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conan install libbpf/0.4.0@ --build=libbpf --profile=/home/conan/w/BuildSingleReference/20434/27622147-bc94-4759-ae8b-351b01134256/profile.txt
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++11
compiler.version=5
os=Linux
os_build=Linux
[options]
libbpf:shared=False
[build_requires]
[env]

libbpf/0.4.0: Forced build from source
Installing package: libbpf/0.4.0
Requirements
    libbpf/0.4.0 from local cache - Cache
    libelf/0.8.13 from 'conan-center' - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Packages
    libbpf/0.4.0:febb8ce525ba443fecd29d582bf7b2ea4b8478ea - Build
    libelf/0.8.13:76f87539fc90ff313e0b3182641a9bb558a717d2 - Cache
    zlib/1.2.11:76f87539fc90ff313e0b3182641a9bb558a717d2 - Cache
Build requirements
    make/4.2.1 from 'conan-center' - Cache
Build requirements packages
    make/4.2.1:24647d9fe8ec489125dfbae4b3ebefaf7581674c - Cache

Installing (downloading, building) binaries...
libelf/0.8.13: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
make/4.2.1: Already installed!
make/4.2.1: Creating CONAN_MAKE_PROGRAM environment variable: /home/conan/w/BuildSingleReference/.conan/data/make/4.2.1/_/_/package/24647d9fe8ec489125dfbae4b3ebefaf7581674c/bin/make
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
zlib/1.2.11: Already installed!
[HOOK - conan-center.py] post_package_info(): [CMAKE FILE NOT IN BUILD FOLDERS (KB-H019)] OK
[HOOK - conan-center.py] post_package_info(): [LIBRARY DOES NOT EXIST (KB-H054)] OK
libbpf/0.4.0: Applying build-requirement: make/4.2.1
libbpf/0.4.0: Copying sources to build folder
libbpf/0.4.0: Building your package in /home/conan/w/BuildSingleReference/.conan/data/libbpf/0.4.0/_/_/build/febb8ce525ba443fecd29d582bf7b2ea4b8478ea
libbpf/0.4.0: Generator cmake created conanbuildinfo.cmake
libbpf/0.4.0: Generator pkg_config created make.pc
libbpf/0.4.0: Generator pkg_config created libelf.pc
libbpf/0.4.0: Generator pkg_config created zlib.pc
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK. 'fPIC' option found and apparently well managed
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK
libbpf/0.4.0: Calling build()

----Running------
> /home/conan/w/BuildSingleReference/.conan/data/make/4.2.1/_/_/package/24647d9fe8ec489125dfbae4b3ebefaf7581674c/bin/make '--directory=src' 'PREFIX=' 'DESTDIR=/home/conan/w/BuildSingleReference/.conan/data/libbpf/0.4.0/_/_/package/febb8ce525ba443fecd29d582bf7b2ea4b8478ea' 'LIBSUBDIR=lib' 'BUILD_STATIC_ONLY=1' -j3
-----------------
make: Entering directory '/home/conan/w/BuildSingleReference/.conan/data/libbpf/0.4.0/_/_/build/febb8ce525ba443fecd29d582bf7b2ea4b8478ea/source_subfolder/src'
  MKDIR    staticobjs
  CC       bpf.o
  CC       btf.o
  CC       libbpf.o
  CC       libbpf_errno.o
  CC       netlink.o
make: Leaving directory '/home/conan/w/BuildSingleReference/.conan/data/libbpf/0.4.0/_/_/build/febb8ce525ba443fecd29d582bf7b2ea4b8478ea/source_subfolder/src'
libbpf/0.4.0: 
Package libelf was not found in the pkg-config search path.
Perhaps you should add the directory containing `libelf.pc'
to the PKG_CONFIG_PATH environment variable
No package 'libelf' found
netlink.c: In function ‘clsact_config’:
netlink.c:380:18: error: ‘TC_H_CLSACT’ undeclared (first use in this function)
  t->tcm_parent = TC_H_CLSACT;
                  ^
netlink.c:380:18: note: each undeclared identifier is reported only once for each function it appears in
In file included from /usr/include/linux/pkt_cls.h:5:0,
                 from netlink.c:10:
netlink.c: In function ‘tc_get_tcm_parent’:
netlink.c:412:23: error: ‘TC_H_CLSACT’ undeclared (first use in this function)
   *parent = TC_H_MAKE(TC_H_CLSACT,
                       ^
netlink.c:414:9: error: ‘TC_H_MIN_INGRESS’ undeclared (first use in this function)
         TC_H_MIN_INGRESS : TC_H_MIN_EGRESS);
         ^
netlink.c:414:28: error: ‘TC_H_MIN_EGRESS’ undeclared (first use in this function)
         TC_H_MIN_INGRESS : TC_H_MIN_EGRESS);
                            ^
netlink.c: In function ‘__get_tc_info’:
netlink.c:515:11: error: ‘TCA_BPF_ID’ undeclared (first use in this function)
  if (!tbb[TCA_BPF_ID])
           ^
make: *** [Makefile:113: staticobjs/netlink.o] Error 1
make: *** Waiting for unfinished jobs....
make/4.2.1: WARN: Lib folder doesn't exist, can't collect libraries: /home/conan/w/BuildSingleReference/.conan/data/make/4.2.1/_/_/package/24647d9fe8ec489125dfbae4b3ebefaf7581674c/lib
libbpf/0.4.0: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/libbpf/0.4.0/_/_/build/febb8ce525ba443fecd29d582bf7b2ea4b8478ea
libbpf/0.4.0: ERROR: Package 'febb8ce525ba443fecd29d582bf7b2ea4b8478ea' build failed
libbpf/0.4.0: WARN: Build folder /home/conan/w/BuildSingleReference/.conan/data/libbpf/0.4.0/_/_/build/febb8ce525ba443fecd29d582bf7b2ea4b8478ea
ERROR: libbpf/0.4.0: Error in build() method, line 67
	autotools.make(args=make_args)
	ConanException: Error 2 while executing /home/conan/w/BuildSingleReference/.conan/data/make/4.2.1/_/_/package/24647d9fe8ec489125dfbae4b3ebefaf7581674c/bin/make '--directory=src' 'PREFIX=' 'DESTDIR=/home/conan/w/BuildSingleReference/.conan/data/libbpf/0.4.0/_/_/package/febb8ce525ba443fecd29d582bf7b2ea4b8478ea' 'LIBSUBDIR=lib' 'BUILD_STATIC_ONLY=1' -j3