2 # Copyright (c) 2005 Martin Decky
3 # Copyright (c) 2007 Jakub Jermar
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 the
14 # documentation and/or other materials provided with the distribution.
15 # - The name of the author may not be used to endorse or promote products
16 # derived from this software without specific prior written permission.
18 # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 # Individual makefiles set:
32 # USPACE_PREFIX (*) relative path to uspace/ directory
33 # SOURCES (*) list of source files
34 # LIBS libraries to link with
35 # DEFS compiler defines
36 # EXTRA_CFLAGS additional flags to pass to C compiler
37 # LINKER_SCRIPT linker script
38 # PRE_DEPEND targets required for dependency check
40 # BINARY (/) binary output name (like appname)
41 # LIBRARY (/) library output name (like libname)
43 # EXTRA_OUTPUT additional output targets
44 # EXTRA_CLEAN additional cleanup targets
46 # Optionally, for a binary:
47 # STATIC_NEEDED set to 'y' for init binaries, will build statically
49 # STATIC_ONLY set to 'y' if binary cannot be linked dynamically
50 # (e.g. uses thread-local variables)
52 # Optionally, for a library:
53 # SOVERSION shared library version (major.minor),
54 # if missing, no shared library is built
56 # (x) required variables
57 # (/) exactly one of the variables must be defined
60 ROOT_PATH = $(USPACE_PREFIX)/..
62 VERSION_DEF = $(ROOT_PATH)/version
64 COMMON_MAKEFILE = $(ROOT_PATH)/Makefile.common
65 COMMON_HEADER = $(ROOT_PATH)/common.h
67 CONFIG_MAKEFILE = $(ROOT_PATH)/Makefile.config
68 CONFIG_HEADER = $(ROOT_PATH)/config.h
70 -include $(VERSION_DEF)
71 -include $(COMMON_MAKEFILE)
72 -include $(CONFIG_MAKEFILE)
74 OUTPUTS = $(EXTRA_OUTPUT)
78 TEST_BINARY = test-$(BINARY)
79 OUTPUTS += $(BINARY) $(BINARY).disasm
80 EXTRA_CLEAN += $(BINARY).map
85 TEST_BINARY = test-$(LIBRARY)
86 OUTPUTS += $(LIBRARY).a
89 ifeq ($(CONFIG_BUILD_SHARED_LIBS),y)
91 SLIBRARY = $(LIBRARY).so.$(SOVERSION)
92 LSONAME = $(LIBRARY).so.$(basename $(SOVERSION))
93 OUTPUTS += $(SLIBRARY) $(SLIBRARY).disasm $(LSONAME)
94 EXTRA_CLEAN += $(LIBRARY).la $(SLIBRARY).map
98 LIB_PREFIX = $(USPACE_PREFIX)/lib
100 LIBC_PREFIX = $(LIB_PREFIX)/c
101 LIBC_INCLUDES_FLAGS = \
102 -I$(LIBC_PREFIX)/include \
103 -I$(LIBC_PREFIX)/arch/$(UARCH)/include \
104 -I$(ROOT_PATH)/abi/include
105 LIBSOFTFLOAT_PREFIX = $(LIB_PREFIX)/softfloat
106 LIBSOFTINT_PREFIX = $(LIB_PREFIX)/softint
108 LIBMATH_PREFIX = $(LIB_PREFIX)/math
109 LIBMATH_INCLUDES_FLAGS = \
110 -I$(LIBMATH_PREFIX)/include \
111 -I$(LIBMATH_PREFIX)/arch/$(UARCH)/include
113 LIBPOSIX_PREFIX = $(LIB_PREFIX)/posix
114 LIBDLTEST_PREFIX = $(LIB_PREFIX)/dltest
116 AFLAGS = --fatal-warnings
117 LFLAGS = --fatal-warnings --warn-common
119 ifeq ($(STATIC_NEEDED),y)
122 ifeq ($(STATIC_ONLY),y)
125 ifeq ($(CONFIG_USE_SHARED_LIBS),y)
133 ifeq ($(STATIC_BUILD),y)
134 BASE_LIBS = $(LIBC_PREFIX)/libc.a
136 BASE_LIBS = $(LIBC_PREFIX)/libc.so.0
140 BASE_LIBS += $(LIBSOFTFLOAT_PREFIX)/libsoftfloat.a $(LIBSOFTINT_PREFIX)/libsoftint.a
142 ifeq ($(LINK_DYNAMIC),y)
144 LINKER_SCRIPT ?= $(LIBC_PREFIX)/arch/$(UARCH)/_link-dlexe.ld
146 LINKER_SCRIPT ?= $(LIBC_PREFIX)/arch/$(UARCH)/_link.ld
149 LIB_LINKER_SCRIPT = $(LIBC_PREFIX)/arch/$(UARCH)/_link-shlib.ld
151 INCLUDES_FLAGS = $(LIBC_INCLUDES_FLAGS)
154 INCLUDES_FLAGS += -Iinclude -I.
157 INCLUDES_FLAGS += $(foreach lib,$(LIBS), -I$(LIB_PREFIX)/$(lib) -I$(LIB_PREFIX)/$(lib)/include)
159 # TODO: get rid of this special case
160 ifneq ($(filter math, $(LIBS)),)
161 INCLUDES_FLAGS += $(LIBMATH_INCLUDES_FLAGS)
164 # PCUT-based unit tests
165 ifneq ($(TEST_SOURCES),)
166 TEST_OUTPUTS = $(TEST_BINARY) $(TEST_BINARY).disasm
167 TEST_CFLAGS = -I$(LIB_PREFIX)/pcut/include -D__helenos__
168 TEST_BINARY_LIBS = $(LIB_PREFIX)/pcut/libpcut.a
169 EXTRA_CLEAN += $(TEST_OUTPUTS) $(TEST_BINARY).map
171 TEST_BINARY_LIBS += $(LIBRARY).a
173 TEST_BINARY_LIBS += $(TEST_LIBS)
176 # Flags that are not necessary, and can be overriden, but are used by default.
179 -ffunction-sections \
183 -Wno-unused-parameter \
184 -Wmissing-prototypes \
186 -Werror-implicit-function-declaration
188 ifeq ($(CONFIG_DEBUG),y)
189 DEFAULT_CFLAGS += -Werror
192 ifeq ($(COMPILER),clang)
194 -Wno-missing-field-initializers \
195 -Wno-typedef-redefinition \
196 -Wno-unused-command-line-argument
202 ifeq ($(CONFIG_LINE_DEBUG),y)
203 DEFAULT_CFLAGS += -ggdb
206 # Flags that should always be used, even for third-party software.
215 # Flags that are always used for HelenOS code, but not for third-party.
219 -imacros $(CONFIG_HEADER) \
221 -fexec-charset=UTF-8 \
222 -finput-charset=UTF-8 \
224 -fdebug-prefix-map=$(realpath $(ROOT_PATH))=.
226 # TODO: Use a different name.
227 # CFLAGS variable is traditionally used for overridable flags.
228 CFLAGS = $(COMMON_CPPFLAGS) $(COMMON_CFLAGS) $(HELENOS_CFLAGS) $(DEFAULT_CFLAGS)
230 ## Setup platform configuration
233 -include $(LIBC_PREFIX)/arch/$(UARCH)/Makefile.common
235 ## Compilation options
239 JOBFILE = $(LIBC_PREFIX)/../../../tools/jobfile.py
240 # XXX: Do not change the order of arguments.
241 CC_JOB = $(JOBFILE) $(JOB) $(CC) $< -o $@
243 CC_JOB = $(CC) $< -o $@
246 ifeq ($(CONFIG_STRIP_BINARIES),y)
247 LFLAGS += --strip-all
250 LIB_CFLAGS = $(CFLAGS) -fPIC
251 LIB_LFLAGS = $(LFLAGS) -shared -soname $(LSONAME)
253 AS_CFLAGS := $(addprefix -Xassembler ,$(AFLAGS))
254 LD_CFLAGS := $(addprefix -Xlinker ,$(LFLAGS))
256 OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))
257 LOBJECTS := $(addsuffix .lo,$(basename $(SOURCES)))
258 TEST_OBJECTS := $(addsuffix .test.o,$(basename $(TEST_SOURCES)))
259 DEPENDS := $(addsuffix .d,$(basename $(SOURCES))) $(addsuffix .test.d,$(basename $(TEST_SOURCES)))
261 LIBTAGS := $(foreach lib,$(LIBS), $(USPACE_PREFIX)/lib/$(lib)/tag)
262 LIBARGS := $(addprefix -L$(USPACE_PREFIX)/lib/, $(LIBS)) $(addprefix -l, $(LIBS))
264 .PHONY: all all-test clean fasterclean depend
268 all-test: $(TEST_OUTPUTS)
271 find . -name '*.o' -follow -exec rm \{\} \;
272 find . -name '*.lo' -follow -exec rm \{\} \;
273 find . -name '*.d' -follow -exec rm \{\} \;
276 rm -rf $(JOB) $(OUTPUTS) $(EXTRA_CLEAN) tag deps.mk
278 depend: $(PRE_DEPEND)
280 # "Tag" files are used to force relink of binaries when dependencies get rebuilt,
281 # regardless of whether the dependency was linked statically or dynamically,
282 # or which version of a dynamic library was used. Prerequisites for this file
283 # are defined further down.
287 # Generate inter-module make dependencies.
288 # This is needed to ensure correct build order of libraries and code depending on them.
291 for lib in $(LIBS); do \
292 echo "$(SELF_TARGET): lib/$$lib.build" >> $@.new; \
297 ifeq ($(CONFIG_LINE_DEBUG),y)
298 $(OBJDUMP) -d -S $< > $@
300 $(OBJDUMP) -d $< > $@
304 $(BINARY): $(LINKER_SCRIPT) $(OBJECTS) $(LIBTAGS) $(BASE_LIBS)
305 $(LD) $(LFLAGS) -T $(LINKER_SCRIPT) -Map $@.map -o $@ $(OBJECTS) $(LIBARGS) $(BASE_LIBS)
308 ifneq ($(TEST_BINARY),)
309 $(TEST_BINARY): $(LINKER_SCRIPT) $(TEST_OBJECTS) $(TEST_BINARY_LIBS) $(LIBTAGS) $(BASE_LIBS)
310 $(LD) $(LFLAGS) -T $(LINKER_SCRIPT) -Map $@.map -o $@ $(TEST_OBJECTS) $(TEST_BINARY_LIBS) $(LIBARGS) $(BASE_LIBS)
316 $(LIBRARY).a: $(OBJECTS)
317 $(AR) rc $@ $(OBJECTS)
323 $(LIBRARY).la: $(LOBJECTS)
324 $(AR) rc $@ $(LOBJECTS)
326 $(SLIBRARY): $(LIB_LINKER_SCRIPT) $(LIBRARY).la
327 $(LD) $(LIB_LFLAGS) -T $(LIB_LINKER_SCRIPT) -Map $@.map -o $@ --whole-archive $(LIBRARY).la --no-whole-archive
334 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
337 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
340 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS)
342 %.test.o: %.c | depend
343 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(TEST_CFLAGS)
346 $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
349 $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
352 $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS)