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     AC_DEFINE(HAVE_LC_MESSAGES)
  47     ;;
  48
  49   *djgpp)
  50     # GLIBCXX_CHECK_MATH_SUPPORT
  51     AC_DEFINE(HAVE_LIBM)
  52     AC_DEFINE(HAVE_ISINF)
  53     AC_DEFINE(HAVE_ISNAN)
  54     AC_DEFINE(HAVE_FINITE)
  55     AC_DEFINE(HAVE_COPYSIGN)
  56     AC_DEFINE(HAVE_SINCOS)
  57     AC_DEFINE(HAVE_HYPOT)
  58     # GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
  59     AC_DEFINE(HAVE___BUILTIN_ABS)
  60     AC_DEFINE(HAVE___BUILTIN_FABSF)
  61     AC_DEFINE(HAVE___BUILTIN_FABS)
  62     AC_DEFINE(HAVE___BUILTIN_FABSL)
  63     AC_DEFINE(HAVE___BUILTIN_LABS)
  64     AC_DEFINE(HAVE___BUILTIN_SQRTF)
  65     AC_DEFINE(HAVE___BUILTIN_SQRT)
  66     AC_DEFINE(HAVE___BUILTIN_SQRTL)
  67     AC_DEFINE(HAVE___BUILTIN_SINF)
  68     AC_DEFINE(HAVE___BUILTIN_SIN)
  69     AC_DEFINE(HAVE___BUILTIN_SINL)
  70     AC_DEFINE(HAVE___BUILTIN_COSF)
  71     AC_DEFINE(HAVE___BUILTIN_COS)
  72     AC_DEFINE(HAVE___BUILTIN_COSL)
  73     # GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
  74     # GLIBCXX_CHECK_STDLIB_SUPPORT
  75     AC_DEFINE(HAVE_COPYSIGN)
  76     AC_DEFINE(HAVE_COPYSIGNF)
  77     ;;
  78
  79   *-freebsd*)
  80     SECTION_FLAGS='-ffunction-sections -fdata-sections'
  81     AC_SUBST(SECTION_FLAGS)
  82     GLIBCXX_CHECK_LINKER_FEATURES
  83     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
  84     AC_DEFINE(HAVE_LC_MESSAGES)
  85     AC_DEFINE(HAVE_SETENV)
  86     AC_DEFINE(HAVE_COPYSIGN)
  87     AC_DEFINE(HAVE_COPYSIGNF)
  88     AC_DEFINE(HAVE_FINITEF)
  89     AC_DEFINE(HAVE_FINITE)
  90     AC_DEFINE(HAVE_FREXPF)
  91     AC_DEFINE(HAVE_HYPOT)
  92     AC_DEFINE(HAVE_HYPOTF)
  93     AC_DEFINE(HAVE_ISINF)
  94     AC_DEFINE(HAVE_ISNAN)
  95     AC_DEFINE(HAVE_ISNANF)
  96
  97     AC_DEFINE(HAVE_ACOSF)
  98     AC_DEFINE(HAVE_ASINF)
  99     AC_DEFINE(HAVE_ATAN2F)
 100     AC_DEFINE(HAVE_ATANF)
 101     AC_DEFINE(HAVE_CEILF)
 102     AC_DEFINE(HAVE_COPYSIGN)
 103     AC_DEFINE(HAVE_COPYSIGNF)
 104     AC_DEFINE(HAVE_COSF)
 105     AC_DEFINE(HAVE_COSHF)
 106     AC_DEFINE(HAVE_EXPF)
 107     AC_DEFINE(HAVE_FABSF)
 108     AC_DEFINE(HAVE_FLOORF)
 109     AC_DEFINE(HAVE_FMODF)
 110     AC_DEFINE(HAVE_FREXPF)
 111     AC_DEFINE(HAVE_LDEXPF)
 112     AC_DEFINE(HAVE_LOG10F)
 113     AC_DEFINE(HAVE_LOGF)
 114     AC_DEFINE(HAVE_MODFF)
 115     AC_DEFINE(HAVE_POWF)
 116     AC_DEFINE(HAVE_SINF)
 117     AC_DEFINE(HAVE_SINHF)
 118     AC_DEFINE(HAVE_SQRTF)
 119     AC_DEFINE(HAVE_TANF)
 120     AC_DEFINE(HAVE_TANHF)
 121     if test x"long_double_math_on_this_cpu" = x"yes"; then
 122       AC_DEFINE(HAVE_FINITEL)
 123       AC_DEFINE(HAVE_ISINFL)
 124       AC_DEFINE(HAVE_ISNANL)
 125     fi
 126     ;;
 127   *-hpux*)
 128     SECTION_FLAGS='-ffunction-sections -fdata-sections'
 129     AC_SUBST(SECTION_FLAGS)
 130     GLIBCXX_CHECK_LINKER_FEATURES
 131     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
 132     AC_DEFINE(HAVE_COPYSIGN)
 133     AC_DEFINE(HAVE_COPYSIGNF)
 134     AC_DEFINE(HAVE_FREXPF)
 135     AC_DEFINE(HAVE_HYPOT)
 136     case "$target" in
 137       *-hpux10*)
 138         AC_DEFINE(HAVE_FINITE)
 139         AC_DEFINE(HAVE_FINITEF)
 140         AC_DEFINE(HAVE_ISINF)
 141         AC_DEFINE(HAVE_ISINFF)
 142         AC_DEFINE(HAVE_ISNAN)
 143         AC_DEFINE(HAVE_ISNANF)
 144         ;;
 145     esac
 146     ;;
 147   *-linux* | *-uclinux* | *-gnu* | *-kfreebsd*-gnu | *-knetbsd*-gnu)
 148     SECTION_FLAGS='-ffunction-sections -fdata-sections'
 149     AC_SUBST(SECTION_FLAGS)
 150     GLIBCXX_CHECK_COMPILER_FEATURES
 151     GLIBCXX_CHECK_LINKER_FEATURES
 152     GLIBCXX_CHECK_MATH_SUPPORT
 153     GLIBCXX_CHECK_BUILTIN_MATH_SUPPORT
 154     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
 155     GLIBCXX_CHECK_STDLIB_SUPPORT
 156
 157     AC_DEFINE(_GLIBCXX_USE_RANDOM_TR1)
 158
 159     AC_LC_MESSAGES
 160
 161     # For iconv support.
 162     AM_ICONV
 163     ;;
 164   *-mingw32*)
 165     AC_DEFINE(HAVE_STRTOF)
 166     AC_DEFINE(HAVE_STRTOLD)
 167     GLIBCXX_CHECK_LINKER_FEATURES
 168     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
 169     ;;
 170   *-netbsd*)
 171     SECTION_FLAGS='-ffunction-sections -fdata-sections'
 172     AC_SUBST(SECTION_FLAGS)
 173     GLIBCXX_CHECK_LINKER_FEATURES
 174     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
 175     AC_DEFINE(HAVE_COPYSIGN)
 176     AC_DEFINE(HAVE_COPYSIGNF)
 177     AC_DEFINE(HAVE_FINITEF)
 178     AC_DEFINE(HAVE_FINITE)
 179     AC_DEFINE(HAVE_FREXPF)
 180     AC_DEFINE(HAVE_HYPOTF)
 181     AC_DEFINE(HAVE_ISINF)
 182     AC_DEFINE(HAVE_ISINFF)
 183     AC_DEFINE(HAVE_ISNAN)
 184     AC_DEFINE(HAVE_ISNANF)
 185     if test x"long_double_math_on_this_cpu" = x"yes"; then
 186       AC_DEFINE(HAVE_FINITEL)
 187       AC_DEFINE(HAVE_ISINFL)
 188       AC_DEFINE(HAVE_ISNANL)
 189     fi
 190     ;;
 191   *-netware)
 192     SECTION_FLAGS='-ffunction-sections -fdata-sections'
 193     AC_SUBST(SECTION_FLAGS)
 194     GLIBCXX_CHECK_LINKER_FEATURES
 195     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
 196     AC_DEFINE(HAVE_HYPOT)
 197     AC_DEFINE(HAVE_ISINF)
 198     AC_DEFINE(HAVE_ISNAN)
 199     ;;
 200   *-qnx6.1* | *-qnx6.2*)
 201     SECTION_FLAGS='-ffunction-sections -fdata-sections'
 202     AC_SUBST(SECTION_FLAGS)
 203     GLIBCXX_CHECK_LINKER_FEATURES
 204     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
 205     AC_DEFINE(HAVE_COSF)
 206     AC_DEFINE(HAVE_COSL)
 207     AC_DEFINE(HAVE_COSHF)
 208     AC_DEFINE(HAVE_COSHL)
 209     AC_DEFINE(HAVE_LOGF)
 210     AC_DEFINE(HAVE_LOGL)
 211     AC_DEFINE(HAVE_LOG10F)
 212     AC_DEFINE(HAVE_LOG10L)
 213     AC_DEFINE(HAVE_SINF)
 214     AC_DEFINE(HAVE_SINL)
 215     AC_DEFINE(HAVE_SINHF)
 216     AC_DEFINE(HAVE_SINHL)
 217     ;;
 218   *-solaris*)
 219     case "$target" in
 220       *-solaris2.7 | *-solaris2.8 | *-solaris2.9 | *-solaris2.10)
 221          GLIBCXX_CHECK_LINKER_FEATURES
 222          AC_DEFINE(HAVE_MBSTATE_T)
 223          AC_DEFINE(HAVE_LC_MESSAGES)
 224          AC_DEFINE(HAVE_FINITE)
 225          AC_DEFINE(HAVE_FPCLASS)
 226          # All of the dependencies for wide character support are here, so
 227          # turn it on.
 228          AC_DEFINE(_GLIBCXX_USE_WCHAR_T)
 229
 230          AC_DEFINE(HAVE_LIBM)
 231         ;;
 232     esac
 233     case "$target" in
 234       sparc*-*-solaris2.8 | sparc*-*-solaris2.9 | sparc*-*-solaris2.10)
 235         # I saw these on sparc-sun-solaris2.8, but not 2.6, and not on i386
 236         AC_DEFINE(HAVE___BUILTIN_ABS)
 237         AC_DEFINE(HAVE___BUILTIN_LABS)
 238         AC_DEFINE(HAVE___BUILTIN_FABS)
 239         AC_DEFINE(HAVE___BUILTIN_FABSF)
 240         AC_DEFINE(HAVE___BUILTIN_FABSL)
 241         AC_DEFINE(HAVE___BUILTIN_COS)
 242         AC_DEFINE(HAVE___BUILTIN_COSF)
 243         AC_DEFINE(HAVE___BUILTIN_SIN)
 244         AC_DEFINE(HAVE___BUILTIN_SINF)
 245        ;;
 246     esac
 247     case "$target" in
 248       *-*-solaris2.10)
 249       # These two C99 functions are present only in Solaris >= 10
 250       AC_DEFINE(HAVE_STRTOF)
 251       AC_DEFINE(HAVE_STRTOLD)
 252      ;;
 253     esac
 254     AC_DEFINE(HAVE_COPYSIGN)
 255     AC_DEFINE(HAVE_ISNAN)
 256     AC_DEFINE(HAVE_ISNANF)
 257     AC_DEFINE(HAVE_MODFF)
 258     AC_DEFINE(HAVE_HYPOT)
 259     ;;
 260   *-tpf)
 261     SECTION_FLAGS='-ffunction-sections -fdata-sections'
 262     AC_SUBST(SECTION_FLAGS)
 263     GLIBCXX_CHECK_LINKER_FEATURES
 264     GLIBCXX_CHECK_COMPLEX_MATH_SUPPORT
 265     AC_DEFINE(HAVE_COPYSIGN)
 266     AC_DEFINE(HAVE_COPYSIGNF)
 267     AC_DEFINE(HAVE_FINITE)
 268     AC_DEFINE(HAVE_FINITEF)
 269     AC_DEFINE(HAVE_FREXPF)
 270     AC_DEFINE(HAVE_HYPOTF)
 271     AC_DEFINE(HAVE_ISINF)
 272     AC_DEFINE(HAVE_ISINFF)
 273     AC_DEFINE(HAVE_ISNAN)
 274     AC_DEFINE(HAVE_ISNANF)
 275     AC_DEFINE(HAVE_SINCOS)
 276     AC_DEFINE(HAVE_SINCOSF)
 277     if test x"long_double_math_on_this_cpu" = x"yes"; then
 278       AC_DEFINE(HAVE_FINITEL)
 279       AC_DEFINE(HAVE_HYPOTL)
 280       AC_DEFINE(HAVE_ISINFL)
 281       AC_DEFINE(HAVE_ISNANL)
 282     fi
 283     ;;
 284   *-vxworks)
 285     AC_DEFINE(HAVE_ACOSF)
 286     AC_DEFINE(HAVE_ASINF)
 287     AC_DEFINE(HAVE_ATAN2F)
 288     AC_DEFINE(HAVE_ATANF)
 289     AC_DEFINE(HAVE_CEILF)
 290     AC_DEFINE(HAVE_COSF)
 291     AC_DEFINE(HAVE_COSHF)
 292     AC_DEFINE(HAVE_EXPF)
 293     AC_DEFINE(HAVE_FABSF)
 294     AC_DEFINE(HAVE_FLOORF)
 295     AC_DEFINE(HAVE_FMODF)
 296     AC_DEFINE(HAVE_HYPOT)
 297     AC_DEFINE(HAVE_LOG10F)
 298     AC_DEFINE(HAVE_LOGF)
 299     AC_DEFINE(HAVE_POWF)
 300     AC_DEFINE(HAVE_SINF)
 301     AC_DEFINE(HAVE_SINHF)
 302     AC_DEFINE(HAVE_SQRTF)
 303     AC_DEFINE(HAVE_TANF)
 304     AC_DEFINE(HAVE_TANHF)
 305     ;;
 306   *)
 307     AC_MSG_ERROR([No support for this host/target combination.])
 308    ;;
 309 esac
 310 ])