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| -rw-r--r-- | Doc/using/configure.rst | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/Doc/using/configure.rst b/Doc/using/configure.rst index 8cbeb49..80c0dc0 100644 --- a/Doc/using/configure.rst +++ b/Doc/using/configure.rst @@ -749,6 +749,17 @@ 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 @@ -861,6 +872,13 @@ 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`` |