Mercurial > hg > nginx-quic
annotate auto/cc/clang @ 6377:11e019750adc
HTTP/2: fixed possible buffer overrun (ticket #893).
Due to greater priority of the unary plus operator over the ternary operator
the expression didn't work as expected. That might result in one byte less
allocation than needed for the HEADERS frame buffer.
author | Valentin Bartenev <vbart@nginx.com> |
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date | Thu, 04 Feb 2016 18:01:04 +0300 |
parents | 80bd391c90d1 |
children | 9eefb38f0005 |
rev | line source |
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4762
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1 |
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2 # Copyright (C) Nginx, Inc. |
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3 |
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4 |
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5 # clang |
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6 |
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7 |
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Configure: fixed detection of newer Apple clang compilers.
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8 NGX_CLANG_VER=`$CC -v 2>&1 | grep '\(clang\|LLVM\) version' 2>&1 \ |
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9 | sed -e 's/^.* version \(.*\)/\1/'` |
4762
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10 |
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11 echo " + clang version: $NGX_CLANG_VER" |
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12 |
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13 have=NGX_COMPILER value="\"clang $NGX_CLANG_VER\"" . auto/define |
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14 |
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15 |
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16 CC_TEST_FLAGS="-pipe" |
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17 |
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18 |
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19 # optimizations |
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20 |
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21 #NGX_CLANG_OPT="-O2" |
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22 #NGX_CLANG_OPT="-Oz" |
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23 NGX_CLANG_OPT="-O" |
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24 |
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25 case $CPU in |
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26 pentium) |
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27 # optimize for Pentium |
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28 CPU_OPT="-march=pentium" |
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29 NGX_CPU_CACHE_LINE=32 |
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30 ;; |
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31 |
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32 pentiumpro | pentium3) |
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33 # optimize for Pentium Pro, Pentium II and Pentium III |
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34 CPU_OPT="-march=pentiumpro" |
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35 NGX_CPU_CACHE_LINE=32 |
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36 ;; |
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37 |
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38 pentium4) |
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39 # optimize for Pentium 4 |
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40 CPU_OPT="-march=pentium4" |
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41 NGX_CPU_CACHE_LINE=128 |
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42 ;; |
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43 |
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44 athlon) |
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45 # optimize for Athlon |
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46 CPU_OPT="-march=athlon" |
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47 NGX_CPU_CACHE_LINE=64 |
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48 ;; |
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49 |
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50 opteron) |
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51 # optimize for Opteron |
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52 CPU_OPT="-march=opteron" |
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53 NGX_CPU_CACHE_LINE=64 |
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54 ;; |
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55 |
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56 esac |
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57 |
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58 CC_AUX_FLAGS="$CC_AUX_FLAGS $CPU_OPT" |
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59 |
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60 |
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61 CFLAGS="$CFLAGS -pipe $CPU_OPT" |
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62 |
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63 if [ ".$PCRE_OPT" = "." ]; then |
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64 PCRE_OPT="-O2 -pipe $CPU_OPT" |
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65 else |
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66 PCRE_OPT="$PCRE_OPT -pipe" |
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67 fi |
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68 |
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69 if [ ".$MD5_OPT" = "." ]; then |
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70 MD5_OPT="-O2 -pipe $CPU_OPT" |
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71 else |
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72 MD5_OPT="$MD5_OPT -pipe" |
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73 fi |
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74 |
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75 if [ ".$ZLIB_OPT" = "." ]; then |
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76 ZLIB_OPT="-O2 -pipe $CPU_OPT" |
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77 else |
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78 ZLIB_OPT="$ZLIB_OPT -pipe" |
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79 fi |
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80 |
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81 |
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82 # warnings |
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83 |
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84 CFLAGS="$CFLAGS $NGX_CLANG_OPT -Wall -Wextra -Wpointer-arith" |
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85 CFLAGS="$CFLAGS -Wconditional-uninitialized" |
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86 #CFLAGS="$CFLAGS -Wmissing-prototypes" |
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87 |
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88 # we have a lot of unused function arguments |
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89 CFLAGS="$CFLAGS -Wno-unused-parameter" |
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90 |
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91 # deprecated system OpenSSL library on OS X |
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92 if [ "$NGX_SYSTEM" = "Darwin" ]; then |
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93 CFLAGS="$CFLAGS -Wno-deprecated-declarations" |
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94 fi |
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95 |
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96 # stop on warning |
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97 CFLAGS="$CFLAGS -Werror" |
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98 |
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99 # debug |
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100 CFLAGS="$CFLAGS -g" |
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101 |
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102 if [ ".$CPP" = "." ]; then |
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103 CPP="$CC -E" |
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104 fi |