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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 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 OBJECTS := $(OBJECTS) $(OTHER_OBJS) |
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50 DEPS := $(DEPS) $(OTHER_DEPS) |
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51 |
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52 # The header file search path is as follows: |
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53 # |
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54 # $(PREFIX)/include |
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55 # These headers are what will be used by application code. |
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56 # |
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57 # . |
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58 # Header files private to a package and copied into the build tree. |
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59 # |
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60 # $(COMPONENT_REPOSITORY)/<package>/src |
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61 # Header files private to a package and still in the repository. |
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62 # |
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63 # It is possible for additional paths to be specified by the user, |
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64 # typically by editing the makevars file. Any such search paths take |
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65 # precedence over the default path. |
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66 |
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67 INCLUDE_PATH := $(INCLUDE_PATH) -I$(PREFIX)/include $(foreach dir,$(VPATH),-I$(dir)) |
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68 |
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69 # |
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70 # This is the default target. It is responsible for updating the library, |
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71 # building any special targets, and updating the dependency information. |
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72 |
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73 build: $(LIBRARY).stamp $(OTHER_TARGETS) |
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74 ifneq ($(strip $(DEPS)),) |
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75 @$(CAT) $(DEPS) > makefile.deps |
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76 endif |
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77 |
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78 |
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79 # Updating the library involves using ar with any object files that |
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80 # have been rebuilt. After any s |
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81 |
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82 $(LIBRARY).stamp: $(OBJECTS) |
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83 ifneq ($(strip $(OBJECTS)),) |
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84 $(AR) crs $(PREFIX)/lib/$(LIBRARY) $? |
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85 endif |
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86 $(TOUCH) $@ |
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87 |
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88 |
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89 # The clean target cleans up the intermediate files, any object |
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90 # files, and any dependency files. |
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91 |
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92 clean: $(OTHER_CLEAN) |
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93 $(RM) $(LIBRARY).stamp |
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94 @$(RM) makefile.deps |
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95 ifneq ($(strip $(OBJECTS)),) |
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96 $(RM) $(OBJECTS) |
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97 endif |
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98 ifneq ($(strip $(DEPS)),) |
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99 @$(RM) $(DEPS) |
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100 endif |
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101 |
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102 # |
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103 # These file dependencies ensure that all files are rebuilt if |
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104 # there is a change to the build environment, e.g. if a different |
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105 # compiler is being used. |
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106 # |
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107 ifneq ($(strip $(OBJECTS)),) |
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108 $(OBJECTS) : $(BUILD_TREE)/pkgconf/pkgconf.mak |
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109 $(OBJECTS) : $(BUILD_TREE)/pkgconf/makevars $(PACKAGE_RULES_FILE) |
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110 endif |
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111 ifneq ($(strip $(OTHER_TARGETS)),) |
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112 $(OTHER_TARGETS) : $(BUILD_TREE)/pkgconf/pkgconf.mak |
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113 $(OTHER_TARGETS) : $(BUILD_TREE)/pkgconf/makevars $(PACKAGE_RULES_FILE) |
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114 endif |
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115 |
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116 # |
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117 # This rule reads in any previously generated dependency information. |
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118 # |
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119 ifneq ($(wildcard makefile.deps),) |
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120 include makefile.deps |
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121 endif |
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122 |
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123 |
