--- zzzz-none-000/linux-3.10.107/scripts/Makefile.host 2017-06-27 09:49:32.000000000 +0000 +++ scorpion-7490-727/linux-3.10.107/scripts/Makefile.host 2021-02-04 17:41:59.000000000 +0000 @@ -20,21 +20,12 @@ # Will compile qconf as a C++ program, and menu as a C program. # They are linked as C++ code to the executable qconf -# hostprogs-y := conf -# conf-objs := conf.o libkconfig.so -# libkconfig-objs := expr.o type.o -# Will create a shared library named libkconfig.so that consists of -# expr.o and type.o (they are both compiled as C code and the object files -# are made as position independent code). -# conf.c is compiled as a C program, and conf.o is linked together with -# libkconfig.so as the executable conf. -# Note: Shared libraries consisting of C++ files are not supported - __hostprogs := $(sort $(hostprogs-y) $(hostprogs-m)) # C code # Executables compiled from a single .c file -host-csingle := $(foreach m,$(__hostprogs),$(if $($(m)-objs),,$(m))) +host-csingle := $(foreach m,$(__hostprogs), \ + $(if $($(m)-objs)$($(m)-cxxobjs),,$(m))) # C executables linked based on several .o files host-cmulti := $(foreach m,$(__hostprogs),\ @@ -44,33 +35,17 @@ host-cobjs := $(sort $(foreach m,$(__hostprogs),$($(m)-objs))) # C++ code -# C++ executables compiled from at least on .cc file +# C++ executables compiled from at least one .cc file # and zero or more .c files host-cxxmulti := $(foreach m,$(__hostprogs),$(if $($(m)-cxxobjs),$(m))) # C++ Object (.o) files compiled from .cc files host-cxxobjs := $(sort $(foreach m,$(host-cxxmulti),$($(m)-cxxobjs))) -# Shared libaries (only .c supported) -# Shared libraries (.so) - all .so files referenced in "xxx-objs" -host-cshlib := $(sort $(filter %.so, $(host-cobjs))) -# Remove .so files from "xxx-objs" -host-cobjs := $(filter-out %.so,$(host-cobjs)) - -#Object (.o) files used by the shared libaries -host-cshobjs := $(sort $(foreach m,$(host-cshlib),$($(m:.so=-objs)))) - # output directory for programs/.o files -# hostprogs-y := tools/build may have been specified. Retrieve directory -host-objdirs := $(foreach f,$(__hostprogs), $(if $(dir $(f)),$(dir $(f)))) -# directory of .o files from prog-objs notation -host-objdirs += $(foreach f,$(host-cmulti), \ - $(foreach m,$($(f)-objs), \ - $(if $(dir $(m)),$(dir $(m))))) -# directory of .o files from prog-cxxobjs notation -host-objdirs += $(foreach f,$(host-cxxmulti), \ - $(foreach m,$($(f)-cxxobjs), \ - $(if $(dir $(m)),$(dir $(m))))) +# hostprogs-y := tools/build may have been specified. +# Retrieve also directory of .o files from prog-objs or prog-cxxobjs notation +host-objdirs := $(dir $(__hostprogs) $(host-cobjs) $(host-cxxobjs)) host-objdirs := $(strip $(sort $(filter-out ./,$(host-objdirs)))) @@ -81,8 +56,6 @@ host-cobjs := $(addprefix $(obj)/,$(host-cobjs)) host-cxxmulti := $(addprefix $(obj)/,$(host-cxxmulti)) host-cxxobjs := $(addprefix $(obj)/,$(host-cxxobjs)) -host-cshlib := $(addprefix $(obj)/,$(host-cshlib)) -host-cshobjs := $(addprefix $(obj)/,$(host-cshobjs)) host-objdirs := $(addprefix $(obj)/,$(host-objdirs)) obj-dirs += $(host-objdirs) @@ -123,8 +96,9 @@ cmd_host-cmulti = $(HOSTCC) $(HOSTLDFLAGS) -o $@ \ $(addprefix $(obj)/,$($(@F)-objs)) \ $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F)) -$(host-cmulti): $(obj)/%: $(host-cobjs) $(host-cshlib) FORCE +$(host-cmulti): FORCE $(call if_changed,host-cmulti) +$(call multi_depend, $(host-cmulti), , -objs) # Create .o file from a single .c file # host-cobjs -> .o @@ -140,8 +114,9 @@ $(foreach o,objs cxxobjs,\ $(addprefix $(obj)/,$($(@F)-$(o)))) \ $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F)) -$(host-cxxmulti): $(obj)/%: $(host-cobjs) $(host-cxxobjs) $(host-cshlib) FORCE +$(host-cxxmulti): FORCE $(call if_changed,host-cxxmulti) +$(call multi_depend, $(host-cxxmulti), , -objs -cxxobjs) # Create .o file from a single .cc (C++) file quiet_cmd_host-cxxobjs = HOSTCXX $@ @@ -149,22 +124,5 @@ $(host-cxxobjs): $(obj)/%.o: $(src)/%.cc FORCE $(call if_changed_dep,host-cxxobjs) -# Compile .c file, create position independent .o file -# host-cshobjs -> .o -quiet_cmd_host-cshobjs = HOSTCC -fPIC $@ - cmd_host-cshobjs = $(HOSTCC) $(hostc_flags) -fPIC -c -o $@ $< -$(host-cshobjs): $(obj)/%.o: $(src)/%.c FORCE - $(call if_changed_dep,host-cshobjs) - -# Link a shared library, based on position independent .o files -# *.o -> .so shared library (host-cshlib) -quiet_cmd_host-cshlib = HOSTLLD -shared $@ - cmd_host-cshlib = $(HOSTCC) $(HOSTLDFLAGS) -shared -o $@ \ - $(addprefix $(obj)/,$($(@F:.so=-objs))) \ - $(HOST_LOADLIBES) $(HOSTLOADLIBES_$(@F)) -$(host-cshlib): $(obj)/%: $(host-cshobjs) FORCE - $(call if_changed,host-cshlib) - targets += $(host-csingle) $(host-cmulti) $(host-cobjs)\ - $(host-cxxmulti) $(host-cxxobjs) $(host-cshlib) $(host-cshobjs) - + $(host-cxxmulti) $(host-cxxobjs)