source: mainline/uspace/Makefile.common@ 7bbf91e

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 7bbf91e was 5fb070d, checked in by Dzejrou <dzejrou@…>, 7 years ago

cpp: changed the current standard to C++17, this should be added to config later

  • Property mode set to 100644
File size: 10.5 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# LINKER_SCRIPT linker script
38# PRE_DEPEND targets required for dependency check
39#
40# BINARY (/) binary output name (like appname)
41# LIBRARY (/) library output name (like libname)
42#
43# EXTRA_OUTPUT additional output targets
44# EXTRA_CLEAN additional cleanup targets
45#
46# Optionally, for a binary:
47# STATIC_NEEDED set to 'y' for init binaries, will build statically
48# linked version
49# STATIC_ONLY set to 'y' if binary cannot be linked dynamically
50# (e.g. uses thread-local variables)
51#
52# Optionally, for a library:
53# SOVERSION shared library version (major.minor),
54# if missing, no shared library is built
55#
56# (x) required variables
57# (/) exactly one of the variables must be defined
58#
59
60ROOT_PATH = $(USPACE_PREFIX)/..
61
62VERSION_DEF = $(ROOT_PATH)/version
63
64COMMON_MAKEFILE = $(ROOT_PATH)/Makefile.common
65COMMON_HEADER = $(ROOT_PATH)/common.h
66
67CONFIG_MAKEFILE = $(ROOT_PATH)/Makefile.config
68CONFIG_HEADER = $(ROOT_PATH)/config.h
69
70-include $(VERSION_DEF)
71-include $(COMMON_MAKEFILE)
72-include $(CONFIG_MAKEFILE)
73
74OUTPUTS = $(EXTRA_OUTPUT)
75
76ifneq ($(BINARY),)
77 JOB = $(BINARY).job
78 TEST_BINARY = test-$(BINARY)
79 OUTPUTS += $(BINARY) $(BINARY).disasm
80 EXTRA_CLEAN += $(BINARY).map
81endif
82
83ifneq ($(LIBRARY),)
84 JOB = $(LIBRARY).job
85 TEST_BINARY = test-$(LIBRARY)
86 OUTPUTS += $(LIBRARY).a
87endif
88
89ifeq ($(CONFIG_BUILD_SHARED_LIBS),y)
90 ifneq ($(SOVERSION),)
91 SLIBRARY = $(LIBRARY).so.$(SOVERSION)
92 LSONAME = $(LIBRARY).so.$(basename $(SOVERSION))
93 OUTPUTS += $(SLIBRARY) $(SLIBRARY).disasm $(LSONAME)
94 EXTRA_CLEAN += $(LIBRARY).la $(SLIBRARY).map
95 endif
96endif
97
98LIB_PREFIX = $(USPACE_PREFIX)/lib
99
100LIBC_PREFIX = $(LIB_PREFIX)/c
101LIBC_INCLUDES_FLAGS = \
102 -I$(LIBC_PREFIX)/include \
103 -I$(LIBC_PREFIX)/arch/$(UARCH)/include \
104 -I$(ROOT_PATH)/abi/include
105
106LIBCPP_PREFIX = $(LIB_PREFIX)/cpp
107LIBCPP_INCLUDES_FLAGS = -I$(LIBCPP_PREFIX)/include
108
109LIBSOFTFLOAT_PREFIX = $(LIB_PREFIX)/softfloat
110LIBSOFTINT_PREFIX = $(LIB_PREFIX)/softint
111
112LIBMATH_PREFIX = $(LIB_PREFIX)/math
113LIBMATH_INCLUDES_FLAGS = \
114 -I$(LIBMATH_PREFIX)/include \
115 -I$(LIBMATH_PREFIX)/arch/$(UARCH)/include
116
117LIBPOSIX_PREFIX = $(LIB_PREFIX)/posix
118LIBDLTEST_PREFIX = $(LIB_PREFIX)/dltest
119
120AFLAGS = --fatal-warnings
121LDFLAGS = -Wl,--fatal-warnings,--warn-common
122
123ifeq ($(STATIC_NEEDED),y)
124 STATIC_BUILD = y
125else
126 ifeq ($(STATIC_ONLY),y)
127 STATIC_BUILD = y
128 else
129 ifeq ($(CONFIG_USE_SHARED_LIBS),y)
130 STATIC_BUILD = n
131 else
132 STATIC_BUILD = y
133 endif
134 endif
135endif
136
137ifeq ($(STATIC_BUILD),y)
138 BASE_LIBS = $(LIBC_PREFIX)/libc.a
139else
140 BASE_LIBS = $(LIBC_PREFIX)/libc.so.0
141 LINK_DYNAMIC = y
142endif
143
144BASE_LIBS += $(LIBSOFTFLOAT_PREFIX)/libsoftfloat.a $(LIBSOFTINT_PREFIX)/libsoftint.a
145
146ifeq ($(LINK_DYNAMIC),y)
147 LINKER_SCRIPT ?= $(LIBC_PREFIX)/arch/$(UARCH)/_link-dlexe.ld
148else
149 LDFLAGS += -static
150 LINKER_SCRIPT ?= $(LIBC_PREFIX)/arch/$(UARCH)/_link.ld
151endif
152
153LIB_LINKER_SCRIPT = $(LIBC_PREFIX)/arch/$(UARCH)/_link-shlib.ld
154
155INCLUDES_FLAGS = $(LIBC_INCLUDES_FLAGS)
156
157ifneq ($(LIBRARY),)
158 INCLUDES_FLAGS += -Iinclude -I.
159endif
160
161INCLUDES_FLAGS += $(foreach lib,$(LIBS), -I$(LIB_PREFIX)/$(lib) -I$(LIB_PREFIX)/$(lib)/include)
162
163# TODO: get rid of this special case
164ifneq ($(filter math, $(LIBS)),)
165 INCLUDES_FLAGS += $(LIBMATH_INCLUDES_FLAGS)
166endif
167
168# PCUT-based unit tests
169ifneq ($(TEST_SOURCES),)
170 TEST_OUTPUTS = $(TEST_BINARY) $(TEST_BINARY).disasm
171 TEST_CFLAGS = -I$(LIB_PREFIX)/pcut/include -D__helenos__ $(EXTRA_TEST_CFLAGS)
172 TEST_BINARY_LIBS = $(LIB_PREFIX)/pcut/libpcut.a
173 EXTRA_CLEAN += $(TEST_OUTPUTS) $(TEST_BINARY).map
174ifneq ($(LIBRARY),)
175 TEST_BINARY_LIBS += $(LIBRARY).a
176endif
177 TEST_BINARY_LIBS += $(TEST_LIBS)
178endif
179
180# Flags that are not necessary, and can be overriden, but are used by default.
181DEFAULT_CFLAGS = \
182 -O$(OPTIMIZATION) \
183 -ffunction-sections \
184 -pipe \
185 -Wall \
186 -Wextra \
187 -Wno-unused-parameter \
188 -Wmissing-prototypes \
189 -Wwrite-strings \
190 -Werror-implicit-function-declaration
191
192ifeq ($(CONFIG_DEBUG),y)
193 DEFAULT_CFLAGS += -Werror
194endif
195
196ifeq ($(CONFIG_UBSAN),y)
197 DEFAULT_CFLAGS += -fsanitize=undefined
198endif
199
200ifeq ($(COMPILER),clang)
201 DEFAULT_CFLAGS += \
202 -Wno-missing-field-initializers \
203 -Wno-typedef-redefinition \
204 -Wno-unused-command-line-argument
205else
206 DEFAULT_CFLAGS += \
207 -Wno-clobbered
208endif
209
210ifeq ($(CONFIG_LINE_DEBUG),y)
211 DEFAULT_CFLAGS += -ggdb
212endif
213
214# Flags that should always be used, even for third-party software.
215COMMON_CPPFLAGS = \
216 -nostdinc \
217 -D__$(ENDIANESS)__
218
219COMMON_CFLAGS = \
220 -ffreestanding \
221 -nostdlib
222
223# Flags that are always used for HelenOS code, but not for third-party.
224HELENOS_CFLAGS = \
225 -std=gnu99 \
226 $(INCLUDES_FLAGS) \
227 -imacros $(CONFIG_HEADER) \
228 -D_HELENOS_SOURCE \
229 -fexec-charset=UTF-8 \
230 -finput-charset=UTF-8 \
231 -fno-common \
232 -fdebug-prefix-map=$(realpath $(ROOT_PATH))=.
233
234# TODO: Use a different name.
235# CFLAGS variable is traditionally used for overridable flags.
236CFLAGS = $(COMMON_CPPFLAGS) $(COMMON_CFLAGS) $(HELENOS_CFLAGS) $(DEFAULT_CFLAGS)
237
238# Flags for the compilation of C++ code.
239CPPFLAGS = $(LIBCPP_INCLUDES_FLAGS) $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
240 -fexec-charset=UTF-8 -fwide-exec-charset=UTF-32$(ENDIANESS) \
241 -finput-charset=UTF-8 -ffreestanding -fno-builtin -ffunction-sections \
242 -nostdlib -nostdinc -Wall -Wextra -Wno-clobbered -Wno-unused-parameter \
243 -std=c++17 -Werror-implicit-function-declaration \
244 -Wwrite-strings -pipe -ggdb -D__$(ENDIANESS)__
245
246## Setup platform configuration
247#
248
249-include $(LIBC_PREFIX)/arch/$(UARCH)/Makefile.common
250
251## Compilation options
252#
253
254ifeq ($(PRECHECK),y)
255 JOBFILE = $(LIBC_PREFIX)/../../../tools/jobfile.py
256 # XXX: Do not change the order of arguments.
257 CC_JOB = $(JOBFILE) $(JOB) $(CC) $< -o $@
258else
259 CC_JOB = $(CC) $< -o $@
260endif
261
262ifeq ($(CONFIG_STRIP_BINARIES),y)
263 LDFLAGS += -s
264endif
265
266LIB_CFLAGS = $(CFLAGS) -fPIC
267LIB_LDFLAGS = $(LDFLAGS) -shared -Wl,-soname,$(LSONAME)
268
269AS_CFLAGS := $(addprefix -Xassembler ,$(AFLAGS))
270
271OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))
272LOBJECTS := $(addsuffix .lo,$(basename $(SOURCES)))
273TEST_OBJECTS := $(addsuffix .test.o,$(basename $(TEST_SOURCES)))
274DEPENDS := $(addsuffix .d,$(basename $(SOURCES))) $(addsuffix .test.d,$(basename $(TEST_SOURCES)))
275
276LIBTAGS := $(foreach lib,$(LIBS), $(USPACE_PREFIX)/lib/$(lib)/tag)
277LIBARGS := $(addprefix -L$(USPACE_PREFIX)/lib/, $(LIBS)) $(addprefix -l, $(LIBS))
278
279.PHONY: all all-test clean fasterclean depend
280
281all: tag $(OUTPUTS)
282
283all-test: $(TEST_OUTPUTS)
284
285clean: fasterclean
286 find . -name '*.o' -follow -exec rm \{\} \;
287 find . -name '*.lo' -follow -exec rm \{\} \;
288 find . -name '*.d' -follow -exec rm \{\} \;
289
290fasterclean:
291 rm -rf $(JOB) $(OUTPUTS) $(EXTRA_CLEAN) tag deps.mk
292
293depend: $(PRE_DEPEND)
294
295# "Tag" files are used to force relink of binaries when dependencies get rebuilt,
296# regardless of whether the dependency was linked statically or dynamically,
297# or which version of a dynamic library was used. Prerequisites for this file
298# are defined further down.
299tag:
300 touch tag
301
302# Generate inter-module make dependencies.
303# This is needed to ensure correct build order of libraries and code depending on them.
304deps.mk: Makefile
305 echo > $@.new
306 for lib in $(LIBS); do \
307 echo "$(SELF_TARGET): lib/$$lib.build" >> $@.new; \
308 done
309 mv -f $@.new $@
310
311%.disasm: %
312ifeq ($(CONFIG_LINE_DEBUG),y)
313 $(OBJDUMP) -d -S $< > $@
314else
315 $(OBJDUMP) -d $< > $@
316endif
317
318ifneq ($(BINARY),)
319$(BINARY): $(LINKER_SCRIPT) $(OBJECTS) $(LIBTAGS) $(BASE_LIBS)
320 $(CC) $(CFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS) -T $(LINKER_SCRIPT) -Wl,-Map,$@.map -o $@ $(OBJECTS) $(LIBARGS) $(BASE_LIBS)
321endif
322
323ifneq ($(TEST_BINARY),)
324$(TEST_BINARY): $(LINKER_SCRIPT) $(TEST_OBJECTS) $(TEST_BINARY_LIBS) $(LIBTAGS) $(BASE_LIBS)
325 $(CC) $(CFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS) -T $(LINKER_SCRIPT) -Wl,-Map,$@.map -o $@ $(TEST_OBJECTS) $(TEST_BINARY_LIBS) $(LIBARGS) $(BASE_LIBS)
326endif
327
328ifneq ($(LIBRARY),)
329tag: $(LIBRARY).a
330
331$(LIBRARY).a: $(OBJECTS)
332 $(AR) rc $@ $(OBJECTS)
333endif
334
335ifneq ($(SLIBRARY),)
336tag: $(SLIBRARY)
337
338$(LIBRARY).la: $(LOBJECTS)
339 $(AR) rc $@ $(LOBJECTS)
340
341$(SLIBRARY): $(LIB_LINKER_SCRIPT) $(LIBRARY).la
342 $(CC) $(CFLAGS) $(LIB_LDFLAGS) $(EXTRA_LDFLAGS) -T $(LIB_LINKER_SCRIPT) -Wl,-Map,$@.map -o $@ -Wl,--whole-archive $(LIBRARY).la -Wl,--no-whole-archive
343
344$(LSONAME):
345 ln -s $(SLIBRARY) $@
346endif
347
348%.o: %.S | depend
349 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
350
351%.o: %.s | depend
352 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
353
354%.o: %.c | depend
355 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS)
356
357%.o: %.cpp | depend
358 $(CPP) $(CPPFLAGS) $(EXTRA_CPPFLAGS) -c $< -o $@
359
360%.test.o: %.c | depend
361 $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(TEST_CFLAGS)
362
363%.lo: %.S | depend
364 $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
365
366%.lo: %.s | depend
367 $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
368
369%.lo: %.c | depend
370 $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS)
371
372-include $(DEPENDS)
373
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