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 nopie=""
  29
  30 oldcflags="$CFLAGS"
  31 CFLAGS="-nopie"
  32 AC_MSG_CHECKING([whether CC supports -nopie])
  33 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
  34     [AC_MSG_RESULT([yes])]
  35     [nopie="-nopie"],
  36     [AC_MSG_RESULT([no])]
  37 )
  38 CFLAGS="$oldcflags"
  39
  40 if test "x$nopie" = "x"
  41 then
  42         oldcflags="$CFLAGS"
  43         CFLAGS="-no-pie"
  44         AC_MSG_CHECKING([whether CC supports -no-pie])
  45         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
  46                 [AC_MSG_RESULT([yes])]
  47                 [nopie="-no-pie"],
  48                 [AC_MSG_RESULT([no])]
  49         )
  50         CFLAGS="$oldcflags"
  51 fi
  52
  53 MYDEFS=""
  54
  55 ed25519impl=""
  56 AC_ARG_ENABLE([ref10],
  57         [AS_HELP_STRING([--enable-ref10],
  58                 [use SUPERCOP ref10 ed25519 implementation @<:@default=yes@:>@])],
  59         [
  60                 AS_IF([test "x$ed25519impl" != "x" -a "$ed25519impl" != "ref10"],
  61                         [AC_ERROR([only one ed25519 implementation can be defined])])
  62                 ed25519impl="ref10"
  63         ],
  64         []
  65 )
  66
  67 AC_ARG_ENABLE([amd64-51-30k],
  68         [AS_HELP_STRING([--enable-amd64-51-30k],
  69                 [use SUPERCOP amd64-51-30k ed25519 implementation @<:@default=no@:>@])],
  70         [
  71                 AS_IF([test "x$ed25519impl" != "x" -a "$ed25519impl" != "amd64_51_30k"],
  72                         [AC_ERROR([only one ed25519 implementation can be defined])])
  73                 ed25519impl="amd64_51_30k"
  74         ],
  75         []
  76 )
  77
  78 AC_ARG_ENABLE([amd64-64-24k],
  79         [AS_HELP_STRING([--enable-amd64-64-24k],
  80                 [use SUPERCOP amd64-64-24k ed25519 implementation @<:@default=no@:>@])],
  81         [
  82                 AS_IF([test "x$ed25519impl" != "x" -a "$ed25519impl" != "amd64_64_24k"],
  83                         [AC_ERROR([only one ed25519 implementation can be defined])])
  84                 ed25519impl="amd64_64_24k"
  85         ],
  86         []
  87 )
  88
  89 AC_ARG_ENABLE([donna],
  90         [AS_HELP_STRING([--enable-donna],
  91                 [use ed25519-donna implementation @<:@default=no@:>@])],
  92         [
  93                 AS_IF([test "x$ed25519impl" != "x" -a "$ed25519impl" != "donna"],
  94                         [AC_ERROR([only one ed25519 implementation can be defined])])
  95                 ed25519impl="donna"
  96         ],
  97         []
  98 )
  99
 100 AC_ARG_ENABLE([donna-sse2],
 101         [AS_HELP_STRING([--enable-donna-sse2],
 102                 [use ed25519-donna SSE2 implementation @<:@default=no@:>@])],
 103         [
 104                 AS_IF([test "x$ed25519impl" != "x" -a "$ed25519impl" != "donna-sse2"],
 105                         [AC_ERROR([only one ed25519 implementation can be defined])])
 106                 ed25519impl="donna-sse2"
 107         ],
 108         []
 109 )
 110
 111 AS_IF([test "x$ed25519impl" == "x"],[ed25519impl=ref10])
 112
 113 if test "$ed25519impl" = "donna-sse2"
 114 then
 115         ed25519impl="donna"
 116         MYDEFS="$MYDEFS -DED25519_SSE2"
 117         CFLAGS="$CFLAGS -msse2"
 118 fi
 119
 120 AC_ARG_ENABLE([intfilter],
 121         [AS_HELP_STRING([--enable-intfilter@<:@=(32|64|128|native)@:>@],
 122                 [use integers of specific size @<:@default=64@:>@ for filtering. faster but limits filter length to: 6 for 32-bit, 12 for 64-bit, 24 for 128-bit @<:@default=no@:>@])],
 123         [], [enable_intfilter=no]
 124 )
 125 AC_ARG_ENABLE([intfilter32],
 126         [AS_HELP_STRING([--enable-intfilter32], [deprecated. use --enable-intfilter=32 instead])],
 127         [enable_intfilter=32]
 128         [AC_MSG_WARN([--enable-intfilter32 option is deprecated. use --enable-intfilter=32 instead])],
 129         []
 130 )
 131 case "$enable_intfilter" in
 132 32)
 133         intfiltertype="u32"
 134         ;;
 135 64|yes)
 136         intfiltertype="u64"
 137         ;;
 138 128)
 139         intfiltertype="unsigned __int128"
 140         ;;
 141 native)
 142         intfiltertype="size_t"
 143         ;;
 144 no)
 145         intfiltertype=""
 146         ;;
 147 *)
 148         AC_MSG_WARN([unrecognised intfilter type: $enable_intfilter])
 149         intfiltertype=""
 150         ;;
 151 esac
 152
 153 if test -n "$intfiltertype"
 154 then
 155         MYDEFS="$MYDEFS -DINTFILTER -DIFT='$intfiltertype'"
 156 fi
 157
 158 cstd=""
 159 c99=""
 160 oldcflags="$CFLAGS"
 161 CFLAGS="-std=c99"
 162 AC_MSG_CHECKING([whether CC supports -std=c99])
 163 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
 164     [AC_MSG_RESULT([yes])]
 165     [c99="yes"]
 166     [cstd="-std=c99"],
 167     [AC_MSG_RESULT([no])]
 168 )
 169 CFLAGS="$cstd -Wall"
 170 AC_MSG_CHECKING([whether CC supports -Wall])
 171 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
 172     [AC_MSG_RESULT([yes])]
 173     [cstd="$cstd -Wall"],
 174     [AC_MSG_RESULT([no])]
 175 )
 176 if test "x$c99" = "xyes" -a "x$ed25519impl" != "xdonna" -a "x$enable_intfilter" != "x128"
 177 then
 178         CFLAGS="$cstd -Wpedantic"
 179         AC_MSG_CHECKING([whether CC supports -Wpedantic])
 180         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
 181                 [AC_MSG_RESULT([yes])]
 182                 [cstd="$cstd -Wpedantic"],
 183                 [AC_MSG_RESULT([no])]
 184         )
 185 fi
 186 if test "x$ed25519impl" = "xdonna"
 187 then
 188         CFLAGS="$cstd -Wno-unused-function"
 189         AC_MSG_CHECKING([whether CC supports -Wno-unused-function])
 190         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([])],
 191                 [AC_MSG_RESULT([yes])]
 192                 [cstd="$cstd -Wno-unused-function"],
 193                 [AC_MSG_RESULT([no])]
 194         )
 195 fi
 196 CFLAGS="$oldcflags"
 197
 198 AC_ARG_ENABLE([binfilterlen],
 199         [AS_HELP_STRING([--enable-binfilterlen=VAL],
 200                 [set binary string filter length (if you don't use intfilter) @<:@default=32@:>@])],
 201         [], [enable_binfilterlen=no]
 202 )
 203 if test "x$enable_binfilterlen" != "xyes" -a "x$enable_binfilterlen" != "xno"
 204 then
 205         MYDEFS="$MYDEFS -DBINFILTERLEN=$enable_binfilterlen"
 206 fi
 207
 208 AC_ARG_ENABLE([binsearch],
 209         [AS_HELP_STRING([--enable-binsearch],
 210                 [enable binary search algoritm; MUCH faster if there are a lot of filters @<:@default=no@:>@])],
 211         [], [enable_binsearch=no]
 212 )
 213 if test "x$enable_binsearch" = "xyes"
 214 then
 215         MYDEFS="$MYDEFS -DBINSEARCH"
 216 fi
 217
 218 AC_ARG_ENABLE([besort],
 219         [AS_HELP_STRING([--enable-besort],
 220                 [force intfilter binsearch case to use big endian sorting and not omit masks from filters; useful if your filters aren't of same length @<:@default=no@:>@])],
 221         [], [enable_besort=no]
 222 )
 223 if test "x$enable_besort" = "xyes"
 224 then
 225         MYDEFS="$MYDEFS -DBESORT"
 226 fi
 227
 228 AC_ARG_ENABLE([statistics],
 229         [AS_HELP_STRING([--enable-statistics],
 230                 [collect statistics @<:@default=yes@:>@])],
 231         [], [enable_statistics=yes]
 232 )
 233 if test "x$enable_statistics" = "xyes"
 234 then
 235         MYDEFS="$MYDEFS -DSTATISTICS"
 236 fi
 237
 238 AC_SUBST(CSTD,["$cstd"])
 239 AC_SUBST(ED25519IMPL,["$ed25519impl"])
 240 AC_SUBST(MYDEFS,["$MYDEFS"])
 241 AC_SUBST(NOPIE,["$nopie"])
 242 AC_OUTPUT(Makefile)