JackyWoo opened a new pull request, #64131:
URL: https://github.com/apache/doris/pull/64131
### What problem does this PR solve?
BE build error in Ubuntu 20.4 with tool chain
```
[91/1347] Building CXX object CMakeFiles/pch.dir/src/pch/pch.cc.o
FAILED: [code=1] CMakeFiles/pch.dir/src/pch/pch.cc.o
ccache /data1/home/wujianchao/project/jd/ldb_toolchain/bin/clang++
-DBOOST_DATE_TIME_POSIX_TIME_STD_CONFIG -DBOOST_STACKTRACE_USE_BACKTRACE
-DBOOST_SYSTEM_NO_DEPRECATED -DBOOST_UUID_RANDOM_PROVIDER_FORCE_POSIX=1
-DBRPC_ENABLE_CPU_PROFILER -DGLOG_CUSTOM_PREFIX_SUPPORT -DHAVE_INTTYPES_H
-DHAVE_NETINET_IN_H -DLIBDIVIDE_AVX2 -DLIBDIVIDE_SSE2 -DLIBJVM
-DS2_USE_GFLAGS -DS2_USE_GLOG -DUSE_AVX2 -DUSE_AZURE -DUSE_DORIS_HADOOP_HDFS
-DUSE_HADOOP_HDFS
-DUSE_JEMALLOC -DUSE_UNWIND -D__STDC_FORMAT_MACROS
-I/data1/home/wujianchao/project/jd/doris/be/../contrib/apache-orc/c++/include
-I/data1/home/wujianchao/
project/jd/doris/be/build_Release/apache-orc/c++/include
-I/data1/home/wujianchao/project/jd/doris/be/build_Release/clucene/src/shared
-I/data1/home/wujianchao/
project/jd/doris/be/../contrib/clucene/src/core
-I/data1/home/wujianchao/project/jd/doris/be/../contrib/clucene/src/shared
-I/data1/home/wujianchao/project/jd/
doris/be/../contrib/clucene/src/contribs-lib
-I/data1/home/wujianchao/project/jd/doris/be/src
-I/usr/lib/jvm/java-17-openjdk-amd64/include -I/usr/lib/jvm/java-
17-openjdk-amd64/include/linux -isystem
/data1/home/wujianchao/project/jd/doris/be/../common -isystem
/data1/home/wujianchao/project/jd/doris/be/../gensrc/build
-isystem
/data1/home/wujianchao/project/jd/doris_thirdparty_4.1/installed/include
-isystem /data1/home/wujianchao/project/jd/doris_thirdparty_4.1/installed/
gperftools/include -O3 -DNDEBUG -O3 -DNDEBUG -std=gnu++20 -D OS_LINUX
-ffile-prefix-map=/data1/home/wujianchao/project/jd/doris=. -g -gdwarf-5 -Wall
-Wextra
-Werror -Wundef -pthread -fstrict-aliasing -fno-omit-frame-pointer
-Wnon-virtual-dtor -Wno-unused-parameter -Wno-sign-compare -fcolor-diagnostics
-Wpedantic
-Wshadow -Wshadow-field -Wunused -Wunused-command-line-argument
-Wunused-exception-parameter -Wunused-volatile-lvalue -Wunused-template
-Wunused-member-function
-Wunused-macros -Wconversion -Wthread-safety -Wno-gnu-statement-expression
-Wno-implicit-float-conversion -Wno-sign-conversion -msse4.2 -mavx2
-gdwarf-aranges
-fopenmp=libomp -fopenmp=libomp -Xclang -fno-pch-timestamp -Winvalid-pch
-Xclang -include-pch -Xclang
/data1/home/wujianchao/project/jd/doris/be/build_Release/
CMakeFiles/pch.dir/cmake_pch.hxx.pch -Xclang -include -Xclang
/data1/home/wujianchao/project/jd/doris/be/build_Release/CMakeFiles/pch.dir/cmake_pch.hxx
-MD -MT
CMakeFiles/pch.dir/src/pch/pch.cc.o -MF
CMakeFiles/pch.dir/src/pch/pch.cc.o.d -o CMakeFiles/pch.dir/src/pch/pch.cc.o -c
/data1/home/wujianchao/project/jd/doris/
be/src/pch/pch.cc
fatal error: file
'/data1/home/wujianchao/project/jd/doris/be/build_Release/../../gensrc/build/gen_cpp/AgentService_types.h'
has been modified since the
precompiled header
'/data1/home/wujianchao/project/jd/doris/be/build_Release/CMakeFiles/pch.dir/cmake_pch.hxx.pch'
was built: size changed (was 176517, now
175478)
note: please rebuild precompiled header
'/data1/home/wujianchao/project/jd/doris/be/build_Release/CMakeFiles/pch.dir/cmake_pch.hxx.pch'
1 error generated.
```
Problem Summary:
PCH race condition with gensrc headers
Add gensrc headers as HEADER_FILE_ONLY PCH dependencies so ninja rebuilds
PCH when they change, preventing "file has been modified since the precompiled
header was built: size changed" errors.
### Release note
None
### Check List (For Author)
- Test <!-- At least one of them must be included. -->
- [ ] Regression test
- [ ] Unit Test
- [x] Manual test (add detailed scripts or steps below)
- [x] No need to test or manual test. Explain why:
- [ ] This is a refactor/code format and no logic has been changed.
- [ ] Previous test can cover this change.
- [ ] No code files have been changed.
- [x] Other reason be build system related
- Behavior changed:
- [x] No.
- [ ] Yes. <!-- Explain the behavior change -->
- Does this need documentation?
- [x] No.
- [ ] Yes. <!-- Add document PR link here. eg:
https://github.com/apache/doris-website/pull/1214 -->
### Check List (For Reviewer who merge this PR)
- [ ] Confirm the release note
- [ ] Confirm test cases
- [ ] Confirm document
- [ ] Add branch pick label <!-- Add branch pick label that this PR should
merge into -->
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