4.104.114.84.95
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1 | dnl |
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2 | dnl $Id$ |
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3 | dnl |
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4 | |
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5 | dnl check for i386 gas supporting 16 bit mode |
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6 | dnl - binutils 2.9.1.0.7 and higher |
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7 | |
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8 | AC_DEFUN(RTEMS_I386_GAS_CODE16, |
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9 | if test "${target_cpu}" = "i386"; then |
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10 | AC_CACHE_CHECK([for 16 bit mode assembler support], |
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11 | rtems_cv_prog_gas_code16, |
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12 | [cat > conftest.s << EOF |
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13 | .code16 |
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14 | data32 |
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15 | addr32 |
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16 | lgdt 0 |
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17 | EOF |
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18 | if AC_TRY_COMMAND($AS_FOR_TARGET -o conftest.o conftest.s); then |
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19 | rtems_cv_prog_gas_code16=yes |
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20 | else |
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21 | rtems_cv_prog_gas_code16=no |
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22 | fi]) |
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23 | RTEMS_GAS_CODE16="$rtems_cv_prog_gas_code16" |
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24 | fi |
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25 | ) |
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26 | |
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