Re: Build assembly code in GNUmakefile

[Nicola Pero]

> Hi,
> 
>   I have an assembly code with extension '.S'.
>   How could I add it into the building process of GNUmakefile ?
>   It can be done with Makefile like:
>   'gcc -c PortableUContext_asm.S -o _objs/PortableUContext_asm.o'
>   then linked with other C code.

You can list additional object files you want to link into your project by
using the variable xxx_OBJ_FILES.

You can add a rule to create a .o file from a .S file, and here you go.

Full example creating a tool from main.m and PortableUContext_asm.S --

----

include $(GNUSTEP_MAKEFILES)/common.make                                        
                                                                            
                                                                                
                                                                            
TOOL_NAME = NicolaExample                                                       
                                                                            
NicolaExample_OBJC_FILES = main.m                                               
                                                                            
NicolaExample_OBJ_FILES = $(GNUSTEP_OBJ_DIR)/PortableUContext_asm.o             
                                                                            
                                                                                
                                                                            
$(GNUSTEP_OBJ_DIR)/%${OEXT}: %.S                                                
                                                                            
        $(ECHO_COMPILING)$(CC) $< -c -o $@$(END_ECHO)                           
                                                                            
                                                                                
                                                                            
include $(GNUSTEP_MAKEFILES)/tool.make
                                      
----

If this way of compiling .S files into .o files is standard, we can add it
to gnustep-make directly so everyone will have the stuff ready to go.  We
can also add a xxx_ASM_FILES or something similar ... so the only thing
you would need to do then is --

NicolaExample_ASM_FILES = PortableUContext_asm.S

Thanks

 

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