As per your instructions i tried to build the GCC.I got the following errors: /mnt/clfs/sources/gcc-build/./gcc/xgcc -B/mnt/clfs/sources/gcc-build/./gcc/ -B/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/ -B/mnt/clfs/cross-tools/arm-linux-musleabihf/lib/ -isystem /mnt/clfs/cross-tools/arm-linux-musleabihf/include -isystem /mnt/clfs/cross-tools/arm-linux-musleabihf/sys-include -g -O2 -mthumb -march=armv6s-m -mfloat-abi=soft -O2 -g -O2 -DIN_GCC -DCROSS_DIRECTORY_STRUCTURE -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition -isystem ./include -fPIC -fno-inline -g -DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector -Dinhibit_libc -fPIC -fno-inline -I. -I. -I../../../../.././gcc -I../../../../../../gcc-9.2.0/libgcc -I../../../../../../gcc-9.2.0/libgcc/. -I../../../../../../gcc-9.2.0/libgcc/../gcc -I../../../../../../gcc-9.2.0/libgcc/../include -DHAVE_CC_TLS -o _dvmd_lnx_s.o -MT _dvmd_lnx_s.o -MD -MP -MF _dvmd_lnx_s.dep -DSHARED -DL_dvmd_lnx -xassembler-with-cpp -c ../../../../../../gcc-9.2.0/libgcc/config/arm/lib1funcs.S ../../../../../../gcc-9.2.0/libgcc/config/arm/lib1funcs.S: Assembler messages: ../../../../../../gcc-9.2.0/libgcc/config/arm/lib1funcs.S:1482: Error: bad instruction `arm_func_start aeabi_idiv0' ../../../../../../gcc-9.2.0/libgcc/config/arm/lib1funcs.S:1483: Error: bad instruction `arm_func_start aeabi_ldiv0' ../../../../../../gcc-9.2.0/libgcc/config/arm/lib1funcs.S:1484: Error: selected processor does not support `stmfd sp!,{r1,lr}' in Thumb mode ../../../../../../gcc-9.2.0/libgcc/config/arm/lib1funcs.S:1495: Error: lo register required -- `ldmia sp!,{r1,pc}' ../../../../../../gcc-9.2.0/libgcc/config/arm/lib1funcs.S:1485: Error: invalid operands (.text and *UND* sections) for `-' ../../../../../../gcc-9.2.0/libgcc/config/arm/lib1funcs.S:1479: Error: can't resolve `.text' {.text section} - `__aeabi_ldiv0' {*UND* section} /tmp/cc0Si52Z.s: Error: .size expression for __aeabi_ldiv0 does not evaluate to a constant /tmp/cc0Si52Z.s: Error: .size expression for __aeabi_idiv0 does not evaluate to a constant make[3]: *** [Makefile:488: _dvmd_lnx_s.o] Error 1 make[3]: Leaving directory '/mnt/clfs/sources/gcc-build/arm-linux-musleabihf/thumb/v6-m/nofp/libgcc' make[2]: *** [Makefile:1210: multi-do] Error 1 make[2]: Leaving directory '/mnt/clfs/sources/gcc-build/arm-linux-musleabihf/libgcc' make[1]: *** [Makefile:127: all-multi] Error 2 make[1]: Leaving directory '/mnt/clfs/sources/gcc-build/arm-linux-musleabihf/libgcc' make: *** [Makefile:12499: all-target-libgcc] Error 2 ---------------------------------------------------------- Config.log: This file contains any messages produced by compilers while running configure, to aid debugging if configure makes a mistake. It was created by configure, which was generated by GNU Autoconf 2.69. Invocation command line was $ ../gcc-9.2.0/configure --prefix=/mnt/clfs/cross-tools --build=x86_64-cross-linux-gnu --host=x86_64-cross-linux-gnu --target=arm-linux-musleabihf --with-sysroot=/mnt/clfs/cross-tools/arm-linux-musleabihf --disable-nls --disable-shared --without-headers --with-newlib --disable-decimal-float --disable-libgomp --disable-libmudflap --disable-libssp --disable-libatomic --disable-libquadmath --disable-threads --enable-languages=c --enable-multilib --with-mpfr-include=/mnt/clfs/sources/gcc-build/../gcc-9.2.0/mpfr/src --with-mpfr-lib=/mnt/clfs/sources/gcc-build/mpfr/src/.libs --with-multilib-list=rmprofile ## --------- ## ## Platform. ## ## --------- ## hostname = hib uname -m = x86_64 uname -r = 5.3.0-19-generic uname -s = Linux uname -v = #20-Ubuntu SMP Fri Oct 18 09:04:39 UTC 2019 /usr/bin/uname -p = x86_64 /bin/uname -X = unknown /bin/arch = x86_64 /usr/bin/arch -k = unknown /usr/convex/getsysinfo = unknown /usr/bin/hostinfo = unknown /bin/machine = unknown /usr/bin/oslevel = unknown /bin/universe = unknown PATH: /mnt/clfs/cross-tools/bin PATH: /bin PATH: /usr/bin ## ----------- ## ## Core tests. ## ## ----------- ## configure:2348: checking build system type configure:2362: result: x86_64-cross-linux-gnu configure:2409: checking host system type configure:2422: result: x86_64-cross-linux-gnu configure:2442: checking target system type configure:2455: result: arm-unknown-linux-musleabihf configure:2509: checking for a BSD-compatible install configure:2577: result: /bin/install -c configure:2588: checking whether ln works configure:2610: result: yes configure:2614: checking whether ln -s works configure:2618: result: yes configure:2625: checking for a sed that does not truncate output configure:2689: result: /bin/sed configure:2698: checking for gawk configure:2714: found /bin/gawk configure:2725: result: gawk configure:3257: checking for libitm support configure:3267: result: yes configure:3276: checking for libsanitizer support configure:3286: result: yes configure:3295: checking for libvtv support configure:3305: result: yes configure:3315: checking for libhsail-rt support configure:3321: result: no configure:3406: checking for libphobos support configure:3416: result: yes configure:4036: checking for x86_64-cross-linux-gnu-gcc configure:4066: result: no configure:4076: checking for gcc configure:4092: found /bin/gcc configure:4103: result: gcc configure:4332: checking for C compiler version configure:4341: gcc --version >&5 gcc (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008 Copyright (C) 2019 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. configure:4352: $? = 0 configure:4341: gcc -v >&5 Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/9/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none:hsa OFFLOAD_TARGET_DEFAULT=1 Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 9.2.1-9ubuntu2' --with-bugurl=file:///usr/share/doc/gcc-9/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-9 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none,hsa --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 9.2.1 20191008 (Ubuntu 9.2.1-9ubuntu2) configure:4352: $? = 0 configure:4341: gcc -V >&5 gcc: error: unrecognized command line option '-V' gcc: fatal error: no input files compilation terminated. configure:4352: $? = 1 configure:4341: gcc -qversion >&5 gcc: error: unrecognized command line option '-qversion'; did you mean '--version'? gcc: fatal error: no input files compilation terminated. configure:4352: $? = 1 configure:4372: checking whether the C compiler works configure:4394: gcc conftest.c >&5 configure:4398: $? = 0 configure:4446: result: yes configure:4449: checking for C compiler default output file name configure:4451: result: a.out configure:4457: checking for suffix of executables configure:4464: gcc -o conftest conftest.c >&5 configure:4468: $? = 0 configure:4490: result: configure:4512: checking whether we are cross compiling configure:4520: gcc -o conftest conftest.c >&5 configure:4524: $? = 0 configure:4531: ./conftest configure:4535: $? = 0 configure:4523: result: no configure:4528: checking for suffix of object files configure:4550: gcc -c conftest.c >&5 configure:4554: $? = 0 configure:4575: result: o configure:4579: checking whether we are using the GNU C compiler configure:4598: gcc -c conftest.c >&5 configure:4598: $? = 0 configure:4607: result: yes configure:4616: checking whether gcc accepts -g configure:4636: gcc -c -g conftest.c >&5 configure:4636: $? = 0 configure:4677: result: yes configure:4694: checking for gcc option to accept ISO C89 configure:4757: gcc -c -g -O2 conftest.c >&5 configure:4757: $? = 0 configure:4770: result: none needed configure:4804: checking for x86_64-cross-linux-gnu-g++ configure:4834: result: no configure:4804: checking for x86_64-cross-linux-gnu-c++ configure:4834: result: no configure:4804: checking for x86_64-cross-linux-gnu-gpp configure:4834: result: no configure:4804: checking for x86_64-cross-linux-gnu-aCC configure:4834: result: no configure:4804: checking for x86_64-cross-linux-gnu-CC configure:4834: result: no configure:4804: checking for x86_64-cross-linux-gnu-cxx configure:4834: result: no configure:4804: checking for x86_64-cross-linux-gnu-cc++ configure:4834: result: no configure:4804: checking for x86_64-cross-linux-gnu-cl.exe configure:4834: result: no configure:4804: checking for x86_64-cross-linux-gnu-FCC configure:4834: result: no configure:4804: checking for x86_64-cross-linux-gnu-KCC configure:4834: result: no configure:4804: checking for x86_64-cross-linux-gnu-RCC configure:4834: result: no configure:4804: checking for x86_64-cross-linux-gnu-xlC_r configure:4834: result: no configure:4804: checking for x86_64-cross-linux-gnu-xlC configure:4834: result: no configure:4848: checking for g++ configure:4864: found /bin/g++ configure:4875: result: g++ configure:4902: checking for C++ compiler version configure:4911: g++ --version >&5 g++ (Ubuntu 9.2.1-9ubuntu2) 9.2.1 20191008 Copyright (C) 2019 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. configure:4922: $? = 0 configure:4911: g++ -v >&5 Using built-in specs. COLLECT_GCC=g++ COLLECT_LTO_WRAPPER=/usr/lib/gcc/x86_64-linux-gnu/9/lto-wrapper OFFLOAD_TARGET_NAMES=nvptx-none:hsa OFFLOAD_TARGET_DEFAULT=1 Target: x86_64-linux-gnu Configured with: ../src/configure -v --with-pkgversion='Ubuntu 9.2.1-9ubuntu2' --with-bugurl=file:///usr/share/doc/gcc-9/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++,gm2 --prefix=/usr --with-gcc-major-version-only --program-suffix=-9 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --enable-bootstrap --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none,hsa --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu Thread model: posix gcc version 9.2.1 20191008 (Ubuntu 9.2.1-9ubuntu2) configure:4922: $? = 0 configure:4911: g++ -V >&5 g++: error: unrecognized command line option '-V' g++: fatal error: no input files compilation terminated. configure:4922: $? = 1 configure:4911: g++ -qversion >&5 g++: error: unrecognized command line option '-qversion'; did you mean '--version'? g++: fatal error: no input files compilation terminated. configure:4922: $? = 1 configure:4926: checking whether we are using the GNU C++ compiler configure:4945: g++ -c conftest.cpp >&5 configure:4945: $? = 0 configure:4954: result: yes configure:4963: checking whether g++ accepts -g configure:4983: g++ -c -g conftest.cpp >&5 configure:4983: $? = 0 configure:5024: result: yes configure:5073: checking whether g++ accepts -static-libstdc++ -static-libgcc configure:5090: g++ -o conftest -g -O2 -static-libstdc++ -static-libgcc conftest.cpp >&5 configure:5090: $? = 0 configure:5091: result: yes configure:5115: checking for x86_64-cross-linux-gnu-gnatbind configure:5145: result: no configure:5155: checking for gnatbind configure:5185: result: no configure:5207: checking for x86_64-cross-linux-gnu-gnatmake configure:5237: result: no configure:5247: checking for gnatmake configure:5277: result: no configure:5296: checking whether compiler driver understands Ada configure:5319: result: no configure:5328: checking how to compare bootstrapped objects configure:5353: result: cmp --ignore-initial=16 $$f1 $$f2 configure:5413: checking for objdir configure:5428: result: .libs configure:5976: checking for isl 0.15 or later configure:5989: gcc -o conftest -g -O2 -I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp -I/mnt/clfs/sources/gcc-build/../gcc-9.2.0/mpfr/src -I$$s/mpc/src -lisl -L$$r/$(HOST_SUBDIR)/gmp/.libs -L/mnt/clfs/sources/gcc-build/mpfr/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/.libs -lmpc -lmpfr -lgmp conftest.c -lisl -lgmp >&5 conftest.c:10:10: fatal error: isl/schedule.h: No such file or directory 10 | #include <isl/schedule.h> | ^~~~~~~~~~~~~~~~ compilation terminated. configure:5989: $? = 1 configure: failed program was: | /* confdefs.h */ | #define PACKAGE_NAME "" | #define PACKAGE_TARNAME "" | #define PACKAGE_VERSION "" | #define PACKAGE_STRING "" | #define PACKAGE_BUGREPORT "" | #define PACKAGE_URL "" | #define LT_OBJDIR ".libs/" | /* end confdefs.h. */ | #include <isl/schedule.h> | int | main () | { | isl_options_set_schedule_serialize_sccs (NULL, 0); | ; | return 0; | } configure:5996: result: no configure:6000: result: required isl version is 0.15 or later configure:7093: checking for default BUILD_CONFIG configure:7125: result: configure:7130: checking for --enable-vtable-verify configure:7143: result: no configure:7744: checking for bison configure:7760: found /bin/bison configure:7771: result: bison -y configure:7791: checking for bison configure:7807: found /bin/bison configure:7818: result: bison configure:7838: checking for gm4 configure:7868: result: no configure:7838: checking for gnum4 configure:7868: result: no configure:7838: checking for m4 configure:7854: found /bin/m4 configure:7865: result: m4 configure:7885: checking for flex configure:7901: found /bin/flex configure:7912: result: flex configure:7933: checking for flex configure:7949: found /bin/flex configure:7960: result: flex configure:7980: checking for makeinfo configure:7996: found /bin/makeinfo configure:8007: result: makeinfo configure:8041: checking for expect configure:8057: found /bin/expect configure:8068: result: expect configure:8090: checking for runtest configure:8120: result: no configure:8196: checking for x86_64-cross-linux-gnu-ar configure:8226: result: no configure:8235: checking for ar configure:8251: found /bin/ar configure:8262: result: ar configure:8337: checking for x86_64-cross-linux-gnu-as configure:8367: result: no configure:8376: checking for as configure:8392: found /bin/as configure:8403: result: as configure:8478: checking for x86_64-cross-linux-gnu-dlltool configure:8508: result: no configure:8517: checking for dlltool configure:8547: result: no configure:8619: checking for x86_64-cross-linux-gnu-ld configure:8649: result: no configure:8658: checking for ld configure:8674: found /bin/ld configure:8685: result: ld configure:8760: checking for x86_64-cross-linux-gnu-lipo configure:8790: result: no configure:8799: checking for lipo configure:8829: result: no configure:8901: checking for x86_64-cross-linux-gnu-nm configure:8931: result: no configure:8940: checking for nm configure:8956: found /bin/nm configure:8967: result: nm configure:9042: checking for x86_64-cross-linux-gnu-ranlib configure:9072: result: no configure:9081: checking for ranlib configure:9097: found /bin/ranlib configure:9108: result: ranlib configure:9178: checking for x86_64-cross-linux-gnu-strip configure:9208: result: no configure:9217: checking for strip configure:9233: found /bin/strip configure:9244: result: strip configure:9314: checking for x86_64-cross-linux-gnu-windres configure:9344: result: no configure:9353: checking for windres configure:9383: result: no configure:9455: checking for x86_64-cross-linux-gnu-windmc configure:9485: result: no configure:9494: checking for windmc configure:9524: result: no configure:9596: checking for x86_64-cross-linux-gnu-objcopy configure:9626: result: no configure:9635: checking for objcopy configure:9651: found /bin/objcopy configure:9662: result: objcopy configure:9737: checking for x86_64-cross-linux-gnu-objdump configure:9767: result: no configure:9776: checking for objdump configure:9792: found /bin/objdump configure:9803: result: objdump configure:9878: checking for x86_64-cross-linux-gnu-otool configure:9908: result: no configure:9917: checking for otool configure:9947: result: no configure:10019: checking for x86_64-cross-linux-gnu-readelf configure:10049: result: no configure:10058: checking for readelf configure:10074: found /bin/readelf configure:10085: result: readelf configure:10199: checking for arm-linux-musleabihf-cc configure:10229: result: no configure:10199: checking for arm-linux-musleabihf-gcc configure:10229: result: no configure:10360: checking for arm-linux-musleabihf-c++ configure:10390: result: no configure:10360: checking for arm-linux-musleabihf-g++ configure:10390: result: no configure:10360: checking for arm-linux-musleabihf-cxx configure:10390: result: no configure:10360: checking for arm-linux-musleabihf-gxx configure:10390: result: no configure:10521: checking for arm-linux-musleabihf-gcc configure:10551: result: no configure:10677: checking for arm-linux-musleabihf-gfortran configure:10707: result: no configure:10838: checking for arm-linux-musleabihf-gccgo configure:10868: result: no configure:10999: checking for arm-linux-musleabihf-gdc configure:11029: result: no configure:11129: checking for ar configure:11147: found /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/ar configure:11159: result: /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/ar configure:11359: checking for as configure:11377: found /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/as configure:11389: result: /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/as configure:11589: checking for dlltool configure:11622: result: no configure:11700: checking for arm-linux-musleabihf-dlltool configure:11730: result: no configure:11819: checking for ld configure:11837: found /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/ld configure:11849: result: /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/ld configure:12049: checking for lipo configure:12082: result: no configure:12160: checking for arm-linux-musleabihf-lipo configure:12190: result: no configure:12279: checking for nm configure:12297: found /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/nm configure:12309: result: /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/nm configure:12509: checking for objcopy configure:12527: found /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/objcopy configure:12539: result: /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/objcopy configure:12739: checking for objdump configure:12757: found /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/objdump configure:12769: result: /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/objdump configure:12969: checking for otool configure:13002: result: no configure:13080: checking for arm-linux-musleabihf-otool configure:13110: result: no configure:13199: checking for ranlib configure:13217: found /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/ranlib configure:13229: result: /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/ranlib configure:13429: checking for readelf configure:13447: found /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/readelf configure:13459: result: /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/readelf configure:13659: checking for strip configure:13677: found /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/strip configure:13689: result: /mnt/clfs/cross-tools/arm-linux-musleabihf/bin/strip configure:13889: checking for windres configure:13922: result: no configure:14000: checking for arm-linux-musleabihf-windres configure:14030: result: no configure:14119: checking for windmc configure:14152: result: no configure:14230: checking for arm-linux-musleabihf-windmc configure:14260: result: no configure:14327: checking where to find the target ar configure:14355: result: pre-installed in /mnt/clfs/cross-tools/arm-linux-musleabihf/bin configure:14369: checking where to find the target as configure:14397: result: pre-installed in /mnt/clfs/cross-tools/arm-linux-musleabihf/bin configure:14411: checking where to find the target cc configure:14434: result: just compiled configure:14453: checking where to find the target c++ configure:14493: result: pre-installed configure:14498: checking where to find the target c++ for libstdc++ configure:14538: result: pre-installed configure:14543: checking where to find the target dlltool configure:14580: result: pre-installed configure:14585: checking where to find the target gcc configure:14608: result: just compiled configure:14627: checking where to find the target gfortran configure:14667: result: pre-installed configure:14672: checking where to find the target gccgo configure:14712: result: pre-installed configure:14717: checking where to find the target gdc configure:14757: result: pre-installed configure:14762: checking where to find the target ld configure:14790: result: pre-installed in /mnt/clfs/cross-tools/arm-linux-musleabihf/bin configure:14804: checking where to find the target lipo configure:14830: result: pre-installed configure:14835: checking where to find the target nm configure:14863: result: pre-installed in /mnt/clfs/cross-tools/arm-linux-musleabihf/bin configure:14877: checking where to find the target objcopy configure:14905: result: pre-installed in /mnt/clfs/cross-tools/arm-linux-musleabihf/bin configure:14919: checking where to find the target objdump configure:14947: result: pre-installed in /mnt/clfs/cross-tools/arm-linux-musleabihf/bin configure:14961: checking where to find the target otool configure:14987: result: pre-installed configure:14992: checking where to find the target ranlib configure:15020: result: pre-installed in /mnt/clfs/cross-tools/arm-linux-musleabihf/bin configure:15034: checking where to find the target readelf configure:15062: result: pre-installed in /mnt/clfs/cross-tools/arm-linux-musleabihf/bin configure:15076: checking where to find the target strip configure:15104: result: pre-installed in /mnt/clfs/cross-tools/arm-linux-musleabihf/bin configure:15118: checking where to find the target windres configure:15155: result: pre-installed configure:15160: checking where to find the target windmc configure:15197: result: pre-installed configure:15230: checking whether to enable maintainer-specific portions of Makefiles configure:15239: result: no configure:15474: creating ./config.status ## ---------------------- ## ## Running config.status. ## ## ---------------------- ## This file was extended by config.status, which was generated by GNU Autoconf 2.69. Invocation command line was CONFIG_FILES = CONFIG_HEADERS = CONFIG_LINKS = CONFIG_COMMANDS = $ ./config.status on hib config.status:1016: creating Makefile ## ---------------- ## ## Cache variables. ## ## ---------------- ## ac_cv_build=x86_64-cross-linux-gnu ac_cv_c_compiler_gnu=yes ac_cv_cxx_compiler_gnu=yes ac_cv_env_AR_FOR_TARGET_set= ac_cv_env_AR_FOR_TARGET_value= ac_cv_env_AR_set= ac_cv_env_AR_value= ac_cv_env_AS_FOR_TARGET_set= ac_cv_env_AS_FOR_TARGET_value= ac_cv_env_AS_set= ac_cv_env_AS_value= ac_cv_env_CCC_set= ac_cv_env_CCC_value= ac_cv_env_CC_FOR_TARGET_set= ac_cv_env_CC_FOR_TARGET_value= ac_cv_env_CC_set= ac_cv_env_CC_value= ac_cv_env_CFLAGS_set= ac_cv_env_CFLAGS_value= ac_cv_env_CPPFLAGS_set= ac_cv_env_CPPFLAGS_value= ac_cv_env_CXXFLAGS_set= ac_cv_env_CXXFLAGS_value= ac_cv_env_CXX_FOR_TARGET_set= ac_cv_env_CXX_FOR_TARGET_value= ac_cv_env_CXX_set= ac_cv_env_CXX_value= ac_cv_env_DLLTOOL_FOR_TARGET_set= ac_cv_env_DLLTOOL_FOR_TARGET_value= ac_cv_env_DLLTOOL_set= ac_cv_env_DLLTOOL_value= ac_cv_env_GCC_FOR_TARGET_set= ac_cv_env_GCC_FOR_TARGET_value= ac_cv_env_GDC_FOR_TARGET_set= ac_cv_env_GDC_FOR_TARGET_value= ac_cv_env_GFORTRAN_FOR_TARGET_set= ac_cv_env_GFORTRAN_FOR_TARGET_value= ac_cv_env_GOC_FOR_TARGET_set= ac_cv_env_GOC_FOR_TARGET_value= ac_cv_env_LDFLAGS_set= ac_cv_env_LDFLAGS_value= ac_cv_env_LD_FOR_TARGET_set= ac_cv_env_LD_FOR_TARGET_value= ac_cv_env_LD_set= ac_cv_env_LD_value= ac_cv_env_LIBS_set= ac_cv_env_LIBS_value= ac_cv_env_LIPO_FOR_TARGET_set= ac_cv_env_LIPO_FOR_TARGET_value= ac_cv_env_LIPO_set= ac_cv_env_LIPO_value= ac_cv_env_NM_FOR_TARGET_set= ac_cv_env_NM_FOR_TARGET_value= ac_cv_env_NM_set= ac_cv_env_NM_value= ac_cv_env_OBJCOPY_FOR_TARGET_set= ac_cv_env_OBJCOPY_FOR_TARGET_value= ac_cv_env_OBJCOPY_set= ac_cv_env_OBJCOPY_value= ac_cv_env_OBJDUMP_FOR_TARGET_set= ac_cv_env_OBJDUMP_FOR_TARGET_value= ac_cv_env_OBJDUMP_set= ac_cv_env_OBJDUMP_value= ac_cv_env_OTOOL_FOR_TARGET_set= ac_cv_env_OTOOL_FOR_TARGET_value= ac_cv_env_OTOOL_set= ac_cv_env_OTOOL_value= ac_cv_env_RANLIB_FOR_TARGET_set= ac_cv_env_RANLIB_FOR_TARGET_value= ac_cv_env_RANLIB_set= ac_cv_env_RANLIB_value= ac_cv_env_READELF_FOR_TARGET_set= ac_cv_env_READELF_FOR_TARGET_value= ac_cv_env_READELF_set= ac_cv_env_READELF_value= ac_cv_env_STRIP_FOR_TARGET_set= ac_cv_env_STRIP_FOR_TARGET_value= ac_cv_env_STRIP_set= ac_cv_env_STRIP_value= ac_cv_env_WINDMC_FOR_TARGET_set= ac_cv_env_WINDMC_FOR_TARGET_value= ac_cv_env_WINDMC_set= ac_cv_env_WINDMC_value= ac_cv_env_WINDRES_FOR_TARGET_set= ac_cv_env_WINDRES_FOR_TARGET_value= ac_cv_env_WINDRES_set= ac_cv_env_WINDRES_value= ac_cv_env_build_alias_set=set ac_cv_env_build_alias_value=x86_64-cross-linux-gnu ac_cv_env_build_configargs_set= ac_cv_env_build_configargs_value= ac_cv_env_host_alias_set=set ac_cv_env_host_alias_value=x86_64-cross-linux-gnu ac_cv_env_host_configargs_set= ac_cv_env_host_configargs_value= ac_cv_env_target_alias_set=set ac_cv_env_target_alias_value=arm-linux-musleabihf ac_cv_env_target_configargs_set= ac_cv_env_target_configargs_value= ac_cv_host=x86_64-cross-linux-gnu ac_cv_objext=o ac_cv_path_AR_FOR_TARGET=/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/ar ac_cv_path_AS_FOR_TARGET=/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/as ac_cv_path_LD_FOR_TARGET=/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/ld ac_cv_path_NM_FOR_TARGET=/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/nm ac_cv_path_OBJCOPY_FOR_TARGET=/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/objcopy ac_cv_path_OBJDUMP_FOR_TARGET=/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/objdump ac_cv_path_RANLIB_FOR_TARGET=/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/ranlib ac_cv_path_READELF_FOR_TARGET=/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/readelf ac_cv_path_SED=/bin/sed ac_cv_path_STRIP_FOR_TARGET=/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/strip ac_cv_path_install='/bin/install -c' ac_cv_prog_AR=ar ac_cv_prog_AS=as ac_cv_prog_AWK=gawk ac_cv_prog_BISON=bison ac_cv_prog_EXPECT=expect ac_cv_prog_FLEX=flex ac_cv_prog_LD=ld ac_cv_prog_LEX=flex ac_cv_prog_M4=m4 ac_cv_prog_MAKEINFO=makeinfo ac_cv_prog_NM=nm ac_cv_prog_OBJCOPY=objcopy ac_cv_prog_OBJDUMP=objdump ac_cv_prog_RANLIB=ranlib ac_cv_prog_READELF=readelf ac_cv_prog_STRIP=strip ac_cv_prog_YACC='bison -y' ac_cv_prog_ac_ct_CC=gcc ac_cv_prog_ac_ct_CXX=g++ ac_cv_prog_cc_c89= ac_cv_prog_cc_g=yes ac_cv_prog_cxx_g=yes ac_cv_target=arm-unknown-linux-musleabihf acx_cv_cc_gcc_supports_ada=no acx_cv_prog_LN=ln gcc_cv_isl=no gcc_cv_prog_cmp_skip='cmp --ignore-initial=16 $$f1 $$f2' gcc_cv_tool_dirs=/mnt/clfs/cross-tools/libexec/gcc/arm-linux-musleabihf/9.2.0:/mnt/clfs/cross-tools/libexec/gcc/arm-linux-musleabihf:/usr/lib/gcc/arm-linux-musleabihf/9.2.0:/usr/lib/gcc/arm-linux-musleabihf:/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/arm-linux-musleabihf/9.2.0:/mnt/clfs/cross-tools/arm-linux-musleabihf/bin: gcc_cv_tool_prefix=/mnt/clfs/cross-tools lt_cv_objdir=.libs ## ----------------- ## ## Output variables. ## ## ----------------- ## AR='ar' AR_FOR_BUILD='$(AR)' AR_FOR_TARGET='/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/ar' AS='as' AS_FOR_BUILD='$(AS)' AS_FOR_TARGET='/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/as' AWK='gawk' BISON='bison' BUILD_CONFIG='' CC='gcc' CC_FOR_BUILD='$(CC)' CC_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/' CFLAGS='-g -O2' CFLAGS_FOR_BUILD='-g -O2' CFLAGS_FOR_TARGET='-g -O2' COMPILER_AS_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/as' COMPILER_LD_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/collect-ld' COMPILER_NM_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/nm' CONFIGURE_GDB_TK='' CPPFLAGS='' CXX='g++' CXXFLAGS='-g -O2' CXXFLAGS_FOR_BUILD='-g -O2' CXXFLAGS_FOR_TARGET='-g -O2' CXX_FOR_BUILD='$(CXX)' CXX_FOR_TARGET='arm-linux-musleabihf-c++' DEBUG_PREFIX_CFLAGS_FOR_TARGET='' DEFS='-DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DLT_OBJDIR=\".libs/\"' DLLTOOL='dlltool' DLLTOOL_FOR_BUILD='$(DLLTOOL)' DLLTOOL_FOR_TARGET='arm-linux-musleabihf-dlltool' ECHO_C='' ECHO_N='-n' ECHO_T='' EXEEXT='' EXPECT='expect' FLAGS_FOR_TARGET=' -B$(build_tooldir)/bin/ -B$(build_tooldir)/lib/ -isystem $(build_tooldir)/include -isystem $(build_tooldir)/sys-include' FLEX='flex' GCC_FOR_TARGET='$$r/$(HOST_SUBDIR)/gcc/xgcc -B$$r/$(HOST_SUBDIR)/gcc/' GCC_SHLIB_SUBDIR='' GDB_TK='' GDC_FOR_BUILD='$(GDC)' GDC_FOR_TARGET='arm-linux-musleabihf-gdc' GFORTRAN_FOR_BUILD='$(GFORTRAN)' GFORTRAN_FOR_TARGET='arm-linux-musleabihf-gfortran' GNATBIND='no' GNATMAKE='no' GOC_FOR_BUILD='$(GOC)' GOC_FOR_TARGET='arm-linux-musleabihf-gccgo' INSTALL_DATA='${INSTALL} -m 644' INSTALL_GDB_TK='' INSTALL_PROGRAM='${INSTALL}' INSTALL_SCRIPT='${INSTALL}' LD='ld' LDFLAGS='' LDFLAGS_FOR_BUILD='' LDFLAGS_FOR_TARGET='' LD_FOR_BUILD='$(LD)' LD_FOR_TARGET='/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/ld' LEX='flex' LIBOBJS='' LIBS='' LIPO='lipo' LIPO_FOR_TARGET='arm-linux-musleabihf-lipo' LN='ln' LN_S='ln -s' LTLIBOBJS='' M4='m4' MAINT='#' MAINTAINER_MODE_FALSE='' MAINTAINER_MODE_TRUE='#' MAKEINFO='makeinfo' NM='nm' NM_FOR_BUILD='$(NM)' NM_FOR_TARGET='/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/nm' OBJCOPY='objcopy' OBJCOPY_FOR_TARGET='/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/objcopy' OBJDUMP='objdump' OBJDUMP_FOR_TARGET='/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/objdump' OBJEXT='o' OTOOL='otool' OTOOL_FOR_TARGET='arm-linux-musleabihf-otool' PACKAGE_BUGREPORT='' PACKAGE_NAME='' PACKAGE_STRING='' PACKAGE_TARNAME='' PACKAGE_URL='' PACKAGE_VERSION='' PATH_SEPARATOR=':' RANLIB='ranlib' RANLIB_FOR_BUILD='$(RANLIB)' RANLIB_FOR_TARGET='/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/ranlib' RAW_CXX_FOR_TARGET='arm-linux-musleabihf-c++' READELF='readelf' READELF_FOR_TARGET='/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/readelf' RPATH_ENVVAR='LD_LIBRARY_PATH' RUNTEST='runtest' SED='/bin/sed' SHELL='/bin/bash' STRIP='strip' STRIP_FOR_TARGET='/mnt/clfs/cross-tools/arm-linux-musleabihf/bin/strip' SYSROOT_CFLAGS_FOR_TARGET='' TOPLEVEL_CONFIGURE_ARGUMENTS='../gcc-9.2.0/configure --prefix=/mnt/clfs/cross-tools --build=x86_64-cross-linux-gnu --host=x86_64-cross-linux-gnu --target=arm-linux-musleabihf --with-sysroot=/mnt/clfs/cross-tools/arm-linux-musleabihf --disable-nls --disable-shared --without-headers --with-newlib --disable-decimal-float --disable-libgomp --disable-libmudflap --disable-libssp --disable-libatomic --disable-libquadmath --disable-threads --enable-languages=c --enable-multilib --with-mpfr-include=/mnt/clfs/sources/gcc-build/../gcc-9.2.0/mpfr/src --with-mpfr-lib=/mnt/clfs/sources/gcc-build/mpfr/src/.libs --with-multilib-list=rmprofile' WINDMC='windmc' WINDMC_FOR_BUILD='$(WINDMC)' WINDMC_FOR_TARGET='arm-linux-musleabihf-windmc' WINDRES='windres' WINDRES_FOR_BUILD='$(WINDRES)' WINDRES_FOR_TARGET='arm-linux-musleabihf-windres' YACC='bison -y' ac_ct_CC='gcc' ac_ct_CXX='g++' bindir='${exec_prefix}/bin' build='x86_64-cross-linux-gnu' build_alias='x86_64-cross-linux-gnu' build_configargs=' --cache-file=./config.cache '\''--prefix=/mnt/clfs/cross-tools'\'' '\''--with-sysroot=/mnt/clfs/cross-tools/arm-linux-musleabihf'\'' '\''--disable-nls'\'' '\''--disable-shared'\'' '\''--without-headers'\'' '\''--with-newlib'\'' '\''--disable-decimal-float'\'' '\''--disable-libgomp'\'' '\''--disable-libmudflap'\'' '\''--disable-libssp'\'' '\''--disable-libatomic'\'' '\''--disable-libquadmath'\'' '\''--disable-threads'\'' '\''--enable-multilib'\'' '\''--with-mpfr-include=/mnt/clfs/sources/gcc-build/../gcc-9.2.0/mpfr/src'\'' '\''--with-mpfr-lib=/mnt/clfs/sources/gcc-build/mpfr/src/.libs'\'' '\''--with-multilib-list=rmprofile'\'' '\''--enable-languages=c,lto'\'' --program-transform-name='\''s&^&arm-linux-musleabihf-&'\'' --disable-option-checking' build_configdirs=' libiberty libcpp fixincludes' build_cpu='x86_64' build_libsubdir='build-x86_64-cross-linux-gnu' build_noncanonical='x86_64-cross-linux-gnu' build_os='linux-gnu' build_subdir='build-x86_64-cross-linux-gnu' build_tooldir='${exec_prefix}/arm-linux-musleabihf' build_vendor='cross' compare_exclusions='gcc/cc*-checksum$(objext) | gcc/ada/*tools/*' configdirs=' intl libiberty zlib libbacktrace libcpp libdecnumber gmp mpfr mpc fixincludes gcc libcc1 lto-plugin' datadir='${datarootdir}' datarootdir='${prefix}/share' do_compare='cmp --ignore-initial=16 $$f1 $$f2' docdir='${datarootdir}/doc/${PACKAGE}' dvidir='${docdir}' exec_prefix='${prefix}' extra_host_libiberty_configure_flags='--enable-shared' extra_host_zlib_configure_flags='' extra_isl_gmp_configure_flags='--with-gmp-builddir=$$r/$(HOST_SUBDIR)/gmp' extra_liboffloadmic_configure_flags='' extra_linker_plugin_configure_flags='' extra_linker_plugin_flags='' extra_mpc_gmp_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/.libs' extra_mpc_mpfr_configure_flags='' extra_mpfr_configure_flags='--with-gmp-include=$$r/$(HOST_SUBDIR)/gmp --with-gmp-lib=$$r/$(HOST_SUBDIR)/gmp/.libs' get_gcc_base_ver='cat' gmpinc='-I$$r/$(HOST_SUBDIR)/gmp -I$$s/gmp -I/mnt/clfs/sources/gcc-build/../gcc-9.2.0/mpfr/src -I$$s/mpc/src ' gmplibs='-L$$r/$(HOST_SUBDIR)/gmp/.libs -L/mnt/clfs/sources/gcc-build/mpfr/src/.libs -L$$r/$(HOST_SUBDIR)/mpc/src/.libs -lmpc -lmpfr -lgmp' host='x86_64-cross-linux-gnu' host_alias='x86_64-cross-linux-gnu' host_configargs=' --cache-file=./config.cache '\''--prefix=/mnt/clfs/cross-tools'\'' '\''--with-sysroot=/mnt/clfs/cross-tools/arm-linux-musleabihf'\'' '\''--disable-nls'\'' '\''--disable-shared'\'' '\''--without-headers'\'' '\''--with-newlib'\'' '\''--disable-decimal-float'\'' '\''--disable-libgomp'\'' '\''--disable-libmudflap'\'' '\''--disable-libssp'\'' '\''--disable-libatomic'\'' '\''--disable-libquadmath'\'' '\''--disable-threads'\'' '\''--enable-multilib'\'' '\''--with-mpfr-include=/mnt/clfs/sources/gcc-build/../gcc-9.2.0/mpfr/src'\'' '\''--with-mpfr-lib=/mnt/clfs/sources/gcc-build/mpfr/src/.libs'\'' '\''--with-multilib-list=rmprofile'\'' '\''--enable-languages=c,lto'\'' --program-transform-name='\''s&^&arm-linux-musleabihf-&'\'' --disable-option-checking' host_cpu='x86_64' host_noncanonical='x86_64-cross-linux-gnu' host_os='linux-gnu' host_shared='no' host_subdir='.' host_vendor='cross' htmldir='${docdir}' includedir='${prefix}/include' infodir='${datarootdir}/info' islinc='' isllibs='' libdir='${exec_prefix}/lib' libexecdir='${exec_prefix}/libexec' localedir='${datarootdir}/locale' localstatedir='${prefix}/var' mandir='${datarootdir}/man' oldincludedir='/usr/include' pdfdir='${docdir}' poststage1_ldflags='-static-libstdc++ -static-libgcc' poststage1_libs='' prefix='/mnt/clfs/cross-tools' program_transform_name='s&^&arm-linux-musleabihf-&' psdir='${docdir}' sbindir='${exec_prefix}/sbin' sharedstatedir='${prefix}/com' stage1_cflags='-g' stage1_checking='--enable-checking=yes,types' stage1_languages='c,lto' stage1_ldflags='-static-libstdc++ -static-libgcc' stage1_libs='' stage2_werror_flag='' sysconfdir='${prefix}/etc' target='arm-unknown-linux-musleabihf' target_alias='arm-linux-musleabihf' target_configargs='--cache-file=./config.cache --with-cross-host=x86_64-cross-linux-gnu '\''--prefix=/mnt/clfs/cross-tools'\'' '\''--with-sysroot=/mnt/clfs/cross-tools/arm-linux-musleabihf'\'' '\''--disable-nls'\'' '\''--disable-shared'\'' '\''--without-headers'\'' '\''--with-newlib'\'' '\''--disable-decimal-float'\'' '\''--disable-libgomp'\'' '\''--disable-libmudflap'\'' '\''--disable-libssp'\'' '\''--disable-libatomic'\'' '\''--disable-libquadmath'\'' '\''--disable-threads'\'' '\''--enable-multilib'\'' '\''--with-multilib-list=rmprofile'\'' '\''--enable-languages=c,lto'\'' --program-transform-name='\''s&^&arm-linux-musleabihf-&'\'' --disable-option-checking' target_configdirs=' libgcc' target_cpu='arm' target_noncanonical='arm-linux-musleabihf' target_os='linux-musleabihf' target_subdir='arm-linux-musleabihf' target_vendor='unknown' tooldir='${exec_prefix}/arm-linux-musleabihf' ## ------------------- ## ## File substitutions. ## ## ------------------- ## alphaieee_frag='/dev/null' host_makefile_frag='/dev/null' ospace_frag='/dev/null' serialization_dependencies='serdep.tmp' target_makefile_frag='../gcc-9.2.0/config/mt-gnu' ## ----------- ## ## confdefs.h. ## ## ----------- ## /* confdefs.h */ #define PACKAGE_NAME "" #define PACKAGE_TARNAME "" #define PACKAGE_VERSION "" #define PACKAGE_STRING "" #define PACKAGE_BUGREPORT "" #define PACKAGE_URL "" #define LT_OBJDIR ".libs/" configure: exit 0 What could be the problem? --------------------------------------------------------------- On Mon, Nov 11, 2019 at 01:42:43PM +0000, Richard Earnshaw (lists) wrote: > On 11/11/2019 13:33, sayed israr wrote: > > ---------- Forwarded message --------- > > From: Israr Sayed <sd.israr@xxxxxxxxx> > > Date: Mon, Nov 11, 2019 at 5:38 PM > > Subject: Re: Is it possible to build Single GCC Executable for armv5, > > armv6, armv7-{cortex-xx-{A,R,M}},armv8 etc.? > > To: Jonathan Wakely <jwakely.gcc@xxxxxxxxx> > > > > > > I am building GCC from sources.Where i can configure it with 2 ways: > > (1) --with-arch --with-cpu --with-fpu --with-float options . > > (2) --with-multilib-list= . > > In --with-multilib-list, we can configure for various combinations of > > armv*-*-*. > > For example, I want to build gcc for with arch = armv7, armv7-m, armv7e-m, > > with float = hard, softfp, soft. > > with fpu = fpv, fpv4, fpv4-d16 etc.. > > whereas if in configure i mention --with-arch --with-fpu --with-float.That > > will build GCC for those options only. > > I have a prebuilt arm GCC binary for STM32F controllers, which is built for > > whole range of armv7-M, armv7e-m along with FPUs. > > there configure options show --with-multilib-list=rmprofile. > > rmprofile is the multilib option for configure.Which is exactly what > > gcc/config/arm/t-rmprofile file is about. > > I hope i can explain my question better. > > You can configure the compiler with --with-multlib-list=xxx > > where xxx is any of "aprofile", "rmprofile" and "aprofile,rmprofile" > > If you do this, DO NOT specify any of --with-fpu, --with-cpu, --with-tune or > --with-arch. > > Be warned, the full set of multilibs is LARGE. It requires a fast machine > and/or a lot of time to build them all. > > You can, of course, edit any of the files - the GPL gives you that right, > but if you do so, you're most likely on your own. The multilib > configurations are complex and rely heavily on GNU Makefile trickery to > express all the required combinations. > > R. > > > ------------------------------------------------------ > > > > On Mon, Nov 11, 2019 at 11:40:39AM +0000, Jonathan Wakely wrote: > > > On Sun, 10 Nov 2019 at 11:36, Israr Sayed <sd.israr@xxxxxxxxx> wrote: > > > > > > > > Digging into the sources of GCC I noticed in files gcc/config/arm/t-*, > > There are multiple arm target options. > > > > > > > > Reading [GCC internal Manual], These are called Target Makefile > > Fragments, which will be included in main Makefile, like MULTILIB_OPTIONS, > > MULTILIB_DIRNAMES, MULTILIB_MATCHES, MULTILIB_REQUIRED, MULTILIB_REUSE, > > MULTILIB_EXTRA_OPTS, MULTILIB_OSDIRNAMES, MULTIARCH_DIRNAME. > > > > > > > > What I am not able to understand that how to bring it in at the time of > > configure.Which option to choose? > > > > > > > > More over is it possible to edit those t-* files as per the requirement > > and how? > > > > Please Help. > > > > > > I don't understand your question. Your email's subject talks about a > > > single GCC executable for multiple ARM variants, which is supported > > > automatically. When you configure GCC for an ARM target you can select > > > the specific processor type using the -march and/or -mcpu options. See > > > the documentation of command-line options in the GCC manual. > > > > > > You don't need to do anything special to use the target makefile > > > fragments, they're used automatically, as needed. >