Date: Sun, 24 Apr 2016 08:58:26 -0400 From: Steve Wills <swills@FreeBSD.org> To: Mark Millard <markmi@dsl-only.net> Cc: freebsd-ports@freebsd.org, FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: Re: port's svn commit: r413746 - in head "many ports: mark broken on powerpc64": for what toolchains? Message-ID: <571CC2F2.2060601@FreeBSD.org> In-Reply-To: <00621189-D577-4E3F-8BAB-4B315B690209@dsl-only.net> References: <34C0599F-044B-46ED-AF60-0F0E98876E2F@dsl-only.net> <571C0297.3050801@FreeBSD.org> <28FDFFB4-02CC-40CB-ACAC-828BA8E71A37@dsl-only.net> <00621189-D577-4E3F-8BAB-4B315B690209@dsl-only.net>
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So lang/gcc6-devel builds fine using gcc49 (which builds fine and isn't currently marked broken. Can we patch the lang/gcc6-devel port so that it uses gcc49 when building on powerpc64? Also, which compiler are you using for building ruby? Steve On 04/24/16 03:19 AM, Mark Millard wrote: > [A top-post of the results of my test build of lang/gcc6-devel using gcc49 to do the build (until it switches over to xgcc). I do not have lang/gcc or lang/gcc48 installed.] > > lang/gcc6-devel's update built fine in my powerpc64-xtoolchain-gcc/powerpc64-gcc and gcc49 environment on a powerpc64 PowerMac. The options were as I normally use: > >> # more /var/db/ports/lang_gcc6-devel/options >> # This file is auto-generated by 'make config'. >> # Options for gcc6-devel-6.0.0.s20160110 >> _OPTIONS_READ=gcc6-devel-6.0.0.s20160110 >> _FILE_COMPLETE_OPTIONS_LIST=BOOTSTRAP GRAPHITE JAVA MULTILIB >> OPTIONS_FILE_UNSET+=BOOTSTRAP >> OPTIONS_FILE_UNSET+=GRAPHITE >> OPTIONS_FILE_UNSET+=JAVA >> OPTIONS_FILE_UNSET+=MULTILIB > > > I will note that ruby is implicitly in use in my environment and it too had been marked as broken for powerpc64: lang/ruby21 , lang/ruby22 , and lang/ruby23 all were so marked. (So I commented those marks out.) > > My build that upgraded from ruby21 to ruby22 went fine. > > === > Mark Millard > markmi at dsl-only.net > > On 2016-Apr-23, at 5:21 PM, Mark Millard <markmi@dsl-only.net> wrote: >> >> On 2016-Apr-23, at 4:17 PM, Steve Wills <swills@FreeBSD.org> wrote: >>> >>> Hi, >>> >>> On 04/23/16 05:50 PM, Mark Millard wrote: >>>> Recently a large block of ports (including lang/gcc6-devel) were >>>> marked in their Makefiles with >>>> >>>>> BROKEN_powerpc64= Does not build >>>> >>>> >>>> Does this only apply for use of gcc/g++ 4.2.1 or specific other >>>> verions? If so that is not the only way to have a powerpc64 >>>> environment. For example: how "official" is use of >>>> devel/powerpc64-xtoolchain-gcc (so devel/powerpc64-gcc as well) and >>>> lang/gcc49 used on a powerpc64 box (in my case an old PowerMac)? >>> >>> >>> The intent was just that they don't build with the default config, ie, >>> gcc 4.2.1 from base. If there are ways to make things build with other >>> compilers, we should look at getting those changes into ports. >>> >>> You can find the logs of the build that I based all those changes on here: >>> >>> http://poudriere.mouf.net/karl/poudriere/build.html?mastername=headpowerpc-default&build=2016-04-02_20h57m16s >>> >>> Specifically the gcc6-devel one is here: >>> >>> http://poudriere.mouf.net/karl/poudriere/data/headpowerpc-default/2016-04-02_20h57m16s/logs/errors/gcc6-devel-6.0.0.s20160320.log >>> >>> Though I realize now that was simply a timeout and perhaps shouldn't >>> have been marked as broken. A few of the llvm ones timed out and I >>> didn't mark those as broken and meant to not mark any that timed out as >>> broken, and to go back and retry them, but didn't notice this one was a >>> timeout. We can remove the BROKEN_powerpc64 from lang/gcc-devel if it >>> builds for you. >> >> Since my original note -r413919 has updated devel/gcc6-devel. So I'll end up testing that update once I get to that point. >> >> I'll note that the svn-ports-head entry for -r412746 lists several llvm items: >> >> head/devel/llvm-cheri/Makefile >> head/devel/llvm-devel/Makefile >> head/devel/llvm33/Makefile >> head/devel/llvm34/Makefile >> head/devel/llvm38/Makefile >> >> But I do not build any of those normally. llvm38 likely is toolchain vintage dependent for if it builds or not. Others may be as well. >> >>> Also note that build was using the 2016Q2 branch, but the >>> BROKEN_powerpc64 was committed to the main branch. Perhaps that change >>> should be merged to the 2016Q2 branch. >>> >>> Anyway, I'm currently retrying the build, after fixing pixman and >>> merging that to the 2016Q2 and then locally patching in the >>> BROKEN_powerpc64 things into my local tree. You can see the progress of >>> that here: >>> >>> http://poudriere.mouf.net/karl/poudriere/build.html?mastername=headpowerpc-default&build=2016-04-21_17h38m55s >>> >>> >>>> Can broken be marked for only specific tool chains? >>>> >>> >>> Not trivially, but it's probably doable somehow. >>> >>>>> # freebsd-version -ku 11.0-CURRENT 11.0-CURRENT # uname -aKU >>>>> FreeBSD FBSDG5C0 11.0-CURRENT FreeBSD 11.0-CURRENT #29 r297769M: >>>>> Sat Apr 9 22:22:19 PDT 2016 >>>>> root@FBSDG5C0:/usr/obj/xtoolchain/powerpc.powerpc64/usr/src/sys/GENERIC64vtsc-NODEBUG >>>>> powerpc 1100105 1100105 >>>> >>>> For the rest of this note I'll focus on lang/gcc-devel since I happen >>>> to build and install it. >>>> >>>>> # pkg info '*gcc*' gcc49-4.9.4.s20160406 >>>>> gcc6-devel-6.0.0.s20160410 powerpc64-gcc-5.3.0 >>>>> powerpc64-xtoolchain-gcc-0.1 >>>> >>>> gcc6-devel-6.0.0.s20160410 was built from -r413230 svn source on the >>>> that same old PowerMac. -r413188 is the prior lang/gcc-devel check in >>>> before being marked broken for powerpc64. For how I build it was not >>>> broken at the time. >>>> >>>> I historically use devel/powerpc64-xtoolchain-gcc (so >>>> devel/powerpc64-gcc as well) for the so-called "cross build" stages >>>> of buildworld/buildkernel (11.0-CURRENT). (I also do true cross >>>> builds for TARGET_ARCH=powerpc64 from an amd64 context sometimes.) >>>> >>>> gcc 4.2.1 is not present before, during, or after on the old >>>> PowerMac. I do build clang and various related materials but do not >>>> use clang for buildworld/buildkernel related activity. I experiment >>>> with using clang for other things at times. >>>> >>>> I historically use lang/gcc49 on the old PowerMac for: >>>> >>>> A) building devel/powerpc64-gcc (not the only way to try to build >>>> it) B) the "host" stages of buildworld/buildkernel (11.0-CURRENT) C) >>>> building lang/gcc6-devel (not the only way to try to build it) >>>> >>>> [I do not have lang/gcc5 built/installed only because it and >>>> devel/powerpc64-gcc have file conflicts when they are based on the >>>> same gcc version. Getting devel/powerpc64-gcc to build and install on >>>> a powerpc64 requires some workarounds because it is not a true cross >>>> compile environment and some file names are odd for self-hosted and >>>> so not found during staging's copy activities.] >>>> >>>> [I do build the system's clang 3.8.0 but do not use it other than for >>>> exploring/checking its current powerpc64 FreeBSD limitations. It does >>>> work for various things but not everything. Those experiments do not >>>> include buildworld or buildkernel. For example: clang 3.8.0 targeting >>>> powerpc64 can not build libstand due to lack of software floating >>>> point support. C++ exception handling built via clang for powerpc64 >>>> is messed up as well.] >>>> >>>> >>> >>> It would be nice if we could fix those things and get powerpc(64) built >>> with clang. >> >> https://llvm.org/bugs/show_bug.cgi?id=25780 [a meta-list of reports that block use by freebsd] lists various powerpc and powerpc64 code-generation issues for clang 3.8.0 vs. FreeBSD. As I remember each of the following includes examples of powerpc64 code-generation issues, not just powerpc (non-64) ones. >> >> https://llvm.org/bugs/show_bug.cgi?id=26970 >> https://llvm.org/bugs/show_bug.cgi?id=26856 >> https://llvm.org/bugs/show_bug.cgi?id=26844 >> https://llvm.org/bugs/show_bug.cgi?id=26761 >> >> (I also submitted reports to freebsd as well so there would be reminders to track clang fixes if they ever occur. There may be more issues than I reported in either place.) >> >> As I remember I thought there were also some FreeBSD problems that would be present after the above were fixed but the code generation problems made it harder to be sure. Even if I was correct any testing based on the bad code-generation by clang in overlapping areas would not work. I'd prefer to recheck/reanalyze based on seeing good code generation results. >> >> Unfortunately while I can slowly analyze/research the code generated it would take a lot longer to get the point of doing non-trival work on llvm or clang itself. And since somewhat after clang 3.8.0 moved into 11.0-CURRENT other things have kept me mostly out of clang investigations. I've just been rebuilding FreeBSD and some ports periodically in order to avoid large jumps later. >> >> >>>> >>>> I have started a powerpc64 self-hosted buildworld/buildkernel for an >>>> update to 11.0-CURRENT -r298518 in preparation for then updating my >>>> ports to -r413907 or so. >>>> >>>> My intent is to comment out the BROKEN_powerpc64 line in >>>> lang/gcc6-devel/Makefile and see if lang/gcc6-devel still (re-)builds >>>> once everything else is up to date. >>>> >>>> But the builds involved take many hours so I'll likely not have a >>>> result to report until tomorrow (or later). >>>> >>>> >>>> Supporting example details: >>>> >>>>> # svnlite info /usr/ports Path: /usr/ports Working Copy Root Path: >>>>> /usr/ports URL: https://svn0.us-west.freebsd.org/ports/head >>>>> Relative URL: ^/head Repository Root: >>>>> https://svn0.us-west.freebsd.org/ports Repository UUID: >>>>> 35697150-7ecd-e111-bb59-0022644237b5 Revision: 413230 Node Kind: >>>>> directory Schedule: normal Last Changed Author: kmoore Last Changed >>>>> Rev: 413230 Last Changed Date: 2016-04-13 13:07:37 -0700 (Wed, 13 >>>>> Apr 2016) >>>> >>>> (I'll svnlite update -r413907 /usr/ports [or there about] after the >>>> system is updated. The above was used for my existing lang/gcc-devel >>>> build on powerpc64 for powerpc64.) >>>> >>>>> # more /etc/make.conf DEFAULT_VERSIONS+=perl5=5.22 >>>>> WRKDIRPREFIX=/usr/obj/portswork WITH_DEBUG= WITH_DEBUG_FILES= >>>>> MALLOC_PRODUCTION= # # # For trying gcc49... # >>>>> CC=/usr/local/bin/gcc49 CXX=/usr/local/bin/g++49 >>>>> CPP=/usr/local/bin/cpp49 # # # For trying port binutils... # >>>>> CROSS_BINUTILS_PREFIX=/usr/local/powerpc64-portbld-freebsd11.0/bin/ >>>>> >>>>> >>> AS=/usr/local/powerpc64-portbld-freebsd11.0/bin/as >>>>> AR=/usr/local/powerpc64-portbld-freebsd11.0/bin/ar >>>>> LD=/usr/local/powerpc64-portbld-freebsd11.0/bin/ld >>>>> NM=/usr/local/powerpc64-portbld-freebsd11.0/bin/nm >>>>> OBJCOPY=/usr/local/powerpc64-portbld-freebsd11.0/bin/objcopy >>>>> OBJDUMP=/usr/local/powerpc64-portbld-freebsd11.0/bin/objdump >>>>> RANLIB=/usr/local/powerpc64-portbld-freebsd11.0/bin/ranlib >>>>> SIZE=/usr/local/powerpc64-portbld-freebsd11.0/bin/size #NO-SUCH: >>>>> STRINGS=/usr/local/powerpc64-portbld-freebsd11.0/bin/strings >>>>> STRINGS=/usr/local/bin/strings >>>> >>>> The above sort of make.conf is used for port builds, though I may >>>> edit the details to control my experiments. >>>> >>>> The below are tied to buildworld/buildkernel related activity: >>>> >>>>> # more >>>>> /root/sys_build_scripts.powerpc64-host/make_powerpc64vtsc_nodebug_incl_clang_xtoolchain-powerpc64-host.sh >>>>> script >>>>> /root/sys_typescripts/typescript_make_powerpc64vtsc_nodebug_incl_clang_xtoolchain-powerpc64-host-$(date >>>>> +%Y-%m-%d:%H:%M:%S) \ env __MAKE_CONF="/root/src.configs/make.conf" >>>>> SRC_ENV_CONF="/root/src.configs/src.conf.powerpc64-xtoolchain.powerpc64-host" >>>>> \ MAKEOBJDIRPREFIX="/usr/obj/xtoolchain/powerpc.powerpc64" \ make >>>>> $* >>>> >>>> >>>> /root/src.configs/make.conf (used for buildworld/buildkernel) is >>>> normally empty. >>>> >>>>> # more >>>>> /root/src.configs/src.conf.powerpc64-xtoolchain.powerpc64-host >>>>> TO_TYPE=powerpc64 TOOLS_TO_TYPE=${TO_TYPE} FROM_TYPE=powerpc64 >>>>> TOOLS_FROM_TYPE=${FROM_TYPE} VERSION_CONTEXT=11.0 # >>>>> KERNCONF=GENERIC64vtsc-NODEBUG TARGET=powerpc .if ${.MAKE.LEVEL} == >>>>> 0 TARGET_ARCH=${TO_TYPE} .export TARGET_ARCH .endif # >>>>> WITHOUT_CROSS_COMPILER= # WITH_LIBCPLUSPLUS= WITH_BOOT= >>>>> #WITH_LIB32= WITH_CLANG= WITH_CLANG_IS_CC= WITH_CLANG_FULL= >>>>> WITH_LLDB= # # LIB32 builds but does not work via gcc variants >>>>> [crtbeginS code problem(s)] WITHOUT_LIB32= WITHOUT_GCC= >>>>> WITHOUT_GNUCXX= # NO_WERROR= MALLOC_PRODUCTION= # >>>>> WITH_DEBUG_FILES= # # # For TO (so-called "cross") stages . . . # >>>>> So-called-cross via ${TO_TYPE}-xtoolchain-gcc/${TO_TYPE}-gcc. . . # >>>>> TOOLS_TO_TYPE based on ${TO_TYPE}-xtoolchain-gcc related bintutils. >>>>> . . # CROSS_TOOLCHAIN=${TO_TYPE}-gcc X_COMPILER_TYPE=gcc >>>>> CROSS_BINUTILS_PREFIX=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ .if >>>>> ${.MAKE.LEVEL} == 0 >>>>> XCC=/usr/local/bin/${TOOLS_TO_TYPE}-portbld-freebsd${VERSION_CONTEXT}-gcc >>>>> >>>>> >>> XCXX=/usr/local/bin/${TOOLS_TO_TYPE}-portbld-freebsd${VERSION_CONTEXT}-g++ >>>>> XCPP=/usr/local/bin/${TOOLS_TO_TYPE}-portbld-freebsd${VERSION_CONTEXT}-cpp >>>>> >>>>> >>> .export XCC >>>>> .export XCXX .export XCPP >>>>> XAS=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/as >>>>> XAR=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ar >>>>> XLD=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ld >>>>> XNM=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/nm >>>>> XOBJCOPY=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/objcopy >>>>> XOBJDUMP=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/objdump >>>>> XRANLIB=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/ranlib >>>>> XSIZE=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/size #NO-SUCH: >>>>> XSTRINGS=/usr/local/${TOOLS_TO_TYPE}-freebsd/bin/strings >>>>> XSTRINGS=/usr/local/bin/${TOOLS_TO_TYPE}-freebsd-strings .export >>>>> XAS .export XAR .export XLD .export XNM .export XOBJCOPY .export >>>>> XOBJDUMP .export XRANLIB .export XSIZE .export XSTRINGS .endif # # >>>>> # For FROM (host) stages . . . # From gccXY (such as gcc49 but not >>>>> xtoolchain) # TOOLS_FROM_TYPE's appropriate binutils. . . # .if >>>>> ${.MAKE.LEVEL} == 0 CC=env C_INCLUDE_PATH=/usr/include >>>>> /usr/local/bin/gcc49 -L/usr/lib CXX=env C_INCLUDE_PATH=/usr/include >>>>> CPLUS_INCLUDE_PATH=/usr/include/c++/v1 /usr/local/bin/g++49 >>>>> -std=c++11 -nostdinc++ -L/usr/lib CPP=/usr/local/bin/cpp49 .export >>>>> CC .export CXX .export CPP >>>>> AS=/usr/local/${TOOLS_FROM_TYPE}-portbld-freebsd${VERSION_CONTEXT}/bin/as >>>>> >>>>> >>> AR=/usr/local/${TOOLS_FROM_TYPE}-portbld-freebsd${VERSION_CONTEXT}/bin/ar >>>>> LD=/usr/local/${TOOLS_FROM_TYPE}-portbld-freebsd${VERSION_CONTEXT}/bin/ld >>>>> >>>>> >>> NM=/usr/local/${TOOLS_FROM_TYPE}-portbld-freebsd${VERSION_CONTEXT}/bin/nm >>>>> OBJCOPY=/usr/local/${TOOLS_FROM_TYPE}-portbld-freebsd${VERSION_CONTEXT}/bin/objcopy >>>>> >>>>> >>> OBJDUMP=/usr/local/${TOOLS_FROM_TYPE}-portbld-freebsd${VERSION_CONTEXT}/bin/objdump >>>>> RANLIB=/usr/local/${TOOLS_FROM_TYPE}-portbld-freebsd${VERSION_CONTEXT}/bin/ranlib >>>>> >>>>> >>> SIZE=/usr/local/${TOOLS_FROM_TYPE}-portbld-freebsd${VERSION_CONTEXT}/bin/size >>>>> #NO-SUCH: >>>>> STRINGS=/usr/local/${TOOLS_FROM_TYPE}-portbld-freebsd${VERSION_CONTEXT}/bin/strings >>>>> >>>>> >>> STRINGS=/usr/local/bin/strings >>>>> .export AS .export AR .export LD .export NM .export OBJCOPY .export >>>>> OBJDUMP .export RANLIB .export SIZE .export STRINGS .endif >>>> >>>>> # svnlite status /usr/src ? /usr/src/.snap M >>>>> /usr/src/contrib/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp >>>>> >>>>> >>> M /usr/src/lib/csu/powerpc64/Makefile >>>>> ? /usr/src/restoresymtable ? >>>>> /usr/src/sys/arm/conf/RPI2-NODBG M >>>>> /usr/src/sys/boot/ofw/Makefile.inc M >>>>> /usr/src/sys/boot/powerpc/Makefile M >>>>> /usr/src/sys/boot/powerpc/Makefile.inc M >>>>> /usr/src/sys/boot/uboot/Makefile.inc M >>>>> /usr/src/sys/conf/Makefile.powerpc M >>>>> /usr/src/sys/conf/kern.mk M /usr/src/sys/conf/kmod.mk ? >>>>> /usr/src/sys/powerpc/conf/GENERIC64-NODBG ? >>>>> /usr/src/sys/powerpc/conf/GENERIC64vtsc ? >>>>> /usr/src/sys/powerpc/conf/GENERIC64vtsc-NODEBUG ? >>>>> /usr/src/sys/powerpc/conf/GENERICvtsc ? >>>>> /usr/src/sys/powerpc/conf/GENERICvtsc-NODEBUG M >>>>> /usr/src/sys/powerpc/ofw/ofw_machdep.c M >>>>> /usr/src/sys/powerpc/powerpc/exec_machdep.c >>>> >>>> >>> >>> Let me know what you find. There was some work on external compiler >>> support, though I don't know it's current status. >> >> My powerpc64 FreeBSD activity is completely dependent on the external compiler support: I'm using FreeBSD's modern libc++, not libstdc++. But there are some workarounds involved for my complete avoidance of gcc 4.2.1. I've a few other work arounds for the PowerMac context as well. For example: downloaded release and snapshot installations do not reliably boot such PowerMacs but instead frequently hang during boot. (The frequency may depend on the amount of RAM.) >> >> I'll let you know how the updated devel/gcc6-devel goes for my style of powerpc64 environment. >> >> If a devel/gcc6 appears I'll likely build it at some point. >> >>> Steve >> >> === >> Mark Millard >> markmi at dsl-only.net >> >> > _______________________________________________ > freebsd-ports@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-ports > To unsubscribe, send any mail to "freebsd-ports-unsubscribe@freebsd.org" >
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