Package: pkg-config Version: 0.29.2-1 Severity: wishlist Tags: upstream X-Debbugs-Cc: [email protected]
Dear Maintainer, I'm building a library with its own pkg-config file. That avoids repeating the information in the .pc file again in the Makefile. And it also avoids releasing broken .pc files; if the .pc file was incorrect, my library simply wouldn't build. However, there's no easy way to do that (and I found today the source of a bug in my build system due to a missing line). It would be easier if pkg-config allowed that in a simple manner. To build (link) a library, I have the following in my Makefile: PC_ENV := PKG_CONFIG_PATH=lib/pkgconfig req_pc := $(shell $(PC_ENV) pkg-config --print-requires-private libfoo) LIBS := -L$(builddir) LIBS += $(shell $(PC_ENV) pkg-config --libs libfoo) LIBS += $(shell $(PC_ENV) pkg-config --libs $(req_pc)) However, I noticed today that I was missing the information in Libs.private from my .pc file. But I don't want to invoke '--static --libs', since that would pull the Libs.private from all my dependencies, which I don't need. So I need to extract those with sed. But pkg-config could (and I think should) do that. To mirror cc syntax, where -static means link an executable against static libraries, but -shared means build a shared library, I think the best syntax for pkg-config would be to add a --shared flag. For pkg-config, --static would be used for linking an executable against a static library, and --shared would be used to build a shared object. So, the following lines should be enough to pull all libs necessary for building the shared object corresponding to a given .pc file: PC_ENV := PKG_CONFIG_PATH=lib/pkgconfig LIBS := $(shell $(PC_ENV) pkg-config --shared --libs libfoo) Thanks, Alex -- System Information: Debian Release: bookworm/sid APT prefers unstable APT policy: (500, 'unstable'), (1, 'experimental') Architecture: amd64 (x86_64) Kernel: Linux 5.14.0-1-amd64 (SMP w/12 CPU threads) Kernel taint flags: TAINT_WARN Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US:en Shell: /bin/sh linked to /usr/bin/dash Init: systemd (via /run/systemd/system) LSM: AppArmor: enabled Versions of packages pkg-config depends on: ii libc6 2.32-4 ii libdpkg-perl 1.20.9 ii libglib2.0-0 2.70.0-3 pkg-config recommends no packages. Versions of packages pkg-config suggests: ii dpkg-dev 1.20.9 -- no debconf information
