common.cc:41:10: fatal error: config.h: No such file or directory ?

[redfirebrooks]

Hello, I have followed the different steps but have a error with ninja

pi@raspberry4:~/android-sdk-tools/src/protobuf/build $ ninja -j$(nproc --all)
[1/179] Building CXX object CMakeFiles/libprotobuf.dir/src/google/protobuf/stubs/common.cc.o
FAILED: CMakeFiles/libprotobuf.dir/src/google/protobuf/stubs/common.cc.o
/usr/bin/c++ -DGOOGLE_PROTOBUF_CMAKE_BUILD -DHAVE_ZLIB -I. -I../src -std=c++11 -MD -MT CMakeFiles/libprotobuf.dir/src/google/protobuf/stubs/common.cc.o -MF CMakeFiles/libprotobuf.dir/src/google/protobuf/stubs/common.cc.o.d -o CMakeFiles/libprotobuf.dir/src/google/protobuf/stubs/common.cc.o -c ../src/google/protobuf/stubs/common.cc
../src/google/protobuf/stubs/common.cc:41:10: fatal error: config.h: No such file or directory
   41 | #include "config.h"
      |          ^~~~~~~~~~
compilation terminated.
[4/179] Building CXX object CMakeFiles/libprotobuf.dir/src/google/protobuf/stubs/stringprintf.cc.o
ninja: build stopped: subcommand failed.

[gounthar]

I have the same problem on an aarch64 server I use for all my builds (Linux instance-20240118-1509 6.5.0-1021-oracle #21~22.04.1-Ubuntu SMP Fri Apr 5 20:30:17 UTC 2024 aarch64 aarch64 aarch64 GNU/Linux):

python3 get_source.py
/usr/bin/git

/usr/bin/go

Cloning into 'src/core'...
remote: Finding sources: 100% (2096/2096)
remote: Total 2096 (delta 192), reused 1308 (delta 192)
Receiving objects: 100% (2096/2096), 2.44 MiB | 10.33 MiB/s, done.
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Cloning into 'src/extras'...
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Updating files: 100% (1189/1189), done.
Cloning into 'src/selinux'...
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Cloning into 'src/e2fsprogs'...
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Cloning into 'src/boringssl'...
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Cloning into 'src/mkbootimg'...
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Cloning into 'src/avb'...
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Cloning into 'src/libbase'...
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Cloning into 'src/base'...
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Cloning into 'src/native'...
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Cloning into 'src/adb'...
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Cloning into 'src/logging'...
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Cloning into 'src/incremental_delivery'...
remote: Finding sources: 100% (59/59)
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Cloning into 'src/fmtlib'...
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Cloning into 'src/pcre'...
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Cloning into 'src/libpng'...
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Cloning into 'src/protobuf'...
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Cloning into 'src/unwinding'...
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Cloning into 'src/zopfli'...
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Cloning into 'src/jsoncpp'...
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Cloning into 'src/sqlite'...
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download success!!
ubuntu@instance-20240118-1509 ~/android-sdk-tools (master)$ cd src/protobuf && mkdir build && cd build
ubuntu@instance-20240118-1509 ~/android-sdk-tools/src/protobuf/build (master)$ cmake -GNinja -Dprotobuf_BUILD_TESTS=OFF ..
-- The C compiler identification is GNU 11.4.0
-- The CXX compiler identification is GNU 11.4.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
--
-- 3.21.12.0
-- Performing Test protobuf_HAVE_LD_VERSION_SCRIPT
-- Performing Test protobuf_HAVE_LD_VERSION_SCRIPT - Success
-- Looking for pthread.h
-- Looking for pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE
-- Could NOT find ZLIB (missing: ZLIB_LIBRARY ZLIB_INCLUDE_DIR)
-- Performing Test protobuf_HAVE_BUILTIN_ATOMICS
-- Performing Test protobuf_HAVE_BUILTIN_ATOMICS - Success
-- Configuring done
-- Generating done
-- Build files have been written to: /home/ubuntu/android-sdk-tools/src/protobuf/build
ubuntu@instance-20240118-1509 ~/android-sdk-tools/src/protobuf/build (master)$ ninja -j$(nproc --all)
[11/205] Building CXX object CMakeFiles/libprotobuf-lite.dir/src/google/protobuf/generated_message_tctable_lite.cc.o
In file included from /home/ubuntu/android-sdk-tools/src/protobuf/src/google/protobuf/generated_message_tctable_lite.cc:36:
/home/ubuntu/android-sdk-tools/src/protobuf/src/google/protobuf/generated_message_tctable_impl.h: In function ‘void google::protobuf::internal::AlignFail(uintptr_t) [with long unsigned int align = 4]’:
/home/ubuntu/android-sdk-tools/src/protobuf/src/google/protobuf/generated_message_tctable_impl.h:256:1: warning: ‘noreturn’ function does return
  256 | }
      | ^
/home/ubuntu/android-sdk-tools/src/protobuf/src/google/protobuf/generated_message_tctable_impl.h: In function ‘void google::protobuf::internal::AlignFail(uintptr_t) [with long unsigned int align = 8]’:
/home/ubuntu/android-sdk-tools/src/protobuf/src/google/protobuf/generated_message_tctable_impl.h:256:1: warning: ‘noreturn’ function does return
[20/205] Building CXX object CMakeFiles/libprotobuf-lite.dir/src/google/protobuf/stubs/common.cc.o
FAILED: CMakeFiles/libprotobuf-lite.dir/src/google/protobuf/stubs/common.cc.o
/usr/bin/c++ -DGOOGLE_PROTOBUF_CMAKE_BUILD -I/home/ubuntu/android-sdk-tools/src/protobuf/build -I/home/ubuntu/android-sdk-tools/src/protobuf/src -std=c++11 -MD -MT CMakeFiles/libprotobuf-lite.dir/src/google/protobuf/stubs/common.cc.o -MF CMakeFiles/libprotobuf-lite.dir/src/google/protobuf/stubs/common.cc.o.d -o CMakeFiles/libprotobuf-lite.dir/src/google/protobuf/stubs/common.cc.o -c /home/ubuntu/android-sdk-tools/src/protobuf/src/google/protobuf/stubs/common.cc
/home/ubuntu/android-sdk-tools/src/protobuf/src/google/protobuf/stubs/common.cc:41:10: fatal error: config.h: No such file or directory
   41 | #include "config.h"
      |          ^~~~~~~~~~
compilation terminated.
[23/205] Building CXX object CMakeFiles/libprotobuf-lite.dir/src/google/protobuf/repeated_field.cc.o
ninja: build stopped: subcommand failed.

What could I install to get rid of this error?
Just in case my system would lack libraries, I installed autoconf automake autotools-dev file libltdl-dev libtool m4 zlib1g zlib1g-dev (some of them were in the protobuf documentation), but that did not solve the problem.
I built protobuf from source on my machine after installing bazel, and it worked too.

ubuntu@instance-20240118-1509 ~/protobuf (main)$ bazel build :protoc :protobuf
INFO: Analyzed 2 targets (0 packages loaded, 0 targets configured).
INFO: Found 2 targets...
Target //:protoc up-to-date:
  bazel-bin/protoc
[...]
INFO: 1 process: 1 internal.
INFO: Build completed successfully, 1 total action

I tried very naively to build protobuf with the same method in this repo source tree:

ubuntu@instance-20240118-1509 ~/android-sdk-tools/src/protobuf (master)$ bazel build :protoc :protobuf
Starting local Bazel server and connecting to it...
WARNING: --enable_bzlmod is set, but no MODULE.bazel file was found at the workspace root. Bazel will create an empty MODULE.bazel file. Please consider migrating your external dependencies from WORKSPACE to MODULE.bazel. For more details, please refer to https://github.com/bazelbuild/bazel/issues/18958.
DEBUG: /home/ubuntu/.cache/bazel/_bazel_ubuntu/f7c6c2b6616329c5799c427cd54ca291/external/rules_jvm_external/coursier.bzl:445:22: The inputs to maven_install.json have changed, but the lock file has not been regenerated. Consider running 'bazel run @unpinned_maven//:pin'
ERROR: Traceback (most recent call last):
        File "/home/ubuntu/android-sdk-tools/src/protobuf/WORKSPACE", line 65, column 20, in <toplevel>
                kotlin_repositories()
        File "/home/ubuntu/.cache/bazel/_bazel_ubuntu/f7c6c2b6616329c5799c427cd54ca291/external/io_bazel_rules_kotlin/src/main/starlark/core/repositories/initialize.bzl", line 96, column 21, in kotlin_repositories
                rules_repository(
Error in repository_rule: invalid user-provided repo name '': valid names may contain only A-Z, a-z, 0-9, '-', '_', '.', and must start with a letter
ERROR: Error computing the main repository mapping: at /home/ubuntu/.cache/bazel/_bazel_ubuntu/f7c6c2b6616329c5799c427cd54ca291/external/io_bazel_rules_kotlin/kotlin/core.bzl:2:5: at /home/ubuntu/.cache/bazel/_bazel_ubuntu/f7c6c2b6616329c5799c427cd54ca291/external/io_bazel_rules_kotlin/kotlin/internal/opts.bzl:16:5: Encountered error while reading extension file 'kotlin/opts.bzl': no such package '@@io_bazel_rules_kotlin_configured//kotlin': error loading package 'external': Could not load //external package
Computing main repo mapping:

Thanks.

[lzhiyong]

modify protobuf/CMakeLists.txt

# L298
# add android to include directory
# as follows
include_directories(
  ${ZLIB_INCLUDE_DIRECTORIES}
  ${protobuf_BINARY_DIR}
  ${protobuf_SOURCE_DIR}/src
  ${protobuf_SOURCE_DIR}/android)