root / prex-0.9.0 / configure @ master
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1 | 03e9c04a | Brad Neuman | #! /bin/sh |
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2 | # |
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3 | # Prex configure script |
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4 | # |
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5 | # Required host commands: echo, pwd, expr, uname, tr, cat, cp |
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6 | # |
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7 | |||
8 | usage() |
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9 | { |
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10 | if [ -n "$*" ]; then |
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11 | echo "configure: $*" |
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12 | fi |
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13 | echo |
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14 | echo "Usage: configure [options]" |
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15 | echo "Options:" |
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16 | echo " --help print this message" |
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17 | echo " --target=TARGET use TARGET for target system" |
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18 | echo " --profile=PROFILE use PROFILE for target profile" |
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19 | echo " --cross-prefix=PREFIX use PREFIX for compile tools" |
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20 | echo " --cc=CC use CC as C compiler" |
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21 | echo " --no-debug disable all debug features" |
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22 | |||
23 | exit 1 |
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24 | } |
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25 | |||
26 | quit() |
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27 | { |
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28 | echo "Error: $1" |
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29 | exit 1 |
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30 | } |
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31 | |||
32 | setdefaults() |
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33 | { |
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34 | target="" |
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35 | profile="" |
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36 | prefix="" |
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37 | srcdir=`pwd` |
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38 | |||
39 | # Use GNU tools as default toolchain |
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40 | cc="gcc" |
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41 | cpp="cpp" |
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42 | as="as" |
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43 | ld="ld" |
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44 | ar="ar" |
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45 | objcopy="objcopy" |
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46 | objdump="objdump" |
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47 | strip="strip" |
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48 | } |
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49 | |||
50 | checkpath() |
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51 | { |
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52 | # Input files |
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53 | CONFIG_IN=$srcdir/conf/$arch/$platform$profile |
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54 | SECURITY_IN=$srcdir/conf/etc/security |
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55 | |||
56 | # Output files |
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57 | CONFIG_MK=$srcdir/conf/config.mk |
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58 | CONFIG_H=$srcdir/conf/config.h |
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59 | CONFIG_LD=$srcdir/conf/config.ld |
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60 | DRVTAB_H=$srcdir/conf/drvtab.h |
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61 | DRVTAB_TMP=$srcdir/conf/drvtab.tmp |
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62 | CAPTAB_H=$srcdir/conf/captab.h |
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63 | |||
64 | if [ ! -f $CONFIG_IN ]; then |
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65 | quit "Can not find $CONFIG_IN for '$target' target" |
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66 | fi |
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67 | } |
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68 | |||
69 | parseargs() |
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70 | { |
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71 | while [ -n "$1" ]; do |
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72 | case $1 in |
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73 | --*=*) |
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74 | option=`expr "x$1" : 'x\([^=]*\)='` |
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75 | optarg=`expr "x$1" : 'x[^=]*=\(.*\)'` |
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76 | ;; |
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77 | --*) |
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78 | option=$1 |
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79 | ;; |
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80 | *) |
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81 | usage "unrecognized option $1" |
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82 | ;; |
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83 | esac |
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84 | |||
85 | case $option in |
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86 | --help) |
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87 | usage |
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88 | ;; |
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89 | --target) |
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90 | target=$optarg |
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91 | ;; |
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92 | --profile) |
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93 | profile="-$optarg" |
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94 | ;; |
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95 | --cross-prefix) |
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96 | prefix=$optarg |
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97 | ;; |
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98 | --cc) |
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99 | cc=$optarg |
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100 | ;; |
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101 | --no-debug) |
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102 | nodebug=1 |
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103 | ;; |
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104 | *) |
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105 | usage "Unrecognized option $1" |
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106 | ;; |
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107 | esac |
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108 | shift |
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109 | done |
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110 | } |
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111 | |||
112 | gettarget() |
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113 | { |
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114 | if [ -z "$target" ]; then |
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115 | echo "Warning: '--target' option was not specified" |
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116 | echo "The target system was set to 'x86-pc'" |
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117 | target="x86-pc" |
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118 | fi |
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119 | |||
120 | arch=`expr "x$target" : 'x\([^=]*\)-'` |
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121 | platform=`expr "x$target" : 'x[^=]*-\(.*\)'` |
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122 | |||
123 | case "$arch" in |
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124 | x86|arm|ppc|sh|mips) |
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125 | ;; |
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126 | *) |
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127 | quit "Unkown target architecture: $arch" |
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128 | ;; |
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129 | esac |
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130 | } |
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131 | |||
132 | gethost() |
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133 | { |
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134 | # 'uname' command may be unavailable under Windows. |
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135 | # So, we check MACHTYPE variable for cygwin/mingw at first. |
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136 | case "$MACHTYPE" in |
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137 | *-cygwin) |
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138 | hostname="CYGWIN" |
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139 | ;; |
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140 | *-msys) |
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141 | hostname="MINGW" |
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142 | ;; |
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143 | *) |
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144 | hostname=`uname -s` |
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145 | ;; |
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146 | esac |
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147 | } |
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148 | |||
149 | # Set the gcc option only when it's supported. |
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150 | setgccoption() |
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151 | { |
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152 | echo "checking $1" |
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153 | if ${prefix}${cc} $1 -S -xc /dev/null -o /dev/null > /dev/null 2>&1; then |
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154 | echo "GCCFLAGS+= $1" >> $CONFIG_MK |
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155 | fi |
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156 | } |
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157 | |||
158 | checktools() |
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159 | { |
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160 | # |
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161 | # Check compiler version |
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162 | # |
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163 | case "$cc" in |
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164 | *gcc*) |
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165 | setgccoption "-fno-stack-protector" |
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166 | ;; |
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167 | esac |
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168 | } |
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169 | |||
170 | settools() |
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171 | { |
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172 | # |
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173 | # Set host specific tool settings |
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174 | # |
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175 | case "$hostname" in |
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176 | *BSD) |
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177 | ;; |
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178 | SunOS) |
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179 | # Solaris |
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180 | as="gas" |
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181 | ld="gld" |
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182 | ar="gar" |
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183 | strip="gstrip" |
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184 | objcopy="gobjcopy" |
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185 | objdump="gobjdump" |
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186 | ;; |
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187 | CYGWIN*|MINGW*) |
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188 | case "$arch" in |
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189 | x86) |
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190 | prefix="i386-elf-" |
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191 | ;; |
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192 | ppc) |
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193 | prefix="powerpc-elf-" |
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194 | ;; |
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195 | *) |
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196 | prefix="$arch-elf-" |
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197 | ;; |
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198 | esac |
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199 | ;; |
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200 | esac |
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201 | |||
202 | # |
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203 | # Set tools |
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204 | # |
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205 | case "$cc" in |
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206 | *gcc*) |
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207 | cc_type="_GNUC_" |
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208 | ;; |
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209 | pcc) |
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210 | cc_type="_PCC_" |
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211 | ;; |
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212 | suncc) |
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213 | cc_type="_SUNPRO_C_" |
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214 | cc="suncc" |
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215 | ;; |
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216 | *) |
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217 | quit "Unkown compiler: $cc" |
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218 | ;; |
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219 | esac |
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220 | } |
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221 | |||
222 | options() |
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223 | { |
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224 | param=`expr "x$1" : 'x\([^= ]*\)'` |
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225 | value=`expr "x$1" : 'x[^=]*=\([A-Za-z0-9\.]*\)'` |
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226 | |||
227 | if [ "x$value" = x ] ; then |
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228 | echo "CONFIG_${param}=y" |
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229 | echo "CONFIG_${param}=y" >> $CONFIG_MK |
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230 | echo "#define CONFIG_${param} y" >> $CONFIG_H |
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231 | else |
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232 | echo "CONFIG_${param}=${value}" |
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233 | echo "CONFIG_${param}=${value}" >> $CONFIG_MK |
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234 | echo "#define CONFIG_${param} ${value}" >> $CONFIG_H |
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235 | fi |
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236 | } |
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237 | |||
238 | device() |
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239 | { |
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240 | param=`echo $1 | tr '[a-z]' '[A-Z]'` |
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241 | |||
242 | echo "CONFIG_${param}=y" |
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243 | echo "CONFIG_${param}=y" >> $CONFIG_MK |
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244 | echo "#define CONFIG_${param} y" >> $CONFIG_H |
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245 | |||
246 | echo "extern struct driver $1_driver;" >> $DRVTAB_H |
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247 | echo " &$1_driver," >> $DRVTAB_TMP |
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248 | } |
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249 | |||
250 | capability() |
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251 | { |
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252 | { |
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253 | echo "{" |
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254 | echo " \"$1\"," |
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255 | shift 1 |
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256 | while [ "$1" != "" ] ; do |
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257 | if [ "$2" != "" ] ; then |
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258 | echo " $1 |" |
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259 | else |
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260 | echo " $1" |
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261 | fi |
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262 | shift 1 |
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263 | done |
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264 | echo "}," |
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265 | } >> $CAPTAB_H |
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266 | } |
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267 | |||
268 | memory() |
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269 | { |
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270 | echo "CONFIG_$1=$2" |
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271 | echo "CONFIG_$1=$2" >> $CONFIG_MK |
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272 | echo "CONFIG_$1 = $2 ;" >> $CONFIG_LD |
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273 | echo "#define CONFIG_$1 $2" >> $CONFIG_H |
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274 | } |
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275 | |||
276 | command() |
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277 | { |
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278 | param=`echo $1 | tr '[a-z]' '[A-Z]'` |
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279 | |||
280 | echo "CONFIG_CMD_${param}=y" |
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281 | echo "CONFIG_CMD_${param}=y" >> $CONFIG_MK |
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282 | echo "#define CONFIG_CMD_${param} y" >> $CONFIG_H |
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283 | } |
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284 | |||
285 | parseconfig() |
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286 | { |
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287 | while read line; do |
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288 | read cmd rest <<-END_OF_COMMAND |
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289 | $line |
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290 | END_OF_COMMAND |
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291 | |||
292 | case "$cmd" in |
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293 | options) |
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294 | options $rest |
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295 | ;; |
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296 | device) |
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297 | device $rest |
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298 | ;; |
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299 | capability) |
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300 | capability $rest |
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301 | ;; |
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302 | makeoptions) |
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303 | echo "$rest" |
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304 | echo "$rest" >> $CONFIG_MK |
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305 | ;; |
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306 | memory) |
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307 | memory $rest |
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308 | ;; |
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309 | command) |
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310 | command $rest |
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311 | ;; |
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312 | esac |
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313 | done < $1 |
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314 | } |
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315 | |||
316 | main() |
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317 | { |
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318 | [ -d conf ] || |
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319 | quit "configure must be run from the top source level" |
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320 | |||
321 | # |
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322 | # Process input arguments |
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323 | # |
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324 | setdefaults |
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325 | parseargs "$@" |
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326 | gettarget |
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327 | checkpath |
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328 | gethost |
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329 | settools |
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330 | |||
331 | echo "#" > $CONFIG_MK |
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332 | echo "# Automatically generated file. Don't edit" >> $CONFIG_MK |
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333 | echo "#" >> $CONFIG_MK |
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334 | echo "_CONFIG_MK_=1" >> $CONFIG_MK |
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335 | |||
336 | echo "/*" > $CONFIG_H |
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337 | echo " * Automatically generated file. Don't edit" >> $CONFIG_H |
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338 | echo " */" >> $CONFIG_H |
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339 | |||
340 | cp $CONFIG_H $CONFIG_LD |
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341 | cp $CONFIG_H $DRVTAB_H |
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342 | cp $CONFIG_H $CAPTAB_H |
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343 | |||
344 | echo "" > $DRVTAB_TMP |
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345 | echo "struct driver *driver_table[] = {" >> $DRVTAB_TMP |
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346 | |||
347 | |||
348 | echo "" >> $CAPTAB_H |
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349 | echo "const struct cap_map cap_table[] = {" >> $CAPTAB_H |
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350 | |||
351 | # |
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352 | # Setup build settings |
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353 | # |
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354 | { |
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355 | echo "ARCH=${arch}" |
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356 | echo "PLATFORM=${platform}" |
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357 | echo "PROFILE=${platform}${profile}" |
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358 | if [ -n "${nodebug}" ]; then |
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359 | echo "NDEBUG=1" |
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360 | fi |
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361 | echo "${cc_type}=1" |
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362 | echo "CC=${prefix}${cc}" |
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363 | echo "CPP=${prefix}${cpp}" |
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364 | echo "AS=${prefix}${as}" |
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365 | echo "LD=${prefix}${ld}" |
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366 | echo "AR=${prefix}${ar}" |
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367 | echo "OBJCOPY=${prefix}${objcopy}" |
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368 | echo "OBJDUMP=${prefix}${objdump}" |
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369 | echo "STRIP=${prefix}${strip}" |
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370 | |||
371 | } >> $CONFIG_MK |
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372 | |||
373 | # |
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374 | # Adjust tool options |
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375 | # |
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376 | checktools |
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377 | |||
378 | # |
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379 | # Generate configuration parameters |
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380 | # |
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381 | echo "checking configuration files..." |
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382 | echo "#define CONFIG_MACHINE ${target}" >> $CONFIG_H |
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383 | echo "#define CONFIG_PROFILE ${profile}" >> $CONFIG_H |
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384 | |||
385 | parseconfig $CONFIG_IN |
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386 | parseconfig $SECURITY_IN |
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387 | |||
388 | cat $DRVTAB_TMP >> $DRVTAB_H |
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389 | echo "};" >> $DRVTAB_H |
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390 | rm -f $DRVTAB_TMP |
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391 | |||
392 | echo "{ NULL, 0 }" >> $CAPTAB_H |
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393 | echo "};" >> $CAPTAB_H |
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394 | |||
395 | echo |
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396 | echo "Prex is now hopefully configured for your setup." |
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397 | echo "Now you must run a make." |
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398 | } |
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399 | |||
400 | main "$@" |