| 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 | COMMON_MAKEFILE = $(ROOT_PATH)/Makefile.common
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| 63 | COMMON_HEADER = $(ROOT_PATH)/common.h
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| 64 |
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| 65 | CONFIG_MAKEFILE = $(ROOT_PATH)/Makefile.config
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| 66 | CONFIG_HEADER = $(ROOT_PATH)/config.h
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| 67 |
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| 68 | -include $(COMMON_MAKEFILE)
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| 69 | -include $(CONFIG_MAKEFILE)
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| 70 |
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| 71 | OUTPUTS = $(EXTRA_OUTPUT)
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| 72 |
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| 73 | ifneq ($(BINARY),)
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| 74 | JOB = $(BINARY).job
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| 75 | TEST_BINARY = test-$(BINARY)
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| 76 | OUTPUTS += $(BINARY) $(BINARY).disasm
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| 77 | EXTRA_CLEAN += $(BINARY).map
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| 78 | endif
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| 79 |
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| 80 | ifneq ($(LIBRARY),)
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| 81 | JOB = $(LIBRARY).job
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| 82 | TEST_BINARY = test-$(LIBRARY)
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| 83 | OUTPUTS += $(LIBRARY).a
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| 84 | endif
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| 85 |
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| 86 | ifeq ($(CONFIG_BUILD_SHARED_LIBS),y)
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| 87 | ifneq ($(SOVERSION),)
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| 88 | SLIBRARY = $(LIBRARY).so.$(SOVERSION)
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| 89 | LSONAME = $(LIBRARY).so.$(basename $(SOVERSION))
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| 90 | OUTPUTS += $(SLIBRARY) $(SLIBRARY).disasm $(LSONAME)
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| 91 | EXTRA_CLEAN += $(LIBRARY).la $(SLIBRARY).map
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| 92 | endif
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| 93 | endif
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| 94 |
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| 95 | LIB_PREFIX = $(USPACE_PREFIX)/lib
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| 96 |
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| 97 | LIBC_PREFIX = $(LIB_PREFIX)/c
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| 98 | LIBC_INCLUDES_FLAGS = \
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| 99 | -I$(LIBC_PREFIX)/include \
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| 100 | -I$(LIBC_PREFIX)/arch/$(UARCH)/include \
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| 101 | -I$(ROOT_PATH)/abi/include
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| 102 | LIBSOFTFLOAT_PREFIX = $(LIB_PREFIX)/softfloat
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| 103 | LIBSOFTINT_PREFIX = $(LIB_PREFIX)/softint
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| 104 |
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| 105 | LIBMATH_PREFIX = $(LIB_PREFIX)/math
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| 106 | LIBMATH_INCLUDES_FLAGS = \
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| 107 | -I$(LIBMATH_PREFIX)/include \
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| 108 | -I$(LIBMATH_PREFIX)/arch/$(UARCH)/include
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| 109 |
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| 110 | LIBPOSIX_PREFIX = $(LIB_PREFIX)/posix
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| 111 | LIBDLTEST_PREFIX = $(LIB_PREFIX)/dltest
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| 112 |
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| 113 | AFLAGS =
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| 114 | LFLAGS = --fatal-warnings --warn-common
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| 115 |
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| 116 | # FIXME: This condition is a workaround for issues #692 and #693.
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| 117 | ifneq ($(KARCH),ia64)
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| 118 | ifneq ($(KARCH),mips32)
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| 119 | AFLAGS += --fatal-warnings
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| 120 | endif
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| 121 | endif
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| 122 |
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| 123 | ifeq ($(STATIC_NEEDED),y)
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| 124 | STATIC_BUILD = y
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| 125 | else
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| 126 | ifeq ($(STATIC_ONLY),y)
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| 127 | STATIC_BUILD = y
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| 128 | else
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| 129 | ifeq ($(CONFIG_USE_SHARED_LIBS),y)
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| 130 | STATIC_BUILD = n
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| 131 | else
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| 132 | STATIC_BUILD = y
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| 133 | endif
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| 134 | endif
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| 135 | endif
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| 136 |
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| 137 | ifeq ($(STATIC_BUILD),y)
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| 138 | BASE_LIBS = $(LIBC_PREFIX)/libc.a
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| 139 | else
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| 140 | BASE_LIBS = $(LIBC_PREFIX)/libc.so.0
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| 141 | LINK_DYNAMIC = y
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| 142 | endif
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| 143 |
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| 144 | BASE_LIBS += $(LIBSOFTFLOAT_PREFIX)/libsoftfloat.a $(LIBSOFTINT_PREFIX)/libsoftint.a
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| 145 |
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| 146 | ifeq ($(LINK_DYNAMIC),y)
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| 147 | LFLAGS += -Bdynamic
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| 148 | LINKER_SCRIPT ?= $(LIBC_PREFIX)/arch/$(UARCH)/_link-dlexe.ld
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| 149 | else
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| 150 | LINKER_SCRIPT ?= $(LIBC_PREFIX)/arch/$(UARCH)/_link.ld
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| 151 | endif
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| 152 |
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| 153 | LIB_LINKER_SCRIPT = $(LIBC_PREFIX)/arch/$(UARCH)/_link-shlib.ld
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| 154 |
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| 155 | INCLUDES_FLAGS = $(LIBC_INCLUDES_FLAGS)
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| 156 |
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| 157 | ifneq ($(LIBRARY),)
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| 158 | INCLUDES_FLAGS += -Iinclude -I.
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| 159 | endif
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| 160 |
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| 161 | INCLUDES_FLAGS += $(foreach lib,$(LIBS), -I$(LIB_PREFIX)/$(lib) -I$(LIB_PREFIX)/$(lib)/include)
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| 162 |
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| 163 | # TODO: get rid of this special case
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| 164 | ifneq ($(filter math, $(LIBS)),)
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| 165 | INCLUDES_FLAGS += $(LIBMATH_INCLUDES_FLAGS)
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| 166 | endif
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| 167 |
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| 168 | # PCUT-based unit tests
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| 169 | ifneq ($(TEST_SOURCES),)
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| 170 | TEST_OUTPUTS = $(TEST_BINARY) $(TEST_BINARY).disasm
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| 171 | TEST_CFLAGS = -I$(LIB_PREFIX)/pcut/include -D__helenos__
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| 172 | TEST_BINARY_LIBS = $(LIB_PREFIX)/pcut/libpcut.a
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| 173 | EXTRA_CLEAN += $(TEST_OUTPUTS) $(TEST_BINARY).map
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| 174 | ifneq ($(LIBRARY),)
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| 175 | TEST_BINARY_LIBS += $(LIBRARY).a
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| 176 | endif
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| 177 | TEST_BINARY_LIBS += $(TEST_LIBS)
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| 178 | endif
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| 179 |
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| 180 | COMMON_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
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| 181 | -ffreestanding -fno-builtin -nostdlib -nostdinc -fexec-charset=UTF-8 \
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| 182 | -finput-charset=UTF-8 -D__$(ENDIANESS)__ -fno-common \
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| 183 | -fdebug-prefix-map=$(realpath $(ROOT_PATH))=.
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| 184 |
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| 185 | GCC_CFLAGS = -ffunction-sections -Wall -Wextra -Wno-clobbered \
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| 186 | -Wno-unused-parameter -Wmissing-prototypes -std=gnu99 \
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| 187 | -Werror-implicit-function-declaration \
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| 188 | -Wwrite-strings -pipe
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| 189 |
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| 190 | # -Wno-missing-prototypes is there because it warns about main().
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| 191 | # This should be fixed elsewhere.
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| 192 | CLANG_CFLAGS = -Wall -Wextra -Wno-unused-parameter -Wno-missing-field-initializers -Wno-typedef-redefinition \
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| 193 | -Wno-missing-prototypes -Wno-unused-command-line-argument \
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| 194 | -std=gnu99 -Werror-implicit-function-declaration -Wwrite-strings \
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| 195 | -pipe -fno-stack-protector -fno-PIC
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| 196 |
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| 197 | ifeq ($(CONFIG_DEBUG),y)
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| 198 | COMMON_CFLAGS += -Werror
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| 199 | endif
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| 200 |
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| 201 | ifeq ($(CONFIG_LINE_DEBUG),y)
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| 202 | GCC_CFLAGS += -ggdb
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| 203 | CLANG_CFLAGS += -g
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| 204 | endif
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| 205 |
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| 206 | ## Setup platform configuration
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| 207 | #
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| 208 |
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| 209 | -include $(LIBC_PREFIX)/arch/$(UARCH)/Makefile.common
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| 210 |
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| 211 | ## Compilation options
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| 212 | #
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| 213 |
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| 214 | ifeq ($(PRECHECK),y)
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| 215 | JOBFILE = $(LIBC_PREFIX)/../../../tools/jobfile.py
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| 216 | # XXX: Do not change the order of arguments.
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| 217 | CC_JOB = $(JOBFILE) $(JOB) $(CC) $< -o $@
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| 218 | else
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| 219 | CC_JOB = $(CC) $< -o $@
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| 220 | endif
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| 221 |
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| 222 | ifeq ($(COMPILER),clang)
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| 223 | CFLAGS += $(COMMON_CFLAGS) $(CLANG_CFLAGS)
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| 224 | else
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| 225 | CFLAGS += $(COMMON_CFLAGS) $(GCC_CFLAGS)
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| 226 | endif
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| 227 |
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| 228 | ifeq ($(CONFIG_STRIP_BINARIES),y)
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| 229 | LFLAGS += --strip-all
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| 230 | endif
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| 231 |
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| 232 | LIB_CFLAGS = $(CFLAGS) -fPIC
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| 233 | LIB_LFLAGS = $(LFLAGS) -shared -soname $(LSONAME)
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| 234 |
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| 235 | AS_CFLAGS := $(addprefix -Xassembler ,$(AFLAGS))
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| 236 | LD_CFLAGS := $(addprefix -Xlinker ,$(LFLAGS))
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| 237 |
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| 238 | OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))
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| 239 | LOBJECTS := $(addsuffix .lo,$(basename $(SOURCES)))
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| 240 | TEST_OBJECTS := $(addsuffix .test.o,$(basename $(TEST_SOURCES)))
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| 241 | DEPENDS := $(addsuffix .d,$(basename $(SOURCES))) $(addsuffix .test.d,$(basename $(TEST_SOURCES)))
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| 242 |
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| 243 | LIBTAGS := $(foreach lib,$(LIBS), $(USPACE_PREFIX)/lib/$(lib)/tag)
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| 244 | LIBARGS := $(addprefix -L$(USPACE_PREFIX)/lib/, $(LIBS)) $(addprefix -l, $(LIBS))
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| 245 |
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| 246 | .PHONY: all all-test clean fasterclean depend
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| 247 |
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| 248 | all: tag $(OUTPUTS)
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| 249 |
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| 250 | all-test: $(TEST_OUTPUTS)
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| 251 |
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| 252 | clean:
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| 253 | rm -f $(JOB) $(OUTPUTS) $(EXTRA_CLEAN) tag deps.mk
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| 254 | find . -name '*.o' -follow -exec rm \{\} \;
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| 255 | find . -name '*.lo' -follow -exec rm \{\} \;
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| 256 | find . -name '*.d' -follow -exec rm \{\} \;
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| 257 |
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| 258 | fasterclean:
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| 259 | rm -f $(JOB) $(OUTPUTS) $(EXTRA_CLEAN) tag deps.mk
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| 260 |
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| 261 | depend: $(PRE_DEPEND)
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| 262 |
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| 263 | # "Tag" files are used to force relink of binaries when dependencies get rebuilt,
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| 264 | # regardless of whether the dependency was linked statically or dynamically,
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| 265 | # or which version of a dynamic library was used. Prerequisites for this file
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| 266 | # are defined further down.
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| 267 | tag:
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| 268 | touch tag
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| 269 |
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| 270 | # Generate inter-module make dependencies.
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| 271 | # This is needed to ensure correct build order of libraries and code depending on them.
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| 272 | deps.mk: Makefile
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| 273 | echo > $@.new
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| 274 | for lib in $(LIBS); do \
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| 275 | echo "$(SELF_TARGET): lib/$$lib.build" >> $@.new; \
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| 276 | done
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| 277 | mv -f $@.new $@
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| 278 |
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| 279 | %.disasm: %
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| 280 | ifeq ($(CONFIG_LINE_DEBUG),y)
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| 281 | $(OBJDUMP) -d -S $< > $@
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| 282 | else
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| 283 | $(OBJDUMP) -d $< > $@
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| 284 | endif
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| 285 |
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| 286 | ifneq ($(BINARY),)
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| 287 | $(BINARY): $(LINKER_SCRIPT) $(OBJECTS) $(LIBTAGS) $(BASE_LIBS)
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| 288 | $(LD) $(LFLAGS) -T $(LINKER_SCRIPT) -Map $@.map -o $@ $(OBJECTS) $(LIBARGS) $(BASE_LIBS)
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| 289 | endif
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| 290 |
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| 291 | ifneq ($(TEST_BINARY),)
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| 292 | $(TEST_BINARY): $(LINKER_SCRIPT) $(TEST_OBJECTS) $(TEST_BINARY_LIBS) $(LIBTAGS) $(BASE_LIBS)
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| 293 | $(LD) $(LFLAGS) -T $(LINKER_SCRIPT) -Map $@.map -o $@ $(TEST_OBJECTS) $(TEST_BINARY_LIBS) $(LIBARGS) $(BASE_LIBS)
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| 294 | endif
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| 295 |
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| 296 | ifneq ($(LIBRARY),)
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| 297 | tag: $(LIBRARY).a
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| 298 |
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| 299 | $(LIBRARY).a: $(OBJECTS)
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| 300 | $(AR) rc $@ $(OBJECTS)
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| 301 | endif
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| 302 |
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| 303 | ifneq ($(SLIBRARY),)
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| 304 | tag: $(SLIBRARY)
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| 305 |
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| 306 | $(LIBRARY).la: $(LOBJECTS)
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| 307 | $(AR) rc $@ $(LOBJECTS)
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| 308 |
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| 309 | $(SLIBRARY): $(LIB_LINKER_SCRIPT) $(LIBRARY).la
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| 310 | $(LD) $(LIB_LFLAGS) -T $(LIB_LINKER_SCRIPT) -Map $@.map -o $@ --whole-archive $(LIBRARY).la --no-whole-archive
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| 311 |
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| 312 | $(LSONAME):
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| 313 | ln -s $(SLIBRARY) $@
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| 314 | endif
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| 315 |
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| 316 | %.o: %.S | depend
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| 317 | $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS) -D__ASM__
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| 318 |
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| 319 | %.o: %.s | depend
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| 320 | $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS) -D__ASM__
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| 321 |
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| 322 | %.o: %.c | depend
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| 323 | $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS)
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| 324 |
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| 325 | %.test.o: %.c | depend
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| 326 | $(CC_JOB) -c -MD -MP $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(TEST_CFLAGS)
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| 327 |
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| 328 | %.lo: %.S | depend
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| 329 | $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS) -D__ASM__
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| 330 |
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| 331 | %.lo: %.s | depend
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| 332 | $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) $(AS_CFLAGS) -D__ASM__
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| 333 |
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| 334 | %.lo: %.c | depend
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| 335 | $(CC_JOB) -c -MD -MP $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS)
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| 336 |
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| 337 | -include $(DEPENDS)
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| 338 |
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