********************************************************************************
conan test conan-center-index/recipes/refl-cpp/all/test_package/conanfile.py refl-cpp/0.12.1@ --profile=/home/conan/w/BuildSingleReference/8920/22f87ec3-4d84-4512-94a3-03a375a6e57c/profile.txt
********************************************************************************
Configuration:
[settings]
arch=x86_64
arch_build=x86_64
build_type=Release
compiler=gcc
compiler.libcxx=libstdc++
compiler.version=4.9
os=Linux
os_build=Linux
[options]
[build_requires]
[env]

refl-cpp/0.12.1 (test package): Installing package
Requirements
    refl-cpp/0.12.1 from local cache - Cache
Packages
    refl-cpp/0.12.1:5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9 - Cache

Installing (downloading, building) binaries...
refl-cpp/0.12.1: 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
refl-cpp/0.12.1 (test package): Generator cmake created conanbuildinfo.cmake
refl-cpp/0.12.1 (test package): Generator txt created conanbuildinfo.txt
refl-cpp/0.12.1 (test package): Generated conaninfo.txt
refl-cpp/0.12.1 (test package): Generated graphinfo
Using lockfile: '/home/conan/w/BuildSingleReference/conan-center-index/recipes/refl-cpp/all/test_package/build/dfae4d6ba682b8d9c5630c4c912db585c2a46c64/conan.lock'
Using cached profile from lockfile
[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
refl-cpp/0.12.1 (test package): Calling build()

----Running------
> cd '/home/conan/w/BuildSingleReference/conan-center-index/recipes/refl-cpp/all/test_package/build/dfae4d6ba682b8d9c5630c4c912db585c2a46c64' && cmake -G "Unix Makefiles" -DCMAKE_BUILD_TYPE="Release" -DCONAN_IN_LOCAL_CACHE="OFF" -DCONAN_COMPILER="gcc" -DCONAN_COMPILER_VERSION="4.9" -DCONAN_CXX_FLAGS="-m64" -DCONAN_SHARED_LINKER_FLAGS="-m64" -DCONAN_C_FLAGS="-m64" -DCONAN_LIBCXX="libstdc++" -DCMAKE_INSTALL_PREFIX="/home/conan/w/BuildSingleReference/conan-center-index/recipes/refl-cpp/all/test_package/build/dfae4d6ba682b8d9c5630c4c912db585c2a46c64/package" -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" -DCMAKE_EXPORT_NO_PACKAGE_REGISTRY="ON" -DCONAN_EXPORTED="1" -Wno-dev '/home/conan/w/BuildSingleReference/conan-center-index/recipes/refl-cpp/all/test_package'
-----------------
-- The CXX compiler identification is GNU 4.9.4
-- 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: Adjusting output directories
-- Conan: Using cmake global configuration
-- Conan: Adjusting default RPATHs Conan policies
-- Conan: Adjusting language standard
-- Conan: Checking correct version: 4.9
-- Conan: C++ stdlib: libstdc++
-- Configuring done
-- Generating done
-- Build files have been written to: /home/conan/w/BuildSingleReference/conan-center-index/recipes/refl-cpp/all/test_package/build/dfae4d6ba682b8d9c5630c4c912db585c2a46c64

----Running------
> cmake --build '/home/conan/w/BuildSingleReference/conan-center-index/recipes/refl-cpp/all/test_package/build/dfae4d6ba682b8d9c5630c4c912db585c2a46c64' '--' '-j3'
-----------------
Scanning dependencies of target example
[ 50%] Building CXX object CMakeFiles/example.dir/example.cpp.o
CMake Warning:
  Manually-specified variables were not used by the project:

    CMAKE_EXPORT_NO_PACKAGE_REGISTRY
    CMAKE_INSTALL_BINDIR
    CMAKE_INSTALL_DATAROOTDIR
    CMAKE_INSTALL_INCLUDEDIR
    CMAKE_INSTALL_LIBDIR
    CMAKE_INSTALL_LIBEXECDIR
    CMAKE_INSTALL_OLDINCLUDEDIR
    CMAKE_INSTALL_SBINDIR


In file included from /home/conan/w/BuildSingleReference/conan-center-index/recipes/refl-cpp/all/test_package/example.cpp:1:0:
/home/conan/w/BuildSingleReference/.conan/data/refl-cpp/0.12.1/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/include/refl.hpp:30:20: fatal error: optional: No such file or directory
 #include <optional>
                    ^
compilation terminated.
make[2]: *** [CMakeFiles/example.dir/example.cpp.o] Error 1
make[1]: *** [CMakeFiles/example.dir/all] Error 2
make: *** [all] Error 2
refl-cpp/0.12.1: WARN: Lib folder doesn't exist, can't collect libraries: /home/conan/w/BuildSingleReference/.conan/data/refl-cpp/0.12.1/_/_/package/5ab84d6acfe1f23c4fae0ab88f26e3a396351ac9/lib
[HOOK - conan-center.py] post_package_info(): WARN: [LIBRARY DOES NOT EXIST (KB-H054)] Component refl-cpp::refl-cpp libdir "lib" does not contain any declared library
ERROR: refl-cpp/0.12.1 (test package): Error in build() method, line 12
	cmake.build()
	ConanException: Error 2 while executing cmake --build '/home/conan/w/BuildSingleReference/conan-center-index/recipes/refl-cpp/all/test_package/build/dfae4d6ba682b8d9c5630c4c912db585c2a46c64' '--' '-j3'