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conan install librdkafka/1.6.1@ --build=librdkafka --profile=/Users/jenkins/w/BuildSingleReference@4/12880/d15c0c99-8333-4a0b-9c50-f78e38e41181/profile.txt
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Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Debug
compiler=apple-clang
compiler.libcxx=libc++
compiler.version=10.0
os=Macos
os_build=Macos
[options]
librdkafka:shared=True
[build_requires]
[env]

librdkafka/1.6.1: Forced build from source
Installing package: librdkafka/1.6.1
Requirements
    librdkafka/1.6.1 from local cache - Cache
    lz4/1.9.3 from 'conan-center' - Cache
Packages
    librdkafka/1.6.1:4d0898e723b4060ea734df6f4e7e992364608971 - Build
    lz4/1.9.3:1513b3452ef7e2a2dd5f931247c5e02edeb98cc9 - Cache

Installing (downloading, building) binaries...
lz4/1.9.3: 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
librdkafka/1.6.1: Copying sources to build folder
librdkafka/1.6.1: Building your package in /Users/jenkins/w/BuildSingleReference@4/.conan/data/librdkafka/1.6.1/_/_/build/4d0898e723b4060ea734df6f4e7e992364608971
librdkafka/1.6.1: Generator cmake created conanbuildinfo.cmake
librdkafka/1.6.1: Generator pkg_config created liblz4.pc
librdkafka/1.6.1: Generator cmake_find_package created Findlz4.cmake
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not found
[HOOK - conan-center.py] pre_build(): [FPIC MANAGEMENT (KB-H007)] OK
librdkafka/1.6.1: Calling build()
patches/0002-Change-library-targets-and-result-variables-1-6-0.patch: source file is different - b'src/CMakeLists.txt'
librdkafka/1.6.1: 
librdkafka/1.6.1: WARN: Build folder is dirty, removing it: /Users/jenkins/w/BuildSingleReference@4/.conan/data/librdkafka/1.6.1/_/_/build/4d0898e723b4060ea734df6f4e7e992364608971
WARN: patches/0002-Change-library-targets-and-result-variables-1-6-0.patch: file 1/1:	 b'src/CMakeLists.txt'
WARN: patches/0002-Change-library-targets-and-result-variables-1-6-0.patch:  hunk no.2 doesn't match source file at line 251
WARN: patches/0002-Change-library-targets-and-result-variables-1-6-0.patch:   expected: b'if(WITH_LZ4_EXT)'
WARN: patches/0002-Change-library-targets-and-result-variables-1-6-0.patch:   actual  : b'if(WITH_LIBDL)'
librdkafka/1.6.1: ERROR: Package '4d0898e723b4060ea734df6f4e7e992364608971' build failed
librdkafka/1.6.1: WARN: Build folder /Users/jenkins/w/BuildSingleReference@4/.conan/data/librdkafka/1.6.1/_/_/build/4d0898e723b4060ea734df6f4e7e992364608971
ERROR: librdkafka/1.6.1: Error in build() method, line 101
	self._patch_sources()
while calling '_patch_sources', line 78
	tools.patch(**patch)
	ConanException: Failed to apply patch: patches/0002-Change-library-targets-and-result-variables-1-6-0.patch