Add a private dependency on zck to librepo.pc if zchunk support is enabled #307
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LGTM 👍 |
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I found a proper fix. pkgconf supports this kind of header-only dependency by adding it to Requires.private. |
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If librepo is built with zchunk support, zchunk's zck.h header file is
included from librepo public header files, thus applications building
against librepo needs zchunk header files available at build time.
Those who only use pkg-config for tracking dependencies, reported
build failures:
/usr/include/librepo/downloadtarget.h:27:10: fatal error: zck.h: No such file or directory
This patch adds the dependency on zck to librepo.pc.
It enhances Requires.private instead of Requires to prevent from
contaminating "pkgconf --libs librepo" with -lzck. Contrary, "pkgconf
--cflags librepo" correctly appends include path to zck header files.
The dependency on zck.pc is only checked and enforced with "pkgconf
--cflags librepo" invocation. This behaviour is a feature. See
<pkgconf/pkgconf#352> and
<pkgconf/pkgconf#300>.
Fixes: rpm-software-management#305
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That PR of course is wrong because 'zck` dependency is not used only on static linking. |
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That PR is good because "pkfconf --cflags" reports an error if zck is not installed. |
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Add a private dependency on zck to librepo.pc if zchunk support is enabled
If librepo is built with zchunk support, zchunk's zck.h header file is
included from librepo public header files, thus applications building
against librepo needs zchunk header files available at build time.
Those who only use pkg-config for tracking dependencies, reported
build failures:
This patch adds the dependency on zck to librepo.pc.
It enhances Requires.private instead of Requires to prevent from
contaminating "pkgconf --libs librepo" with -lzck. Contrary, "pkgconf
--cflags librepo" correctly appends include path to zck header files.
The dependency on zck.pc is only checked and enforced with "pkgconf
--cflags librepo" invocation. This behaviour is a feature. See
pkgconf/pkgconf#352 and
pkgconf/pkgconf#300.
Fixes: #305