On 9/2/24 8:13 AM, Waldek Hebisch wrote:
On Sun, Sep 01, 2024 at 10:32:39AM +0800, Qian Yun wrote:
There is this gentoo bug: https://bugs.gentoo.org/728048
The CFLAGS/LDFLAGS flags are not propagated properly in Makefiles.
I think the attached patch fixes this.
It looks OK assuming that we want behaviour that you implemented.
However, it is not 100% clear what CFLAGS/LDFLAGS should do.
For example, in principle for correct configuration we should
use the same flags both during configure and build. So arguably
CFLAGS should be propagated from configure to makefiles.
If you export CFLAGS in environment variables, it is already picked
up by configure automatically.
- Qian
./configure --help
Some influential environment variables:
CC C compiler command
CFLAGS C compiler flags
LDFLAGS linker flags, e.g. -L<lib dir> if you have libraries in a
nonstandard directory <lib dir>
LIBS libraries to pass to the linker, e.g. -l<library>
CPPFLAGS (Objective) C/C++ preprocessor flags, e.g. -I<include dir> if
you have headers in a nonstandard directory <include dir>
CPP C preprocessor
XMKMF Path to xmkmf, Makefile generator for X Window System
Use these variables to override the choices made by `configure' or to help
it to find libraries and programs with nonstandard names/locations.
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