[fpc-devel] arm-embedded buid broken since rev 23325

Michael Ring mail at michael-ring.org
Sun Jan 20 09:26:53 CET 2013


The command uses for building is straight from the wiki:

make clean buildbase installbase CROSSINSTALL=1 OS_TARGET=embedded 
CPU_TARGET=arm SUBARCH=armv7m

without my small hack the build breaks, when I add:

export PATH=/Users/ring:$PATH

and put the small replacement script to /Users/ring the build finishes.

I am using GNU assembler version 2.23.1 (arm-none-eabi) using BFD 
version (GNU Binutils) 2.23.1

built from latest binutils sources, commands also taken from Target 
Embedded Wiki

Michael



Am 20.01.13 01:53, schrieb Jeppe Græsdal Johansen:
> Could you write the complete command line you use for compiling?
>
> Den 19-01-2013 22:58, Michael Ring skrev:
>> Thank you very much Florian, this problem is now indeed fixed. I have 
>> encountered another one:
>>
>> /Users/ring/devel/fpc/rtl/units/arm-embedded/sysutils.s: Assembler 
>> messages:
>> /Users/ring/devel/fpc/rtl/units/arm-embedded/sysutils.s:20800: Error: 
>> thumb conditional instruction should be in IT block -- `bxeq r14'
>> /Users/ring/devel/fpc/rtl/units/arm-embedded/sysutils.s:20803: Error: 
>> thumb conditional instruction should be in IT block -- `subls r1,r1,#32'
>> /Users/ring/devel/fpc/rtl/units/arm-embedded/sysutils.s:20804: Error: 
>> thumb conditional instruction should be in IT block -- `strbls r1,[r12]'
>> /Users/ring/devel/fpc/rtl/units/arm-embedded/sysutils.s:20820: Error: 
>> thumb conditional instruction should be in IT block -- `bxeq r14'
>> /Users/ring/devel/fpc/rtl/units/arm-embedded/sysutils.s:20823: Error: 
>> thumb conditional instruction should be in IT block -- `addls r1,r1,#32'
>> /Users/ring/devel/fpc/rtl/units/arm-embedded/sysutils.s:20824: Error: 
>> thumb conditional instruction should be in IT block -- `strbls r1,[r12]'
>>
>> this one can be solved by adding -mimplicit-it=thumb to the the 
>> commandline of arm-embedded-as. I have created a replacement script 
>> for arm-embedded-as:
>>
>> #!/bin/sh
>> /usr/local/bin/arm-embedded-as -mimplicit-it=thumb $*
>>
>> with this script I can build latest svn.
>>
>> What I do not understand is that this problem only exists when 
>> sysutils gets compiled, the svn code from 2012-01-04 works fine, the 
>> code from the next day shows this error, the 'only' change is that 
>> sysutils gets included in the build.
>>
>> For now, how can I add "-mimplicit-it=thumb" to the as commandline 
>> without my small hack? can I put this somewhere in fpc.cfg?
>>
>> Michael
>>
>>
>> Am 19.01.13 16:19, schrieb Florian Klämpfl:
>>> Am 19.01.2013 12:18, schrieb Michael Ring:
>>>> Today I found some time to research since when excactly arm-embedded
>>>> does not compile anymore, I found that since revision 23325 compile 
>>>> does
>>>> not work anymore, can anybody help, it seems that the problem 
>>>> itself is
>>>> hidden somewhere else in code...
>>> Fixed in r23452.
>>>
>>> _______________________________________________
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>>> http://lists.freepascal.org/mailman/listinfo/fpc-devel
>>>
>>
>> _______________________________________________
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>
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