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1 # Top level -*- makefile -*- fragment for GNU C - C language.
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2 # Copyright (C) 1994-2020 Free Software Foundation, Inc.
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3
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4 #This file is part of GCC.
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5
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6 #GCC is free software; you can redistribute it and/or modify
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7 #it under the terms of the GNU General Public License as published by
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8 #the Free Software Foundation; either version 3, or (at your option)
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9 #any later version.
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10
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11 #GCC is distributed in the hope that it will be useful,
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12 #but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 #GNU General Public License for more details.
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15
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16 # You should have received a copy of the GNU General Public License
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17 # along with GCC; see the file COPYING3. If not see
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18 # <http://www.gnu.org/licenses/>.
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19
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20 # This file provides the language dependent support in the main Makefile.
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21 # Each language makefile fragment must provide the following targets:
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22 #
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23 # foo.all.cross, foo.start.encap, foo.rest.encap,
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24 # foo.install-common, foo.install-man, foo.install-info, foo.install-pdf,
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25 # foo.install-html, foo.info, foo.dvi, foo.pdf, foo.html, foo.uninstall,
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26 # foo.mostlyclean, foo.clean, foo.distclean,
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27 # foo.maintainer-clean, foo.stage1, foo.stage2, foo.stage3, foo.stage4
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28 #
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29 # where `foo' is the name of the language.
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30 #
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31 # It should also provide rules for:
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32 #
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33 # - making any compiler driver (eg: gcc)
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34 # - the compiler proper (eg: cc1)
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35 # - define the names for selecting the language in LANGUAGES.
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36
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37 #
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38 # Define the names for selecting c in LANGUAGES.
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39 c: cc1$(exeext)
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40
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41 # Tell GNU make to ignore these if they exist.
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42 .PHONY: c gcc
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43
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44 # The C front end driver. This is different from the drivers for other
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45 # front ends, because there is no C language specific driver (i.e. nothing
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46 # is to cc1 as e.g. g++ is to cc1plus, or gfortran is to f951).
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47 CFLAGS-c/gccspec.o += $(DRIVER_DEFINES)
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48
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49 # The C compiler itself.
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50
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51 # Language-specific object files for C and Objective C.
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52 C_AND_OBJC_OBJS = attribs.o c/c-errors.o c/c-decl.o c/c-typeck.o \
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53 c/c-convert.o c/c-aux-info.o c/c-objc-common.o c/c-parser.o \
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54 c/c-fold.o c/gimple-parser.o \
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55 $(C_COMMON_OBJS) $(C_TARGET_OBJS)
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56
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57 # Language-specific object files for C.
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58 C_OBJS = c/c-lang.o c-family/stub-objc.o $(C_AND_OBJC_OBJS)
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59 c_OBJS = $(C_OBJS) cc1-checksum.o c/gccspec.o
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60
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61 # Use strict warnings for this front end.
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62 c-warn = $(STRICT_WARN)
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63
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64 ifeq ($(if $(wildcard ../stage_current),$(shell cat \
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65 ../stage_current)),stageautofeedback)
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66 $(C_OBJS): ALL_COMPILERFLAGS += -fauto-profile=cc1.fda
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67 $(C_OBJS): cc1.fda
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68 endif
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69
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70 # compute checksum over all object files and the options
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71 # re-use the checksum from the prev-final stage so it passes
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72 # the bootstrap comparison and allows comparing of the cc1 binary
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73 cc1-checksum.c : build/genchecksum$(build_exeext) checksum-options \
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74 $(C_OBJS) $(BACKEND) $(LIBDEPS)
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75 if [ -f ../stage_final ] \
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76 && cmp -s ../stage_current ../stage_final; then \
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77 cp ../prev-gcc/cc1-checksum.c cc1-checksum.c; \
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78 else \
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79 build/genchecksum$(build_exeext) $(C_OBJS) $(BACKEND) $(LIBDEPS) \
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80 checksum-options > cc1-checksum.c.tmp && \
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81 $(srcdir)/../move-if-change cc1-checksum.c.tmp cc1-checksum.c; \
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82 fi
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83
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84 cc1$(exeext): $(C_OBJS) cc1-checksum.o $(BACKEND) $(LIBDEPS)
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85 +$(LLINKER) $(ALL_LINKERFLAGS) $(LDFLAGS) -o $@ $(C_OBJS) \
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86 cc1-checksum.o $(BACKEND) $(LIBS) $(BACKENDLIBS)
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87
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88 cc1.fda: ../stage1-gcc/cc1$(exeext) ../prev-gcc/$(PERF_DATA)
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89 $(CREATE_GCOV) -binary ../stage1-gcc/cc1$(exeext) -gcov cc1.fda -profile ../prev-gcc/$(PERF_DATA) -gcov_version 1
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90
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91 #
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92 # Build hooks:
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93
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94 c.info:
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95 c.dvi:
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96 c.pdf:
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97 c.html:
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98 c.install-info:
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99 c.install-pdf:
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100 c.install-html:
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101 c.all.cross:
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102 c.start.encap:
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103 c.rest.encap:
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104 c.srcinfo:
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105 c.srcextra: gengtype-lex.c
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106 -cp -p $^ $(srcdir)
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107 c.tags: force
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108 cd $(srcdir)/c; etags -o TAGS.sub *.c *.h; \
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109 etags --include TAGS.sub --include ../TAGS.sub
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110 c.man:
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111 c.srcman:
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112
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131
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113 # C selftests
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114
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115 # If C is enabled, require the selftests to be run for it
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116 # at each stage of the build:
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117 selftest-c: s-selftest-c
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118
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119 C_SELFTEST_FLAGS = -xc $(SELFTEST_FLAGS)
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120 C_SELFTEST_DEPS = cc1$(exeext) $(SELFTEST_DEPS)
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121
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122 # Run the C selftests:
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123 s-selftest-c: $(C_SELFTEST_DEPS)
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124 $(GCC_FOR_TARGET) $(C_SELFTEST_FLAGS)
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125 $(STAMP) $@
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126
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127 # Convenience methods for running C selftests under gdb:
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128 .PHONY: selftest-c-gdb
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129 selftest-c-gdb: $(C_SELFTEST_DEPS)
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130 $(GCC_FOR_TARGET) $(C_SELFTEST_FLAGS) \
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131 -wrapper gdb,--args
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132
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133 .PHONY: selftest-gdb
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134 selftest-gdb: selftest-c-gdb
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135
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136 # Convenience methods for running C selftests under valgrind:
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137 .PHONY: selftest-c-valgrind
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138 selftest-c-valgrind: $(C_SELFTEST_DEPS)
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139 $(GCC_FOR_TARGET) $(C_SELFTEST_FLAGS) \
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140 -wrapper valgrind,--leak-check=full
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141
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142 .PHONY: selftest-valgrind
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143 selftest-valgrind: selftest-c-valgrind
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144
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145 # List of targets that can use the generic check- rule and its // variant.
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146 lang_checks += check-gcc
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147 lang_checks_parallelized += check-gcc
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148 # For description see the check_$lang_parallelize comment in gcc/Makefile.in.
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149 check_gcc_parallelize=10000
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150
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151 # 'make check' in gcc/ looks for check-c. Redirect it to check-gcc.
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152 check-c : check-gcc
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153
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154 #
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155 # Install hooks:
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156 # cc1 is installed elsewhere as part of $(COMPILERS).
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157
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158 c.install-common:
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159 c.install-man:
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131
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160
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161 c.install-plugin: installdirs
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162 # Install import library.
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163 ifeq ($(plugin_implib),yes)
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164 $(mkinstalldirs) $(DESTDIR)$(plugin_resourcesdir)
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165 $(INSTALL_DATA) cc1$(exeext).a $(DESTDIR)/$(plugin_resourcesdir)/cc1$(exeext).a
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166 endif
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167
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168 c.uninstall:
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169
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170 #
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171 # Clean hooks:
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172 # A lot of the ancillary files are deleted by the main makefile.
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173 # We just have to delete files specific to us.
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174
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175 c.mostlyclean:
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176 -rm -f cc1$(exeext)
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177 -rm -f c/*$(objext)
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178 -rm -f c/*$(coverageexts)
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179 -rm -f cc1.fda
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180 c.clean:
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181 c.distclean:
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182 -rm -f c/config.status c/Makefile
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183 c.maintainer-clean:
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184 #
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185 # Stage hooks:
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186 # The main makefile has already created stage?/cp.
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187
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188 c.stage1: stage1-start
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189 -mv c/*$(objext) stage1/c
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190 c.stage2: stage2-start
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191 -mv c/*$(objext) stage2/c
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192 c.stage3: stage3-start
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193 -mv c/*$(objext) stage3/c
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194 c.stage4: stage4-start
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195 -mv c/*$(objext) stage4/c
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196 c.stageprofile: stageprofile-start
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197 -mv c/*$(objext) stageprofile/c
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198 c.stagefeedback: stagefeedback-start
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199 -mv c/*$(objext) stagefeedback/c
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200 c.autostageprofile: autostageprofile-start
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201 -mv c/*$(objext) autostageprofile/c
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202 c.autostagefeedback: autostagefeedback-start
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203 -mv c/*$(objext) autostagefeedback/c
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