libstdc++-v3/crossconfig.m4

   1 dnl
   2 dnl This file contains details for non-native builds.
   3 dnl
   4
   5 AC_DEFUN([GLIBCXX_CROSSCONFIG],[
   6 # Base decisions on target environment.
   7 case "${host}" in
   8   arm*-*-symbianelf*)
   9     # This is a freestanding configuration; there is nothing to do here.
  10     ;;
  11
  12   mips*-sde-elf*)
  13     # These definitions are for the SDE C library rather than newlib.
  14     SECTION_FLAGS='-ffunction-sections -fdata-sections'
  15     AC_SUBST(SECTION_FLAGS)
  16     GLIBCXX_CHECK_COMPILER_FEATURES
  17     GLIBCXX_CHECK_LINKER_FEATURES
  18     GLIBCXX_CHECK_MATH_SUPPORT
  19     GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
  20     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
  21     GLIBCXX_CHECK_STDLIB_SUPPORT
  22
  23     AC_DEFINE(HAVE_LIBM)
  24     AC_DEFINE(HAVE_COPYSIGN)
  25     AC_DEFINE(HAVE_FINITE)
  26     AC_DEFINE(HAVE_HYPOT)
  27     AC_DEFINE(HAVE_ISNAN)
  28     AC_DEFINE(HAVE_ISINF)
  29
  30     AC_DEFINE(HAVE_LDEXPF)
  31     AC_DEFINE(HAVE_MODF)
  32     AC_DEFINE(HAVE_SQRTF)
  33     ;;
  34
  35   *-darwin*)
  36     # Darwin versions vary, but the linker should work in a cross environment,
  37     # so we just check for all the features here.
  38     # Check for available headers.
  39
  40     # Don't call GLIBCXX_CHECK_LINKER_FEATURES, Darwin doesn't have a GNU ld
  41     GLIBCXX_CHECK_MATH_SUPPORT
  42     GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
  43     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
  44     GLIBCXX_CHECK_STDLIB_SUPPORT
  45     ;;
  46
  47   *djgpp)
  48     # GLIBCXX_CHECK_MATH_SUPPORT
  49     AC_DEFINE(HAVE_LIBM)
  50     AC_DEFINE(HAVE_ISINF)
  51     AC_DEFINE(HAVE_ISNAN)
  52     AC_DEFINE(HAVE_FINITE)
  53     AC_DEFINE(HAVE_COPYSIGN)
  54     AC_DEFINE(HAVE_SINCOS)
  55     AC_DEFINE(HAVE_HYPOT)
  56     # GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
  57     AC_DEFINE(HAVE___BUILTIN_ABS)
  58     AC_DEFINE(HAVE___BUILTIN_FABSF)
  59     AC_DEFINE(HAVE___BUILTIN_FABS)
  60     AC_DEFINE(HAVE___BUILTIN_FABSL)
  61     AC_DEFINE(HAVE___BUILTIN_LABS)
  62     AC_DEFINE(HAVE___BUILTIN_SQRTF)
  63     AC_DEFINE(HAVE___BUILTIN_SQRT)
  64     AC_DEFINE(HAVE___BUILTIN_SQRTL)
  65     AC_DEFINE(HAVE___BUILTIN_SINF)
  66     AC_DEFINE(HAVE___BUILTIN_SIN)
  67     AC_DEFINE(HAVE___BUILTIN_SINL)
  68     AC_DEFINE(HAVE___BUILTIN_COSF)
  69     AC_DEFINE(HAVE___BUILTIN_COS)
  70     AC_DEFINE(HAVE___BUILTIN_COSL)
  71     # GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
  72     # GLIBCXX_CHECK_STDLIB_SUPPORT
  73     AC_DEFINE(HAVE_COPYSIGN)
  74     AC_DEFINE(HAVE_COPYSIGNF)
  75     ;;
  76
  77   *-freebsd*)
  78     SECTION_FLAGS='-ffunction-sections -fdata-sections'
  79     AC_SUBST(SECTION_FLAGS)
  80     GLIBCXX_CHECK_LINKER_FEATURES
  81     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
  82     AC_DEFINE(HAVE_SETENV)
  83     AC_DEFINE(HAVE_COPYSIGN)
  84     AC_DEFINE(HAVE_COPYSIGNF)
  85     AC_DEFINE(HAVE_FINITEF)
  86     AC_DEFINE(HAVE_FINITE)
  87     AC_DEFINE(HAVE_FREXPF)
  88     AC_DEFINE(HAVE_HYPOT)
  89     AC_DEFINE(HAVE_HYPOTF)
  90     AC_DEFINE(HAVE_ISINF)
  91     AC_DEFINE(HAVE_ISNAN)
  92     AC_DEFINE(HAVE_ISNANF)
  93
  94     AC_DEFINE(HAVE_ACOSF)
  95     AC_DEFINE(HAVE_ASINF)
  96     AC_DEFINE(HAVE_ATAN2F)
  97     AC_DEFINE(HAVE_ATANF)
  98     AC_DEFINE(HAVE_CEILF)
  99     AC_DEFINE(HAVE_COPYSIGN)
 100     AC_DEFINE(HAVE_COPYSIGNF)
 101     AC_DEFINE(HAVE_COSF)
 102     AC_DEFINE(HAVE_COSHF)
 103     AC_DEFINE(HAVE_EXPF)
 104     AC_DEFINE(HAVE_FABSF)
 105     AC_DEFINE(HAVE_FLOORF)
 106     AC_DEFINE(HAVE_FMODF)
 107     AC_DEFINE(HAVE_FREXPF)
 108     AC_DEFINE(HAVE_LDEXPF)
 109     AC_DEFINE(HAVE_LOG10F)
 110     AC_DEFINE(HAVE_LOGF)
 111     AC_DEFINE(HAVE_MODFF)
 112     AC_DEFINE(HAVE_POWF)
 113     AC_DEFINE(HAVE_SINF)
 114     AC_DEFINE(HAVE_SINHF)
 115     AC_DEFINE(HAVE_SQRTF)
 116     AC_DEFINE(HAVE_TANF)
 117     AC_DEFINE(HAVE_TANHF)
 118     if test x"long_double_math_on_this_cpu" = x"yes"; then
 119       AC_DEFINE(HAVE_FINITEL)
 120       AC_DEFINE(HAVE_ISINFL)
 121       AC_DEFINE(HAVE_ISNANL)
 122     fi
 123     ;;
 124   *-hpux*)
 125     SECTION_FLAGS='-ffunction-sections -fdata-sections'
 126     AC_SUBST(SECTION_FLAGS)
 127     GLIBCXX_CHECK_LINKER_FEATURES
 128     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
 129     AC_DEFINE(HAVE_COPYSIGN)
 130     AC_DEFINE(HAVE_COPYSIGNF)
 131     AC_DEFINE(HAVE_FREXPF)
 132     AC_DEFINE(HAVE_HYPOT)
 133     case "$target" in
 134       *-hpux10*)
 135         AC_DEFINE(HAVE_FINITE)
 136         AC_DEFINE(HAVE_FINITEF)
 137         AC_DEFINE(HAVE_ISINF)
 138         AC_DEFINE(HAVE_ISINFF)
 139         AC_DEFINE(HAVE_ISNAN)
 140         AC_DEFINE(HAVE_ISNANF)
 141         ;;
 142     esac
 143     ;;
 144   *-linux* | *-uclinux* | *-gnu* | *-kfreebsd*-gnu | *-knetbsd*-gnu)
 145     SECTION_FLAGS='-ffunction-sections -fdata-sections'
 146     AC_SUBST(SECTION_FLAGS)
 147     GLIBCXX_CHECK_COMPILER_FEATURES
 148     GLIBCXX_CHECK_LINKER_FEATURES
 149     GLIBCXX_CHECK_MATH_SUPPORT
 150     GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
 151     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
 152     GLIBCXX_CHECK_STDLIB_SUPPORT
 153
 154     AC_DEFINE(_GLIBCXX_USE_RANDOM_TR1)
 155
 156     # For iconv support.
 157     AM_ICONV
 158     ;;
 159   *-mingw32*)
 160     AC_DEFINE(HAVE_STRTOF)
 161     AC_DEFINE(HAVE_STRTOLD)
 162     GLIBCXX_CHECK_LINKER_FEATURES
 163     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
 164     ;;
 165   *-netbsd*)
 166     SECTION_FLAGS='-ffunction-sections -fdata-sections'
 167     AC_SUBST(SECTION_FLAGS)
 168     GLIBCXX_CHECK_LINKER_FEATURES
 169     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
 170     AC_DEFINE(HAVE_COPYSIGN)
 171     AC_DEFINE(HAVE_COPYSIGNF)
 172     AC_DEFINE(HAVE_FINITEF)
 173     AC_DEFINE(HAVE_FINITE)
 174     AC_DEFINE(HAVE_FREXPF)
 175     AC_DEFINE(HAVE_HYPOTF)
 176     AC_DEFINE(HAVE_ISINF)
 177     AC_DEFINE(HAVE_ISINFF)
 178     AC_DEFINE(HAVE_ISNAN)
 179     AC_DEFINE(HAVE_ISNANF)
 180     if test x"long_double_math_on_this_cpu" = x"yes"; then
 181       AC_DEFINE(HAVE_FINITEL)
 182       AC_DEFINE(HAVE_ISINFL)
 183       AC_DEFINE(HAVE_ISNANL)
 184     fi
 185     ;;
 186   *-netware)
 187     SECTION_FLAGS='-ffunction-sections -fdata-sections'
 188     AC_SUBST(SECTION_FLAGS)
 189     GLIBCXX_CHECK_LINKER_FEATURES
 190     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
 191     AC_DEFINE(HAVE_HYPOT)
 192     AC_DEFINE(HAVE_ISINF)
 193     AC_DEFINE(HAVE_ISNAN)
 194     ;;
 195   *-qnx6.1* | *-qnx6.2*)
 196     SECTION_FLAGS='-ffunction-sections -fdata-sections'
 197     AC_SUBST(SECTION_FLAGS)
 198     GLIBCXX_CHECK_LINKER_FEATURES
 199     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
 200     AC_DEFINE(HAVE_COSF)
 201     AC_DEFINE(HAVE_COSL)
 202     AC_DEFINE(HAVE_COSHF)
 203     AC_DEFINE(HAVE_COSHL)
 204     AC_DEFINE(HAVE_LOGF)
 205     AC_DEFINE(HAVE_LOGL)
 206     AC_DEFINE(HAVE_LOG10F)
 207     AC_DEFINE(HAVE_LOG10L)
 208     AC_DEFINE(HAVE_SINF)
 209     AC_DEFINE(HAVE_SINL)
 210     AC_DEFINE(HAVE_SINHF)
 211     AC_DEFINE(HAVE_SINHL)
 212     ;;
 213   *-solaris*)
 214     case "$target" in
 215       *-solaris2.7 | *-solaris2.8 | *-solaris2.9 | *-solaris2.10)
 216          GLIBCXX_CHECK_LINKER_FEATURES
 217          AC_DEFINE(HAVE_MBSTATE_T)
 218          AC_DEFINE(HAVE_FINITE)
 219          AC_DEFINE(HAVE_FPCLASS)
 220          # All of the dependencies for wide character support are here, so
 221          # turn it on.
 222          AC_DEFINE(_GLIBCXX_USE_WCHAR_T)
 223
 224          AC_DEFINE(HAVE_LIBM)
 225         ;;
 226     esac
 227     case "$target" in
 228       sparc*-*-solaris2.8 | sparc*-*-solaris2.9 | sparc*-*-solaris2.10)
 229         # I saw these on sparc-sun-solaris2.8, but not 2.6, and not on i386
 230         AC_DEFINE(HAVE___BUILTIN_ABS)
 231         AC_DEFINE(HAVE___BUILTIN_LABS)
 232         AC_DEFINE(HAVE___BUILTIN_FABS)
 233         AC_DEFINE(HAVE___BUILTIN_FABSF)
 234         AC_DEFINE(HAVE___BUILTIN_FABSL)
 235         AC_DEFINE(HAVE___BUILTIN_COS)
 236         AC_DEFINE(HAVE___BUILTIN_COSF)
 237         AC_DEFINE(HAVE___BUILTIN_SIN)
 238         AC_DEFINE(HAVE___BUILTIN_SINF)
 239        ;;
 240     esac
 241     case "$target" in
 242       *-*-solaris2.10)
 243       # These two C99 functions are present only in Solaris >= 10
 244       AC_DEFINE(HAVE_STRTOF)
 245       AC_DEFINE(HAVE_STRTOLD)
 246      ;;
 247     esac
 248     AC_DEFINE(HAVE_COPYSIGN)
 249     AC_DEFINE(HAVE_ISNAN)
 250     AC_DEFINE(HAVE_ISNANF)
 251     AC_DEFINE(HAVE_MODFF)
 252     AC_DEFINE(HAVE_HYPOT)
 253     ;;
 254   *-tpf)
 255     SECTION_FLAGS='-ffunction-sections -fdata-sections'
 256     AC_SUBST(SECTION_FLAGS)
 257     GLIBCXX_CHECK_LINKER_FEATURES
 258     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
 259     AC_DEFINE(HAVE_COPYSIGN)
 260     AC_DEFINE(HAVE_COPYSIGNF)
 261     AC_DEFINE(HAVE_FINITE)
 262     AC_DEFINE(HAVE_FINITEF)
 263     AC_DEFINE(HAVE_FREXPF)
 264     AC_DEFINE(HAVE_HYPOTF)
 265     AC_DEFINE(HAVE_ISINF)
 266     AC_DEFINE(HAVE_ISINFF)
 267     AC_DEFINE(HAVE_ISNAN)
 268     AC_DEFINE(HAVE_ISNANF)
 269     AC_DEFINE(HAVE_SINCOS)
 270     AC_DEFINE(HAVE_SINCOSF)
 271     if test x"long_double_math_on_this_cpu" = x"yes"; then
 272       AC_DEFINE(HAVE_FINITEL)
 273       AC_DEFINE(HAVE_HYPOTL)
 274       AC_DEFINE(HAVE_ISINFL)
 275       AC_DEFINE(HAVE_ISNANL)
 276     fi
 277     ;;
 278   *-vxworks)
 279     AC_DEFINE(HAVE_ACOSF)
 280     AC_DEFINE(HAVE_ASINF)
 281     AC_DEFINE(HAVE_ATAN2F)
 282     AC_DEFINE(HAVE_ATANF)
 283     AC_DEFINE(HAVE_CEILF)
 284     AC_DEFINE(HAVE_COSF)
 285     AC_DEFINE(HAVE_COSHF)
 286     AC_DEFINE(HAVE_EXPF)
 287     AC_DEFINE(HAVE_FABSF)
 288     AC_DEFINE(HAVE_FLOORF)
 289     AC_DEFINE(HAVE_FMODF)
 290     AC_DEFINE(HAVE_HYPOT)
 291     AC_DEFINE(HAVE_LOG10F)
 292     AC_DEFINE(HAVE_LOGF)
 293     AC_DEFINE(HAVE_POWF)
 294     AC_DEFINE(HAVE_SINF)
 295     AC_DEFINE(HAVE_SINHF)
 296     AC_DEFINE(HAVE_SQRTF)
 297     AC_DEFINE(HAVE_TANF)
 298     AC_DEFINE(HAVE_TANHF)
 299     ;;
 300   *)
 301     AC_MSG_ERROR([No support for this host/target combination.])
 302    ;;
 303 esac
 304 ])