source: mainline/uspace/Makefile.common@ f8048d1

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since f8048d1 was 954c024, checked in by Jiří Zárevúcky <jiri.zarevucky@…>, 7 years ago

Get rid of libsoftint and libsoftfloat in favor of using upstream libgcc.

  • Property mode set to 100644
File size: 11.1 KB
Line 
1#
2# Copyright (c) 2005 Martin Decky
3# Copyright (c) 2007 Jakub Jermar
4# All rights reserved.
5#
6# Redistribution and use in source and binary forms, with or without
7# modification, are permitted provided that the following conditions
8# are met:
9#
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.
17#
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.
28#
29
30# Individual makefiles set:
31#
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
38#
39# BINARY (/) binary output name (like appname)
40# LIBRARY (/) library output name (like libname)
41#
42# EXTRA_OUTPUT additional output targets
43# EXTRA_CLEAN additional cleanup targets
44#
45# Optionally, for a binary:
46# STATIC_NEEDED set to 'y' for init binaries, will build statically
47# linked version
48# STATIC_ONLY set to 'y' if binary cannot be linked dynamically
49# (e.g. uses thread-local variables)
50#
51# Optionally, for a library:
52# SOVERSION shared library version (major.minor),
53# if missing, no shared library is built
54#
55# (x) required variables
56# (/) exactly one of the variables must be defined
57#
58
59ROOT_PATH = $(USPACE_PREFIX)/..
60
61VERSION_DEF = $(ROOT_PATH)/version
62
63COMMON_MAKEFILE = $(ROOT_PATH)/Makefile.common
64COMMON_HEADER = $(ROOT_PATH)/common.h
65
66CONFIG_MAKEFILE = $(ROOT_PATH)/Makefile.config
67CONFIG_HEADER = $(ROOT_PATH)/config.h
68
69-include $(VERSION_DEF)
70-include $(COMMON_MAKEFILE)
71-include $(CONFIG_MAKEFILE)
72
73OUTPUTS = $(EXTRA_OUTPUT)
74
75ifneq ($(BINARY),)
76 JOB = $(BINARY).job
77 TEST_BINARY = test-$(BINARY)
78 OUTPUTS += $(BINARY) $(BINARY).disasm
79 EXTRA_CLEAN += $(BINARY).map
80endif
81
82ifneq ($(LIBRARY),)
83 JOB = $(LIBRARY).job
84 TEST_BINARY = test-$(LIBRARY)
85 OUTPUTS += $(LIBRARY).a
86endif
87
88ifeq ($(CONFIG_BUILD_SHARED_LIBS),y)
89 ifneq ($(SOVERSION),)
90 SLIBRARY = $(LIBRARY).so.$(SOVERSION)
91 LSONAME = $(LIBRARY).so.$(basename $(SOVERSION))
92 OUTPUTS += $(SLIBRARY) $(SLIBRARY).disasm $(LSONAME)
93 EXTRA_CLEAN += $(LIBRARY).la $(SLIBRARY).map
94 endif
95endif
96
97LIB_PREFIX = $(USPACE_PREFIX)/lib
98
99LIBC_PREFIX = $(LIB_PREFIX)/c
100LIBC_INCLUDES_FLAGS = \
101 -I$(LIBC_PREFIX)/include \
102 -I$(LIBC_PREFIX)/arch/$(UARCH)/include \
103 -I$(ROOT_PATH)/abi/include
104
105LIBCPP_PREFIX = $(LIB_PREFIX)/cpp
106LIBCPP_INCLUDES_FLAGS = -I$(LIBCPP_PREFIX)/include
107
108LIBDLTEST_PREFIX = $(LIB_PREFIX)/dltest
109
110START_FILES = $(LIBC_PREFIX)/crt0.o $(LIBC_PREFIX)/crt1.o
111
112AFLAGS = --fatal-warnings
113LDFLAGS = -Wl,--fatal-warnings,--warn-common
114
115ifeq ($(STATIC_NEEDED),y)
116 STATIC_BUILD = y
117else
118 ifeq ($(STATIC_ONLY),y)
119 STATIC_BUILD = y
120 else
121 ifeq ($(CONFIG_USE_SHARED_LIBS),y)
122 STATIC_BUILD = n
123 else
124 STATIC_BUILD = y
125 endif
126 endif
127endif
128
129ifneq ($(STATIC_BUILD),y)
130 LINK_DYNAMIC = y
131endif
132
133BASE_LIBS =
134
135ifneq ($(LIBRARY),libc)
136 ifeq ($(STATIC_BUILD),y)
137 BASE_LIBS += $(LIBC_PREFIX)/libc.a
138 else
139 BASE_LIBS += $(LIBC_PREFIX)/libc.so.0
140 endif
141endif
142
143BASE_LIBS += -lgcc
144
145ifneq ($(LINK_DYNAMIC),y)
146 LDFLAGS += -static
147endif
148
149INCLUDES_FLAGS = $(LIBC_INCLUDES_FLAGS)
150
151ifneq ($(LIBRARY),)
152 INCLUDES_FLAGS += -Iinclude -I.
153endif
154
155INCLUDES_FLAGS += $(foreach lib,$(LIBS), -I$(LIB_PREFIX)/$(lib) -I$(LIB_PREFIX)/$(lib)/include)
156
157# TODO: get rid of this special case
158ifneq ($(filter math, $(LIBS)),)
159 INCLUDES_FLAGS += $(LIBMATH_INCLUDES_FLAGS)
160endif
161
162# PCUT-based unit tests
163ifneq ($(TEST_SOURCES),)
164 TEST_OUTPUTS = $(TEST_BINARY) $(TEST_BINARY).disasm
165 TEST_CFLAGS = -I$(LIB_PREFIX)/pcut/include -D__helenos__ $(EXTRA_TEST_CFLAGS)
166 TEST_BINARY_LIBS = $(LIB_PREFIX)/pcut/libpcut.a
167 EXTRA_CLEAN += $(TEST_OUTPUTS) $(TEST_BINARY).map
168ifneq ($(LIBRARY),)
169 TEST_BINARY_LIBS += $(LIBRARY).a
170endif
171 TEST_BINARY_LIBS += $(TEST_LIBS)
172endif
173
174# Flags that are not necessary, and can be overriden, but are used by default.
175DEFAULT_CFLAGS = \
176 -O$(OPTIMIZATION) \
177 -ffunction-sections \
178 -fno-builtin-strftime \
179 -pipe \
180 -Wall \
181 -Wextra \
182 -Wno-unused-parameter \
183 -Wno-nonnull-compare \
184 -Wmissing-prototypes \
185 -Wwrite-strings \
186 -Werror-implicit-function-declaration
187
188# XXX: -fno-builtin-strftime is for a seemingly spurious format warning.
189
190ifeq ($(CONFIG_DEBUG),y)
191 DEFAULT_CFLAGS += -Werror
192endif
193
194ifeq ($(CONFIG_UBSAN),y)
195 DEFAULT_CFLAGS += -fsanitize=undefined
196endif
197
198ifeq ($(COMPILER),clang)
199 DEFAULT_CFLAGS += \
200 -Wno-missing-field-initializers \
201 -Wno-typedef-redefinition \
202 -Wno-unused-command-line-argument
203else
204 DEFAULT_CFLAGS += \
205 -Wno-clobbered
206endif
207
208ifeq ($(CONFIG_LINE_DEBUG),y)
209 DEFAULT_CFLAGS += -ggdb
210endif
211
212# Flags that should always be used, even for third-party software.
213COMMON_CPPFLAGS = \
214 -D__$(ENDIANESS)__
215
216COMMON_CFLAGS = \
217 -nostdlib
218
219# Flags that are always used for HelenOS code, but not for third-party.
220HELENOS_CFLAGS = \
221 -std=gnu99 \
222 $(INCLUDES_FLAGS) \
223 -imacros $(CONFIG_HEADER) \
224 -D_HELENOS_SOURCE \
225 -fexec-charset=UTF-8 \
226 -finput-charset=UTF-8 \
227 -fno-common \
228 -fdebug-prefix-map=$(realpath $(ROOT_PATH))=.
229
230# TODO: Use a different name.
231# CFLAGS variable is traditionally used for overridable flags.
232CFLAGS = $(COMMON_CPPFLAGS) $(COMMON_CFLAGS) $(HELENOS_CFLAGS) $(DEFAULT_CFLAGS)
233
234# Flags for the compilation of C++ code.
235CXX_BASE_LIBS = $(LIBCPP_PREFIX)/libcpp.a $(BASE_LIBS)
236DEFAULT_CXXFLAGS = \
237 -O$(OPTIMIZATION) \
238 -ffunction-sections \
239 -pipe \
240 -Wall \
241 -Wextra \
242 -Wno-unused-parameter \
243 -Wwrite-strings \
244 -Werror-implicit-function-declaration
245
246ifeq ($(CONFIG_DEBUG),y)
247 DEFAULT_CXXFLAGS += -Werror
248endif
249
250COMMON_CXXFLAGS = $(COMMON_CFLAGS) -fno-exceptions
251HELENOS_CXXFLAGS = \
252 -std=c++17 -frtti \
253 $(LIBCPP_INCLUDES_FLAGS) $(INCLUDES_FLAGS) \
254 -imacros $(CONFIG_HEADER) \
255 -D_HELENOS_SOURCE \
256 -fexec-charset=UTF-8 \
257 -finput-charset=UTF-8 \
258 -fno-common \
259 -fdebug-prefix-map=$(realpath $(ROOT_PATH))=.
260
261CXXFLAGS = $(COMMON_CPPFLAGS) $(COMMON_CXXFLAGS) $(HELENOS_CXXFLAGS) $(DEFAULT_CXXFLAGS)
262
263## Setup platform configuration
264#
265
266-include $(LIBC_PREFIX)/arch/$(UARCH)/Makefile.common
267
268## Compilation options
269#
270
271ifeq ($(PRECHECK),y)
272 JOBFILE = $(LIBC_PREFIX)/../../../tools/jobfile.py
273 # XXX: Do not change the order of arguments.
274 CC_JOB = $(JOBFILE) $(JOB) $(CC) $< -o $@
275 CXX_JOB = $(JOBFILE) $(JOB) $(CXX) $< -o $@
276else
277 CC_JOB = $(CC) $< -o $@
278 CXX_JOB = $(CXX) $< -o $@
279endif
280
281ifeq ($(CONFIG_STRIP_BINARIES),y)
282 LDFLAGS += -s
283endif
284
285LIB_CFLAGS = $(CFLAGS) -fPIC
286LIB_LDFLAGS = $(LDFLAGS) -shared -Wl,-soname,$(LSONAME) -Wl,--no-undefined,--no-allow-shlib-undefined
287
288AS_CFLAGS := $(addprefix -Xassembler ,$(AFLAGS))
289
290OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))
291LOBJECTS := $(addsuffix .lo,$(basename $(SOURCES)))
292TEST_OBJECTS := $(addsuffix .test.o,$(basename $(TEST_SOURCES)))
293DEPENDS := $(addsuffix .d,$(basename $(SOURCES))) $(addsuffix .test.d,$(basename $(TEST_SOURCES)))
294
295LIBTAGS := $(foreach lib,$(LIBS), $(USPACE_PREFIX)/lib/$(lib)/tag)
296LIBARGS := $(addprefix -L$(USPACE_PREFIX)/lib/, $(LIBS)) $(addprefix -l, $(LIBS))
297
298.PHONY: all all-test clean fasterclean depend
299
300all: tag $(OUTPUTS)
301
302all-test: $(TEST_OUTPUTS)
303
304clean: fasterclean
305 find . -name '*.o' -follow -exec rm \{\} \;
306 find . -name '*.lo' -follow -exec rm \{\} \;
307 find . -name '*.d' -follow -exec rm \{\} \;
308
309fasterclean:
310 rm -rf $(JOB) $(OUTPUTS) $(EXTRA_CLEAN) tag deps.mk
311
312depend: $(PRE_DEPEND)
313
314# "Tag" files are used to force relink of binaries when dependencies get rebuilt,
315# regardless of whether the dependency was linked statically or dynamically,
316# or which version of a dynamic library was used. Prerequisites for this file
317# are defined further down.
318tag:
319 touch tag
320
321# Generate inter-module make dependencies.
322# This is needed to ensure correct build order of libraries and code depending on them.
323deps.mk: Makefile
324 echo > $@.new
325 for lib in $(LIBS); do \
326 echo "$(SELF_TARGET): lib/$$lib.build" >> $@.new; \
327 done
328 mv -f $@.new $@
329
330%.disasm: %
331ifeq ($(CONFIG_LINE_DEBUG),y)
332 $(OBJDUMP) -d -S $< > $@
333else
334 $(OBJDUMP) -d $< > $@
335endif
336
337ifneq ($(BINARY),)
338
339ifneq ($(filter %.cpp %.cc %.cxx, $(SOURCES)),)
340$(BINARY): $(OBJECTS) $(LIBTAGS)
341 $(CXX) $(CXXFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS) -Wl,-Map,$@.map -o $@ $(START_FILES) $(OBJECTS) $(LIBARGS) $(CXX_BASE_LIBS)
342else
343$(BINARY): $(OBJECTS) $(LIBTAGS)
344 $(CC) $(CFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS) -Wl,-Map,$@.map -o $@ $(START_FILES) $(OBJECTS) $(LIBARGS) $(BASE_LIBS)
345endif
346
347endif
348
349ifneq ($(TEST_BINARY),)
350$(TEST_BINARY): $(TEST_OBJECTS) $(TEST_BINARY_LIBS) $(LIBTAGS)
351 $(CC) $(CFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS) -Wl,-Map,$@.map -o $@ $(START_FILES) $(TEST_OBJECTS) $(TEST_BINARY_LIBS) $(LIBARGS) $(BASE_LIBS)
352endif
353
354ifneq ($(LIBRARY),)
355tag: $(LIBRARY).a
356
357$(LIBRARY).a: $(OBJECTS)
358 $(AR) rc $@ $(OBJECTS)
359endif
360
361ifneq ($(SLIBRARY),)
362tag: $(SLIBRARY)
363
364$(LIBRARY).la: $(LOBJECTS)
365 $(AR) rc $@ $(LOBJECTS)
366
367$(SLIBRARY): $(LIBRARY).la
368 $(CC) $(CFLAGS) $(LIB_LDFLAGS) $(EXTRA_LDFLAGS) -Wl,-Map,$@.map -o $@ -Wl,--whole-archive $(LIBRARY).la -Wl,--no-whole-archive $(LIBARGS) $(BASE_LIBS)
369
370$(LSONAME):
371 ln -s $(SLIBRARY) $@
372endif
373
374%.o: %.S | depend
375 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
376
377%.o: %.s | depend
378 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
379
380%.o: %.c | depend
381 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS)
382
383%.o: %.cpp | depend
384 $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
385
386%.o: %.cxx | depend
387 $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
388
389%.o: %.cc | depend
390 $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
391
392%.test.o: %.c | depend
393 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(TEST_CFLAGS)
394
395%.lo: %.S | depend
396 $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
397
398%.lo: %.s | depend
399 $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
400
401%.lo: %.c | depend
402 $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS)
403
404%.lo: %.cpp | depend
405 $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
406
407%.lo: %.cxx | depend
408 $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
409
410%.lo: %.cc | depend
411 $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
412
413-include $(DEPENDS)
414
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