dnl dummies provided by dlfcn.c if not available save_LIBS="$LIBS" LIBS="" libreplace_cv_dlfcn=no AC_SEARCH_LIBS(dlopen, dl) AC_CHECK_HEADERS(dlfcn.h) AC_CHECK_FUNCS([dlopen dlsym dlerror dlclose],[],[libreplace_cv_dlfcn=yes]) libreplace_cv_shl=no AC_SEARCH_LIBS(shl_load, sl) AC_CHECK_HEADERS(dl.h) AC_CHECK_FUNCS([shl_load shl_unload shl_findsym],[],[libreplace_cv_shl=yes]) AC_VERIFY_C_PROTOTYPE([void *dlopen(const char* filename, unsigned int flags)], [ return 0; ],[ AC_DEFINE(DLOPEN_TAKES_UNSIGNED_FLAGS, 1, [Whether dlopen takes unsigned int flags]) ],[],[ #include <dlfcn.h> ]) if test x"${libreplace_cv_dlfcn}" = x"yes";then LIBREPLACEOBJ="${LIBREPLACEOBJ} dlfcn.o" fi LIBDL="$LIBS" AC_SUBST(LIBDL) LIBS="$save_LIBS"