In case we're building for bare metal, do nothing, we already have
99 # In case we're not bare metal and building a canadian compiler, do nothing
100 # In case we're NPTL, build the shared core gcc and the target libgcc.
101 # In any other case, build the static core gcc and, if using gcc-4.3+,
102 # also build the target libgcc.
103 case "${CT_BARE_METAL},${CT_CANADIAN},${CT_THREADS}" in
106 core_opts+=( "mode=baremetal" )
107 core_opts+=( "host=${CT_HOST}" )
108 core_opts+=( "build_libgcc=yes" )
109 core_opts+=( "build_libstdcxx=yes" )
110 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
111 core_opts+=( "prefix=${CT_PREFIX_DIR}" )
112 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
113 core_opts+=( "build_staticlinked=yes" )
115 core_opts+=( "build_manuals=yes" )
120 core_opts+=( "mode=shared" )
121 core_opts+=( "host=${CT_HOST}" )
122 core_opts+=( "build_libgcc=yes" )
123 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
124 core_opts+=( "prefix=${CT_CC_CORE_SHARED_PREFIX_DIR}" )
128 core_opts+=( "mode=static" )
129 core_opts+=( "host=${CT_HOST}" )
130 core_opts+=( "build_libgcc=yes" )
131 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
132 core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )
136 core_opts+=( "mode=static" )
137 core_opts+=( "host=${CT_HOST}" )
138 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
139 core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )
140 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
141 core_opts+=( "build_libgcc=yes" )
146 if [ "${do_core}" = "y" ]; then
147 do_cc_core_backend "${core_opts[@]}"
151 #------------------------------------------------------------------------------
153 # This function is used to build both the static and the shared core C compiler,
154 # with or without the target libgcc. We need to know wether:
155 # - we're building static, shared or bare metal: mode=[static|shared|baremetal]
156 # - we need to build libgcc or not : build_libgcc=[yes|no] (default: no)
157 # - we need to build libstdc++ or not : build_libstdcxx=[yes|no] (default: no)
158 # - we need to build statically linked or not : build_staticlinked=[yes|no] (default: no)
159 # - where to find the companion libs (prefix) : complibs=<prefix_dir> (no default value)
160 # - the prefix to install into (directory) : prefix=<directory> (no default value)
161 # - the machine we will run on (tuple) : host=<tuple> (no default tuple)
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
174 local -a host_libstdcxx_flags
175 local -a extra_config
176 local -a core_LDFLAGS
177 local -a core_targets
187 extra_config+=("--with-newlib")
188 extra_config+=("--enable-threads=no")
189 extra_config+=("--disable-shared")
190 copy_headers=y # For baremetal, as there's no headers to copy,
191 # we copy an empty directory. So, who cares?
194 extra_config+=("--enable-shared")
198 extra_config+=("--with-newlib")
199 extra_config+=("--enable-threads=no")
200 extra_config+=("--disable-shared")
201 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
205 CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
209 CT_DoStep INFO "Installing ${mode} core C compiler"
210 mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}"
211 cd "${CT_BUILD_DIR}/build-cc-core-${mode}"
213 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
214 # Bare metal delivers the core compiler as final compiler, so add version info and bugurl
215 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
216 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
219 if [ "${copy_headers}" = "y" ]; then
220 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
221 CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${prefix}/${CT_TARGET}/include"
224 CT_DoLog EXTRA "Configuring ${mode} core C compiler"
226 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
227 eval tmp="\${CT_ARCH_WITH_${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" \
361 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
362 LDFLAGS="${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="${lang_opt}" \
373 "${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 ${mode} core C compiler"
442 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
444 CT_DoLog EXTRA "Installing ${mode} core C compiler"
445 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"
447 if [ "${CT_BUILD_MANUALS}" = "y" -a "${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=( $( "${core_prefix_dir}/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//@/ -} --> ${dir}/"
472 CT_DoLog WARN "gcc configured for multilib, but none available"
479 #------------------------------------------------------------------------------
482 local -a host_libstdcxx_flags
483 local -a extra_config
484 local -a final_LDFLAGS
487 # If building for bare metal, nothing to be done here, the static core conpiler is enough!
488 [ "${CT_BARE_METAL}" = "y" ] && return 0
490 CT_DoStep INFO "Installing final compiler"
492 mkdir -p "${CT_BUILD_DIR}/build-cc"
493 cd "${CT_BUILD_DIR}/build-cc"
495 CT_DoLog EXTRA "Configuring final compiler"
497 # Enable selected languages
499 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
500 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_opt="${lang_opt},fortran"
501 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_opt="${lang_opt},ada"
502 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_opt="${lang_opt},java"
503 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_opt="${lang_opt},objc"
504 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_opt="${lang_opt},obj-c++"
505 CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
506 CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
507 CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
508 CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
509 lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')
511 extra_config+=("--enable-languages=${lang_opt}")
512 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
513 eval tmp="\${CT_ARCH_WITH_${tmp}}"
514 if [ -n "${tmp}" ]; then
515 extra_config+=("${tmp}")
519 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
520 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
521 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
522 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
524 case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
525 y) extra_config+=("--enable-sjlj-exceptions");;
527 "") extra_config+=("--disable-sjlj-exceptions");;
529 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
530 extra_config+=("--enable-__cxa_atexit")
532 extra_config+=("--disable-__cxa_atexit")
534 if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
535 extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
537 if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
538 extra_config+=(--enable-libmudflap)
540 extra_config+=(--disable-libmudflap)
542 if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
543 extra_config+=(--enable-libgomp)
545 extra_config+=(--disable-libgomp)
547 if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
548 extra_config+=(--enable-libssp)
550 extra_config+=(--disable-libssp)
554 # Keep this full if-else-if-elif-fi-fi block in sync
555 # with the same block in do_cc_core, above.
556 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
557 final_LDFLAGS+=("-static")
558 host_libstdcxx_flags+=("-static-libgcc")
559 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
560 host_libstdcxx_flags+=("-lm")
561 # Companion libraries are build static (eg !shared), so
562 # the libstdc++ is not pulled automatically, although it
563 # is needed. Shoe-horn it in our LDFLAGS
564 # Ditto libm on some Fedora boxen
565 final_LDFLAGS+=("-lstdc++")
566 final_LDFLAGS+=("-lm")
568 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
569 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
571 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
572 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
573 host_libstdcxx_flags+=("-static-libgcc")
574 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
575 host_libstdcxx_flags+=("-lm")
576 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
577 # When companion libraries are build static (eg !shared),
578 # the libstdc++ is not pulled automatically, although it
579 # is needed. Shoe-horn it in our LDFLAGS
580 # Ditto libm on some Fedora boxen
581 final_LDFLAGS+=("-lstdc++")
582 final_LDFLAGS+=("-lm")
586 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
587 extra_config+=("--with-gmp=${CT_COMPLIBS_DIR}")
588 extra_config+=("--with-mpfr=${CT_COMPLIBS_DIR}")
590 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
591 extra_config+=("--with-mpc=${CT_COMPLIBS_DIR}")
593 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
594 extra_config+=("--with-ppl=${CT_COMPLIBS_DIR}")
595 # With PPL 0.11+, also pull libpwl if needed
596 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
597 host_libstdcxx_flags+=("-L${CT_COMPLIBS_DIR}/lib")
598 host_libstdcxx_flags+=("-lpwl")
600 extra_config+=("--with-cloog=${CT_COMPLIBS_DIR}")
601 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
602 extra_config+=("--with-ppl=no")
603 extra_config+=("--with-cloog=no")
605 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
606 extra_config+=("--with-libelf=${CT_COMPLIBS_DIR}")
607 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
608 extra_config+=("--with-libelf=no")
611 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
612 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
615 if [ "${CT_THREADS}" = "none" ]; then
616 extra_config+=("--disable-threads")
617 if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
618 CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
619 extra_config+=("--disable-libgomp")
622 if [ "${CT_THREADS}" = "win32" ]; then
623 extra_config+=("--enable-threads=win32")
624 extra_config+=("--disable-win32-registry")
626 extra_config+=("--enable-threads=posix")
630 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
631 extra_config+=("--enable-target-optspace")
633 if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
634 extra_config+=("--disable-libstdcxx-pch")
637 case "${CT_CC_GCC_LDBL_128}" in
638 y) extra_config+=("--with-long-double-128");;
640 "") extra_config+=("--without-long-double-128");;
643 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
644 extra_config+=( --enable-linker-build-id )
647 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
649 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
652 if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
653 extra_config+=( --enable-plugin )
655 if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
656 extra_config+=( --enable-gold )
661 case "${CT_CC_GCC_mips_llsc}" in
662 y) extra_config+=( --with-llsc );;
664 *) extra_config+=( --without-llsc );;
666 case "${CT_CC_GCC_mips_synci}" in
667 y) extra_config+=( --with-synci );;
669 *) extra_config+=( --without-synci );;
671 if [ "${CT_CC_GCC_mips_plt}" ]; then
672 extra_config+=( --with-mips-plt )
677 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
679 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
680 extra_config+=("--with-system-zlib")
683 if [ "${CT_MULTILIB}" = "y" ]; then
684 extra_config+=("--enable-multilib")
686 extra_config+=("--disable-multilib")
689 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
692 CC_FOR_BUILD="${CT_BUILD}-gcc" \
693 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
694 LDFLAGS="${final_LDFLAGS[*]}" \
695 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
696 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
697 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
698 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
699 --build=${CT_BUILD} \
701 --target=${CT_TARGET} \
702 --prefix="${CT_PREFIX_DIR}" \
704 "${extra_config[@]}" \
705 --with-local-prefix="${CT_SYSROOT_DIR}" \
708 "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
710 if [ "${CT_CANADIAN}" = "y" ]; then
711 CT_DoLog EXTRA "Building libiberty"
712 CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
715 CT_DoLog EXTRA "Building final compiler"
716 CT_DoExecLog ALL make ${JOBSFLAGS} all
718 CT_DoLog EXTRA "Installing final compiler"
719 CT_DoExecLog ALL make ${JOBSFLAGS} install
721 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
722 CT_DoLog EXTRA "Building the GCC manuals"
723 CT_DoExecLog ALL make ${JOBSFLAGS} pdf html
724 CT_DoLog EXTRA "Installing the GCC manuals"
725 CT_DoExecLog ALL make install-{pdf,html}-gcc
728 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
729 # to call the C compiler with the same, somewhat canonical name.
730 # check whether compiler has an extension
731 file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
732 [ -z "${file}" ] || ext=".${file##*.}"
733 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"
735 if [ "${CT_MULTILIB}" = "y" ]; then
736 multilibs=( $( "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc" -print-multi-lib \
738 if [ ${#multilibs[@]} -ne 0 ]; then
739 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
740 for i in "${multilibs[@]}"; do
743 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
746 CT_DoLog WARN "gcc configured for multilib, but none available"