release/src/router/nginx/auto/cc/clang

   1
   2 # Copyright (C) Nginx, Inc.
   3
   4
   5 # clang
   6
   7
   8 NGX_CLANG_VER=`$CC -v 2>&1 | grep 'clang version' 2>&1 \
   9                            | sed -e 's/^.*clang version \(.*\)/\1/'`
  10
  11 echo " + clang version: $NGX_CLANG_VER"
  12
  13 have=NGX_COMPILER value="\"clang $NGX_CLANG_VER\"" . auto/define
  14
  15
  16 CC_TEST_FLAGS="-pipe"
  17
  18
  19 # optimizations
  20
  21 #NGX_CLANG_OPT="-O2"
  22 #NGX_CLANG_OPT="-Oz"
  23 NGX_CLANG_OPT="-O"
  24
  25 case $CPU in
  26     pentium)
  27         # optimize for Pentium
  28         CPU_OPT="-march=pentium"
  29         NGX_CPU_CACHE_LINE=32
  30     ;;
  31
  32     pentiumpro | pentium3)
  33         # optimize for Pentium Pro, Pentium II and Pentium III
  34         CPU_OPT="-march=pentiumpro"
  35         NGX_CPU_CACHE_LINE=32
  36     ;;
  37
  38     pentium4)
  39         # optimize for Pentium 4
  40         CPU_OPT="-march=pentium4"
  41         NGX_CPU_CACHE_LINE=128
  42     ;;
  43
  44     athlon)
  45         # optimize for Athlon
  46         CPU_OPT="-march=athlon"
  47         NGX_CPU_CACHE_LINE=64
  48     ;;
  49
  50     opteron)
  51         # optimize for Opteron
  52         CPU_OPT="-march=opteron"
  53         NGX_CPU_CACHE_LINE=64
  54     ;;
  55
  56 esac
  57
  58 CC_AUX_FLAGS="$CC_AUX_FLAGS $CPU_OPT"
  59
  60
  61 CFLAGS="$CFLAGS -pipe $CPU_OPT"
  62
  63 if [ ".$PCRE_OPT" = "." ]; then
  64     PCRE_OPT="-O2 -pipe $CPU_OPT"
  65 else
  66     PCRE_OPT="$PCRE_OPT -pipe"
  67 fi
  68
  69 if [ ".$MD5_OPT" = "." ]; then
  70     MD5_OPT="-O2 -pipe $CPU_OPT"
  71 else
  72     MD5_OPT="$MD5_OPT -pipe"
  73 fi
  74
  75 if [ ".$ZLIB_OPT" = "." ]; then
  76     ZLIB_OPT="-O2 -pipe $CPU_OPT"
  77 else
  78     ZLIB_OPT="$ZLIB_OPT -pipe"
  79 fi
  80
  81
  82 # warnings
  83
  84 CFLAGS="$CFLAGS $NGX_CLANG_OPT -Wall -Wextra -Wpointer-arith"
  85 #CFLAGS="$CFLAGS -Wmissing-prototypes"
  86
  87 # we have a lot of unused function arguments
  88 CFLAGS="$CFLAGS -Wno-unused-parameter"
  89
  90 # stop on warning
  91 #CFLAGS="$CFLAGS"
  92
  93 # debug
  94 CFLAGS="$CFLAGS -g"
  95
  96 if [ ".$CPP" = "." ]; then
  97     CPP="$CC -E"
  98 fi