Mercurial > hg > nginx
annotate auto/cc/conf @ 6980:dbb0c854e308
Set UDP datagram source address (ticket #1239).
Previously, the source IP address of a response UDP datagram could differ from
the original datagram destination address. This could happen if the server UDP
socket is bound to a wildcard address and the network interface chosen to output
the response packet has a different default address than the destination address
of the original packet. For example, if two addresses from the same network are
configured on an interface.
Now source address is set explicitly if a response is sent for a server UDP
socket bound to a wildcard address.
| author | Roman Arutyunyan <arut@nginx.com> |
|---|---|
| date | Tue, 11 Apr 2017 16:41:53 +0300 |
| parents | 0c3e464682e2 |
| children | 775f621eacae |
| rev | line source |
|---|---|
| 455 | 1 |
| 2 # Copyright (C) Igor Sysoev | |
| 4412 | 3 # Copyright (C) Nginx, Inc. |
| 455 | 4 |
| 5 | |
| 487 | 6 LINK="\$(CC)" |
| 7 | |
| 6383 | 8 MAIN_LINK= |
| 9 MODULE_LINK="-shared" | |
| 10 | |
| 455 | 11 ngx_include_opt="-I " |
| 12 ngx_compile_opt="-c" | |
| 6383 | 13 ngx_pic_opt="-fPIC" |
| 455 | 14 ngx_objout="-o " |
| 15 ngx_binout="-o " | |
| 16 ngx_objext="o" | |
| 17 ngx_binext= | |
| 6383 | 18 ngx_modext=".so" |
| 455 | 19 |
| 573 | 20 ngx_long_start= |
| 21 ngx_long_end= | |
| 22 | |
| 455 | 23 ngx_regex_dirsep="\/" |
| 24 ngx_dirsep='/' | |
| 25 | |
| 26 ngx_regex_cont=' \\\ | |
| 27 ' | |
| 28 ngx_cont=' \ | |
| 29 ' | |
| 30 ngx_tab=' \ | |
| 31 ' | |
| 32 ngx_spacer= | |
| 33 | |
| 573 | 34 ngx_long_regex_cont=$ngx_regex_cont |
| 35 ngx_long_cont=$ngx_cont | |
| 36 | |
| 455 | 37 . auto/cc/name |
| 38 | |
| 39 if test -n "$CFLAGS"; then | |
| 40 | |
| 41 CC_TEST_FLAGS="$CFLAGS $NGX_CC_OPT" | |
| 42 | |
| 43 case $NGX_CC_NAME in | |
| 44 | |
| 45 ccc) | |
| 46 # Compaq C V6.5-207 | |
| 47 | |
| 48 ngx_include_opt="-I" | |
| 49 ;; | |
| 50 | |
|
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51 sunc) |
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52 |
| 6383 | 53 MAIN_LINK= |
| 54 MODULE_LINK="-G" | |
| 55 | |
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56 case "$NGX_MACHINE" in |
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57 |
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58 i86pc) |
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59 NGX_AUX=" src/os/unix/ngx_sunpro_x86.il" |
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60 ;; |
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61 |
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62 sun4u | sun4v) |
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63 NGX_AUX=" src/os/unix/ngx_sunpro_sparc64.il" |
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64 ;; |
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65 |
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66 esac |
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67 |
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68 case $CPU in |
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69 |
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70 amd64) |
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71 NGX_AUX=" src/os/unix/ngx_sunpro_amd64.il" |
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72 ;; |
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73 |
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74 esac |
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75 ;; |
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76 |
| 455 | 77 esac |
| 78 | |
| 79 else | |
| 80 | |
| 81 case $NGX_CC_NAME in | |
| 82 gcc) | |
| 515 | 83 # gcc 2.7.2.3, 2.8.1, 2.95.4, egcs-1.1.2 |
| 84 # 3.0.4, 3.1.1, 3.2.3, 3.3.2, 3.3.3, 3.3.4, 3.4.0, 3.4.2 | |
| 561 | 85 # 4.0.0, 4.0.1, 4.1.0 |
| 455 | 86 |
| 87 . auto/cc/gcc | |
| 88 ;; | |
| 89 | |
|
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90 clang) |
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91 # Clang C compiler |
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92 |
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93 . auto/cc/clang |
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94 ;; |
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95 |
| 455 | 96 icc) |
| 515 | 97 # Intel C++ compiler 7.1, 8.0, 8.1 |
| 455 | 98 |
| 99 . auto/cc/icc | |
| 100 ;; | |
| 101 | |
| 561 | 102 sunc) |
| 103 # Sun C 5.7 Patch 117837-04 2005/05/11 | |
| 104 | |
| 105 . auto/cc/sunc | |
| 106 ;; | |
| 107 | |
| 467 | 108 ccc) |
| 515 | 109 # Compaq C V6.5-207 |
| 110 | |
| 111 . auto/cc/ccc | |
| 467 | 112 ;; |
| 455 | 113 |
| 515 | 114 acc) |
| 115 # aCC: HP ANSI C++ B3910B A.03.55.02 | |
| 116 | |
| 117 . auto/cc/acc | |
| 118 ;; | |
| 455 | 119 |
| 461 | 120 msvc*) |
| 121 # MSVC++ 6.0 SP2, MSVC++ Toolkit 2003 | |
| 455 | 122 |
| 123 . auto/cc/msvc | |
| 124 ;; | |
| 125 | |
| 126 owc) | |
| 127 # Open Watcom C 1.0, 1.2 | |
| 128 | |
| 129 . auto/cc/owc | |
| 130 ;; | |
| 131 | |
| 132 bcc) | |
| 133 # Borland C++ 5.5 | |
| 134 | |
| 135 . auto/cc/bcc | |
| 136 ;; | |
| 137 | |
| 138 esac | |
| 139 | |
| 515 | 140 CC_TEST_FLAGS="$CC_TEST_FLAGS $NGX_CC_OPT" |
| 455 | 141 |
| 142 fi | |
| 143 | |
| 144 CFLAGS="$CFLAGS $NGX_CC_OPT" | |
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145 NGX_TEST_LD_OPT="$NGX_LD_OPT" |
| 455 | 146 |
| 469 | 147 if [ "$NGX_PLATFORM" != win32 ]; then |
| 455 | 148 |
| 461 | 149 if test -n "$NGX_LD_OPT"; then |
| 150 ngx_feature=--with-ld-opt=\"$NGX_LD_OPT\" | |
| 469 | 151 ngx_feature_name= |
| 461 | 152 ngx_feature_run=no |
| 153 ngx_feature_incs= | |
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154 ngx_feature_path= |
| 461 | 155 ngx_feature_libs= |
| 156 ngx_feature_test= | |
| 157 . auto/feature | |
| 158 | |
| 159 if [ $ngx_found = no ]; then | |
| 160 echo $0: error: the invalid value in --with-ld-opt=\"$NGX_LD_OPT\" | |
| 161 echo | |
| 162 exit 1 | |
| 163 fi | |
| 164 fi | |
| 165 | |
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166 |
| 6383 | 167 ngx_feature="-Wl,-E switch" |
| 168 ngx_feature_name= | |
| 169 ngx_feature_run=no | |
| 170 ngx_feature_incs= | |
| 171 ngx_feature_path= | |
| 172 ngx_feature_libs=-Wl,-E | |
| 173 ngx_feature_test= | |
| 174 . auto/feature | |
| 175 | |
| 176 if [ $ngx_found = yes ]; then | |
| 177 MAIN_LINK="-Wl,-E" | |
| 178 fi | |
| 179 | |
| 180 | |
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181 ngx_feature="gcc builtin atomic operations" |
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182 ngx_feature_name=NGX_HAVE_GCC_ATOMIC |
| 3366 | 183 ngx_feature_run=yes |
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184 ngx_feature_incs= |
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185 ngx_feature_path= |
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186 ngx_feature_libs= |
| 3366 | 187 ngx_feature_test="long n = 0; |
| 188 if (!__sync_bool_compare_and_swap(&n, 0, 1)) | |
| 189 return 1; | |
| 190 if (__sync_fetch_and_add(&n, 1) != 1) | |
| 191 return 1; | |
| 192 if (n != 2) | |
| 193 return 1; | |
| 194 __sync_synchronize();" | |
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195 . auto/feature |
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196 |
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197 |
| 517 | 198 if [ "$NGX_CC_NAME" = "ccc" ]; then |
| 515 | 199 echo "checking for C99 variadic macros ... disabled" |
| 200 else | |
| 201 ngx_feature="C99 variadic macros" | |
| 202 ngx_feature_name="NGX_HAVE_C99_VARIADIC_MACROS" | |
| 203 ngx_feature_run=yes | |
| 204 ngx_feature_incs="#include <stdio.h> | |
| 205 #define var(dummy, ...) sprintf(__VA_ARGS__)" | |
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206 ngx_feature_path= |
| 515 | 207 ngx_feature_libs= |
| 208 ngx_feature_test="char buf[30]; buf[0] = '0'; | |
| 209 var(0, buf, \"%d\", 1); | |
| 210 if (buf[0] != '1') return 1" | |
| 211 . auto/feature | |
| 212 fi | |
| 455 | 213 |
| 467 | 214 |
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215 ngx_feature="gcc variadic macros" |
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216 ngx_feature_name="NGX_HAVE_GCC_VARIADIC_MACROS" |
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217 ngx_feature_run=yes |
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218 ngx_feature_incs="#include <stdio.h> |
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219 #define var(dummy, args...) sprintf(args)" |
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220 ngx_feature_path= |
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221 ngx_feature_libs= |
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222 ngx_feature_test="char buf[30]; buf[0] = '0'; |
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223 var(0, buf, \"%d\", 1); |
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224 if (buf[0] != '1') return 1" |
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225 . auto/feature |
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226 |
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227 |
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228 ngx_feature="gcc builtin 64 bit byteswap" |
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229 ngx_feature_name="NGX_HAVE_GCC_BSWAP64" |
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230 ngx_feature_run=no |
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231 ngx_feature_incs= |
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232 ngx_feature_path= |
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233 ngx_feature_libs= |
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234 ngx_feature_test="if (__builtin_bswap64(0)) return 1" |
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235 . auto/feature |
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236 |
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237 |
| 467 | 238 # ngx_feature="inline" |
| 469 | 239 # ngx_feature_name= |
| 467 | 240 # ngx_feature_run=no |
| 241 # ngx_feature_incs="int inline f(void) { return 1 }" | |
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242 # ngx_feature_path= |
| 467 | 243 # ngx_feature_libs= |
| 244 # ngx_feature_test= | |
| 245 # . auto/feature | |
| 246 # | |
| 247 # if [ $ngx_found = yes ]; then | |
| 248 # fi | |
| 249 | |
| 455 | 250 fi |