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 # bin_SCRIPTS .. list of scripts to be copied to _compiled/bin
18 # kernel_MODULES .. list of the kernel side modules/applications
19 # rtlinux_MODULES .. list of RT-Linux the kernel side modules/applications
20 # xxx_SOURCES .. list of specific target sources
21 # xxx_LIBS .. list of specific target libraries (-l prefix is automatically added)
22 # xxx_LDFLAGS .. list of specific target LDFLAGS
23 # lib_LOADLIBES .. list of libraries linked to each executable
24 # INCLUDES .. additional include directories and defines for user-space
25 # kernel_INCLUDES .. additional include directories and defines for kernel-space
26 # rtlinux_INCLUDES .. additional include directories and defines for RT-Linux
27 # OMIT_KERNEL_PASSES if defined, all kernel passes are omited
29 # LINUX_DIR .. location of Linux kernel sources
30 # RTL_DIR .. location of RT-Linux sources
31 # CFLAGS .. C compiler flags
32 # CXXFLAGS .. C++ compiler flags
33 # CPPFLAGS .. C preprocessor flags
34 # LDFLAGS .. linker flags for programs linking
36 BUILD_DIR_NAME = _build
37 COMPILED_DIR_NAME = _compiled
39 GROUP_DIR_NAME = nogroup
42 KERN_INCLUDE_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/include-kern
43 KERN_LIB_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/lib-kern
44 KERN_MODULES_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/modules
45 KERN_BUILD_DIR := $(OUTPUT_DIR)/$(BUILD_DIR_NAME)/kern
46 KERN_MODPOST_DIR := $(OUTPUT_DIR)/$(BUILD_DIR_NAME)/kern-modpost
47 USER_INCLUDE_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/include
48 USER_LIB_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/lib
49 USER_UTILS_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/bin-utils
50 USER_TESTS_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/bin-tests
51 USER_BIN_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/bin
52 USER_BUILD_DIR := $(OUTPUT_DIR)/$(BUILD_DIR_NAME)/user
55 LINUX_VERSION=$(shell uname -r)
58 LINUX_DIR=/lib/modules/$(LINUX_VERSION)/build
63 ifeq ($(OS),Windows_NT)
66 BUILD_OS := $(shell uname | tr '[A-Z]' '[a-z]' )
67 #$(warning BUILD_OS=$(BUILD_OS))
72 TARGET_OS := $(BUILD_OS)
78 LOCAL_BUILD_DIR = $(USER_OBJS_DIR)
80 # Assign default values to CFLAGS variable. If the variable is defined
81 # earlier (i.g. in config.omk), it is not overriden here.
86 CPPFLAGS += -I $(USER_INCLUDE_DIR)
88 LOADLIBES += -L$(USER_LIB_DIR)
90 LOADLIBES += $(lib_LOADLIBES:%=-l%)
92 LIB_CPPFLAGS += $(CPPFLAGS)
93 LIB_CFLAGS += $(CFLAGS)
95 ifeq ($(TARGET_OS),win32)
100 SOLIB_PICFLAGS += -fpic
103 #vpath %.c $(SOURCES_DIR)
104 #vpath %.cc $(SOURCES_DIR)
105 #vpath %.cxx $(SOURCES_DIR)
107 USER_OBJS_DIR = $(USER_BUILD_DIR)/$(RELATIVE_DIR)
108 KERN_OBJS_DIR = $(KERN_BUILD_DIR)/$(RELATIVE_DIR)
109 OMK_WORK_DIR = $(USER_OBJS_DIR)
111 .PHONY: dep subdirs clean clean-custom cleandepend check-dir
113 # Some support to serialize some targets for parallel make
114 ifneq ($(OMK_SERIALIZE_INCLUDED),y)
115 include-pass: check-dir
116 library-pass: include-pass
117 link-pseudo-pass: library-pass
118 binary-pass: link-pseudo-pass
119 kernel-lib-pass: include-pass
120 kernel-mod-pass: kernel-lib-pass
121 kernel-modpost-pass: kernel-mod-pass
122 kernel-pass: kernel-mod-pass kernel-modpost-pass
124 override OMK_SERIALIZE_INCLUDED = y
125 MAKEOVERRIDES := $(filter-out OMK_SERIALIZE_INCLUDED=n,$(MAKEOVERRIDES))
128 #=====================================================================
129 # User-space rules and templates to compile programs, libraries etc.
131 ifdef USER_RULE_TEMPLATES
133 USER_SOURCES2OBJS = .o/.c .o/.cc .o/.cxx .o/.cpp .o/.S .o/.o
135 USER_SOURCES2OBJSLO = .lo/.c .lo/.cc .lo/.cxx .lo/.cpp .lo/.S .lo/.lo
138 # $(CC) -o $@ $(LCFLAGS) -c $<
140 c_o_COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
141 $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -DOMK_FOR_USER
143 cc_o_COMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
144 $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) $(CXXFLAGS) -DOMK_FOR_USER
146 S_o_COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
147 $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) $(ASFLAGS) -DOMK_FOR_USER
149 idl_COMPILE = $(IDL_COMPILER)
151 # Check GCC version for user build
152 ifndef CC_MAJOR_VERSION
153 CC_MAJOR_VERSION := $(shell $(CC) -dumpversion | $(SED4OMK) -e 's/\([^.]\)\..*/\1/')
155 # Prepare suitable define for dependency building
156 ifeq ($(CC_MAJOR_VERSION),2)
157 CC_DEPFLAGS = -Wp,-MD,"$@.d.tmp"
159 CC_DEPFLAGS = -MT $@ -MD -MP -MF "$@.d.tmp"
163 # Syntax: $(call COMPILE_c_o_template,<source>,<target>,<additional c-flags>)
164 define COMPILE_c_o_template
165 $(2): $(1) $$(GEN_HEADERS)
166 @$(QUIET_CMD_ECHO) " CC $$@"
167 $(Q) if $$(c_o_COMPILE) $$(CC_DEPFLAGS) $(3) -o $$@ -c $$< ; \
168 then mv -f "$$@.d.tmp" "$$@.d" ; \
169 else rm -f "$$@.d.tmp" ; exit 1; \
174 # Syntax: $(call COMPILE_cc_o_template,<source>,<target>,<additional c-flags>)
175 define COMPILE_cc_o_template
176 $(2): $(1) $$(GEN_HEADERS)
177 @$(QUIET_CMD_ECHO) " CXX $$@"
178 $(Q) if $$(cc_o_COMPILE) $$(CC_DEPFLAGS) $(3) -o $$@ -c $$< ; \
179 then mv -f "$$@.d.tmp" "$$@.d" ; \
180 else rm -f "$$@.d.tmp" ; exit 1; \
185 # Syntax: $(call COMPILE_S_o_template,<source>,<target>,<additional c-flags>)
186 define COMPILE_S_o_template
187 $(2): $(1) $$(GEN_HEADERS)
188 @$(QUIET_CMD_ECHO) " AS $$@"
189 $(Q) if $$(S_o_COMPILE) -D__ASSEMBLY__ $$(CC_DEPFLAGS) $(3) -o $$@ -c $$< ; \
190 then mv -f "$$@.d.tmp" "$$@.d" ; \
191 else rm -f "$$@.d.tmp" ; exit 1; \
197 # Syntax: $(call CMETRIC_o_h_template,<object_file>,<target_header>)
198 define CMETRIC_o_h_template
200 @$(QUIET_CMD_ECHO) " CMETRIC $$@"
201 $(Q)if [ -n `dirname $$@` ] ; then \
202 if [ ! -e `dirname $$@` ] ; then \
203 mkdir -p `dirname $$@` ; fi ; fi
204 $(Q)echo >$$@.tmp '/* Automatically generated from $$< */'
205 $(Q)echo >>$$@.tmp '/* Conditionals to control compilation */'
206 # Bellow, the tricks with redirection are for shells without set -o pipefail
207 # (see http://www.mail-archive.com/dash@vger.kernel.org/msg00149.html)
208 $(Q)exec 3>&1; status=`exec 4>&1 >&3; { $(NM) $$<; echo $$$$? >&4; }\
209 | $(SED4OMK) -n 's/^ *0*\(0[0-9A-Fa-f]*\) *A *_cmetric2cond_\([A-Za-z_0-9]*\) */#define \2 0x\1/p' \
210 | sort >>$$@.tmp` && exit $$$$status
211 $(Q)echo >>$$@.tmp '/* Defines from the values defined to symbols in hexadecimal format */'
212 $(Q)exec 3>&1; status=`exec 4>&1 >&3; { $(NM) $$<; echo $$$$? >&4; }\
213 | $(SED4OMK) -n 's/^ *0*\(0[0-9A-Fa-f]*\) *A *_cmetric2def_\([A-Za-z_0-9]*\) */#define \2 0x\1/p' \
214 | sort >>$$@.tmp` && exit $$$$status
215 $(Q)echo >>$$@.tmp '/* Defines from the values defined to symbols in decimal format */'
216 $(Q)exec 3>&1; status=`exec 4>&1 >&3; { $(NM) -td $$<; echo $$$$? >&4; }\
217 | $(SED4OMK) -n 's/^ *0*\(0\|[1-9][0-9]*\) *A *_cmetric2defdec_\([A-Za-z_0-9]*\) */#define \2 \1/p' \
218 | sort >>$$@.tmp` && exit $$$$status
224 define COMPILE_idl_template
225 $(2).c $(2)-stubs.c $(2)-skels.c $(2)-common.c $(2).h: $(1) $$(wildcard $$(firstword $$(idl_COMPILE)))
226 @$(QUIET_CMD_ECHO) " IDL $$@"
227 $(Q) $$(idl_COMPILE) $$($(2)_IDLFLAGS) $(1)
231 # Syntax: $(call PROGRAM_template,<executable-name>,<dir>,<executable-suffix>,<linker-sript>)
232 define PROGRAM_template
234 USER_IDLS += $$($(1)_SERVER_IDL) $$($(1)_CLIENT_IDL) $$($(1)_IDL)
235 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_SERVER_IDL:%.idl=%-skels.c))
236 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_SERVER_IDL:%.idl=%-common.c))
237 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_CLIENT_IDL:%.idl=%-stubs.c))
238 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_CLIENT_IDL:%.idl=%-common.c))
239 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_IDL:%.idl=%.c))
240 USER_GEN_SOURCES += $$($(1)_GEN_SOURCES)
242 $(foreach x, $(USER_SOURCES2OBJS),
243 $(1)_OBJS += $$(patsubst %$(notdir $(x)),%$(dir $(x)),$$(filter %$(notdir $(x)),\
244 $$($(1)_SOURCES) $$($(1)_GEN_SOURCES)))
246 $(1)_OBJS := $$(sort $$($(1)_OBJS:%/=%))
248 USER_OBJS += $$($(1)_OBJS)
249 USER_SOURCES += $$($(1)_SOURCES)
251 $(2)/$(1)$(3): $$($(1)_OBJS)
252 @$(QUIET_CMD_ECHO) " LINK $$@"
253 $(Q) $$(if $$(filter %.cc,$$($(1)_SOURCES))$$(filter %.cxx,$$($(1)_SOURCES))$$(filter %.cpp,$$($(1)_SOURCES)),$$(CXX),$$(CC)) \
254 $$($(1)_OBJS) $$($(1)_LIBS:%=-l%) $$(LOADLIBES) $$(LDFLAGS) $$($(1)_LDFLAGS) -Wl,-rpath-link,$(USER_LIB_DIR) -Wl,-Map,$(USER_OBJS_DIR)/$(1).exe.map -o $$@
255 @echo "$(2)/$(1)$(3): \\" >$(USER_OBJS_DIR)/$(1).exe.d
256 @$(SED4OMK) -n -e 's|^LOAD \(.*\)$$$$| \1 \&|p' $(USER_OBJS_DIR)/$(1).exe.map|tr '&' '\134' >>$(USER_OBJS_DIR)/$(1).exe.d
257 @echo >>$(USER_OBJS_DIR)/$(1).exe.d
260 # Usage: $(call SCRIPT_template,<target-directory>,<script-name>)
261 define SCRIPT_template
262 $(2)/$(1): $$(SOURCES_DIR)/$(1)
263 @$(QUIET_CMD_ECHO) " CP $$@"
268 # Syntax: $(call LIBRARY_template,<library-name>)
269 define LIBRARY_template
271 USER_IDLS += $$($(1)_SERVER_IDL) $$($(1)_CLIENT_IDL) $$($(1)_IDL)
272 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_SERVER_IDL:%.idl=%-skels.c))
273 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_SERVER_IDL:%.idl=%-common.c))
274 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_CLIENT_IDL:%.idl=%-stubs.c))
275 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_CLIENT_IDL:%.idl=%-common.c))
276 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_IDL:%.idl=%.c))
277 USER_GEN_SOURCES += $$($(1)_GEN_SOURCES)
279 $(foreach x, $(USER_SOURCES2OBJS),
280 $(1)_OBJS += $$(patsubst %$(notdir $(x)),%$(dir $(x)),$$(filter %$(notdir $(x)),\
281 $$($(1)_SOURCES) $$($(1)_GEN_SOURCES)))
283 $(1)_OBJS := $$(sort $$($(1)_OBJS:%/=%))
285 USER_OBJS += $$($(1)_OBJS)
286 USER_SOURCES += $$($(1)_SOURCES)
288 $(USER_LIB_DIR)/lib$(1).a: $$($(1)_OBJS)
289 @$(QUIET_CMD_ECHO) " AR $$@"
290 $(Q) $(AR) rcs $$@ $$^
295 # Syntax: $(call SOLIB_template,<library-name>)
296 define SOLIB_template
298 USER_IDLS += $$($(1)_SERVER_IDL) $$($(1)_CLIENT_IDL) $$($(1)_IDL)
299 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_SERVER_IDL:%.idl=%-skels.c))
300 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_SERVER_IDL:%.idl=%-common.c))
301 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_CLIENT_IDL:%.idl=%-stubs.c))
302 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_CLIENT_IDL:%.idl=%-common.c))
303 $(1)_GEN_SOURCES += $$(filter %.c,$$($(1)_IDL:%.idl=%.c))
304 SOLIB_GEN_SOURCES += $$($(1)_GEN_SOURCES)
306 $(foreach x, $(USER_SOURCES2OBJSLO),
307 $(1)_OBJSLO += $$(patsubst %$(notdir $(x)),%$(dir $(x)),$$(filter %$(notdir $(x)),\
308 $$($(1)_SOURCES) $$($(1)_GEN_SOURCES)))
310 $(1)_OBJSLO := $$(sort $$($(1)_OBJSLO:%/=%))
312 SOLIB_OBJS += $$($(1)_OBJSLO)
313 SOLIB_SOURCES += $$($(1)_SOURCES)
315 $(OMK_WORK_DIR)/lib$(1).$(SOLIB_EXT).omkvar: $$($(1)_OBJSLO) FORCE
316 $(Q)echo '$(1)_objslo += $$$$(addprefix $(USER_OBJS_DIR)/,$$($(1)_OBJSLO))' > $$@.tmp; \
317 echo '$(1)_libs += $$($(1)_LIBS) $$(lib_LOADLIBES)' >> $$@.tmp; \
318 echo '$(1)_ldflags += $$($(1)_LDFLAGS) $$(lib_LDFLAGS)' >> $$@.tmp; \
319 echo 'shared_libs := $$$$(sort $(1) $$$$(shared_libs))' >> $$@.tmp; \
320 if cmp -s $$@.tmp $$@; then rm $$@.tmp; else mv $$@.tmp $$@; fi
323 library-pass-local: $(addprefix $(USER_INCLUDE_DIR)/,$(cmetric_include_HEADERS)) \
324 $(lib_LIBRARIES:%=$(USER_LIB_DIR)/lib%.a) $(shared_LIBRARIES:%=$(OMK_WORK_DIR)/lib%.$(SOLIB_EXT).omkvar)
326 binary-pass-local: $(bin_PROGRAMS:%=$(USER_BIN_DIR)/%$(EXE_SUFFIX)) \
327 $(utils_PROGRAMS:%=$(USER_UTILS_DIR)/%$(EXE_SUFFIX)) \
328 $(test_PROGRAMS:%=$(USER_TESTS_DIR)/%$(EXE_SUFFIX)) \
329 $(bin_SCRIPTS:%=$(USER_BIN_DIR)/%)
331 # Special rules for CMETRIC generated headers
333 $(foreach cmetrh,$(cmetric_include_HEADERS),$(eval $(call COMPILE_c_o_template,\
334 $(SOURCES_DIR)/$($(basename $(notdir $(cmetrh)))_CMETRIC_SOURCES),\
335 $($(basename $(notdir $(cmetrh)))_CMETRIC_SOURCES:%.c=%.o),)))
336 $(foreach cmetrh,$(cmetric_include_HEADERS),$(eval $(call CMETRIC_o_h_template,\
337 $($(basename $(notdir $(cmetrh)))_CMETRIC_SOURCES:%.c=%.o),\
338 $(addprefix $(USER_INCLUDE_DIR)/,$(cmetrh)))))
340 GEN_HEADERS+=$(cmetric_include_HEADERS:%=$(USER_INCLUDE_DIR)/%)
342 GEN_HEADERS+=$(filter %.h,$(USER_IDLS:%.idl=%.h))
344 # Generate rules for compilation of programs and libraries
346 $(foreach prog,$(utils_PROGRAMS),$(eval $(call PROGRAM_template,$(prog),$(USER_UTILS_DIR),$(EXE_SUFFIX))))
348 $(foreach prog,$(test_PROGRAMS),$(eval $(call PROGRAM_template,$(prog),$(USER_TESTS_DIR),$(EXE_SUFFIX))))
350 $(foreach prog,$(bin_PROGRAMS),$(eval $(call PROGRAM_template,$(prog),$(USER_BIN_DIR),$(EXE_SUFFIX))))
352 $(foreach script,$(bin_SCRIPTS),$(eval $(call SCRIPT_template,$(script),$(USER_BIN_DIR))))
355 $(foreach lib,$(lib_LIBRARIES),$(eval $(call LIBRARY_template,$(lib))))
357 $(foreach lib,$(shared_LIBRARIES),$(eval $(call SOLIB_template,$(lib))))
359 -include $(USER_OBJS_DIR)/*.d
360 #FIXME: This doesn't include dependencies of source files from
361 #subdirectories (i.s. *_SOURCES=dir/file.c. I'm currently not sure,
364 endif # USER_RULE_TEMPLATES
366 .PHONY: link-pseudo-pass
368 $(Q)$(MAKE) $(NO_PRINT_DIRECTORY) -C $(USER_BUILD_DIR) -f $(SOURCESDIR_MAKEFILE) link-shared-libs
370 ifeq ($(MAKECMDGOALS),link-shared-libs)
372 # Syntax: $(call solib_link_template,<library-name>)
373 define solib_link_template
374 $(1)_shared_libs = $$(patsubst %,$(USER_LIB_DIR)/lib%.$(SOLIB_EXT),$$(filter $$(shared_libs),$$($(1)_libs)))
375 #$$(warning $(1)_shared_libs = $$($(1)_shared_libs))
376 $(USER_LIB_DIR)/lib$(1).$(SOLIB_EXT): $$($(1)_shared_libs) $$($(1)_objslo)
377 @$(QUIET_CMD_ECHO) " LINK $$@"
378 $(Q)$(CC) --shared -Xlinker -soname=lib$(1).$(SOLIB_EXT) -Wl,-Map,$(USER_OBJS_DIR)/lib$(1).$(SOLIB_EXT).map -o $$@ $$($(1)_objslo) $$(LOADLIBES) $$($(1)_libs:%=-l%) $$(lib_ldflags) $$($(1)_ldflags)
381 -include $(shell true; find $(USER_BUILD_DIR) -name 'lib*.omkvar') # `true' is a hack for MinGW
382 #$(warning $(shared_libs))
383 $(foreach lib,$(shared_libs),$(eval $(call solib_link_template,$(lib))))
385 .PHONY: link-shared-libs
386 link-shared-libs: $(shared_libs:%=$(USER_LIB_DIR)/lib%.$(SOLIB_EXT))
387 endif # link-shared-libs
389 #=====================================================================
390 # Kernel-space rules and templates to compile modules, libraries etc.
392 ifdef KERN_RULE_TEMPLATES
394 $(KERN_LIB_DIR)/kernel.mk: $(LINUX_DIR)/.config $(MAKERULES_DIR)/kernelcfg2mk
395 @$(QUIET_CMD_ECHO) " KCFG2MK $@"
396 $(Q) $(MAKERULES_DIR)/kernelcfg2mk $(LINUX_DIR) $(KERN_LIB_DIR)
398 ifeq ($(CONFIG_RTLINUX),y)
399 include $(RTL_DIR)/rtl.mk
402 kern_GCCLIB_DIR=$(shell LANG=C LC_ALL=C LC_MESSAGES=C $(CC) -print-search-dirs | $(SED4OMK) -n -e 's/^install: \(.*\)$$/\1/p' )
403 INCLUDES := -I $(KERN_INCLUDE_DIR) $(INCLUDE) $(rtlinux_INCLUDES) $(kernel_INCLUDES)
405 c_o_kern_COMPILE = $(KERN_CC) -idirafter $(kern_GCCLIB_DIR)/include $(INCLUDES) $(CFLAGS) -DOMK_FOR_KERNEL -DEXPORT_SYMTAB -nostdinc
406 cc_o_kern_COMPILE = $(CXX) $(INCLUDES) $(CXXFLAGS) -DOMK_FOR_KERNEL -DEXPORT_SYMTAB
407 KERN_EXE_SUFFIX := .o
412 else # CONFIG_RTLINUX
414 include $(KERN_LIB_DIR)/kernel.mk
417 LINUX_SRC = $(LINUX_DIR)
419 kernel_INCLUDES += -I $(KERN_INCLUDE_DIR) -I $(LINUX_DIR) -idirafter $(LINUX_SRC)/include/linux
422 KERN_CC = $(LINUX_CC)
423 kern_GCCLIB_DIR=$(shell LANG=C LC_ALL=C LC_MESSAGES=C $(LINUX_CC) -print-search-dirs | $(SED4OMK) -n -e 's/^install: \(.*\)$$/\1/p' )
425 KERN_CC = echo KERN_CC not defined - compilation skipped
427 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
428 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
429 S_o_kern_COMPILE = $(KERN_CC) $(kernel_INCLUDES) -idirafter $(kern_GCCLIB_DIR)/include $(LINUX_CPPFLAGS) $(LINUX_AFLAGS) $(LINUX_AFLAGS_MODULE) -DOMK_FOR_KERNEL -DEXPORT_SYMTAB -nostdinc
430 KERN_EXE_SUFFIX := $(LINUX_MODULE_EXT)
431 KERN_LDFLAGS = $(LINUX_LDFLAGS) $(LINUX_LDFLAGS_MODULE)
433 KERN_ARCH = $(LINUX_ARCH)
435 KERN_ARCH = echo KERN_ARCH not defined - skipped
438 KERN_LD = $(LINUX_LD)
440 KERN_LD = echo KERN_LD not defined - skipped
443 KERN_AR = $(LINUX_AR)
447 ifeq ($(LINUX_QUOTE_MODNAME),y)
449 KERN_KBUILD_MODNAME=-D"KBUILD_MODNAME=((THIS_MODULE)!=NULL?(THIS_MODULE)->name:NULL)"
451 endif # CONFIG_RTLINUX
453 KERN_LOADLIBES += -L$(KERN_LIB_DIR)
455 KERN_LOADLIBES += $(rtlinux_LOADLIBES:%=-l%)
456 KERN_LOADLIBES += $(kernel_LOADLIBES:%=-l%)
460 # Check GCC version for kernel part of build
461 ifndef kern_CC_MAJOR_VERSION
462 kern_CC_MAJOR_VERSION := $(shell $(KERN_CC) -dumpversion | $(SED4OMK) -e 's/\([^.]\)\..*/\1/')
464 # Prepare suitable define for dependency building
465 ifeq ($(kern_CC_MAJOR_VERSION),2)
466 kern_CC_DEPFLAGS = -Wp,-MD,"$@.d.tmp"
468 kern_CC_DEPFLAGS = -MT $@ -MD -MP -MF "$@.d.tmp"
471 ifeq ($(KERN_EXE_SUFFIX),.ko)
472 ifeq ($(wildcard $(LINUX_DIR)/scripts/mod/modpost),)
473 KERN_MODPOST = $(LINUX_DIR)/scripts/modpost
475 KERN_MODPOST = $(LINUX_DIR)/scripts/mod/modpost
477 KERN_MODULES_LINK_DIR = $(KERN_MODPOST_DIR)
478 KERN_LINK_SUFFIX = .o
480 KERN_MODULES_LINK_DIR = $(KERN_MODULES_DIR)
481 KERN_LINK_SUFFIX = $(KERN_EXE_SUFFIX)
484 ifeq ($(LINUX_CONFIG_MODVERSIONS),y)
486 MODPOST_OPTS += -i $(LINUX_DIR)/Module.symvers
487 ifneq ($(LINUX_BUILDHOST),) # this is not correct point, it should look for 2.6.17 kernel
488 MODPOST_OPTS += -I $(KERN_LIB_DIR)/Module.symvers
490 MODPOST_OPTS += -o $(KERN_LIB_DIR)/Module.symvers
493 ifeq ($(LINUX_CONFIG_DEBUG_SECTION_MISMATCH),y)
497 ifeq ($(LINUX_CONFIG_MARKERS),y)
498 MODPOST_OPTS += -K $(LINUX_DIR)/Module.markers
499 MODPOST_OPTS += -M $(KERN_LIB_DIR)/Module.markers
502 ifeq ($(LINUX_KBUILD_MODPOST_WARN),y)
506 ifneq ($(LINUX_BUILDHOST),)
507 ifneq ($(LINUX_BUILDHOST),$(LINUX_ARCH))
512 define COMPILE_c_o_kern_template
515 @$(QUIET_CMD_ECHO) " CC [K] $$@"
516 $(Q) if $$(c_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) $(KERN_KBUILD_MODNAME) \
517 -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
519 then mv -f "$$@.d.tmp" "$$@.d" ; \
520 else rm -f "$$@.d.tmp" ; exit 1; \
526 define COMPILE_cc_o_kern_template
529 @$(QUIET_CMD_ECHO) " CXX [K] $$@"
530 $(Q) if $$(cc_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) $(KERN_KBUILD_MODNAME) \
531 -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
533 then mv -f "$$@.d.tmp" "$$@.d" ; \
534 else rm -f "$$@.d.tmp" ; exit 1; \
540 define COMPILE_S_o_kern_template
543 @$(QUIET_CMD_ECHO) " AS [K] $$@"
544 $(Q) if $$(S_o_kern_COMPILE) $$(kern_CC_DEPFLAGS) $(3) $(KERN_KBUILD_MODNAME) \
545 -D"KBUILD_BASENAME=$(KERN_MQ)$(notdir $(basename $(1)))$(KERN_MQ)" \
547 then mv -f "$$@.d.tmp" "$$@.d" ; \
548 else rm -f "$$@.d.tmp" ; exit 1; \
554 define MODULE_kern_template
555 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.c=%.o))
556 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cc=%.o))
557 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cxx=%.o))
558 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cpp=%.o))
559 $(1)_OBJS := $$(sort $$($(1)_OBJS))
561 KERN_OBJS += $$($(1)_OBJS)
562 KERN_SOURCES += $$($(1)_SOURCES)
564 # this is hack to build "__this_module" structure for 2.6.x kernels
565 # modpost is used for that purpose now
569 # #include <linux/version.h>@\
570 # #include <linux/module.h>@\
571 # #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,5))@\
572 # #include <linux/vermagic.h>@\
573 # #include <linux/compiler.h>@\
575 # MODULE_INFO(vermagic, VERMAGIC_STRING);@\
578 # struct module __this_module@\
579 # __attribute__((section(\".gnu.linkonce.this_module\"))) = {@\
580 # .name = __stringify(KBUILD_MODNAME),@\
581 # .init = init_module,@\
582 # #ifdef CONFIG_MODULE_UNLOAD@\
583 # .exit = cleanup_module,@\
590 #$(eval $(call COMPILE_c_o_kern_template,$(1).mod.c,$(1).mod.o,-DKBUILD_MODNAME=$(1)))
592 $(2)/$(1)$(KERN_LINK_SUFFIX): $$($(1)_OBJS)
593 @$(QUIET_CMD_ECHO) " LD [K] $$@"
594 $(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 $$@
595 @echo "$(2)/$(1)$(KERN_LINK_SUFFIX): \\" >$(KERN_OBJS_DIR)/$(1).mod.d
596 @$(SED4OMK) -n -e 's/^LOAD \(.*\)$$$$/ \1 \\/p' $(KERN_OBJS_DIR)/$(1).mod.map >>$(KERN_OBJS_DIR)/$(1).mod.d
597 @echo >>$(KERN_OBJS_DIR)/$(1).mod.d
598 @if [ "$(KERN_EXE_SUFFIX)" = ".ko" ] ; then \
599 echo $(1) >>$(KERN_MODPOST_DIR)/module-changes ; \
600 echo $(1) >$(KERN_MODPOST_DIR)/$(1).mod.stamp ; \
607 define LIBRARY_kern_template
608 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.c=%.o))
609 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cc=%.o))
610 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cxx=%.o))
611 $(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cpp=%.o))
612 $(1)_OBJS := $$(sort $$($(1)_OBJS))
614 KERN_OBJS += $$($(1)_OBJS)
615 KERN_SOURCES += $$($(1)_SOURCES)
617 $(KERN_LIB_DIR)/lib$(1).a: $$($(1)_OBJS)
618 @$(QUIET_CMD_ECHO) " AR [K] $$@"
619 $(Q) $(KERN_AR) rcs $$@ $$^
625 kernel-lib-pass-local: $(kernel_LIBRARIES:%=$(KERN_LIB_DIR)/lib%.a)
627 kernel-mod-pass-local: $(kernel_MODULES:%=$(KERN_MODULES_LINK_DIR)/%$(KERN_LINK_SUFFIX))
629 $(foreach module,$(kernel_MODULES),$(eval $(call MODULE_kern_template,$(module),$(KERN_MODULES_LINK_DIR))))
631 $(foreach lib,$(kernel_LIBRARIES),$(eval $(call LIBRARY_kern_template,$(lib))))
636 ifeq ($(CONFIG_RTLINUX),y)
638 kernel-mod-pass-local: $(rtlinux_MODULES:%=$(KERN_MODULES_LINK_DIR)/%$(KERN_LINK_SUFFIX))
640 kernel-lib-pass-local: $(rtlinux_LIBRARIES:%=$(KERN_LIB_DIR)/lib%.a)
642 $(foreach module,$(rtlinux_MODULES),$(eval $(call MODULE_kern_template,$(module),$(KERN_MODULES_LINK_DIR))))
644 $(foreach lib,$(rtlinux_LIBRARIES),$(eval $(call LIBRARY_kern_template,$(lib))))
648 ifeq ($(KERN_MODPOST_PASS),y)
650 MODULES_LIST := $(wildcard *.mod.stamp)
651 MODULES_LIST := $(MODULES_LIST:%.mod.stamp=%)
653 define MODPOST_kern_template
654 $(2) : $(1)$(KERN_LINK_SUFFIX) $(1).mod.c
655 @$(QUIET_CMD_ECHO) " LD [M] $$@"
656 $(Q) $$(c_o_kern_COMPILE) -D"KBUILD_BASENAME=$(KERN_MQ)$(1)$(KERN_MQ)" \
657 -D"KBUILD_MODNAME=$(KERN_MQ)$(1)$(KERN_MQ)" \
658 -o $(1).mod.o -c $(1).mod.c
659 $(Q) $$(KERN_LD) $$(KERN_LDFLAGS) $(1)$(KERN_LINK_SUFFIX) $(1).mod.o -r -o $$@
662 kernel-modpost-versions: $(wildcard $(LINUX_DIR)/Module.symvers)
663 @$(QUIET_CMD_ECHO) " MODPOST $(KERN_MODPOST_DIR)"
664 @echo >$(KERN_MODPOST_DIR)/modpost-running
665 @rm -f $(KERN_MODPOST_DIR)/module-changes
666 $(Q) $(KERN_MODPOST) $(MODPOST_OPTS) $(MODULES_LIST:%=%$(KERN_LINK_SUFFIX))
668 $(MODULES_LIST:%=%.mod.c) : kernel-modpost-versions
670 kernel-modpost-pass-local: $(MODULES_LIST:%=$(KERN_MODULES_DIR)/%$(KERN_EXE_SUFFIX))
671 @rm -f $(KERN_MODPOST_DIR)/modpost-running
673 $(foreach module,$(MODULES_LIST),$(eval $(call MODPOST_kern_template,$(module),$(module:%=$(KERN_MODULES_DIR)/%$(KERN_EXE_SUFFIX)))))
677 -include $(KERN_OBJS_DIR)/*.d
681 #=====================================================================
683 # Kernel requires its own set of configuration header-files
684 ifneq ($(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),)
685 KERN_CONFIG_HEADERS_REQUIRED = y
688 $(eval $(call omk_pass_template, kernel-lib-pass,$(KERN_OBJS_DIR),KERN_RULE_TEMPLATES=y,$(kernel_LIBRARIES)$(rtlinux_LIBRARIES)))
689 $(eval $(call omk_pass_template, kernel-mod-pass,$(KERN_OBJS_DIR),KERN_RULE_TEMPLATES=y,$(kernel_MODULES)$(rtlinux_MODULES)))
692 +@if [ -e "$(KERN_MODPOST_DIR)/module-changes" -o -e "$(KERN_MODPOST_DIR)/modpost-running" ] ; \
694 $(MAKE) --no-print-directory -C $(KERN_MODPOST_DIR) \
695 -f $(SOURCES_DIR)/Makefile KERN_RULE_TEMPLATES=y KERN_MODPOST_PASS=y $(@:%=%-local) ; \
698 $(eval $(call omk_pass_template, library-pass,$(USER_OBJS_DIR),USER_RULE_TEMPLATES=y,$(lib_LIBRARIES)$(shared_LIBRARIES)))
699 $(eval $(call omk_pass_template, binary-pass, $(USER_OBJS_DIR),USER_RULE_TEMPLATES=y,$(bin_PROGRAMS)$(utils_PROGRAMS)$(test_PROGRAMS)$(bin_SCRIPTS)))
701 $(eval $(call omk_pass_template,clean,$(USER_OBJS_DIR),,always))
702 $(eval $(call omk_pass_template,install,$(USER_OBJS_DIR),,always))
703 $(eval $(call omk_pass_template,include-pass,$(USER_OBJS_DIR),USER_RULE_TEMPLATES=y,always))
706 @$(call mkdir_def,$(USER_BUILD_DIR))
707 @$(call mkdir_def,$(KERN_BUILD_DIR))
708 @$(call mkdir_def,$(USER_INCLUDE_DIR))
709 @$(call mkdir_def,$(KERN_INCLUDE_DIR))
710 @$(call mkdir_def,$(USER_LIB_DIR))
711 @$(call mkdir_def,$(KERN_LIB_DIR))
712 @$(call mkdir_def,$(USER_BIN_DIR))
713 @$(call mkdir_def,$(USER_UTILS_DIR))
714 @$(call mkdir_def,$(USER_TESTS_DIR))
715 @$(call mkdir_def,$(KERN_MODULES_DIR))
716 @$(call mkdir_def,$(KERN_MODPOST_DIR))
718 install-local: # TODO
720 $(eval $(call include-pass-template,$(USER_INCLUDE_DIR),include))
721 $(eval $(call include-pass-template,$(KERN_INCLUDE_DIR),kernel))
722 ifeq ($(CONFIG_RTLINUX),y)
723 $(eval $(call include-pass-template,$(KERN_INCLUDE_DIR),rtlinux))
727 ifdef USER_RULE_TEMPLATES
729 # User-space static libraries and applications object files
731 USER_SOURCES := $(sort $(USER_SOURCES))
733 USER_GEN_SOURCES := $(sort $(USER_GEN_SOURCES))
735 #$(warning USER_SOURCES = $(USER_SOURCES))
737 $(foreach src,$(filter %.c,$(USER_SOURCES)),$(eval $(call COMPILE_c_o_template,$(SOURCES_DIR)/$(src),$(src:%.c=%.o),)))
739 $(foreach src,$(filter %.cc,$(USER_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cc=%.o),)))
741 $(foreach src,$(filter %.cxx,$(USER_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.o),)))
743 $(foreach src,$(filter %.cpp,$(USER_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cpp=%.o),)))
745 $(foreach src,$(filter %.S,$(USER_SOURCES)),$(eval $(call COMPILE_S_o_template,$(SOURCES_DIR)/$(src),$(src:%.S=%.o),)))
747 $(foreach src,$(filter %.c,$(USER_GEN_SOURCES)),$(eval $(call COMPILE_c_o_template,$(src),$(src:%.c=%.o),)))
749 # User-space shared libraries object files
751 SOLIB_SOURCES := $(sort $(SOLIB_SOURCES))
753 SOLIB_GEN_SOURCES := $(sort $(SOLIB_GEN_SOURCES))
755 #$(warning SOLIB_SOURCES = $(SOLIB_SOURCES))
756 #$(warning SOLIB_GEN_SOURCES = $(SOLIB_GEN_SOURCES))
758 $(foreach src,$(filter %.c,$(SOLIB_SOURCES)),$(eval $(call COMPILE_c_o_template,$(SOURCES_DIR)/$(src),$(src:%.c=%.lo),$(SOLIB_PICFLAGS))))
760 $(foreach src,$(filter %.cc,$(SOLIB_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cc=%.lo),$(SOLIB_PICFLAGS))))
762 $(foreach src,$(filter %.cxx,$(SOLIB_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.lo),$(SOLIB_PICFLAGS))))
764 $(foreach src,$(filter %.cpp,$(SOLIB_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cpp=%.lo),$(SOLIB_PICFLAGS))))
766 $(foreach src,$(filter %.S,$(SOLIB_SOURCES)),$(eval $(call COMPILE_S_o_template,$(SOURCES_DIR)/$(src),$(src:%.S=%.lo),$(SOLIB_PICFLAGS))))
768 $(foreach src,$(filter %.c,$(SOLIB_GEN_SOURCES)),$(eval $(call COMPILE_c_o_template,$(src),$(src:%.c=%.lo),$(SOLIB_PICFLAGS))))
770 # Create _build directories for sources in subdirectories i.e. *_SOURCES=dir/file.c
771 _dirs_to_create=$(filter-out ./,$(sort $(dir $(USER_SOURCES) $(SOLIB_SOURCES))))
772 ifneq ($(_dirs_to_create),)
773 $(shell mkdir -p $(addprefix $(LOCAL_BUILD_DIR)/,$(_dirs_to_create)))
778 USER_IDLS := $(sort $(USER_IDLS))
780 $(foreach src,$(filter %.idl,$(USER_IDLS)),$(eval $(call COMPILE_idl_template,$(SOURCES_DIR)/$(src),$(src:%.idl=%))))
785 ifdef KERN_RULE_TEMPLATES
787 KERN_SOURCES := $(sort $(KERN_SOURCES))
789 #$(warning KERN_SOURCES = $(KERN_SOURCES))
791 $(foreach src,$(filter %.c,$(KERN_SOURCES)),$(eval $(call COMPILE_c_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.c=%.o),)))
793 $(foreach src,$(filter %.cc,$(KERN_SOURCES)),$(eval $(call COMPILE_cc_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.cc=%.o),)))
795 $(foreach src,$(filter %.cxx,$(KERN_SOURCES)),$(eval $(call COMPILE_cc_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.o),)))
797 $(foreach src,$(filter %.cpp,$(KERN_SOURCES)),$(eval $(call COMPILE_cc_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.cpp=%.o),)))
799 $(foreach src,$(filter %.S,$(USER_SOURCES)),$(eval $(call COMPILE_S_o_kern_template,$(SOURCES_DIR)/$(src),$(src:%.S=%.o),)))
802 @echo Cleaning in $(KERN_OBJS_DIR) and $(USER_OBJS_DIR)
803 @rm -f $(KERN_OBJS_DIR)/*.o $(USER_OBJS_DIR)/*.[och] $(USER_OBJS_DIR)/*.lo\
804 $(KERN_OBJS_DIR)/*.d $(USER_OBJS_DIR)/*.d \
805 $(KERN_OBJS_DIR)/*.map $(USER_OBJS_DIR)/*.map \
806 $(KERN_OBJS_DIR)/*.mod.c \
807 $(kernel_MODULES:%=$(KERN_MODPOST_DIR)/%.*) \
808 $(LOCAL_CONFIG_H:%=$(KERN_OBJS_DIR)/%) \
809 $(LOCAL_CONFIG_H:%=$(USER_OBJS_DIR)/%)
810 @if [ -e $(KERN_LIB_DIR)/kernel.mk ] ; then \
811 touch -t 200001010101 $(KERN_LIB_DIR)/kernel.mk ; \
814 include-pass-submakes: extra-rules-subdirs
816 # We must go to EXTRA_RULES_SUBDIRS before going to any other
817 # directory, since the executables compiled in EXTRA_RULES_SUBDIRS
818 # might be needed there.
819 include-pass-this-dir $(foreach subdir,$(SUBDIRS),include-pass-$(subdir)-subdir): extra-rules-subdirs
821 default: include-pass library-pass binary-pass
822 ifndef OMIT_KERNEL_PASSES
823 # Also make kernel passes if not disabled
824 default: kernel-lib-pass kernel-pass