kbuild: Replace HTTP links with HTTPS ones
[linux-block.git] / scripts / Makefile.host
CommitLineData
b2441318 1# SPDX-License-Identifier: GPL-2.0
cf8dfd15
MY
2
3# LEX
4# ---------------------------------------------------------------------------
5quiet_cmd_flex = LEX $@
6 cmd_flex = $(LEX) -o$@ -L $<
7
8$(obj)/%.lex.c: $(src)/%.l FORCE
9 $(call if_changed,flex)
10
11# YACC
12# ---------------------------------------------------------------------------
13quiet_cmd_bison = YACC $(basename $@).[ch]
14 cmd_bison = $(YACC) -o $(basename $@).c --defines=$(basename $@).h -t -l $<
15
16$(obj)/%.tab.c $(obj)/%.tab.h: $(src)/%.y FORCE
17 $(call if_changed,bison)
18
1da177e4
LT
19# ==========================================================================
20# Building binaries on the host system
21# Binaries are used during the compilation of the kernel, for example
22# to preprocess a data file.
23#
3156fd05 24# Both C and C++ are supported, but preferred language is C for such utilities.
1da177e4 25#
cd238eff 26# Sample syntax (see Documentation/kbuild/makefiles.rst for reference)
5f2fb52f 27# hostprogs := bin2hex
1da177e4
LT
28# Will compile bin2hex.c and create an executable named bin2hex
29#
5f2fb52f 30# hostprogs := lxdialog
1da177e4
LT
31# lxdialog-objs := checklist.o lxdialog.o
32# Will compile lxdialog.c and checklist.c, and then link the executable
33# lxdialog, based on checklist.o and lxdialog.o
34#
5f2fb52f 35# hostprogs := qconf
1da177e4
LT
36# qconf-cxxobjs := qconf.o
37# qconf-objs := menu.o
38# Will compile qconf as a C++ program, and menu as a C program.
39# They are linked as C++ code to the executable qconf
40
5f2fb52f 41__hostprogs := $(sort $(hostprogs))
24403874 42host-cxxshlib := $(sort $(hostcxxlibs-y) $(hostcxxlibs-m))
1da177e4 43
1da177e4
LT
44# C code
45# Executables compiled from a single .c file
edb950c1
MY
46host-csingle := $(foreach m,$(__hostprogs), \
47 $(if $($(m)-objs)$($(m)-cxxobjs),,$(m)))
1da177e4
LT
48
49# C executables linked based on several .o files
50host-cmulti := $(foreach m,$(__hostprogs),\
51 $(if $($(m)-cxxobjs),,$(if $($(m)-objs),$(m))))
52
53# Object (.o) files compiled from .c files
54host-cobjs := $(sort $(foreach m,$(__hostprogs),$($(m)-objs)))
55
56# C++ code
d8d9efe2 57# C++ executables compiled from at least one .cc file
1da177e4
LT
58# and zero or more .c files
59host-cxxmulti := $(foreach m,$(__hostprogs),$(if $($(m)-cxxobjs),$(m)))
60
61# C++ Object (.o) files compiled from .cc files
62host-cxxobjs := $(sort $(foreach m,$(host-cxxmulti),$($(m)-cxxobjs)))
63
24403874 64# Object (.o) files used by the shared libaries
24403874
ER
65host-cxxshobjs := $(sort $(foreach m,$(host-cxxshlib),$($(m:.so=-objs))))
66
1da177e4
LT
67host-csingle := $(addprefix $(obj)/,$(host-csingle))
68host-cmulti := $(addprefix $(obj)/,$(host-cmulti))
69host-cobjs := $(addprefix $(obj)/,$(host-cobjs))
70host-cxxmulti := $(addprefix $(obj)/,$(host-cxxmulti))
71host-cxxobjs := $(addprefix $(obj)/,$(host-cxxobjs))
24403874 72host-cxxshlib := $(addprefix $(obj)/,$(host-cxxshlib))
24403874 73host-cxxshobjs := $(addprefix $(obj)/,$(host-cxxshobjs))
1da177e4
LT
74
75#####
76# Handle options to gcc. Support building with separate output directory
77
96f14fe7 78_hostc_flags = $(KBUILD_HOSTCFLAGS) $(HOST_EXTRACFLAGS) \
54b8ae66 79 $(HOSTCFLAGS_$(target-stem).o)
10844aeb 80_hostcxx_flags = $(KBUILD_HOSTCXXFLAGS) $(HOST_EXTRACXXFLAGS) \
54b8ae66 81 $(HOSTCXXFLAGS_$(target-stem).o)
1da177e4 82
cdd750bf 83# $(objtree)/$(obj) for including generated headers from checkin source files
58156ba4 84ifeq ($(KBUILD_EXTMOD),)
051f278e 85ifdef building_out_of_srctree
cdd750bf
MY
86_hostc_flags += -I $(objtree)/$(obj)
87_hostcxx_flags += -I $(objtree)/$(obj)
1da177e4 88endif
58156ba4 89endif
1da177e4 90
30a77297
MY
91hostc_flags = -Wp,-MMD,$(depfile) $(_hostc_flags)
92hostcxx_flags = -Wp,-MMD,$(depfile) $(_hostcxx_flags)
1da177e4
LT
93
94#####
95# Compile programs on the host
96
97# Create executable from a single .c file
98# host-csingle -> Executable
99quiet_cmd_host-csingle = HOSTCC $@
b90a3680 100 cmd_host-csingle = $(HOSTCC) $(hostc_flags) $(KBUILD_HOSTLDFLAGS) -o $@ $< \
54b8ae66 101 $(KBUILD_HOSTLDLIBS) $(HOSTLDLIBS_$(target-stem))
767e581d 102$(host-csingle): $(obj)/%: $(src)/%.c FORCE
1da177e4
LT
103 $(call if_changed_dep,host-csingle)
104
105# Link an executable based on list of .o files, all plain c
106# host-cmulti -> executable
107quiet_cmd_host-cmulti = HOSTLD $@
b90a3680 108 cmd_host-cmulti = $(HOSTCC) $(KBUILD_HOSTLDFLAGS) -o $@ \
54b8ae66
MY
109 $(addprefix $(obj)/, $($(target-stem)-objs)) \
110 $(KBUILD_HOSTLDLIBS) $(HOSTLDLIBS_$(target-stem))
97e3226e 111$(host-cmulti): FORCE
1da177e4 112 $(call if_changed,host-cmulti)
97e3226e 113$(call multi_depend, $(host-cmulti), , -objs)
1da177e4
LT
114
115# Create .o file from a single .c file
116# host-cobjs -> .o
117quiet_cmd_host-cobjs = HOSTCC $@
118 cmd_host-cobjs = $(HOSTCC) $(hostc_flags) -c -o $@ $<
767e581d 119$(host-cobjs): $(obj)/%.o: $(src)/%.c FORCE
1da177e4
LT
120 $(call if_changed_dep,host-cobjs)
121
122# Link an executable based on list of .o files, a mixture of .c and .cc
123# host-cxxmulti -> executable
124quiet_cmd_host-cxxmulti = HOSTLD $@
b90a3680 125 cmd_host-cxxmulti = $(HOSTCXX) $(KBUILD_HOSTLDFLAGS) -o $@ \
1da177e4 126 $(foreach o,objs cxxobjs,\
54b8ae66
MY
127 $(addprefix $(obj)/, $($(target-stem)-$(o)))) \
128 $(KBUILD_HOSTLDLIBS) $(HOSTLDLIBS_$(target-stem))
97e3226e 129$(host-cxxmulti): FORCE
1da177e4 130 $(call if_changed,host-cxxmulti)
97e3226e 131$(call multi_depend, $(host-cxxmulti), , -objs -cxxobjs)
1da177e4
LT
132
133# Create .o file from a single .cc (C++) file
134quiet_cmd_host-cxxobjs = HOSTCXX $@
135 cmd_host-cxxobjs = $(HOSTCXX) $(hostcxx_flags) -c -o $@ $<
767e581d 136$(host-cxxobjs): $(obj)/%.o: $(src)/%.cc FORCE
1da177e4
LT
137 $(call if_changed_dep,host-cxxobjs)
138
24403874
ER
139# Compile .c file, create position independent .o file
140# Note that plugin capable gcc versions can be either C or C++ based
141# therefore plugin source files have to be compilable in both C and C++ mode.
142# This is why a C++ compiler is invoked on a .c file.
143# host-cxxshobjs -> .o
144quiet_cmd_host-cxxshobjs = HOSTCXX -fPIC $@
145 cmd_host-cxxshobjs = $(HOSTCXX) $(hostcxx_flags) -fPIC -c -o $@ $<
146$(host-cxxshobjs): $(obj)/%.o: $(src)/%.c FORCE
147 $(call if_changed_dep,host-cxxshobjs)
148
24403874
ER
149# Link a shared library, based on position independent .o files
150# *.o -> .so shared library (host-cxxshlib)
151quiet_cmd_host-cxxshlib = HOSTLLD -shared $@
b90a3680 152 cmd_host-cxxshlib = $(HOSTCXX) $(KBUILD_HOSTLDFLAGS) -shared -o $@ \
54b8ae66
MY
153 $(addprefix $(obj)/, $($(target-stem)-objs)) \
154 $(KBUILD_HOSTLDLIBS) $(HOSTLDLIBS_$(target-stem).so)
24403874
ER
155$(host-cxxshlib): FORCE
156 $(call if_changed,host-cxxshlib)
157$(call multi_depend, $(host-cxxshlib), .so, -objs)
158
1da177e4 159targets += $(host-csingle) $(host-cmulti) $(host-cobjs)\
77342a02 160 $(host-cxxmulti) $(host-cxxobjs) $(host-cxxshlib) $(host-cxxshobjs)