Skip to content

[3.11] gh-90539: doc: Expand on what should not go into CFLAGS, LDFLAGS (GH-92754) #94029

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
miss-islington merged 1 commit into from
Jun 20, 2022
Merged

[3.11] gh-90539: doc: Expand on what should not go into CFLAGS, LDFLAGS (GH-92754) #94029

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
gh-90539: doc: Expand on what should not go into CFLAGS, LDFLAGS (GH-… 
…92754)

(cherry picked from commit 61f24e7)

Co-authored-by: Matthias Köppe <mkoeppe@math.ucdavis.edu>
  • Loading branch information
@mkoeppe @miss-islington
mkoeppe authored and miss-islington committed Jun 20, 2022
commit 066dae9171862d819b7efe7dd6ff7584b11d7b20
18 changes: 18 additions & 0 deletions Doc/using/configure.rst
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -748,6 +748,17 @@ Compiler flags
extensions. Use it when a compiler flag should *not* be part of the
distutils :envvar:`CFLAGS` once Python is installed (:issue:`21121`).

In particular, :envvar:`CFLAGS` should not contain:

* the compiler flag `-I` (for setting the search path for include files).
The `-I` flags are processed from left to right, and any flags in
:envvar:`CFLAGS` would take precedence over user- and package-supplied `-I`
flags.

* hardening flags such as `-Werror` because distributions cannot control
whether packages installed by users conform to such heightened
standards.

.. versionadded:: 3.5

.. envvar:: EXTRA_CFLAGS
Expand Down Expand Up @@ -860,6 +871,13 @@ Linker flags
:envvar:`CFLAGS_NODIST`. Use it when a linker flag should *not* be part of
the distutils :envvar:`LDFLAGS` once Python is installed (:issue:`35257`).

In particular, :envvar:`LDFLAGS` should not contain:

* the compiler flag `-L` (for setting the search path for libraries).
The `-L` flags are processed from left to right, and any flags in
:envvar:`LDFLAGS` would take precedence over user- and package-supplied `-L`
flags.

.. envvar:: CONFIGURE_LDFLAGS_NODIST

Value of :envvar:`LDFLAGS_NODIST` variable passed to the ``./configure``
Expand Down