Index: build/workspaces/build-osx-bundle.sh
===================================================================
--- build/workspaces/build-osx-bundle.sh    (revision 21914)
+++ build/workspaces/build-osx-bundle.sh    (working copy)
@@ -22,13 +22,15 @@
 # Choices are "x86_64" or  "i386" (ppc and ppc64 not supported)
 export ARCH=${ARCH:="x86_64"}

-OSX_VERSION=`sw_vers -productVersion | grep -Eo "^\d+.\d+"`
+# OSX_VERSION=`sw_vers -productVersion | grep -Eo "^\d+.\d+"`
+OSX_VERSION=10.14
+
 # Set SDK and mimimum required OS X version
 export SYSROOT=${SYSROOT:="/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX$OSX_VERSION.sdk"}
-export MIN_OSX_VERSION=${MIN_OSX_VERSION:="10.7"}
+export MIN_OSX_VERSION=${MIN_OSX_VERSION:="10.8"}

 # 0 A.D. release version, e.g. Alpha 21 is 0.0.21
-BUNDLE_VERSION=${BUNDLE_VERSION:="0.0.X"}
+BUNDLE_VERSION=${BUNDLE_VERSION:="0.0.24"}

 # Define compiler as "clang", this is all Mavericks supports.
 # gcc symlinks may still exist, but they are simply clang with
Index: libraries/osx/build-osx-libs.sh
===================================================================
--- libraries/osx/build-osx-libs.sh (revision 21914)
+++ libraries/osx/build-osx-libs.sh (working copy)
@@ -516,7 +516,7 @@
   tar -xf $LIB_ARCHIVE
   pushd $LIB_DIRECTORY/nspr

-  (CFLAGS="$CFLAGS" CXXFLAGS="$CXXFLAGS" LDFLAGS="$LDFLAGS" ./configure --prefix="$NSPR_DIR" && make ${JOBS} && make install) || die "NSPR build failed"
+  (CFLAGS="$CFLAGS" CXXFLAGS="$CXXFLAGS" LDFLAGS="$LDFLAGS" ./configure --prefix="$NSPR_DIR" --enable-64bit && make ${JOBS} && make install) || die "NSPR build failed"
   popd
   # TODO: how can we not build the dylibs?
   rm -f lib/*.dylib