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 # PRE_DEPEND targets required for dependency check
39 # BINARY (/) binary output name (like appname)
40 # LIBRARY (/) library output name (like libname)
42 # EXTRA_OUTPUT additional output targets
43 # EXTRA_CLEAN additional cleanup targets
45 # Optionally, for a binary:
46 # STATIC_NEEDED set to 'y' for init binaries, will build statically
48 # STATIC_ONLY set to 'y' if binary cannot be linked dynamically
49 # (e.g. uses thread-local variables)
51 # Optionally, for a library:
52 # SOVERSION shared library version (major.minor),
53 # if missing, no shared library is built
55 # (x) required variables
56 # (/) exactly one of the variables must be defined
59 ROOT_PATH = $(USPACE_PREFIX)/..
61 VERSION_DEF = $(ROOT_PATH)/version
63 COMMON_MAKEFILE = $(ROOT_PATH)/Makefile.common
64 COMMON_HEADER = $(ROOT_PATH)/common.h
66 CONFIG_MAKEFILE = $(ROOT_PATH)/Makefile.config
67 CONFIG_HEADER = $(ROOT_PATH)/config.h
69 -include $(VERSION_DEF)
70 -include $(COMMON_MAKEFILE)
71 -include $(CONFIG_MAKEFILE)
73 OUTPUTS = $(EXTRA_OUTPUT)
77 TEST_BINARY = test-$(BINARY)
78 OUTPUTS += $(BINARY) $(BINARY).disasm
79 EXTRA_CLEAN += $(BINARY).map
84 TEST_BINARY = test-$(LIBRARY)
85 OUTPUTS += $(LIBRARY).a
88 ifeq ($(CONFIG_BUILD_SHARED_LIBS),y)
90 SLIBRARY = $(LIBRARY).so.$(SOVERSION)
91 LSONAME = $(LIBRARY).so.$(basename $(SOVERSION))
92 OUTPUTS += $(SLIBRARY) $(SLIBRARY).disasm $(LSONAME)
93 EXTRA_CLEAN += $(LIBRARY).la $(SLIBRARY).map
97 LIB_PREFIX = $(USPACE_PREFIX)/lib
99 LIBC_PREFIX = $(LIB_PREFIX)/c
100 LIBC_INCLUDES_FLAGS = \
101 -isystem $(LIBC_PREFIX)/include \
102 -isystem $(LIBC_PREFIX)/arch/$(UARCH)/include \
103 -isystem $(ROOT_PATH)/abi/arch/$(KARCH)/include \
104 -isystem $(ROOT_PATH)/abi/include
106 LIBCPP_PREFIX = $(LIB_PREFIX)/cpp
107 LIBCPP_INCLUDES_FLAGS = -isystem $(LIBCPP_PREFIX)/include
109 LIBDLTEST_PREFIX = $(LIB_PREFIX)/dltest
111 START_FILES = $(LIBC_PREFIX)/crt0.o $(LIBC_PREFIX)/crt1.o
113 AFLAGS = --fatal-warnings
114 LDFLAGS = -Wl,--fatal-warnings,--warn-common
116 ifeq ($(STATIC_NEEDED),y)
119 ifeq ($(STATIC_ONLY),y)
122 ifeq ($(CONFIG_USE_SHARED_LIBS),y)
130 ifneq ($(STATIC_BUILD),y)
136 ifneq ($(LIBRARY),libc)
137 ifeq ($(STATIC_BUILD),y)
138 BASE_LIBS += $(LIBC_PREFIX)/libc.a
140 BASE_LIBS += $(LIBC_PREFIX)/libc.so.0
146 ifneq ($(LINK_DYNAMIC),y)
150 INCLUDES_FLAGS = $(LIBC_INCLUDES_FLAGS)
153 INCLUDES_FLAGS += -Iinclude -I.
156 INCLUDES_FLAGS += $(foreach lib,$(LIBS), -I$(LIB_PREFIX)/$(lib) -I$(LIB_PREFIX)/$(lib)/include)
158 # TODO: get rid of this special case
159 ifneq ($(filter math, $(LIBS)),)
160 INCLUDES_FLAGS += $(LIBMATH_INCLUDES_FLAGS)
163 # PCUT-based unit tests
164 ifneq ($(TEST_SOURCES),)
165 TEST_OUTPUTS = $(TEST_BINARY) $(TEST_BINARY).disasm
166 TEST_CFLAGS = -I$(LIB_PREFIX)/pcut/include -D__helenos__ $(EXTRA_TEST_CFLAGS)
167 TEST_BINARY_LIBS = $(LIB_PREFIX)/pcut/libpcut.a
168 EXTRA_CLEAN += $(TEST_OUTPUTS) $(TEST_BINARY).map
170 TEST_BINARY_LIBS += $(LIBRARY).a
172 TEST_BINARY_LIBS += $(TEST_LIBS)
175 # Flags that are not necessary, and can be overriden, but are used by default.
178 -ffunction-sections \
179 -fno-builtin-strftime \
183 -Wno-unused-parameter \
184 -Wmissing-prototypes \
186 -Werror-implicit-function-declaration \
190 # XXX: -fno-builtin-strftime is for a seemingly spurious format warning.
192 ifeq ($(CONFIG_DEBUG),y)
193 DEFAULT_CFLAGS += -Werror
196 ifeq ($(CONFIG_UBSAN),y)
197 DEFAULT_CFLAGS += -fsanitize=undefined
200 ifeq ($(COMPILER),clang)
202 -Wno-missing-braces \
203 -Wno-missing-field-initializers \
204 -Wno-typedef-redefinition \
205 -Wno-unused-command-line-argument
208 -Wno-nonnull-compare \
212 ifeq ($(CONFIG_LINE_DEBUG),y)
213 DEFAULT_CFLAGS += -ggdb
216 # Flags that should always be used, even for third-party software.
223 # Flags that are always used for HelenOS code, but not for third-party.
227 -imacros $(CONFIG_HEADER) \
229 -fexec-charset=UTF-8 \
230 -finput-charset=UTF-8 \
232 -fdebug-prefix-map=$(realpath $(ROOT_PATH))=.
234 # TODO: Use a different name.
235 # CFLAGS variable is traditionally used for overridable flags.
236 CFLAGS = $(COMMON_CPPFLAGS) $(COMMON_CFLAGS) $(HELENOS_CFLAGS) $(DEFAULT_CFLAGS)
238 # Flags for the compilation of C++ code.
239 CXX_BASE_LIBS = $(LIBCPP_PREFIX)/libcpp.a $(BASE_LIBS)
242 -ffunction-sections \
246 -Wno-unused-parameter \
248 -Werror-implicit-function-declaration
250 ifeq ($(CONFIG_DEBUG),y)
251 DEFAULT_CXXFLAGS += -Werror
254 COMMON_CXXFLAGS = $(COMMON_CFLAGS) -fno-exceptions
257 $(LIBCPP_INCLUDES_FLAGS) $(INCLUDES_FLAGS) \
258 -imacros $(CONFIG_HEADER) \
260 -fexec-charset=UTF-8 \
261 -finput-charset=UTF-8 \
263 -fdebug-prefix-map=$(realpath $(ROOT_PATH))=.
265 CXXFLAGS = $(COMMON_CPPFLAGS) $(COMMON_CXXFLAGS) $(HELENOS_CXXFLAGS) $(DEFAULT_CXXFLAGS)
267 ## Setup platform configuration
270 -include $(LIBC_PREFIX)/arch/$(UARCH)/Makefile.common
272 ## Compilation options
276 JOBFILE = $(LIBC_PREFIX)/../../../tools/jobfile.py
277 # NOTE: You must not change the order of arguments.
278 CC_JOB = $(JOBFILE) $(JOB) $(CC) $< -o $@
279 CXX_JOB = $(JOBFILE) $(JOB) $(CXX) $< -o $@
281 CC_JOB = $(CC) $< -o $@
282 CXX_JOB = $(CXX) $< -o $@
285 ifeq ($(CONFIG_STRIP_BINARIES),y)
289 LIB_CFLAGS = $(CFLAGS) -fPIC
290 LIB_LDFLAGS = $(LDFLAGS) -shared -Wl,-soname,$(LSONAME) -Wl,--no-undefined,--no-allow-shlib-undefined
292 AS_CFLAGS := $(addprefix -Xassembler ,$(AFLAGS))
294 OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))
295 LOBJECTS := $(addsuffix .lo,$(basename $(SOURCES)))
296 TEST_OBJECTS := $(addsuffix .test.o,$(basename $(TEST_SOURCES)))
297 DEPENDS := $(addsuffix .d,$(basename $(SOURCES))) $(addsuffix .test.d,$(basename $(TEST_SOURCES)))
299 LIBTAGS := $(foreach lib,$(LIBS), $(USPACE_PREFIX)/lib/$(lib)/tag)
300 LIBARGS := $(addprefix -L$(USPACE_PREFIX)/lib/, $(LIBS)) $(addprefix -l, $(LIBS))
302 .PHONY: all all-test clean fasterclean depend
306 all-test: $(TEST_OUTPUTS)
309 find . -name '*.o' -follow -exec rm \{\} \;
310 find . -name '*.lo' -follow -exec rm \{\} \;
311 find . -name '*.d' -follow -exec rm \{\} \;
314 rm -rf $(JOB) $(OUTPUTS) $(EXTRA_CLEAN) tag deps.mk
316 depend: $(PRE_DEPEND)
318 # "Tag" files are used to force relink of binaries when dependencies get rebuilt,
319 # regardless of whether the dependency was linked statically or dynamically,
320 # or which version of a dynamic library was used. Prerequisites for this file
321 # are defined further down.
325 # Generate inter-module make dependencies.
326 # This is needed to ensure correct build order of libraries and code depending on them.
329 for lib in $(LIBS); do \
330 echo "$(SELF_TARGET): lib/$$lib.build" >> $@.new; \
335 ifeq ($(CONFIG_LINE_DEBUG),y)
336 $(OBJDUMP) -d -S $< > $@
338 $(OBJDUMP) -d $< > $@
343 ifneq ($(filter %.cpp %.cc %.cxx, $(SOURCES)),)
344 $(BINARY): $(OBJECTS) $(LIBTAGS)
345 $(CXX) $(CXXFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS) -Wl,-Map,$@.map -o $@ $(START_FILES) $(OBJECTS) $(LIBARGS) $(CXX_BASE_LIBS)
347 $(BINARY): $(OBJECTS) $(LIBTAGS)
348 $(CC) $(CFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS) -Wl,-Map,$@.map -o $@ $(START_FILES) $(OBJECTS) $(LIBARGS) $(BASE_LIBS)
353 ifneq ($(TEST_BINARY),)
354 $(TEST_BINARY): $(TEST_OBJECTS) $(TEST_BINARY_LIBS) $(LIBTAGS)
355 $(CC) $(CFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS) -Wl,-Map,$@.map -o $@ $(START_FILES) $(TEST_OBJECTS) $(TEST_BINARY_LIBS) $(LIBARGS) $(BASE_LIBS)
361 $(LIBRARY).a: $(OBJECTS)
362 $(AR) rc $@ $(OBJECTS)
368 $(LIBRARY).la: $(LOBJECTS)
369 $(AR) rc $@ $(LOBJECTS)
371 $(SLIBRARY): $(LIBRARY).la
372 $(CC) $(CFLAGS) $(LIB_LDFLAGS) $(EXTRA_LDFLAGS) -Wl,-Map,$@.map -o $@ -Wl,--whole-archive $(LIBRARY).la -Wl,--no-whole-archive $(LIBARGS) $(BASE_LIBS)
379 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
382 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
385 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS)
388 $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
391 $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
394 $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
396 %.test.o: %.c | depend
397 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(TEST_CFLAGS)
400 $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
403 $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
406 $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS)
409 $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
412 $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
415 $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)