build: use version number from config file
[dpdk.git] / mk / rte.sdkconfig.mk
1 # SPDX-License-Identifier: BSD-3-Clause
2 # Copyright(c) 2010-2014 Intel Corporation
3
4 .PHONY: showversion
5 showversion:
6         @cat $(RTE_SRCDIR)/VERSION
7
8 .PHONY: showversionum
9 showversionum:
10         @cat $(RTE_SRCDIR)/VERSION | awk -F '.' '{print $$1$$2}'
11
12 INSTALL_CONFIGS := $(sort $(filter-out %app-icc,$(filter-out %app-clang,\
13         $(filter-out %app-gcc,$(filter-out %~,\
14         $(patsubst $(RTE_SRCDIR)/config/defconfig_%,%,\
15         $(wildcard $(RTE_SRCDIR)/config/defconfig_*)))))))
16 INSTALL_TARGETS := $(addsuffix _install,$(INSTALL_CONFIGS))
17
18 .PHONY: showconfigs
19 showconfigs:
20         @$(foreach CONFIG, $(INSTALL_CONFIGS), echo $(CONFIG);)
21
22 .PHONY: notemplate
23 notemplate:
24         @printf "No template specified. Use 'make defconfig' or "
25         @echo "use T=template from the following list:"
26         @$(MAKE) -rR showconfigs | sed 's,^,  ,'
27
28 .PHONY: defconfig
29 defconfig:
30         @$(MAKE) config T=$(shell \
31                 uname -m | awk '{ \
32                 if ($$0 == "aarch64") { \
33                         print "arm64-armv8a"} \
34                 else if ($$0 == "armv7l") { \
35                         print "arm-armv7a"} \
36                 else if ($$0 == "ppc64") { \
37                         print "ppc_64-power8"} \
38                 else if ($$0 == "amd64") { \
39                         print "x86_64-native"} \
40                 else { \
41                         printf "%s-native", $$0} }' \
42                 )-$(shell \
43                 uname | awk '{ \
44                 if ($$0 == "Linux") { \
45                         print "linux"} \
46                 else { \
47                         print "freebsd"} }' \
48                 )-$(shell \
49                 ${CC} --version | grep -o 'cc\|gcc\|icc\|clang' | awk \
50                 '{ \
51                 if ($$1 == "cc") { \
52                         print "gcc" } \
53                 else { \
54                         print $$1 } \
55                 }' \
56                 )
57
58 .PHONY: config
59 ifeq ($(RTE_CONFIG_TEMPLATE),)
60 config: notemplate
61 else
62 config: $(RTE_OUTPUT)/include/rte_config.h $(RTE_OUTPUT)/Makefile
63         @echo "Configuration done using" \
64                 $(patsubst defconfig_%,%,$(notdir $(RTE_CONFIG_TEMPLATE)))
65 endif
66
67 $(RTE_OUTPUT):
68         $(Q)mkdir -p $@
69
70 ifdef NODOTCONF
71 $(RTE_OUTPUT)/.config: ;
72 else
73 # Generate config from template, if there are duplicates keep only the last.
74 # To do so the temp config is checked for duplicate keys with cut/sort/uniq
75 # Then for each of those identified duplicates as long as there are more than
76 # just one left the last match is removed.
77 # Part of the config includes the version information taken from "VERSION"
78 # in the repo. This needs to be split into the various parts using sed and awk.
79 # To ensure correct version comparison, we append ".99" to the version number
80 # so that the version of a release is higher than that of its rc's.
81 $(RTE_OUTPUT)/.config: $(RTE_CONFIG_TEMPLATE) FORCE | $(RTE_OUTPUT)
82         $(Q)if [ "$(RTE_CONFIG_TEMPLATE)" != "" -a -f "$(RTE_CONFIG_TEMPLATE)" ]; then \
83                 $(CPP) -undef -P -x assembler-with-cpp \
84                 `cat $(RTE_SRCDIR)/VERSION | \
85                 sed -e 's/-rc/.-rc./' -e 's/$$/..99/' | \
86                 awk -F '.' '{print "-D__YEAR="int($$1), "-D__MONTH="int($$2), "-D__MINOR="int($$3), "-D__SUFFIX=\""$$4"\"", "-D__RELEASE="int($$5)}'` \
87                 -ffreestanding \
88                 -o $(RTE_OUTPUT)/.config_tmp $(RTE_CONFIG_TEMPLATE) ; \
89                 config=$$(cat $(RTE_OUTPUT)/.config_tmp) ; \
90                 echo "$$config" | awk -F '=' 'BEGIN {i=1} \
91                         /^#/ {pos[i++]=$$0} \
92                         !/^#/ {if (!s[$$1]) {pos[i]=$$0; s[$$1]=i++} \
93                                 else {pos[s[$$1]]=$$0}} END \
94                         {for (j=1; j<i; j++) print pos[j]}' \
95                         > $(RTE_OUTPUT)/.config_tmp ; \
96                 if ! cmp -s $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config; then \
97                         cp $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config ; \
98                         cp $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config.orig ; \
99                 fi ; \
100                 rm -f $(RTE_OUTPUT)/.config_tmp ; \
101         else \
102                 $(MAKE) -rRf $(RTE_SDK)/mk/rte.sdkconfig.mk notemplate; \
103         fi
104 endif
105
106 # generate a Makefile for this build directory
107 # use a relative path so it will continue to work even if we move the directory
108 SDK_RELPATH=$(shell $(RTE_SDK)/buildtools/relpath.sh $(abspath $(RTE_SRCDIR)) \
109                                 $(abspath $(RTE_OUTPUT)))
110 OUTPUT_RELPATH=$(shell $(RTE_SDK)/buildtools/relpath.sh $(abspath $(RTE_OUTPUT)) \
111                                 $(abspath $(RTE_SRCDIR)))
112 $(RTE_OUTPUT)/Makefile: | $(RTE_OUTPUT)
113         $(Q)$(RTE_SDK)/buildtools/gen-build-mk.sh $(SDK_RELPATH) > $@
114
115 # clean installed files, and generate a new config header file
116 # if NODOTCONF variable is defined, don't try to rebuild .config
117 $(RTE_OUTPUT)/include/rte_config.h: $(RTE_OUTPUT)/.config
118         $(Q)rm -rf $(RTE_OUTPUT)/include $(RTE_OUTPUT)/app \
119                 $(RTE_OUTPUT)/lib \
120                 $(RTE_OUTPUT)/hostlib $(RTE_OUTPUT)/kmod $(RTE_OUTPUT)/build
121         $(Q)mkdir -p $(RTE_OUTPUT)/include
122         $(Q)$(RTE_SDK)/buildtools/gen-config-h.sh $(RTE_OUTPUT)/.config \
123                 > $(RTE_OUTPUT)/include/rte_config.h
124
125 # generate the rte_config.h
126 .PHONY: headerconfig
127 headerconfig: $(RTE_OUTPUT)/include/rte_config.h
128         @true
129
130 # check that .config is present, and if yes, check that rte_config.h
131 # is up to date
132 .PHONY: checkconfig
133 checkconfig:
134         @if [ ! -f $(RTE_OUTPUT)/.config ]; then \
135                 echo "No .config in build directory"; \
136                 exit 1; \
137         fi
138         $(Q)$(MAKE) -f $(RTE_SDK)/mk/rte.sdkconfig.mk \
139                 headerconfig NODOTCONF=1
140
141 .PHONY: FORCE
142 FORCE: