Re: [stalld v2 0/6] Improve Makefile portability and debugging

[Clark Williams <williams@redhat.com>]

On Mon, Nov 10, 2025 at 10:22:35AM -0300, Wander Lairson Costa wrote:
> This patch series improves the stalld build system to be more portable
> across different architectures and compiler toolchains while adding
> better debugging capabilities. The main motivation is to eliminate
> hard-coded compiler version checks that were brittle and could fail on
> non-standard toolchains or different architectures.
> 
> The changes replace minimum version checks with direct compiler feature
> detection tests, ensuring that compiler flags are only used when
> actually supported. This approach tests each flag by attempting to
> compile a minimal test program, making the build system resilient to
> variations in compiler implementations across architectures like x86_64,
> aarch64, s390x, i686, and powerpc. Additionally, the series adds build
> environment information output and cleans up redundant checks to improve
> maintainability.
> 
> The series also includes minor improvements to explicitly specify the
> test target invocation and exclude development environment metadata from
> version control.
> 
> Wander Lairson Costa (6):
>   Makefile: Conditionally add -mno-omit-leaf-frame-pointer
>   Makefile: Improve compiler flag detection for -fcf-protection
>   Makefile: Explicitly run the 'test' target in the tests directory
>   Makefile: Remove redundant GCC version check
>   Makefile: Print BPF tool versions for debugging
>   gitignore: Exclude Serena and Claude Code metadata
> 
>  .gitignore |  2 ++
>  Makefile   | 42 ++++++++++++++++++++++++------------------
>  2 files changed, 26 insertions(+), 18 deletions(-)
> 
> Signed-off-by: Wander Lairson Costa <wander@redhat.com>
> Cc: Derek Barbosa <debarbos@redhat.com>
> Cc: John Kacur <jkacur@redhat.com>
> Cc: Juri Lelli <juri.lelli@redhat.com>
> Cc: Chunsheng Luo <luochunsheng@ustc.edu>

Ack for the series (note that I have this now in my devel branch, which
is based on v1.25.1)

Signed-off-by: Clark Williams <williams@redhat.com>
-- 
The United States Coast Guard
Ruining Natural Selection since 1790