| 1 | #
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| 2 | # Copyright (c) 2005 Martin Decky
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| 3 | # Copyright (c) 2007 Jakub Jermar
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| 4 | # All rights reserved.
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| 5 | #
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| 6 | # Redistribution and use in source and binary forms, with or without
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| 7 | # modification, are permitted provided that the following conditions
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| 8 | # are met:
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| 9 | #
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| 10 | # - Redistributions of source code must retain the above copyright
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| 11 | # notice, this list of conditions and the following disclaimer.
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| 12 | # - Redistributions in binary form must reproduce the above copyright
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| 13 | # notice, this list of conditions and the following disclaimer in the
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| 14 | # documentation and/or other materials provided with the distribution.
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| 15 | # - The name of the author may not be used to endorse or promote products
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| 16 | # derived from this software without specific prior written permission.
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| 17 | #
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| 18 | # THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | # IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | # OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | # IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | # INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | # NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | #
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| 29 |
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| 30 | # Individual makefiles set:
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| 31 | #
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| 32 | # USPACE_PREFIX (*) relative path to uspace/ directory
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| 33 | # SOURCES (*) list of source files
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| 34 | # LIBS libraries to link with
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| 35 | # DEFS compiler defines
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| 36 | # EXTRA_CFLAGS additional flags to pass to C compiler
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| 37 | # LINKER_SCRIPT linker script
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| 38 | # PRE_DEPEND targets required for dependency check
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| 39 | #
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| 40 | # BINARY (/) binary output name (like appname)
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| 41 | # LIBRARY (/) library output name (like libname)
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| 42 | #
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| 43 | # EXTRA_OUTPUT additional output targets
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| 44 | # EXTRA_CLEAN additional cleanup targets
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| 45 | #
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| 46 | # Optionally, for a binary:
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| 47 | # STATIC_NEEDED set to 'y' for init binaries, will build statically
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| 48 | # linked version
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| 49 | # STATIC_ONLY set to 'y' if binary cannot be linked dynamically
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| 50 | # (e.g. uses thread-local variables)
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| 51 | #
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| 52 | # Optionally, for a library:
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| 53 | # SOVERSION shared library version (major.minor),
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| 54 | # if missing, no shared library is built
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| 55 | #
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| 56 | # (x) required variables
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| 57 | # (/) exactly one of the variables must be defined
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| 58 | #
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| 59 |
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| 60 | ROOT_PATH = $(USPACE_PREFIX)/..
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| 61 |
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| 62 | VERSION_DEF = $(ROOT_PATH)/version
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| 63 |
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| 64 | COMMON_MAKEFILE = $(ROOT_PATH)/Makefile.common
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| 65 | COMMON_HEADER = $(ROOT_PATH)/common.h
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| 66 |
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| 67 | CONFIG_MAKEFILE = $(ROOT_PATH)/Makefile.config
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| 68 | CONFIG_HEADER = $(ROOT_PATH)/config.h
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| 69 |
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| 70 | -include $(VERSION_DEF)
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| 71 | -include $(COMMON_MAKEFILE)
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| 72 | -include $(CONFIG_MAKEFILE)
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| 73 |
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| 74 | OUTPUTS = $(EXTRA_OUTPUT)
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| 75 |
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| 76 | ifneq ($(BINARY),)
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| 77 | JOB = $(BINARY).job
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| 78 | TEST_BINARY = test-$(BINARY)
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| 79 | OUTPUTS += $(BINARY) $(BINARY).disasm
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| 80 | EXTRA_CLEAN += $(BINARY).map
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| 81 | endif
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| 82 |
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| 83 | ifneq ($(LIBRARY),)
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| 84 | JOB = $(LIBRARY).job
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| 85 | TEST_BINARY = test-$(LIBRARY)
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| 86 | OUTPUTS += $(LIBRARY).a
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| 87 | endif
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| 88 |
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| 89 | ifeq ($(CONFIG_BUILD_SHARED_LIBS),y)
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| 90 | ifneq ($(SOVERSION),)
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| 91 | SLIBRARY = $(LIBRARY).so.$(SOVERSION)
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| 92 | LSONAME = $(LIBRARY).so.$(basename $(SOVERSION))
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| 93 | OUTPUTS += $(SLIBRARY) $(SLIBRARY).disasm $(LSONAME)
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| 94 | EXTRA_CLEAN += $(LIBRARY).la $(SLIBRARY).map
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| 95 | endif
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| 96 | endif
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| 97 |
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| 98 | LIB_PREFIX = $(USPACE_PREFIX)/lib
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| 99 |
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| 100 | LIBC_PREFIX = $(LIB_PREFIX)/c
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| 101 | LIBC_INCLUDES_FLAGS = \
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| 102 | -I$(LIBC_PREFIX)/include \
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| 103 | -I$(LIBC_PREFIX)/arch/$(UARCH)/include \
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| 104 | -I$(ROOT_PATH)/abi/include
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| 105 |
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| 106 | LIBCPP_PREFIX = $(LIB_PREFIX)/cpp
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| 107 | LIBCPP_INCLUDES_FLAGS = -I$(LIBCPP_PREFIX)/include
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| 108 |
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| 109 | LIBSOFTFLOAT_PREFIX = $(LIB_PREFIX)/softfloat
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| 110 | LIBSOFTINT_PREFIX = $(LIB_PREFIX)/softint
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| 111 |
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| 112 | LIBMATH_PREFIX = $(LIB_PREFIX)/math
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| 113 | LIBMATH_INCLUDES_FLAGS = \
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| 114 | -I$(LIBMATH_PREFIX)/include \
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| 115 | -I$(LIBMATH_PREFIX)/arch/$(UARCH)/include
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| 116 |
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| 117 | LIBPOSIX_PREFIX = $(LIB_PREFIX)/posix
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| 118 | LIBDLTEST_PREFIX = $(LIB_PREFIX)/dltest
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| 119 |
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| 120 | START_FILES = $(LIBC_PREFIX)/crt0.o $(LIBC_PREFIX)/crt1.o
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| 121 |
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| 122 | AFLAGS = --fatal-warnings
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| 123 | LDFLAGS = -Wl,--fatal-warnings,--warn-common
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| 124 |
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| 125 | ifeq ($(STATIC_NEEDED),y)
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| 126 | STATIC_BUILD = y
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| 127 | else
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| 128 | ifeq ($(STATIC_ONLY),y)
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| 129 | STATIC_BUILD = y
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| 130 | else
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| 131 | ifeq ($(CONFIG_USE_SHARED_LIBS),y)
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| 132 | STATIC_BUILD = n
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| 133 | else
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| 134 | STATIC_BUILD = y
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| 135 | endif
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| 136 | endif
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| 137 | endif
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| 138 |
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| 139 | ifneq ($(STATIC_BUILD),y)
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| 140 | LINK_DYNAMIC = y
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| 141 | endif
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| 142 |
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| 143 | BASE_LIBS =
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| 144 |
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| 145 | ifneq ($(LIBRARY),libc)
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| 146 | ifeq ($(STATIC_BUILD),y)
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| 147 | BASE_LIBS += $(LIBC_PREFIX)/libc.a
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| 148 | else
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| 149 | BASE_LIBS += $(LIBC_PREFIX)/libc.so.0
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| 150 | endif
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| 151 | endif
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| 152 |
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| 153 | BASE_LIBS += $(LIBSOFTFLOAT_PREFIX)/libsoftfloat.a $(LIBSOFTINT_PREFIX)/libsoftint.a
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| 154 |
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| 155 | ifeq ($(LINK_DYNAMIC),y)
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| 156 | LINKER_SCRIPT ?= $(LIBC_PREFIX)/arch/$(UARCH)/_link-dlexe.ld
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| 157 | else
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| 158 | LDFLAGS += -static
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| 159 | LINKER_SCRIPT ?= $(LIBC_PREFIX)/arch/$(UARCH)/_link.ld
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| 160 | endif
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| 161 |
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| 162 | LIB_LINKER_SCRIPT = $(LIBC_PREFIX)/arch/$(UARCH)/_link-shlib.ld
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| 163 |
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| 164 | INCLUDES_FLAGS = $(LIBC_INCLUDES_FLAGS)
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| 165 |
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| 166 | ifneq ($(LIBRARY),)
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| 167 | INCLUDES_FLAGS += -Iinclude -I.
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| 168 | endif
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| 169 |
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| 170 | INCLUDES_FLAGS += $(foreach lib,$(LIBS), -I$(LIB_PREFIX)/$(lib) -I$(LIB_PREFIX)/$(lib)/include)
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| 171 |
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| 172 | # TODO: get rid of this special case
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| 173 | ifneq ($(filter math, $(LIBS)),)
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| 174 | INCLUDES_FLAGS += $(LIBMATH_INCLUDES_FLAGS)
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| 175 | endif
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| 176 |
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| 177 | # PCUT-based unit tests
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| 178 | ifneq ($(TEST_SOURCES),)
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| 179 | TEST_OUTPUTS = $(TEST_BINARY) $(TEST_BINARY).disasm
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| 180 | TEST_CFLAGS = -I$(LIB_PREFIX)/pcut/include -D__helenos__ $(EXTRA_TEST_CFLAGS)
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| 181 | TEST_BINARY_LIBS = $(LIB_PREFIX)/pcut/libpcut.a
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| 182 | EXTRA_CLEAN += $(TEST_OUTPUTS) $(TEST_BINARY).map
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| 183 | ifneq ($(LIBRARY),)
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| 184 | TEST_BINARY_LIBS += $(LIBRARY).a
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| 185 | endif
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| 186 | TEST_BINARY_LIBS += $(TEST_LIBS)
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| 187 | endif
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| 188 |
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| 189 | # Flags that are not necessary, and can be overriden, but are used by default.
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| 190 | DEFAULT_CFLAGS = \
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| 191 | -O$(OPTIMIZATION) \
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| 192 | -ffunction-sections \
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| 193 | -pipe \
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| 194 | -Wall \
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| 195 | -Wextra \
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| 196 | -Wno-unused-parameter \
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| 197 | -Wmissing-prototypes \
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| 198 | -Wwrite-strings \
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| 199 | -Werror-implicit-function-declaration
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| 200 |
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| 201 | ifeq ($(CONFIG_DEBUG),y)
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| 202 | DEFAULT_CFLAGS += -Werror
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| 203 | endif
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| 204 |
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| 205 | ifeq ($(CONFIG_UBSAN),y)
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| 206 | DEFAULT_CFLAGS += -fsanitize=undefined
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| 207 | endif
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| 208 |
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| 209 | ifeq ($(COMPILER),clang)
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| 210 | DEFAULT_CFLAGS += \
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| 211 | -Wno-missing-field-initializers \
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| 212 | -Wno-typedef-redefinition \
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| 213 | -Wno-unused-command-line-argument
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| 214 | else
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| 215 | DEFAULT_CFLAGS += \
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| 216 | -Wno-clobbered
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| 217 | endif
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| 218 |
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| 219 | ifeq ($(CONFIG_LINE_DEBUG),y)
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| 220 | DEFAULT_CFLAGS += -ggdb
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| 221 | endif
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| 222 |
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| 223 | # Flags that should always be used, even for third-party software.
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| 224 | COMMON_CPPFLAGS = \
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| 225 | -nostdinc \
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| 226 | -D__$(ENDIANESS)__
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| 227 |
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| 228 | COMMON_CFLAGS = \
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| 229 | -ffreestanding \
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| 230 | -nostdlib
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| 231 |
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| 232 | # Flags that are always used for HelenOS code, but not for third-party.
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| 233 | HELENOS_CFLAGS = \
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| 234 | -std=gnu99 \
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| 235 | $(INCLUDES_FLAGS) \
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| 236 | -imacros $(CONFIG_HEADER) \
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| 237 | -D_HELENOS_SOURCE \
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| 238 | -fexec-charset=UTF-8 \
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| 239 | -finput-charset=UTF-8 \
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| 240 | -fno-common \
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| 241 | -fdebug-prefix-map=$(realpath $(ROOT_PATH))=.
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| 242 |
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| 243 | # TODO: Use a different name.
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| 244 | # CFLAGS variable is traditionally used for overridable flags.
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| 245 | CFLAGS = $(COMMON_CPPFLAGS) $(COMMON_CFLAGS) $(HELENOS_CFLAGS) $(DEFAULT_CFLAGS)
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| 246 |
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| 247 | # Flags for the compilation of C++ code.
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| 248 | CXX_BASE_LIBS = $(LIBCPP_PREFIX)/libcpp.a $(BASE_LIBS)
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| 249 | DEFAULT_CXXFLAGS = \
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| 250 | -O$(OPTIMIZATION) \
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| 251 | -ffunction-sections \
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| 252 | -pipe \
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| 253 | -Wall \
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| 254 | -Wextra \
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| 255 | -Wno-unused-parameter \
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| 256 | -Wwrite-strings \
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| 257 | -Werror-implicit-function-declaration
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| 258 |
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| 259 | COMMON_CXXFLAGS = $(COMMON_CFLAGS)
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| 260 | HELENOS_CXXFLAGS = \
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| 261 | -std=c++17 -frtti \
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| 262 | $(LIBCPP_INCLUDES_FLAGS) $(INCLUDES_FLAGS) \
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| 263 | -imacros $(CONFIG_HEADER) \
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| 264 | -D_HELENOS_SOURCE \
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| 265 | -fexec-charset=UTF-8 \
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| 266 | -finput-charset=UTF-8 \
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| 267 | -fno-common \
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| 268 | -fdebug-prefix-map=$(realpath $(ROOT_PATH))=.
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| 269 |
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| 270 | CXXFLAGS = $(COMMON_CPPFLAGS) $(COMMON_CXXFLAGS) $(HELENOS_CXXFLAGS) $(DEFAULT_CXXFLAGS)
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| 271 |
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| 272 | ## Setup platform configuration
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| 273 | #
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| 274 |
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| 275 | -include $(LIBC_PREFIX)/arch/$(UARCH)/Makefile.common
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| 276 |
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| 277 | ## Compilation options
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| 278 | #
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| 279 |
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| 280 | ifeq ($(PRECHECK),y)
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| 281 | JOBFILE = $(LIBC_PREFIX)/../../../tools/jobfile.py
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| 282 | # XXX: Do not change the order of arguments.
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| 283 | CC_JOB = $(JOBFILE) $(JOB) $(CC) $< -o $@
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| 284 | CXX_JOB = $(JOBFILE) $(JOB) $(CXX) $< -o $@
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| 285 | else
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| 286 | CC_JOB = $(CC) $< -o $@
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| 287 | CXX_JOB = $(CXX) $< -o $@
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| 288 | endif
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| 289 |
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| 290 | ifeq ($(CONFIG_STRIP_BINARIES),y)
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| 291 | LDFLAGS += -s
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| 292 | endif
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| 293 |
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| 294 | LIB_CFLAGS = $(CFLAGS) -fPIC
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| 295 | LIB_LDFLAGS = $(LDFLAGS) -shared -Wl,-soname,$(LSONAME) -Wl,--no-undefined,--no-allow-shlib-undefined
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| 296 |
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| 297 | AS_CFLAGS := $(addprefix -Xassembler ,$(AFLAGS))
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| 298 |
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| 299 | OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))
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| 300 | LOBJECTS := $(addsuffix .lo,$(basename $(SOURCES)))
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| 301 | TEST_OBJECTS := $(addsuffix .test.o,$(basename $(TEST_SOURCES)))
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| 302 | DEPENDS := $(addsuffix .d,$(basename $(SOURCES))) $(addsuffix .test.d,$(basename $(TEST_SOURCES)))
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| 303 |
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| 304 | LIBTAGS := $(foreach lib,$(LIBS), $(USPACE_PREFIX)/lib/$(lib)/tag)
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| 305 | LIBARGS := $(addprefix -L$(USPACE_PREFIX)/lib/, $(LIBS)) $(addprefix -l, $(LIBS))
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| 306 |
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| 307 | .PHONY: all all-test clean fasterclean depend
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| 308 |
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| 309 | all: tag $(OUTPUTS)
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| 310 |
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| 311 | all-test: $(TEST_OUTPUTS)
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| 312 |
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| 313 | clean: fasterclean
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| 314 | find . -name '*.o' -follow -exec rm \{\} \;
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| 315 | find . -name '*.lo' -follow -exec rm \{\} \;
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| 316 | find . -name '*.d' -follow -exec rm \{\} \;
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| 317 |
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| 318 | fasterclean:
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| 319 | rm -rf $(JOB) $(OUTPUTS) $(EXTRA_CLEAN) tag deps.mk
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| 320 |
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| 321 | depend: $(PRE_DEPEND)
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| 322 |
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| 323 | # "Tag" files are used to force relink of binaries when dependencies get rebuilt,
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| 324 | # regardless of whether the dependency was linked statically or dynamically,
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| 325 | # or which version of a dynamic library was used. Prerequisites for this file
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| 326 | # are defined further down.
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| 327 | tag:
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| 328 | touch tag
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| 329 |
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| 330 | # Generate inter-module make dependencies.
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| 331 | # This is needed to ensure correct build order of libraries and code depending on them.
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| 332 | deps.mk: Makefile
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| 333 | echo > $@.new
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| 334 | for lib in $(LIBS); do \
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| 335 | echo "$(SELF_TARGET): lib/$$lib.build" >> $@.new; \
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| 336 | done
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| 337 | mv -f $@.new $@
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| 338 |
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| 339 | %.disasm: %
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| 340 | ifeq ($(CONFIG_LINE_DEBUG),y)
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| 341 | $(OBJDUMP) -d -S $< > $@
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| 342 | else
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| 343 | $(OBJDUMP) -d $< > $@
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| 344 | endif
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| 345 |
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| 346 | ifneq ($(BINARY),)
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| 347 |
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| 348 | ifneq ($(filter %.cpp %.cc %.cxx, $(SOURCES)),)
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| 349 | $(BINARY): $(LINKER_SCRIPT) $(OBJECTS) $(LIBTAGS)
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| 350 | $(CXX) $(CXXFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS) -T $(LINKER_SCRIPT) -Wl,-Map,$@.map -o $@ $(START_FILES) $(OBJECTS) $(LIBARGS) $(CXX_BASE_LIBS)
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| 351 | else
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| 352 | $(BINARY): $(LINKER_SCRIPT) $(OBJECTS) $(LIBTAGS)
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| 353 | $(CC) $(CFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS) -T $(LINKER_SCRIPT) -Wl,-Map,$@.map -o $@ $(START_FILES) $(OBJECTS) $(LIBARGS) $(BASE_LIBS)
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| 354 | endif
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| 355 |
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| 356 | endif
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| 357 |
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| 358 | ifneq ($(TEST_BINARY),)
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| 359 | $(TEST_BINARY): $(LINKER_SCRIPT) $(TEST_OBJECTS) $(TEST_BINARY_LIBS) $(LIBTAGS)
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| 360 | $(CC) $(CFLAGS) $(LDFLAGS) $(EXTRA_LDFLAGS) -T $(LINKER_SCRIPT) -Wl,-Map,$@.map -o $@ $(START_FILES) $(TEST_OBJECTS) $(TEST_BINARY_LIBS) $(LIBARGS) $(BASE_LIBS)
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| 361 | endif
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| 362 |
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| 363 | ifneq ($(LIBRARY),)
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| 364 | tag: $(LIBRARY).a
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| 365 |
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| 366 | $(LIBRARY).a: $(OBJECTS)
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| 367 | $(AR) rc $@ $(OBJECTS)
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| 368 | endif
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| 369 |
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| 370 | ifneq ($(SLIBRARY),)
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| 371 | tag: $(SLIBRARY)
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| 372 |
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| 373 | $(LIBRARY).la: $(LOBJECTS)
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| 374 | $(AR) rc $@ $(LOBJECTS)
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| 375 |
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| 376 | $(SLIBRARY): $(LIB_LINKER_SCRIPT) $(LIBRARY).la
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| 377 | $(CC) $(CFLAGS) $(LIB_LDFLAGS) $(EXTRA_LDFLAGS) -T $(LIB_LINKER_SCRIPT) -Wl,-Map,$@.map -o $@ -Wl,--whole-archive $(LIBRARY).la -Wl,--no-whole-archive $(LIBARGS) $(BASE_LIBS)
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| 378 |
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| 379 | $(LSONAME):
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| 380 | ln -s $(SLIBRARY) $@
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| 381 | endif
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| 382 |
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| 383 | %.o: %.S | depend
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| 384 | $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
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| 385 |
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| 386 | %.o: %.s | depend
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| 387 | $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
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| 388 |
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| 389 | %.o: %.c | depend
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| 390 | $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS)
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| 391 |
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| 392 | %.o: %.cpp | depend
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| 393 | $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
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| 394 |
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| 395 | %.o: %.cxx | depend
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| 396 | $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
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| 397 |
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| 398 | %.o: %.cc | depend
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| 399 | $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
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| 400 |
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| 401 | %.test.o: %.c | depend
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| 402 | $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(TEST_CFLAGS)
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| 403 |
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| 404 | %.lo: %.S | depend
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| 405 | $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
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| 406 |
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| 407 | %.lo: %.s | depend
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| 408 | $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS)
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| 409 |
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| 410 | %.lo: %.c | depend
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| 411 | $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS)
|
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| 412 |
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| 413 | %.lo: %.cpp | depend
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| 414 | $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
|
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| 415 |
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| 416 | %.lo: %.cxx | depend
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| 417 | $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
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| 418 |
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| 419 | %.lo: %.cc | depend
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| 420 | $(CXX_JOB) -c -MD -MP $(DEFS) $(CXXFLAGS) $(EXTRA_CXXFLAGS)
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| 421 |
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| 422 | -include $(DEPENDS)
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| 423 |
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