Makefile

   1 ################################################################################
   2 # Desc:   APC make script
   3 # Author: kgr
   4 # Date:   2016
   5 ################################################################################
   6 # This makefile builds APC, the Asset Package Compiler for Henge, on the system.
   7 ################################################################################
   8 # Directories (can override with env vars)
   9 APC_ROOTDIR := $(if $(APC_ROOTDIR),$(APC_ROOTDIR),.)
  10 APC_SRCDIR  := $(if $(APC_SRCDIR),$(APC_SRCDIR),$(APC_ROOTDIR)/src)
  11
  12 # APC is built from Ragel, Bison and C source code only.
  13 ySRC  := $(shell find $(APC_SRCDIR) -type f -name '*.y')
  14 rlSRC := $(shell find $(APC_SRCDIR) -type f -name '*.rl')
  15 cSRC  := $(shell find $(APC_SRCDIR) -type f -name '*.c')
  16
  17 # Specify the linker (allow env var override)
  18 LD    := $(if $(LD),$(LD),ld)
  19
  20 # Generated files from Yacc/Bison and Ragel
  21 hGEN  := $(ySRC:%.y=%.tab.h)
  22 cGEN  := $(strip $(ySRC:%.y=%.tab.c) $(rlSRC:%.rl=%.c))
  23
  24 # Rules
  25 apc-d: $(patsubst %.c,%-d.o,$(cSRC) $(cGEN)) | $(hGEN)
  26         $(LD) $(LDFLAGS) $(LDLIBS) $<
  27
  28 apc: $(patsubst %.c,%.o,$(cSRC) $(cGEN)) | $(hGEN)
  29         $(LD) $(LDFLAGS) $(LDLIBS) $<
  30
  31 %.tab.h %.tab.c: %.y
  32         bison -d $(YFLAGS) $<
  33
  34 cFLAGS = $(strip $(CFLAGS) $(CPPFLAGS) $1 $2 $3 $4 $5 $6 $7 $8 $9)
  35 GENDEP = $(filter-out \ %:,$(shell $(CC) -MM -MG $1))
  36 .SECONDEXPANSION:
  37 %.o: %.c $$(call GENDEP,$$(dir $$@)%.c)
  38         $(CC) $(call cFLAGS,-c,-o $@) $<
  39
  40 %-d.o: $$(call GENDEP,$$(dir $$@)%.c) $$(info [DEPS|$$@] $$(call GENDEP,$$(dir $$@)%.c))
  41         $(CC) $(call cFLAGS,-c,-Og,-ggdb,-o $@) $<