From owner-freebsd-toolchain@freebsd.org Thu Jun 29 08:33:49 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 EDDA0D96C6B for ; Thu, 29 Jun 2017 08:33:49 +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 9FEB07B3B9 for ; Thu, 29 Jun 2017 08:33:48 +0000 (UTC) (envelope-from markmi@dsl-only.net) Received: (qmail 28445 invoked from network); 29 Jun 2017 08:33:47 -0000 Received: from unknown (HELO mail-cs-02.app.dca.reflexion.local) (10.81.19.2) by 0 (rfx-qmail) with SMTP; 29 Jun 2017 08:33:47 -0000 Received: by mail-cs-02.app.dca.reflexion.local (Reflexion email security v8.40.1) with SMTP; Thu, 29 Jun 2017 04:33:47 -0400 (EDT) Received: (qmail 19474 invoked from network); 29 Jun 2017 08:33:47 -0000 Received: from unknown (HELO iron2.pdx.net) (69.64.224.71) by 0 (rfx-qmail) with (AES256-SHA encrypted) SMTP; 29 Jun 2017 08:33:47 -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 8F5B8EC7E56; Thu, 29 Jun 2017 01:33:46 -0700 (PDT) From: Mark Millard Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\)) Subject: head -r320458 (e.g.) amd64 -> powerpc cross-buildworld fails for time libc++ static_asserts and overflow/underflow of long long (system clang/clang++ 4 based build) Message-Id: Date: Thu, 29 Jun 2017 01:33:45 -0700 To: Justin Hibbits , FreeBSD PowerPC ML , FreeBSD Toolchain , FreeBSD Current 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 08:33:50 -0000 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=3Dpowerpc 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 >, = 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 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' # 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 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-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 $* # more /root/src.configs/src.conf.powerpc-clang-bootstrap.amd64-host TO_TYPE=3Dpowerpc # KERNCONF=3DGENERICvtsc-NODBG TARGET=3D${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 =3D=3D=3D Mark Millard markmi at dsl-only.net