Re: meson oddities

On 15.11.22 00:48, Andres Freund wrote:
> We effectively do that with autoconf as well, except that we don't mention
> that in pg_config --ldflags. Our linking rules include CFLAGS, see e.g.:
> 
> %: %.o
> 	$(CC) $(CFLAGS) $^ $(LDFLAGS) $(LDFLAGS_EX) $(LIBS) -o $@$(X)
> 
> postgres: $(OBJS)
> 	$(CC) $(CFLAGS) $(call expand_subsys,$^) $(LDFLAGS) $(LDFLAGS_EX) $(export_dynamic) $(LIBS) -o $@
> 
> ifdef PROGRAM
> $(PROGRAM): $(OBJS)
> 	$(CC) $(CFLAGS) $(OBJS) $(PG_LIBS_INTERNAL) $(LDFLAGS) $(LDFLAGS_EX) $(PG_LIBS) $(LIBS) -o $@$(X)
> endif
> 
> # Rule for building a shared library from a single .o file
> %.so: %.o
> 	$(CC) $(CFLAGS) $< $(LDFLAGS) $(LDFLAGS_SL) -shared -o $@
> 
> 
> Should we try that fact in pg_configin the meson build as well?

It's up to the consumer of pg_config to apply CFLAGS and LDFLAGS as they 
need.  But pg_config and pkg-config etc. should report them separately.