********************************************************************************
conan install libpng/1.6.37@ --build=libpng --profile:host=/Users/jenkins/w/BuildSingleReference@2/20054/dd4d7030-bca8-48c5-bcfb-a9dfca2b6dce/profile_host.txt --profile:build=default
********************************************************************************
Configuration (profile_host):
[settings]
arch=armv8
build_type=Release
compiler=apple-clang
compiler.libcxx=libc++
compiler.version=12.0
os=Macos
[options]
libpng:shared=True
[build_requires]
[env]

Configuration (profile_build):
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=apple-clang
compiler.libcxx=libc++
compiler.version=12.0
os=Macos
os_build=Macos
[options]
[build_requires]
[env]

libpng/1.6.37: Forced build from source
Installing package: libpng/1.6.37
Requirements
    libpng/1.6.37 from 'TapaholesList-183' - Cache
    zlib/1.2.11 from 'conan-center' - Cache
Packages
    libpng/1.6.37:9cb82b71c58d496b043165d4335fab601d05a0a9 - Build
    zlib/1.2.11:8fafab5ebfba468fd21a497cfee65cafe294bd9e - Cache

Cross-build from 'Macos:x86_64' to 'Macos:armv8'
Installing (downloading, building) binaries...
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
libpng/1.6.37: Copying sources to build folder
libpng/1.6.37: Building your package in /Users/jenkins/w/BuildSingleReference@2/.conan/data/libpng/1.6.37/_/_/build/9cb82b71c58d496b043165d4335fab601d05a0a9
libpng/1.6.37: Generator cmake_find_package created FindZLIB.cmake
libpng/1.6.37: Generator cmake created conanbuildinfo.cmake
libpng/1.6.37: Calling build()

----Running------
> cd '/Users/jenkins/w/BuildSingleReference@2/.conan/data/libpng/1.6.37/_/_/build/9cb82b71c58d496b043165d4335fab601d05a0a9' && cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE="Release" -DCMAKE_OSX_ARCHITECTURES="arm64" -DCMAKE_SYSTEM_NAME="Darwin" -DCONAN_IN_LOCAL_CACHE="ON" -DCONAN_COMPILER="apple-clang" -DCONAN_COMPILER_VERSION="12.0" -DBUILD_SHARED_LIBS="ON" -DCMAKE_INSTALL_PREFIX="/Users/jenkins/w/BuildSingleReference@2/.conan/data/libpng/1.6.37/_/_/package/9cb82b71c58d496b043165d4335fab601d05a0a9" -DCMAKE_INSTALL_BINDIR="bin" -DCMAKE_INSTALL_SBINDIR="bin" -DCMAKE_INSTALL_LIBEXECDIR="bin" -DCMAKE_INSTALL_LIBDIR="lib" -DCMAKE_INSTALL_INCLUDEDIR="include" -DCMAKE_INSTALL_OLDINCLUDEDIR="include" -DCMAKE_INSTALL_DATAROOTDIR="share" -DCONAN_CMAKE_POSITION_INDEPENDENT_CODE="ON" -DCMAKE_MODULE_PATH="/Users/jenkins/w/BuildSingleReference@2/.conan/data/libpng/1.6.37/_/_/build/9cb82b71c58d496b043165d4335fab601d05a0a9" -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY="ON" -DCONAN_EXPORTED="1" -DPNG_TESTS="OFF" -DPNG_SHARED="True" -DPNG_STATIC="False" -DPNG_DEBUG="OFF" -DPNG_ARM_NEON="on" -Wno-dev '/Users/jenkins/w/BuildSingleReference@2/.conan/data/libpng/1.6.37/_/_/build/9cb82b71c58d496b043165d4335fab601d05a0a9'
-----------------
-- The C compiler identification is AppleClang 12.0.0.12000032
-- The CXX compiler identification is AppleClang 12.0.0.12000032
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /Library/Developer/CommandLineTools/usr/bin/cc - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /Library/Developer/CommandLineTools/usr/bin/c++ - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Conan CMake Wrapper
-- Conan: called by CMake conan helper
-- Conan: called inside local cache
-- Conan: Adjusting output directories
-- Conan: Using cmake global configuration
-- Conan: Adjusting default RPATHs Conan policies
-- Conan: Adjusting language standard
-- Conan: Adjusting fPIC flag (ON)
-- The ASM compiler identification is Clang
-- Found assembler: /Library/Developer/CommandLineTools/usr/bin/cc
-- Conan: Using autogenerated FindZLIB.cmake
-- Found ZLIB: 1.2.11 (found version "1.2.11") 
-- Library z found /Users/jenkins/w/BuildSingleReference@2/.conan/data/zlib/1.2.11/_/_/package/8fafab5ebfba468fd21a497cfee65cafe294bd9e/lib/libz.a
-- Found: /Users/jenkins/w/BuildSingleReference@2/.conan/data/zlib/1.2.11/_/_/package/8fafab5ebfba468fd21a497cfee65cafe294bd9e/lib/libz.a
-- Symbol prefix: 
-- Configuring done
-- Generating done
-- Build files have been written to: /Users/jenkins/w/BuildSingleReference@2/.conan/data/libpng/1.6.37/_/_/build/9cb82b71c58d496b043165d4335fab601d05a0a9

----Running------
> cmake --build '/Users/jenkins/w/BuildSingleReference@2/.conan/data/libpng/1.6.37/_/_/build/9cb82b71c58d496b043165d4335fab601d05a0a9' '--' '-j4'
-----------------
Scanning dependencies of target genfiles
Scanning dependencies of target png-fix-itxt
[  2%] Generating pnglibconf.c
[  5%] Generating pngprefix.h
[  8%] Generating scripts/pnglibconf.c
[ 10%] Building C object source_subfolder/CMakeFiles/png-fix-itxt.dir/contrib/tools/png-fix-itxt.c.o
[ 13%] Generating scripts/symbols.out
[ 16%] Generating pnglibconf.out
[ 18%] Linking C executable ../bin/png-fix-itxt
[ 21%] Generating scripts/symbols.chk
[ 21%] Built target png-fix-itxt
[ 24%] Generating pnglibconf.h
[ 27%] Generating scripts/prefix.out
[ 29%] Generating scripts/sym.out
[ 32%] Generating scripts/vers.out
[ 35%] Generating scripts/intprefix.out
[ 37%] Generating libpng.vers
[ 40%] Generating libpng.sym
[ 40%] Built target genfiles
Scanning dependencies of target png
[ 45%] Building C object source_subfolder/CMakeFiles/png.dir/png.c.o
[ 45%] Building C object source_subfolder/CMakeFiles/png.dir/pngerror.c.o
[ 48%] Building C object source_subfolder/CMakeFiles/png.dir/pngget.c.o
[ 51%] Building C object source_subfolder/CMakeFiles/png.dir/pngmem.c.o
[ 54%] Building C object source_subfolder/CMakeFiles/png.dir/pngpread.c.o
[ 56%] Building C object source_subfolder/CMakeFiles/png.dir/pngread.c.o
[ 59%] Building C object source_subfolder/CMakeFiles/png.dir/pngrio.c.o
[ 62%] Building C object source_subfolder/CMakeFiles/png.dir/pngrtran.c.o
[ 64%] Building C object source_subfolder/CMakeFiles/png.dir/pngrutil.c.o
[ 67%] Building C object source_subfolder/CMakeFiles/png.dir/pngset.c.o
[ 70%] Building C object source_subfolder/CMakeFiles/png.dir/pngtrans.c.o
[ 72%] Building C object source_subfolder/CMakeFiles/png.dir/pngwio.c.o
[ 75%] Building C object source_subfolder/CMakeFiles/png.dir/pngwrite.c.o
[ 78%] Building C object source_subfolder/CMakeFiles/png.dir/pngwtran.c.o
[ 81%] Building C object source_subfolder/CMakeFiles/png.dir/pngwutil.c.o
[ 83%] Linking C shared library ../lib/libpng16.dylib
libpng/1.6.37: 
libpng/1.6.37: WARN: Build folder is dirty, removing it: /Users/jenkins/w/BuildSingleReference@2/.conan/data/libpng/1.6.37/_/_/build/9cb82b71c58d496b043165d4335fab601d05a0a9
[HOOK - conan-center.py] pre_build(): ERROR: [FPIC MANAGEMENT (KB-H007)] 'fPIC' option not managed correctly. Please remove it for shared option: del self.options.fpic (https://github.com/conan-io/conan-center-index/blob/master/docs/error_knowledge_base.md#KB-H007) 
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    PNG_ARM_NEON


Undefined symbols for architecture arm64:
  "_png_do_expand_palette_rgb8_neon", referenced from:
      _png_do_read_transformations in pngrtran.c.o
  "_png_do_expand_palette_rgba8_neon", referenced from:
      _png_do_read_transformations in pngrtran.c.o
  "_png_init_filter_functions_neon", referenced from:
      _png_read_filter_row in pngrutil.c.o
  "_png_riffle_palette_neon", referenced from:
      _png_do_read_transformations in pngrtran.c.o
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make[2]: *** [lib/libpng16.16.37.0.dylib] Error 1
make[1]: *** [source_subfolder/CMakeFiles/png.dir/all] Error 2
make: *** [all] Error 2
libpng/1.6.37: ERROR: Package '9cb82b71c58d496b043165d4335fab601d05a0a9' build failed
libpng/1.6.37: WARN: Build folder /Users/jenkins/w/BuildSingleReference@2/.conan/data/libpng/1.6.37/_/_/build/9cb82b71c58d496b043165d4335fab601d05a0a9
ERROR: libpng/1.6.37: Error in build() method, line 79
	cmake.build()
	ConanException: Error 2 while executing cmake --build '/Users/jenkins/w/BuildSingleReference@2/.conan/data/libpng/1.6.37/_/_/build/9cb82b71c58d496b043165d4335fab601d05a0a9' '--' '-j4'