configure.ac

   1 AC_INIT(mkp224o)
   2 # sanity check
   3 AC_CONFIG_SRCDIR([main.c])
   4 # C compiler
   5 oldcflags="$CFLAGS"
   6 AC_PROG_CC
   7
   8 if test "x$oldcflags" != "x$CFLAGS"
   9 then
  10         oldcflags="-O3"
  11         CFLAGS="-march=native"
  12         AC_MSG_CHECKING([whether CC supports -march=native])
  13         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
  14                 [AC_MSG_RESULT([yes])]
  15                 [oldcflags="$oldcflags -march=native"],
  16                 [AC_MSG_RESULT([no])]
  17         )
  18         CFLAGS="-fomit-frame-pointer"
  19         AC_MSG_CHECKING([whether CC supports -fomit-frame-pointer])
  20         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
  21                 [AC_MSG_RESULT([yes])]
  22                 [oldcflags="$oldcflags -fomit-frame-pointer"],
  23                 [AC_MSG_RESULT([no])]
  24         )
  25         CFLAGS="$oldcflags"
  26 fi
  27
  28 cstd=""
  29 oldcflags="$CFLAGS"
  30 CFLAGS="-std=c99"
  31 AC_MSG_CHECKING([whether CC supports -std=c99])
  32 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
  33     [AC_MSG_RESULT([yes])]
  34     [cstd="-std=c99"],
  35     [AC_MSG_RESULT([no])]
  36 )
  37 CFLAGS="$oldcflags"
  38
  39 nopie=""
  40
  41 oldcflags="$CFLAGS"
  42 CFLAGS="-nopie"
  43 AC_MSG_CHECKING([whether CC supports -nopie])
  44 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
  45     [AC_MSG_RESULT([yes])]
  46     [nopie="-nopie"],
  47     [AC_MSG_RESULT([no])]
  48 )
  49 CFLAGS="$oldcflags"
  50
  51 if test "x$nopie" = "x"
  52 then
  53         oldcflags="$CFLAGS"
  54         CFLAGS="-no-pie"
  55         AC_MSG_CHECKING([whether CC supports -no-pie])
  56         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
  57                 [AC_MSG_RESULT([yes])]
  58                 [nopie="-no-pie"],
  59                 [AC_MSG_RESULT([no])]
  60         )
  61         CFLAGS="$oldcflags"
  62 fi
  63
  64 MYDEFS=""
  65
  66 ed25519impl=""
  67 AC_ARG_ENABLE([ref10],
  68         [AS_HELP_STRING([--enable-ref10],
  69                 [use SUPERCOP ref10 ed25519 implementation @<:@default=yes@:>@])],
  70         [
  71                 AS_IF([test "x$ed25519impl" != "x" -a "$ed25519impl" != "ref10"],
  72                         [AC_ERROR([only one ed25519 implementation can be defined])])
  73                 ed25519impl="ref10"
  74         ],
  75         []
  76 )
  77
  78 AC_ARG_ENABLE([amd64-51-30k],
  79         [AS_HELP_STRING([--enable-amd64-51-30k],
  80                 [use SUPERCOP amd64-51-30k ed25519 implementation @<:@default=no@:>@])],
  81         [
  82                 AS_IF([test "x$ed25519impl" != "x" -a "$ed25519impl" != "amd64_51_30k"],
  83                         [AC_ERROR([only one ed25519 implementation can be defined])])
  84                 ed25519impl="amd64_51_30k"
  85         ],
  86         []
  87 )
  88
  89 AC_ARG_ENABLE([amd64-64-24k],
  90         [AS_HELP_STRING([--enable-amd64-64-24k],
  91                 [use SUPERCOP amd64-64-24k ed25519 implementation @<:@default=no@:>@])],
  92         [
  93                 AS_IF([test "x$ed25519impl" != "x" -a "$ed25519impl" != "amd64_64_24k"],
  94                         [AC_ERROR([only one ed25519 implementation can be defined])])
  95                 ed25519impl="amd64_64_24k"
  96         ],
  97         []
  98 )
  99
 100 AC_ARG_ENABLE([donna],
 101         [AS_HELP_STRING([--enable-donna],
 102                 [use ed25519-donna implementation @<:@default=no@:>@])],
 103         [
 104                 AS_IF([test "x$ed25519impl" != "x" -a "$ed25519impl" != "donna"],
 105                         [AC_ERROR([only one ed25519 implementation can be defined])])
 106                 ed25519impl="donna"
 107         ],
 108         []
 109 )
 110
 111 AC_ARG_ENABLE([donna-sse2],
 112         [AS_HELP_STRING([--enable-donna-sse2],
 113                 [use ed25519-donna SSE2 implementation @<:@default=no@:>@])],
 114         [
 115                 AS_IF([test "x$ed25519impl" != "x" -a "$ed25519impl" != "donna-sse2"],
 116                         [AC_ERROR([only one ed25519 implementation can be defined])])
 117                 ed25519impl="donna-sse2"
 118         ],
 119         []
 120 )
 121
 122 AS_IF([test "x$ed25519impl" == "x"],[ed25519impl=ref10])
 123
 124 if test "$ed25519impl" = "donna-sse2"
 125 then
 126         ed25519impl="donna"
 127         MYDEFS="$MYDEFS -DED25519_SSE2"
 128         CFLAGS="$CFLAGS -msse2"
 129 fi
 130
 131 AC_ARG_ENABLE([intfilter],
 132         [AS_HELP_STRING([--enable-intfilter],
 133                 [use 64bit integers for filtering. faster but limits filter length @<:@default=no@:>@])],
 134         [], [enable_intfilter=no]
 135 )
 136 if test "x$enable_intfilter" = "xyes"
 137 then
 138         MYDEFS="$MYDEFS -DINTFILTER"
 139 fi
 140
 141 AC_ARG_ENABLE([statistics],
 142         [AS_HELP_STRING([--enable-statistics],
 143                 [collect statistics @<:@default=yes@:>@])],
 144         [], [enable_statistics=yes]
 145 )
 146 if test "x$enable_statistics" = "xyes"
 147 then
 148         MYDEFS="$MYDEFS -DSTATISTICS"
 149 fi
 150
 151 AC_SUBST(CSTD,["$cstd"])
 152 AC_SUBST(ED25519IMPL,["$ed25519impl"])
 153 AC_SUBST(MYDEFS,["$MYDEFS"])
 154 AC_SUBST(NOPIE,["$nopie"])
 155 AC_OUTPUT(Makefile)