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bpftools: fix libbpf pkgconfig file

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The pkgconfig file hardcodes a host library directory which cannot be
overridden by OpenWrt during builds. Use SED to fix this and potential
include directory problems, as is done with several other packages.

This fixes a strange issue intermittently seen building iproute2 on the
oxnas target:

iptables modules directory: /usr/lib/iptables
libc has setns: yes
SELinux support: no
libbpf support: no
	libbpf version 0.3.0 is too low, please update it to at least 0.1.0
	LIBBPF_FORCE=on set, but couldn't find a usable libbpf

Fixes: 2f0d672088 ("bpftools: add utility and library packages
supporting eBPF usage")
Reported-by: Russell Senior <russell@personaltelco.net>
Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
(cherry picked from commit 9e64e4ce26)
This commit is contained in:
Tony Ambardar 2021-03-01 01:07:45 -08:00 committed by Hauke Mehrtens
parent f0ab4b17e6
commit 6b2bcd2597
1 changed files with 4 additions and 0 deletions
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4
package/network/utils/bpftools/Makefile
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@ -145,6 +145,10 @@ define Build/InstallDev/libbpf
$(INSTALL_DIR) $(1)/usr/lib/pkgconfig
$(CP) $(PKG_INSTALL_DIR)/usr/lib$(LIB_SUFFIX)/pkgconfig/libbpf.pc \
$(1)/usr/lib/pkgconfig/
$(SED) 's,/usr/include,$$$${prefix}/include,g' \
$(1)/usr/lib/pkgconfig/libbpf.pc
$(SED) 's,/usr/lib,$$$${exec_prefix}/lib,g' \
$(1)/usr/lib/pkgconfig/libbpf.pc
endef
ifeq ($(BUILD_VARIANT),lib)