Hi,
(This is not a question, just a two cents trick for people using CDBS
in gnomish packages.)
Today, I had to add CFLAGS and LDFLAGS to a package's build process.
The package had the --as-needed clob in its debian/rules:
DEB_CONFIGURE_SCRIPT_ENV += LDFLAGS="-Wl,-O1 -Wl,--as-needed"
I could have added the LDFLAGS I needed at the end of the above line,
even with CFLAGS, but it wouldn't have been very maintainable or simply
readable.
Digging up the DEB_CONFIGURE_SCRIPT_ENV usage, I think it makes more
sense to simply set LDFLAGS:
# drop unneeded ELF deps
LDFLAGS += -Wl,-O1 -Wl,--as-needed
(DEB_CONFIGURE_SCRIPT_ENV contains LDFLAGS="$(LDFLAGS)" by default)
Adding or removing options is then as simple as adding or
removing/commenting CFLAGS / LDFLAGS lines:
# build with TCP wrappers
LDFLAGS += -lwrap
CFLAGS += -DUSE_LIBWRAP
Make sure you always use "+=".
As a side effect, any LDFLAGS set by CDBS isn't overwritten anymore.
There's a high number of DEB_CONFIGURE_SCRIPT_ENV occurrences in
pkg-gnome so I thought this is a common pattern. In the interest of
readability, I suggest that people start updating their packages to
augment LDFLAGS or CFLAGS directly. Thanks for your attention!
Cheers,
--
Loïc Minier <lool RemoveThis @dooz.org>
"I have no strong feelings one way or the other." -- Neutral President
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