1 # ===========================================================================
2 # crosstool-NG genererated config files
3 # These targets are used from top-level makefile
5 #-----------------------------------------------------------
6 # List all config files, wether sourced or generated
8 # The top-level config file to be used be configurators
9 KCONFIG_TOP = config/config.in
11 # Build the list of all source config files
12 STATIC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(shell find $(CT_LIB_DIR)/config -type f \( -name '*.in' -o -name '*.in.2' \) 2>/dev/null))
13 # ... and how to access them:
14 $(STATIC_CONFIG_FILES): config
16 # Build a list of per-component-type source config files
17 ARCH_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/arch/*.in))
18 ARCH_CONFIG_FILES_2 = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/arch/*.in.2))
19 KERNEL_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/kernel/*.in))
20 KERNEL_CONFIG_FILES_2 = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/kernel/*.in.2))
21 CC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/cc/*.in))
22 CC_CONFIG_FILES_2 = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/cc/*.in.2))
23 LIBC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/libc/*.in))
24 LIBC_CONFIG_FILES_2 = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/libc/*.in.2))
25 DEBUG_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/debug/*.in))
27 # Build the list of generated config files
28 GEN_CONFIG_FILES = config.gen/arch.in \
29 config.gen/kernel.in \
33 # ... and how to access them:
34 # Generated files depends on config.mk (this file) because it has the
35 # functions needed to build the genrated files, and thus they might
36 # need re-generation if config.mk changes
37 $(GEN_CONFIG_FILES): config.gen \
38 $(CT_LIB_DIR)/config/config.mk
40 # Helper entry for the configurators
42 config_files: $(STATIC_CONFIG_FILES) $(GEN_CONFIG_FILES)
44 # Where to access to the source config files from
47 $(SILENT)ln -s $(CT_LIB_DIR)/config config
49 # Where to store the generated config files into
51 @$(ECHO) " MKDIR config.gen"
52 $(SILENT)mkdir -p config.gen
54 #-----------------------------------------------------------
55 # Build list of per-component-type items to easily build generated files
57 ARCHS = $(patsubst config/arch/%.in,%,$(ARCH_CONFIG_FILES))
58 KERNELS = $(patsubst config/kernel/%.in,%,$(KERNEL_CONFIG_FILES))
59 CCS = $(patsubst config/cc/%.in,%,$(CC_CONFIG_FILES))
60 LIBCS = $(patsubst config/libc/%.in,%,$(LIBC_CONFIG_FILES))
61 DEBUGS = $(patsubst config/debug/%.in,%,$(DEBUG_CONFIG_FILES))
63 #-----------------------------------------------------------
64 # Helper functions to ease building generated config files
66 # The function 'build_gen_choice_in' builds a choice-menu of a list of
67 # components in the given list, also adding source-ing of associazted
69 # $1 : destination file
70 # $2 : name for the entries family (eg. Architecture, kernel...)
71 # $3 : prefix for the choice entries (eg. ARCH, KERNEL...)
72 # $4 : base directory containing config files
73 # $5 : generate backend conditionals if Y, don't if anything else
74 # $6 : list of config entries (eg. for architectures: "alpha arm ia64"...,
75 # and for kernels: "bare-metal linux"...)
76 # Example to build the kernels generated config file:
77 # $(call build_gen_choice_in,config.gen/kernel.in,Target OS,KERNEL,config/kernel,$(KERNELS))
78 define build_gen_choice_in
80 $(SILENT)(echo "# $(2) menu"; \
81 echo "# Generated file, do not edit!!!"; \
83 echo "choice GEN_CHOICE_$(3)"; \
85 echo " prompt \"$(2)\""; \
87 for entry in $(6); do \
88 file="$(4)/$${entry}.in"; \
89 _entry=$$(echo "$${entry}" |$(sed) -r -s -e 's/[-.+]/_/g;'); \
90 echo "config $(3)_$${_entry}"; \
92 echo " prompt \"$${entry}\""; \
93 if [ "$(5)" = "Y" ]; then \
94 echo " depends on $(3)_$${_entry}_AVAILABLE"; \
96 sed -r -e '/^## depends on /!d; s/^## / /;' $${file} 2>/dev/null;\
97 sed -r -e '/^## select /!d; s/^## / /;' $${file} 2>/dev/null; \
98 if grep -E '^## help' $${file} >/dev/null 2>&1; then \
100 sed -r -e '/^## help ?/!d; s/^## help ?/ /;' $${file} 2>/dev/null; \
105 for entry in $(6); do \
106 file="$(4)/$${entry}.in"; \
107 _entry=$$(echo "$${entry}" |$(sed) -r -s -e 's/[-.+]/_/g;'); \
109 if [ "$(5)" = "Y" ]; then \
110 echo "config $(3)_$${_entry}_AVAILABLE"; \
112 echo " default n if ! ( BACKEND_$(3) = \"$${entry}\" || BACKEND_$(3) = \"\" || ! BACKEND )"; \
113 echo " default y if BACKEND_$(3) = \"$${entry}\" || BACKEND_$(3) = \"\" || ! BACKEND"; \
115 echo "if $(3)_$${_entry}"; \
116 echo "config $(3)"; \
117 echo " default \"$${entry}\" if $(3)_$${_entry}"; \
118 echo "source \"$${file}\""; \
122 $(SILENT)(echo "# $(2) second part options"; \
123 echo "# Generated file, do not edit!!!"; \
124 for entry in $(6); do \
125 file="$(4)/$${entry}.in"; \
126 _entry=$$(echo "$${entry}" |$(sed) -r -s -e 's/[-.+]/_/g;'); \
127 if [ -f "$${file}.2" ]; then \
129 echo "if $(3)_$${_entry}"; \
130 echo "comment \"$${entry} other options\""; \
131 echo "source \"$${file}.2\""; \
138 # The function 'build_gen_menu_in' builds a menuconfig for each component in
139 # the given list, source-ing the associated files conditionnaly:
140 # $1 : destination file
141 # $2 : name of entries family (eg. Tools, Debug...)
142 # $3 : prefix for the menu entries (eg. DEBUG)
143 # $4 : base directory containing config files
144 # $5 : list of config entries (eg. for debug: "dmalloc duma gdb"...)
145 # Example to build the generated debug config file:
146 # $(call build_gen_menu_in,config.gen/debug.in,Debug,DEBUG,config/debug,$(DEBUGS))
147 define build_gen_menu_in
149 $(SILENT)(echo "# $(2) facilities menu"; \
150 echo "# Generated file, do not edit!!!"; \
152 for entry in $(5); do \
153 file="$(4)/$${entry}.in"; \
154 _entry=$$(echo "$${entry}" |$(sed) -r -s -e 's/[-.+]/_/g;'); \
155 echo "menuconfig $(3)_$${_entry}"; \
157 echo " prompt \"$${entry}\""; \
158 sed -r -e '/^## depends on /!d; s/^## / /;' $${file} 2>/dev/null;\
159 sed -r -e '/^## select /!d; s/^## / /;' $${file} 2>/dev/null; \
160 if grep -E '^## help' $${file} >/dev/null 2>&1; then \
162 sed -r -e '/^## help ?/!d; s/^## help ?/ /;' $${file} 2>/dev/null; \
165 echo "if $(3)_$${_entry}"; \
166 echo "source \"$${file}\""; \
173 #-----------------------------------------------------------
174 # The rules for the generated config files
176 # WARNING! If a .in file disapears between two runs, that will NOT be detected!
178 config.gen/arch.in: $(ARCH_CONFIG_FILES) $(ARCH_CONFIG_FILES_2)
179 $(call build_gen_choice_in,$@,Target Architecture,ARCH,config/arch,Y,$(ARCHS))
181 config.gen/kernel.in: $(KERNEL_CONFIG_FILES) $(KERNEL_CONFIG_FILES_2)
182 $(call build_gen_choice_in,$@,Target OS,KERNEL,config/kernel,Y,$(KERNELS))
184 config.gen/cc.in: $(CC_CONFIG_FILES) $(CC_CONFIG_FILES_2)
185 $(call build_gen_choice_in,$@,C compiler,CC,config/cc,,$(CCS))
187 config.gen/libc.in: $(LIBC_CONFIG_FILES) $(LIBC_CONFIG_FILES_2)
188 $(call build_gen_choice_in,$@,C library,LIBC,config/libc,Y,$(LIBCS))
190 config.gen/debug.in: $(DEBUG_CONFIG_FILES)
191 $(call build_gen_menu_in,$@,Debug,DEBUG,config/debug,$(DEBUGS))
193 #-----------------------------------------------------------
194 # Cleaning up the mess...
197 @$(ECHO) " CLEAN config"
198 $(SILENT)rm -f config 2>/dev/null || true
199 @$(ECHO) " CLEAN config.gen"
200 $(SILENT)rm -rf config.gen