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Posted to dev@brpc.apache.org by GitBox <gi...@apache.org> on 2022/02/15 07:27:39 UTC

[GitHub] [incubator-brpc] hthao opened a new issue #1693: compile failed with error "error: macro "__has_attribute" requires an identifier"

hthao opened a new issue #1693:
URL: https://github.com/apache/incubator-brpc/issues/1693


   **Describe the bug (描述bug)**
   compile failed with error "error: macro "__has_attribute" requires an identifier".
   
   **To Reproduce (复现方法)**
   follow the steps:
   https://github.com/apache/incubator-brpc/blob/master/docs/cn/getting_started.md#ubuntulinuxmintwsl
   
   
   **Expected behavior (期望行为)**
   compile successful.
   
   **Versions (各种版本)**
   OS: ubuntu
   Compiler: gcc 
   brpc: 1.0.0
   protobuf: libprotoc 3.12.4
   
   **Additional context/screenshots (更多上下文/截图)**
   test@NUC11PAHi7:~/github/brpc$ cd incubator-brpc-1.0.0/
   test@NUC11PAHi7:~/github/brpc/incubator-brpc-1.0.0$ ls
   bazel                  CHANGES.md      CODE_OF_CONDUCT.md  config.h.in      DISCLAIMER  example     leveldb.BUILD  NOTICE         python        RELEASE_VERSION  tools
   BUILD.bazel            cmake           community           config.mk        Dockerfile  glog.BUILD  LICENSE        openssl.BUILD  README_cn.md  src              WORKSPACE
   build_in_travis_ci.sh  CMakeLists.txt  config_brpc.sh      CONTRIBUTING.md  docs        java        Makefile       package        README.md     test             zlib.BUILD
   test@NUC11PAHi7:~/github/brpc/incubator-brpc-1.0.0$ sh config_brpc.sh --headers=/usr/include --libs=/usr/lib
   test@NUC11PAHi7:~/github/brpc/incubator-brpc-1.0.0$ make
   > Compiling src/mcpack2pb/generator.o
   g++ -c -I./src -I/usr/include/ -DBRPC_WITH_GLOG=0 -DGFLAGS_NS=google -g -DBTHREAD_USE_FAST_PTHREAD_MUTEX -D__const__= -D_GNU_SOURCE -DUSE_SYMBOLIZE -DNO_TCMALLOC -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS -DNDEBUG -DBRPC_REVISION=\"1.0.0\" -O2 -pipe -Wall -W -fPIC -fstrict-aliasing -Wno-invalid-offsetof -Wno-unused-parameter -fno-omit-frame-pointer -std=c++0x -msse4 -msse4.2 -Wno-aligned-new src/mcpack2pb/generator.cpp -o src/mcpack2pb/generator.o
   In file included from /usr/include/features.h:484,
                    from /usr/include/x86_64-linux-gnu/c++/11/bits/os_defines.h:39,
                    from /usr/include/x86_64-linux-gnu/c++/11/bits/c++config.h:586,
                    from /usr/include/c++/11/bits/stl_algobase.h:59,
                    from /usr/include/c++/11/bits/stl_tree.h:63,
                    from /usr/include/c++/11/set:60,
                    from src/mcpack2pb/generator.cpp:22:
   /usr/include/x86_64-linux-gnu/sys/cdefs.h:256:60: error: macro "__has_attribute" requires an identifier
     256 | #if __GNUC_PREREQ (2,5) || __glibc_has_attribute (__const__)
         |                                                            ^
   make: *** [Makefile:297: src/mcpack2pb/generator.o] Error 1
   test@NUC11PAHi7:~/github/brpc/incubator-brpc-1.0.0$ uname -a
   Linux NUC11PAHi7 5.13.0-28-generic #31-Ubuntu SMP Thu Jan 13 17:41:06 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux
   test@NUC11PAHi7:~/github/brpc/incubator-brpc-1.0.0$ gcc --version
   gcc (Ubuntu 11.2.0-7ubuntu2) 11.2.0
   Copyright (C) 2021 Free Software Foundation, Inc.
   This is free software; see the source for copying conditions.  There is NO
   warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   
   


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[GitHub] [incubator-brpc] wwbmmm commented on issue #1693: compile failed with error "error: macro "__has_attribute" requires an identifier"

Posted by GitBox <gi...@apache.org>.
wwbmmm commented on issue #1693:
URL: https://github.com/apache/incubator-brpc/issues/1693#issuecomment-1072323714


   类似的问题，用gcc 12.0.1中，使用了c++11风格的attribute，编译失败
   <img width="808" alt="image" src="https://user-images.githubusercontent.com/3894631/158995416-fd8266a3-90a5-4caf-85de-5ce04309cf4c.png">
   


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[GitHub] [incubator-brpc] TousakaRin commented on issue #1693: compile failed with error "error: macro "__has_attribute" requires an identifier"

Posted by GitBox <gi...@apache.org>.
TousakaRin commented on issue #1693:
URL: https://github.com/apache/incubator-brpc/issues/1693#issuecomment-1040001492


   谢谢反馈，该问题是因为在编译时指定了选项 -D__const__= 导致的，brpc在编译时需要添加这个宏来避免gcc对errno宏做优化从而[导致未定义行为](https://github.com/apache/incubator-brpc/blob/master/docs/cn/thread_local.md#gcc4%E4%B8%8B%E7%9A%84errno%E9%97%AE%E9%A2%98)
   
   你的系统文件（/usr/include/x86_64-linux-gnu/sys/cdefs.h） 在 #if 中测试了 `__glibc_has_attribute (__const__)`，这个宏展开之后是` __has_attribute (__const__)`,  由于brpc在编译时将 __const__ 定义成了空，所以报错了。比较快的解决方案是直接删掉后边的 `__glibc_has_attribute (__const__)`  
   
   ps：提issue的时候可以预览一下，编译错误里的`__const__`变成了加粗的 __const__ 了
   


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[GitHub] [incubator-brpc] wwbmmm removed a comment on issue #1693: compile failed with error "error: macro "__has_attribute" requires an identifier"

Posted by GitBox <gi...@apache.org>.
wwbmmm removed a comment on issue #1693:
URL: https://github.com/apache/incubator-brpc/issues/1693#issuecomment-1072320069


   类似的问题：在gcc 12.0.1中，用到了c++11风格的attribute写法，编译失败
   
   ![a3e2191724d4983ec3ba2a6213285423](https://user-images.githubusercontent.com/3894631/158994701-bec7ba92-6b19-4349-8fe2-78c22e9592e9.png)
   


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[GitHub] [incubator-brpc] hthao edited a comment on issue #1693: compile failed with error "error: macro "__has_attribute" requires an identifier"

Posted by GitBox <gi...@apache.org>.
hthao edited a comment on issue #1693:
URL: https://github.com/apache/incubator-brpc/issues/1693#issuecomment-1040044934


   > 谢谢反馈，该问题是因为在编译时指定了选项 -D__const__= 导致的，brpc在编译时需要添加这个宏来避免gcc对errno宏做优化从而[导致未定义行为](https://github.com/apache/incubator-brpc/blob/master/docs/cn/thread_local.md#gcc4%E4%B8%8B%E7%9A%84errno%E9%97%AE%E9%A2%98)
   > 
   > 你的系统文件（/usr/include/x86_64-linux-gnu/sys/cdefs.h） 在 #if 中测试了 `__glibc_has_attribute (__const__)`，这个宏展开之后是` __has_attribute (__const__)`, 由于brpc在编译时将 **const** 定义成了空，所以报错了。比较快的解决方案是直接删掉后边的 `__glibc_has_attribute (__const__)`
   > 
   > ps：提issue的时候可以预览一下，编译错误里的`__const__`变成了加粗的 **const** 了
   
   谢谢快速反馈，issue格式已修正。
   修改系统文件貌似不现实，可能还需要再研究一下解决方案，多谢。


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[GitHub] [incubator-brpc] wwbmmm commented on issue #1693: compile failed with error "error: macro "__has_attribute" requires an identifier"

Posted by GitBox <gi...@apache.org>.
wwbmmm commented on issue #1693:
URL: https://github.com/apache/incubator-brpc/issues/1693#issuecomment-1072320069






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[GitHub] [incubator-brpc] hthao edited a comment on issue #1693: compile failed with error "error: macro "__has_attribute" requires an identifier"

Posted by GitBox <gi...@apache.org>.
hthao edited a comment on issue #1693:
URL: https://github.com/apache/incubator-brpc/issues/1693#issuecomment-1040044934


   > 谢谢反馈，该问题是因为在编译时指定了选项 -D__const__= 导致的，brpc在编译时需要添加这个宏来避免gcc对errno宏做优化从而[导致未定义行为](https://github.com/apache/incubator-brpc/blob/master/docs/cn/thread_local.md#gcc4%E4%B8%8B%E7%9A%84errno%E9%97%AE%E9%A2%98)
   > 
   > 你的系统文件（/usr/include/x86_64-linux-gnu/sys/cdefs.h） 在 #if 中测试了 `__glibc_has_attribute (__const__)`，这个宏展开之后是` __has_attribute (__const__)`, 由于brpc在编译时将 **const** 定义成了空，所以报错了。比较快的解决方案是直接删掉后边的 `__glibc_has_attribute (__const__)`
   > 
   > ps：提issue的时候可以预览一下，编译错误里的`__const__`变成了加粗的 **const** 了
   
   谢谢快速反馈，issue格式已修正。
   修改系统文件貌似不现实，可能还需要再研究一下解决方案，多谢。


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[GitHub] [incubator-brpc] hthao commented on issue #1693: compile failed with error "error: macro "__has_attribute" requires an identifier"

Posted by GitBox <gi...@apache.org>.
hthao commented on issue #1693:
URL: https://github.com/apache/incubator-brpc/issues/1693#issuecomment-1040044934


   > 谢谢反馈，该问题是因为在编译时指定了选项 -D__const__= 导致的，brpc在编译时需要添加这个宏来避免gcc对errno宏做优化从而[导致未定义行为](https://github.com/apache/incubator-brpc/blob/master/docs/cn/thread_local.md#gcc4%E4%B8%8B%E7%9A%84errno%E9%97%AE%E9%A2%98)
   > 
   > 你的系统文件（/usr/include/x86_64-linux-gnu/sys/cdefs.h） 在 #if 中测试了 `__glibc_has_attribute (__const__)`，这个宏展开之后是` __has_attribute (__const__)`, 由于brpc在编译时将 **const** 定义成了空，所以报错了。比较快的解决方案是直接删掉后边的 `__glibc_has_attribute (__const__)`
   > 
   > ps：提issue的时候可以预览一下，编译错误里的`__const__`变成了加粗的 **const** 了
   
   谢谢快速反馈，修改系统文件貌似不现实，需要再研究一下解决方案，多谢。


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[GitHub] [incubator-brpc] TousakaRin commented on issue #1693: compile failed with error "error: macro "__has_attribute" requires an identifier"

Posted by GitBox <gi...@apache.org>.
TousakaRin commented on issue #1693:
URL: https://github.com/apache/incubator-brpc/issues/1693#issuecomment-1040001492


   谢谢反馈，该问题是因为在编译时指定了选项 -D__const__= 导致的，brpc在编译时需要添加这个宏来避免gcc对errno宏做优化从而[导致未定义行为](https://github.com/apache/incubator-brpc/blob/master/docs/cn/thread_local.md#gcc4%E4%B8%8B%E7%9A%84errno%E9%97%AE%E9%A2%98)
   
   你的系统文件（/usr/include/x86_64-linux-gnu/sys/cdefs.h） 在 #if 中测试了 `__glibc_has_attribute (__const__)`，这个宏展开之后是` __has_attribute (__const__)`,  由于brpc在编译时将 __const__ 定义成了空，所以报错了。比较快的解决方案是直接删掉后边的 `__glibc_has_attribute (__const__)`  
   
   ps：提issue的时候可以预览一下，编译错误里的`__const__`变成了加粗的 __const__ 了
   


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[GitHub] [incubator-brpc] wwbmmm commented on issue #1693: compile failed with error "error: macro "__has_attribute" requires an identifier"

Posted by GitBox <gi...@apache.org>.
wwbmmm commented on issue #1693:
URL: https://github.com/apache/incubator-brpc/issues/1693#issuecomment-1072320069


   类似的问题：在gcc 12.0.1中，用到了c++11风格的attribute写法，编译失败
   
   ![a3e2191724d4983ec3ba2a6213285423](https://user-images.githubusercontent.com/3894631/158994701-bec7ba92-6b19-4349-8fe2-78c22e9592e9.png)
   


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[GitHub] [incubator-brpc] hthao commented on issue #1693: compile failed with error "error: macro "__has_attribute" requires an identifier"

Posted by GitBox <gi...@apache.org>.
hthao commented on issue #1693:
URL: https://github.com/apache/incubator-brpc/issues/1693#issuecomment-1040044934


   > 谢谢反馈，该问题是因为在编译时指定了选项 -D__const__= 导致的，brpc在编译时需要添加这个宏来避免gcc对errno宏做优化从而[导致未定义行为](https://github.com/apache/incubator-brpc/blob/master/docs/cn/thread_local.md#gcc4%E4%B8%8B%E7%9A%84errno%E9%97%AE%E9%A2%98)
   > 
   > 你的系统文件（/usr/include/x86_64-linux-gnu/sys/cdefs.h） 在 #if 中测试了 `__glibc_has_attribute (__const__)`，这个宏展开之后是` __has_attribute (__const__)`, 由于brpc在编译时将 **const** 定义成了空，所以报错了。比较快的解决方案是直接删掉后边的 `__glibc_has_attribute (__const__)`
   > 
   > ps：提issue的时候可以预览一下，编译错误里的`__const__`变成了加粗的 **const** 了
   
   谢谢快速反馈，修改系统文件貌似不现实，需要再研究一下解决方案，多谢。


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[GitHub] [incubator-brpc] wwbmmm removed a comment on issue #1693: compile failed with error "error: macro "__has_attribute" requires an identifier"

Posted by GitBox <gi...@apache.org>.
wwbmmm removed a comment on issue #1693:
URL: https://github.com/apache/incubator-brpc/issues/1693#issuecomment-1072320069


   类似的问题：在gcc 12.0.1中，用到了c++11风格的attribute写法，编译失败
   
   ![a3e2191724d4983ec3ba2a6213285423](https://user-images.githubusercontent.com/3894631/158994701-bec7ba92-6b19-4349-8fe2-78c22e9592e9.png)
   


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