scripts/config/Makefile

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 # ===========================================================================
   3 # OpenWrt configuration targets
   4
   5 .PHONY: clean all
   6 all: conf mconf
   7 clean:
   8         rm -f $(clean-files) $(hostprogs)
   9
  10 clean-files     := *.o lxdialog/*.o *.moc qconf-moc.cc \
  11                    *conf-cfg # <- This should be removed after 23.05 is EOL
  12
  13 # ===========================================================================
  14 # Variables needed by the upstream Makefile
  15
  16 export HOSTPKG_CONFIG=pkg-config
  17 CONFIG_SHELL:=$(SHELL)
  18 src:=$(CURDIR)
  19 obj:=.
  20 Q:=$(if $V,,@)
  21 quiet:=$(if $V,,_silent)
  22 include Kbuild.include
  23
  24 ### Stripped down upstream Makefile follows:
  25 # ===========================================================================
  26 # object files used by all kconfig flavours
  27 common-objs     := confdata.o expr.o lexer.lex.o menu.o parser.tab.o \
  28                    preprocess.o symbol.o util.o
  29
  30 $(obj)/lexer.lex.o: $(obj)/parser.tab.h
  31 HOSTCFLAGS_lexer.lex.o  := -I $(srctree)/$(src)
  32 HOSTCFLAGS_parser.tab.o := -I $(srctree)/$(src)
  33
  34 # conf: Used for defconfig, oldconfig and related targets
  35 hostprogs       += conf
  36 conf-objs       := conf.o $(common-objs)
  37
  38 # nconf: Used for the nconfig target based on ncurses
  39 hostprogs       += nconf
  40 nconf-objs      := nconf.o nconf.gui.o $(common-objs)
  41
  42 HOSTLDLIBS_nconf       = $(call read-file, $(obj)/nconf-libs)
  43 HOSTCFLAGS_nconf.o     = $(call read-file, $(obj)/nconf-cflags)
  44 HOSTCFLAGS_nconf.gui.o = $(call read-file, $(obj)/nconf-cflags)
  45
  46 $(obj)/nconf: | $(obj)/nconf-libs
  47 $(obj)/nconf.o $(obj)/nconf.gui.o: | $(obj)/nconf-cflags
  48
  49 # mconf: Used for the menuconfig target based on lxdialog
  50 hostprogs       += mconf
  51 lxdialog        := $(addprefix lxdialog/, \
  52                      checklist.o inputbox.o menubox.o textbox.o util.o yesno.o)
  53 mconf-objs      := mconf.o $(lxdialog) $(common-objs)
  54
  55 HOSTLDLIBS_mconf = $(call read-file, $(obj)/mconf-libs)
  56 $(foreach f, mconf.o $(lxdialog), \
  57   $(eval HOSTCFLAGS_$f = $$(call read-file, $(obj)/mconf-cflags)))
  58
  59 $(obj)/mconf: | $(obj)/mconf-libs
  60 $(addprefix $(obj)/, mconf.o $(lxdialog)): | $(obj)/mconf-cflags
  61
  62 # qconf: Used for the xconfig target based on Qt
  63 hostprogs       += qconf
  64 qconf-cxxobjs   := qconf.o qconf-moc.o
  65 qconf-objs      := images.o $(common-objs)
  66
  67 HOSTLDLIBS_qconf         = $(call read-file, $(obj)/qconf-libs)
  68 HOSTCXXFLAGS_qconf.o     = -std=c++11 -fPIC $(call read-file, $(obj)/qconf-cflags)
  69 HOSTCXXFLAGS_qconf-moc.o = -std=c++11 -fPIC $(call read-file, $(obj)/qconf-cflags)
  70 $(obj)/qconf: | $(obj)/qconf-libs
  71 $(obj)/qconf.o $(obj)/qconf-moc.o: | $(obj)/qconf-cflags
  72
  73 quiet_cmd_moc = MOC     $@
  74       cmd_moc = $(call read-file, $(obj)/qconf-bin)/moc $< -o $@
  75
  76 $(obj)/qconf-moc.cc: $(src)/qconf.h FORCE | $(obj)/qconf-bin
  77         $(call if_changed,moc)
  78
  79 targets += qconf-moc.cc
  80
  81 # check if necessary packages are available, and configure build flags
  82 cmd_conf_cfg = $< $(addprefix $(obj)/$*conf-, cflags libs bin); touch $(obj)/$*conf-bin
  83
  84 $(obj)/%conf-cflags $(obj)/%conf-libs $(obj)/%conf-bin: $(src)/%conf-cfg.sh
  85         $(call cmd,conf_cfg)
  86
  87 clean-files += *conf-cflags *conf-libs *conf-bin
  88
  89 # ===========================================================================
  90 # OpenWrt rules and final adjustments that need to be made after reading the
  91 # full upstream Makefile
  92
  93 FORCE:
  94
  95 ifdef BUILD_SHIPPED_FILES
  96 shipped-files := lexer.lex.c parser.tab.c parser.tab.h
  97 clean-files += $(shipped-files)
  98
  99 .SECONDARY: $(shipped-files)
 100
 101 %.tab.c %.tab.h: %.y
 102         bison -l -d -b $* $<
 103
 104 %.lex.c: %.l
 105         flex -L -o$@ $<
 106 endif
 107
 108 define link_rule
 109 $(1): LDLIBS+=$$(HOSTLDLIBS_$(1))
 110 $(1): $($(1)-objs) $$($(1)-cxxobjs)
 111 $(if $($(1)-cxxobjs),   $(CXX) $$(LDFLAGS) -o $$@ $$^ $$(LDLIBS))
 112 all-objs += $($(1)-objs)
 113 all-cxxobjs += $($(1)-cxxobjs)
 114 endef
 115
 116 all-objs:=
 117 all-cxxobjs:=
 118 $(foreach f,$(hostprogs),$(eval $(call link_rule,$f)))
 119
 120
 121 $(foreach f,$(sort $(all-objs)), \
 122   $(eval $f: CFLAGS+=$$(HOSTCFLAGS_$f)))
 123
 124 $(foreach f,$(sort $(all-cxxobjs)), \
 125   $(eval $f: CXXFLAGS+=$$(HOSTCXXFLAGS_$f)))