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Change libbpf install location to fix "dirty" submodule

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When installing libbpf headers into 'lib/libbpf/src/root/' then the git
submodule for libbpf is marked dirty. This result in stgit complains under
different operations.

This patch fix the issue by installing libbpf outside submodule directory.
Choose directory 'lib/libbpf-install/' to emphasize relation to 'lib/libbpf/'.

V2: Don't install the library only the header files as before. Also
installing the should be a separate commit.  Patch still statically
link with libbpf/src/libbpf.a.

Signed-off-by: Jesper Dangaard Brouer <netoptimizer@brouer.com>
This commit is contained in:
Jesper Dangaard Brouer
2021-01-08 18:04:06 +01:00
parent 4cbb4f56fe
commit 74e549520a
2 changed files with 6 additions and 3 deletions
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5
lib/Makefile
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@@ -31,15 +31,18 @@ endif
# Detect submodule libbpf source file changes
LIBBPF_SOURCES := $(wildcard libbpf/src/*.[ch])
LIBBPF_INSTALL := libbpf-install
INSTDIR=../../$(LIBBPF_INSTALL)
.PHONY: libbpf_clean
libbpf/src/libbpf.a: $(LIBBPF_SOURCES)
@echo ; echo " libbpf"
$(QUIET_CC)$(MAKE) -C libbpf/src CFLAGS="$(LIBBPF_CFLAGS)" $P
$(QUIET_INSTALL)$(MAKE) -C libbpf/src install_headers DESTDIR=root $P
$(QUIET_INSTALL)$(MAKE) -C libbpf/src DESTDIR=$(INSTDIR) install_headers $P
libbpf_clean:
$(Q)$(MAKE) -C libbpf/src clean $P
$(Q)$(RM) -r $(LIBBPF_INSTALL)
else