From owner-freebsd-toolchain@freebsd.org Thu Jun 29 09:21:43 2017 Return-Path: Delivered-To: freebsd-toolchain@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 14613D97C5A for ; Thu, 29 Jun 2017 09:21:43 +0000 (UTC) (envelope-from markmi@dsl-only.net) Received: from asp.reflexion.net (outbound-mail-210-15.reflexion.net [208.70.210.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 435C07CC37 for ; Thu, 29 Jun 2017 09:21:41 +0000 (UTC) (envelope-from markmi@dsl-only.net) Received: (qmail 23211 invoked from network); 29 Jun 2017 09:21:40 -0000 Received: from unknown (HELO mail-cs-01.app.dca.reflexion.local) (10.81.19.1) by 0 (rfx-qmail) with SMTP; 29 Jun 2017 09:21:40 -0000 Received: by mail-cs-01.app.dca.reflexion.local (Reflexion email security v8.40.1) with SMTP; Thu, 29 Jun 2017 05:21:40 -0400 (EDT) Received: (qmail 22525 invoked from network); 29 Jun 2017 09:21:40 -0000 Received: from unknown (HELO iron2.pdx.net) (69.64.224.71) by 0 (rfx-qmail) with (AES256-SHA encrypted) SMTP; 29 Jun 2017 09:21:40 -0000 Received: from [192.168.1.114] (c-76-115-7-162.hsd1.or.comcast.net [76.115.7.162]) by iron2.pdx.net (Postfix) with ESMTPSA id D8997EC7E56; Thu, 29 Jun 2017 02:21:39 -0700 (PDT) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Subject: Re: head -r320458 (e.g.) amd64 -> powerpc (32-bit) cross-buildworld fails for time libc++ static_asserts and overflow/underflow of long long (system clang/clang++ 4 based build) From: Mark Millard In-Reply-To: Date: Thu, 29 Jun 2017 02:21:38 -0700 Cc: FreeBSD PowerPC ML , FreeBSD Toolchain , FreeBSD Current Content-Transfer-Encoding: quoted-printable Message-Id: <5B12D9A6-C9A2-4B0D-B32D-D04D7DB1E3BC@dsl-only.net> References: To: Justin Hibbits X-Mailer: Apple Mail (2.3273) X-BeenThere: freebsd-toolchain@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Maintenance of FreeBSD's integrated toolchain List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Jun 2017 09:21:43 -0000 [TARGET_ARCH=3Dpowerpc64 fails similarly in its world32 part of its build.] On 2017-Jun-29, at 1:33 AM, Mark Millard wrote: > Beyond static_assert failures and overflow/underflow of long long > it also it complains in some cases about: >=20 > static_assert expression is not an integral constant expression >=20 >=20 > [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.] >=20 >=20 > Context: >=20 > # uname -apKU > FreeBSD FreeBSDx64OPC 12.0-CURRENT FreeBSD 12.0-CURRENT r320458M = amd64 amd64 1200036 1200036 >=20 > buildworld for TARGET_ARCH=3Dpowerpc resulted in: >=20 > --- 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 >, = std::__1::chrono::duration > = >()->operator()(seconds(max_time_t))' > return __duration_cast, = _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(__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 >, = std::__1::chrono::duration > = >()->operator()(seconds(min_time_t))' > return __duration_cast, = _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(__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 >=20 > make[5]: stopped in /usr/src/lib/libc++experimental > .ERROR_TARGET=3D'filesystem/operations.o' > = .ERROR_META_FILE=3D'/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=3D'5' > MAKEFILE=3D'' > .MAKE.MODE=3D'meta missing-filemon=3Dyes missing-meta=3Dyes silent=3Dyes= verbose' > _ERROR_CMD=3D'c++ -target powerpc-unknown-freebsd12.0 = --sysroot=3D/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=3Dc++14 = -Wno-c++11-extensions -c = /usr/src/contrib/libc++/src/experimental/filesystem/operations.cpp -o = filesystem/operations.o;' > .CURDIR=3D'/usr/src/lib/libc++experimental' >=20 >=20 > # 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=3D/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=3Dc++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 >, = std::__1::chrono::duration > = >()->operator()(seconds(max_time_t))' > return __duration_cast, = _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(__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 >, = std::__1::chrono::duration > = >()->operator()(seconds(min_time_t))' > return __duration_cast, = _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(__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 >=20 >=20 >=20 > Build configuration: >=20 >=20 > # 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 >=20 >=20 > # more = ~/sys_build_scripts.amd64-host/make_powerpcvtsc_nodebug_clang_bootstrap-am= d64-host.sh=20 > kldload -n filemon && \ > script = ~/sys_typescripts/typescript_make_powerpcvtsc_nodebug_clang_bootstrap-amd6= 4-host-$(date +%Y-%m-%d:%H:%M:%S) \ > env __MAKE_CONF=3D"/root/src.configs/make.conf" SRCCONF=3D"/dev/null" = SRC_ENV_CONF=3D"/root/src.configs/src.conf.powerpc-clang-bootstrap.amd64-h= ost" \ > WITH_META_MODE=3Dyes \ > MAKEOBJDIRPREFIX=3D"/usr/obj/powerpcvtsc_clang" \ > make $* >=20 >=20 > # more /root/src.configs/src.conf.powerpc-clang-bootstrap.amd64-host > TO_TYPE=3Dpowerpc > # > KERNCONF=3DGENERICvtsc-NODBG > TARGET=3D${TO_TYPE} > .if ${.MAKE.LEVEL} =3D=3D 0 > TARGET_ARCH=3D${TO_TYPE} > .export TARGET_ARCH > .endif > # > WITH_CROSS_COMPILER=3D > WITHOUT_SYSTEM_COMPILER=3D > # > WITH_LIBCPLUSPLUS=3D > WITH_BINUTILS_BOOTSTRAP=3D > WITH_ELFTOOLCHAIN_BOOTSTRAP=3D > WITH_CLANG_BOOTSTRAP=3D > WITH_CLANG=3D > WITH_CLANG_IS_CC=3D > WITH_CLANG_FULL=3D > WITH_CLANG_EXTRAS=3D > WITH_LLD=3D > # lldb requires missing atomic 8-byte operations for powerpc (non-64) > WITHOUT_LLDB=3D > # > WITH_BOOT=3D > WITHOUT_LIB32=3D > # > WITHOUT_GCC_BOOTSTRAP=3D > WITHOUT_GCC=3D > WITHOUT_GCC_IS_CC=3D > WITHOUT_GNUCXX=3D > # > NO_WERROR=3D > # > # 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=3D > MALLOC_PRODUCTION=3D > # > WITH_REPRODUCIBLE_BUILD=3D > WITH_DEBUG_FILES=3D The world32 part of a TARGET_ARCH=3Dpowerpc64 cross-buildworld also gets the same errors. =3D=3D=3D Mark Millard markmi at dsl-only.net