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 -include $(SPEC) |
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31 -include $(VARS) |
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32 |
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33 COMPILE.c = $(CC) $(CFLAGS) $(CPPFLAGS) -c |
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34 COMPILE.cc = $(CXX) $(CXXFLAGS) $(CPPFLAGS) -c |
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35 |
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36 # |
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37 # INCREMENTAL_BUILD: Record the #include file dependencies. |
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38 # |
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39 # NOTE: We build make include files with the suffix |
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40 # $(DEPEND_SUFFIX) on every compilation. These are initially |
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41 # created as temp files just in case a ^C kills it in the middle. |
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42 # Compiler is smart enough to handle ^C and not create the .o file, or |
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43 # is supposed to be that smart, but the .$(DEPEND_SUFFIX) file |
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44 # creation here isn't. |
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45 # These .$(DEPEND_SUFFIX) files are included by Library.gmk and |
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46 # Program.gmk, when they exist (Search for 'make dependencies'). |
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47 # |
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48 |
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49 ifeq ($(INCREMENTAL_BUILD),true) |
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50 |
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51 $(OBJDIR)/%.$(DEPEND_SUFFIX): %.c |
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52 @$(prep-target) |
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53 @$(ECHO) "Creating $@" |
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54 @$(RM) $@.temp |
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55 @$(CC) $(CC_DEPEND) $(CPPFLAGS) $< 2> $(DEV_NULL) | \ |
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56 $(CC_DEPEND_FILTER) > $@.temp |
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57 @$(MV) $@.temp $@ |
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58 |
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59 $(OBJDIR)/%.$(DEPEND_SUFFIX): %.cpp |
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60 @$(prep-target) |
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61 @$(ECHO) "Creating $@" |
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62 @$(RM) $@.temp |
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63 @$(CXX) $(CC_DEPEND) $(CPPFLAGS) $(CXXFLAGS) $< 2> $(DEV_NULL) | \ |
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64 $(CC_DEPEND_FILTER) > $@.temp |
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65 @$(MV) $@.temp $@ |
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66 |
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67 endif # INCREMENTAL_BUILD |
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68 |
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69 # |
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70 # C, C++, asm files. |
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71 # |
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72 # Normal or parallel compile rule is the same, but batch compiles require |
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73 # we save up the sources files that use the same compile line so that we |
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74 # can do one compile line. |
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75 # |
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76 |
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77 ifneq ($(COMPILE_APPROACH), batch) |
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78 |
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79 $(OBJDIR)/%.$(OBJECT_SUFFIX): %.c |
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80 @$(prep-target) |
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81 $(COMPILE.c) $(CC_OBJECT_OUTPUT_FLAG)$@ $(CFLAGS_GPROF) $< |
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82 @$(check-conventions) |
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83 |
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84 $(OBJDIR)/%.$(OBJECT_SUFFIX): %.cpp |
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85 @$(prep-target) |
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86 $(COMPILE.cc) $(CC_OBJECT_OUTPUT_FLAG)$@ $(CFLAGS_GPROF) $< |
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87 @$(check-conventions) |
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88 |
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89 else |
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90 |
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91 # |
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92 # Batch compiling might be faster if the compiler was smart about recognizing |
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93 # optimization opportunities available when all files are being compiled |
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94 # the same way. Unfortunately this is rare. |
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95 # Automatic pre-compiled headers (pch) might be a possibility so we |
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96 # add any auto pch options here. |
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97 # So we save all the source files that have the same compile line as the |
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98 # first file. A normal compile pass is made after the batch compile |
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99 # to catch anything missed. |
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100 # If the compilers had a -o option that allowed us to direct where to |
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101 # write the object files to, then we would not need to save the object |
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102 # file list or move them from the make directory to the build directory. |
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103 # |
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104 |
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105 # Source names |
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106 COMPILE_LIST.c = $(OBJDIR)/.source_names_c |
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107 COMPILE_LIST.cpp = $(OBJDIR)/.source_names_cpp |
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108 |
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109 # Object file list |
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110 COMPILE_OBJ_LIST.c = $(OBJDIR)/.obj_names_c |
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111 COMPILE_OBJ_LIST.cpp = $(OBJDIR)/.obj_names_cpp |
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112 |
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113 # The compile line |
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114 COMPILE_BATCH.c = $(OBJDIR)/.compile_c |
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115 COMPILE_BATCH.cpp = $(OBJDIR)/.compile_cpp |
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116 |
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117 # The compile line for the current target |
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118 THIS_COMPILE_BATCH.c = $(COMPILE_BATCH.c)-$(@F) |
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119 THIS_COMPILE_BATCH.cpp = $(COMPILE_BATCH.cpp)-$(@F) |
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120 |
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121 $(OBJDIR)/%.$(OBJECT_SUFFIX): %.c |
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122 @$(prep-target) |
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123 @$(ECHO) "$(COMPILE.c) $(CFLAGS_GPROF)" > $(THIS_COMPILE_BATCH.c) |
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124 @if [ ! -s $(COMPILE_BATCH.c) ] ; then \ |
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125 $(CP) $(THIS_COMPILE_BATCH.c) $(COMPILE_BATCH.c) ; \ |
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126 $(ECHO) $< > $(COMPILE_LIST.c); \ |
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127 $(ECHO) $(@F) > $(COMPILE_OBJ_LIST.c); \ |
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128 elif [ "`$(DIFF) -w -b $(THIS_COMPILE_BATCH.c) $(COMPILE_BATCH.c)`" \ |
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129 = "" ] ; then \ |
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130 $(ECHO) $< >> $(COMPILE_LIST.c); \ |
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131 $(ECHO) $(@F) >> $(COMPILE_OBJ_LIST.c); \ |
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132 fi |
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133 @$(RM) $(THIS_COMPILE_BATCH.c) |
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134 @$(check-conventions) |
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135 |
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136 $(OBJDIR)/%.$(OBJECT_SUFFIX): %.cpp |
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137 @$(prep-target) |
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138 @$(ECHO) "$(COMPILE.cc) $(CFLAGS_GPROF)" > $(THIS_COMPILE_BATCH.cpp) |
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139 @if [ ! -s $(COMPILE_BATCH.cpp) ] ; then \ |
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140 $(CP) $(THIS_COMPILE_BATCH.cpp) $(COMPILE_BATCH.cpp) ; \ |
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141 $(ECHO) $< > $(COMPILE_LIST.cpp); \ |
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142 $(ECHO) $(@F) > $(COMPILE_OBJ_LIST.cpp); \ |
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143 elif [ "`$(DIFF) -w -b $(THIS_COMPILE_BATCH.cpp) $(COMPILE_BATCH.cpp)`"\ |
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144 = "" ] ; then \ |
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145 $(ECHO) $< >> $(COMPILE_LIST.cpp); \ |
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146 $(ECHO) $(@F) >> $(COMPILE_OBJ_LIST.cpp); \ |
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147 fi |
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148 @$(RM) $(THIS_COMPILE_BATCH.cpp) |
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149 @$(check-conventions) |
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150 |
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151 batch_compile: $(FILES_o) |
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152 @$(ECHO) "Doing batch compilations" |
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153 @if [ -s $(COMPILE_LIST.c) ] ; then \ |
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154 $(ECHO) "$(COMPILE.c) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \ |
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155 `$(CAT) $(COMPILE_LIST.c)`" ; \ |
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156 ( $(COMPILE.c) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \ |
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157 `$(CAT) $(COMPILE_LIST.c)` && \ |
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158 $(ECHO) "$(MV) `$(CAT) $(COMPILE_OBJ_LIST.c)` $(OBJDIR)" && \ |
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159 $(MV) `$(CAT) $(COMPILE_OBJ_LIST.c)` $(OBJDIR) ) || exit 1 ; \ |
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160 fi |
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161 @if [ -s $(COMPILE_LIST.cpp) ] ; then \ |
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162 $(ECHO) "$(COMPILE.cc) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \ |
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163 `$(CAT) $(COMPILE_LIST.cpp)`" ; \ |
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164 ( $(COMPILE.cc) $(CFLAGS_GPROF) $(AUTOMATIC_PCH_OPTION) \ |
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165 `$(CAT) $(COMPILE_LIST.cpp)` && \ |
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166 $(ECHO) "$(MV) `$(CAT) $(COMPILE_OBJ_LIST.cpp)` $(OBJDIR)" && \ |
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167 $(MV) `$(CAT) $(COMPILE_OBJ_LIST.cpp)` $(OBJDIR) ) || exit 1 ; \ |
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168 fi |
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169 @$(RM) $(COMPILE_BATCH.c) $(COMPILE_LIST.c) $(COMPILE_OBJ_LIST.c) |
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170 @$(RM) $(COMPILE_BATCH.cpp) $(COMPILE_LIST.cpp) $(COMPILE_OBJ_LIST.cpp) |
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171 |
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172 endif |
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173 |
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174 # newer as does not handle c++ style comments |
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175 $(OBJDIR)/%.$(OBJECT_SUFFIX): %.s |
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176 ifneq ($(CC_VERSION), gcc) |
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177 @$(prep-target) |
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178 $(COMPILE.s) $(CC_OBJECT_OUTPUT_FLAG)$@ $< |
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179 else |
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180 @$(prep-target) |
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181 $(CPP) -x assembler-with-cpp $< | $(COMPILE.s) -o $@ |
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182 endif |
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183 @$(check-conventions) |
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184 |
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185 # Obj-C files (Mac OS X only). |
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186 ifeq ($(PLATFORM), macosx) |
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187 $(OBJDIR)/%.$(OBJECT_SUFFIX): %.m |
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188 @$(prep-target) |
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189 $(COMPILE.c) $(CC_OBJECT_OUTPUT_FLAG)$@ $(CFLAGS_GPROF) $< |
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190 @$(check-conventions) |
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191 |
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192 $(OBJDIR)/%.$(OBJECT_SUFFIX): %.mm |
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193 @$(prep-target) |
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194 $(COMPILE.cc) $(CC_OBJECT_OUTPUT_FLAG)$@ $(CFLAGS_GPROF) $< |
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195 @$(check-conventions) |
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196 |
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197 $(OBJDIR)/%.$(OBJECT_SUFFIX): %.c |
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198 @$(prep-target) |
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199 $(COMPILE.c) $(CC_OBJECT_OUTPUT_FLAG)$@ $(CFLAGS_GPROF) $< |
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200 @$(check-conventions) |
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201 endif # PLATFORM |
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202 |
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203 # |
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204 # Quick hack for making the compiler generate just the assembly file. |
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205 # $ gnumake obj/sparc/myfile.s |
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206 # |
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207 $(OBJDIR)/%.s: %.c |
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208 @$(prep-target) |
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209 $(COMPILE.c) $(CC_OBJECT_OUTPUT_FLAG)$@ -S $< |
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210 @$(check-conventions) |
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211 |
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212 # remove the intermediate files from the directories. |
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213 # (If VARIANT=OPT, this removes all debug and fastdebug files too) |
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214 clobber clean:: |
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215 $(RM) -r $(OBJDIR) |
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216 $(RM) -r $(OBJDIR)_* |
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217 |
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218 # |
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219 # Lint support |
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220 # (The 'lint' rule below is an older rule not using the .$(LINT_SUFFIX) files) |
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221 # |
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222 |
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223 ifeq ($(PLATFORM), solaris) |
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224 $(OBJDIR)/%.$(LINT_SUFFIX): %.c |
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225 @$(prep-target) |
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226 $(LINT.c) -dirout=$(OBJDIR) -c $< |
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227 lint.clean: |
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228 $(RM) $(OBJDIR)/*.$(LINT_SUFFIX) |
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229 # Old rule |
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230 lint: $(FILES_c) |
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231 ifneq ($(FILES_c),) |
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232 $(LINT.c) -Ncheck -Nlevel=3 $? $(LDLIBS) > lint.$(ARCH) 2>&1 |
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233 endif |
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234 endif |
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235 |
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236 .PHONY: batch_compile |
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237 |
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238 |
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