libbpf

4 Commits

Author	SHA1	Message	Date
Luca Boccassi	438584bfc2	Makefile: use pkg-config to get libelf flags libbpf uses libelf symbols internally, so it depends on it and needs to link against it. Upstream this was fixed by linking directory to libelf: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf.git/commit/?id=89dedaef49d36adc2bb5e7e4c38b52fa3013c7c8 For this project, intended to be used as a general library, try first to use pkg-config instead, and only fallback to just passing -lelf. This will be useful for cross compiling, among other cases. Signed-off-by: Luca Boccassi <luca.boccassi@microsoft.com>	2019-03-29 17:37:54 +00:00
Luca Boccassi	3e403451c7	Build shared lib by default, add options to turn it off The vast majority of use cases want a shared library, so to be more user and packager friendly invert the makefile logic and always build both static and shared libraries by default. Add BUILD_STATIC_ONLY variable for the corner cases where only a static library is needed Signed-off-by: Luca Boccassi <luca.boccassi@microsoft.com>	2019-03-29 16:44:25 +00:00
Luca Boccassi	e31e1a5a3f	Makefile: pass CPPFLAGS to the compiler Distro tools like dpkg-buildpackage use the preprocessor flags to pass important flags, like hardening features. Pass CPPFLAGS to CC. Signed-off-by: Luca Boccassi <luca.boccassi@microsoft.com>	2019-03-29 09:11:11 -07:00
Luca Boccassi	93bc1d03f4	makefile: sync generate pkg-config file for libbpf Generate a libbpf.pc file at build time so that users can rely on pkg-config to find the library, its CFLAGS and LDFLAGS. This has been applied on bpf-next, so the corresponding change is backported here: https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=dd399ac9e343c7573c47d6820e4a23013c54749d Signed-off-by: Luca Boccassi <luca.boccassi@microsoft.com>	2019-03-29 09:11:11 -07:00