48 lines
1.2 KiB
Plaintext
48 lines
1.2 KiB
Plaintext
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# AC_LTDL_DLLIB
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# -------------
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AC_DEFUN([AC_LTDL_DLLIB],
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[LIBADD_DL=
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AC_SUBST(LIBADD_DL)
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AC_CHECK_FUNC([shl_load],
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[AC_DEFINE([HAVE_SHL_LOAD], [1],
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[Define if you have the shl_load function.])],
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[AC_CHECK_LIB([dld], [shl_load],
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[AC_DEFINE([HAVE_SHL_LOAD], [1],
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[Define if you have the shl_load function.])
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LIBADD_DL="$LIBADD_DL -ldld"],
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[AC_CHECK_LIB([dl], [dlopen],
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[AC_DEFINE([HAVE_LIBDL], [1],
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[Define if you have the libdl library or equivalent.])
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LIBADD_DL="-ldl"],
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[AC_TRY_LINK([#if HAVE_DLFCN_H
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# include <dlfcn.h>
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#endif
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],
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[dlopen(0, 0);],
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[AC_DEFINE([HAVE_LIBDL], [1],
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[Define if you have the libdl library or equivalent.])],
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[AC_CHECK_LIB([svld], [dlopen],
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[AC_DEFINE([HAVE_LIBDL], [1],
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[Define if you have the libdl library or equivalent.])
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LIBADD_DL="-lsvld"],
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[AC_CHECK_LIB([dld], [dld_link],
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[AC_DEFINE([HAVE_DLD], [1],
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[Define if you have the GNU dld library.])
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LIBADD_DL="$LIBADD_DL -ldld"
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])
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])
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])
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])
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])
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])
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if test "x$ac_cv_func_dlopen" = xyes || test "x$ac_cv_lib_dl_dlopen" = xyes; then
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LIBS_SAVE="$LIBS"
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LIBS="$LIBS $LIBADD_DL"
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AC_CHECK_FUNCS(dlerror)
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LIBS="$LIBS_SAVE"
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fi
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])# AC_LTDL_DLLIB
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