1 | # |
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2 | # $Id$ |
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3 | # |
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4 | # gcc 2.6.x native compiler |
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5 | # Compiler (and tools) configuration |
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6 | # |
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7 | |
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8 | # Additional target names (other than debug, profile) |
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9 | TARGET_VARIANTS += |
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10 | |
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11 | # |
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12 | # Pre-processor defines. |
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13 | # Local tailoring (on the command line) can be done by setting XCPPFLAGS |
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14 | # which is never set in the Makefile's |
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15 | # |
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16 | |
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17 | CPPFLAGS=$(XCPPFLAGS) $(DEFINES) |
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18 | |
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19 | # |
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20 | # Local tailoring (on the command line) can be done by setting CFLAGS |
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21 | # which is never set in the Makefile's |
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22 | # |
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23 | |
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24 | # |
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25 | # CFLAGS_OPTIMIZE_V, CFLAGS_DEBUG_V, CFLAGS_PROFILE_V are the values we |
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26 | # would want the corresponding macros to be set to. |
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27 | # |
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28 | # CFLAGS_OPTIMIZE, CFLAGS_DEBUG, CFLAGS_PROFILE are set in the leaf |
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29 | # Makefiles by the 'debug:' and 'profile:' targets to their _V values. |
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30 | # |
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31 | |
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32 | # default flags |
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33 | |
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34 | CFLAGS_DEFAULT = @CC_CFLAGS_DEFAULT@ |
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35 | |
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36 | # Under MS-DOS do not use pipes |
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37 | # It turns out the pipes don't work with some non-gas assemblers either. :( |
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38 | # ifneq ($(RTEMS_HOST),msdos) |
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39 | # # CFLAGS_DEFAULT += -pipe |
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40 | # CFLAGS_DEFAULT += |
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41 | # endif |
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42 | |
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43 | # Additional target names (other than debug, profile) |
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44 | |
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45 | # optimize flag: typically -0, could use -O4 or -fast |
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46 | # -O4 is ok for RTEMS |
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47 | CFLAGS_OPTIMIZE_V=-O |
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48 | |
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49 | # debug flag; typically -g |
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50 | CFLAGS_DEBUG_V=@CC_CFLAGS_DEBUG_V@ |
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51 | |
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52 | # when debugging, optimize flag: typically empty |
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53 | # some compilers do allow optimization with their "-g" |
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54 | CFLAGS_DEBUG_OPTIMIZE_V= |
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55 | |
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56 | # profile flag; use gprof(1) |
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57 | CFLAGS_PROFILE_V=@CC_CFLAGS_PROFILE_V@ |
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58 | |
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59 | # default is to optimize |
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60 | CFLAGS_OPTIMIZE=$(CFLAGS_OPTIMIZE_V) |
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61 | |
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62 | # dynamic libraries |
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63 | CFLAGS_DYNAMIC_V=-fpic |
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64 | ASFLAGS_DYNAMIC_V= |
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65 | |
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66 | # XCFLAGS are now local flags to avoid conflict with cygnus configure |
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67 | XCFLAGS=$(CFLAGS_OPTIMIZE) $(CFLAGS_DEBUG) $(CFLAGS_PROFILE) \ |
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68 | $(CFLAGS_DEFAULT) |
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69 | |
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70 | # List of library paths without -L |
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71 | LD_PATHS= |
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72 | |
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73 | # libraries you want EVERYONE to link with |
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74 | LD_LIBS= |
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75 | |
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76 | # ld flag to ensure pure-text |
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77 | LDFLAGS_MUST_BE_PURE_V = |
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78 | |
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79 | # ld flag for [un]shared objects |
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80 | LDFLAGS_STATIC_LIBRARIES_V = |
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81 | LDFLAGS_SHARED_LIBRARIES_V = |
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82 | |
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83 | # ld flag for incomplete link |
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84 | LDFLAGS_INCOMPLETE = -r |
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85 | |
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86 | # Special linker options when building lib.so |
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87 | LDFLAGS_DYNAMIC_V = ?? |
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88 | |
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89 | # Some dynamic linking systems want the preferred name recorded in the binary |
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90 | # ref: src/libxil/Makefile |
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91 | LDFLAGS_DYNAMIC_LIBNAME_V = -h $(DYNAMIC_VERSION_LIBNAME) |
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92 | |
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93 | # ld flags for profiling, debugging |
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94 | LDFLAGS_PROFILE_V = @CC_LDFLAGS_PROFILE_V@ |
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95 | LDFLAGS_DEBUG_V = |
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96 | |
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97 | LDFLAGS=$(LDFLAGS_PROFILE) $(LDFLAGS_DEBUG) $(LD_PATHS:%=-L %) |
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98 | |
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99 | # |
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100 | # Stuff to clean and clobber for the compiler and its tools |
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101 | # |
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102 | |
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103 | CLEAN_CC = a.out *.o *.BAK |
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104 | CLOBBER_CC = |
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105 | |
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106 | # |
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107 | # Client compiler and support tools |
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108 | # |
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109 | |
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110 | # CC_FOR_BUILD=gcc -O |
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111 | # override CC=$(CC_FOR_BUILD) |
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112 | |
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113 | CC=@CC@ |
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114 | |
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115 | # CPP command to write file to standard output |
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116 | CPP=$(CC) -E |
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117 | |
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118 | # flags set by cc when running cpp |
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119 | CPP_CC_FLAGS=-D__STDC__ |
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120 | |
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121 | # egrep regexp to ignore symbol table entries in ar archives. |
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122 | # Only used to make sure we skip them when coalescing libraries. |
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123 | # skip __.SYMDEF and empty names (maybe bug in ranlib??). |
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124 | AR_SYMBOL_TABLE="HIGHLY-UNLIKELY-TO-CONFLICT" |
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125 | ARFLAGS=ruv |
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126 | |
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127 | # |
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128 | # Command to convert a normal archive to one searchable by $(LD) |
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129 | # Not needed on SVR4 |
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130 | # FIXME: Should be handled by autoconf. Doesn't matter, because |
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131 | # rtems doesn't have any host-libraries until now. |
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132 | # |
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133 | |
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134 | MKLIB=echo library is complete: |
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135 | |
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136 | # |
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137 | # How to compile stuff into ${ARCH} subdirectory |
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138 | # |
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139 | # NOTE: we override COMPILE.c |
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140 | # |
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141 | |
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142 | COMPILE.c=$(CC) $(CFLAGS) $(CPPFLAGS) $(XCFLAGS) -c |
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143 | |
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144 | ${ARCH}/%.o: %.c |
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145 | ${COMPILE.c} -o $@ $< |
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146 | |
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147 | ${ARCH}/%.o: %.cc |
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148 | ${COMPILE.c} -o $@ $< |
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149 | |
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150 | # assembly runs gasp |
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151 | ${ARCH}/%.o: %.s |
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152 | $(CPP) ${CPPFLAGS} $< | $(SED) 's/% /%/g' | $(SED) 's/^#.*//' >$(ARCH)/$*.i |
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153 | $(AS) -o $@ $(ARCH)/$*.i |
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154 | $(RM) $(ARCH)/$*.i |
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155 | |
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156 | # Link host applications. |
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157 | define make-exe |
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158 | ${CC} ${LDFLAGS} -o $@ $^ ${LD_LIBS} |
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159 | endef |
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160 | |
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161 | # Specify our own default rule for this to prevent having CFLAGS and |
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162 | # CPPFLAGS being passed to linker |
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163 | # |
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164 | # NOTE: This rule is only used as fallback for host-tool makefiles |
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165 | # which don't provide their own rule |
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166 | ${ARCH}/%$(EXEEXT): ${ARCH}/%.o |
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167 | $(make-exe) |
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168 | |
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169 | # create $(ARCH)/pgm from pgm.sh |
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170 | ${ARCH}/%: %.sh |
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171 | $(RM) $@ |
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172 | $(CP) $< $@ |
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173 | $(CHMOD) +x $@ |
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174 | |
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175 | # Dependency files for use by gmake |
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176 | # NOTE: we don't put in $(TARGET_ARCH) |
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177 | # so that 'make clean' doesn't blow it away |
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178 | |
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179 | DEPEND=Depends-$(TARGET_ARCH:o-%=%) |
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180 | |
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181 | CLEAN_DEPEND=$(DEPEND).tmp |
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182 | CLOBBER_DEPEND=$(DEPEND) |
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183 | |
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184 | # We deliberately don't have anything depend on the |
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185 | # $(DEPEND) file; otherwise it will get rebuilt even |
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186 | # on 'make clean' |
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187 | # |
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188 | |
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189 | depend: $(C_FILES) $(CC_FILES) $(S_FILES) |
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190 | ifneq ($(words $(C_FILES) $(CC_FILES) $(S_FILES)), 0) |
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191 | # Use gcc -M to generate dependencies |
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192 | # Replace foo.o with $(ARCH)/foo.o |
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193 | # Replace $(ARCH) value with string $(ARCH) |
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194 | # so that it will for debug and profile cases |
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195 | $(COMPILE.c) -M $^ | \ |
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196 | $(SED) -e 's?^\(.*\)\.o[ ]*:?$$(ARCH)/\1.o:?' \ |
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197 | -e 's?$(ARCH)/?$$(ARCH)/?' >$(DEPEND).tmp |
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198 | $(MV) $(DEPEND).tmp $(DEPEND) |
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199 | endif |
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200 | |
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201 | define make-rel |
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202 | $(LD) $(LDFLAGS_INCOMPLETE) $(XLDFLAGS) -o $@ $(OBJS) |
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203 | endef |
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