[Vm-dev] aarch64 + config.h

[Tobias Pape]

Hi Ken

> On 5. Apr 2021, at 01:38, ken.dickey at whidbey.com wrote:
> 
> Greetings,
> 
> I disclaim any knowledge of C or Makefiles, but if I comment out the check for _FEATURES_H in config.h (as below), the vm builds fine on and for Aarch64 Linux.
> 
> /*
> @#ifdef _FEATURES_H
> @#error This file was included too late. Please make sure it is included earlier
> @#endif
> */
> 
> I have no idea what this is checking for or who sets it.


Please have a look whether the latest commit
	https://github.com/OpenSmalltalk/opensmalltalk-vm/commit/7f69e44dd9cdf5d1fe2d838e824e86f7503abe93

fixes your problem.

Best regards
	-Tobias

> 
> The diagnostic output is:
> 
> vvv===vvv
> gcc -Wall  -march=armv8-a -mtune=cortex-a72 -g -O2 -DNDEBUG -DDEBUGVM=0 -DMUSL -D_GNU_SOURCE -DUSEEVDEV -DCOGMTVM=0 -DDUAL_MAPPED_CODE_ZONE=1 -pthread -DLSB_FIRST=1 -Wno-missing-braces -Wno-unknown-pragmas -Wno-unused-value -Wno-unused-label -Wno-unused-function -Wno-unused-variable -Wno-unused-but-set-variable  -DHAVE_CONFIG_H  -DSQUEAK_BUILTIN_PLUGIN -I/home/kend/OpenSmalltalk/oscogvm/build.linux64ARMv8/squeak.cog.spur/build -I/home/kend/OpenSmalltalk/oscogvm/build.linux64ARMv8/squeak.cog.spur/build -I/home/kend/OpenSmalltalk/oscogvm/platforms/unix/vm -I/home/kend/OpenSmalltalk/oscogvm/platforms/Cross/vm -I/home/kend/OpenSmalltalk/oscogvm/spur64src/vm -I/usr/local/include -I/home/kend/OpenSmalltalk/oscogvm/platforms/Cross/vm -I/home/kend/OpenSmalltalk/oscogvm/platforms/unix/vm -I/home/kend/OpenSmalltalk/oscogvm/spur64src/vm -I/home/kend/OpenSmalltalk/oscogvm/platforms/Cross/plugins/FilePlugin -I/home/kend/OpenSmalltalk/oscogvm/platforms/unix/plugins/B3DAcceleratorPlugin -Wno-missing-braces -Wno-unknown-pragmas -Wno-unused-value -Wno-unused-label -Wno-unused-function -Wno-unused-variable -Wno-unused-but-set-variable   -c -o gcc3x-cointerp.o /home/kend/OpenSmalltalk/oscogvm/spur64src/vm/gcc3x-cointerp.c
> In file included from /home/kend/OpenSmalltalk/oscogvm/platforms/unix/vm/sqConfig.h:5,
>                 from /home/kend/OpenSmalltalk/oscogvm/platforms/Cross/vm/sq.h:18,
>                 from /home/kend/OpenSmalltalk/oscogvm/platforms/unix/vm/sqGnu.h:37,
>                 from /home/kend/OpenSmalltalk/oscogvm/spur64src/vm/gcc3x-cointerp.c:29:
> /home/kend/OpenSmalltalk/oscogvm/build.linux64ARMv8/squeak.cog.spur/build/config.h:40:2: error: #error This file was included too late. Please make sure it is included earlier
>   40 | #error This file was included too late. Please make sure it is included earlier
>      |  ^~~~~
> ^^^===^^^
> 
> ?!?
> -KenD