1 # This file adds the function to build the gcc C compiler
2 # Copyright 2007 Yann E. MORIN
3 # Licensed under the GPL v2. See COPYING in the root of this package
9 local linaro_base_url="http://launchpad.net/gcc-linaro"
12 # Account for the Linaro versioning
13 linaro_version="$( echo "${CT_CC_VERSION}" \
14 |sed -r -e 's/^linaro-//;' \
16 linaro_series="$( echo "${linaro_version}" \
17 |sed -r -e 's/-.*//;' \
20 # Ah! gcc folks are kind of 'different': they store the tarballs in
21 # subdirectories of the same name! That's because gcc is such /crap/ that
22 # it is such /big/ that it needs being splitted for distribution! Sad. :-(
23 # Arrgghh! Some of those versions does not follow this convention:
24 # gcc-3.3.3 lives in releases/gcc-3.3.3, while gcc-2.95.* isn't in a
25 # subdirectory! You bastard!
26 CT_GetFile "gcc-${CT_CC_VERSION}" \
27 {ftp,http}://ftp.gnu.org/gnu/gcc{,{,/releases}/gcc-${CT_CC_VERSION}} \
28 ftp://ftp.irisa.fr/pub/mirrors/gcc.gnu.org/gcc/releases/gcc-${CT_CC_VERSION} \
29 ftp://ftp.uvsq.fr/pub/gcc/snapshots/${CT_CC_VERSION} \
30 "${linaro_base_url}/${linaro_series}/${linaro_version}/+download"
32 # Starting with GCC 4.3, ecj is used for Java, and will only be
33 # built if the configure script finds ecj.jar at the top of the
34 # GCC source tree, which will not be there unless we get it and
35 # put it there ourselves
36 if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" ]; then
37 CT_GetFile ecj-latest .jar ftp://gcc.gnu.org/pub/java \
38 ftp://sourceware.org/pub/java
44 CT_Extract "gcc-${CT_CC_VERSION}"
45 CT_Patch "gcc" "${CT_CC_VERSION}"
47 # Copy ecj-latest.jar to ecj.jar at the top of the GCC source tree
48 if [ "${CT_CC_LANG_JAVA_USE_ECJ}" = "y" \
49 -a ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar" \
51 CT_DoExecLog ALL cp -v "${CT_TARBALLS_DIR}/ecj-latest.jar" "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/ecj.jar"
55 #------------------------------------------------------------------------------
56 # This function builds up the set of languages to enable
57 # No argument expected, returns the comma-separated language list on stdout
62 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_list+=",c++"
63 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_list+=",fortran"
64 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_list+=",ada"
65 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_list+=",java"
66 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_list+=",objc"
67 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_list+=",obj-c++"
68 lang_list+="${CT_CC_LANG_OTHERS:+,${CT_CC_LANG_OTHERS}}"
70 printf "%s" "${lang_list}"
73 #------------------------------------------------------------------------------
79 # Do nothing for canadian-crosses, we already have a target compiler.
80 # We only need a pass-1 core gcc if the threading model is NPTL.
81 # For all other cases, it is not used.
82 case "${CT_CANADIAN},${CT_THREADS}" in
87 core_opts+=( "mode=static" )
88 core_opts+=( "host=${CT_BUILD}" )
89 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
90 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
91 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
92 core_opts+=( "lang_list=c" )
96 if [ "${do_core}" = "y" ]; then
97 CT_DoStep INFO "Installing pass-1 core C compiler"
98 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-1"
100 do_cc_core_backend "${core_opts[@]}"
108 do_cc_core_pass_2() {
113 core_opts+=( "host=${CT_BUILD}" )
114 core_opts+=( "prefix=${CT_BUILDTOOLS_PREFIX_DIR}" )
115 core_opts+=( "complibs=${CT_BUILDTOOLS_PREFIX_DIR}" )
116 core_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
117 core_opts+=( "lang_list=c" )
119 # Do nothing for canadian-crosses, we already have a target compiler.
120 # Different conditions are at stake here:
121 # - In case the threading model is NPTL, we need a shared-capable core
122 # gcc; in all other cases, we need a static-only core gcc.
123 # - In case the threading model is NPTL or win32, or gcc is 4.3 or
124 # later, we need to build libgcc
125 case "${CT_CANADIAN},${CT_THREADS}" in
130 core_opts+=( "mode=shared" )
131 core_opts+=( "build_libgcc=yes" )
135 core_opts+=( "mode=static" )
136 core_opts+=( "build_libgcc=yes" )
140 core_opts+=( "mode=static" )
141 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
142 core_opts+=( "build_libgcc=yes" )
147 if [ "${do_core}" = "y" ]; then
148 CT_DoStep INFO "Installing pass-2 core C compiler"
149 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-core-pass-2"
151 do_cc_core_backend "${core_opts[@]}"
158 #------------------------------------------------------------------------------
160 # This function is used to build the core C compiler.
161 # Usage: do_cc_core_backend param=value [...]
162 # Parameter : Definition : Type : Default
163 # mode : build a 'static', 'shared' or 'baremetal' : string : (none)
164 # host : the machine the core will run on : tuple : (none)
165 # prefix : dir prefix to install into : dir : (none)
166 # complibs : dir where complibs are isntalled : dir : (none)
167 # lang_list : the list of languages to build : string : (empty)
168 # build_libgcc : build libgcc or not : bool : no
169 # build_libstdcxx : build libstdc++ or not : bool : no
170 # build_staticlinked : build statically linked or not : bool : no
171 # build_manuals : whether to build manuals or not : bool : no
172 # cflags : host CFLAGS to use : string : (empty)
173 # Usage: do_cc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]
174 do_cc_core_backend() {
176 local build_libgcc=no
177 local build_libstdcxx=no
178 local build_staticlinked=no
179 local build_manuals=no
186 local -a host_libstdcxx_flags
187 local -a extra_config
188 local -a core_LDFLAGS
189 local -a core_targets
196 CT_DoLog EXTRA "Configuring core C compiler"
200 extra_config+=("--with-newlib")
201 extra_config+=("--enable-threads=no")
202 extra_config+=("--disable-shared")
203 copy_headers=y # For baremetal, as there's no headers to copy,
204 # we copy an empty directory. So, who cares?
207 extra_config+=("--enable-shared")
211 extra_config+=("--with-newlib")
212 extra_config+=("--enable-threads=no")
213 extra_config+=("--disable-shared")
217 CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
221 if [ "${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}/${CT_TARGET}/include"
232 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
233 eval tmp="\${CT_ARCH_WITH_${tmp}}"
234 if [ -n "${tmp}" ]; then
235 extra_config+=("${tmp}")
238 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
239 extra_config+=("--enable-__cxa_atexit")
241 extra_config+=("--disable-__cxa_atexit")
245 # Keep this full if-else-if-elif-fi-fi block in sync
246 # with the same block in do_cc, below.
247 if [ "${build_staticlinked}" = "yes" ]; then
248 core_LDFLAGS+=("-static")
249 host_libstdcxx_flags+=("-static-libgcc")
250 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
251 host_libstdcxx_flags+=("-lm")
252 # Companion libraries are build static (eg !shared), so
253 # the libstdc++ is not pulled automatically, although it
254 # is needed. Shoe-horn it in our LDFLAGS
255 # Ditto libm on some Fedora boxen
256 core_LDFLAGS+=("-lstdc++")
257 core_LDFLAGS+=("-lm")
259 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
260 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
262 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
263 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
264 host_libstdcxx_flags+=("-static-libgcc")
265 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
266 host_libstdcxx_flags+=("-lm")
267 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
268 # When companion libraries are build static (eg !shared),
269 # the libstdc++ is not pulled automatically, although it
270 # is needed. Shoe-horn it in our LDFLAGS
271 # Ditto libm on some Fedora boxen
272 core_LDFLAGS+=("-lstdc++")
273 core_LDFLAGS+=("-lm")
277 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
278 extra_config+=("--with-gmp=${complibs}")
279 extra_config+=("--with-mpfr=${complibs}")
281 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
282 extra_config+=("--with-mpc=${complibs}")
284 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
285 extra_config+=("--with-ppl=${complibs}")
286 # With PPL 0.11+, also pull libpwl if needed
287 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
288 host_libstdcxx_flags+=("-L${complibs}/lib")
289 host_libstdcxx_flags+=("-lpwl")
291 extra_config+=("--with-cloog=${complibs}")
292 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
293 extra_config+=("--with-ppl=no")
294 extra_config+=("--with-cloog=no")
296 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
297 extra_config+=("--with-libelf=${complibs}")
298 extra_config+=("--enable-lto")
299 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
300 extra_config+=("--with-libelf=no")
301 extra_config+=("--disable-lto")
304 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
305 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
308 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
309 extra_config+=("--enable-target-optspace")
312 case "${CT_CC_GCC_LDBL_128}" in
313 y) extra_config+=("--with-long-double-128");;
315 "") extra_config+=("--without-long-double-128");;
318 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
319 extra_config+=( --enable-linker-build-id )
322 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
324 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
329 case "${CT_CC_GCC_mips_llsc}" in
330 y) extra_config+=( --with-llsc );;
332 *) extra_config+=( --without-llsc );;
334 case "${CT_CC_GCC_mips_synci}" in
335 y) extra_config+=( --with-synci );;
337 *) extra_config+=( --without-synci );;
339 if [ "${CT_CC_GCC_mips_plt}" ]; then
340 extra_config+=( --with-mips-plt )
345 extra_config+=(--disable-libgomp)
346 extra_config+=(--disable-libmudflap)
348 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
350 [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")
352 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
353 extra_config+=("--with-system-zlib")
356 if [ "${CT_MULTILIB}" = "y" ]; then
357 extra_config+=("--enable-multilib")
359 extra_config+=("--disable-multilib")
362 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
364 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
366 CC_FOR_BUILD="${CT_BUILD}-gcc" \
368 LDFLAGS="${core_LDFLAGS[*]}" \
369 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
370 --build=${CT_BUILD} \
372 --target=${CT_TARGET} \
373 --prefix="${prefix}" \
374 --with-local-prefix="${CT_SYSROOT_DIR}" \
375 --disable-libmudflap \
376 ${CC_CORE_SYSROOT_ARG} \
377 "${extra_config[@]}" \
378 --enable-languages="${lang_list}" \
379 "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"
381 if [ "${build_libgcc}" = "yes" ]; then
382 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
383 # gcc/config/t-libunwind so -lc is removed from the link for
384 # libgcc_s.so, as we do not have a target -lc yet.
385 # This is not as ugly as it appears to be ;-) All symbols get resolved
386 # during the glibc build, and we provide a proper libgcc_s.so for the
387 # cross toolchain during the final gcc build.
389 # As we cannot modify the source tree, nor override SHLIB_LC itself
390 # during configure or make, we have to edit the resultant
391 # gcc/libgcc.mk itself to remove -lc from the link.
392 # This causes us to have to jump through some hoops...
394 # To produce libgcc.mk to edit we firstly require libiberty.a,
395 # so we configure then build it.
396 # Next we have to configure gcc, create libgcc.mk then edit it...
397 # So much easier if we just edit the source tree, but hey...
398 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
399 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty
400 CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
401 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp
402 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
404 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty
405 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
407 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
408 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
409 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber
410 CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
413 # Starting with GCC 4.3, libgcc.mk is no longer built,
414 # and libgcc.mvars is used instead.
416 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
417 libgcc_rule="libgcc.mvars"
418 core_targets=( gcc target-libgcc )
420 libgcc_rule="libgcc.mk"
424 # On bare metal and canadian build the host-compiler is used when
425 # actually the build-system compiler is required. Choose the correct
426 # compilers for canadian build and use the defaults on other
428 if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
429 repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
430 GCC_FOR_TARGET=${CT_TARGET}-gcc"
435 CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
437 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
441 if [ "${build_libstdcxx}" = "yes" \
442 -a "${CT_CC_LANG_CXX}" = "y" \
444 core_targets+=( target-libstdc++-v3 )
447 CT_DoLog EXTRA "Building core C compiler"
448 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
450 CT_DoLog EXTRA "Installing core C compiler"
451 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"
453 if [ "${build_manuals}" = "yes" ]; then
454 CT_DoLog EXTRA "Building the GCC manuals"
455 CT_DoExecLog ALL make pdf html
456 CT_DoLog EXTRA "Installing the GCC manuals"
457 CT_DoExecLog ALL make install-{pdf,html}-gcc
460 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
461 # to call the C compiler with the same, somewhat canonical name.
462 # check whether compiler has an extension
463 file="$( ls -1 "${prefix}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
464 [ -z "${file}" ] || ext=".${file##*.}"
465 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
467 if [ "${CT_MULTILIB}" = "y" ]; then
468 multilibs=( $( "${prefix}/bin/${CT_TARGET}-gcc" -print-multi-lib \
470 if [ ${#multilibs[@]} -ne 0 ]; then
471 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
472 for i in "${multilibs[@]}"; do
475 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
478 CT_DoLog WARN "gcc configured for multilib, but none available"
483 #------------------------------------------------------------------------------
489 final_opts+=( "host=${CT_HOST}" )
490 final_opts+=( "prefix=${CT_PREFIX_DIR}" )
491 final_opts+=( "complibs=${CT_HOST_COMPLIBS_DIR}" )
492 final_opts+=( "cflags=${CT_CFLAGS_FOR_HOST}" )
493 final_opts+=( "lang_list=$( cc_gcc_lang_list )" )
494 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
495 final_opts+=( "build_manuals=yes" )
497 if [ "${CT_BARE_METAL}" = "y" ]; then
498 final_opts+=( "mode=baremetal" )
499 final_opts+=( "build_libgcc=yes" )
500 final_opts+=( "build_libstdcxx=yes" )
501 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
502 final_opts+=( "build_staticlinked=yes" )
504 final_backend=do_cc_core_backend
506 final_backend=do_cc_backend
509 CT_DoStep INFO "Installing final compiler"
510 CT_mkdir_pushd "${CT_BUILD_DIR}/build-cc-final"
512 "${final_backend}" "${final_opts[@]}"
518 #------------------------------------------------------------------------------
519 # Build the final gcc
520 # Usage: do_cc_backend param=value [...]
521 # Parameter : Definition : Type : Default
522 # host : the host we run onto : tuple : (none)
523 # prefix : the runtime prefix : dir : (none)
524 # complibs : the companion libraries prefix : dir : (none)
525 # cflags : the host CFLAGS : string : (empty)
526 # lang_list : the list of languages to build : string : (empty)
527 # build_manuals : whether to build manuals or not : bool : no
535 local -a host_libstdcxx_flags
536 local -a extra_config
537 local -a final_LDFLAGS
545 CT_DoLog EXTRA "Configuring final compiler"
547 # Enable selected languages
548 extra_config+=("--enable-languages=${lang_list}")
550 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
551 eval tmp="\${CT_ARCH_WITH_${tmp}}"
552 if [ -n "${tmp}" ]; then
553 extra_config+=("${tmp}")
557 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
558 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
559 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
560 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
562 case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
563 y) extra_config+=("--enable-sjlj-exceptions");;
565 "") extra_config+=("--disable-sjlj-exceptions");;
567 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
568 extra_config+=("--enable-__cxa_atexit")
570 extra_config+=("--disable-__cxa_atexit")
572 if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
573 extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
575 if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
576 extra_config+=(--enable-libmudflap)
578 extra_config+=(--disable-libmudflap)
580 if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
581 extra_config+=(--enable-libgomp)
583 extra_config+=(--disable-libgomp)
585 if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
586 extra_config+=(--enable-libssp)
588 extra_config+=(--disable-libssp)
592 # Keep this full if-else-if-elif-fi-fi block in sync
593 # with the same block in do_cc_core, above.
594 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
595 final_LDFLAGS+=("-static")
596 host_libstdcxx_flags+=("-static-libgcc")
597 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
598 host_libstdcxx_flags+=("-lm")
599 # Companion libraries are build static (eg !shared), so
600 # the libstdc++ is not pulled automatically, although it
601 # is needed. Shoe-horn it in our LDFLAGS
602 # Ditto libm on some Fedora boxen
603 final_LDFLAGS+=("-lstdc++")
604 final_LDFLAGS+=("-lm")
606 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
607 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
609 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
610 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
611 host_libstdcxx_flags+=("-static-libgcc")
612 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
613 host_libstdcxx_flags+=("-lm")
614 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
615 # When companion libraries are build static (eg !shared),
616 # the libstdc++ is not pulled automatically, although it
617 # is needed. Shoe-horn it in our LDFLAGS
618 # Ditto libm on some Fedora boxen
619 final_LDFLAGS+=("-lstdc++")
620 final_LDFLAGS+=("-lm")
624 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
625 extra_config+=("--with-gmp=${complibs}")
626 extra_config+=("--with-mpfr=${complibs}")
628 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
629 extra_config+=("--with-mpc=${complibs}")
631 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
632 extra_config+=("--with-ppl=${complibs}")
633 # With PPL 0.11+, also pull libpwl if needed
634 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
635 host_libstdcxx_flags+=("-L${complibs}/lib")
636 host_libstdcxx_flags+=("-lpwl")
638 extra_config+=("--with-cloog=${complibs}")
639 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
640 extra_config+=("--with-ppl=no")
641 extra_config+=("--with-cloog=no")
643 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
644 extra_config+=("--with-libelf=${complibs}")
645 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
646 extra_config+=("--with-libelf=no")
649 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
650 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
653 if [ "${CT_THREADS}" = "none" ]; then
654 extra_config+=("--disable-threads")
655 if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
656 CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
657 extra_config+=("--disable-libgomp")
660 if [ "${CT_THREADS}" = "win32" ]; then
661 extra_config+=("--enable-threads=win32")
662 extra_config+=("--disable-win32-registry")
664 extra_config+=("--enable-threads=posix")
668 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
669 extra_config+=("--enable-target-optspace")
671 if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
672 extra_config+=("--disable-libstdcxx-pch")
675 case "${CT_CC_GCC_LDBL_128}" in
676 y) extra_config+=("--with-long-double-128");;
678 "") extra_config+=("--without-long-double-128");;
681 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
682 extra_config+=( --enable-linker-build-id )
685 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
687 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
690 if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
691 extra_config+=( --enable-plugin )
693 if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
694 extra_config+=( --enable-gold )
699 case "${CT_CC_GCC_mips_llsc}" in
700 y) extra_config+=( --with-llsc );;
702 *) extra_config+=( --without-llsc );;
704 case "${CT_CC_GCC_mips_synci}" in
705 y) extra_config+=( --with-synci );;
707 *) extra_config+=( --without-synci );;
709 if [ "${CT_CC_GCC_mips_plt}" ]; then
710 extra_config+=( --with-mips-plt )
715 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
717 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
718 extra_config+=("--with-system-zlib")
721 if [ "${CT_MULTILIB}" = "y" ]; then
722 extra_config+=("--enable-multilib")
724 extra_config+=("--disable-multilib")
727 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
730 CC_FOR_BUILD="${CT_BUILD}-gcc" \
732 LDFLAGS="${final_LDFLAGS[*]}" \
733 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
734 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
735 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
736 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
737 --build=${CT_BUILD} \
739 --target=${CT_TARGET} \
740 --prefix="${prefix}" \
742 "${extra_config[@]}" \
743 --with-local-prefix="${CT_SYSROOT_DIR}" \
746 "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
748 if [ "${CT_CANADIAN}" = "y" ]; then
749 CT_DoLog EXTRA "Building libiberty"
750 CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
753 CT_DoLog EXTRA "Building final compiler"
754 CT_DoExecLog ALL make ${JOBSFLAGS} all
756 CT_DoLog EXTRA "Installing final compiler"
757 CT_DoExecLog ALL make ${JOBSFLAGS} install
759 if [ "${build_manuals}" = "yes" ]; then
760 CT_DoLog EXTRA "Building the GCC manuals"
761 CT_DoExecLog ALL make ${JOBSFLAGS} pdf html
762 CT_DoLog EXTRA "Installing the GCC manuals"
763 CT_DoExecLog ALL make install-{pdf,html}-gcc
766 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
767 # to call the C compiler with the same, somewhat canonical name.
768 # check whether compiler has an extension
769 file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
770 [ -z "${file}" ] || ext=".${file##*.}"
771 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"
773 if [ "${CT_MULTILIB}" = "y" ]; then
774 multilibs=( $( "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc" -print-multi-lib \
776 if [ ${#multilibs[@]} -ne 0 ]; then
777 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
778 for i in "${multilibs[@]}"; do
781 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
784 CT_DoLog WARN "gcc configured for multilib, but none available"