Beyond static_assert failures and overflow/underflow of long long it also it complains in some cases about: static_assert expression is not an integral constant expression [I will note that attempting a gcc 4.2.1 build did not stop and report such things for its libstdc++. The below is somehow libc++ and/or clang 4 specific.] Context: # uname -apKU FreeBSD FreeBSDx64OPC 12.0-CURRENT FreeBSD 12.0-CURRENT r320458M amd64 amd64 1200036 1200036 buildworld for TARGET_ARCH=powerpc resulted in: --- filesystem/operations.o --- /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:579:1: error: static_assert failed "" static_assert(is_representable({max_time_t, 999999999}), ""); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:580:1: error: static_assert failed "" static_assert(is_representable({max_time_t, 1000000000}), ""); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:581:1: error: static_assert failed "" static_assert(is_representable({min_time_t, 0}), ""); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:603:1: error: static_assert failed "" static_assert(!is_representable(file_time_type::max()), ""); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:604:1: error: static_assert failed "" static_assert(!is_representable(file_time_type::min()), ""); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:605:15: error: static_assert expression is not an integral constant expression static_assert(is_representable(file_time_type(seconds(max_time_t))), ""); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/src/contrib/libc++/include/chrono:386:59: note: value 9223372036854775807000000 is outside the range of representable values of type 'long long' static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num))); ^ /usr/src/contrib/libc++/include/chrono:413:12: note: in call to '&__duration_cast<duration<long long, std::__1::ratio<1, 1> >, std::__1::chrono::duration<long long, std::__1::ratio<1, 1000000> > >()->operator()(seconds(max_time_t))' return __duration_cast<duration<_Rep, _Period>, _ToDuration>()(__fd); ^ /usr/src/contrib/libc++/include/chrono:560:26: note: in call to 'duration_cast(seconds(max_time_t))' : __rep_(_VSTD::chrono::duration_cast<duration>(__d).count()) {} ^ /usr/src/contrib/libc++/include/__config:390:15: note: expanded from macro '_VSTD' #define _VSTD std::_LIBCPP_NAMESPACE ^ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:605:47: note: in call to 'duration(seconds(max_time_t), 0)' static_assert(is_representable(file_time_type(seconds(max_time_t))), ""); ^ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:606:15: error: static_assert expression is not an integral constant expression static_assert(is_representable(file_time_type(seconds(min_time_t))), ""); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/src/contrib/libc++/include/chrono:386:59: note: value -9223372036854775808000000 is outside the range of representable values of type 'long long' static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num))); ^ /usr/src/contrib/libc++/include/chrono:413:12: note: in call to '&__duration_cast<duration<long long, std::__1::ratio<1, 1> >, std::__1::chrono::duration<long long, std::__1::ratio<1, 1000000> > >()->operator()(seconds(min_time_t))' return __duration_cast<duration<_Rep, _Period>, _ToDuration>()(__fd); ^ /usr/src/contrib/libc++/include/chrono:560:26: note: in call to 'duration_cast(seconds(min_time_t))' : __rep_(_VSTD::chrono::duration_cast<duration>(__d).count()) {} ^ /usr/src/contrib/libc++/include/__config:390:15: note: expanded from macro '_VSTD' #define _VSTD std::_LIBCPP_NAMESPACE ^ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:606:47: note: in call to 'duration(seconds(min_time_t), 0)' static_assert(is_representable(file_time_type(seconds(min_time_t))), ""); ^ . . . --- lib__L --- 7 errors generated. *** [filesystem/operations.o] Error code 1 make[5]: stopped in /usr/src/lib/libc++experimental .ERROR_TARGET='filesystem/operations.o' .ERROR_META_FILE='/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/lib/libc++experimental/_usr_obj_powerpcvtsc_clang_powerpc.powerpc_usr_src_lib_libc++experimental_filesystem_operations.o.meta' .MAKE.LEVEL='5' MAKEFILE='' .MAKE.MODE='meta missing-filemon=yes missing-meta=yes silent=yes verbose' _ERROR_CMD='c++ -target powerpc-unknown-freebsd12.0 --sysroot=/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/tmp -B/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/tmp/usr/bin -O2 -pipe -fstack-protector-strong -Wno-empty-body -Wno-string-plus-int -Wno-unused-const-variable -Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality -Wno-unused-function -Wno-enum-conversion -Wno-unused-local-typedef -Wno-address-of-packed-member -Wno-switch -Wno-switch-enum -Wno-knr-promoted-parameter -Wno-parentheses -Qunused-arguments -fpic -isystem /usr/src/contrib/libc++/include -nostdinc++ -nostdlib -D_LIBCPP_BUILDING_LIBRARY -DLIBCXXRT -std=c++14 -Wno-c++11-extensions -c /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp -o filesystem/operations.o;' .CURDIR='/usr/src/lib/libc++experimental' # more /usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/lib/libc++experimental/_usr_obj_powerpcvtsc_clang_powerpc.powerpc_usr_src_lib_libc++experimental_filesystem_operations.o.meta # Meta data file /usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/lib/libc++experimental/_usr_obj_powerpcvtsc_clang_powerpc.powerpc_usr_src_lib_libc++experimental_filesystem_operations.o.meta CMD c++ -target powerpc-unknown-freebsd12.0 --sysroot=/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/tmp -B/usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/tmp/usr/bin -O2 -pipe -fstack-protector-strong -Wno-empty-body -Wno-string-plus-int -Wno-unused-const-variable -Wno-tautological-compare -Wno-unused-value -Wno-parentheses-equality -Wno-unused-function -Wno-enum-conversion -Wno-unused-local-typedef -Wno-address-of-packed-member -Wno-switch -Wno-switch-enum -Wno-knr-promoted-parameter -Wno-parentheses -Qunused-arguments -fpic -isystem /usr/src/contrib/libc++/include -nostdinc++ -nostdlib -D_LIBCPP_BUILDING_LIBRARY -DLIBCXXRT -std=c++14 -Wno-c++11-extensions -c /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp -o filesystem/operations.o CWD /usr/obj/powerpcvtsc_clang/powerpc.powerpc/usr/src/lib/libc++experimental TARGET filesystem/operations.o -- command output -- /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:579:1: error: static_assert failed "" static_assert(is_representable({max_time_t, 999999999}), ""); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:580:1: error: static_assert failed "" static_assert(is_representable({max_time_t, 1000000000}), ""); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:581:1: error: static_assert failed "" static_assert(is_representable({min_time_t, 0}), ""); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:603:1: error: static_assert failed "" static_assert(!is_representable(file_time_type::max()), ""); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:604:1: error: static_assert failed "" static_assert(!is_representable(file_time_type::min()), ""); ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:605:15: error: static_assert expression is not an integral constant expression static_assert(is_representable(file_time_type(seconds(max_time_t))), ""); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/src/contrib/libc++/include/chrono:386:59: note: value 9223372036854775807000000 is outside the range of representable values of type 'long long' static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num))); ^ /usr/src/contrib/libc++/include/chrono:413:12: note: in call to '&__duration_cast<duration<long long, std::__1::ratio<1, 1> >, std::__1::chrono::duration<long long, std::__1::ratio<1, 1000000> > >()->operator()(seconds(max_time_t))' return __duration_cast<duration<_Rep, _Period>, _ToDuration>()(__fd); ^ /usr/src/contrib/libc++/include/chrono:560:26: note: in call to 'duration_cast(seconds(max_time_t))' : __rep_(_VSTD::chrono::duration_cast<duration>(__d).count()) {} ^ /usr/src/contrib/libc++/include/__config:390:15: note: expanded from macro '_VSTD' #define _VSTD std::_LIBCPP_NAMESPACE ^ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:605:47: note: in call to 'duration(seconds(max_time_t), 0)' static_assert(is_representable(file_time_type(seconds(max_time_t))), ""); ^ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:606:15: error: static_assert expression is not an integral constant expression static_assert(is_representable(file_time_type(seconds(min_time_t))), ""); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ /usr/src/contrib/libc++/include/chrono:386:59: note: value -9223372036854775808000000 is outside the range of representable values of type 'long long' static_cast<_Ct>(__fd.count()) * static_cast<_Ct>(_Period::num))); ^ /usr/src/contrib/libc++/include/chrono:413:12: note: in call to '&__duration_cast<duration<long long, std::__1::ratio<1, 1> >, std::__1::chrono::duration<long long, std::__1::ratio<1, 1000000> > >()->operator()(seconds(min_time_t))' return __duration_cast<duration<_Rep, _Period>, _ToDuration>()(__fd); ^ /usr/src/contrib/libc++/include/chrono:560:26: note: in call to 'duration_cast(seconds(min_time_t))' : __rep_(_VSTD::chrono::duration_cast<duration>(__d).count()) {} ^ /usr/src/contrib/libc++/include/__config:390:15: note: expanded from macro '_VSTD' #define _VSTD std::_LIBCPP_NAMESPACE ^ /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp:606:47: note: in call to 'duration(seconds(min_time_t), 0)' static_assert(is_representable(file_time_type(seconds(min_time_t))), ""); ^ 7 errors generated. *** Error code 1 Build configuration: # svnlite info /usr/src/ | grep "Re[plv]" Relative URL: ^/head Repository Root: svn://svn.freebsd.org/base Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f Revision: 320458 Last Changed Rev: 320458 # more ~/sys_build_scripts.amd64-host/make_powerpcvtsc_nodebug_clang_bootstrap-amd64-host.sh kldload -n filemon && \ script ~/sys_typescripts/typescript_make_powerpcvtsc_nodebug_clang_bootstrap-amd64-host-$(date +%Y-%m-%d:%H:%M:%S) \ env __MAKE_CONF="/root/src.configs/make.conf" SRCCONF="/dev/null" SRC_ENV_CONF="/root/src.configs/src.conf.powerpc-clang-bootstrap.amd64-host" \ WITH_META_MODE=yes \ MAKEOBJDIRPREFIX="/usr/obj/powerpcvtsc_clang" \ make $* # more /root/src.configs/src.conf.powerpc-clang-bootstrap.amd64-host TO_TYPE=powerpc # KERNCONF=GENERICvtsc-NODBG TARGET=${TO_TYPE} .if ${.MAKE.LEVEL} == 0 TARGET_ARCH=${TO_TYPE} .export TARGET_ARCH .endif # WITH_CROSS_COMPILER= WITHOUT_SYSTEM_COMPILER= # WITH_LIBCPLUSPLUS= WITH_BINUTILS_BOOTSTRAP= WITH_ELFTOOLCHAIN_BOOTSTRAP= WITH_CLANG_BOOTSTRAP= WITH_CLANG= WITH_CLANG_IS_CC= WITH_CLANG_FULL= WITH_CLANG_EXTRAS= WITH_LLD= # lldb requires missing atomic 8-byte operations for powerpc (non-64) WITHOUT_LLDB= # WITH_BOOT= WITHOUT_LIB32= # WITHOUT_GCC_BOOTSTRAP= WITHOUT_GCC= WITHOUT_GCC_IS_CC= WITHOUT_GNUCXX= # NO_WERROR= # # Use WERROR to avoid stopping at the likes of: # error: implicit conversion from 'int' to 'int8_t' (aka 'signed char') changes value from 128 to -128 [-Werror,-Wconstant-conversion] WERROR= MALLOC_PRODUCTION= # WITH_REPRODUCIBLE_BUILD= WITH_DEBUG_FILES= === Mark Millard markmi at dsl-only.netReceived on Thu Jun 29 2017 - 06:33:49 UTC
This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:41:12 UTC