We are running a survey to help us improve the experience for all of our members. If you see the survey appear, please take the time to tell us about your experience if you can.
I was told to install the latest pre-build (x86_64 to ARM) "https://developer.arm.com/-/media/Files/downloads/gnu-rm/10-2020q4/gcc-arm-none-eabi-10-2020-q4-major-x86_64-linux.tar.bz2?revision=ca0cbf9c-9de2-491c-ac48-898b5bbc0443&la=en&hash=68760A8AE66026BCF99F05AC017A6A50C6FD832A", I renamed the file to remove everything following the "...tar.bz2". Once installed, I tried running a "hello world" test which fails with several errors.
I hope the "-v" switch is helpful.
I fully admit to only have used compilers installed by a sysadmin. I have tried googling and reading about everything I could about installing and using the pre-built compiler but I'm just not getting it. Since everybody has a first time for whatever task they're doing, I'd appreciate any help. I'm very willing to do my research, so whatever help, info or pointers to help, is appreciated.
I do know that using both -mcpu=cortex-m0plus and -march=armv6 causes a switch conflict so I just told it what the cpu was and let it pick the architecture.
Regarding the test run, I do not know how to get the includes right, and what is left looks to be link errors. I don't know how to fix that either.
----------
ssh'ing to x86-64 machine running ububtu 20.04, default gcc is 9.3.0.
Installing gcc 10.2.1 which should be a cross-compiler to an ARM Cortex-m0+.
alias gccm=..blah../gcc-10.2.1_m0/gcc-arm-none-eabi/bin/arm-none-eabi-gcc -mcpu=cortex-m0plus'
Running test
$ gccm -v scott/gccsrc/hello.cUsing built-in specs.COLLECT_GCC=/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/arm-none-eabi-gccCOLLECT_LTO_WRAPPER=/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/lto-wrapperTarget: arm-none-eabiConfigured with: /mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/src/gcc/configure --target=arm-none-eabi --prefix=/mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/install-native --libexecdir=/mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/install-native/lib --infodir=/mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/install-native/share/doc/gcc-arm-none-eabi/info --mandir=/mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/install-native/share/doc/gcc-arm-none-eabi/man --htmldir=/mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/install-native/share/doc/gcc-arm-none-eabi/html --pdfdir=/mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/install-native/share/doc/gcc-arm-none-eabi/pdf --enable-languages=c,c++ --enable-plugins --disable-decimal-float --disable-libffi --disable-libgomp --disable-libmudflap --disable-libquadmath --disable-libssp --disable-libstdcxx-pch --disable-nls --disable-shared --disable-threads --disable-tls --with-gnu-as --with-gnu-ld --with-newlib --with-headers=yes --with-python-dir=share/gcc-arm-none-eabi --with-sysroot=/mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/install-native/arm-none-eabi --build=x86_64-linux-gnu --host=x86_64-linux-gnu --with-gmp=/mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/build-native/host-libs/usr --with-mpfr=/mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/build-native/host-libs/usr --with-mpc=/mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/build-native/host-libs/usr --with-isl=/mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/build-native/host-libs/usr --with-libelf=/mnt/workspace/workspace/GCC-10-pipeline/jenkins-GCC-10-pipeline-48_20201124_1606180641/build-native/host-libs/usr --with-host-libstdcxx='-static-libgcc -Wl,-Bstatic,-lstdc++,-Bdynamic -lm' --with-pkgversion='GNU Arm Embedded Toolchain 10-2020-q4-major' --with-multilib-list=rmprofile,aprofileThread model: singleSupported LTO compression algorithms: zlibgcc version 10.2.1 20201103 (release) (GNU Arm Embedded Toolchain 10-2020-q4-major)COLLECT_GCC_OPTIONS='-mcpu=cortex-m0plus' '-v' '-mfloat-abi=soft' '-mthumb' '-march=armv6s-m' /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/cc1 -quiet -v -imultilib thumb/v6-m/nofp -iprefix /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/ -isysroot /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../arm-none-eabi -D__USES_INITFINI__ scott/gccsrc/hello.c -quiet -dumpbase hello.c -mcpu=cortex-m0plus -mfloat-abi=soft -mthumb -march=armv6s-m -auxbase hello -version -o /tmp/ccWn3kSy.sGNU C17 (GNU Arm Embedded Toolchain 10-2020-q4-major) version 10.2.1 20201103 (release) (arm-none-eabi) compiled by GNU C version 4.8.4, GMP version 6.1.0, MPFR version 3.1.4, MPC version 1.0.3, isl version isl-0.18-GMPGGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072ignoring duplicate directory "/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/../../lib/gcc/arm-none-eabi/10.2.1/include"ignoring nonexistent directory "/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../arm-none-eabi/usr/local/include"ignoring duplicate directory "/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/../../lib/gcc/arm-none-eabi/10.2.1/include-fixed"ignoring duplicate directory "/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/../../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/include"ignoring nonexistent directory "/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../arm-none-eabi/usr/include"#include "..." search starts here:#include <...> search starts here: /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/include /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/include-fixed /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/includeEnd of search list.GNU C17 (GNU Arm Embedded Toolchain 10-2020-q4-major) version 10.2.1 20201103 (release) (arm-none-eabi) compiled by GNU C version 4.8.4, GMP version 6.1.0, MPFR version 3.1.4, MPC version 1.0.3, isl version isl-0.18-GMPGGC heuristics: --param ggc-min-expand=100 --param ggc-min-heapsize=131072Compiler executable checksum: e9addb35ad3a920a846c18a834db924dCOLLECT_GCC_OPTIONS='-mcpu=cortex-m0plus' '-v' '-mfloat-abi=soft' '-mthumb' '-march=armv6s-m' /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/as -v -march=armv6s-m -mfloat-abi=soft -meabi=5 -o /tmp/ccizQoAu.o /tmp/ccWn3kSy.sGNU assembler version 2.35.1 (arm-none-eabi) using BFD version (GNU Arm Embedded Toolchain 10-2020-q4-major) 2.35.1.20201028COMPILER_PATH=/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/:/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/:/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/LIBRARY_PATH=/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/thumb/v6-m/nofp/:/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/lib/thumb/v6-m/nofp/:/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../arm-none-eabi/lib/thumb/v6-m/nofp/:/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/:/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/:/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/lib/:/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../arm-none-eabi/lib/COLLECT_GCC_OPTIONS='-mcpu=cortex-m0plus' '-v' '-mfloat-abi=soft' '-mthumb' '-march=armv6s-m' /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/collect2 -plugin /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/liblto_plugin.so -plugin-opt=/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/lto-wrapper -plugin-opt=-fresolution=/tmp/ccuzQXjx.res -plugin-opt=-pass-through=-lgcc -plugin-opt=-pass-through=-lc --sysroot=/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../arm-none-eabi -X /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/thumb/v6-m/nofp/crti.o /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/thumb/v6-m/nofp/crtbegin.o /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/lib/thumb/v6-m/nofp/crt0.o -L/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/thumb/v6-m/nofp -L/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/lib/thumb/v6-m/nofp -L/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../arm-none-eabi/lib/thumb/v6-m/nofp -L/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1 -L/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc -L/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/lib -L/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../arm-none-eabi/lib /tmp/ccizQoAu.o --start-group -lgcc -lc --end-group /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/thumb/v6-m/nofp/crtend.o /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/thumb/v6-m/nofp/crtn.o/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/ld: /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/lib/thumb/v6-m/nofp/libc.a(lib_a-exit.o): in function `exit':exit.c:(.text.exit+0x18): undefined reference to `_exit'/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/ld: /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/lib/thumb/v6-m/nofp/libc.a(lib_a-sbrkr.o): in function `_sbrk_r':sbrkr.c:(.text._sbrk_r+0xc): undefined reference to `_sbrk'/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/ld: /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/lib/thumb/v6-m/nofp/libc.a(lib_a-writer.o): in function `_write_r':writer.c:(.text._write_r+0x10): undefined reference to `_write'/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/ld: /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/lib/thumb/v6-m/nofp/libc.a(lib_a-closer.o): in function `_close_r':closer.c:(.text._close_r+0xc): undefined reference to `_close'/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/ld: /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/lib/thumb/v6-m/nofp/libc.a(lib_a-lseekr.o): in function `_lseek_r':lseekr.c:(.text._lseek_r+0x10): undefined reference to `_lseek'/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/ld: /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/lib/thumb/v6-m/nofp/libc.a(lib_a-readr.o): in function `_read_r':readr.c:(.text._read_r+0x10): undefined reference to `_read'/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/ld: /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/lib/thumb/v6-m/nofp/libc.a(lib_a-fstatr.o): in function `_fstat_r':fstatr.c:(.text._fstat_r+0xe): undefined reference to `_fstat'/subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/bin/ld: /subo/Tooling/src/team-sweng/cross-compile/cortexm0/gcc-10.2.1_m0/gcc-arm-none-eabi/bin/../lib/gcc/arm-none-eabi/10.2.1/../../../../arm-none-eabi/lib/thumb/v6-m/nofp/libc.a(lib_a-isattyr.o): in function `_isatty_r':isattyr.c:(.text._isatty_r+0xc): undefined reference to `_isatty'collect2: error: ld returned 1 exit statuslocaluser@buildbox:~$