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},${CT_THREADS}" in
69 core_opts+=( "mode=static" )
70 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
71 core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )
77 core_opts+=( "mode=static" )
78 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
79 core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )
85 if [ "${do_core}" = "y" ]; then
86 do_cc_core_backend "${core_opts[@]}"
95 # In case we're building for bare metal, do nothing, we already have
97 # In case we're not bare metal and building a canadian compiler, do nothing
98 # In case we're NPTL, build the shared core gcc and the target libgcc.
99 # In any other case, build the static core gcc and, if using gcc-4.3+,
100 # also build the target libgcc.
101 case "${CT_BARE_METAL},${CT_CANADIAN},${CT_THREADS}" in
104 core_opts+=( "mode=baremetal" )
105 core_opts+=( "build_libgcc=yes" )
106 core_opts+=( "build_libstdcxx=yes" )
107 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
108 core_opts+=( "prefix=${CT_PREFIX_DIR}" )
109 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
110 core_opts+=( "build_staticlinked=yes" )
112 core_opts+=( "build_manuals=yes" )
117 core_opts+=( "mode=shared" )
118 core_opts+=( "build_libgcc=yes" )
119 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
120 core_opts+=( "prefix=${CT_CC_CORE_SHARED_PREFIX_DIR}" )
124 core_opts+=( "mode=static" )
125 core_opts+=( "build_libgcc=yes" )
126 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
127 core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )
131 core_opts+=( "mode=static" )
132 core_opts+=( "complibs=${CT_COMPLIBS_DIR}" )
133 core_opts+=( "prefix=${CT_CC_CORE_STATIC_PREFIX_DIR}" )
134 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
135 core_opts+=( "build_libgcc=yes" )
140 if [ "${do_core}" = "y" ]; then
141 do_cc_core_backend "${core_opts[@]}"
145 #------------------------------------------------------------------------------
147 # This function is used to build both the static and the shared core C compiler,
148 # with or without the target libgcc. We need to know wether:
149 # - we're building static, shared or bare metal: mode=[static|shared|baremetal]
150 # - we need to build libgcc or not : build_libgcc=[yes|no] (default: no)
151 # - we need to build libstdc++ or not : build_libstdcxx=[yes|no] (default: no)
152 # - we need to build statically linked or not : build_staticlinked=[yes|no] (default: no)
153 # - where to find the companion libs (prefix) : complibs=<prefix_dir> (no default value)
154 # - the prefix to install into (directory) : prefix=<directory> (no default value)
155 # Usage: do_cc_core_backend mode=[static|shared|baremetal] build_libgcc=[yes|no] build_staticlinked=[yes|no]
156 do_cc_core_backend() {
158 local build_libgcc=no
159 local build_libstdcxx=no
160 local build_staticlinked=no
161 local build_manuals=no
166 local -a host_libstdcxx_flags
167 local -a extra_config
168 local -a core_LDFLAGS
169 local -a core_targets
179 extra_config+=("--with-newlib")
180 extra_config+=("--enable-threads=no")
181 extra_config+=("--disable-shared")
182 copy_headers=y # For baremetal, as there's no headers to copy,
183 # we copy an empty directory. So, who cares?
186 extra_config+=("--enable-shared")
190 extra_config+=("--with-newlib")
191 extra_config+=("--enable-threads=no")
192 extra_config+=("--disable-shared")
193 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
197 CT_Abort "Internal Error: 'mode' must be one of: 'static', 'shared' or 'baremetal', not '${mode:-(empty)}'"
201 CT_DoStep INFO "Installing ${mode} core C compiler"
202 mkdir -p "${CT_BUILD_DIR}/build-cc-core-${mode}"
203 cd "${CT_BUILD_DIR}/build-cc-core-${mode}"
205 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
206 # Bare metal delivers the core compiler as final compiler, so add version info and bugurl
207 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
208 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
211 if [ "${copy_headers}" = "y" ]; then
212 CT_DoLog DEBUG "Copying headers to install area of bootstrap gcc, so it can build libgcc2"
213 CT_DoExecLog ALL cp -a "${CT_HEADERS_DIR}" "${prefix}/${CT_TARGET}/include"
216 CT_DoLog EXTRA "Configuring ${mode} core C compiler"
218 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
219 eval tmp="\${CT_ARCH_WITH_${tmp}}"
220 if [ -n "${tmp}" ]; then
221 extra_config+=("${tmp}")
224 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
225 extra_config+=("--enable-__cxa_atexit")
227 extra_config+=("--disable-__cxa_atexit")
231 # Keep this full if-else-if-elif-fi-fi block in sync
232 # with the same block in do_cc, below.
233 if [ "${build_staticlinked}" = "yes" ]; then
234 core_LDFLAGS+=("-static")
235 host_libstdcxx_flags+=("-static-libgcc")
236 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
237 host_libstdcxx_flags+=("-lm")
238 # Companion libraries are build static (eg !shared), so
239 # the libstdc++ is not pulled automatically, although it
240 # is needed. Shoe-horn it in our LDFLAGS
241 # Ditto libm on some Fedora boxen
242 core_LDFLAGS+=("-lstdc++")
243 core_LDFLAGS+=("-lm")
245 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
246 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
248 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
249 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
250 host_libstdcxx_flags+=("-static-libgcc")
251 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
252 host_libstdcxx_flags+=("-lm")
253 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
254 # When companion libraries are build static (eg !shared),
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")
263 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
264 extra_config+=("--with-gmp=${complibs}")
265 extra_config+=("--with-mpfr=${complibs}")
267 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
268 extra_config+=("--with-mpc=${complibs}")
270 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
271 extra_config+=("--with-ppl=${complibs}")
272 # With PPL 0.11+, also pull libpwl if needed
273 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
274 host_libstdcxx_flags+=("-L${complibs}/lib")
275 host_libstdcxx_flags+=("-lpwl")
277 extra_config+=("--with-cloog=${complibs}")
278 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
279 extra_config+=("--with-ppl=no")
280 extra_config+=("--with-cloog=no")
282 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
283 extra_config+=("--with-libelf=${complibs}")
284 extra_config+=("--enable-lto")
285 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
286 extra_config+=("--with-libelf=no")
287 extra_config+=("--disable-lto")
290 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
291 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
294 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
295 extra_config+=("--enable-target-optspace")
298 case "${CT_CC_GCC_LDBL_128}" in
299 y) extra_config+=("--with-long-double-128");;
301 "") extra_config+=("--without-long-double-128");;
304 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
305 extra_config+=( --enable-linker-build-id )
308 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
310 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
315 case "${CT_CC_GCC_mips_llsc}" in
316 y) extra_config+=( --with-llsc );;
318 *) extra_config+=( --without-llsc );;
320 case "${CT_CC_GCC_mips_synci}" in
321 y) extra_config+=( --with-synci );;
323 *) extra_config+=( --without-synci );;
325 if [ "${CT_CC_GCC_mips_plt}" ]; then
326 extra_config+=( --with-mips-plt )
331 extra_config+=(--disable-libgomp)
332 extra_config+=(--disable-libmudflap)
334 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
336 [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ] && extra_config+=("--disable-libstdcxx-pch")
338 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
339 extra_config+=("--with-system-zlib")
342 if [ "${CT_MULTILIB}" = "y" ]; then
343 extra_config+=("--enable-multilib")
345 extra_config+=("--disable-multilib")
348 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
350 # Use --with-local-prefix so older gccs don't look in /usr/local (http://gcc.gnu.org/PR10532)
352 CC_FOR_BUILD="${CT_BUILD}-gcc" \
353 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
354 LDFLAGS="${core_LDFLAGS[*]}" \
355 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
356 --build=${CT_BUILD} \
358 --target=${CT_TARGET} \
359 --prefix="${prefix}" \
360 --with-local-prefix="${CT_SYSROOT_DIR}" \
361 --disable-libmudflap \
362 ${CC_CORE_SYSROOT_ARG} \
363 "${extra_config[@]}" \
364 --enable-languages="${lang_opt}" \
365 "${CT_CC_CORE_EXTRA_CONFIG_ARRAY[@]}"
367 if [ "${build_libgcc}" = "yes" ]; then
368 # HACK: we need to override SHLIB_LC from gcc/config/t-slibgcc-elf-ver or
369 # gcc/config/t-libunwind so -lc is removed from the link for
370 # libgcc_s.so, as we do not have a target -lc yet.
371 # This is not as ugly as it appears to be ;-) All symbols get resolved
372 # during the glibc build, and we provide a proper libgcc_s.so for the
373 # cross toolchain during the final gcc build.
375 # As we cannot modify the source tree, nor override SHLIB_LC itself
376 # during configure or make, we have to edit the resultant
377 # gcc/libgcc.mk itself to remove -lc from the link.
378 # This causes us to have to jump through some hoops...
380 # To produce libgcc.mk to edit we firstly require libiberty.a,
381 # so we configure then build it.
382 # Next we have to configure gcc, create libgcc.mk then edit it...
383 # So much easier if we just edit the source tree, but hey...
384 if [ ! -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
385 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libiberty
386 CT_DoExecLog ALL make ${JOBSFLAGS} -C libiberty libiberty.a
387 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp
388 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp
390 CT_DoExecLog CFG make ${JOBSFLAGS} configure-gcc configure-libcpp configure-build-libiberty
391 CT_DoExecLog ALL make ${JOBSFLAGS} all-libcpp all-build-libiberty
393 # HACK: gcc-4.2 uses libdecnumber to build libgcc.mk, so build it here.
394 if [ -d "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/libdecnumber" ]; then
395 CT_DoExecLog CFG make ${JOBSFLAGS} configure-libdecnumber
396 CT_DoExecLog ALL make ${JOBSFLAGS} -C libdecnumber libdecnumber.a
399 # Starting with GCC 4.3, libgcc.mk is no longer built,
400 # and libgcc.mvars is used instead.
402 if [ "${CT_CC_GCC_4_3_or_later}" = "y" ]; then
403 libgcc_rule="libgcc.mvars"
404 core_targets=( gcc target-libgcc )
406 libgcc_rule="libgcc.mk"
410 # On bare metal and canadian build the host-compiler is used when
411 # actually the build-system compiler is required. Choose the correct
412 # compilers for canadian build and use the defaults on other
414 if [ "${CT_BARE_METAL},${CT_CANADIAN}" = "y,y" ]; then
415 repair_cc="CC_FOR_BUILD=${CT_BUILD}-gcc \
416 GCC_FOR_TARGET=${CT_TARGET}-gcc"
421 CT_DoExecLog ALL make ${JOBSFLAGS} -C gcc ${libgcc_rule} \
423 sed -r -i -e 's@-lc@@g' gcc/${libgcc_rule}
427 if [ "${build_libstdcxx}" = "yes" \
428 -a "${CT_CC_LANG_CXX}" = "y" \
430 core_targets+=( target-libstdc++-v3 )
433 CT_DoLog EXTRA "Building ${mode} core C compiler"
434 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/all-}"
436 CT_DoLog EXTRA "Installing ${mode} core C compiler"
437 CT_DoExecLog ALL make ${JOBSFLAGS} "${core_targets[@]/#/install-}"
439 if [ "${CT_BUILD_MANUALS}" = "y" -a "${build_manuals}" = "yes" ]; then
440 CT_DoLog EXTRA "Building the GCC manuals"
441 CT_DoExecLog ALL make pdf html
442 CT_DoLog EXTRA "Installing the GCC manuals"
443 CT_DoExecLog ALL make install-{pdf,html}-gcc
446 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
447 # to call the C compiler with the same, somewhat canonical name.
448 # check whether compiler has an extension
449 file="$( ls -1 "${prefix}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
450 [ -z "${file}" ] || ext=".${file##*.}"
451 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${prefix}/bin/${CT_TARGET}-cc${ext}"
453 if [ "${CT_MULTILIB}" = "y" ]; then
454 multilibs=( $( "${core_prefix_dir}/bin/${CT_TARGET}-gcc" -print-multi-lib \
456 if [ ${#multilibs[@]} -ne 0 ]; then
457 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
458 for i in "${multilibs[@]}"; do
461 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
464 CT_DoLog WARN "gcc configured for multilib, but none available"
471 #------------------------------------------------------------------------------
474 local -a host_libstdcxx_flags
475 local -a extra_config
476 local -a final_LDFLAGS
479 # If building for bare metal, nothing to be done here, the static core conpiler is enough!
480 [ "${CT_BARE_METAL}" = "y" ] && return 0
482 CT_DoStep INFO "Installing final compiler"
484 mkdir -p "${CT_BUILD_DIR}/build-cc"
485 cd "${CT_BUILD_DIR}/build-cc"
487 CT_DoLog EXTRA "Configuring final compiler"
489 # Enable selected languages
491 [ "${CT_CC_LANG_CXX}" = "y" ] && lang_opt="${lang_opt},c++"
492 [ "${CT_CC_LANG_FORTRAN}" = "y" ] && lang_opt="${lang_opt},fortran"
493 [ "${CT_CC_LANG_ADA}" = "y" ] && lang_opt="${lang_opt},ada"
494 [ "${CT_CC_LANG_JAVA}" = "y" ] && lang_opt="${lang_opt},java"
495 [ "${CT_CC_LANG_OBJC}" = "y" ] && lang_opt="${lang_opt},objc"
496 [ "${CT_CC_LANG_OBJCXX}" = "y" ] && lang_opt="${lang_opt},obj-c++"
497 CT_Test "Building ADA language is not yet supported. Will try..." "${CT_CC_LANG_ADA}" = "y"
498 CT_Test "Building Objective-C language is not yet supported. Will try..." "${CT_CC_LANG_OBJC}" = "y"
499 CT_Test "Building Objective-C++ language is not yet supported. Will try..." "${CT_CC_LANG_OBJCXX}" = "y"
500 CT_Test "Building ${CT_CC_LANG_OTHERS//,/ } language(s) is not yet supported. Will try..." -n "${CT_CC_LANG_OTHERS}"
501 lang_opt=$(echo "${lang_opt},${CT_CC_LANG_OTHERS}" |sed -r -e 's/,+/,/g; s/,*$//;')
503 extra_config+=("--enable-languages=${lang_opt}")
504 for tmp in ARCH ABI CPU TUNE FPU FLOAT; do
505 eval tmp="\${CT_ARCH_WITH_${tmp}}"
506 if [ -n "${tmp}" ]; then
507 extra_config+=("${tmp}")
511 [ "${CT_SHARED_LIBS}" = "y" ] || extra_config+=("--disable-shared")
512 if [ "${CT_CC_GCC_HAS_PKGVERSION_BUGURL}" = "y" ]; then
513 extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
514 [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
516 case "${CT_CC_GCC_SJLJ_EXCEPTIONS}" in
517 y) extra_config+=("--enable-sjlj-exceptions");;
519 "") extra_config+=("--disable-sjlj-exceptions");;
521 if [ "${CT_CC_CXA_ATEXIT}" = "y" ]; then
522 extra_config+=("--enable-__cxa_atexit")
524 extra_config+=("--disable-__cxa_atexit")
526 if [ -n "${CT_CC_ENABLE_CXX_FLAGS}" ]; then
527 extra_config+=("--enable-cxx-flags=${CT_CC_ENABLE_CXX_FLAGS}")
529 if [ "${CT_CC_GCC_LIBMUDFLAP}" = "y" ]; then
530 extra_config+=(--enable-libmudflap)
532 extra_config+=(--disable-libmudflap)
534 if [ "${CT_CC_GCC_LIBGOMP}" = "y" ]; then
535 extra_config+=(--enable-libgomp)
537 extra_config+=(--disable-libgomp)
539 if [ "${CT_CC_GCC_LIBSSP}" = "y" ]; then
540 extra_config+=(--enable-libssp)
542 extra_config+=(--disable-libssp)
546 # Keep this full if-else-if-elif-fi-fi block in sync
547 # with the same block in do_cc_core, above.
548 if [ "${CT_STATIC_TOOLCHAIN}" = "y" ]; then
549 final_LDFLAGS+=("-static")
550 host_libstdcxx_flags+=("-static-libgcc")
551 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++")
552 host_libstdcxx_flags+=("-lm")
553 # Companion libraries are build static (eg !shared), so
554 # the libstdc++ is not pulled automatically, although it
555 # is needed. Shoe-horn it in our LDFLAGS
556 # Ditto libm on some Fedora boxen
557 final_LDFLAGS+=("-lstdc++")
558 final_LDFLAGS+=("-lm")
560 if [ "${CT_CC_STATIC_LIBSTDCXX}" = "y" ]; then
561 # this is from CodeSourcery arm-2010q1-202-arm-none-linux-gnueabi.src.tar.bz2
563 # INFO: if the host gcc is gcc-4.5 then presumably we could use -static-libstdc++,
564 # see http://gcc.gnu.org/ml/gcc-patches/2009-06/msg01635.html
565 host_libstdcxx_flags+=("-static-libgcc")
566 host_libstdcxx_flags+=("-Wl,-Bstatic,-lstdc++,-Bdynamic")
567 host_libstdcxx_flags+=("-lm")
568 elif [ "${CT_COMPLIBS_SHARED}" != "y" ]; then
569 # When companion libraries are build static (eg !shared),
570 # the libstdc++ is not pulled automatically, although it
571 # is needed. Shoe-horn it in our LDFLAGS
572 # Ditto libm on some Fedora boxen
573 final_LDFLAGS+=("-lstdc++")
574 final_LDFLAGS+=("-lm")
578 if [ "${CT_CC_GCC_USE_GMP_MPFR}" = "y" ]; then
579 extra_config+=("--with-gmp=${CT_COMPLIBS_DIR}")
580 extra_config+=("--with-mpfr=${CT_COMPLIBS_DIR}")
582 if [ "${CT_CC_GCC_USE_MPC}" = "y" ]; then
583 extra_config+=("--with-mpc=${CT_COMPLIBS_DIR}")
585 if [ "${CT_CC_GCC_USE_GRAPHITE}" = "y" ]; then
586 extra_config+=("--with-ppl=${CT_COMPLIBS_DIR}")
587 # With PPL 0.11+, also pull libpwl if needed
588 if [ "${CT_PPL_NEEDS_LIBPWL}" = "y" ]; then
589 host_libstdcxx_flags+=("-L${CT_COMPLIBS_DIR}/lib")
590 host_libstdcxx_flags+=("-lpwl")
592 extra_config+=("--with-cloog=${CT_COMPLIBS_DIR}")
593 elif [ "${CT_CC_GCC_HAS_GRAPHITE}" = "y" ]; then
594 extra_config+=("--with-ppl=no")
595 extra_config+=("--with-cloog=no")
597 if [ "${CT_CC_GCC_USE_LTO}" = "y" ]; then
598 extra_config+=("--with-libelf=${CT_COMPLIBS_DIR}")
599 elif [ "${CT_CC_GCC_HAS_LTO}" = "y" ]; then
600 extra_config+=("--with-libelf=no")
603 if [ ${#host_libstdcxx_flags[@]} -ne 0 ]; then
604 extra_config+=("--with-host-libstdcxx=${host_libstdcxx_flags[*]}")
607 if [ "${CT_THREADS}" = "none" ]; then
608 extra_config+=("--disable-threads")
609 if [ "${CT_CC_GCC_4_2_or_later}" = y ]; then
610 CT_Test "Disabling libgomp for no-thread gcc>=4.2" "${CT_CC_GCC_LIBGOMP}" = "Y"
611 extra_config+=("--disable-libgomp")
614 if [ "${CT_THREADS}" = "win32" ]; then
615 extra_config+=("--enable-threads=win32")
616 extra_config+=("--disable-win32-registry")
618 extra_config+=("--enable-threads=posix")
622 if [ "${CT_CC_GCC_ENABLE_TARGET_OPTSPACE}" = "y" ]; then
623 extra_config+=("--enable-target-optspace")
625 if [ "${CT_CC_GCC_DISABLE_PCH}" = "y" ]; then
626 extra_config+=("--disable-libstdcxx-pch")
629 case "${CT_CC_GCC_LDBL_128}" in
630 y) extra_config+=("--with-long-double-128");;
632 "") extra_config+=("--without-long-double-128");;
635 if [ "${CT_CC_GCC_BUILD_ID}" = "y" ]; then
636 extra_config+=( --enable-linker-build-id )
639 case "${CT_CC_GCC_LNK_HASH_STYLE}" in
641 *) extra_config+=( "--with-linker-hash-style=${CT_CC_GCC_LNK_HASH_STYLE}" );;
644 if [ "${CT_CC_GCC_ENABLE_PLUGINS}" = "y" ]; then
645 extra_config+=( --enable-plugin )
647 if [ "${CT_CC_GCC_GOLD}" = "y" ]; then
648 extra_config+=( --enable-gold )
653 case "${CT_CC_GCC_mips_llsc}" in
654 y) extra_config+=( --with-llsc );;
656 *) extra_config+=( --without-llsc );;
658 case "${CT_CC_GCC_mips_synci}" in
659 y) extra_config+=( --with-synci );;
661 *) extra_config+=( --without-synci );;
663 if [ "${CT_CC_GCC_mips_plt}" ]; then
664 extra_config+=( --with-mips-plt )
669 [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] && extra_config+=("--disable-nls")
671 if [ "${CT_CC_GCC_SYSTEM_ZLIB}" = "y" ]; then
672 extra_config+=("--with-system-zlib")
675 if [ "${CT_MULTILIB}" = "y" ]; then
676 extra_config+=("--enable-multilib")
678 extra_config+=("--disable-multilib")
681 CT_DoLog DEBUG "Extra config passed: '${extra_config[*]}'"
684 CC_FOR_BUILD="${CT_BUILD}-gcc" \
685 CFLAGS="${CT_CFLAGS_FOR_HOST}" \
686 LDFLAGS="${final_LDFLAGS[*]}" \
687 CFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
688 CXXFLAGS_FOR_TARGET="${CT_TARGET_CFLAGS}" \
689 LDFLAGS_FOR_TARGET="${CT_TARGET_LDFLAGS}" \
690 "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/configure" \
691 --build=${CT_BUILD} \
693 --target=${CT_TARGET} \
694 --prefix="${CT_PREFIX_DIR}" \
696 "${extra_config[@]}" \
697 --with-local-prefix="${CT_SYSROOT_DIR}" \
700 "${CT_CC_EXTRA_CONFIG_ARRAY[@]}"
702 if [ "${CT_CANADIAN}" = "y" ]; then
703 CT_DoLog EXTRA "Building libiberty"
704 CT_DoExecLog ALL make ${JOBSFLAGS} all-build-libiberty
707 CT_DoLog EXTRA "Building final compiler"
708 CT_DoExecLog ALL make ${JOBSFLAGS} all
710 CT_DoLog EXTRA "Installing final compiler"
711 CT_DoExecLog ALL make ${JOBSFLAGS} install
713 if [ "${CT_BUILD_MANUALS}" = "y" ]; then
714 CT_DoLog EXTRA "Building the GCC manuals"
715 CT_DoExecLog ALL make ${JOBSFLAGS} pdf html
716 CT_DoLog EXTRA "Installing the GCC manuals"
717 CT_DoExecLog ALL make install-{pdf,html}-gcc
720 # Create a symlink ${CT_TARGET}-cc to ${CT_TARGET}-gcc to always be able
721 # to call the C compiler with the same, somewhat canonical name.
722 # check whether compiler has an extension
723 file="$( ls -1 "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc."* 2>/dev/null || true )"
724 [ -z "${file}" ] || ext=".${file##*.}"
725 CT_DoExecLog ALL ln -sfv "${CT_TARGET}-gcc${ext}" "${CT_PREFIX_DIR}/bin/${CT_TARGET}-cc${ext}"
727 if [ "${CT_MULTILIB}" = "y" ]; then
728 multilibs=( $( "${CT_PREFIX_DIR}/bin/${CT_TARGET}-gcc" -print-multi-lib \
730 if [ ${#multilibs[@]} -ne 0 ]; then
731 CT_DoLog EXTRA "gcc configured with these multilibs (besides the default):"
732 for i in "${multilibs[@]}"; do
735 CT_DoLog EXTRA " ${flags//@/ -} --> ${dir}/"
738 CT_DoLog WARN "gcc configured for multilib, but none available"