********************************************************************************
conan install caf/0.18.0@ --profile=/home/conan/w/BuildSingleReference/6896/07a6acc7-28a0-47e7-9a80-4b9429e66741/profile.txt --build=caf
********************************************************************************
Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++
compiler.version=6
os=Linux
os_build=Linux
[options]
caf:shared=False
[build_requires]
[env]

caf/0.18.0: Forced build from source
Installing package: caf/0.18.0
Requirements
    caf/0.18.0 from local cache - Cache
    openssl/1.1.1j from 'conan-center' - Cache
Packages
    caf/0.18.0:bba11d2cd3c737cbbb1ca8d0596c47b03421501d - Build
    openssl/1.1.1j:f7e573cb501ccfc49e9e4d84de886bc1ef2e6ebb - Cache

Installing (downloading, building) binaries...
openssl/1.1.1j: 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
caf/0.18.0: Copying sources to build folder
caf/0.18.0: Building your package in /home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d
caf/0.18.0: Generator cmake created conanbuildinfo.cmake
caf/0.18.0: Generator cmake_find_package created FindOpenSSL.cmake
[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
caf/0.18.0: Calling build()

----Running------
> cd '/home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d/build_subfolder' && cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE="Release" -DCONAN_IN_LOCAL_CACHE="ON" -DCONAN_COMPILER="gcc" -DCONAN_COMPILER_VERSION="6" -DCONAN_CXX_FLAGS="-m64" -DCONAN_SHARED_LINKER_FLAGS="-m64" -DCONAN_C_FLAGS="-m64" -DCONAN_LIBCXX="libstdc++" -DBUILD_SHARED_LIBS="OFF" -DCMAKE_INSTALL_PREFIX="/home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/package/bba11d2cd3c737cbbb1ca8d0596c47b03421501d" -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="/home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d" -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY="ON" -DCONAN_EXPORTED="1" -DCMAKE_CXX_STANDARD="17" -DCAF_NO_AUTO_LIBCPP="True" -DCAF_NO_OPENSSL="False" -DCAF_ENABLE_EXAMPLES="OFF" -DCAF_ENABLE_TOOLS="OFF" -DCAF_ENABLE_TESTING="OFF" -DCAF_LOG_LEVEL="QUIET" -DPTHREAD_LIBRARIES="-pthread" -Wno-dev '/home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d'
-----------------
-- The C compiler identification is GNU 6.4.0
-- The CXX compiler identification is GNU 6.4.0
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /usr/bin/gcc - 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: /usr/bin/g++ - skipped
-- 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: Adjusting fPIC flag (ON)
-- Conan: Compiler GCC>=5, checking major version 6
-- Conan: Checking correct version: 6
-- Conan: C++ stdlib: libstdc++
-- Configuring incomplete, errors occurred!
See also "/home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d/build_subfolder/CMakeFiles/CMakeOutput.log".
caf/0.18.0: 
CMake Error at source_subfolder/CMakeLists.txt:138 (message):
  

  Fatal error: unable activate C++17 mode!

  Please see README.md for supported compilers.

  

  try_compile output:

  Change Dir:
  /home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d/build_subfolder/source_subfolder/CMakeFiles/CMakeTmp


  

  Run Build Command(s):/usr/bin/make cmTC_86468/fast && /usr/bin/make -f
  CMakeFiles/cmTC_86468.dir/build.make CMakeFiles/cmTC_86468.dir/build

  make[1]: Entering directory
  '/home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d/build_subfolder/source_subfolder/CMakeFiles/CMakeTmp'


  Building CXX object CMakeFiles/cmTC_86468.dir/check-compiler-features.cpp.o

  /usr/bin/g++ -m64 -fPIE -std=c++17 -std=gnu++1z -o
  CMakeFiles/cmTC_86468.dir/check-compiler-features.cpp.o -c
  /home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d/source_subfolder/cmake/check-compiler-features.cpp


  
  /home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d/source_subfolder/cmake/check-compiler-features.cpp:2:4:
  error: #error "Noexcept not part of the type system
  (__cpp_noexcept_function_type)"

   #  error "Noexcept not part of the type system (__cpp_noexcept_function_type)"
      ^~~~~

  
  /home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d/source_subfolder/cmake/check-compiler-features.cpp:10:4:
  error: #error "No support for 'if constexpr' (__cpp_if_constexpr)"

   #  error "No support for 'if constexpr' (__cpp_if_constexpr)"
      ^~~~~

  
  /home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d/source_subfolder/cmake/check-compiler-features.cpp:15:35:
  warning: ‘maybe_unused’ attribute directive ignored [-Wattributes]

   [[maybe_unused]] thread_local int foo;
                                     ^~~

  CMakeFiles/cmTC_86468.dir/build.make:84: recipe for target
  'CMakeFiles/cmTC_86468.dir/check-compiler-features.cpp.o' failed

  make[1]: *** [CMakeFiles/cmTC_86468.dir/check-compiler-features.cpp.o]
  Error 1

  make[1]: Leaving directory
  '/home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d/build_subfolder/source_subfolder/CMakeFiles/CMakeTmp'


  Makefile:140: recipe for target 'cmTC_86468/fast' failed

  make: *** [cmTC_86468/fast] Error 2

  



[HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component openssl::openssl libdir "lib" does not contain any declared library
caf/0.18.0: WARN: Build folder is dirty, removing it: /home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d
caf/0.18.0: ERROR: Package 'bba11d2cd3c737cbbb1ca8d0596c47b03421501d' build failed
caf/0.18.0: WARN: Build folder /home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d
ERROR: caf/0.18.0: Error in build() method, line 100
	cmake = self._cmake_configure()
while calling '_cmake_configure', line 93
	self._cmake.configure(build_folder=self._build_subfolder)
	ConanException: Error 1 while executing cd '/home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d/build_subfolder' && cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE="Release" -DCONAN_IN_LOCAL_CACHE="ON" -DCONAN_COMPILER="gcc" -DCONAN_COMPILER_VERSION="6" -DCONAN_CXX_FLAGS="-m64" -DCONAN_SHARED_LINKER_FLAGS="-m64" -DCONAN_C_FLAGS="-m64" -DCONAN_LIBCXX="libstdc++" -DBUILD_SHARED_LIBS="OFF" -DCMAKE_INSTALL_PREFIX="/home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/package/bba11d2cd3c737cbbb1ca8d0596c47b03421501d" -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="/home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d" -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY="ON" -DCONAN_EXPORTED="1" -DCMAKE_CXX_STANDARD="17" -DCAF_NO_AUTO_LIBCPP="True" -DCAF_NO_OPENSSL="False" -DCAF_ENABLE_EXAMPLES="OFF" -DCAF_ENABLE_TOOLS="OFF" -DCAF_ENABLE_TESTING="OFF" -DCAF_LOG_LEVEL="QUIET" -DPTHREAD_LIBRARIES="-pthread" -Wno-dev '/home/conan/w/BuildSingleReference/.conan/data/caf/0.18.0/_/_/build/bba11d2cd3c737cbbb1ca8d0596c47b03421501d'