[14.1] compilation errors on Linux
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ClearScript Developers
Oct 14, 2025, 1:42:29 PM (5 days ago) Oct 14
to v8-dev
Greetings!
While building the 14.1 branch tip on Linux, we're seeing compilation errors. Our configuration:
fatal_linker_warnings = false
is_cfi = false
is_component_build = false
is_debug = false
target_cpu = "x64"
use_custom_libcxx = false
use_thin_lto = false
v8_enable_fuzztest = false
v8_enable_pointer_compression = false
v8_enable_31bit_smis_on_64bit_arch = false
v8_enable_temporal_support = false
v8_monolithic = true
v8_use_external_startup_data = false
v8_target_cpu = "x64"
is_cfi = false
is_component_build = false
is_debug = false
target_cpu = "x64"
use_custom_libcxx = false
use_thin_lto = false
v8_enable_fuzztest = false
v8_enable_pointer_compression = false
v8_enable_31bit_smis_on_64bit_arch = false
v8_enable_temporal_support = false
v8_monolithic = true
v8_use_external_startup_data = false
v8_target_cpu = "x64"
The errors:
FAILED: obj/build/modules/linux-x64/std_core/module.pcm
../../../third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/build/modules/linux-x64/std_core/module.pcm.d -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_GNU_SOURCE -DCR_CLANG_REVISION=\"llvmorg-21-init-16348-gbd809ffb-17\" -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -D_GLIBCXX_ASSERTIONS=1 -DCR_SYSROOT_KEY=20250129T203412Z-1 -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_OZONE=1 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -D_LIBCPP_BUILDING_LIBRARY -I../../.. -Igen -fno-implicit-module-maps -fno-delete-null-pointer-checks -fno-strict-overflow -fno-ident -fno-math-errno -fno-strict-aliasing -fstack-protector -funwind-tables -fPIC -pthread -fcolor-diagnostics -fmerge-all-constants -fno-sized-deallocation -fcrash-diagnostics-dir=../../../tools/clang/crashreports -mllvm -instcombine-lower-dbg-declare=0 -mllvm -split-threshold-for-reg-with-hint=0 -ffp-contract=off -Wa,--crel,--allow-experimental-crel --target=x86_64-unknown-linux-gnu -msse3 -Wno-builtin-macro-redefined -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -ffile-compilation-dir=. -no-canonical-prefixes -Xclang -fmodule-file-home-is-cwd -ftrivial-auto-var-init=pattern -O2 -fdata-sections -ffunction-sections -fno-unique-section-names -fno-omit-frame-pointer -g0 -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -Xclang -add-plugin -Xclang find-bad-constructs -Xclang -plugin-arg-find-bad-constructs -Xclang check-stack-allocated -Xclang -plugin-arg-find-bad-constructs -Xclang check-ipc -Xclang -add-plugin -Xclang raw-ptr-plugin -Xclang -plugin-arg-raw-ptr-plugin -Xclang check-raw-ptr-to-stack-allocated -Xclang -plugin-arg-raw-ptr-plugin -Xclang disable-check-raw-ptr-to-stack-allocated-error -Xclang -plugin-arg-raw-ptr-plugin -Xclang raw-ptr-exclude-path=../../../third_party/dawn/ -Xclang -plugin-arg-raw-ptr-plugin -Xclang raw-ptr-exclude-path=../../../build/config/clang/chrome/test/fuzzing/webidl_fuzzing/ -fstrict-aliasing -Wundef -fPIC -Wall -Wno-unused-variable -Wno-c++11-narrowing -Wno-unused-but-set-variable -Wno-missing-field-initializers -Wno-unused-parameter -Wno-psabi -Wloop-analysis -Wno-unneeded-internal-declaration -Wno-cast-function-type -Wno-thread-safety-reference-return -Wno-nontrivial-memcall -Werror -Wno-exit-time-destructors -std=c++20 -Wno-trigraphs -gsimple-template-names -fno-exceptions -fno-rtti --sysroot=../../../build/linux/debian_bullseye_amd64-sysroot -fvisibility-inlines-hidden -fbuiltin-module-map -fmodule-map-file=gen/third_party/libc++/src/include/module.modulemap -fmodule-map-file=../../../build/modules/linux-x64/module.modulemap -std=c++20 -Wno-invalid-offsetof -Wenum-compare-conditional -Wno-nullability-completeness -fmodule-map-file=gen/third_party/libc++/src/include/module.modulemap -fbuiltin-module-map -fmodule-map-file=../../../build/modules/linux-x64/module.modulemap -fmodule-file=obj/build/modules/linux-x64/_Builtin_stdarg/module.pcm -fmodule-file=obj/build/modules/linux-x64/_Builtin_stddef/module.pcm -fmodule-file=obj/build/modules/linux-x64/_Builtin_stdint/module.pcm -fmodule-file=obj/build/modules/linux-x64/sys_stage1/module.pcm -fmodule-name=std_core -c -x c++ -Xclang -emit-module gen/third_party/libc++/src/include/module.modulemap -o obj/build/modules/linux-x64/std_core/module.pcm
While building module 'std_core':
In file included from <module-includes>:1:
gen/third_party/libc++/src/include/__cstddef/byte.h:12:10: fatal error: '__config' file not found
12 | #include <__config>
| ^~~~~~~~~~
1 error generated.
[1116/3269] CXX_MODULE obj/build/modules/linux-x64/std_ctype_h/module.pcm
FAILED: obj/build/modules/linux-x64/std_ctype_h/module.pcm
../../../third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/build/modules/linux-x64/std_ctype_h/module.pcm.d -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_GNU_SOURCE -DCR_CLANG_REVISION=\"llvmorg-21-init-16348-gbd809ffb-17\" -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -D_GLIBCXX_ASSERTIONS=1 -DCR_SYSROOT_KEY=20250129T203412Z-1 -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_OZONE=1 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -D_LIBCPP_BUILDING_LIBRARY -I../../.. -Igen -fno-implicit-module-maps -fno-delete-null-pointer-checks -fno-strict-overflow -fno-ident -fno-math-errno -fno-strict-aliasing -fstack-protector -funwind-tables -fPIC -pthread -fcolor-diagnostics -fmerge-all-constants -fno-sized-deallocation -fcrash-diagnostics-dir=../../../tools/clang/crashreports -mllvm -instcombine-lower-dbg-declare=0 -mllvm -split-threshold-for-reg-with-hint=0 -ffp-contract=off -Wa,--crel,--allow-experimental-crel --target=x86_64-unknown-linux-gnu -msse3 -Wno-builtin-macro-redefined -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -ffile-compilation-dir=. -no-canonical-prefixes -Xclang -fmodule-file-home-is-cwd -ftrivial-auto-var-init=pattern -O2 -fdata-sections -ffunction-sections -fno-unique-section-names -fno-omit-frame-pointer -g0 -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -Xclang -add-plugin -Xclang find-bad-constructs -Xclang -plugin-arg-find-bad-constructs -Xclang check-stack-allocated -Xclang -plugin-arg-find-bad-constructs -Xclang check-ipc -Xclang -add-plugin -Xclang raw-ptr-plugin -Xclang -plugin-arg-raw-ptr-plugin -Xclang check-raw-ptr-to-stack-allocated -Xclang -plugin-arg-raw-ptr-plugin -Xclang disable-check-raw-ptr-to-stack-allocated-error -Xclang -plugin-arg-raw-ptr-plugin -Xclang raw-ptr-exclude-path=../../../third_party/dawn/ -Xclang -plugin-arg-raw-ptr-plugin -Xclang raw-ptr-exclude-path=../../../build/config/clang/chrome/test/fuzzing/webidl_fuzzing/ -fstrict-aliasing -Wundef -fPIC -Wall -Wno-unused-variable -Wno-c++11-narrowing -Wno-unused-but-set-variable -Wno-missing-field-initializers -Wno-unused-parameter -Wno-psabi -Wloop-analysis -Wno-unneeded-internal-declaration -Wno-cast-function-type -Wno-thread-safety-reference-return -Wno-nontrivial-memcall -Werror -Wno-exit-time-destructors -std=c++20 -Wno-trigraphs -gsimple-template-names -fno-exceptions -fno-rtti --sysroot=../../../build/linux/debian_bullseye_amd64-sysroot -fvisibility-inlines-hidden -fbuiltin-module-map -fmodule-map-file=gen/third_party/libc++/src/include/module.modulemap -fmodule-map-file=../../../build/modules/linux-x64/module.modulemap -std=c++20 -Wno-invalid-offsetof -Wenum-compare-conditional -Wno-nullability-completeness -fmodule-map-file=gen/third_party/libc++/src/include/module.modulemap -fmodule-map-file=../../../build/modules/linux-x64/module.modulemap -fbuiltin-module-map -fmodule-file=obj/build/modules/linux-x64/_Builtin_stdarg/module.pcm -fmodule-file=obj/build/modules/linux-x64/_Builtin_stddef/module.pcm -fmodule-file=obj/build/modules/linux-x64/sys_stage1/module.pcm -fmodule-name=std_ctype_h -c -x c++ -Xclang -emit-module gen/third_party/libc++/src/include/module.modulemap -o obj/build/modules/linux-x64/std_ctype_h/module.pcm
While building module 'std_ctype_h':
In file included from <module-includes>:1:
gen/third_party/libc++/src/include/ctype.h:35:12: error: '__config' file not found with <angled> include; use "quotes" instead
35 | # include <__config>
| ^
While building module 'std_ctype_h':
In file included from <module-includes>:1:
In file included from gen/third_party/libc++/src/include/ctype.h:35:
gen/third_party/libc++/src/include/__config:13:10: error: '__config_site' file not found with <angled> include; use "quotes" instead
13 | #include <__config_site>
| ^
gen/third_party/libc++/src/include/__config:14:10: error: '__configuration/abi.h' file not found with <angled> include; use "quotes" instead
14 | #include <__configuration/abi.h>
| ^
While building module 'std_ctype_h':
In file included from <module-includes>:1:
In file included from gen/third_party/libc++/src/include/ctype.h:35:
In file included from gen/third_party/libc++/src/include/__config:14:
gen/third_party/libc++/src/include/__configuration/abi.h:13:10: fatal error: '__config_site' file not found
13 | #include <__config_site>
| ^~~~~~~~~~~~~~~
4 errors generated.
../../../third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/build/modules/linux-x64/std_core/module.pcm.d -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_GNU_SOURCE -DCR_CLANG_REVISION=\"llvmorg-21-init-16348-gbd809ffb-17\" -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -D_GLIBCXX_ASSERTIONS=1 -DCR_SYSROOT_KEY=20250129T203412Z-1 -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_OZONE=1 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -D_LIBCPP_BUILDING_LIBRARY -I../../.. -Igen -fno-implicit-module-maps -fno-delete-null-pointer-checks -fno-strict-overflow -fno-ident -fno-math-errno -fno-strict-aliasing -fstack-protector -funwind-tables -fPIC -pthread -fcolor-diagnostics -fmerge-all-constants -fno-sized-deallocation -fcrash-diagnostics-dir=../../../tools/clang/crashreports -mllvm -instcombine-lower-dbg-declare=0 -mllvm -split-threshold-for-reg-with-hint=0 -ffp-contract=off -Wa,--crel,--allow-experimental-crel --target=x86_64-unknown-linux-gnu -msse3 -Wno-builtin-macro-redefined -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -ffile-compilation-dir=. -no-canonical-prefixes -Xclang -fmodule-file-home-is-cwd -ftrivial-auto-var-init=pattern -O2 -fdata-sections -ffunction-sections -fno-unique-section-names -fno-omit-frame-pointer -g0 -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -Xclang -add-plugin -Xclang find-bad-constructs -Xclang -plugin-arg-find-bad-constructs -Xclang check-stack-allocated -Xclang -plugin-arg-find-bad-constructs -Xclang check-ipc -Xclang -add-plugin -Xclang raw-ptr-plugin -Xclang -plugin-arg-raw-ptr-plugin -Xclang check-raw-ptr-to-stack-allocated -Xclang -plugin-arg-raw-ptr-plugin -Xclang disable-check-raw-ptr-to-stack-allocated-error -Xclang -plugin-arg-raw-ptr-plugin -Xclang raw-ptr-exclude-path=../../../third_party/dawn/ -Xclang -plugin-arg-raw-ptr-plugin -Xclang raw-ptr-exclude-path=../../../build/config/clang/chrome/test/fuzzing/webidl_fuzzing/ -fstrict-aliasing -Wundef -fPIC -Wall -Wno-unused-variable -Wno-c++11-narrowing -Wno-unused-but-set-variable -Wno-missing-field-initializers -Wno-unused-parameter -Wno-psabi -Wloop-analysis -Wno-unneeded-internal-declaration -Wno-cast-function-type -Wno-thread-safety-reference-return -Wno-nontrivial-memcall -Werror -Wno-exit-time-destructors -std=c++20 -Wno-trigraphs -gsimple-template-names -fno-exceptions -fno-rtti --sysroot=../../../build/linux/debian_bullseye_amd64-sysroot -fvisibility-inlines-hidden -fbuiltin-module-map -fmodule-map-file=gen/third_party/libc++/src/include/module.modulemap -fmodule-map-file=../../../build/modules/linux-x64/module.modulemap -std=c++20 -Wno-invalid-offsetof -Wenum-compare-conditional -Wno-nullability-completeness -fmodule-map-file=gen/third_party/libc++/src/include/module.modulemap -fbuiltin-module-map -fmodule-map-file=../../../build/modules/linux-x64/module.modulemap -fmodule-file=obj/build/modules/linux-x64/_Builtin_stdarg/module.pcm -fmodule-file=obj/build/modules/linux-x64/_Builtin_stddef/module.pcm -fmodule-file=obj/build/modules/linux-x64/_Builtin_stdint/module.pcm -fmodule-file=obj/build/modules/linux-x64/sys_stage1/module.pcm -fmodule-name=std_core -c -x c++ -Xclang -emit-module gen/third_party/libc++/src/include/module.modulemap -o obj/build/modules/linux-x64/std_core/module.pcm
While building module 'std_core':
In file included from <module-includes>:1:
gen/third_party/libc++/src/include/__cstddef/byte.h:12:10: fatal error: '__config' file not found
12 | #include <__config>
| ^~~~~~~~~~
1 error generated.
[1116/3269] CXX_MODULE obj/build/modules/linux-x64/std_ctype_h/module.pcm
FAILED: obj/build/modules/linux-x64/std_ctype_h/module.pcm
../../../third_party/llvm-build/Release+Asserts/bin/clang++ -MMD -MF obj/build/modules/linux-x64/std_ctype_h/module.pcm.d -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_GNU_SOURCE -DCR_CLANG_REVISION=\"llvmorg-21-init-16348-gbd809ffb-17\" -D_LIBCPP_HARDENING_MODE=_LIBCPP_HARDENING_MODE_NONE -D_GLIBCXX_ASSERTIONS=1 -DCR_SYSROOT_KEY=20250129T203412Z-1 -DUSE_UDEV -DUSE_AURA=1 -DUSE_GLIB=1 -DUSE_OZONE=1 -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 -D_LIBCPP_BUILDING_LIBRARY -I../../.. -Igen -fno-implicit-module-maps -fno-delete-null-pointer-checks -fno-strict-overflow -fno-ident -fno-math-errno -fno-strict-aliasing -fstack-protector -funwind-tables -fPIC -pthread -fcolor-diagnostics -fmerge-all-constants -fno-sized-deallocation -fcrash-diagnostics-dir=../../../tools/clang/crashreports -mllvm -instcombine-lower-dbg-declare=0 -mllvm -split-threshold-for-reg-with-hint=0 -ffp-contract=off -Wa,--crel,--allow-experimental-crel --target=x86_64-unknown-linux-gnu -msse3 -Wno-builtin-macro-redefined -D__DATE__= -D__TIME__= -D__TIMESTAMP__= -ffile-compilation-dir=. -no-canonical-prefixes -Xclang -fmodule-file-home-is-cwd -ftrivial-auto-var-init=pattern -O2 -fdata-sections -ffunction-sections -fno-unique-section-names -fno-omit-frame-pointer -g0 -fvisibility=hidden -Wheader-hygiene -Wstring-conversion -Wtautological-overlap-compare -Xclang -add-plugin -Xclang find-bad-constructs -Xclang -plugin-arg-find-bad-constructs -Xclang check-stack-allocated -Xclang -plugin-arg-find-bad-constructs -Xclang check-ipc -Xclang -add-plugin -Xclang raw-ptr-plugin -Xclang -plugin-arg-raw-ptr-plugin -Xclang check-raw-ptr-to-stack-allocated -Xclang -plugin-arg-raw-ptr-plugin -Xclang disable-check-raw-ptr-to-stack-allocated-error -Xclang -plugin-arg-raw-ptr-plugin -Xclang raw-ptr-exclude-path=../../../third_party/dawn/ -Xclang -plugin-arg-raw-ptr-plugin -Xclang raw-ptr-exclude-path=../../../build/config/clang/chrome/test/fuzzing/webidl_fuzzing/ -fstrict-aliasing -Wundef -fPIC -Wall -Wno-unused-variable -Wno-c++11-narrowing -Wno-unused-but-set-variable -Wno-missing-field-initializers -Wno-unused-parameter -Wno-psabi -Wloop-analysis -Wno-unneeded-internal-declaration -Wno-cast-function-type -Wno-thread-safety-reference-return -Wno-nontrivial-memcall -Werror -Wno-exit-time-destructors -std=c++20 -Wno-trigraphs -gsimple-template-names -fno-exceptions -fno-rtti --sysroot=../../../build/linux/debian_bullseye_amd64-sysroot -fvisibility-inlines-hidden -fbuiltin-module-map -fmodule-map-file=gen/third_party/libc++/src/include/module.modulemap -fmodule-map-file=../../../build/modules/linux-x64/module.modulemap -std=c++20 -Wno-invalid-offsetof -Wenum-compare-conditional -Wno-nullability-completeness -fmodule-map-file=gen/third_party/libc++/src/include/module.modulemap -fmodule-map-file=../../../build/modules/linux-x64/module.modulemap -fbuiltin-module-map -fmodule-file=obj/build/modules/linux-x64/_Builtin_stdarg/module.pcm -fmodule-file=obj/build/modules/linux-x64/_Builtin_stddef/module.pcm -fmodule-file=obj/build/modules/linux-x64/sys_stage1/module.pcm -fmodule-name=std_ctype_h -c -x c++ -Xclang -emit-module gen/third_party/libc++/src/include/module.modulemap -o obj/build/modules/linux-x64/std_ctype_h/module.pcm
While building module 'std_ctype_h':
In file included from <module-includes>:1:
gen/third_party/libc++/src/include/ctype.h:35:12: error: '__config' file not found with <angled> include; use "quotes" instead
35 | # include <__config>
| ^
While building module 'std_ctype_h':
In file included from <module-includes>:1:
In file included from gen/third_party/libc++/src/include/ctype.h:35:
gen/third_party/libc++/src/include/__config:13:10: error: '__config_site' file not found with <angled> include; use "quotes" instead
13 | #include <__config_site>
| ^
gen/third_party/libc++/src/include/__config:14:10: error: '__configuration/abi.h' file not found with <angled> include; use "quotes" instead
14 | #include <__configuration/abi.h>
| ^
While building module 'std_ctype_h':
In file included from <module-includes>:1:
In file included from gen/third_party/libc++/src/include/ctype.h:35:
In file included from gen/third_party/libc++/src/include/__config:14:
gen/third_party/libc++/src/include/__configuration/abi.h:13:10: fatal error: '__config_site' file not found
13 | #include <__config_site>
| ^~~~~~~~~~~~~~~
4 errors generated.
Full log attached. Can someone suggest a solution?
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