Project WARNING: QwtDesigner is enabled in qwtconfig.pri, but Qt has not been built with designer support CMake Warning: Manually-specified variables were not used by the project: CMAKE_EXPORT_NO_PACKAGE_REGISTRY In file included from /home/conan/w/cci_PR-4528/2/c328320d-bfb8-40ab-9290-1e5cf0b3f54b/recipes/qwt/all/test_package/example.cpp:1: In file included from /home/conan/w/cci_PR-4528/.conan/data/qwt/6.1.6/_/_/package/a665c9d7c2b798d72afff6a8dab0e2cd5875290e/include/qwt_plot.h:13: In file included from /home/conan/w/cci_PR-4528/.conan/data/qwt/6.1.6/_/_/package/a665c9d7c2b798d72afff6a8dab0e2cd5875290e/include/qwt_global.h:13: In file included from /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:105: /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qcompilerdetection.h:590:6: error: Qt requires a C++11 compiler and yours does not seem to be that. # error Qt requires a C++11 compiler and yours does not seem to be that. ^ In file included from /home/conan/w/cci_PR-4528/2/c328320d-bfb8-40ab-9290-1e5cf0b3f54b/recipes/qwt/all/test_package/example.cpp:1: In file included from /home/conan/w/cci_PR-4528/.conan/data/qwt/6.1.6/_/_/package/a665c9d7c2b798d72afff6a8dab0e2cd5875290e/include/qwt_plot.h:13: In file included from /home/conan/w/cci_PR-4528/.conan/data/qwt/6.1.6/_/_/package/a665c9d7c2b798d72afff6a8dab0e2cd5875290e/include/qwt_global.h:13: /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:391:1: error: unknown type name 'constexpr' constexpr Q_DECL_UNUSED Deprecated_t Deprecated = {}; ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:391:11: error: expected unqualified-id constexpr Q_DECL_UNUSED Deprecated_t Deprecated = {}; ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qcompilerdetection.h:229:29: note: expanded from macro 'Q_DECL_UNUSED' # define Q_DECL_UNUSED __attribute__((__unused__)) ^ In file included from /home/conan/w/cci_PR-4528/2/c328320d-bfb8-40ab-9290-1e5cf0b3f54b/recipes/qwt/all/test_package/example.cpp:1: In file included from /home/conan/w/cci_PR-4528/.conan/data/qwt/6.1.6/_/_/package/a665c9d7c2b798d72afff6a8dab0e2cd5875290e/include/qwt_plot.h:13: In file included from /home/conan/w/cci_PR-4528/.conan/data/qwt/6.1.6/_/_/package/a665c9d7c2b798d72afff6a8dab0e2cd5875290e/include/qwt_global.h:13: /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:663:1: error: unknown type name 'constexpr' constexpr inline const T &qMin(const T &a, const T &b) { return (a < b) ? a : b; } ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:663:11: error: expected unqualified-id constexpr inline const T &qMin(const T &a, const T &b) { return (a < b) ? a : b; } ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:794:65: error: expected function body after function declarator Q_NORETURN Q_DECL_COLD_FUNCTION Q_CORE_EXPORT void qTerminate() noexcept; ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:802:57: error: expected function body after function declarator Q_CORE_EXPORT Q_DECL_CONST_FUNCTION bool qSharedBuild() noexcept; ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:845:81: error: expected function body after function declarator Q_CORE_EXPORT void qt_assert(const char *assertion, const char *file, int line) noexcept; ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:859:97: error: expected function body after function declarator Q_CORE_EXPORT void qt_assert_x(const char *where, const char *what, const char *file, int line) noexcept; ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:869:67: error: expected function body after function declarator Q_NORETURN Q_CORE_EXPORT void qt_check_pointer(const char *, int) noexcept; ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:894:47: error: use of undeclared identifier 'qMin' return (qAbs(p1 - p2) * 1000000000000. <= qMin(qAbs(p1), qAbs(p2))); ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:899:41: error: use of undeclared identifier 'qMin' return (qAbs(p1 - p2) * 100000.f <= qMin(qAbs(p1), qAbs(p2))); ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:917:87: error: expected function body after function declarator Q_REQUIRED_RESULT Q_DECL_CONSTEXPR static inline Q_DECL_UNUSED bool qIsNull(double d) noexcept ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:1036:12: error: expected expression return QT_3ARG_ALG(is_permutation, first1, last1, first2, last2); ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:1027:5: note: expanded from macro 'QT_3ARG_ALG' [&f1, &l1, &f2, &l2]() { \ ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:1042:66: error: expected ';' at end of declaration Q_DECL_CONSTEXPR typename std::add_const::type &qAsConst(T &t) noexcept { return t; } ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:1042:67: error: C++ requires a type specifier for all declarations Q_DECL_CONSTEXPR typename std::add_const::type &qAsConst(T &t) noexcept { return t; } ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:1042:75: error: expected ';' after top level declarator Q_DECL_CONSTEXPR typename std::add_const::type &qAsConst(T &t) noexcept { return t; } ^ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:1135:32: error: 'auto' not allowed in function return type template inline auto qGetPtrHelper(Ptr &ptr) -> decltype(ptr.operator->()) { return ptr.operator->(); } ^~~~ /home/conan/w/cci_PR-4528/.conan/data/qt/5.15.2/_/_/package/6ef22584d1e457d9b676fe8320c6271a11f07266/include/QtCore/qglobal.h:1135:60: error: expected ';' at end of declaration template inline auto qGetPtrHelper(Ptr &ptr) -> decltype(ptr.operator->()) { return ptr.operator->(); } ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. make[2]: *** [CMakeFiles/example.dir/example.cpp.o] Error 1 make[1]: *** [CMakeFiles/example.dir/all] Error 2 make: *** [all] Error 2 ERROR: qwt/6.1.6 (test package): Error in build() method, line 11 cmake.build() ConanException: Error 2 while executing cmake --build '/home/conan/w/cci_PR-4528/2/c328320d-bfb8-40ab-9290-1e5cf0b3f54b/recipes/qwt/all/test_package/build/594a23b8d4d0e2f5688f3c3e8dc9d2964fae9a69' '--' '-j3'