1 # |
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2 # Copyright (c) 1995, 2007, Oracle and/or its affiliates. All rights reserved. |
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3 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 # |
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5 # This code is free software; you can redistribute it and/or modify it |
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6 # under the terms of the GNU General Public License version 2 only, as |
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7 # published by the Free Software Foundation. Oracle designates this |
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8 # particular file as subject to the "Classpath" exception as provided |
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9 # by Oracle in the LICENSE file that accompanied this code. |
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10 # |
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11 # This code is distributed in the hope that it will be useful, but WITHOUT |
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12 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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13 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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14 # version 2 for more details (a copy is included in the LICENSE file that |
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15 # accompanied this code). |
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16 # |
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17 # You should have received a copy of the GNU General Public License version |
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18 # 2 along with this work; if not, write to the Free Software Foundation, |
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19 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 # |
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21 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 # or visit www.oracle.com if you need additional information or have any |
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23 # questions. |
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24 # |
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25 |
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26 # |
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27 # Native C/C++ Compile Rules |
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28 # |
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29 |
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30 # |
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31 # INCREMENTAL_BUILD: Record the #include file dependencies. |
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32 # |
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33 # NOTE: We build make include files with the suffix |
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34 # $(DEPEND_SUFFIX) on every compilation. These are initially |
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35 # created as temp files just in case a ^C kills it in the middle. |
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36 # Compiler is smart enough to handle ^C and not create the .o file, or |
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37 # is supposed to be that smart, but the .$(DEPEND_SUFFIX) file |
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38 # creation here isn't. |
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39 # These .$(DEPEND_SUFFIX) files are included by Library.gmk and |
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40 # Program.gmk, when they exist (Search for 'make dependencies'). |
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41 # |
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42 |
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43 ifeq ($(INCREMENTAL_BUILD),true) |
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44 |
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45 $(OBJDIR)/%.$(DEPEND_SUFFIX): %.c |
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46 @$(prep-target) |
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47 @$(ECHO) "Creating $@" |
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48 @$(RM) $@.temp |
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49 @$(CC) $(CC_DEPEND) $(CPPFLAGS) $< 2> $(DEV_NULL) | \ |
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50 $(CC_DEPEND_FILTER) > $@.temp |
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51 @$(MV) $@.temp $@ |
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52 |
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53 $(OBJDIR)/%.$(DEPEND_SUFFIX): %.cpp |
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54 @$(prep-target) |
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55 @$(ECHO) "Creating $@" |
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56 @$(RM) $@.temp |
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57 @$(CXX) $(CC_DEPEND) $(CPPFLAGS) $(CXXFLAGS) $< 2> $(DEV_NULL) | \ |
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58 $(CC_DEPEND_FILTER) > $@.temp |
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59 @$(MV) $@.temp $@ |
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60 |
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61 endif # INCREMENTAL_BUILD |
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62 |
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63 # |
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64 # C, C++, asm files. |
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65 # |
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66 # Normal or parallel compile rule is the same, but batch compiles require |
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67 # we save up the sources files that use the same compile line so that we |
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68 # can do one compile line. |
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69 # |
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70 |
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71 ifneq ($(COMPILE_APPROACH), batch) |
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72 |
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73 $(OBJDIR)/%.$(OBJECT_SUFFIX): %.c |
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74 @$(prep-target) |
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75 $(COMPILE.c) $(CC_OBJECT_OUTPUT_FLAG)$@ $(CFLAGS_GPROF) $< |
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76 @$(check-conventions) |
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77 |
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78 $(OBJDIR)/%.$(OBJECT_SUFFIX): %.cpp |
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79 @$(prep-target) |
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80 $(COMPILE.cc) $(CC_OBJECT_OUTPUT_FLAG)$@ $(CFLAGS_GPROF) $< |
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81 @$(check-conventions) |
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82 |
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83 else |
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84 |
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85 # |
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86 # Batch compiling might be faster if the compiler was smart about recognizing |
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87 # optimization opportunities available when all files are being compiled |
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88 # the same way. Unfortunately this is rare. |
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89 # Automatic pre-compiled headers (pch) might be a possibility so we |
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90 # add any auto pch options here. |
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91 # So we save all the source files that have the same compile line as the |
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92 # first file. A normal compile pass is made after the batch compile |
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93 # to catch anything missed. |
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94 # If the compilers had a -o option that allowed us to direct where to |
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95 # write the object files to, then we would not need to save the object |
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96 # file list or move them from the make directory to the build directory. |
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97 # |
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98 |
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99 # Source names |
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100 COMPILE_LIST.c = $(OBJDIR)/.source_names_c |
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101 COMPILE_LIST.cpp = $(OBJDIR)/.source_names_cpp |
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102 |
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103 # Object file list |
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104 COMPILE_OBJ_LIST.c = $(OBJDIR)/.obj_names_c |
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105 COMPILE_OBJ_LIST.cpp = $(OBJDIR)/.obj_names_cpp |
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106 |
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107 # The compile line |
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108 COMPILE_BATCH.c = $(OBJDIR)/.compile_c |
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109 COMPILE_BATCH.cpp = $(OBJDIR)/.compile_cpp |
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110 |
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111 # The compile line for the current target |
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112 THIS_COMPILE_BATCH.c = $(COMPILE_BATCH.c)-$(@F) |
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113 THIS_COMPILE_BATCH.cpp = $(COMPILE_BATCH.cpp)-$(@F) |
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114 |
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115 $(OBJDIR)/%.$(OBJECT_SUFFIX): %.c |
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116 @$(prep-target) |
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117 @$(ECHO) "$(COMPILE.c) $(CFLAGS_GPROF)" > $(THIS_COMPILE_BATCH.c) |
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118 @if [ ! -s $(COMPILE_BATCH.c) ] ; then \ |
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119 $(CP) $(THIS_COMPILE_BATCH.c) $(COMPILE_BATCH.c) ; \ |
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120 $(ECHO) $< > $(COMPILE_LIST.c); \ |
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121 $(ECHO) $(@F) > $(COMPILE_OBJ_LIST.c); \ |
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122 elif [ "`$(DIFF) -w -b $(THIS_COMPILE_BATCH.c) $(COMPILE_BATCH.c)`" \ |
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123 = "" ] ; then \ |
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124 $(ECHO) $< >> $(COMPILE_LIST.c); \ |
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125 $(ECHO) $(@F) >> $(COMPILE_OBJ_LIST.c); \ |
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126 fi |
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127 @$(RM) $(THIS_COMPILE_BATCH.c) |
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128 @$(check-conventions) |
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129 |
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130 $(OBJDIR)/%.$(OBJECT_SUFFIX): %.cpp |
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131 @$(prep-target) |
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132 @$(ECHO) "$(COMPILE.cpp) $(CFLAGS_GPROF)" > $(THIS_COMPILE_BATCH.cpp) |
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133 @if [ ! -s $(COMPILE_BATCH.cpp) ] ; then \ |
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134 $(CP) $(THIS_COMPILE_BATCH.cpp) $(COMPILE_BATCH.cpp) ; \ |
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135 $(ECHO) $< > $(COMPILE_LIST.cpp); \ |
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136 $(ECHO) $(@F) > $(COMPILE_OBJ_LIST.cpp); \ |
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137 elif [ "`$(DIFF) -w -b $(THIS_COMPILE_BATCH.cpp) $(COMPILE_BATCH.cpp)`"\ |
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138 = "" ] ; then \ |
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139 $(ECHO) $< >> $(COMPILE_LIST.cpp); \ |
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140 $(ECHO) $(@F) >> $(COMPILE_OBJ_LIST.cpp); \ |
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141 fi |
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142 @$(RM) $(THIS_COMPILE_BATCH.cpp) |
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143 @$(check-conventions) |
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144 |
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145 batch_compile: $(FILES_o) |
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146 @$(ECHO) "Doing batch compilations" |
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147 @if [ -s $(COMPILE_LIST.c) ] ; then \ |
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148 $(ECHO) "$(COMPILE.c) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \ |
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149 `$(CAT) $(COMPILE_LIST.c)`" ; \ |
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150 ( $(COMPILE.c) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \ |
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151 `$(CAT) $(COMPILE_LIST.c)` && \ |
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152 $(ECHO) "$(MV) `$(CAT) $(COMPILE_OBJ_LIST.c)` $(OBJDIR)" && \ |
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153 $(MV) `$(CAT) $(COMPILE_OBJ_LIST.c)` $(OBJDIR) ) || exit 1 ; \ |
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154 fi |
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155 @if [ -s $(COMPILE_LIST.cpp) ] ; then \ |
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156 $(ECHO) "$(COMPILE.cpp) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \ |
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157 `$(CAT) $(COMPILE_LIST.cpp)`" ; \ |
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158 ( $(COMPILE.cpp) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \ |
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159 `$(CAT) $(COMPILE_LIST.cpp)` && \ |
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160 $(ECHO) "$(MV) `$(CAT) $(COMPILE_OBJ_LIST.cpp)` $(OBJDIR)" && \ |
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161 $(MV) `$(CAT) $(COMPILE_OBJ_LIST.cpp)` $(OBJDIR) ) || exit 1 ; \ |
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162 fi |
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163 @$(RM) $(COMPILE_BATCH.c) $(COMPILE_LIST.c) $(COMPILE_OBJ_LIST.c) |
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164 @$(RM) $(COMPILE_BATCH.cpp) $(COMPILE_LIST.cpp) $(COMPILE_OBJ_LIST.cpp) |
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165 |
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166 endif |
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167 |
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168 # newer as does not handle c++ style comments |
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169 $(OBJDIR)/%.$(OBJECT_SUFFIX): %.s |
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170 ifneq ($(CC_VERSION), gcc) |
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171 @$(prep-target) |
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172 $(COMPILE.s) $(CC_OBJECT_OUTPUT_FLAG)$@ $< |
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173 else |
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174 @$(prep-target) |
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175 $(CPP) -x assembler-with-cpp $< | $(COMPILE.s) -o $@ |
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176 endif |
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177 @$(check-conventions) |
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178 |
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179 # |
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180 # Quick hack for making the compiler generate just the assembly file. |
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181 # $ gnumake obj/sparc/myfile.s |
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182 # |
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183 $(OBJDIR)/%.s: %.c |
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184 @$(prep-target) |
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185 $(COMPILE.c) $(CC_OBJECT_OUTPUT_FLAG)$@ -S $< |
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186 @$(check-conventions) |
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187 |
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188 # remove the intermediate files from the directories. |
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189 # (If VARIANT=OPT, this removes all debug and fastdebug files too) |
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190 clobber clean:: |
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191 $(RM) -r $(OBJDIR) |
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192 $(RM) -r $(OBJDIR)_* |
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193 |
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194 # |
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195 # Lint support |
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196 # (The 'lint' rule below is an older rule not using the .$(LINT_SUFFIX) files) |
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197 # |
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198 |
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199 ifeq ($(PLATFORM), solaris) |
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200 $(OBJDIR)/%.$(LINT_SUFFIX): %.c |
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201 @$(prep-target) |
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202 $(LINT.c) -dirout=$(OBJDIR) -c $< |
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203 lint.clean: |
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204 $(RM) $(OBJDIR)/*.$(LINT_SUFFIX) |
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205 # Old rule |
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206 lint: $(FILES_c) |
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207 ifneq ($(FILES_c),) |
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208 $(LINT.c) -Ncheck -Nlevel=3 $? $(LDLIBS) > lint.$(ARCH) 2>&1 |
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209 endif |
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210 endif |
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211 |
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212 .PHONY: batch_compile |
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213 |
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214 |
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