There was a thread some time ago (11/2004) about having a variable in .la
files evaluated at runtime. This seems like a good idea to me, and would
work well with pkg-config's ${pcfiledir} variable.
It might also work to have something like `pkg-config --libs` in the
dependency_libs field of a library's .la file...
For instance, my /usr/lib/libg[dt]k-x11-2.0.la files include the following
in their dependency_libs fields:
[EMAIL PROTECTED]:~$ grep dependency_libs /usr/lib/libg[dt]k-x11-2.0.la
/usr/lib/libgdk-x11-2.0.la:dependency_libs='
/usr/lib/libpangocairo-1.0.la/usr/lib/libpango-
1.0.la /usr/lib/libcairo.la -lfreetype -lz -lpng12 -lfontconfig -lXext
-lXrender -lX11 -lXinerama -lXi -lXrandr -lXcursor -lXfixes
/usr/lib/libgdk_pixbuf-2.0.la /usr/lib/libgmodule-2.0.la -ldl
/usr/lib/libgobject-2.0.la /usr/lib/libglib-2.0.la
/usr/lib/libglib-2.0.la-lrt -lm'
/usr/lib/libgtk-x11-2.0.la:dependency_libs='
/usr/lib/libgdk-x11-2.0.la-lXext -lXinerama -lXi -lXrandr -lXcursor
-lXfixes /usr/lib/libgdk_pixbuf-
2.0.la /usr/lib/libpangocairo-1.0.la /usr/lib/libpango-1.0.la/usr/lib/libatk-
1.0.la /usr/lib/libgobject-2.0.la /usr/lib/libgmodule-2.0.la/usr/lib/libglib-
2.0.la -ldl /usr/lib/libglib-2.0.la -lrt /usr/lib/libcairo.la -lfreetype -lz
-lfontconfig -lpng12 -lXrender -lX11 -lm'
The same information is returned by querying pkg-config for gtk+-x11-2.0's
libraries:
$ pkg-config --libs gtk+-x11-2.0
-lgtk-x11-2.0 -lgdk-x11-2.0 -latk-1.0 -lgdk_pixbuf-2.0 -lm
-lpangocairo-1.0-lfontconfig -lXext -lXrender -lXinerama -lXi -lXrandr
-lXcursor -lXfixes -
lpango-1.0 -lcairo -lX11 -lgobject-2.0 -lgmodule-2.0 -ldl -lglib-2.0
Would it be feasible to add a field to .la fies which indicated the
pkg-config package name to query for linker args?
This would help our build system avoid
the madness caused by hard-coded paths in .la files.
Looking forward to your response,
C.J.
--
moo.
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