3 # Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
6 # Redistribution and use in source and binary forms, with or without
7 # modification, are permitted provided that the following conditions
10 # * Redistributions of source code must retain the above copyright
11 # notice, this list of conditions and the following disclaimer.
12 # * Redistributions in binary form must reproduce the above copyright
13 # notice, this list of conditions and the following disclaimer in
14 # the documentation and/or other materials provided with the
16 # * Neither the name of Intel Corporation nor the names of its
17 # contributors may be used to endorse or promote products derived
18 # from this software without specific prior written permission.
20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 # Common to rte.lib.mk, rte.app.mk, rte.obj.mk
36 SRCS-all := $(SRCS-y) $(SRCS-n) $(SRCS-)
38 # convert source to obj file
39 src2obj = $(strip $(patsubst %.c,%.o,\
40 $(patsubst %.S,%_s.o,$(1))))
42 # add a dot in front of the file name
43 dotfile = $(strip $(foreach f,$(1),\
44 $(join $(dir $f),.$(notdir $f))))
46 # convert source/obj files into dot-dep filename (does not
48 src2dep = $(strip $(call dotfile,$(patsubst %.c,%.o.d, \
49 $(patsubst %.S,,$(1)))))
50 obj2dep = $(strip $(call dotfile,$(patsubst %.o,%.o.d,$(1))))
52 # convert source/obj files into dot-cmd filename
53 src2cmd = $(strip $(call dotfile,$(patsubst %.c,%.o.cmd, \
54 $(patsubst %.S,%_s.o.cmd,$(1)))))
55 obj2cmd = $(strip $(call dotfile,$(patsubst %.o,%.o.cmd,$(1))))
57 OBJS-y := $(call src2obj,$(SRCS-y))
58 OBJS-n := $(call src2obj,$(SRCS-n))
59 OBJS- := $(call src2obj,$(SRCS-))
60 OBJS-all := $(filter-out $(SRCS-all),$(OBJS-y) $(OBJS-n) $(OBJS-))
62 DEPS-y := $(call src2dep,$(SRCS-y))
63 DEPS-n := $(call src2dep,$(SRCS-n))
64 DEPS- := $(call src2dep,$(SRCS-))
65 DEPS-all := $(DEPS-y) $(DEPS-n) $(DEPS-)
66 DEPSTMP-all := $(DEPS-all:%.d=%.d.tmp)
68 CMDS-y := $(call src2cmd,$(SRCS-y))
69 CMDS-n := $(call src2cmd,$(SRCS-n))
70 CMDS- := $(call src2cmd,$(SRCS-))
71 CMDS-all := $(CMDS-y) $(CMDS-n) $(CMDS-)
73 -include $(DEPS-y) $(CMDS-y)
75 # command to compile a .c file to generate an object
77 C_TO_O = $(HOSTCC) -Wp,-MD,$(call obj2dep,$(@)).tmp $(HOST_CPPFLAGS) $(HOST_CFLAGS) \
78 $(CFLAGS_$(@)) $(HOST_EXTRA_CPPFLAGS) $(HOST_EXTRA_CFLAGS) -o $@ -c $<
79 C_TO_O_STR = $(subst ','\'',$(C_TO_O)) #'# fix syntax highlight
80 C_TO_O_DISP = $(if $(V),"$(C_TO_O_STR)"," HOSTCC $(@)")
82 C_TO_O = $(CC) -Wp,-MD,$(call obj2dep,$(@)).tmp $(CPPFLAGS) $(CFLAGS) \
83 $(CFLAGS_$(@)) $(EXTRA_CPPFLAGS) $(EXTRA_CFLAGS) -o $@ -c $<
84 C_TO_O_STR = $(subst ','\'',$(C_TO_O)) #'# fix syntax highlight
85 C_TO_O_DISP = $(if $(V),"$(C_TO_O_STR)"," CC $(@)")
87 PMDINFO_GEN = $(RTE_SDK_BIN)/app/dpdk-pmdinfogen $@ $@.pmd.c
88 PMDINFO_CC = $(CC) $(CPPFLAGS) $(CFLAGS) -c -o $@.pmd.o $@.pmd.c
89 PMDINFO_LD = $(CROSS)ld $(LDFLAGS) -r -o $@.o $@.pmd.o $@
90 PMDINFO_TO_O = if grep -q 'RTE_PMD_REGISTER_.*(.*)' $<; then \
91 echo "$(if $V,$(PMDINFO_GEN), PMDINFO $@.pmd.c)" && \
93 echo "$(if $V,$(PMDINFO_CC), CC $@.pmd.o)" && \
95 echo "$(if $V,$(PMDINFO_LD), LD $@)" && \
98 C_TO_O_CMD = 'cmd_$@ = $(C_TO_O_STR)'
99 C_TO_O_DO = @set -e; \
100 echo $(C_TO_O_DISP); \
103 echo $(C_TO_O_CMD) > $(call obj2cmd,$(@)) && \
104 sed 's,'$@':,dep_'$@' =,' $(call obj2dep,$(@)).tmp > $(call obj2dep,$(@)) && \
105 rm -f $(call obj2dep,$(@)).tmp
107 # return an empty string if string are equal
108 compare = $(strip $(subst $(1),,$(2)) $(subst $(2),,$(1)))
110 # return a non-empty string if the dst file does not exist
111 file_missing = $(call compare,$(wildcard $@),$@)
113 # return a non-empty string if cmdline changed
114 cmdline_changed = $(call compare,$(strip $(cmd_$@)),$(strip $(1)))
116 # return a non-empty string if a dependency file does not exist
117 depfile_missing = $(call compare,$(wildcard $(dep_$@)),$(dep_$@))
119 # return an empty string if no prereq is newer than target
120 # - $^ -> names of all the prerequisites
121 # - $(wildcard $^) -> every existing prereq
122 # - $(filter-out $(wildcard $^),$^) -> every prereq that don't
123 # exist (filter-out removes existing ones from the list)
124 # - $? -> names of all the prerequisites newer than target
125 depfile_newer = $(strip $(filter-out FORCE,$? \
126 $(filter-out $(wildcard $^),$^)))
128 # return 1 if parameter is a non-empty string, else 0
129 boolean = $(if $1,1,0)
132 # Compile .c file if needed
133 # Note: dep_$$@ is from the .d file and DEP_$$@ can be specified by
134 # user (by default it is empty)
137 %.o: %.c $$(wildcard $$(dep_$$@)) $$(DEP_$$(@)) FORCE
138 @[ -d $(dir $@) ] || mkdir -p $(dir $@)
140 @echo -n "$< -> $@ " ; \
141 echo -n "file_missing=$(call boolean,$(file_missing)) " ; \
142 echo -n "cmdline_changed=$(call boolean,$(call cmdline_changed,$(C_TO_O))) " ; \
143 echo -n "depfile_missing=$(call boolean,$(depfile_missing)) " ; \
144 echo "depfile_newer=$(call boolean,$(depfile_newer))")
147 $(call cmdline_changed,$(C_TO_O)),\
152 # command to assemble a .S file to generate an object
154 S_TO_O = $(CPP) $(HOST_CPPFLAGS) $($(@)_CPPFLAGS) $(HOST_EXTRA_CPPFLAGS) $< $(@).tmp && \
155 $(HOSTAS) $(HOST_ASFLAGS) $($(@)_ASFLAGS) $(HOST_EXTRA_ASFLAGS) -o $@ $(@).tmp
156 S_TO_O_STR = $(subst ','\'',$(S_TO_O)) #'# fix syntax highlight
157 S_TO_O_DISP = $(if $(V),"$(S_TO_O_STR)"," HOSTAS $(@)")
159 S_TO_O = $(CPP) $(CPPFLAGS) $($(@)_CPPFLAGS) $(EXTRA_CPPFLAGS) $< -o $(@).tmp && \
160 $(AS) $(ASFLAGS) $($(@)_ASFLAGS) $(EXTRA_ASFLAGS) -o $@ $(@).tmp
161 S_TO_O_STR = $(subst ','\'',$(S_TO_O)) #'# fix syntax highlight
162 S_TO_O_DISP = $(if $(V),"$(S_TO_O_STR)"," AS $(@)")
165 S_TO_O_CMD = "cmd_$@ = $(S_TO_O_STR)"
166 S_TO_O_DO = @set -e; \
167 echo $(S_TO_O_DISP); \
169 echo $(S_TO_O_CMD) > $(call obj2cmd,$(@))
172 # Compile .S file if needed
173 # Note: DEP_$$@ can be specified by user (by default it is empty)
175 %_s.o: %.S $$(DEP_$$@) FORCE
176 @[ ! -d $(dir $@) ] || mkdir -p $(dir $@)
178 @echo -n "$< -> $@ " ; \
179 echo -n "file_missing=$(call boolean,$(file_missing)) " ; \
180 echo -n "cmdline_changed=$(call boolean,$(call cmdline_changed,$(S_TO_O_STR))) " ; \
181 echo -n "depfile_missing=$(call boolean,$(depfile_missing)) " ; \
182 echo "depfile_newer=$(call boolean,$(depfile_newer)) ")
185 $(call cmdline_changed,$(S_TO_O_STR)),\