- if test "$with_zlib" != "no"; then
- { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing zlibVersion" >&5
-$as_echo_n "checking for library containing zlibVersion... " >&6; }
-if test "${ac_cv_search_zlibVersion+set}" = set; then :
- $as_echo_n "(cached) " >&6
-else
- ac_func_search_save_LIBS=$LIBS
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
-
-/* Override any GCC internal prototype to avoid an error.
- Use char because int might match the return type of a GCC
- builtin and then its argument prototype would still apply. */
-#ifdef __cplusplus
-extern "C"
-#endif
-char zlibVersion ();
-int
-main ()
-{
-return zlibVersion ();
- ;
- return 0;
-}
-_ACEOF
-for ac_lib in '' z; do
- if test -z "$ac_lib"; then
- ac_res="none required"
- else
- ac_res=-l$ac_lib
- LIBS="-l$ac_lib $ac_func_search_save_LIBS"
- fi
- if ac_fn_c_try_link "$LINENO"; then :
- ac_cv_search_zlibVersion=$ac_res
-fi
-rm -f core conftest.err conftest.$ac_objext \
- conftest$ac_exeext
- if test "${ac_cv_search_zlibVersion+set}" = set; then :
- break
-fi
-done
-if test "${ac_cv_search_zlibVersion+set}" = set; then :
-
-else
- ac_cv_search_zlibVersion=no
-fi
-rm conftest.$ac_ext
-LIBS=$ac_func_search_save_LIBS
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_zlibVersion" >&5
-$as_echo "$ac_cv_search_zlibVersion" >&6; }
-ac_res=$ac_cv_search_zlibVersion
-if test "$ac_res" != no; then :
- test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
- for ac_header in zlib.h
-do :
- ac_fn_c_check_header_mongrel "$LINENO" "zlib.h" "ac_cv_header_zlib_h" "$ac_includes_default"
-if test "x$ac_cv_header_zlib_h" = x""yes; then :
- cat >>confdefs.h <<_ACEOF
-#define HAVE_ZLIB_H 1
-_ACEOF
-
-fi
-
-done
-
-fi
-
- if test "$with_zlib" = "yes" -a "$ac_cv_header_zlib_h" != "yes"; then
- as_fn_error "zlib (libz) library was explicitly requested but not found" "$LINENO" 5
- fi
- fi