mk/footer.mk

   1 define FOOTER
   2 SUBDIRS_$(d) := $(patsubst %/,%,$(addprefix $(d)/,$(SUBDIRS)))
   3
   4 ifneq ($(strip $(OBJS)),)
   5 OBJS_$(d) := $(addprefix $(OBJPATH)/,$(OBJS))
   6 else # Populate OBJS_ from SRCS
   7
   8 # Expand wildcards in SRCS if they are given
   9 ifneq ($(or $(findstring *,$(SRCS)),$(findstring ?,$(SRCS)),$(findstring ],$(SRCS))),)
  10   SRCS := $(notdir $(foreach sd,. $(SRCS_VPATH),$(wildcard $(addprefix $(d)/$(sd)/,$(SRCS)))))
  11   SRCS := $(filter-out $(SRCS_EXCLUDES), $(SRCS))
  12 endif
  13
  14 OBJS_$(d) := $(addprefix $(OBJPATH)/,$(addsuffix .o,$(basename $(SRCS))))
  15 endif
  16
  17 CLEAN_$(d) := $(CLEAN_$(d)) $(filter /%,$(CLEAN) $(TARGETS)) $(addprefix $(d)/,$(filter-out /%,$(CLEAN)))
  18
  19 ifdef TARGETS
  20 abs_tgts := $(filter /%, $(TARGETS))
  21 rel_tgts := $(filter-out /%,$(TARGETS))
  22 TARGETS_$(d) := $(abs_tgts) $(addprefix $(OBJPATH)/,$(rel_tgts))
  23 $(foreach tgt,$(filter-out $(AUTO_TGTS),$(rel_tgts)),$(eval $(call save_vars,$(OBJPATH)/,$(tgt))))
  24 # Absolute targets are entry points for external (sub)projects which
  25 # have their own build system - what is really interesting is only CMD
  26 # and possibly DEPS however I use this general save_vars (two more vars
  27 # that are not going to be used should not be a problem :P).
  28 $(foreach tgt,$(abs_tgts),$(eval $(call save_vars,,$(tgt))))
  29 else
  30 TARGETS_$(d) := $(OBJS_$(d))
  31 endif
  32
  33 # Save user defined vars
  34 $(foreach v,$(VERB_VARS),$(eval $(v)_$(d) := $($v)))
  35 $(foreach v,$(OBJ_VARS),$(eval $(v)_$(d) := $(addprefix $(OBJPATH)/,$($v))))
  36 $(foreach v,$(DIR_VARS),$(eval $(v)_$(d) := $(filter /%,$($v)) $(addprefix $(d)/,$(filter-out /%,$($v)))))
  37
  38 # Update per directory variables that are automatically inherited
  39 ifeq ($(origin INHERIT_DIR_VARS_$(d)),undefined)
  40   INHERIT_DIR_VARS_$(d) := $(or $(INHERIT_DIR_VARS_$(parent_dir)), $(INHERIT_DIR_VARS))
  41 endif
  42 $(foreach v,$(INHERIT_DIR_VARS_$(d)),$(if $($(v)_$(d)),,$(eval $(v)_$(d) := $($(v)_$(parent_dir)))))
  43
  44 ########################################################################
  45 # Inclusion of subdirectories rules - only after this line one can     #
  46 # refer to subdirectory targets and so on.                             #
  47 ########################################################################
  48 $(foreach sd,$(SUBDIRS),$(eval $(call include_subdir_rules,$(sd))))
  49
  50 .PHONY: dir_$(d) clean_$(d) clean_extra_$(d) clean_tree_$(d) dist_clean_$(d)
  51 .SECONDARY: $(OBJPATH)
  52
  53 # Whole tree targets
  54 all :: $(TARGETS_$(d))
  55
  56 clean_all :: clean_$(d)
  57
  58 # dist_clean is optimized in skel.mk if we are building in out of project tree
  59 ifeq ($(strip $(TOP_BUILD_DIR)),)
  60 dist_clean :: dist_clean_$(d)
  61
  62 # No point to enforce clean_extra dependency if CLEAN is empty
  63 ifeq ($(strip $(CLEAN_$(d))),)
  64 dist_clean_$(d) :
  65 else
  66 dist_clean_$(d) : clean_extra_$(d)
  67 endif
  68         rm -rf $(DIST_CLEAN_DIR)
  69 endif
  70
  71 ########################################################################
  72 #                        Per directory targets                         #
  73 ########################################################################
  74
  75 # Again - no point to enforce clean_extra dependency if CLEAN is empty
  76 ifeq ($(strip $(CLEAN_$(d))),)
  77 clean_$(d) :
  78 else
  79 clean_$(d) : clean_extra_$(d)
  80 endif
  81         rm -f $(CLEAN_DIR)/*
  82
  83 # clean_extra is meant for the extra output that is generated in source
  84 # directory (e.g. generated source from lex/yacc) so I'm not using
  85 # TOP_BUILD_DIR below
  86 clean_extra_$(d) :
  87         rm -rf $(filter %/,$(CLEAN_$(subst clean_extra_,,$@))); rm -f $(filter-out %/,$(CLEAN_$(subst clean_extra_,,$@)))
  88
  89 clean_tree_$(d) : clean_$(d) $(foreach sd,$(SUBDIRS_$(d)),clean_tree_$(sd))
  90
  91 # Skip the target rules generation and inclusion of the dependencies
  92 # when we just want to clean up things :)
  93 ifeq ($(filter clean clean_% dist_clean,$(MAKECMDGOALS)),)
  94
  95 SUBDIRS_TGTS := $(foreach sd,$(SUBDIRS_$(d)),$(TARGETS_$(sd)))
  96
  97 # Use the skeleton for the "current dir"
  98 $(eval $(call skeleton,$(d)))
  99 # and for each SRCS_VPATH subdirectory of "current dir"
 100 $(foreach vd,$(SRCS_VPATH),$(eval $(call skeleton,$(d)/$(vd))))
 101
 102 # Target rules for all "non automatic" targets
 103 $(foreach tgt,$(filter-out $(AUTO_TGTS),$(TARGETS_$(d))),$(eval $(call tgt_rule,$(tgt))))
 104
 105 # Way to build all targets in given subtree (not just current dir as via
 106 # dir_$(d) - see below)
 107 tree_$(d) : $(TARGETS_$(d)) $(foreach sd,$(SUBDIRS_$(d)),tree_$(sd))
 108
 109 # If the directory is just for grouping its targets will be targets from
 110 # all subdirectories
 111 ifeq ($(strip $(TARGETS_$(d))),)
 112 TARGETS_$(d) := $(SUBDIRS_TGTS)
 113 endif
 114
 115 # This is a default rule - see Makefile
 116 dir_$(d) : $(TARGETS_$(d))
 117
 118 endif
 119 endef