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1
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2 # Copyright (C) Igor Sysoev
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3
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4
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50
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5 # gcc 2.7.2.3, 2.8.1, 2.95.4, egcs-1.1.2
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46
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6 # 3.0.4, 3.1.1, 3.2.3, 3.3.2, 3.3.3, 3.3.4, 3.4.0, 3.4.2
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70
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7 # 4.0.0, 4.0.1, 4.1.0
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50
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8
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9
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10 NGX_GCC_VER=`$CC -v 2>&1 | grep 'gcc version' 2>&1 \
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11 | sed -e 's/^.* version \(.*\)/\1/'`
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12
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13 echo " + gcc version: $NGX_GCC_VER"
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4
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14
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106
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15 have=NGX_COMPILER value="\"gcc $NGX_GCC_VER\"" . auto/define
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16
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4
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17
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18 # Solaris 7's /usr/ccs/bin/as does not support "-pipe"
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19
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20 CC_TEST_FLAGS="-pipe"
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21
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22 ngx_feature="gcc -pipe switch"
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23 ngx_feature_name=
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24 ngx_feature_run=no
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25 ngx_feature_incs=
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26 ngx_feature_libs=
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27 ngx_feature_test=
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28 . auto/feature
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29
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30 CC_TEST_FLAGS=
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31
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32 if [ $ngx_found = yes ]; then
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33 PIPE="-pipe"
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34 fi
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35
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110
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36
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37 case "$NGX_PLATFORM" in
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38
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39 *:sun4u)
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112
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40 # "-mcpu=v9" enables the "casa" assembler instruction
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110
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41 CFLAGS="$CFLAGS -mcpu=v9"
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42 ;;
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43
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44 esac
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45
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46
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47 # optimizations
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48
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49 #NGX_GCC_OPT="-O2"
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50 #NGX_GCC_OPT="-Os"
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51 NGX_GCC_OPT="-O"
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52
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53 CFLAGS="$CFLAGS $NGX_GCC_OPT"
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54
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55 #CFLAGS="$CFLAGS -fomit-frame-pointer"
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56
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57 case $CPU in
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58 pentium)
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59 # optimize for Pentium and Athlon
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60 CPU_OPT="-march=pentium"
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61 ;;
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62
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63 pentiumpro | pentium3)
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64 # optimize for Pentium Pro, Pentium II and Pentium III
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65 CPU_OPT="-march=pentiumpro"
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66 ;;
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67
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68 pentium4)
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69 # optimize for Pentium 4, gcc 3.x
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70 CPU_OPT="-march=pentium4"
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71 ;;
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72
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70
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73 athlon)
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74 # optimize for Athlon, gcc 3.x
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75 CPU_OPT="-march=athlon"
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76 ;;
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77
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58
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78 opteron)
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79 # optimize for Opteron, gcc 3.x
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80 CPU_OPT="-march=opteron"
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81 ;;
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82
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83 sparc64)
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84 # build 64-bit UltraSparc binary
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85 CPU_OPT="-m64"
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86 CORE_LINK="$CORE_LINK -m64"
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87 CC_AUX_FLAGS="$CC_AUX_FLAGS -m64"
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88 ;;
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89
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90 esac
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91
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92
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93 case "$NGX_GCC_VER" in
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94 2.7*)
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95 # batch build
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96 CPU_OPT=
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97 ;;
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98 esac
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4
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99
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100
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101 CFLAGS="$CFLAGS $PIPE $CPU_OPT"
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102
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103 if [ ".$PCRE_OPT" = "." ]; then
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104 PCRE_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT"
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105 else
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106 PCRE_OPT="$PCRE_OPT $PIPE"
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107 fi
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108
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109 if [ ".$MD5_OPT" = "." ]; then
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110 MD5_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT"
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111 else
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112 MD5_OPT="$MD5_OPT $PIPE"
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113 fi
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114
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115 if [ ".$ZLIB_OPT" = "." ]; then
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116 ZLIB_OPT="-O2 -fomit-frame-pointer $PIPE $CPU_OPT"
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117 else
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118 ZLIB_OPT="$ZLIB_OPT $PIPE"
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119 fi
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120
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121
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122 # warnings
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123
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124 # -W requires at least -O
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125 CFLAGS="$CFLAGS ${NGX_GCC_OPT:-O} -W"
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126
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4
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127 CFLAGS="$CFLAGS -Wall -Wpointer-arith"
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128 #CFLAGS="$CFLAGS -Wconversion"
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129 #CFLAGS="$CFLAGS -Winline"
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130
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131
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132 case "$NGX_GCC_VER" in
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133 3.* | 4.* )
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134 # we have a lot of the unused function arguments
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135 CFLAGS="$CFLAGS -Wno-unused-parameter"
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136 CFLAGS="$CFLAGS -Wno-unused-function"
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112
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137 CFLAGS="$CFLAGS -Wunused-variable"
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138 CFLAGS="$CFLAGS -Wunused-value"
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50
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139 #CFLAGS="$CFLAGS -Wunreachable-code"
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140 ;;
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141
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142 *)
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143 # we have a lot of the unused function arguments
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144 CFLAGS="$CFLAGS -Wno-unused"
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145 ;;
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146 esac
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147
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4
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148
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149 # stop on warning
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150 CFLAGS="$CFLAGS -Werror"
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151
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152 # debug
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153 CFLAGS="$CFLAGS -g"
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154
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155 # DragonFly's gcc3 generates DWARF
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156 #CFLAGS="$CFLAGS -g -gstabs"
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157
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158 if [ ".$CPP" = "." ]; then
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159 CPP="$CC -E"
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160 fi
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