[fpc-pascal] Cross compile from x86 to Pi

[Michael Ring]

You first need to check out the sourcecode from svn:

svn checkout http://svn.freepascal.org/svn/fpc/trunk fpc

then change into the fpc directory and enter the build commands line by 
line.

and yes, this is all done on the host, not on the raspberry pi; Host 
means a linux or a mac system, I understand that Chris is using a linux 
system so the commands should be fine.

Michael

Am 18.08.15 um 18:01 schrieb John Lee:
> Did I miss something? - where does it it get the rtl & compiler 
> source?  TIA John
>
> On 18 August 2015 at 16:27, Chris Moody <inquiry at greensnakedesign.com 
> <mailto:inquiry at greensnakedesign.com>> wrote:
>
>
>
>     On 08/18/2015 01:24 AM, Michael Ring wrote:
>>     This is how I build fpc trunk cross compiler:
>>
>>       echo "Building fpchf-linux from trunk"
>>       SUBARCH=armv7
>>       CROSSOPT="-dREVINC -dFPC_ARMHF -CX -CpARMV7A -CfVFPV3_D16
>>     -OpARMV7A -O2 -OoFASTMATH -XX -Xs"
>>       //CROSSOPT="-dREVINC -dFPC_ARMHF -CX -CpARMV6 -CfVFPV2 -OpARMV6
>>     -O2 -OoFASTMATH -XX -Xs"
>>       OPT="-dFPC_ARMHF"
>>       make clean buildbase  CROSSINSTALL=1 OS_TARGET=linux
>>     CPU_TARGET=arm  OPT="$OPT" OVERRIDEVERSIONCHECK=1
>>     CROSSOPT="$CROSSOPT" BINUTILSPREFIX=arm-linux-gnueabihf- || exit 1
>>       sudo make installbase CROSSINSTALL=1 OS_TARGET=linux
>>     CPU_TARGET=arm  OPT="$OPT" OVERRIDEVERSIONCHECK=1
>>     CROSSOPT="$CROSSOPT" BINUTILSPREFIX=arm-linux-gnueabihf- || exit 1
>>       sudo mv /usr/local/lib/fpc/3.1.1/ppcrossarm
>>     /usr/local/lib/fpc/3.1.1/ppcrossarmhf
>>
>>     Please note that the rtl is fine for Raspberry Pi 2 (the new quad
>>     core board) as this is a version that uses armv7 commandset.
>>
>>     For old Raspberry Pi you need to use the commented out CROSSOPT,
>>     this will create rtl that is suitable for old raspberries.
>>
>>     You should not try to use fpc 2.6.4 as this compiler does not
>>     support armhf. Most likely the 3.0 pre-release will compile the
>>     same way, but I never tried.
>>
>>     You need to have cross-binutils installed as you need
>>     arm-linux-gnueabihf-* tools to be able to successfully compile.
>>
>>     Michael
>>
>     Hi Michael,
>
>     Just to make sure, I run the script on the desktop right? just to
>     make sure its not to be ran on the Pi.
>
>     Thanks again!
>
>     Chris
>
>     _______________________________________________
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>
>
>
>
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