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Date:      Wed, 16 Mar 2016 10:54:39 +0100
From:      "Ronald Klop" <ronald-lists@klop.ws>
To:        freebsd-arm@freebsd.org
Subject:   Re: libunwind does not compile
Message-ID:  <op.yeewhirrkndu52@53555a16.cm-6-6b.dynamic.ziggo.nl>
In-Reply-To: <op.yed2jcc1kndu52@53555a16.cm-6-6b.dynamic.ziggo.nl>
References:  <op.yebzffztkndu52@53555a16.cm-6-6b.dynamic.ziggo.nl> <1458054610.68920.17.camel@freebsd.org> <op.yed2jcc1kndu52@53555a16.cm-6-6b.dynamic.ziggo.nl>

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On Wed, 16 Mar 2016 00:07:50 +0100, Ronald Klop <ronald-lists@klop.ws>  
wrote:

> On Tue, 15 Mar 2016 16:10:10 +0100, Ian Lepore <ian@freebsd.org> wrote:
>
>> On Mon, 2016-03-14 at 21:05 +0100, Ronald Klop wrote:
>>> Hello,
>>>
>>> I'm cross compiling for Sheevaplug on a recent amd64/11-CURRENT with
>>> clang
>>> 3.8.0.
>>> uname: FreeBSD sjakie.klop.ws 11.0-CURRENT FreeBSD 11.0-CURRENT #8
>>> r296724M: Sun Mar 13 16:03:31 CET 2016
>>> root@sjakie.klop.ws:/usr/obj/usr/src/sys/GENERIC-NODEBUG  amd64
>>>
>>> Using these settings:
>>> export TARGET_ARCH=arm
>>> export MAKEOBJDIRPREFIX=/usr/obj-arm
>>> export KERNCONF=SHEEVAPLUG
>>> export WITH_NAND=yes
>>> export WITH_ARM_EABI=yes
>>> export WITH_GCC=yes
>>> export WITH_GNUCXX=yes
>>> export WITHOUT_CLANG_IS_CC=yes
>>> export NO_CLEAN=yes
>>> export DESTDIR=/mnt/usbdisk
>>>
>>> I get the error below. Is this known/expected? What can I do to fix
>>> it? I
>>> build gcc because clang 3.7 did not work on arm (although it could
>>> cross-compile to arm).
>>>
>>>
>>> ===> gnu/lib/libgcc (obj,depend,all,install)
>>> (cd /usr/src-arm/gnu/lib/libgcc; make -f
>>> /usr/src-arm/gnu/lib/libgcc/../../usr.bin/cc/cc_tools/Makefile
>>> MFILE=/usr/src-arm/gnu/lib/libgcc/../../usr.bin/cc/cc_tools/Makefile
>>> GCCDIR=/usr/src-arm/gnu/lib/libgcc/../../../contrib/gcc gthr
>>> -default.h)
>>> `gthr-default.h' is up to date.
>>> (cd /usr/src-arm/gnu/lib/libgcc; make -f
>>> /usr/src-arm/gnu/lib/libgcc/../../usr.bin/cc/cc_tools/Makefile
>>> MFILE=/usr/src-arm/gnu/lib/libgcc/../../usr.bin/cc/cc_tools/Makefile
>>> GCCDIR=/usr/src-arm/gnu/lib/libgcc/../../../contrib/gcc unwind.h)
>>> `unwind.h' is up to date.
>>> cc -O -pipe   -DTARGET_ARM_EABI -DIN_GCC -DIN_LIBGCC2
>>> -D__GCC_FLOAT_NOT_NEEDED  -DHAVE_GTHR_DEFAULT
>>> -I/usr/src-arm/gnu/lib/libgcc/../../../contrib/gcclibs/include
>>> -I/usr/src-arm/gnu/lib/libgcc/../../../contrib/gcc/config
>>> -I/usr/src-arm/gnu/lib/libgcc/../../../contrib/gcc -I.
>>> -I/usr/src-arm/gnu/lib/libgcc/../../usr.bin/cc/cc_tools
>>> -Dinhibit_libc
>>> -fno-inline -std=gnu99    -fheinous-gnu-extensions -Qunused-arguments
>>>   -c
>>> /usr/src
>>> -arm/gnu/lib/libgcc/../../../contrib/gcc/config/arm/libunwind.S -o
>>> libunwind.o
>>> /usr/src
>>> -arm/gnu/lib/libgcc/../../../contrib/gcc/config/arm/libunwind.S:29:10
>>> :
>>> fatal error: 'machine/acle-compat.h' file not found
>>> #include <machine/acle-compat.h>
>>>           ^
>>> 1 error generated.
>>> *** [libunwind.o] Error code 1
>>
>> When I crossbuild -current for dreamplug and I want gcc instead of
>> clang, I use these settings:
>>
>>  WITH_GCC=yes
>>  WITH_GNUCXX=yes
>>  WITH_GCC_BOOTSTRAP=yes
>>  WITHOUT_CLANG=yes
>>  WITHOUT_CLANG_IS_CC=yes
>>  WITHOUT_CLANG_BOOTSTRAP=yes
>>
>> That said, you may also be interested to hear that clang 3.8 runs fine
>> on a *plug on -current.  I've been using clang 3.8 (from the project
>> branch before the recent merge to current) and gcc on my dreamplug
>> within the past month.
>>
>> -- Ian
>>
>
> Ah, ok.
> I don't want to cross-build everything with gcc. I only had gcc  
> installed as cc, because clang did not work on the arm machine. Does  
> WITHOUT_CLANG_IS_CC does something more than 'man src.conf' mentions?
> I just removed WITHOUT_CLANG_IS_CC=yes and now the build continues.
>
> See what happens after a night sleep while clang compiles. :-)
>
> Ronald.

Things build correctly again. Thanks for the pointer.

Ronald.



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