1*752677e8SIvan Khoronzhuk# SPDX-License-Identifier: GPL-2.0 2*752677e8SIvan Khoronzhuk# ========================================================================== 3*752677e8SIvan Khoronzhuk# Building binaries on the host system 4*752677e8SIvan Khoronzhuk# Binaries are not used during the compilation of the kernel, and intended 5*752677e8SIvan Khoronzhuk# to be build for target board, target board can be host of course. Added to 6*752677e8SIvan Khoronzhuk# build binaries to run not on host system. 7*752677e8SIvan Khoronzhuk# 8*752677e8SIvan Khoronzhuk# Sample syntax 9*752677e8SIvan Khoronzhuk# tprogs-y := xsk_example 10*752677e8SIvan Khoronzhuk# Will compile xsk_example.c and create an executable named xsk_example 11*752677e8SIvan Khoronzhuk# 12*752677e8SIvan Khoronzhuk# tprogs-y := xdpsock 13*752677e8SIvan Khoronzhuk# xdpsock-objs := xdpsock_1.o xdpsock_2.o 14*752677e8SIvan Khoronzhuk# Will compile xdpsock_1.c and xdpsock_2.c, and then link the executable 15*752677e8SIvan Khoronzhuk# xdpsock, based on xdpsock_1.o and xdpsock_2.o 16*752677e8SIvan Khoronzhuk# 17*752677e8SIvan Khoronzhuk# Derived from scripts/Makefile.host 18*752677e8SIvan Khoronzhuk# 19*752677e8SIvan Khoronzhuk__tprogs := $(sort $(tprogs-y)) 20*752677e8SIvan Khoronzhuk 21*752677e8SIvan Khoronzhuk# C code 22*752677e8SIvan Khoronzhuk# Executables compiled from a single .c file 23*752677e8SIvan Khoronzhuktprog-csingle := $(foreach m,$(__tprogs), \ 24*752677e8SIvan Khoronzhuk $(if $($(m)-objs),,$(m))) 25*752677e8SIvan Khoronzhuk 26*752677e8SIvan Khoronzhuk# C executables linked based on several .o files 27*752677e8SIvan Khoronzhuktprog-cmulti := $(foreach m,$(__tprogs),\ 28*752677e8SIvan Khoronzhuk $(if $($(m)-objs),$(m))) 29*752677e8SIvan Khoronzhuk 30*752677e8SIvan Khoronzhuk# Object (.o) files compiled from .c files 31*752677e8SIvan Khoronzhuktprog-cobjs := $(sort $(foreach m,$(__tprogs),$($(m)-objs))) 32*752677e8SIvan Khoronzhuk 33*752677e8SIvan Khoronzhuktprog-csingle := $(addprefix $(obj)/,$(tprog-csingle)) 34*752677e8SIvan Khoronzhuktprog-cmulti := $(addprefix $(obj)/,$(tprog-cmulti)) 35*752677e8SIvan Khoronzhuktprog-cobjs := $(addprefix $(obj)/,$(tprog-cobjs)) 36*752677e8SIvan Khoronzhuk 37*752677e8SIvan Khoronzhuk##### 38*752677e8SIvan Khoronzhuk# Handle options to gcc. Support building with separate output directory 39*752677e8SIvan Khoronzhuk 40*752677e8SIvan Khoronzhuk_tprogc_flags = $(TPROGS_CFLAGS) \ 41*752677e8SIvan Khoronzhuk $(TPROGCFLAGS_$(basetarget).o) 42*752677e8SIvan Khoronzhuk 43*752677e8SIvan Khoronzhuk# $(objtree)/$(obj) for including generated headers from checkin source files 44*752677e8SIvan Khoronzhukifeq ($(KBUILD_EXTMOD),) 45*752677e8SIvan Khoronzhukifdef building_out_of_srctree 46*752677e8SIvan Khoronzhuk_tprogc_flags += -I $(objtree)/$(obj) 47*752677e8SIvan Khoronzhukendif 48*752677e8SIvan Khoronzhukendif 49*752677e8SIvan Khoronzhuk 50*752677e8SIvan Khoronzhuktprogc_flags = -Wp,-MD,$(depfile) $(_tprogc_flags) 51*752677e8SIvan Khoronzhuk 52*752677e8SIvan Khoronzhuk# Create executable from a single .c file 53*752677e8SIvan Khoronzhuk# tprog-csingle -> Executable 54*752677e8SIvan Khoronzhukquiet_cmd_tprog-csingle = CC $@ 55*752677e8SIvan Khoronzhuk cmd_tprog-csingle = $(CC) $(tprogc_flags) $(TPROGS_LDFLAGS) -o $@ $< \ 56*752677e8SIvan Khoronzhuk $(TPROGS_LDLIBS) $(TPROGLDLIBS_$(@F)) 57*752677e8SIvan Khoronzhuk$(tprog-csingle): $(obj)/%: $(src)/%.c FORCE 58*752677e8SIvan Khoronzhuk $(call if_changed_dep,tprog-csingle) 59*752677e8SIvan Khoronzhuk 60*752677e8SIvan Khoronzhuk# Link an executable based on list of .o files, all plain c 61*752677e8SIvan Khoronzhuk# tprog-cmulti -> executable 62*752677e8SIvan Khoronzhukquiet_cmd_tprog-cmulti = LD $@ 63*752677e8SIvan Khoronzhuk cmd_tprog-cmulti = $(CC) $(tprogc_flags) $(TPROGS_LDFLAGS) -o $@ \ 64*752677e8SIvan Khoronzhuk $(addprefix $(obj)/,$($(@F)-objs)) \ 65*752677e8SIvan Khoronzhuk $(TPROGS_LDLIBS) $(TPROGLDLIBS_$(@F)) 66*752677e8SIvan Khoronzhuk$(tprog-cmulti): $(tprog-cobjs) FORCE 67*752677e8SIvan Khoronzhuk $(call if_changed,tprog-cmulti) 68*752677e8SIvan Khoronzhuk$(call multi_depend, $(tprog-cmulti), , -objs) 69*752677e8SIvan Khoronzhuk 70*752677e8SIvan Khoronzhuk# Create .o file from a single .c file 71*752677e8SIvan Khoronzhuk# tprog-cobjs -> .o 72*752677e8SIvan Khoronzhukquiet_cmd_tprog-cobjs = CC $@ 73*752677e8SIvan Khoronzhuk cmd_tprog-cobjs = $(CC) $(tprogc_flags) -c -o $@ $< 74*752677e8SIvan Khoronzhuk$(tprog-cobjs): $(obj)/%.o: $(src)/%.c FORCE 75*752677e8SIvan Khoronzhuk $(call if_changed_dep,tprog-cobjs) 76