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Lines 22-44
AC_DEFUN([AX_C_FLOAT_WORDS_BIGENDIAN],
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# file, the target platform stores float words in big-endian order. If grep |
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# file, the target platform stores float words in big-endian order. If grep |
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# finds "seesnoon", float words are in little-endian order. If neither value |
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# finds "seesnoon", float words are in little-endian order. If neither value |
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# is found, the user is instructed to specify the ordering. |
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# is found, the user is instructed to specify the ordering. |
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ax_cv_c_float_words_bigendian=unknown |
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ax_cv_c_float_words_bigendian=unknown |
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AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
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AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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double d = 90904234967036810337470478905505011476211692735615632014797120844053488865816695273723469097858056257517020191247487429516932130503560650002327564517570778480236724525140520121371739201496540132640109977779420565776568942592.0; |
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double d __attribute__((used)) = 90904234967036810337470478905505011476211692735615632014797120844053488865816695273723469097858056257517020191247487429516932130503560650002327564517570778480236724525140520121371739201496540132640109977779420565776568942592.0; |
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int main() { return 0; } |
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]])], [ |
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]])], [ |
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# allow users to override default 'strings' with 'llvm-strings' |
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# allow users to override default 'strings' with 'llvm-strings' |
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# or ${CHOST}-strings. |
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# or ${CHOST}-strings. |
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AC_CHECK_TOOL([STRINGS], [strings]) |
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AC_CHECK_TOOL([STRINGS], [strings]) |
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if $STRINGS - conftest.$ac_objext | grep noonsees >/dev/null ; then |
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if $STRINGS - conftest | grep noonsees >/dev/null ; then |
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ax_cv_c_float_words_bigendian=yes |
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ax_cv_c_float_words_bigendian=yes |
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fi |
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fi |
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if $STRINGS - conftest.$ac_objext | grep seesnoon >/dev/null ; then |
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if $STRINGS - conftest | grep seesnoon >/dev/null ; then |
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if test "$ax_cv_c_float_words_bigendian" = unknown; then |
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if test "$ax_cv_c_float_words_bigendian" = unknown; then |
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ax_cv_c_float_words_bigendian=no |
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ax_cv_c_float_words_bigendian=no |
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else |
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else |
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ax_cv_c_float_words_bigendian=unknown |
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ax_cv_c_float_words_bigendian=unknown |
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fi |
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fi |
