1 # Version for Linux/RTLinux builds.
5 # lib_LIBRARIES .. list of the user-space libraries
6 # shared_LIBRARIES .. list of the user-space shared libraries
7 # kernel_LIBRARIES .. list of the kernel-space libraries
8 # rtlinux_LIBRARIES.. list of the RT-Linux kernel-space libraries
9 # include_HEADERS .. list of the user-space public header files
10 # nobase_include_HEADERS .. public headers copied even with directory part
11 # renamed_include_HEADERS .. public headers copied to the different target name
12 # kernel_HEADERS .. list of the kernel-space public header files
13 # rtlinux_HEADERS .. list of the RT-Linux kernel-space public header files
14 # bin_PROGRAMS .. list of the require binary programs
15 # utils_PROGRAMS .. list of the development utility programs
16 # test_PROGRAMS .. list of the testing programs
17 # kernel_MODULES .. list of the kernel side modules/applications
18 # rtlinux_MODULES .. list of RT-Linux the kernel side modules/applications
19 # xxx_SOURCES .. list of specific target sources
20 # xxx_LIBS .. list of specific target libraries
21 # INCLUDES .. additional include directories and defines for user-space
22 # kernel_INCLUDES .. additional include directories and defines for kernel-space
23 # rtlinux_INCLUDES .. additional include directories and defines for RT-Linux
24 # OMIT_KERNEL_PASSES if defined, all kernel passes are omited
26 # LINUX_DIR .. location of Linux kernel sources
27 # RTL_DIR .. location of RT-Linux sources
28 # CFLAGS .. C compiler flags
29 # CXXFLAGS .. C++ compiler flags
30 # CPPFLAGS .. C preprocessor flags
31 # LDFLAGS .. linker flags for programs linking
33 # Hack to check RT-Linux rules
34 #LINUX_DIR := /home/cvs/ocera/ocera-build/kernel/linux
35 #RTL_DIR := /home/cvs/ocera/ocera-build/kernel/rtlinux
37 #OCERA_DIR := $(shell ( cd -L $(OUTPUT_DIR)/../../.. ; pwd -L ) )
39 -include $(OUTPUT_DIR)/OCERA_TOP_DIR
41 BUILD_DIR_NAME = _build
42 COMPILED_DIR_NAME = _compiled
44 GROUP_DIR_NAME = nogroup
48 ifeq ($(wildcard $(OCERA_DIR)/ocera.mk),)
49 $(warning "ocera.mk" file does not exist. Adapt Makefile.rules for standalone compilation)
50 $(warning (comment out definition of OCERA_DIR line and optionally select RTL_DIR) )
51 $(error or go to the ocera/ directory and do 'make' to generate the "ocera.mk" file first, please)
53 include $(OCERA_DIR)/ocera.mk
54 KERN_INCLUDE_DIR := $(OCERA_KERNEL_INCLUDES_DIR)
55 KERN_LIB_DIR := $(OCERA_KERNEL_LIBRARIES_DIR)
56 KERN_MODULES_DIR := $(OCERA_MODULES_DIR)
57 KERN_BUILD_DIR := $(BUILD_DIR)/kern/$(GROUP_DIR_NAME)
58 KERN_MODPOST_DIR := $(BUILD_DIR)/kern-modpost
59 USER_INCLUDE_DIR := $(OCERA_USER_INCLUDES_DIR)
60 USER_LIB_DIR := $(OCERA_USER_LIBRARIES_DIR)
61 USER_UTILS_DIR := $(TARGET_DIR)/usr/bin
62 USER_TESTS_DIR := $(TARGET_DIR)/usr/bin
63 USER_BIN_DIR := $(TARGET_DIR)/usr/bin
64 USER_BUILD_DIR := $(BUILD_DIR)/user/$(GROUP_DIR_NAME)
65 LINK_BUILD_DIR := $(BUILD_DIR)/link/$(GROUP_DIR_NAME)
66 #LINUX_DIR := $(OCERA_DIR)/kernel/linux
67 #RTL_DIR := $(OCERA_DIR)/kernel/rtlinux
68 #CONFIG_FILE := $(OCERA_DIR)/emdebsys/.config
69 ifneq ($(wildcard $(CONFIG_FILE)),)
73 KERN_INCLUDE_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/include-kern
74 KERN_LIB_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/lib-kern
75 KERN_MODULES_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/modules
76 KERN_BUILD_DIR := $(OUTPUT_DIR)/$(BUILD_DIR_NAME)/kern
77 KERN_MODPOST_DIR := $(OUTPUT_DIR)/$(BUILD_DIR_NAME)/kern-modpost
78 USER_INCLUDE_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/include
79 USER_LIB_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/lib
80 USER_UTILS_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/bin-utils
81 USER_TESTS_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/bin-tests
82 USER_BIN_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/bin
83 USER_BUILD_DIR := $(OUTPUT_DIR)/$(BUILD_DIR_NAME)/user
84 LINK_BUILD_DIR := $(OUTPUT_DIR)/$(BUILD_DIR_NAME)/link
87 LINUX_VERSION=$(shell uname -r)
90 LINUX_DIR=/lib/modules/$(LINUX_VERSION)/build
96 ifeq ($(OS),Windows_NT)
99 BUILD_OS := $(shell uname | tr '[A-Z]' '[a-z]' )
100 #$(warning BUILD_OS=$(BUILD_OS))
105 TARGET_OS := $(BUILD_OS)
111 LOCAL_BUILD_DIR = $(USER_OBJS_DIR)
113 # Assign default values to CFLAGS variable. If the variable is defined
114 # earlier (i.g. in config.omk), it is not overriden here.
116 CXXFLAGS ?= -O2 -Wall
119 CPPFLAGS += -I $(USER_INCLUDE_DIR)
121 LOADLIBES += -L$(USER_LIB_DIR)
123 #LOADLIBES += $(lib_LOADLIBES:%=-l%)
125 LIB_CPPFLAGS += $(CPPFLAGS)
126 LIB_CFLAGS += $(CFLAGS)
128 ifeq ($(TARGET_OS),win32)
132 SOLIB_PICFLAGS += -fpic
135 #vpath %.c $(SOURCES_DIR)
136 #vpath %.cc $(SOURCES_DIR)
137 #vpath %.cxx $(SOURCES_DIR)
139 USER_OBJS_DIR = $(USER_BUILD_DIR)/$(RELATIVE_DIR)
140 KERN_OBJS_DIR = $(KERN_BUILD_DIR)/$(RELATIVE_DIR)
141 OMK_WORK_DIR = $(USER_OBJS_DIR)
143 .PHONY: dep subdirs clean clean-custom cleandepend check-dir
145 # Some support to serialize some targets for parallel make
146 ifneq ($(OMK_SERIALIZE_INCLUDED),y)
147 include-pass: check-dir
149 kernel-lib-pass: include-pass
150 kernel-mod-pass: kernel-lib-pass
151 kernel-modpost-pass: kernel-mod-pass
152 kernel-pass: kernel-mod-pass kernel-modpost-pass
154 override OMK_SERIALIZE_INCLUDED = y
155 MAKEOVERRIDES := $(filter-out OMK_SERIALIZE_INCLUDED=n,$(MAKEOVERRIDES))
158 # Checks for OMK tester
160 default-config-pass-check include-pass-check:
162 @[ -x "$(shell which $(CC))" ] || $(call canttest,Cannot find compiler: $(CC))
165 #=====================================================================
166 # User-space rules and templates to compile programs, libraries etc.
168 ifdef USER_RULE_TEMPLATES
170 USER_SOURCES2OBJS = .o/.c .o/.cc .o/.cxx .o/.S .o/.o
172 USER_SOURCES2OBJSLO = .lo/.c .lo/.cc .lo/.cxx .lo/.S .lo/.lo
175 # $(CC) -o $@ $(LCFLAGS) -c $<
177 c_o_COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
178 $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -DOMK_FOR_USER
180 cc_o_COMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
181 $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -DOMK_FOR_USER
183 S_o_COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
184 $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) $(ASFLAGS) -DOMK_FOR_USER
186 idl_COMPILE = $(IDL_COMPILER)
188 # Check GCC version for user build
189 ifndef CC_MAJOR_VERSION
190 CC_MAJOR_VERSION := $(shell $(CC) -dumpversion | sed -e 's/\([^.]\)\..*/\1/')
192 # Prepare suitable define for dependency building
193 ifeq ($(CC_MAJOR_VERSION),2)
194 CC_DEPFLAGS = -Wp,-MD,"$@.d.tmp"
196 CC_DEPFLAGS = -MT $@ -MD -MP -MF "$@.d.tmp"
200 # Syntax: $(call COMPILE_c_o_template,<source>,<target>,<additional c-flags>)
201 define COMPILE_c_o_template
202 $(2): $(1) $$(GEN_HEADERS)
203 @$(QUIET_CMD_ECHO) " CC $$@"
204 $(Q) if $$(c_o_COMPILE) $$(CC_DEPFLAGS) $(3) -o $$@ -c $$< ; \
205 then mv -f "$$@.d.tmp" "$$@.d" ; \
206 else rm -f "$$@.d.tmp" ; exit 1; \
211 # Syntax: $(call COMPILE_cc_o_template,<source>,<target>,<additional c-flags>)
212 define COMPILE_cc_o_template
213 $(2): $(1) $$(GEN_HEADERS)
214 @$(QUIET_CMD_ECHO) " CXX $$@"
215 $(Q) if $$(cc_o_COMPILE) $$(CC_DEPFLAGS) $(3) -o $$@ -c $$< ; \
216 then mv -f "$$@.d.tmp" "$$@.d" ; \
217 else rm -f "$$@.d.tmp" ; exit 1; \
222 # Syntax: $(call COMPILE_S_o_template,<source>,<target>,<additional c-flags>)
223 define COMPILE_S_o_template
224 $(2): $(1) $$(GEN_HEADERS)
225 @$(QUIET_CMD_ECHO) " AS $$@"
226 $(Q) if $$(S_o_COMPILE) -D__ASSEMBLY__ $$(CC_DEPFLAGS) $(3) -o $$@ -c $$< ; \
227 then mv -f "$$@.d.tmp" "$$@.d" ; \
228 else rm -f "$$@.d.tmp" ; exit 1; \
233 # Syntax: $(call CMETRIC_o_h_template,<object_file>,<target_header>)
234 define CMETRIC_o_h_template
236 @$(QUIET_CMD_ECHO) " CMETRIC $$@"
237 $(Q)if [ -n `dirname $$@` ] ; then \
238 if [ ! -e `dirname $$@` ] ; then \
239 mkdir -p `dirname $$@` ; fi ; fi
240 $(Q)echo >$$@ '/* Automatically generated from $$< */'
241 $(Q)echo >>$$@ '/* Conditionals to control compilation */'
242 $(Q)set -o pipefail ; $(NM) $$< \
243 | sed -n 's/^ *0*\(0[0-9A-Fa-f]*\) *A *_cmetric2cond_\([A-Za-z_0-9]*\) */#define \2 0x\1/p' \
245 $(Q)echo >>$$@ '/* Defines from the values defined to symbols */'
246 $(Q)set -o pipefail ; $(NM) $$< \
247 | sed -n 's/^ *0*\(0[0-9A-Fa-f]*\) *A *_cmetric2def_\([A-Za-z_0-9]*\) */#define \2 0x\1/p' \
253 define COMPILE_idl_template
254 $(2).c $(2)-stubs.c $(2)-skels.c $(2)-common.c $(2).h: $(1)
255 @$(QUIET_CMD_ECHO) " IDL $$@"
256 $(Q) $$(idl_COMPILE) $$($(2)_IDLFLAGS) $(1)
260 # Syntax: $(call PROGRAM_template,<executable-name>,<bin|utils|test>)
261 define PROGRAM_template
263 USER_IDLS += $$($(1)_SERVER_IDL) $$($(1)_CLIENT_IDL) $$($(1)_IDL)
264 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_SERVER_IDL:%.idl=%-skels.c))
265 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_SERVER_IDL:%.idl=%-common.c))
266 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_CLIENT_IDL:%.idl=%-stubs.c))
267 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_CLIENT_IDL:%.idl=%-common.c))
268 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_IDL:%.idl=%.c))
269 USER_GEN_SOURCES += $$($(1)_GEN_SOURCES)
271 $(foreach x, $(USER_SOURCES2OBJS),
272 $(1)_OBJS += $$(patsubst %$(notdir $(x)),%$(dir $(x)),$$(filter %$(notdir $(x)),\
273 $$($(1)_SOURCES) $$($(1)_GEN_SOURCES)))
275 $(1)_OBJS := $$(sort $$($(1)_OBJS:%/=%))
277 USER_OBJS += $$($(1)_OBJS)
278 USER_SOURCES += $$($(1)_SOURCES)
280 include-pass-local: $(OMK_WORK_DIR)/$(2)-$(1)$(EXE_SUFFIX).cmd
281 $(OMK_WORK_DIR)/$(2)-$(1)$(EXE_SUFFIX).cmd: $$($(1)_OBJS) FORCE
282 $(Q)echo '$(1)_objs += $$$$(addprefix $(USER_OBJS_DIR)/,$$($(1)_OBJS))' > $$@.tmp; \
283 echo '$(1)_libs += $$($(1)_LIBS) $$(lib_LOADLIBES)' >> $$@.tmp; \
284 echo '$(1)_linker += $$(if $$(filter %.cc,$$($(1)_SOURCES:%.cxx=%.cc)),$$(CXX),$$(CC))' >> $$@.tmp; \
285 echo '$(2)_programs += $(1)' >> $$@.tmp; \
286 if cmp -s $$@.tmp $$@; then rm $$@.tmp; else mv $$@.tmp $$@; fi
290 # Syntax: $(call LIBRARY_template,<library-name>)
291 define LIBRARY_template
293 USER_IDLS += $$($(1)_SERVER_IDL) $$($(1)_CLIENT_IDL) $$($(1)_IDL)
294 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_SERVER_IDL:%.idl=%-skels.c))
295 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_SERVER_IDL:%.idl=%-common.c))
296 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_CLIENT_IDL:%.idl=%-stubs.c))
297 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_CLIENT_IDL:%.idl=%-common.c))
298 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_IDL:%.idl=%.c))
299 USER_GEN_SOURCES += $$($(1)_GEN_SOURCES)
301 $(foreach x, $(USER_SOURCES2OBJS),
302 $(1)_OBJS += $$(patsubst %$(notdir $(x)),%$(dir $(x)),$$(filter %$(notdir $(x)),\
303 $$($(1)_SOURCES) $$($(1)_GEN_SOURCES)))
305 $(1)_OBJS := $$(sort $$($(1)_OBJS:%/=%))
307 USER_OBJS += $$($(1)_OBJS)
308 USER_SOURCES += $$($(1)_SOURCES)
310 $(USER_LIB_DIR)/lib$(1).a: $$($(1)_OBJS)
311 @$(QUIET_CMD_ECHO) " AR $$@"
312 $(Q) $(AR) rcs $$@ $$^
317 # Syntax: $(call SOLIB_template,<library-name>)
318 define SOLIB_template
320 USER_IDLS += $$($(1)_SERVER_IDL) $$($(1)_CLIENT_IDL) $$($(1)_IDL)
321 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_SERVER_IDL:%.idl=%-skels.c))
322 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_SERVER_IDL:%.idl=%-common.c))
323 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_CLIENT_IDL:%.idl=%-stubs.c))
324 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_CLIENT_IDL:%.idl=%-common.c))
325 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_IDL:%.idl=%.c))
326 SOLIB_GEN_SOURCES += $$($(1)_GEN_SOURCES)
328 $(foreach x, $(USER_SOURCES2OBJSLO),
329 $(1)_OBJSLO += $$(patsubst %$(notdir $(x)),%$(dir $(x)),$$(filter %$(notdir $(x)),\
330 $$($(1)_SOURCES) $$($(1)_GEN_SOURCES)))
332 $(1)_OBJSLO := $$(sort $$($(1)_OBJSLO:%/=%))
334 SOLIB_OBJS += $$($(1)_OBJSLO)
335 SOLIB_SOURCES += $$($(1)_SOURCES)
337 $(OMK_WORK_DIR)/lib$(1).$(SOLIB_EXT).omkvar: $$($(1)_OBJSLO) FORCE
338 $(Q)echo '$(1)_objslo += $$$$(addprefix $(USER_OBJS_DIR)/,$$($(1)_OBJSLO))' > $$@.tmp; \
339 echo '$(1)_libs += $$($(1)_LIBS) $$(lib_LOADLIBES)' >> $$@.tmp; \
340 echo 'shared_libs := $$$$(sort $(1) $$$$(shared_libs))' >> $$@.tmp; \
341 if cmp -s $$@.tmp $$@; then rm $$@.tmp; else mv $$@.tmp $$@; fi
345 $(OMK_WORK_DIR)/targets.omk: FORCE
347 echo '_omk_libs += $(lib_LIBRARIES)' >> $$@.tmp; \
348 echo '_omk_shared_libs += $(shared_LIBRARIES)' >> $$@.tmp; \
349 echo '_omk_bin += $(bin_PROGRAMS)' >> $$@.tmp; \
350 echo '_omk_utils += $(utils_PROGRAMS)' >> $$@.tmp; \
351 echo '_omk_test += $(test_PROGRAMS)' >> $$@.tmp; \
352 if cmp -s $$@.tmp $$@; then rm $$@.tmp; else mv $$@.tmp $$@; fi
355 include-pass-local: $(addprefix $(USER_INCLUDE_DIR)/,$(cmetric_include_HEADERS)) \
356 $(OMK_WORK_DIR)/targets.omk
358 # Special rules for CMETRIC generated headers
360 $(foreach cmetrh,$(cmetric_include_HEADERS),$(eval $(call COMPILE_c_o_template,\
361 $(SOURCES_DIR)/$($(basename $(notdir $(cmetrh)))_CMETRIC_SOURCES),\
362 $($(basename $(notdir $(cmetrh)))_CMETRIC_SOURCES:%.c=%.o),)))
363 $(foreach cmetrh,$(cmetric_include_HEADERS),$(eval $(call CMETRIC_o_h_template,\
364 $($(basename $(notdir $(cmetrh)))_CMETRIC_SOURCES:%.c=%.o),\
365 $(addprefix $(USER_INCLUDE_DIR)/,$(cmetrh)))))
367 GEN_HEADERS+=$(cmetric_include_HEADERS:%=$(USER_INCLUDE_DIR)/%)
369 GEN_HEADERS+=$(filter %.h,$(USER_IDLS:%.idl=%.h))
371 # Generate rules for compilation of programs and libraries
373 $(foreach prog,$(utils_PROGRAMS),$(eval $(call PROGRAM_template,$(prog),utils)))
375 $(foreach prog,$(test_PROGRAMS),$(eval $(call PROGRAM_template,$(prog),test)))
377 $(foreach prog,$(bin_PROGRAMS),$(eval $(call PROGRAM_template,$(prog),bin)))
379 $(foreach lib,$(lib_LIBRARIES),$(eval $(call LIBRARY_template,$(lib))))
381 $(foreach lib,$(shared_LIBRARIES),$(eval $(call SOLIB_template,$(lib))))
383 -include $(USER_OBJS_DIR)/*.d
385 endif # USER_RULE_TEMPLATES
389 $(Q)$(MAKE) $(NO_PRINT_DIRECTORY) -C $(LINK_BUILD_DIR) -f $(SOURCESDIR_MAKEFILE) link-pseudo-pass
391 ifeq ($(MAKECMDGOALS),link-pseudo-pass)
393 # Syntax: $(call solib_link_template,<library-name>)
394 define solib_link_template
395 $(1)_shared_libs = $$(patsubst %,$(USER_LIB_DIR)/lib%.$(SOLIB_EXT),$$(filter $$(shared_libs),$$($(1)_libs)))
396 #$$(warning $(1)_shared_libs = $$($(1)_shared_libs))
397 $(USER_LIB_DIR)/lib$(1).$(SOLIB_EXT): $$($(1)_shared_libs) $$($(1)_objslo)
398 @$(QUIET_CMD_ECHO) " LINK $$@"
399 $(Q)$(CC) --shared -Xlinker -soname=lib$(1).$(SOLIB_EXT) -o $$@ $$($(1)_objslo) $$(LOADLIBES) $$($(1)_libs:%=-l%)
402 # Syntax: $(call program_link_template,<executable-name>,<dest-dir>)
403 define program_link_template
404 $(2)/$(1)$(EXE_SUFFIX): dir=$(LINK_BUILD_DIR)/$$(notdir $(2))
405 $(2)/$(1)$(EXE_SUFFIX): $$($(1)_objs)
406 @$(QUIET_CMD_ECHO) " LINK $$@"
407 $(Q) $$($(1)_linker) \
408 $$($(1)_objs) $$($(1)_libs:%=-l%) $$(LOADLIBES) $$(LDFLAGS) -Wl,-Map,$$(dir)/$(1).exe.map -o $$@
409 @echo "$$@: \\" >$$(dir)/$(1).exe.d
410 @sed -n -e 's|^LOAD \(.*\)$$$$| \1 \&|p' $$(dir)/$(1).exe.map|tr '&' '\134' >>$$(dir)/$(1).exe.d
411 @echo >>$$(dir)/$(1).exe.d
414 -include $(shell find $(USER_BUILD_DIR) -name '*.omkvar')
415 #$(warning $(shared_libs))
416 $(foreach lib,$(shared_libs),$(eval $(call solib_link_template,$(lib))))
417 $(foreach prg,$(bin_programs),$(eval $(call program_link_template,$(prg),$(USER_BIN_DIR))))
418 $(foreach prg,$(utils_programs),$(eval $(call program_link_template,$(prg),$(USER_UTILS_DIR))))
419 $(foreach prg,$(test_programs),$(eval $(call program_link_template,$(prg),$(USER_TESTS_DIR))))
421 .PHONY: link-pseudo-pass
422 link-pseudo-pass: $(shared_libs:%=$(USER_LIB_DIR)/lib%.$(SOLIB_EXT)) \
423 $(bin_programs:%=$(USER_BIN_DIR)/%$(EXE_SUFFIX)) \
424 $(utils_programs:%=$(USER_UTILS_DIR)/%$(EXE_SUFFIX)) \
425 $(tests_programs:%=$(USER_TESTS_DIR)/%$(EXE_SUFFIX))
426 endif # link-shared-libs
428 #=====================================================================
429 # Kernel-space rules and templates to compile modules, libraries etc.
431 ifdef KERN_RULE_TEMPLATES
433 $(KERN_LIB_DIR)/kernel.mk: $(LINUX_DIR)/.config $(MAKERULES_DIR)/kernelcfg2mk
434 @$(QUIET_CMD_ECHO) " KCFG2MK $$@"
435 $(Q) $(MAKERULES_DIR)/kernelcfg2mk $(LINUX_DIR) $(KERN_LIB_DIR)
437 ifeq ($(CONFIG_RTLINUX),y)
438 include $(RTL_DIR)/rtl.mk
441 kern_GCCLIB_DIR=$(shell LANG=C LC_ALL=C LC_MESSAGES=C $(CC) -print-search-dirs | sed -n -e 's/^install: \(.*\)$$/\1/p' )
442 INCLUDES := -I $(KERN_INCLUDE_DIR) $(INCLUDE) $(rtlinux_INCLUDES) $(kernel_INCLUDES)
444 c_o_kern_COMPILE = $(KERN_CC) -idirafter $(kern_GCCLIB_DIR)/include $(INCLUDES) $(CFLAGS) -DOMK_FOR_KERNEL -DEXPORT_SYMTAB -nostdinc
445 cc_o_kern_COMPILE = $(CXX) $(INCLUDES) $(CXXFLAGS) -DOMK_FOR_KERNEL -DEXPORT_SYMTAB
446 KERN_EXE_SUFFIX := .o
451 else # CONFIG_RTLINUX
453 include $(KERN_LIB_DIR)/kernel.mk
456 LINUX_SRC = $(LINUX_DIR)
458 kernel_INCLUDES += -I $(LINUX_DIR) -idirafter $(LINUX_SRC)/include/linux
461 KERN_CC = $(LINUX_CC)
462 kern_GCCLIB_DIR=$(shell LANG=C LC_ALL=C LC_MESSAGES=C $(LINUX_CC) -print-search-dirs | sed -n -e 's/^install: \(.*\)$$/\1/p' )
464 KERN_CC = echo KERN_CC not defined - compilation skipped
466 c_o_kern_COMPILE = $(KERN_CC) $(kernel_INCLUDES) -idirafter $(kern_GCCLIB_DIR)/include $(LINUX_CPPFLAGS) $(LINUX_CFLAGS) $(LINUX_CFLAGS_MODULE) -DOMK_FOR_KERNEL -DEXPORT_SYMTAB -nostdinc
467 cc_o_kern_COMPILE = $(KERN_CC) $(kernel_INCLUDES) -idirafter $(kern_GCCLIB_DIR)/include $(LINUX_CPPFLAGS) $(LINUX_CFLAGS) $(LINUX_CFLAGS_MODULE) -DOMK_FOR_KERNEL -DEXPORT_SYMTAB
468 S_o_kern_COMPILE = $(KERN_CC) $(kernel_INCLUDES) -idirafter $(kern_GCCLIB_DIR)/include $(LINUX_CPPFLAGS) $(LINUX_AFLAGS) $(LINUX_CFLAGS_MODULE) -DOMK_FOR_KERNEL -DEXPORT_SYMTAB
469 KERN_EXE_SUFFIX := $(LINUX_MODULE_EXT)
470 KERN_LDFLAGS = $(LINUX_LDFLAGS)
472 KERN_ARCH = $(LINUX_ARCH)
474 KERN_ARCH = echo KERN_ARCH not defined - skipped
477 KERN_LD = $(LINUX_LD)
479 KERN_LD = echo KERN_LD not defined - skipped
482 KERN_AR = $(LINUX_AR)
486 ifeq ($(LINUX_QUOTE_MODNAME),y)
488 KERN_KBUILD_MODNAME=-D"KBUILD_MODNAME=((THIS_MODULE)!=NULL?(THIS_MODULE)->name:NULL)"
490 endif # CONFIG_RTLINUX
492 KERN_LOADLIBES += -L$(KERN_LIB_DIR)
494 KERN_LOADLIBES += $(rtlinux_LOADLIBES:%=-l%)
495 KERN_LOADLIBES += $(kernel_LOADLIBES:%=-l%)
499 # Check GCC version for kernel part of build
500 ifndef kern_CC_MAJOR_VERSION
501 kern_CC_MAJOR_VERSION := $(shell $(KERN_CC) -dumpversion | sed -e 's/\([^.]\)\..*/\1/')
503 # Prepare suitable define for dependency building
504 ifeq ($(kern_CC_MAJOR_VERSION),2)
505 kern_CC_DEPFLAGS = -Wp,-MD,"$@.d.tmp"
507 kern_CC_DEPFLAGS = -MT $@ -MD -MP -MF "$@.d.tmp"
510 ifeq ($(KERN_EXE_SUFFIX),.ko)
511 ifeq ($(wildcard $(LINUX_DIR)/scripts/mod/modpost),)
512 KERN_MODPOST = $(LINUX_DIR)/scripts/modpost
514 KERN_MODPOST = $(LINUX_DIR)/scripts/mod/modpost
516 KERN_MODULES_LINK_DIR = $(KERN_MODPOST_DIR)
517 KERN_LINK_SUFFIX = .o
519 KERN_MODULES_LINK_DIR = $(KERN_MODULES_DIR)
520 KERN_LINK_SUFFIX = $(KERN_EXE_SUFFIX)
523 ifeq ($(LINUX_CONFIG_MODVERSIONS),y)
525 MODPOST_OPTS += -i $(LINUX_DIR)/Module.symvers
526 ifneq ($(LINUX_BUILDHOST),) # this is not correct point, it should look for 2.6.17 kernel
527 MODPOST_OPTS += -I $(KERN_LIB_DIR)/Module.symvers
529 MODPOST_OPTS += -o $(KERN_LIB_DIR)/Module.symvers
532 ifeq ($(LINUX_CONFIG_DEBUG_SECTION_MISMATCH),y)
536 ifeq ($(LINUX_CONFIG_MARKERS),y)
537 MODPOST_OPTS += -K $(LINUX_DIR)/Module.markers
538 MODPOST_OPTS += -M $(KERN_LIB_DIR)/Module.markers
541 ifeq ($(LINUX_KBUILD_MODPOST_WARN),y)
545 ifneq ($(LINUX_BUILDHOST),)
546 ifneq ($(LINUX_BUILDHOST),$(LINUX_ARCH))
551 define COMPILE_c_o_kern_template
554 @$(QUIET_CMD_ECHO) " CC [K] $$@"
555 $(Q) if $$(c_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) $(KERN_KBUILD_MODNAME) \
556 -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
558 then mv -f "$$@.d.tmp" "$$@.d" ; \
559 else rm -f "$$@.d.tmp" ; exit 1; \
565 define COMPILE_cc_o_kern_template
568 @$(QUIET_CMD_ECHO) " CXX [K] $$@"
569 $(Q) if $$(cc_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) $(KERN_KBUILD_MODNAME) \
570 -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
572 then mv -f "$$@.d.tmp" "$$@.d" ; \
573 else rm -f "$$@.d.tmp" ; exit 1; \
579 define COMPILE_S_o_kern_template
582 @$(QUIET_CMD_ECHO) " AS [K] $$@"
583 $(Q) if $$(S_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) $(KERN_KBUILD_MODNAME) \
584 -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
586 then mv -f "$$@.d.tmp" "$$@.d" ; \
587 else rm -f "$$@.d.tmp" ; exit 1; \
593 define MODULE_kern_template
594 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.c=%.o))
595 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cc=%.o))
596 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cxx=%.o))
597 $(1)_OBJS := $$(sort $$($(1)_OBJS))
599 KERN_OBJS += $$($(1)_OBJS)
600 KERN_SOURCES += $$($(1)_SOURCES)
602 # this is hack to build "__this_module" structure for 2.6.x kernels
603 # modpost is used for that purpose now
607 # #include <linux/version.h>@\
608 # #include <linux/module.h>@\
609 # #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,5))@\
610 # #include <linux/vermagic.h>@\
611 # #include <linux/compiler.h>@\
613 # MODULE_INFO(vermagic, VERMAGIC_STRING);@\
616 # struct module __this_module@\
617 # __attribute__((section(\".gnu.linkonce.this_module\"))) = {@\
618 # .name = __stringify(KBUILD_MODNAME),@\
619 # .init = init_module,@\
620 # #ifdef CONFIG_MODULE_UNLOAD@\
621 # .exit = cleanup_module,@\
628 #$(eval $(call COMPILE_c_o_kern_template,$(1).mod.c,$(1).mod.o,-DKBUILD_MODNAME=$(1)))
630 $(2)/$(1)$(KERN_LINK_SUFFIX): $$($(1)_OBJS)
631 @$(QUIET_CMD_ECHO) " LD [K] $$@"
632 $(Q) $$(KERN_LD) $$(KERN_LDFLAGS) -r $$($(1)_OBJS) -L$$(kern_GCCLIB_DIR) $$($(1)_LIBS:%=-l%) $$(KERN_LOADLIBES) -Map $(KERN_OBJS_DIR)/$(1).mod.map -o $$@
633 @echo "$(2)/$(1)$(KERN_LINK_SUFFIX): \\" >$(KERN_OBJS_DIR)/$(1).mod.d
634 @sed -n -e 's/^LOAD \(.*\)$$$$/ \1 \\/p' $(KERN_OBJS_DIR)/$(1).mod.map >>$(KERN_OBJS_DIR)/$(1).mod.d
635 @echo >>$(KERN_OBJS_DIR)/$(1).mod.d
636 @if [ "$(KERN_EXE_SUFFIX)" = ".ko" ] ; then \
637 echo $(1) >>$(KERN_MODPOST_DIR)/module-changes ; \
638 echo $(1) >$(KERN_MODPOST_DIR)/$(1).mod.stamp ; \
645 define LIBRARY_kern_template
646 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.c=%.o))
647 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cc=%.o))
648 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cxx=%.o))
649 $(1)_OBJS := $$(sort $$($(1)_OBJS))
651 KERN_OBJS += $$($(1)_OBJS)
652 KERN_SOURCES += $$($(1)_SOURCES)
654 $(KERN_LIB_DIR)/lib$(1).a: $$($(1)_OBJS)
655 @$(QUIET_CMD_ECHO) " AR [K] $$@"
656 $(Q) $(KERN_AR) rcs $$@ $$^
662 kernel-lib-pass-local: $(kernel_LIBRARIES:%=$(KERN_LIB_DIR)/lib%.a)
664 kernel-mod-pass-local: $(kernel_MODULES:%=$(KERN_MODULES_LINK_DIR)/%$(KERN_LINK_SUFFIX))
666 $(foreach module,$(kernel_MODULES),$(eval $(call MODULE_kern_template,$(module),$(KERN_MODULES_LINK_DIR))))
668 $(foreach lib,$(kernel_LIBRARIES),$(eval $(call LIBRARY_kern_template,$(lib))))
673 ifeq ($(CONFIG_RTLINUX),y)
675 kernel-mod-pass-local: $(rtlinux_MODULES:%=$(KERN_MODULES_LINK_DIR)/%$(KERN_LINK_SUFFIX))
677 kernel-lib-pass-local: $(rtlinux_LIBRARIES:%=$(KERN_LIB_DIR)/lib%.a)
679 $(foreach module,$(rtlinux_MODULES),$(eval $(call MODULE_kern_template,$(module),$(KERN_MODULES_LINK_DIR))))
681 $(foreach lib,$(rtlinux_LIBRARIES),$(eval $(call LIBRARY_kern_template,$(lib))))
685 ifeq ($(KERN_MODPOST_PASS),y)
687 MODULES_LIST := $(wildcard *.mod.stamp)
688 MODULES_LIST := $(MODULES_LIST:%.mod.stamp=%)
690 define MODPOST_kern_template
691 $(2) : $(1)$(KERN_LINK_SUFFIX) $(1).mod.c
692 @$(QUIET_CMD_ECHO) " LD [M] $$@"
693 $(Q) $$(cc_o_kern_COMPILE) -D"KBUILD_BASENAME=$(KERN_MQ)$(1)$(KERN_MQ)" \
694 -D"KBUILD_MODNAME=$(KERN_MQ)$(1)$(KERN_MQ)" \
695 -o $(1).mod.o -c $(1).mod.c
696 $(Q) $$(KERN_LD) $$(KERN_LDFLAGS) $(1)$(KERN_LINK_SUFFIX) $(1).mod.o -r -o $$@
699 kernel-modpost-versions: $(wildcard $(LINUX_DIR)/Module.symvers)
700 @$(QUIET_CMD_ECHO) " MODPOST $(KERN_MODPOST_DIR)"
701 @echo >$(KERN_MODPOST_DIR)/modpost-running
702 @rm -f $(KERN_MODPOST_DIR)/module-changes
703 $(Q) $(KERN_MODPOST) $(MODPOST_OPTS) $(MODULES_LIST:%=%$(KERN_LINK_SUFFIX))
705 $(MODULES_LIST:%=%.mod.c) : kernel-modpost-versions
707 kernel-modpost-pass-local: $(MODULES_LIST:%=$(KERN_MODULES_DIR)/%$(KERN_EXE_SUFFIX))
708 @rm -f $(KERN_MODPOST_DIR)/modpost-running
710 $(foreach module,$(MODULES_LIST),$(eval $(call MODPOST_kern_template,$(module),$(module:%=$(KERN_MODULES_DIR)/%$(KERN_EXE_SUFFIX)))))
714 -include $(KERN_OBJS_DIR)/*.d
718 #=====================================================================
720 # Kernel requires its own set of configuration header-files
721 ifneq ($(kernel_LIBRARIES)$(rtlinux_LIBRARIES)$(kernel_MODULES)$(rtlinux_MODULES)$(kernel_HEADERS)$(rtlinux_HEADERS)$(kernel_HEADERS)$(rtlinux_HEADERS)$(nobase_kernel_HEADERS)$(nobase_rtlinux_HEADERS)$(renamed_kernel_HEADERS)$(renamed_rtlinux_HEADERS),)
722 KERN_CONFIG_HEADERS_REQUIRED = y
725 $(eval $(call omk_pass_template, kernel-lib-pass,$(KERN_OBJS_DIR),KERN_RULE_TEMPLATES=y,$(kernel_LIBRARIES)$(rtlinux_LIBRARIES)))
726 $(eval $(call omk_pass_template, kernel-mod-pass,$(KERN_OBJS_DIR),KERN_RULE_TEMPLATES=y,$(kernel_MODULES)$(rtlinux_MODULES)))
729 +@if [ -e "$(KERN_MODPOST_DIR)/module-changes" -o -e "$(KERN_MODPOST_DIR)/modpost-running" ] ; \
731 $(MAKE) --no-print-directory -C $(KERN_MODPOST_DIR) \
732 -f $(SOURCES_DIR)/Makefile KERN_RULE_TEMPLATES=y KERN_MODPOST_PASS=y $(@:%=%-local) ; \
735 $(eval $(call omk_pass_template,clean,$(USER_OBJS_DIR),,always))
736 $(eval $(call omk_pass_template,install,$(USER_OBJS_DIR),,always))
737 $(eval $(call omk_pass_template,include-pass,$(USER_OBJS_DIR),USER_RULE_TEMPLATES=y,always))
740 @$(call mkdir_def,$(USER_BUILD_DIR))
741 @$(call mkdir_def,$(LINK_BUILD_DIR)/lib)
742 @$(call mkdir_def,$(LINK_BUILD_DIR)/bin)
743 @$(call mkdir_def,$(LINK_BUILD_DIR)/bin-utils)
744 @$(call mkdir_def,$(LINK_BUILD_DIR)/bin-tests)
745 @$(call mkdir_def,$(KERN_BUILD_DIR))
746 @$(call mkdir_def,$(USER_INCLUDE_DIR))
747 @$(call mkdir_def,$(KERN_INCLUDE_DIR))
748 @$(call mkdir_def,$(USER_LIB_DIR))
749 @$(call mkdir_def,$(KERN_LIB_DIR))
750 @$(call mkdir_def,$(USER_BIN_DIR))
751 @$(call mkdir_def,$(USER_UTILS_DIR))
752 @$(call mkdir_def,$(USER_TESTS_DIR))
753 @$(call mkdir_def,$(KERN_MODULES_DIR))
754 @$(call mkdir_def,$(KERN_MODPOST_DIR))
756 install-local: # TODO
758 $(eval $(call include-pass-template,$(USER_INCLUDE_DIR),include))
759 $(eval $(call include-pass-template,$(KERN_INCLUDE_DIR),kernel))
760 ifeq ($(CONFIG_RTLINUX),y)
761 $(eval $(call include-pass-template,$(KERN_INCLUDE_DIR),rtlinux))
765 ifdef USER_RULE_TEMPLATES
767 # User-space static libraries and applications object files
769 USER_SOURCES := $(sort $(USER_SOURCES))
771 USER_GEN_SOURCES := $(sort $(USER_GEN_SOURCES))
773 #$(warning USER_SOURCES = $(USER_SOURCES))
775 $(foreach src,$(filter %.c,$(USER_SOURCES)),$(eval $(call COMPILE_c_o_template,$(SOURCES_DIR)/$(src),$(src:%.c=%.o),)))
777 $(foreach src,$(filter %.cc,$(USER_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cc=%.o),)))
779 $(foreach src,$(filter %.cxx,$(USER_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.o),)))
781 $(foreach src,$(filter %.S,$(USER_SOURCES)),$(eval $(call COMPILE_S_o_template,$(SOURCES_DIR)/$(src),$(src:%.S=%.o),)))
783 $(foreach src,$(filter %.c,$(USER_GEN_SOURCES)),$(eval $(call COMPILE_c_o_template,$(src),$(src:%.c=%.o),)))
785 # User-space shared libraries object files
787 SOLIB_SOURCES := $(sort $(SOLIB_SOURCES))
789 SOLIB_GEN_SOURCES := $(sort $(SOLIB_GEN_SOURCES))
791 #$(warning SOLIB_SOURCES = $(SOLIB_SOURCES))
792 #$(warning SOLIB_GEN_SOURCES = $(SOLIB_GEN_SOURCES))
794 $(foreach src,$(filter %.c,$(SOLIB_SOURCES)),$(eval $(call COMPILE_c_o_template,$(SOURCES_DIR)/$(src),$(src:%.c=%.lo),$(SOLIB_PICFLAGS))))
796 $(foreach src,$(filter %.cc,$(SOLIB_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cc=%.lo),$(SOLIB_PICFLAGS))))
798 $(foreach src,$(filter %.cxx,$(SOLIB_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.lo),$(SOLIB_PICFLAGS))))
800 $(foreach src,$(filter %.S,$(SOLIB_SOURCES)),$(eval $(call COMPILE_S_o_template,$(SOURCES_DIR)/$(src),$(src:%.S=%.lo),$(SOLIB_PICFLAGS))))
802 $(foreach src,$(filter %.c,$(SOLIB_GEN_SOURCES)),$(eval $(call COMPILE_c_o_template,$(src),$(src:%.c=%.lo),$(SOLIB_PICFLAGS))))
806 USER_IDLS := $(sort $(USER_IDLS))
808 $(foreach src,$(filter %.idl,$(USER_IDLS)),$(eval $(call COMPILE_idl_template,$(SOURCES_DIR)/$(src),$(src:%.idl=%))))
812 ifdef KERN_RULE_TEMPLATES
814 KERN_SOURCES := $(sort $(KERN_SOURCES))
816 #$(warning KERN_SOURCES = $(KERN_SOURCES))
818 $(foreach src,$(filter %.c,$(KERN_SOURCES)),$(eval $(call COMPILE_c_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.c=%.o),)))
820 $(foreach src,$(filter %.cc,$(KERN_SOURCES)),$(eval $(call COMPILE_cc_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.cc=%.o),)))
822 $(foreach src,$(filter %.cxx,$(KERN_SOURCES)),$(eval $(call COMPILE_cc_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.o),)))
824 $(foreach src,$(filter %.S,$(USER_SOURCES)),$(eval $(call COMPILE_S_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.S=%.o),)))
827 clean-local: clean-custom
828 @echo Cleaning in $(KERN_OBJS_DIR) and $(USER_OBJS_DIR)
829 @rm -f $(KERN_OBJS_DIR)/*.o $(USER_OBJS_DIR)/*.[och] $(USER_OBJS_DIR)/*.lo\
830 $(KERN_OBJS_DIR)/*.d $(USER_OBJS_DIR)/*.d \
831 $(KERN_OBJS_DIR)/*.map $(USER_OBJS_DIR)/*.map \
832 $(KERN_OBJS_DIR)/*.mod.c \
833 $(kernel_MODULES:%=$(KERN_MODPOST_DIR)/%.*) \
834 $(LOCAL_CONFIG_H:%=$(KERN_OBJS_DIR)/%) \
835 $(LOCAL_CONFIG_H:%=$(USER_OBJS_DIR)/%)
836 @if [ -e $(KERN_LIB_DIR)/kernel.mk ] ; then \
837 touch -t 200001010101 $(KERN_LIB_DIR)/kernel.mk ; \
840 include-pass-submakes: extra-rules-subdirs
842 # We must go to EXTRA_RULES_SUBDIRS beofre going to any other
843 # directory, since the executables compiled in EXTRA_RULES_SUBDIRS
844 # might be needed there.
845 include-pass-this-dir $(foreach subdir,$(SUBDIRS),include-pass-$(subdir)-subdir): extra-rules-subdirs
847 default: include-pass link
848 ifndef OMIT_KERNEL_PASSES
849 # Also make kernel passes if not disabled
850 default: kernel-lib-pass kernel-pass