[GRASS-dev] installing v.mapcalc fails

[Moritz Lennert]

On 01/10/15 12:38, Glynn Clements wrote:
>
> Moritz Lennert wrote:
>
>>> yylex.c:9:27: fatal error: v.mapcalc.tab.h: No such file or directory
>>>
>>>     #include "v.mapcalc.tab.h"
>>>
>>>                               ^
>>>
>>> compilation terminated.
>>>
>>> make: *** [OBJ.x86_64-unknown-linux-gnu/yylex.o] Error 1
>>>
>>> ERROR: Compilation failed, sorry. Please check above error messages.
>>
>> Glynn, can you help us on this ? We need to find the correct Makefile
>> for the v.mapcalc addon [1]
>
> That header is generated by yacc (or byacc, bison, etc) via a pattern
> rule in include/Make/Compile.make:
>
> 	%.output %.tab.h %.tab.c: %.y
> 		$(YACC) -b$* $(YFLAGS) $<
>
> The problem with v.mapcalc is that it tries to compile yylex.c before
> v.mapcalc.tab.h has been generated, which fails. It requires:
>
> 	-yylex.c: v.mapcalc.tab.h
> 	+$(OBJDIR)/yylex.o: v.mapcalc.tab.h
>
> The header is a dependency of the object file; the source file doesn't
> have dependencies (it's a source file, not generated).
>
> Committed in r66392.
>

Thanks for the fix and the explanation ! It works for me now.

Moritz