source/lib/replace/dlfcn.m4

   1 dnl dummies provided by dlfcn.c if not available
   2 save_LIBS="$LIBS"
   3 LIBS=""
   4
   5 libreplace_cv_dlfcn=no
   6 AC_SEARCH_LIBS(dlopen, dl)
   7
   8 if test x"${ac_cv_search_dlopen}" = x"no"; then
   9         libreplace_cv_dlfcn=yes
  10 else
  11         AC_CHECK_HEADERS(dlfcn.h)
  12         AC_CHECK_FUNCS([dlopen dlsym dlerror dlclose],[],[libreplace_cv_dlfcn=yes])
  13 fi
  14
  15 if test x"${libreplace_cv_dlfcn}" = x"yes";then
  16         LIBREPLACEOBJ="${LIBREPLACEOBJ} dlfcn.o"
  17 fi
  18
  19 LIBDL="$LIBS"
  20 AC_SUBST(LIBDL)
  21 LIBS="$save_LIBS"