| Pascal Brand | b010477 | 2014-06-12 15:56:20 +0200 | [diff] [blame] | 1 | # Input |
| 2 | # |
| 3 | # subdirs tells the subdirectories to descend |
| 4 | # |
| 5 | # Output |
| 6 | # |
| 7 | # set srcs |
| 8 | # set cflags-$(oname) cflags-remove-$(oname) |
| 9 | # aflags-$(oname) aflags-remove-$(oname) |
| 10 | # cppflags-$(oname) cppflags-remove-$(oname) |
| Jerome Forissier | 73dc728 | 2014-09-25 16:04:03 +0200 | [diff] [blame^] | 11 | # incdirs-$(oname) |
| 12 | # incdirs-lib$(libname) [if libname is defined] |
| 13 | # cppflags-lib$(libname) [if libname is defined] |
| Pascal Brand | b010477 | 2014-06-12 15:56:20 +0200 | [diff] [blame] | 14 | # for each file found, oname is the name of the object file for corresponding |
| 15 | # source file |
| 16 | |
| 17 | srcs := |
| 18 | |
| 19 | define process-subdir-srcs-y |
| 20 | ifeq ($$(sub-dir),.) |
| Pascal Brand | 565e42f | 2014-08-07 13:42:57 +0200 | [diff] [blame] | 21 | srcs += $1 |
| Jerome Forissier | 4334e8d | 2014-09-08 10:53:42 +0200 | [diff] [blame] | 22 | oname := $(out-dir)/$(base-prefix)$(basename $1).o |
| Pascal Brand | b010477 | 2014-06-12 15:56:20 +0200 | [diff] [blame] | 23 | else |
| Pascal Brand | 565e42f | 2014-08-07 13:42:57 +0200 | [diff] [blame] | 24 | ifneq ($(filter /%,$(1)),) |
| 25 | # $1 is an absolute path - start with "/" |
| 26 | srcs += $1 |
| Jerome Forissier | 4334e8d | 2014-09-08 10:53:42 +0200 | [diff] [blame] | 27 | oname := $(out-dir)/$(base-prefix)$(basename $1).o |
| Pascal Brand | 565e42f | 2014-08-07 13:42:57 +0200 | [diff] [blame] | 28 | else |
| 29 | srcs += $(sub-dir)/$1 |
| Jerome Forissier | 4334e8d | 2014-09-08 10:53:42 +0200 | [diff] [blame] | 30 | oname := $(out-dir)/$(base-prefix)$(basename $$(sub-dir)/$1).o |
| Pascal Brand | b010477 | 2014-06-12 15:56:20 +0200 | [diff] [blame] | 31 | endif |
| Pascal Brand | 565e42f | 2014-08-07 13:42:57 +0200 | [diff] [blame] | 32 | endif |
| Pascal Brand | b010477 | 2014-06-12 15:56:20 +0200 | [diff] [blame] | 33 | cflags-$$(oname) := $$(cflags-y) $$(cflags-$(1)-y) |
| 34 | cflags-remove-$$(oname) := $$(cflags-remove-y) \ |
| 35 | $$(cflags-remove-$(1)-y) |
| 36 | cppflags-$$(oname) := $$(cppflags-y) $$(cppflags-$(1)-y) |
| 37 | cppflags-remove-$$(oname) := $$(cppflags-remove-y) \ |
| 38 | $$(cppflags-remove-$(1)-y) |
| 39 | aflags-$$(oname) := $$(aflags-y) $$(aflags-$(1)-y) |
| 40 | aflags-remove-$$(oname) := $$(aflags-remove-y) \ |
| 41 | $$(aflags-remove-$(1)-y) |
| Jerome Forissier | 73dc728 | 2014-09-25 16:04:03 +0200 | [diff] [blame^] | 42 | incdirs-$$(oname) := $$(thissubdir-incdirs) $$(addprefix $(sub-dir)/,$$(incdirs-$(1)-y)) |
| Pascal Brand | b010477 | 2014-06-12 15:56:20 +0200 | [diff] [blame] | 43 | # Clear local filename specific variables to avoid accidental reuse |
| 44 | # in another subdirectory |
| 45 | cflags-$(1)-y := |
| 46 | cflags-remove-$(1)-y := |
| 47 | cppflags-$(1)-y := |
| 48 | cppflags-remove-$(1)-y := |
| Jerome Forissier | 73dc728 | 2014-09-25 16:04:03 +0200 | [diff] [blame^] | 49 | cppflags-lib-y := |
| Pascal Brand | b010477 | 2014-06-12 15:56:20 +0200 | [diff] [blame] | 50 | aflags-$(1)-y := |
| 51 | aflags-remove-$(1)-y := |
| Jerome Forissier | 73dc728 | 2014-09-25 16:04:03 +0200 | [diff] [blame^] | 52 | incdirs-$(1)-y := |
| Pascal Brand | b010477 | 2014-06-12 15:56:20 +0200 | [diff] [blame] | 53 | fname := |
| 54 | oname := |
| 55 | endef #process-subdir-srcs-y |
| 56 | |
| 57 | define process-subdir |
| 58 | sub-dir := $1 |
| 59 | include $1/sub.mk |
| 60 | sub-subdirs := $$(addprefix $1/,$$(subdirs-y)) |
| 61 | incdirs$(sm) := $(incdirs$(sm)) $$(addprefix $1/,$$(global-incdirs-y)) |
| Jerome Forissier | 73dc728 | 2014-09-25 16:04:03 +0200 | [diff] [blame^] | 62 | thissubdir-incdirs := $$(addprefix $1/,$$(incdirs-y)) |
| 63 | ifneq ($$(libname),) |
| 64 | incdirs-lib$$(libname) := $$(incdirs-lib$$(libname)) $$(addprefix $1/,$$(incdirs-lib-y)) |
| 65 | cppflags-lib$$(libname) := $$(cppflags-lib$$(libname)) $$(cppflags-lib-y) |
| 66 | endif |
| Pascal Brand | b010477 | 2014-06-12 15:56:20 +0200 | [diff] [blame] | 67 | |
| 68 | # Process files in current directory |
| 69 | $$(foreach s, $$(srcs-y), $$(eval $$(call process-subdir-srcs-y,$$(s)))) |
| 70 | # Clear flags used when processing current directory |
| 71 | srcs-y := |
| 72 | cflags-y := |
| 73 | cppflags-y := |
| Jerome Forissier | 73dc728 | 2014-09-25 16:04:03 +0200 | [diff] [blame^] | 74 | cppflags-lib-y := |
| Pascal Brand | b010477 | 2014-06-12 15:56:20 +0200 | [diff] [blame] | 75 | aflags-y := |
| 76 | cflags-remove-y := |
| 77 | subdirs-y := |
| 78 | global-incdirs-y := |
| Jerome Forissier | 73dc728 | 2014-09-25 16:04:03 +0200 | [diff] [blame^] | 79 | incdirs-lib-y := |
| 80 | incdirs-y := |
| Pascal Brand | b010477 | 2014-06-12 15:56:20 +0200 | [diff] [blame] | 81 | |
| 82 | # Process subdirectories in current directory |
| 83 | $$(foreach sd, $$(sub-subdirs), $$(eval $$(call process-subdir,$$(sd)))) |
| 84 | endef #process-subdir |
| 85 | |
| 86 | # Top subdirectories |
| 87 | $(foreach sd, $(subdirs), $(eval $(call process-subdir,$(sd)))) |