{ stdenv, fetchurl }: stdenv.mkDerivation rec { name = "apr-1.3.9"; src = fetchurl { url = "mirror://apache/apr/${name}.tar.bz2"; sha256 = "1qicxnk62d9mjza8vch2wxy4xlq8sa76chwi5cp6bs4cyj9s61ap"; }; configureFlags = # Including the Windows headers breaks unistd.h. # Based on ftp://sourceware.org/pub/cygwin/release/libapr1/libapr1-1.3.8-2-src.tar.bz2 stdenv.lib.optionalString (stdenv.system == "i686-cygwin") "ac_cv_header_windows_h=no"; meta = { homepage = http://apr.apache.org/; description = "The Apache Portable Runtime library"; }; }