1b0104773SPascal Brand# Input 2b0104773SPascal Brand# 3b0104773SPascal Brand# subdirs tells the subdirectories to descend 4b0104773SPascal Brand# 5b0104773SPascal Brand# Output 6b0104773SPascal Brand# 7b0104773SPascal Brand# set srcs 8b0104773SPascal Brand# set cflags-$(oname) cflags-remove-$(oname) 9b0104773SPascal Brand# aflags-$(oname) aflags-remove-$(oname) 10b0104773SPascal Brand# cppflags-$(oname) cppflags-remove-$(oname) 1173dc728dSJerome Forissier# incdirs-$(oname) 1273dc728dSJerome Forissier# incdirs-lib$(libname) [if libname is defined] 1373dc728dSJerome Forissier# cppflags-lib$(libname) [if libname is defined] 14*3d34e125SJerome Forissier# cflags-lib$(libname) [if libname is defined] 15b0104773SPascal Brand# for each file found, oname is the name of the object file for corresponding 16b0104773SPascal Brand# source file 17b0104773SPascal Brand 18b0104773SPascal Brandsrcs := 19b0104773SPascal Brand 20b0104773SPascal Branddefine process-subdir-srcs-y 21b0104773SPascal Brandifeq ($$(sub-dir),.) 22565e42f9SPascal Brandsrcs += $1 234334e8d7SJerome Forissieroname := $(out-dir)/$(base-prefix)$(basename $1).o 24b0104773SPascal Brandelse 25565e42f9SPascal Brandifneq ($(filter /%,$(1)),) 26565e42f9SPascal Brand# $1 is an absolute path - start with "/" 27565e42f9SPascal Brandsrcs += $1 284334e8d7SJerome Forissieroname := $(out-dir)/$(base-prefix)$(basename $1).o 29565e42f9SPascal Brandelse 30565e42f9SPascal Brandsrcs += $(sub-dir)/$1 314334e8d7SJerome Forissieroname := $(out-dir)/$(base-prefix)$(basename $$(sub-dir)/$1).o 32b0104773SPascal Brandendif 33565e42f9SPascal Brandendif 34b0104773SPascal Brandcflags-$$(oname) := $$(cflags-y) $$(cflags-$(1)-y) 35b0104773SPascal Brandcflags-remove-$$(oname) := $$(cflags-remove-y) \ 36b0104773SPascal Brand $$(cflags-remove-$(1)-y) 37b0104773SPascal Brandcppflags-$$(oname) := $$(cppflags-y) $$(cppflags-$(1)-y) 38b0104773SPascal Brandcppflags-remove-$$(oname) := $$(cppflags-remove-y) \ 39b0104773SPascal Brand $$(cppflags-remove-$(1)-y) 40b0104773SPascal Brandaflags-$$(oname) := $$(aflags-y) $$(aflags-$(1)-y) 41b0104773SPascal Brandaflags-remove-$$(oname) := $$(aflags-remove-y) \ 42b0104773SPascal Brand $$(aflags-remove-$(1)-y) 4373dc728dSJerome Forissierincdirs-$$(oname) := $$(thissubdir-incdirs) $$(addprefix $(sub-dir)/,$$(incdirs-$(1)-y)) 44b0104773SPascal Brand# Clear local filename specific variables to avoid accidental reuse 45b0104773SPascal Brand# in another subdirectory 46b0104773SPascal Brandcflags-$(1)-y := 47b0104773SPascal Brandcflags-remove-$(1)-y := 48*3d34e125SJerome Forissiercflags-lib-y := 49b0104773SPascal Brandcppflags-$(1)-y := 50b0104773SPascal Brandcppflags-remove-$(1)-y := 5173dc728dSJerome Forissiercppflags-lib-y := 52b0104773SPascal Brandaflags-$(1)-y := 53b0104773SPascal Brandaflags-remove-$(1)-y := 5473dc728dSJerome Forissierincdirs-$(1)-y := 55b0104773SPascal Brandfname := 56b0104773SPascal Brandoname := 57b0104773SPascal Brandendef #process-subdir-srcs-y 58b0104773SPascal Brand 59b0104773SPascal Branddefine process-subdir 60b0104773SPascal Brandsub-dir := $1 61b0104773SPascal Brandinclude $1/sub.mk 62b0104773SPascal Brandsub-subdirs := $$(addprefix $1/,$$(subdirs-y)) 63b0104773SPascal Brandincdirs$(sm) := $(incdirs$(sm)) $$(addprefix $1/,$$(global-incdirs-y)) 6473dc728dSJerome Forissierthissubdir-incdirs := $$(addprefix $1/,$$(incdirs-y)) 6573dc728dSJerome Forissierifneq ($$(libname),) 6673dc728dSJerome Forissierincdirs-lib$$(libname) := $$(incdirs-lib$$(libname)) $$(addprefix $1/,$$(incdirs-lib-y)) 67*3d34e125SJerome Forissiercflags-lib$$(libname) := $$(cflags-lib$$(libname)) $$(cflags-lib-y) 6873dc728dSJerome Forissiercppflags-lib$$(libname) := $$(cppflags-lib$$(libname)) $$(cppflags-lib-y) 6973dc728dSJerome Forissierendif 70b0104773SPascal Brand 71b0104773SPascal Brand# Process files in current directory 72b0104773SPascal Brand$$(foreach s, $$(srcs-y), $$(eval $$(call process-subdir-srcs-y,$$(s)))) 73b0104773SPascal Brand# Clear flags used when processing current directory 74b0104773SPascal Brandsrcs-y := 75b0104773SPascal Brandcflags-y := 76*3d34e125SJerome Forissiercflags-lib-y := 77b0104773SPascal Brandcppflags-y := 7873dc728dSJerome Forissiercppflags-lib-y := 79b0104773SPascal Brandaflags-y := 80b0104773SPascal Brandcflags-remove-y := 81b0104773SPascal Brandsubdirs-y := 82b0104773SPascal Brandglobal-incdirs-y := 8373dc728dSJerome Forissierincdirs-lib-y := 8473dc728dSJerome Forissierincdirs-y := 85b0104773SPascal Brand 86b0104773SPascal Brand# Process subdirectories in current directory 87b0104773SPascal Brand$$(foreach sd, $$(sub-subdirs), $$(eval $$(call process-subdir,$$(sd)))) 88b0104773SPascal Brandendef #process-subdir 89b0104773SPascal Brand 90b0104773SPascal Brand# Top subdirectories 91b0104773SPascal Brand$(foreach sd, $(subdirs), $(eval $(call process-subdir,$(sd)))) 92