It's somewhat tedious to explicitly set this option on all of our C++ targets,
so I think ideally we should rely primarily on bazelrc files for setting
compiler flags. I tried to completely remove `COPTS`, but unfortunately that
did not work out--we have so many `-Wsign-compare` warnings that I think we
need to keep suppressing them for now or else we will get a lot of complaints.
However, I was able to get to the point where `-Wno-sign-compare` is the only
flag we need in `COPTS` for non-Windows builds. I explicitly set `-DHAVE_ZLIB`
on just the two targets that need it, and removed `-Wno-nonnull` since we are
already compliant with that warning. I moved `-Woverloaded-virtual` to our
bazelrc files so that CI will enforce that we remain compliant with that.
PiperOrigin-RevId: 684863987
Putting it into BUILD files unintentionally forces it on all our downstream users. Instead, we just want to enable this during testing and let them choose for themselves in their builds.
Note, that this expands the scope of -Werror to our entire repo for CI, so a bunch of fixes and opt-outs had to be applied to get this change passing.
Closed#14714
PiperOrigin-RevId: 666903224
We have received several reports in #17036 that the addition of this flag
actually broke the use of command argument files with non-ASCII characters in
their names. It looks like #14253 ended up fixing the original issue with a
different solution anyway. Hopefully this change fixes the issue with non-ASCII
characters.
PiperOrigin-RevId: 655660885
Using none ASCII chars for protoc on Windows are not handled well.
This adresses argument file at a location where either directory, or filename contains Unicode chars.
Specifically because MsBuild tool saves argument file in with the UserName appended to the .rsp file.
https://github.com/dotnet/msbuild/pull/9232
But in general we should really handle if none ascii chars are in the path.
Closes#14197
COPYBARA_INTEGRATE_REVIEW=https://github.com/protocolbuffers/protobuf/pull/14197 from hknielsen:support-non-ascii-commandline-args 673d575665
PiperOrigin-RevId: 568722987
This deletes our old branches of internal Abseil code in favor of their newly open-sourced library. Notably, this removes the ability to turn CHECK crashes into exceptions.
PiperOrigin-RevId: 504460562
* Do not force C++14
Rather than forcing protobuf to always compile in exactly C++14, overriding all settings in .bazelrc and environment variables and commandline options, instead guard the codebase against versions that are too low. This allows for compiling in higher C++ standards, such as those that have std::string_view instead of absl::string_view without generating objects that are incompatible.
* Do not guard headers against low C++ versions
The code will break below C++14 anyway
* Attempt a different >=C++14 guard condition
* Steal the >=C++14 guard condition code from absl
* Special case C++14 guard for GCC < 5.0
* Enable warnings as errors by default for test builds
* Fixing C++ warnings
* Adding host flags, and enabling warnings as error for non-C++ too
* Switch to BUILD copts instead of bazelrc to treat Windows as a snowflake
* Disable warnings as errors on Windows, since it doesn't like the c++14 flag
These are all "toolchain-y" things, like copts, link_opts, and config_settings. These are very different from what is in //toolchain, though, so I chose the somewhat common name build_defs for the package. For now, I am only using this package for purely internal things. (Most public "defs"-type things should come from rules_proto/rules_cc, anyhow.)
Adam Cozzette
Mike Kruskal
Ming-Chuan
Harald Kjær Nielsen
Protobuf Team Bot
Son Luong Ngoc
Kent Ross
Mike Kruskal
Joshua Haberman
David L. Jones