| 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 | # MATH set to 'y' to use the math library
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| 47 | # POSIX_COMPAT set to 'y' to use POSIX compatibility layer
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| 48 | #
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| 49 | # Optionally, for a binary:
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| 50 | # STATIC_NEEDED set to 'y' for init binaries, will build statically
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| 51 | # linked version
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| 52 | # STATIC_ONLY set to 'y' if binary cannot be linked dynamically
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| 53 | # (e.g. uses thread-local variables)
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| 54 | #
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| 55 | # Optionally, for a libary:
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| 56 | # SLIBRARY Name with full version, e.g. libfoo.so.0.0
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| 57 | # LSONAME Soname / name with short version, e.g. libfoo.so.0
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| 58 | #
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| 59 | # (x) required variables
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| 60 | # (/) exactly one of the variables must be defined
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| 61 | #
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| 62 |
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| 63 | ROOT_PATH = $(USPACE_PREFIX)/..
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| 64 |
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| 65 | VERSION_DEF = $(ROOT_PATH)/version
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| 66 |
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| 67 | COMMON_MAKEFILE = $(ROOT_PATH)/Makefile.common
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| 68 | COMMON_HEADER = $(ROOT_PATH)/common.h
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| 69 |
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| 70 | CONFIG_MAKEFILE = $(ROOT_PATH)/Makefile.config
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| 71 | CONFIG_HEADER = $(ROOT_PATH)/config.h
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| 72 |
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| 73 | -include $(VERSION_DEF)
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| 74 | -include $(COMMON_MAKEFILE)
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| 75 | -include $(CONFIG_MAKEFILE)
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| 76 |
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| 77 | ifneq ($(BINARY),)
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| 78 | JOB = $(BINARY).job
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| 79 | OUTPUT = $(BINARY)
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| 80 | TEST_BINARY = test-$(BINARY)
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| 81 | EXTRA_OUTPUT += $(BINARY).disasm
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| 82 | EXTRA_CLEAN += $(BINARY).map
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| 83 | endif
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| 84 |
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| 85 | ifneq ($(LIBRARY),)
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| 86 | JOB = $(LIBRARY).job
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| 87 | OUTPUT = $(LIBRARY).a
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| 88 | TEST_BINARY = test-$(LIBRARY)
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| 89 | endif
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| 90 |
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| 91 | ifeq ($(CONFIG_BUILD_SHARED_LIBS),y)
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| 92 | ifneq ($(SLIBRARY),)
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| 93 | LARCHIVE = $(LIBRARY).la
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| 94 | LOUTPUT = $(SLIBRARY)
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| 95 | EXTRA_OUTPUT += $(LOUTPUT).disasm $(LIBRARY).so $(LSONAME)
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| 96 | EXTRA_CLEAN += $(LOUTPUT).map $(LOUTPUT).ldisasm \
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| 97 | $(LIBC_PREFIX)/shared/arch/$(UARCH)/_lib.ld \
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| 98 | $(LIBRARY).so $(LSONAME)
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| 99 | endif
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| 100 | endif
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| 101 |
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| 102 | DEPEND = Makefile.depend
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| 103 | DEPEND_PREV = $(DEPEND).prev
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| 104 |
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| 105 | LIB_PREFIX = $(USPACE_PREFIX)/lib
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| 106 |
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| 107 | LIBC_PREFIX = $(LIB_PREFIX)/c
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| 108 | LIBC_INCLUDES_FLAGS = \
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| 109 | -I$(LIBC_PREFIX)/include \
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| 110 | -I$(LIBC_PREFIX)/arch/$(UARCH)/include \
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| 111 | -I$(ROOT_PATH)/abi/include
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| 112 | LIBSOFTFLOAT_PREFIX = $(LIB_PREFIX)/softfloat
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| 113 | LIBSOFTINT_PREFIX = $(LIB_PREFIX)/softint
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| 114 |
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| 115 | LIBMATH_PREFIX = $(LIB_PREFIX)/math
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| 116 | LIBMATH_INCLUDES_FLAGS = \
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| 117 | -I$(LIBMATH_PREFIX)/include \
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| 118 | -I$(LIBMATH_PREFIX)/arch/$(UARCH)/include
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| 119 |
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| 120 | LIBPOSIX_PREFIX = $(LIB_PREFIX)/posix
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| 121 |
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| 122 | LIBBLOCK_PREFIX = $(LIB_PREFIX)/block
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| 123 | LIBFS_PREFIX = $(LIB_PREFIX)/fs
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| 124 | LIBCLUI_PREFIX = $(LIB_PREFIX)/clui
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| 125 | LIBFMTUTIL_PREFIX = $(LIB_PREFIX)/fmtutil
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| 126 |
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| 127 | LIBGRAPH_PREFIX = $(LIB_PREFIX)/graph
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| 128 | LIBSOFTREND_PREFIX = $(LIB_PREFIX)/softrend
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| 129 | LIBDRAW_PREFIX = $(LIB_PREFIX)/draw
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| 130 | LIBGUI_PREFIX = $(LIB_PREFIX)/gui
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| 131 |
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| 132 | LIBEXT4_PREFIX = $(LIB_PREFIX)/ext4
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| 133 |
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| 134 | LIBUSB_PREFIX = $(LIB_PREFIX)/usb
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| 135 | LIBUSBHOST_PREFIX = $(LIB_PREFIX)/usbhost
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| 136 | LIBUSBDEV_PREFIX = $(LIB_PREFIX)/usbdev
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| 137 | LIBUSBHID_PREFIX = $(LIB_PREFIX)/usbhid
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| 138 | LIBUSBVIRT_PREFIX = $(LIB_PREFIX)/usbvirt
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| 139 |
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| 140 | LIBDRV_PREFIX = $(LIB_PREFIX)/drv
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| 141 | LIBHOUND_PREFIX = $(LIB_PREFIX)/hound
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| 142 | LIBPCM_PREFIX = $(LIB_PREFIX)/pcm
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| 143 | LIBNIC_PREFIX = $(LIB_PREFIX)/nic
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| 144 | LIBMINIX_PREFIX = $(LIB_PREFIX)/minix
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| 145 | LIBCOMPRESS_PREFIX = $(LIB_PREFIX)/compress
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| 146 |
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| 147 | LIBSCSI_PREFIX = $(LIB_PREFIX)/scsi
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| 148 | LIBTRACKMOD_PREFIX = $(LIB_PREFIX)/trackmod
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| 149 |
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| 150 | LIBBITHENGE_PREFIX = $(LIB_PREFIX)/bithenge
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| 151 |
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| 152 | LIBHTTP_PREFIX = $(LIB_PREFIX)/http
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| 153 | LIBURI_PREFIX = $(LIB_PREFIX)/uri
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| 154 |
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| 155 | LIBMBR_PREFIX = $(LIB_PREFIX)/mbr
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| 156 | LIBGPT_PREFIX = $(LIB_PREFIX)/gpt
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| 157 |
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| 158 | LIBURCU_PREFIX = $(LIB_PREFIX)/urcu
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| 159 |
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| 160 | ifeq ($(STATIC_NEEDED),y)
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| 161 | STATIC_BUILD = y
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| 162 | else
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| 163 | ifeq ($(STATIC_ONLY),y)
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| 164 | STATIC_BUILD = y
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| 165 | else
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| 166 | ifeq ($(CONFIG_USE_SHARED_LIBS),y)
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| 167 | STATIC_BUILD = n
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| 168 | else
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| 169 | STATIC_BUILD = y
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| 170 | endif
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| 171 | endif
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| 172 | endif
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| 173 |
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| 174 | # Build static whenever we use libusb because that library uses
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| 175 | # thread local variables
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| 176 | ifneq ($(findstring usb, $(LIBS)),)
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| 177 | STATIC_BUILD = y
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| 178 | endif
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| 179 |
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| 180 | ifeq ($(STATIC_BUILD),y)
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| 181 | BASE_LIBS = $(LIBC_PREFIX)/libc.a $(LIBSOFTINT_PREFIX)/libsoftint.a
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| 182 | LINKER_SCRIPT ?= $(LIBC_PREFIX)/arch/$(UARCH)/_link.ld
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| 183 | ifeq ($(MATH),y)
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| 184 | BASE_LIBS += $(LIBMATH_PREFIX)/libmath.a
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| 185 | endif
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| 186 | else
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| 187 | BASE_LIBS = $(LIBC_PREFIX)/libc.so0 $(LIBSOFTINT_PREFIX)/libsofti.so0
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| 188 | LFLAGS = -Bdynamic
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| 189 | LINKER_SCRIPT ?= $(LIBC_PREFIX)/arch/$(UARCH)/_link-dlexe.ld
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| 190 | ifeq ($(MATH),y)
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| 191 | BASE_LIBS += $(LIBMATH_PREFIX)/libmath.so0
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| 192 | endif
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| 193 | endif
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| 194 |
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| 195 | ifeq ($(MATH),y)
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| 196 | INCLUDES_FLAGS = $(LIBC_INCLUDES_FLAGS) $(LIBMATH_INCLUDES_FLAGS)
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| 197 | else
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| 198 | INCLUDES_FLAGS = $(LIBC_INCLUDES_FLAGS)
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| 199 | endif
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| 200 |
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| 201 | ifeq ($(CONFIG_OPTIMIZE_FOR_SIZE),y)
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| 202 | OPTIMIZATION = 0
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| 203 | else
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| 204 | OPTIMIZATION = 0
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| 205 | endif
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| 206 |
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| 207 | # PCUT-based unit tests
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| 208 | ifneq ($(TEST_SOURCES),)
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| 209 | TEST_OUTPUT = $(TEST_BINARY)
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| 210 | TEST_CFLAGS = -I$(LIB_PREFIX)/pcut/include -D__helenos__
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| 211 | TEST_OUTPUT_LIBS = $(LIB_PREFIX)/pcut/libpcut.a
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| 212 | EXTRA_CLEAN += $(TEST_OUTPUT) $(TEST_OUTPUT).map
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| 213 | ifneq ($(LIBRARY),)
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| 214 | TEST_OUTPUT_LIBS += $(OUTPUT)
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| 215 | endif
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| 216 | TEST_OUTPUT_LIBS += $(TEST_LIBS)
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| 217 | endif
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| 218 |
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| 219 | .PHONY: all clean
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| 220 |
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| 221 | all: $(VERSION_DEF) $(COMMON_MAKEFILE) $(CONFIG_MAKEFILE) $(CONFIG_HEADER) $(LIBS) $(OUTPUT) $(LOUTPUT) $(EXTRA_OUTPUT)
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| 222 | -[ -f $(DEPEND) ] && cp -a $(DEPEND) $(DEPEND_PREV)
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| 223 |
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| 224 | all-test: $(TEST_OUTPUT)
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| 225 |
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| 226 | clean:
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| 227 | rm -f $(DEPEND) $(DEPEND_PREV) $(JOB) $(OUTPUT) $(LARCHIVE) $(LOUTPUT) $(EXTRA_OUTPUT) $(EXTRA_CLEAN)
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| 228 | find . -name '*.o' -follow -exec rm \{\} \;
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| 229 | find . -name '*.lo' -follow -exec rm \{\} \;
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| 230 |
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| 231 | GCC_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
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| 232 | -fexec-charset=UTF-8 -fwide-exec-charset=UTF-32$(ENDIANESS) \
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| 233 | -finput-charset=UTF-8 -ffreestanding -fno-builtin -nostdlib -nostdinc \
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| 234 | -Wall -Wextra -Wno-clobbered -Wno-unused-parameter -Wmissing-prototypes \
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| 235 | -std=gnu99 -Werror-implicit-function-declaration -Wwrite-strings \
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| 236 | -pipe -ggdb -D__$(ENDIANESS)__
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| 237 |
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| 238 | ICC_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
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| 239 | -fexec-charset=UTF-8 -fwide-exec-charset=UTF-32$(ENDIANESS) \
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| 240 | -finput-charset=UTF-8 -ffreestanding -fno-builtin -nostdlib -nostdinc \
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| 241 | -Wall -Wextra -Wno-clobbered -Wno-unused-parameter -Wmissing-prototypes \
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| 242 | -Werror-implicit-function-declaration -Wwrite-strings \
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| 243 | -pipe -g -D__$(ENDIANESS)__
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| 244 |
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| 245 | # clang does not support following options but I am not sure whether
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| 246 | # something won't break because of that:
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| 247 | # -fexec-charset=UTF-8 -fwide-exec-charset=UTF-32$(ENDIANESS) -finput-charset=UTF-8
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| 248 | CLANG_CFLAGS = $(INCLUDES_FLAGS) -O$(OPTIMIZATION) -imacros $(CONFIG_HEADER) \
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| 249 | -ffreestanding -fno-builtin -nostdlib -nostdinc \
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| 250 | -Wall -Wextra -Wno-unused-parameter -Wmissing-prototypes \
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| 251 | -std=gnu99 -Werror-implicit-function-declaration -Wwrite-strings \
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| 252 | -integrated-as -pipe -g -target $(CLANG_TARGET) -D__$(ENDIANESS)__
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| 253 |
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| 254 | LIB_CFLAGS = $(CFLAGS) -fPIC -D__IN_SHARED_LIBC__
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| 255 | LIB_LFLAGS = $(LFLAGS) -shared -soname $(LSONAME) --whole-archive
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| 256 |
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| 257 | ifeq ($(CONFIG_DEBUG),y)
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| 258 | GCC_CFLAGS += -Werror
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| 259 | ICC_CFLAGS += -Werror
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| 260 | endif
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| 261 |
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| 262 | ifeq ($(CONFIG_LINE_DEBUG),y)
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| 263 | GCC_CFLAGS += -ggdb
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| 264 | ICC_CFLAGS += -g
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| 265 | CLANG_CFLAGS += -g
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| 266 | endif
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| 267 |
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| 268 | # Prepare for POSIX before including platform specific stuff
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| 269 | ifeq ($(POSIX_COMPAT),y)
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| 270 | CFLAGS = -I$(LIBPOSIX_PREFIX)/include/posix -I$(LIBPOSIX_PREFIX)/include/
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| 271 | BASE_LIBS = $(LIBPOSIX_PREFIX)/libposixaslibc.a $(LIBPOSIX_PREFIX)/libc4posix.a $(LIBSOFTINT_PREFIX)/libsoftint.a
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| 272 | endif
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| 273 |
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| 274 | ## Setup platform configuration
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| 275 | #
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| 276 |
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| 277 | -include $(LIBC_PREFIX)/arch/$(UARCH)/Makefile.common
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| 278 |
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| 279 | ## Compilation options
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| 280 | #
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| 281 |
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| 282 | JOBFILE = $(LIBC_PREFIX)/../../../tools/jobfile.py
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| 283 |
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| 284 | ifeq ($(FUTEX_UPGRADABLE),y)
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| 285 | CFLAGS += -I$(LIBURCU_PREFIX)/
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| 286 | LIBS += $(LIBURCU_PREFIX)/liburcu.a
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| 287 | endif
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| 288 |
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| 289 | ifeq ($(COMPILER),gcc_cross)
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| 290 | CFLAGS += $(GCC_CFLAGS)
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| 291 | DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
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| 292 | endif
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| 293 |
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| 294 | ifeq ($(COMPILER),gcc_helenos)
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| 295 | CFLAGS += $(GCC_CFLAGS)
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| 296 | DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
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| 297 | endif
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| 298 |
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| 299 | ifeq ($(COMPILER),gcc_native)
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| 300 | CFLAGS += $(GCC_CFLAGS)
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| 301 | DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
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| 302 | endif
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| 303 |
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| 304 | ifeq ($(COMPILER),icc)
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| 305 | CFLAGS += $(ICC_CFLAGS)
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| 306 | DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
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| 307 | endif
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| 308 |
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| 309 | ifeq ($(COMPILER),clang)
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| 310 | CFLAGS += $(CLANG_CFLAGS)
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| 311 | DEPEND_DEFS = $(DEFS) $(CONFIG_DEFS)
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| 312 | endif
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| 313 |
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| 314 | -include $(DEPEND)
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| 315 |
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| 316 | OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))
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| 317 | LOBJECTS := $(addsuffix .lo,$(basename $(SOURCES)))
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| 318 | TEST_OBJECTS := $(addsuffix .test.o,$(basename $(TEST_SOURCES)))
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| 319 |
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| 320 | ifneq ($(BINARY),)
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| 321 | %.disasm: $(BINARY)
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| 322 | ifeq ($(CONFIG_LINE_DEBUG),y)
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| 323 | $(OBJDUMP) -d -S $< > $@
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| 324 | else
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| 325 | $(OBJDUMP) -d $< > $@
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| 326 | endif
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| 327 |
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| 328 | $(BINARY): $(LINKER_SCRIPT) $(OBJECTS) $(LIBS) $(BASE_LIBS)
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| 329 | $(LD) -n $(LFLAGS) -T $(LINKER_SCRIPT) -M -Map $(BINARY).map -o $(BINARY) $(OBJECTS) $(LIBS) $(BASE_LIBS)
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| 330 | ifeq ($(CONFIG_STRIP_BINARIES),y)
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| 331 | $(STRIP) $(BINARY)
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| 332 | endif
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| 333 | endif
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| 334 |
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| 335 | ifneq ($(SLIBRARY),)
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| 336 | %.disasm: $(LOUTPUT)
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| 337 | ifeq ($(CONFIG_LINE_DEBUG),y)
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| 338 | $(OBJDUMP) -d -S $< > $@
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| 339 | else
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| 340 | $(OBJDUMP) -d $< > $@
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| 341 | endif
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| 342 |
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| 343 | $(LOUTPUT): $(LARCHIVE) $(LIBC_PREFIX)/arch/$(UARCH)/_link-shlib.ld
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| 344 | $(LD) -T $(LIBC_PREFIX)/arch/$(UARCH)/_link-shlib.ld $(LIB_LFLAGS) $(LARCHIVE) -o $@ -Map $(LOUTPUT).map
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| 345 |
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| 346 | $(LIBRARY).so:
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| 347 | ln -s $(SLIBRARY) $@
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| 348 |
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| 349 | $(LSONAME):
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| 350 | ln -s $(SLIBRARY) $@
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| 351 | endif
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| 352 |
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| 353 | ifneq ($(LIBRARY),)
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| 354 | %.a: $(OBJECTS)
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| 355 | $(AR) rc $@ $(OBJECTS)
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| 356 | endif
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| 357 |
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| 358 | ifneq ($(SLIBRARY),)
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| 359 | %.la: $(LOBJECTS)
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| 360 | $(AR) rc $@ $(LOBJECTS)
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| 361 | endif
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| 362 |
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| 363 | ifneq ($(TEST_OUTPUT),)
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| 364 | $(TEST_OUTPUT): $(LINKER_SCRIPT) $(TEST_OBJECTS) $(TEST_OUTPUT_LIBS)
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| 365 | $(LD) -n $(LFLAGS) -T $(LINKER_SCRIPT) -M -Map $(TEST_OUTPUT).map -o $@ $(TEST_OBJECTS) $(TEST_OUTPUT_LIBS) $(LIBS) $(BASE_LIBS)
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| 366 | ifeq ($(CONFIG_STRIP_BINARIES),y)
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| 367 | $(STRIP) $(TEST_OUTPUT)
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| 368 | endif
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| 369 | endif
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| 370 |
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| 371 | %.o: %.S $(DEPEND)
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| 372 | $(GCC) $(DEFS) $(GCC_CFLAGS) $(EXTRA_CFLAGS) -D__ASM__ -c $< -o $@
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| 373 | ifeq ($(PRECHECK),y)
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| 374 | $(JOBFILE) $(JOB) $< $@ as asm/preproc $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) -D__ASM__
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| 375 | endif
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| 376 |
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| 377 | %.o: %.s $(DEPEND)
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| 378 | $(AS) $(AFLAGS) -o $@ $<
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| 379 | ifeq ($(PRECHECK),y)
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| 380 | $(JOBFILE) $(JOB) $< $@ as asm
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| 381 | endif
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| 382 |
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| 383 | %.o: %.c $(DEPEND)
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| 384 | $(CC) $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) -c $< -o $@
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| 385 | ifeq ($(PRECHECK),y)
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| 386 | $(JOBFILE) $(JOB) $< $@ cc core $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS)
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| 387 | endif
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| 388 |
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| 389 | %.test.o: %.c $(DEPEND)
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| 390 | $(CC) $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(TEST_CFLAGS) -c $< -o $@
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| 391 | ifeq ($(PRECHECK),y)
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| 392 | $(JOBFILE) $(JOB) $< $@ cc core $(DEFS) $(CFLAGS) $(EXTRA_CFLAGS) $(TEST_CFLAGS)
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| 393 | endif
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| 394 |
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| 395 | %.lo: %.S $(DEPEND)
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| 396 | $(CC) $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) -D__ASM__ -c $< -o $@
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| 397 | ifeq ($(PRECHECK),y)
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| 398 | $(JOBFILE) $(JOB) $< $@ as asm/preproc $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) -D__ASM__
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| 399 | endif
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| 400 |
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| 401 | %.lo: %.s $(DEPEND)
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| 402 | $(AS) $(AFLAGS) -o $@ $<
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| 403 | ifeq ($(PRECHECK),y)
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| 404 | $(JOBFILE) $(JOB) $< $@ as asm
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| 405 | endif
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| 406 |
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| 407 | %.lo: %.c $(DEPEND)
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| 408 | $(CC) $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS) -c $< -o $@
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| 409 | ifeq ($(PRECHECK),y)
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| 410 | $(JOBFILE) $(JOB) $< $@ cc core $(DEFS) $(LIB_CFLAGS) $(EXTRA_CFLAGS)
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| 411 | endif
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| 412 |
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| 413 | $(DEPEND): $(PRE_DEPEND)
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| 414 | makedepend -f - -- $(DEPEND_DEFS) $(CFLAGS) $(EXTRA_CFLAGS) -- $(SOURCES) $(TEST_SOURCES) > $@ 2> /dev/null
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| 415 | -[ -f $(DEPEND_PREV) ] && diff -q $(DEPEND_PREV) $@ && mv -f $(DEPEND_PREV) $@
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| 416 |
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| 417 | ##
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| 418 | # This explicit dependecy of the output binary on the object files seems to be
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| 419 | # necessary to prevent parallel build failures (GNU make bug #26893 ???).
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| 420 | $(OUTPUT): $(OBJECTS)
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| 421 |
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| 422 | $(LARCHIVE): $(LOBJECTS)
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