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