diff options
Diffstat (limited to 'scripts/Makefile.host')
| -rw-r--r-- | scripts/Makefile.host | 56 |
1 files changed, 36 insertions, 20 deletions
diff --git a/scripts/Makefile.host b/scripts/Makefile.host index 8a88cbc9ae..038b3054ab 100644 --- a/scripts/Makefile.host +++ b/scripts/Makefile.host @@ -1,3 +1,21 @@ +# SPDX-License-Identifier: GPL-2.0 + +# LEX +# --------------------------------------------------------------------------- +quiet_cmd_flex = LEX $@ + cmd_flex = $(LEX) -o$@ -L $< + +$(obj)/%.lex.c: $(src)/%.l FORCE + $(call if_changed,flex) + +# YACC +# --------------------------------------------------------------------------- +quiet_cmd_bison = YACC $(basename $@).[ch] + cmd_bison = $(YACC) -o $(basename $@).c --defines=$(basename $@).h -t -l $< + +$(obj)/%.tab.c $(obj)/%.tab.h: $(src)/%.y FORCE + $(call if_changed,bison) + # ========================================================================== # Building binaries on the host system # Binaries are used during the compilation of the kernel, for example @@ -5,22 +23,22 @@ # # Both C and C++ are supported, but preferred language is C for such utilities. # -# Sample syntax (see Documentation/kbuild/makefiles.txt for reference) -# hostprogs-y := bin2hex +# Sample syntax (see Documentation/kbuild/makefiles.rst for reference) +# hostprogs := bin2hex # Will compile bin2hex.c and create an executable named bin2hex # -# hostprogs-y := lxdialog +# hostprogs := lxdialog # lxdialog-objs := checklist.o lxdialog.o # Will compile lxdialog.c and checklist.c, and then link the executable # lxdialog, based on checklist.o and lxdialog.o # -# hostprogs-y := qconf +# hostprogs := qconf # qconf-cxxobjs := qconf.o # qconf-objs := menu.o # Will compile qconf as a C++ program, and menu as a C program. # They are linked as C++ code to the executable qconf -__hostprogs := $(sort $(hostprogs-y) $(hostprogs-m)) +__hostprogs := $(sort $(hostprogs)) # C code # Executables compiled from a single .c file @@ -58,17 +76,15 @@ host-cxxmulti := $(addprefix $(obj)/,$(host-cxxmulti)) host-cxxobjs := $(addprefix $(obj)/,$(host-cxxobjs)) host-objdirs := $(addprefix $(obj)/,$(host-objdirs)) -obj-dirs += $(host-objdirs) - ##### # Handle options to gcc. Support building with separate output directory -_hostc_flags = $(HOSTCFLAGS) $(HOST_EXTRACFLAGS) \ - $(HOSTCFLAGS_$(basetarget).o) -_hostcxx_flags = $(HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \ - $(HOSTCXXFLAGS_$(basetarget).o) +_hostc_flags = $(KBUILD_HOSTCFLAGS) $(HOST_EXTRACFLAGS) \ + $(HOSTCFLAGS_$(target-stem).o) +_hostcxx_flags = $(KBUILD_HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \ + $(HOSTCXXFLAGS_$(target-stem).o) -ifeq ($(KBUILD_SRC),) +ifndef building_out_of_srctree __hostc_flags = $(_hostc_flags) __hostcxx_flags = $(_hostcxx_flags) else @@ -85,17 +101,17 @@ hostcxx_flags = -Wp,-MD,$(depfile) $(__hostcxx_flags) # Create executable from a single .c file # host-csingle -> Executable quiet_cmd_host-csingle = HOSTCC $@ - cmd_host-csingle = $(HOSTCC) $(hostc_flags) $(HOSTLDFLAGS) -o $@ $< \ - $(HOST_LOADLIBES) $(HOSTLDLIBS_$(@F)) + cmd_host-csingle = $(HOSTCC) $(hostc_flags) $(KBUILD_HOSTLDFLAGS) -o $@ $< \ + $(KBUILD_HOSTLDLIBS) $(HOSTLDLIBS_$(target-stem)) $(host-csingle): $(obj)/%: $(src)/%.c FORCE $(call if_changed_dep,host-csingle) # Link an executable based on list of .o files, all plain c # host-cmulti -> executable quiet_cmd_host-cmulti = HOSTLD $@ - cmd_host-cmulti = $(HOSTCC) $(HOSTLDFLAGS) -o $@ \ - $(addprefix $(obj)/,$($(@F)-objs)) \ - $(HOST_LOADLIBES) $(HOSTLDLIBS_$(@F)) + cmd_host-cmulti = $(HOSTCC) $(KBUILD_HOSTLDFLAGS) -o $@ \ + $(addprefix $(obj)/, $($(target-stem)-objs)) \ + $(KBUILD_HOSTLDLIBS) $(HOSTLDLIBS_$(target-stem)) $(host-cmulti): FORCE $(call if_changed,host-cmulti) $(call multi_depend, $(host-cmulti), , -objs) @@ -110,10 +126,10 @@ $(host-cobjs): $(obj)/%.o: $(src)/%.c FORCE # Link an executable based on list of .o files, a mixture of .c and .cc # host-cxxmulti -> executable quiet_cmd_host-cxxmulti = HOSTLD $@ - cmd_host-cxxmulti = $(HOSTCXX) $(HOSTLDFLAGS) -o $@ \ + cmd_host-cxxmulti = $(HOSTCXX) $(KBUILD_HOSTLDFLAGS) -o $@ \ $(foreach o,objs cxxobjs,\ - $(addprefix $(obj)/,$($(@F)-$(o)))) \ - $(HOST_LOADLIBES) $(HOSTLDLIBS_$(@F)) + $(addprefix $(obj)/, $($(target-stem)-$(o)))) \ + $(KBUILD_HOSTLDLIBS) $(HOSTLDLIBS_$(target-stem)) $(host-cxxmulti): FORCE $(call if_changed,host-cxxmulti) $(call multi_depend, $(host-cxxmulti), , -objs -cxxobjs) |