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Lines 230-266
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| 230 |
esac |
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esac |
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dnl Figure out packing order of structures |
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dnl Figure out packing order of structures |
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AC_MSG_CHECKING([packing order of bit fields]) |
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AC_C_BIGENDIAN() |
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AC_TRY_RUN([ |
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union foo { |
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struct bar { |
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unsigned int ver:4; |
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unsigned int type:4; |
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} bb; |
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unsigned char baz; |
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}; |
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int |
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if test "$ac_cv_c_bigendian" = "yes" ; then |
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main(void) |
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{ |
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union foo x; |
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x.bb.ver = 1; |
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x.bb.type = 2; |
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if (x.baz == 0x21) { |
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return 1; |
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} else if (x.baz == 0x12) { |
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return 0; |
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} else { |
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return 2; |
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} |
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}], rpppoe_cv_pack_bitfields=normal, rpppoe_cv_pack_bitfields=rev, |
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$ECHO "no defaults for cross-compiling"; exit 0) |
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if test "$rpppoe_cv_pack_bitfields" = "rev" ; then |
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AC_MSG_RESULT(reversed) |
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AC_DEFINE(PACK_BITFIELDS_REVERSED, 1, [Define if bitfields are packed in reverse order]) |
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AC_DEFINE(PACK_BITFIELDS_REVERSED, 1, [Define if bitfields are packed in reverse order]) |
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else |
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AC_MSG_RESULT(normal) |
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fi |
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fi |
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# Sigh... got to fix this up for tcl |
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# Sigh... got to fix this up for tcl |
