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