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_CFLAGS) \
78 $(CFLAGS_$(@)) $(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 $(CFLAGS) \
83 $(CFLAGS_$(@)) $(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 $(@)")
87 C_TO_O_CMD = 'cmd_$@ = $(C_TO_O_STR)'
88 C_TO_O_DO = @set -e; \
89 echo $(C_TO_O_DISP); \
91 sh -c "grep -q \"PMD_REGISTER_DRIVER(.*)\" $<; \
92 if [ \$$? -eq 0 ]; then \
93 echo \" PMDINFOGEN\" $@; \
94 OBJF=`readlink -f $@`; \
95 $(RTE_SDK_BIN)/app/pmdinfogen \$$OBJF \$$OBJF.pmd.c; \
98 echo \" PMDINFOBUILD\" $@; \
99 $(CC) $(CFLAGS) -c -o \$$OBJF.pmd.o \$$OBJF.pmd.c; \
100 $(CROSS)ld $(LDFLAGS) -r -o \$$OBJF.o \$$OBJF.pmd.o \$$OBJF; \
101 mv -f \$$OBJF.o \$$OBJF; \
104 echo $(C_TO_O_CMD) > $(call obj2cmd,$(@)) && \
105 sed 's,'$@':,dep_'$@' =,' $(call obj2dep,$(@)).tmp > $(call obj2dep,$(@)) && \
106 rm -f $(call obj2dep,$(@)).tmp
109 # return an empty string if string are equal
110 compare = $(strip $(subst $(1),,$(2)) $(subst $(2),,$(1)))
112 # return a non-empty string if the dst file does not exist
113 file_missing = $(call compare,$(wildcard $@),$@)
115 # return a non-empty string if cmdline changed
116 cmdline_changed = $(call compare,$(strip $(cmd_$@)),$(strip $(1)))
118 # return a non-empty string if a dependency file does not exist
119 depfile_missing = $(call compare,$(wildcard $(dep_$@)),$(dep_$@))
121 # return an empty string if no prereq is newer than target
122 # - $^ -> names of all the prerequisites
123 # - $(wildcard $^) -> every existing prereq
124 # - $(filter-out $(wildcard $^),$^) -> every prereq that don't
125 # exist (filter-out removes existing ones from the list)
126 # - $? -> names of all the prerequisites newer than target
127 depfile_newer = $(strip $(filter-out FORCE,$? \
128 $(filter-out $(wildcard $^),$^)))
130 # return 1 if parameter is a non-empty string, else 0
131 boolean = $(if $1,1,0)
134 # Compile .c file if needed
135 # Note: dep_$$@ is from the .d file and DEP_$$@ can be specified by
136 # user (by default it is empty)
139 %.o: %.c $$(wildcard $$(dep_$$@)) $$(DEP_$$(@)) FORCE
140 @[ -d $(dir $@) ] || mkdir -p $(dir $@)
142 @echo -n "$< -> $@ " ; \
143 echo -n "file_missing=$(call boolean,$(file_missing)) " ; \
144 echo -n "cmdline_changed=$(call boolean,$(call cmdline_changed,$(C_TO_O))) " ; \
145 echo -n "depfile_missing=$(call boolean,$(depfile_missing)) " ; \
146 echo "depfile_newer=$(call boolean,$(depfile_newer))")
149 $(call cmdline_changed,$(C_TO_O)),\
154 # command to assemble a .S file to generate an object
156 S_TO_O = $(CPP) $(HOST_CPPFLAGS) $($(@)_CPPFLAGS) $(HOST_EXTRA_CPPFLAGS) $< $(@).tmp && \
157 $(HOSTAS) $(HOST_ASFLAGS) $($(@)_ASFLAGS) $(HOST_EXTRA_ASFLAGS) -o $@ $(@).tmp
158 S_TO_O_STR = $(subst ','\'',$(S_TO_O)) #'# fix syntax highlight
159 S_TO_O_DISP = $(if $(V),"$(S_TO_O_STR)"," HOSTAS $(@)")
161 S_TO_O = $(CPP) $(CPPFLAGS) $($(@)_CPPFLAGS) $(EXTRA_CPPFLAGS) $< -o $(@).tmp && \
162 $(AS) $(ASFLAGS) $($(@)_ASFLAGS) $(EXTRA_ASFLAGS) -o $@ $(@).tmp
163 S_TO_O_STR = $(subst ','\'',$(S_TO_O)) #'# fix syntax highlight
164 S_TO_O_DISP = $(if $(V),"$(S_TO_O_STR)"," AS $(@)")
167 S_TO_O_CMD = "cmd_$@ = $(S_TO_O_STR)"
168 S_TO_O_DO = @set -e; \
169 echo $(S_TO_O_DISP); \
171 echo $(S_TO_O_CMD) > $(call obj2cmd,$(@))
174 # Compile .S file if needed
175 # Note: DEP_$$@ can be specified by user (by default it is empty)
177 %_s.o: %.S $$(DEP_$$@) FORCE
178 @[ ! -d $(dir $@) ] || mkdir -p $(dir $@)
180 @echo -n "$< -> $@ " ; \
181 echo -n "file_missing=$(call boolean,$(file_missing)) " ; \
182 echo -n "cmdline_changed=$(call boolean,$(call cmdline_changed,$(S_TO_O_STR))) " ; \
183 echo -n "depfile_missing=$(call boolean,$(depfile_missing)) " ; \
184 echo "depfile_newer=$(call boolean,$(depfile_newer)) ")
187 $(call cmdline_changed,$(S_TO_O_STR)),\