# Linker
LD ?= ld
LDFLAGS ?=
-LDLIBS ?= -lc -lunistring
+LDLIBS ?= -lunistring
apcLIBS ?=
apc-dLIBS ?=
-LDCMD = $(strip $(LD) $(LDFLAGS) $(if $2,-o $2) $1) $(LDLIBS) $($1LIBS)
+LDCMD = $(strip $(CC) $(LDFLAGS) $(if $2,-o $2) $1) $(LDLIBS) $($1LIBS)
# APC is built from Ragel, Bison and C source code only.
ySRC := $(shell find ./src -type f -name '*.y')
# Generated files from Yacc/Bison and Ragel
hGEN := $(ySRC:%.y=%.tab.h)
-cGEN := $(strip $(ySRC:%.y=%.tab.c) $(rlSRC:%.rl=%.c))
+cGEN := $(strip $(ySRC:%.y=%.tab.c) $(rlSRC:%.rl=%.fsm.c))
# Filter all other driver objects out of each driver's link commands.
OBJ := $(patsubst %.c,%.o,$(cSRC) $(cGEN))
$(eval $(drv)SRC := $(filter-out $(OTHERS:%=\%/%.o),$(OBJ)))\
$(eval $(drv)-dSRC := $($(drv)SRC:%.o=%-d.o)))
-# Unless cleaning, deps should be generated for each source file
ifeq (,$(filter clean,$(MAKECMDGOALS)))
+# Deps should be generated for each source file, when not cleaning
cGENDEP = $(if $(wildcard $1),$(subst $(dir $1),,$(filter-out $1 \ %:,$(shell $(CC) -MM -MG $1))),\
$(info [<$1>: no deps - file not found]))
-endif
-
-# Construct the S2S function for generating source files during prerequisite
-# expansion:
-# If we are cleaning, stop. Else print the result of calling '1'. Then, unless
-# we are in -n mode, invoke the result of calling '1' in the shell
-ifeq (,$(filter clean,$(MAKECMDGOALS)))
+# S2S will print the command necessary to create a file when called
S2S = $(info $(call $1,$2,$3))
ifeq (,$(filter n,$(MAKEFLAGS)))
+# Unless we're in -n mode, S2S should also invoke the command on the shell
S2S += $(shell $(call $1,$2,$3))
endif
endif
# Rules
.SECONDEXPANSION:
$(DRIVERS:%=%-d) $(DRIVERS): $$($$@SRC) | $(hGEN)
- $(strip $(call LDCMD,$^,$@))
+ $(call LDCMD,$^,$@)
%-d.o: CFLAGS+= -Og -ggdb
%.o %-d.o: %.c $$(call cGENDEP,$$(dir $$@)%.c)
%.tab.h: %.tab.c ;
%.tab.c: %.y $$(call S2S,YCMD,%.y,$$@) ;
-%.c: %.rl $$(call S2S,RLCMD,%.rl,$$@) ;
+%.fsm.c: %.rl $$(call S2S,RLCMD,%.rl,$$@) ;
clean: $(wildcard $(cGEN) $(hGEN) $(foreach drv,$(DRIVERS),$($(drv)SRC) $($(drv)-dSRC)))
$(if $^,rm $^)