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1 dnl aclocal.m4 --- Dynamically linked library support for XEmacs
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2 dnl Copyright (C) 1998 Free Software Foundation, Inc.
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3 dnl Author: William Perry <wmperry@aventail.com>
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4 dnl This file is part of XEmacs
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5
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6 AC_DEFUN(XE_MAKE_SHAREDLIB, [
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7 dll_ld="ld"
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8 dll_lflags="-shared"
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9 dll_cflags="-r"
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10 dll_oflags="-o "
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11
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12 AC_MSG_CHECKING(how to build a shared library)
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13 case `uname -rs` in
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14 UNIX_SV*|UNIX_System_V*)
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15 dll_lflags="-G"
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16 dll_cflags=-Kpic
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17 dll_ld="ld"
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18 ;;
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19 BSD/OS*)
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20 dll_cflags=
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21 dll_lflags="-r"
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22 dll_ld="shlicc2"
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23 ;;
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24 FreeBSD*2*)
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25 dll_lflags="-Bshareable"
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26 dll_cflags="-fPIC -DPIC"
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27 dll_ld=ld
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28 ;;
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29 SunOS*4.*)
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30 dll_cflags="-P"
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31 dll_lflags="-dp -assert pure-text -assert nodefinitions"
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32 ;;
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33 SunOS*5.*)
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34 dll_ld="cc"
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35 dll_cflags="-KPIC"
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36 dll_lflags="-G"
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37 dll_oflags="-W0,-y-o -W0,-y"
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38 ;;
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39 IRIX*5.*|IRIX*6.*)
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40 dll_cflags="-KPIC"
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41 ;;
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42 OSF1*)
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43 ;;
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44 HP-UX*)
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45 dll_ld="ld"
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46 dll_lflags="-b"
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47 dll_cflags="+z"
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48 ;;
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49 SCO_SV*)
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50 dll_ld="ld"
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51 dll_lflags="-G"
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52 dll_cflags="-Kpic"
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53 ;;
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54 AIX*)
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55 dll_lflags="-H512 -T512 -bhalt:4 -bM:SRE -bE:\${@:.ell=.exp} -b noentry -lc"
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56 dll_ld="ld"
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57 ;;
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58 *)
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59 ;;
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60 esac
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61
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62 if test "$GCC" = "yes" ; then
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63 dll_cflags="-fPIC"
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64 case `uname -rs` in
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65 SunOS*5.*)
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66 dll_ld="ld"
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67 dll_oflags="-o "
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68 dll_lflags="-G"
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69 ;;
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70 SCO_SV*)
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71 dll_ld="ld"
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72 dll_lflags="-G"
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73 dll_cflags="-b elf"
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74 ;;
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75 FreeBSD*)
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76 dll_cflags="-DDLSYM_NEEDS_UNDERSCORE -DPIC -fPIC"
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77 dll_lflags="-Bshareable"
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78 dll_ld=ld
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79 ;;
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80 BSD/OS*)
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81 dll_cflags=
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82 dll_lflags="-r"
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83 dll_ld="shlicc2"
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84 ;;
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85 UNIX_SV*)
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86 dll_cflags="-fPIC"
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87 ;;
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88 *)
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89 dll_ld="$CC"
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90 dll_lflags="-shared"
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91 esac
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92 fi
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93
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94 AC_MSG_RESULT("lflags: $dll_lflags cflags: $dll_cflags")
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95 AC_SUBST(dll_ld)
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96 AC_SUBST(dll_cflags)
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97 AC_SUBST(dll_oflags)
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98 AC_SUBST(dll_lflags)
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99 ])dnl
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