Merge pull request #142780 from trofi/sequential-xalanc

xalanc: explicitly disable parallel building

pkgs/development/libraries/xalanc/default.nix

@@ -22,6 +22,15 @@ in stdenv.mkDerivation rec {
 
   buildInputs = [ xercesc getopt ];
 
+  # Parallel build fails as:
+  #   c++ ... -c ... ExecutionContext.cpp
+  #   ProblemListenerBase.hpp:28:10: fatal error: LocalMsgIndex.hpp: No such file or directory
+  # The build failure happens due to missing intra-project dependencies
+  # against generated headers. Future 1.12 version dropped
+  # autotools-based build system. Let's disable parallel builds until
+  # next release.
+  enableParallelBuilding = false;
+
   meta = {
     homepage = "http://xalan.apache.org/";
     description = "A XSLT processor for transforming XML documents";