[clang] [CMake][Fuchsia] Include libunwind and libc++abi in baremetal build (PR #100908)

Wed Jul 31 01:48:57 PDT 2024

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `fuchsia-x86_64-linux` running on `fuchsia-debian-64-us-central1-a-1` while building `clang` at step 4 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/11/builds/2659

Here is the relevant piece of the build log for the reference:
```
Step 4 (annotate) failure: 'python ../llvm-zorg/zorg/buildbot/builders/annotated/fuchsia-linux.py ...' (failure)
...
[90/1698] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.inv_trigf_utils.dir/inv_trigf_utils.cpp.obj
[91/1698] Building CXX object libc/src/stdio/baremetal/CMakeFiles/libc.src.stdio.baremetal.putchar.dir/putchar.cpp.obj
[92/1698] Building CXX object libc/src/stdio/baremetal/CMakeFiles/libc.src.stdio.baremetal.puts.dir/puts.cpp.obj
[93/1698] Building CXX object libc/src/stdlib/baremetal/CMakeFiles/libc.src.stdlib.baremetal.abort.dir/abort.cpp.obj
[94/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.memccpy.dir/memccpy.cpp.obj
[95/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.memrchr.dir/memrchr.cpp.obj
[96/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strcmp.dir/strcmp.cpp.obj
[97/1698] Building CXX object libc/src/stdlib/CMakeFiles/libc.src.stdlib.labs.dir/labs.cpp.obj
[98/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.memmem.dir/memmem.cpp.obj
[99/1698] Building CXX object libunwind/src/CMakeFiles/unwind_static_objects.dir/Unwind-seh.cpp.obj
FAILED: libunwind/src/CMakeFiles/unwind_static_objects.dir/Unwind-seh.cpp.obj 
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-a1qojnig/bin/clang++ --target=armv6m-unknown-eabi -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBUNWIND_IS_BAREMETAL -D_LIBUNWIND_LINK_DL_LIB -D_LIBUNWIND_LINK_PTHREAD_LIB -D_LIBUNWIND_REMEMBER_HEAP_ALLOC -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libunwind/include --target=armv6m-unknown-eabi -mthumb -Wno-atomic-alignment "-Dvfprintf(stream, format, vlist)=vprintf(format, vlist)" "-Dfprintf(stream, format, ...)=printf(format)" "-Dtimeval=struct timeval{int tv_sec; int tv_usec;}" "-Dgettimeofday(tv, tz)" -D_LIBCPP_PRINT=1 -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -ffunction-sections -fdata-sections -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-a1qojnig/runtimes/runtimes-armv6m-unknown-eabi-bins=../../../../llvm-project -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/= -no-canonical-prefixes -Oz -DNDEBUG -std=c++17 -Werror=return-type -funwind-tables -nostdinc++ -D_LIBUNWIND_IS_NATIVE_ONLY -D_LIBUNWIND_HAS_NO_THREADS -Wall -Wextra -Wnewline-eof -Wshadow -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type -Wextra-semi -Wundef -Wunused-template -Wformat-nonliteral -Wno-user-defined-literals -Wno-covered-switch-default -Wno-suggest-override -Wno-error -pedantic -fno-rtti  -fstrict-aliasing -fno-exceptions -fno-rtti -MD -MT libunwind/src/CMakeFiles/unwind_static_objects.dir/Unwind-seh.cpp.obj -MF libunwind/src/CMakeFiles/unwind_static_objects.dir/Unwind-seh.cpp.obj.d -o libunwind/src/CMakeFiles/unwind_static_objects.dir/Unwind-seh.cpp.obj -c /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libunwind/src/Unwind-seh.cpp
In file included from /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libunwind/src/Unwind-seh.cpp:13:
/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libunwind/src/config.h:17:10: fatal error: 'stdio.h' file not found
   17 | #include <stdio.h>
      |          ^~~~~~~~~
1 error generated.
[100/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strcoll.dir/strcoll.cpp.obj
[101/1698] Building CXX object libc/src/errno/CMakeFiles/libc.src.errno.errno.dir/libc_errno.cpp.obj
[102/1698] Building CXX object libc/src/ctype/CMakeFiles/libc.src.ctype.isalnum.dir/isalnum.cpp.obj
[103/1698] Building CXX object libc/startup/baremetal/CMakeFiles/libc.startup.baremetal.fini.dir/fini.cpp.obj
[104/1698] Building CXX object libc/src/stdlib/CMakeFiles/libc.src.stdlib.rand_util.dir/rand_util.cpp.obj
[105/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strncpy.dir/strncpy.cpp.obj
[106/1698] Building CXX object libc/startup/baremetal/CMakeFiles/libc.startup.baremetal.init.dir/init.cpp.obj
[107/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strcasecmp.dir/strcasecmp.cpp.obj
[108/1698] Building CXX object libc/src/stdlib/CMakeFiles/libc.src.stdlib.abs.dir/abs.cpp.obj
[109/1698] Building CXX object libc/src/stdlib/CMakeFiles/libc.src.stdlib.llabs.dir/llabs.cpp.obj
[110/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strncmp.dir/strncmp.cpp.obj
[111/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strspn.dir/strspn.cpp.obj
[112/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.feclearexcept.dir/feclearexcept.cpp.obj
[113/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fetestexcept.dir/fetestexcept.cpp.obj
[114/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strncasecmp.dir/strncasecmp.cpp.obj
[115/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.feraiseexcept.dir/feraiseexcept.cpp.obj
[116/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fegetenv.dir/fegetenv.cpp.obj
[117/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fesetround.dir/fesetround.cpp.obj
[118/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fetestexceptflag.dir/fetestexceptflag.cpp.obj
[119/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fegetexceptflag.dir/fegetexceptflag.cpp.obj
[120/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fegetround.dir/fegetround.cpp.obj
[121/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fesetenv.dir/fesetenv.cpp.obj
[122/1698] Building CXX object libc/src/compiler/generic/CMakeFiles/libc.src.compiler.generic.__stack_chk_fail.dir/__stack_chk_fail.cpp.obj
[123/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fesetexcept.dir/fesetexcept.cpp.obj
[124/1698] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.common_constants.dir/common_constants.cpp.obj
[125/1698] Building CXX object libc/src/inttypes/CMakeFiles/libc.src.inttypes.imaxdiv.dir/imaxdiv.cpp.obj
[126/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fesetexceptflag.dir/fesetexceptflag.cpp.obj
[127/1698] Building CXX object libc/src/inttypes/CMakeFiles/libc.src.inttypes.imaxabs.dir/imaxabs.cpp.obj
[128/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fedisableexcept.dir/fedisableexcept.cpp.obj
[129/1698] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_leading_ones_uc.dir/stdc_leading_ones_uc.cpp.obj
[130/1698] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_first_leading_one_ui.dir/stdc_first_leading_one_ui.cpp.obj
[131/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.bcopy.dir/bcopy.cpp.obj
Step 6 (build) failure: build (failure)
...
[90/1698] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.inv_trigf_utils.dir/inv_trigf_utils.cpp.obj
[91/1698] Building CXX object libc/src/stdio/baremetal/CMakeFiles/libc.src.stdio.baremetal.putchar.dir/putchar.cpp.obj
[92/1698] Building CXX object libc/src/stdio/baremetal/CMakeFiles/libc.src.stdio.baremetal.puts.dir/puts.cpp.obj
[93/1698] Building CXX object libc/src/stdlib/baremetal/CMakeFiles/libc.src.stdlib.baremetal.abort.dir/abort.cpp.obj
[94/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.memccpy.dir/memccpy.cpp.obj
[95/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.memrchr.dir/memrchr.cpp.obj
[96/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strcmp.dir/strcmp.cpp.obj
[97/1698] Building CXX object libc/src/stdlib/CMakeFiles/libc.src.stdlib.labs.dir/labs.cpp.obj
[98/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.memmem.dir/memmem.cpp.obj
[99/1698] Building CXX object libunwind/src/CMakeFiles/unwind_static_objects.dir/Unwind-seh.cpp.obj
FAILED: libunwind/src/CMakeFiles/unwind_static_objects.dir/Unwind-seh.cpp.obj 
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-a1qojnig/bin/clang++ --target=armv6m-unknown-eabi -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER -D_LIBUNWIND_IS_BAREMETAL -D_LIBUNWIND_LINK_DL_LIB -D_LIBUNWIND_LINK_PTHREAD_LIB -D_LIBUNWIND_REMEMBER_HEAP_ALLOC -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libunwind/include --target=armv6m-unknown-eabi -mthumb -Wno-atomic-alignment "-Dvfprintf(stream, format, vlist)=vprintf(format, vlist)" "-Dfprintf(stream, format, ...)=printf(format)" "-Dtimeval=struct timeval{int tv_sec; int tv_usec;}" "-Dgettimeofday(tv, tz)" -D_LIBCPP_PRINT=1 -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Werror=unguarded-availability-new -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wmissing-field-initializers -Wimplicit-fallthrough -Wcovered-switch-default -Wno-noexcept-type -Wnon-virtual-dtor -Wdelete-non-virtual-dtor -Wsuggest-override -Wstring-conversion -Wmisleading-indentation -Wctad-maybe-unsupported -ffunction-sections -fdata-sections -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-a1qojnig/runtimes/runtimes-armv6m-unknown-eabi-bins=../../../../llvm-project -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/= -no-canonical-prefixes -Oz -DNDEBUG -std=c++17 -Werror=return-type -funwind-tables -nostdinc++ -D_LIBUNWIND_IS_NATIVE_ONLY -D_LIBUNWIND_HAS_NO_THREADS -Wall -Wextra -Wnewline-eof -Wshadow -Wwrite-strings -Wno-unused-parameter -Wno-long-long -Werror=return-type -Wextra-semi -Wundef -Wunused-template -Wformat-nonliteral -Wno-user-defined-literals -Wno-covered-switch-default -Wno-suggest-override -Wno-error -pedantic -fno-rtti  -fstrict-aliasing -fno-exceptions -fno-rtti -MD -MT libunwind/src/CMakeFiles/unwind_static_objects.dir/Unwind-seh.cpp.obj -MF libunwind/src/CMakeFiles/unwind_static_objects.dir/Unwind-seh.cpp.obj.d -o libunwind/src/CMakeFiles/unwind_static_objects.dir/Unwind-seh.cpp.obj -c /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libunwind/src/Unwind-seh.cpp
In file included from /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libunwind/src/Unwind-seh.cpp:13:
/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libunwind/src/config.h:17:10: fatal error: 'stdio.h' file not found
   17 | #include <stdio.h>
      |          ^~~~~~~~~
1 error generated.
[100/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strcoll.dir/strcoll.cpp.obj
[101/1698] Building CXX object libc/src/errno/CMakeFiles/libc.src.errno.errno.dir/libc_errno.cpp.obj
[102/1698] Building CXX object libc/src/ctype/CMakeFiles/libc.src.ctype.isalnum.dir/isalnum.cpp.obj
[103/1698] Building CXX object libc/startup/baremetal/CMakeFiles/libc.startup.baremetal.fini.dir/fini.cpp.obj
[104/1698] Building CXX object libc/src/stdlib/CMakeFiles/libc.src.stdlib.rand_util.dir/rand_util.cpp.obj
[105/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strncpy.dir/strncpy.cpp.obj
[106/1698] Building CXX object libc/startup/baremetal/CMakeFiles/libc.startup.baremetal.init.dir/init.cpp.obj
[107/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strcasecmp.dir/strcasecmp.cpp.obj
[108/1698] Building CXX object libc/src/stdlib/CMakeFiles/libc.src.stdlib.abs.dir/abs.cpp.obj
[109/1698] Building CXX object libc/src/stdlib/CMakeFiles/libc.src.stdlib.llabs.dir/llabs.cpp.obj
[110/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strncmp.dir/strncmp.cpp.obj
[111/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strspn.dir/strspn.cpp.obj
[112/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.feclearexcept.dir/feclearexcept.cpp.obj
[113/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fetestexcept.dir/fetestexcept.cpp.obj
[114/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strncasecmp.dir/strncasecmp.cpp.obj
[115/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.feraiseexcept.dir/feraiseexcept.cpp.obj
[116/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fegetenv.dir/fegetenv.cpp.obj
[117/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fesetround.dir/fesetround.cpp.obj
[118/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fetestexceptflag.dir/fetestexceptflag.cpp.obj
[119/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fegetexceptflag.dir/fegetexceptflag.cpp.obj
[120/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fegetround.dir/fegetround.cpp.obj
[121/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fesetenv.dir/fesetenv.cpp.obj
[122/1698] Building CXX object libc/src/compiler/generic/CMakeFiles/libc.src.compiler.generic.__stack_chk_fail.dir/__stack_chk_fail.cpp.obj
[123/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fesetexcept.dir/fesetexcept.cpp.obj
[124/1698] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.common_constants.dir/common_constants.cpp.obj
[125/1698] Building CXX object libc/src/inttypes/CMakeFiles/libc.src.inttypes.imaxdiv.dir/imaxdiv.cpp.obj
[126/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fesetexceptflag.dir/fesetexceptflag.cpp.obj
[127/1698] Building CXX object libc/src/inttypes/CMakeFiles/libc.src.inttypes.imaxabs.dir/imaxabs.cpp.obj
[128/1698] Building CXX object libc/src/fenv/CMakeFiles/libc.src.fenv.fedisableexcept.dir/fedisableexcept.cpp.obj
[129/1698] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_leading_ones_uc.dir/stdc_leading_ones_uc.cpp.obj
[130/1698] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_first_leading_one_ui.dir/stdc_first_leading_one_ui.cpp.obj
[131/1698] Building CXX object libc/src/string/CMakeFiles/libc.src.string.bcopy.dir/bcopy.cpp.obj

```

https://github.com/llvm/llvm-project/pull/100908