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annotate packages/pkgconf/makrules.src @ 4:1d7f19c9e4d1 ecos-sw-1999-05-11

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Merge from eCos master repository on 1999-05-11-21:11:10-BST
author jlarmour
date Tue, 11 May 1999 14:07:25 +0000
parents 443894e2e912
children c38311975d4f
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1 #===============================================================================
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2 #
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3 # makrules.src
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4 #
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5 # This file contains generic rules that can be applied to all src
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6 # directories.
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7 #
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8 #===============================================================================
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9 #####COPYRIGHTBEGIN####
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10 #
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11 # -------------------------------------------
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12 # The contents of this file are subject to the Cygnus eCos Public License
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13 # Version 1.0 (the "License"); you may not use this file except in
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14 # compliance with the License. You may obtain a copy of the License at
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15 # http://sourceware.cygnus.com/ecos
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16 #
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17 # Software distributed under the License is distributed on an "AS IS"
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18 # basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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19 # License for the specific language governing rights and limitations under
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20 # the License.
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21 #
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22 # The Original Code is eCos - Embedded Cygnus Operating System, released
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23 # September 30, 1998.
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24 #
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25 # The Initial Developer of the Original Code is Cygnus. Portions created
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26 # by Cygnus are Copyright (C) 1998,1999 Cygnus Solutions. All Rights Reserved.
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27 # -------------------------------------------
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28 #
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29 #####COPYRIGHTEND####
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30 #===============================================================================
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31
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32 .PHONY: default build clean
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33
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34 # Source files can be picked up from the build tree or the component
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35 # repository. This allows copies of the sources to be made in the
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36 # build tree and edited there.
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37 VPATH := . $(COMPONENT_REPOSITORY)/$($(PACKAGE)_DIR)/src
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38
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39 # The object files and the dependency files can be deduced mainly
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40 # from the list of source files. OTHER_OBJS and OTHER_DEPS are
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41 # provided as an escape mechanism, as is OTHER_TARGETS.
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42
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43 OBJECTS := $(COMPILE:.cxx=.o)
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44 OBJECTS := $(OBJECTS:.c=.o)
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45 OBJECTS := $(OBJECTS:.S=.o)
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46 OBJECTS := $(foreach obj,$(OBJECTS),$(dir $(obj))$(PACKAGE)_$(notdir $(obj)))
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47 DEPS := $(OBJECTS:.o=.d)
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48
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49 EXTRAS_OBJECTS := $(EXTRAS_COMPILE:.cxx=.o)
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50 EXTRAS_OBJECTS := $(EXTRAS_OBJECTS:.c=.o)
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51 EXTRAS_OBJECTS := $(EXTRAS_OBJECTS:.S=.o)
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52 EXTRAS_OBJECTS := $(foreach obj,$(EXTRAS_OBJECTS),$(dir $(obj))$(PACKAGE)_$(notdir $(obj)))
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53 DEPS := $(DEPS) $(EXTRAS_OBJECTS:.o=.d)
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54
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55 OBJECTS := $(OBJECTS) $(OTHER_OBJS)
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56 EXTRAS_OBJECTS := $(EXTRAS_OBJECTS) $(EXTRAS_OTHER_OBJECTS)
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57 DEPS := $(DEPS) $(OTHER_DEPS)
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58
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59 # The header file search path is as follows:
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60 #
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61 # $(PREFIX)/include
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62 # These headers are what will be used by application code.
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63 #
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64 # .
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65 # Header files private to a package and copied into the build tree.
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66 #
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67 # $(COMPONENT_REPOSITORY)/<package>/src
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68 # Header files private to a package and still in the repository.
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69 #
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70 # It is possible for additional paths to be specified by the user,
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71 # typically by editing the makevars file. Any such search paths take
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72 # precedence over the default path.
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73
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74 INCLUDE_PATH := $(INCLUDE_PATH) -I$(PREFIX)/include $(foreach dir,$(VPATH),-I$(dir))
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75
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76 #
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77 # This is the default target. It is responsible for updating the library,
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78 # building any special targets, and updating the dependency information.
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79
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80 build: $(LIBRARY).stamp extras $(OTHER_TARGETS)
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81 ifneq ($(strip $(DEPS)),)
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82 @$(CAT) $(DEPS) > makefile.deps
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83 endif
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84
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85
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86 # Updating the library involves using ar with any object files that
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87 # have been rebuilt. A few packages may not involve any object files
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88 # at all.
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89
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90 $(LIBRARY).stamp: $(OBJECTS)
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91 ifneq ($(strip $(OBJECTS)),)
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92 $(AR) rcs $(PREFIX)/lib/$(LIBRARY) $?
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93 endif
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94 $(TOUCH) $@
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95
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96 # Updating libextras.a may or may not be a no-op, many packages
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97 # will not want to put anything there.
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98 .PHONY: extras
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99 ifeq ($(strip $(EXTRAS_OBJECTS)),)
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100 extras:
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101 else
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102 extras: $(PREFIX)/lib/libextras.a($(EXTRAS_OBJECTS))
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103 endif
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104
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105 # The clean target cleans up the intermediate files, any object
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106 # files, and any dependency files.
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107
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108 clean: $(OTHER_CLEAN)
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109 $(RM) $(LIBRARY).stamp
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110 @$(RM) makefile.deps
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111 ifneq ($(strip $(OBJECTS)),)
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112 $(RM) $(OBJECTS)
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113 endif
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114 ifneq ($(strip $(EXTRAS_OBJECTS)),)
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115 $(RM) $(EXTRAS_OBJECTS)
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116 endif
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117 ifneq ($(strip $(DEPS)),)
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118 @$(RM) $(DEPS)
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119 endif
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120
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121 #
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122 # These file dependencies ensure that all files are rebuilt if
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123 # there is a change to the build environment, e.g. if a different
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124 # compiler is being used.
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125 #
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126 ifneq ($(strip $(OBJECTS)),)
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127 $(OBJECTS) : $(BUILD_TREE)/pkgconf/pkgconf.mak
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128 $(OBJECTS) : $(BUILD_TREE)/pkgconf/makevars $(PACKAGE_RULES_FILE)
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129 endif
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130 ifneq ($(strip $(EXTRAS_OBJECTS)),)
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131 $(EXTRAS_OBJECTS) : $(BUILD_TREE)/pkgconf/pkgconf.mak
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132 $(EXTRAS_OBJECTS) : $(BUILD_TREE)/pkgconf/makevars $(PACKAGE_RULES_FILE)
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133 endif
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134 ifneq ($(strip $(OTHER_TARGETS)),)
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135 $(OTHER_TARGETS) : $(BUILD_TREE)/pkgconf/pkgconf.mak
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136 $(OTHER_TARGETS) : $(BUILD_TREE)/pkgconf/makevars $(PACKAGE_RULES_FILE)
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137 endif
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138
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139 #
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140 # This rule reads in any previously generated dependency information.
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141 #
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142 ifneq ($(wildcard makefile.deps),)
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143 include makefile.deps
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144 endif
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145
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146