Cleanup Mac build and subdirectory

mac/scripts/create_info_header.sh

@@ -0,0 +1,32 @@
+#!/bin/sh
+
+#
+# Here we create empty xcconfig files if they do not exist.  Otherwise,
+# the build will fail.
+#
+configs='Debug Release'
+for config in $configs
+do
+   if [ ! -f $TOPLEVEL/mac/$config.xcconfig ]
+   then 
+      touch $TOPLEVEL/mac/$config.xcconfig
+   fi
+done
+
+#
+# Generate the header file for preprocessing the Info.plist
+#
+# It's also used for create the distribution files
+#
+cd ${TOPLEVEL}
+eval $(gcc -E -dM src/Audacity.h | awk '/#define *AUDACITY_(VERSION|RELEASE|REVISION|MODLEVEL) /{print $2 "=" $3}')
+cat >mac/build/Info.plist.h <<EOF
+#define AUDACITY_EXECUTABLE Audacity
+#define AUDACITY_VERSION ${AUDACITY_VERSION}
+#define AUDACITY_RELEASE ${AUDACITY_RELEASE}
+#define AUDACITY_REVISION ${AUDACITY_REVISION}
+#define AUDACITY_DIST_VERSION ${AUDACITY_VERSION}.${AUDACITY_RELEASE}.${AUDACITY_REVISION}
+#define AUDACITY_INFO_VERSION ${AUDACITY_VERSION}.${AUDACITY_RELEASE}.${AUDACITY_REVISION}.${AUDACITY_MODLEVEL}
+EOF
+
+exit 0