[libc-commits] [libc] [libc] Remove src/errno/errno.h (PR #98759)
LLVM Continuous Integration via libc-commits
libc-commits at lists.llvm.org
Sat Jul 13 11:35:51 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 `libc` at step 4 "annotate".
Full details are available at: https://lab.llvm.org/buildbot/#/builders/11/builds/1655
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)
...
[157/1632] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_trailing_zeros_ui.dir/stdc_trailing_zeros_ui.cpp.obj
[158/1632] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_trailing_zeros_ull.dir/stdc_trailing_zeros_ull.cpp.obj
[159/1632] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strcasestr.dir/strcasestr.cpp.obj
[160/1632] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strstr.dir/strstr.cpp.obj
[161/1632] Building CXX object libc/src/string/CMakeFiles/libc.src.string.index.dir/index.cpp.obj
[162/1632] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_trailing_ones_uc.dir/stdc_trailing_ones_uc.cpp.obj
[163/1632] Building CXX object libc/src/inttypes/CMakeFiles/libc.src.inttypes.strtoumax.dir/strtoumax.cpp.obj
[164/1632] Building CXX object libc/src/assert/generic/CMakeFiles/libc.src.assert.generic.__assert_fail.dir/__assert_fail.cpp.obj
[165/1632] Building CXX object libc/src/inttypes/CMakeFiles/libc.src.inttypes.strtoimax.dir/strtoimax.cpp.obj
[166/1632] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.cosf.dir/cosf.cpp.obj
FAILED: libc/src/math/generic/CMakeFiles/libc.src.math.generic.cosf.dir/cosf.cpp.obj
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/bin/clang++ --target=armv7m-unknown-eabi -DLIBC_NAMESPACE=__llvm_libc_19_0_0_git -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc -isystem /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/include/armv7m-unknown-unknown-eabi --target=armv7m-unknown-eabi -mthumb -Wno-atomic-alignment -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-lf6fwbhp/runtimes/runtimes-armv7m-unknown-eabi-bins=../../../../llvm-project -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/= -no-canonical-prefixes -O2 -g -DNDEBUG -std=gnu++17 --target=armv7m-unknown-eabi -fpie -ffreestanding -DLIBC_FULL_BUILD -nostdlibinc -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -O3 -DLIBC_COPT_PUBLIC_PACKAGING -MD -MT libc/src/math/generic/CMakeFiles/libc.src.math.generic.cosf.dir/cosf.cpp.obj -MF libc/src/math/generic/CMakeFiles/libc.src.math.generic.cosf.dir/cosf.cpp.obj.d -o libc/src/math/generic/CMakeFiles/libc.src.math.generic.cosf.dir/cosf.cpp.obj -c /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/cosf.cpp
In file included from /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/cosf.cpp:21:
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/include/armv7m-unknown-unknown-eabi/errno.h:30:6: error: exception specification in declaration does not match previous declaration
30 | int *__llvm_libc_errno(void) __NOEXCEPT;
| ^
/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/errno/libc_errno.h:36:17: note: previous declaration is here
36 | extern "C" int *__llvm_libc_errno();
| ^
1 error generated.
[167/1632] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.sincosf.dir/sincosf.cpp.obj
FAILED: libc/src/math/generic/CMakeFiles/libc.src.math.generic.sincosf.dir/sincosf.cpp.obj
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/bin/clang++ --target=armv7m-unknown-eabi -DLIBC_NAMESPACE=__llvm_libc_19_0_0_git -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc -isystem /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/include/armv7m-unknown-unknown-eabi --target=armv7m-unknown-eabi -mthumb -Wno-atomic-alignment -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-lf6fwbhp/runtimes/runtimes-armv7m-unknown-eabi-bins=../../../../llvm-project -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/= -no-canonical-prefixes -O2 -g -DNDEBUG -std=gnu++17 --target=armv7m-unknown-eabi -fpie -ffreestanding -DLIBC_FULL_BUILD -nostdlibinc -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -O3 -DLIBC_COPT_PUBLIC_PACKAGING -MD -MT libc/src/math/generic/CMakeFiles/libc.src.math.generic.sincosf.dir/sincosf.cpp.obj -MF libc/src/math/generic/CMakeFiles/libc.src.math.generic.sincosf.dir/sincosf.cpp.obj.d -o libc/src/math/generic/CMakeFiles/libc.src.math.generic.sincosf.dir/sincosf.cpp.obj -c /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/sincosf.cpp
In file included from /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/sincosf.cpp:20:
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/include/armv7m-unknown-unknown-eabi/errno.h:30:6: error: exception specification in declaration does not match previous declaration
30 | int *__llvm_libc_errno(void) __NOEXCEPT;
| ^
/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/errno/libc_errno.h:36:17: note: previous declaration is here
36 | extern "C" int *__llvm_libc_errno();
| ^
1 error generated.
[168/1632] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.ceill.dir/ceill.cpp.obj
[169/1632] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.sinf.dir/sinf.cpp.obj
FAILED: libc/src/math/generic/CMakeFiles/libc.src.math.generic.sinf.dir/sinf.cpp.obj
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/bin/clang++ --target=armv7m-unknown-eabi -DLIBC_NAMESPACE=__llvm_libc_19_0_0_git -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc -isystem /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/include/armv7m-unknown-unknown-eabi --target=armv7m-unknown-eabi -mthumb -Wno-atomic-alignment -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-lf6fwbhp/runtimes/runtimes-armv7m-unknown-eabi-bins=../../../../llvm-project -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/= -no-canonical-prefixes -O2 -g -DNDEBUG -std=gnu++17 --target=armv7m-unknown-eabi -fpie -ffreestanding -DLIBC_FULL_BUILD -nostdlibinc -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -O3 -DLIBC_COPT_PUBLIC_PACKAGING -MD -MT libc/src/math/generic/CMakeFiles/libc.src.math.generic.sinf.dir/sinf.cpp.obj -MF libc/src/math/generic/CMakeFiles/libc.src.math.generic.sinf.dir/sinf.cpp.obj.d -o libc/src/math/generic/CMakeFiles/libc.src.math.generic.sinf.dir/sinf.cpp.obj -c /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/sinf.cpp
In file included from /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/sinf.cpp:22:
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/include/armv7m-unknown-unknown-eabi/errno.h:30:6: error: exception specification in declaration does not match previous declaration
30 | int *__llvm_libc_errno(void) __NOEXCEPT;
| ^
/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/errno/libc_errno.h:36:17: note: previous declaration is here
36 | extern "C" int *__llvm_libc_errno();
| ^
1 error generated.
[170/1632] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.canonicalizef.dir/canonicalizef.cpp.obj
[171/1632] Building CXX object libc/src/__support/StringUtil/CMakeFiles/libc.src.__support.StringUtil.error_to_string.dir/error_to_string.cpp.obj
[172/1632] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.tanf.dir/tanf.cpp.obj
FAILED: libc/src/math/generic/CMakeFiles/libc.src.math.generic.tanf.dir/tanf.cpp.obj
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/bin/clang++ --target=armv7m-unknown-eabi -DLIBC_NAMESPACE=__llvm_libc_19_0_0_git -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc -isystem /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/include/armv7m-unknown-unknown-eabi --target=armv7m-unknown-eabi -mthumb -Wno-atomic-alignment -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-lf6fwbhp/runtimes/runtimes-armv7m-unknown-eabi-bins=../../../../llvm-project -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/= -no-canonical-prefixes -O2 -g -DNDEBUG -std=gnu++17 --target=armv7m-unknown-eabi -fpie -ffreestanding -DLIBC_FULL_BUILD -nostdlibinc -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -O3 -DLIBC_COPT_PUBLIC_PACKAGING -MD -MT libc/src/math/generic/CMakeFiles/libc.src.math.generic.tanf.dir/tanf.cpp.obj -MF libc/src/math/generic/CMakeFiles/libc.src.math.generic.tanf.dir/tanf.cpp.obj.d -o libc/src/math/generic/CMakeFiles/libc.src.math.generic.tanf.dir/tanf.cpp.obj -c /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/tanf.cpp
In file included from /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/tanf.cpp:22:
Step 6 (build) failure: build (failure)
...
[157/1632] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_trailing_zeros_ui.dir/stdc_trailing_zeros_ui.cpp.obj
[158/1632] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_trailing_zeros_ull.dir/stdc_trailing_zeros_ull.cpp.obj
[159/1632] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strcasestr.dir/strcasestr.cpp.obj
[160/1632] Building CXX object libc/src/string/CMakeFiles/libc.src.string.strstr.dir/strstr.cpp.obj
[161/1632] Building CXX object libc/src/string/CMakeFiles/libc.src.string.index.dir/index.cpp.obj
[162/1632] Building CXX object libc/src/stdbit/CMakeFiles/libc.src.stdbit.stdc_trailing_ones_uc.dir/stdc_trailing_ones_uc.cpp.obj
[163/1632] Building CXX object libc/src/inttypes/CMakeFiles/libc.src.inttypes.strtoumax.dir/strtoumax.cpp.obj
[164/1632] Building CXX object libc/src/assert/generic/CMakeFiles/libc.src.assert.generic.__assert_fail.dir/__assert_fail.cpp.obj
[165/1632] Building CXX object libc/src/inttypes/CMakeFiles/libc.src.inttypes.strtoimax.dir/strtoimax.cpp.obj
[166/1632] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.cosf.dir/cosf.cpp.obj
FAILED: libc/src/math/generic/CMakeFiles/libc.src.math.generic.cosf.dir/cosf.cpp.obj
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/bin/clang++ --target=armv7m-unknown-eabi -DLIBC_NAMESPACE=__llvm_libc_19_0_0_git -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc -isystem /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/include/armv7m-unknown-unknown-eabi --target=armv7m-unknown-eabi -mthumb -Wno-atomic-alignment -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-lf6fwbhp/runtimes/runtimes-armv7m-unknown-eabi-bins=../../../../llvm-project -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/= -no-canonical-prefixes -O2 -g -DNDEBUG -std=gnu++17 --target=armv7m-unknown-eabi -fpie -ffreestanding -DLIBC_FULL_BUILD -nostdlibinc -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -O3 -DLIBC_COPT_PUBLIC_PACKAGING -MD -MT libc/src/math/generic/CMakeFiles/libc.src.math.generic.cosf.dir/cosf.cpp.obj -MF libc/src/math/generic/CMakeFiles/libc.src.math.generic.cosf.dir/cosf.cpp.obj.d -o libc/src/math/generic/CMakeFiles/libc.src.math.generic.cosf.dir/cosf.cpp.obj -c /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/cosf.cpp
In file included from /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/cosf.cpp:21:
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/include/armv7m-unknown-unknown-eabi/errno.h:30:6: error: exception specification in declaration does not match previous declaration
30 | int *__llvm_libc_errno(void) __NOEXCEPT;
| ^
/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/errno/libc_errno.h:36:17: note: previous declaration is here
36 | extern "C" int *__llvm_libc_errno();
| ^
1 error generated.
[167/1632] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.sincosf.dir/sincosf.cpp.obj
FAILED: libc/src/math/generic/CMakeFiles/libc.src.math.generic.sincosf.dir/sincosf.cpp.obj
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/bin/clang++ --target=armv7m-unknown-eabi -DLIBC_NAMESPACE=__llvm_libc_19_0_0_git -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc -isystem /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/include/armv7m-unknown-unknown-eabi --target=armv7m-unknown-eabi -mthumb -Wno-atomic-alignment -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-lf6fwbhp/runtimes/runtimes-armv7m-unknown-eabi-bins=../../../../llvm-project -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/= -no-canonical-prefixes -O2 -g -DNDEBUG -std=gnu++17 --target=armv7m-unknown-eabi -fpie -ffreestanding -DLIBC_FULL_BUILD -nostdlibinc -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -O3 -DLIBC_COPT_PUBLIC_PACKAGING -MD -MT libc/src/math/generic/CMakeFiles/libc.src.math.generic.sincosf.dir/sincosf.cpp.obj -MF libc/src/math/generic/CMakeFiles/libc.src.math.generic.sincosf.dir/sincosf.cpp.obj.d -o libc/src/math/generic/CMakeFiles/libc.src.math.generic.sincosf.dir/sincosf.cpp.obj -c /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/sincosf.cpp
In file included from /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/sincosf.cpp:20:
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/include/armv7m-unknown-unknown-eabi/errno.h:30:6: error: exception specification in declaration does not match previous declaration
30 | int *__llvm_libc_errno(void) __NOEXCEPT;
| ^
/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/errno/libc_errno.h:36:17: note: previous declaration is here
36 | extern "C" int *__llvm_libc_errno();
| ^
1 error generated.
[168/1632] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.ceill.dir/ceill.cpp.obj
[169/1632] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.sinf.dir/sinf.cpp.obj
FAILED: libc/src/math/generic/CMakeFiles/libc.src.math.generic.sinf.dir/sinf.cpp.obj
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/bin/clang++ --target=armv7m-unknown-eabi -DLIBC_NAMESPACE=__llvm_libc_19_0_0_git -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc -isystem /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/include/armv7m-unknown-unknown-eabi --target=armv7m-unknown-eabi -mthumb -Wno-atomic-alignment -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-lf6fwbhp/runtimes/runtimes-armv7m-unknown-eabi-bins=../../../../llvm-project -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/= -no-canonical-prefixes -O2 -g -DNDEBUG -std=gnu++17 --target=armv7m-unknown-eabi -fpie -ffreestanding -DLIBC_FULL_BUILD -nostdlibinc -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -O3 -DLIBC_COPT_PUBLIC_PACKAGING -MD -MT libc/src/math/generic/CMakeFiles/libc.src.math.generic.sinf.dir/sinf.cpp.obj -MF libc/src/math/generic/CMakeFiles/libc.src.math.generic.sinf.dir/sinf.cpp.obj.d -o libc/src/math/generic/CMakeFiles/libc.src.math.generic.sinf.dir/sinf.cpp.obj -c /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/sinf.cpp
In file included from /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/sinf.cpp:22:
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/include/armv7m-unknown-unknown-eabi/errno.h:30:6: error: exception specification in declaration does not match previous declaration
30 | int *__llvm_libc_errno(void) __NOEXCEPT;
| ^
/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/errno/libc_errno.h:36:17: note: previous declaration is here
36 | extern "C" int *__llvm_libc_errno();
| ^
1 error generated.
[170/1632] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.canonicalizef.dir/canonicalizef.cpp.obj
[171/1632] Building CXX object libc/src/__support/StringUtil/CMakeFiles/libc.src.__support.StringUtil.error_to_string.dir/error_to_string.cpp.obj
[172/1632] Building CXX object libc/src/math/generic/CMakeFiles/libc.src.math.generic.tanf.dir/tanf.cpp.obj
FAILED: libc/src/math/generic/CMakeFiles/libc.src.math.generic.tanf.dir/tanf.cpp.obj
/var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/bin/clang++ --target=armv7m-unknown-eabi -DLIBC_NAMESPACE=__llvm_libc_19_0_0_git -I/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc -isystem /var/lib/buildbot/fuchsia-x86_64-linux/build/llvm-build-lf6fwbhp/include/armv7m-unknown-unknown-eabi --target=armv7m-unknown-eabi -mthumb -Wno-atomic-alignment -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-lf6fwbhp/runtimes/runtimes-armv7m-unknown-eabi-bins=../../../../llvm-project -ffile-prefix-map=/var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/= -no-canonical-prefixes -O2 -g -DNDEBUG -std=gnu++17 --target=armv7m-unknown-eabi -fpie -ffreestanding -DLIBC_FULL_BUILD -nostdlibinc -ffixed-point -fno-builtin -fno-exceptions -fno-lax-vector-conversions -fno-unwind-tables -fno-asynchronous-unwind-tables -fno-rtti -ftrivial-auto-var-init=pattern -fno-omit-frame-pointer -Wall -Wextra -Werror -Wconversion -Wno-sign-conversion -Wimplicit-fallthrough -Wwrite-strings -Wextra-semi -Wnewline-eof -Wnonportable-system-include-path -Wstrict-prototypes -Wthread-safety -Wglobal-constructors -O3 -DLIBC_COPT_PUBLIC_PACKAGING -MD -MT libc/src/math/generic/CMakeFiles/libc.src.math.generic.tanf.dir/tanf.cpp.obj -MF libc/src/math/generic/CMakeFiles/libc.src.math.generic.tanf.dir/tanf.cpp.obj.d -o libc/src/math/generic/CMakeFiles/libc.src.math.generic.tanf.dir/tanf.cpp.obj -c /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/tanf.cpp
In file included from /var/lib/buildbot/fuchsia-x86_64-linux/llvm-project/libc/src/math/generic/tanf.cpp:22:
```
https://github.com/llvm/llvm-project/pull/98759
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