Auto detecting your dev setup to initialize the default profile (/tmp/c3ipr/pr_1197_2_0_94/.conan/profiles/default)
Found apple-clang 11.0
Default settings
	os=Macos
	os_build=Macos
	arch=x86_64
	arch_build=x86_64
	compiler=apple-clang
	compiler.version=11.0
	compiler.libcxx=libc++
	build_type=Release
*** You can change them in /tmp/c3ipr/pr_1197_2_0_94/.conan/profiles/default ***
*** Or override with -s compiler='other' -s ...s***


[HOOK - conan-center.py] pre_export(): [DEPRECATED GLOBAL CPPSTD (KB-H001)] OK
[HOOK - conan-center.py] pre_export(): [REFERENCE LOWERCASE (KB-H002)] OK
[HOOK - conan-center.py] pre_export(): [RECIPE METADATA (KB-H003)] OK
[HOOK - conan-center.py] pre_export(): [HEADER_ONLY, NO COPY SOURCE (KB-H005)] OK
[HOOK - conan-center.py] pre_export(): [FPIC OPTION (KB-H006)] OK
[HOOK - conan-center.py] pre_export(): [VERSION RANGES (KB-H008)] OK
[HOOK - conan-center.py] pre_export(): [RECIPE FOLDER SIZE (KB-H009)] Total recipe size: 37.46484375 KB
[HOOK - conan-center.py] pre_export(): [RECIPE FOLDER SIZE (KB-H009)] OK
[HOOK - conan-center.py] pre_export(): [EXPORT LICENSE (KB-H023)] exports: None
[HOOK - conan-center.py] pre_export(): [EXPORT LICENSE (KB-H023)] exports: ('CMakeLists.txt', 'patches/**')
[HOOK - conan-center.py] pre_export(): [EXPORT LICENSE (KB-H023)] OK
[HOOK - conan-center.py] pre_export(): [TEST PACKAGE FOLDER (KB-H024)] OK
[HOOK - conan-center.py] pre_export(): [META LINES (KB-H025)] OK
[HOOK - conan-center.py] pre_export(): [CONAN CENTER INDEX URL (KB-H027)] OK
[HOOK - conan-center.py] pre_export(): [CMAKE MINIMUM VERSION (KB-H028)] OK
[HOOK - conan-center.py] pre_export(): [TEST PACKAGE - RUN ENVIRONMENT (KB-H029)] OK
[HOOK - conan-center.py] pre_export(): [SYSTEM REQUIREMENTS (KB-H032)] OK
[HOOK - conan-center.py] pre_export(): [CONANDATA.YML FORMAT (KB-H030)] OK
[HOOK - conan-center.py] pre_export(): [TEST PACKAGE - NO IMPORTS() (KB-H034)] OK
[HOOK - conan-center.py] pre_export(): [NO AUTHOR (KB-H037)] OK
[HOOK - conan-center.py] pre_export(): [NO TARGET NAME (KB-H040)] OK
Exporting package recipe
gc/8.0.4 exports: File 'conandata.yml' found. Exporting it...
gc/8.0.4 exports: Copied 1 '.yml' file: conandata.yml
gc/8.0.4 exports_sources: Copied 1 '.txt' file: CMakeLists.txt
gc/8.0.4 exports_sources: Copied 1 '.patch' file: update-cmake.patch
[HOOK - conan-center.py] post_export(): [CONANDATA.YML REDUCE (KB-H031)] Saving conandata.yml: {'sources': {'8.0.4': {'url': 'https://github.com/ivmai/bdwgc/releases/download/v8.0.4/gc-8.0.4.tar.gz', 'sha256': '436a0ddc67b1ac0b0405b61a9675bca9e075c8156f4debd1d06f3a56c7cd289d'}}, 'patches': {'8.0.4': [{'patch_file': 'patches/update-cmake.patch', 'base_path': 'source_subfolder'}]}}
[HOOK - conan-center.py] post_export(): [CONANDATA.YML REDUCE (KB-H031)] New conandata.yml contents: patches:
  8.0.4:
  - base_path: source_subfolder
    patch_file: patches/update-cmake.patch
sources:
  8.0.4:
    sha256: 436a0ddc67b1ac0b0405b61a9675bca9e075c8156f4debd1d06f3a56c7cd289d
    url: https://github.com/ivmai/bdwgc/releases/download/v8.0.4/gc-8.0.4.tar.gz

[HOOK - conan-center.py] post_export(): [CONANDATA.YML REDUCE (KB-H031)] OK
gc/8.0.4: A new conanfile.py version was exported
gc/8.0.4: Folder: /tmp/c3ipr/pr_1197_2_0_94/.conan/data/gc/8.0.4/_/_/export
gc/8.0.4: Using the exported files summary hash as the recipe revision: f67c7dfca953fa4d3c0a8289b1612c4e 
gc/8.0.4: Exported revision: f67c7dfca953fa4d3c0a8289b1612c4e
Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Debug
compiler=apple-clang
compiler.libcxx=libc++
compiler.version=11.0
os=Macos
os_build=Macos
[options]
gc:shared=True
[build_requires]
[env]

gc/8.0.4: Forced build from source
gc/8.0.4 (test package): Installing package
Requirements
    gc/8.0.4 from local cache - Cache
Packages
    gc/8.0.4:656d3f254378c185039ea1ca19f906564cdce191 - Build

[HOOK - conan-center.py] pre_source(): [IMMUTABLE SOURCES (KB-H010)] OK
gc/8.0.4: Configuring sources in /tmp/c3ipr/pr_1197_2_0_94/.conan/data/gc/8.0.4/_/_/source

[HOOK - conan-center.py] post_source(): [LIBCXX MANAGEMENT (KB-H011)] OK
[HOOK - conan-center.py] post_source(): [CPPSTD MANAGEMENT (KB-H022)] OK
gc/8.0.4: Copying sources to build folder
gc/8.0.4: Building your package in /tmp/c3ipr/pr_1197_2_0_94/.conan/data/gc/8.0.4/_/_/build/656d3f254378c185039ea1ca19f906564cdce191
gc/8.0.4: Generator cmake created conanbuildinfo.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
gc/8.0.4: Calling build()
-- The C compiler identification is AppleClang 11.0.0.11000033
-- The CXX compiler identification is AppleClang 11.0.0.11000033
-- Check for working C compiler: /Applications/Xcode-11.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc
-- Check for working C compiler: /Applications/Xcode-11.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/cc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Detecting C compile features
-- Detecting C compile features - done
-- Check for working CXX compiler: /Applications/Xcode-11.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++
-- Check for working CXX compiler: /Applications/Xcode-11.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- 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: C++ stdlib: libc++
-- TARGET = x86_64-unknown-darwin-18.7.0
-- Looking for pthread.h
-- Looking for pthread.h - not found
CMake Error at /usr/local/Cellar/cmake/3.15.3/share/cmake/Modules/FindPackageHandleStandardArgs.cmake:137 (message):
  Could NOT find Threads (missing: Threads_FOUND)
Call Stack (most recent call first):
  /usr/local/Cellar/cmake/3.15.3/share/cmake/Modules/FindPackageHandleStandardArgs.cmake:378 (_FPHSA_FAILURE_MESSAGE)
  /usr/local/Cellar/cmake/3.15.3/share/cmake/Modules/FindThreads.cmake:220 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
  source_subfolder/CMakeLists.txt:114 (find_package)


-- Configuring incomplete, errors occurred!
See also "/tmp/c3ipr/pr_1197_2_0_94/.conan/data/gc/8.0.4/_/_/build/656d3f254378c185039ea1ca19f906564cdce191/CMakeFiles/CMakeOutput.log".
See also "/tmp/c3ipr/pr_1197_2_0_94/.conan/data/gc/8.0.4/_/_/build/656d3f254378c185039ea1ca19f906564cdce191/CMakeFiles/CMakeError.log".
gc/8.0.4: 

JSON file created at '/private/tmp/c3ipr/pr_1197_2_0_94/_create.json'