On Tue, 2019-03-19 at 16:17 -0700, Stanislav Fomichev wrote: > On 03/19, Luca Boccassi wrote: > > Generate a libbpf.pc file at build time so that users can rely > > on pkg-config to find the library, its CFLAGS and LDFLAGS. > > > > Signed-off-by: Luca Boccassi <bl...@debian.org> > > --- > > v2: use QUIET_GEN instead of QUIET_LINK to generate pc file, > > save kernel version in its own variable instead of calling > > make inline > > > > tools/lib/bpf/.gitignore | 1 + > > tools/lib/bpf/Makefile | 19 ++++++++++++++++--- > > tools/lib/bpf/libbpf.pc.template | 11 +++++++++++ > > 3 files changed, 28 insertions(+), 3 deletions(-) > > create mode 100644 tools/lib/bpf/libbpf.pc.template > > > > diff --git a/tools/lib/bpf/.gitignore b/tools/lib/bpf/.gitignore > > index 4db74758c674..7d9e182a1f51 100644 > > --- a/tools/lib/bpf/.gitignore > > +++ b/tools/lib/bpf/.gitignore > > @@ -1,3 +1,4 @@ > > libbpf_version.h > > +libbpf.pc > > FEATURE-DUMP.libbpf > > test_libbpf > > diff --git a/tools/lib/bpf/Makefile b/tools/lib/bpf/Makefile > > index a05c43468bd0..1df3ebfb3118 100644 > > --- a/tools/lib/bpf/Makefile > > +++ b/tools/lib/bpf/Makefile > > @@ -80,6 +80,7 @@ libdir_SQ = $(subst ','\'',$(libdir)) > > libdir_relative_SQ = $(subst ','\'',$(libdir_relative)) > > > > LIB_FILE = libbpf.a libbpf.so > > +PC_FILE = libbpf.pc > > > > VERSION = $(BPF_VERSION) > > PATCHLEVEL = $(BPF_PATCHLEVEL) > > @@ -89,6 +90,7 @@ OBJ = $@ > > N = > > > > LIBBPF_VERSION = > > $(BPF_VERSION).$(BPF_PATCHLEVEL).$(BPF_EXTRAVERSION) > > +KERNEL_VERSION = $(shell make --no-print-directory -sC ../../.. > > kernelversion) > Oh, we do already have LIBBPF_VERSION, why not use that? This way > you don't need to do anything for out-of-tree libbpf from github. > > I don't remember what was the strategy regarding libbpf versioning, > but > that 0.0.1 should be changed to something sensible (be set to the > kernel > version upon release?)
[re-sending as reply via phone added html and the list daemon said no- no] That looks like the ABI version though, rather than the source version? The source version is more appropriate for the PC file -- Kind regards, Luca Boccassi
