[fpc-devel] build unicodertl on win64

[Michael Van Canneyt]

On Wed, 21 Jan 2026, Mattias Gaertner via fpc-devel wrote:

> Hi,
>
> I'm trying to build the namespaced unicodertl on win64:
>
> First I build the normal compiler+units:
>
> make distclean all
> make install PREFIX=C:\pascal\3.3.1
>
> fpc-unicodertl.cfg:
> -dUNICODERTL
> -Municodestrings
> -dEnable_Delphi_RTTI
>
> Building the rtl fails:
> make -C rtl clean all SUB_TARGET=unicodertl FPC_DOTTEDUNITS=1 
> PP=C:\pascal\3.3.1\bin\x86_64-win64\ppcx64.exe
>
> with:
> ...
> Compiling ../namespaced/commmon/System.CPU.pp
> 592 lines comiled, 0.0 sec
> make[1]: *** No rule to make target 'WinApi.Signals.ppu' needed by fpc_units. 
> Stop.
> make[1]: Leaving directory 'C:/pascal/3.3.1/source/rtl/win64'
>
> The rtl/win64/Makefile is indeed missing a rule for WinApi.Signals.
> The Makefile.fpc contains a conditional prerule:
>
> ifeq ($(ARCH),x86_64)
> # signals unit is x86 specific for now
> CPU_UNITS=$(CPUUNIT) $(SIGNALSUNIT) $(INTRINSICSUNIT)
> endif
>
> Which is used in the target section:
> units=$(SYSTEMUNIT) ... $(CPU_UNITS)
>
> Does that mean, the Makefiles must be updated on win64 before building? They 
> are in git.

If there is an error in Makefile.fpc, the makefiles must be remade, and
committed together with the changed Makefile.fpc.

Michael.