1 | #serial 99 |
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2 | |
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3 | AC_DEFUN([AC_ENABLE_MULTILIB], |
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4 | [ |
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5 | AC_ARG_ENABLE(multilib, |
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6 | AC_HELP_STRING([--enable-multilib], |
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7 | [build many library versions (default=no)]), |
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8 | [case "${enableval}" in |
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9 | yes) multilib=yes ;; |
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10 | no) multilib=no ;; |
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11 | *) AC_MSG_ERROR(bad value ${enableval} for multilib option) ;; |
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12 | esac], [multilib=no])dnl |
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13 | |
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14 | AM_CONDITIONAL(MULTILIB,test x"${multilib}" = x"yes") |
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15 | |
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16 | dnl We may get other options which we don't document: |
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17 | dnl --with-target-subdir, --with-multisrctop, --with-multisubdir |
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18 | |
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19 | if test "[$]{srcdir}" = "."; then |
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20 | if test "[$]{with_target_subdir}" != "."; then |
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21 | multilib_basedir="[$]{srcdir}/[$]{with_multisrctop}../ifelse([$2],,,[$2])" |
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22 | else |
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23 | multilib_basedir="[$]{srcdir}/[$]{with_multisrctop}ifelse([$2],,,[$2])" |
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24 | fi |
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25 | else |
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26 | multilib_basedir="[$]{srcdir}/ifelse([$2],,,[$2])" |
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27 | fi |
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28 | AC_SUBST(multilib_basedir) |
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29 | |
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30 | if test "${multilib}" = "yes"; then |
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31 | multilib_arg="--enable-multilib" |
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32 | else |
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33 | multilib_arg= |
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34 | fi |
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35 | |
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36 | AC_OUTPUT_COMMANDS( |
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37 | [case " $CONFIG_FILES " in |
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38 | *" ]m4_if([$1],,Makefile,[$1])[ "*) |
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39 | ac_file=]m4_if([$1],,Makefile,[$1])[ . ${multilib_basedir}/config-ml.in |
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40 | esac], |
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41 | [ |
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42 | srcdir=${srcdir} |
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43 | host=${host} |
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44 | target=${target} |
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45 | with_multisrctop="${with_multisrctop}" |
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46 | with_target_subdir="${with_target_subdir}" |
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47 | with_multisubdir="${with_multisubdir}" |
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48 | ac_configure_args="${multilib_arg} ${ac_configure_args}" |
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49 | CONFIG_SHELL=${CONFIG_SHELL-/bin/sh} |
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50 | multilib_basedir=${multilib_basedir} |
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51 | CC="${CC}"] |
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52 | ) |
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53 | ]) |
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