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