OSX package: Check for 64-bit Intel CPU before installing.

make_osx_package.sh

@@ -4,6 +4,7 @@ DIST=osx_package
 VERSION=$(grep -e '^Version' pandoc.cabal | awk '{print $2}')
 RESOURCES=$DIST/Resources
 ROOT=$DIST/pandoc
+SCRIPTS=osx-resources
 BASE=pandoc-$VERSION
 ME=jgm
 
@@ -36,6 +37,7 @@ $PACKAGEMAKER \
     --resources $RESOURCES \
     --version $VERSION \
     --no-relocate \
+    --scripts $SCRIPTS \
     --out $BASE.pkg
 
 echo Creating disk image...

osx-resources/InstallationCheck

@@ -0,0 +1,14 @@
+#!/bin/sh
+cputype=`sysctl -n hw.cputype`
+sixtyfourbit=`sysctl -n hw.cpu64bit_capable`
+
+if [ "x$cputype" != "x7" ] # x86
+then
+  exit 112
+fi
+
+if [ "x$sixtyfourbit" != "x1" ] # 64 bit
+then
+  exit 113
+fi
+

osx-resources/InstallationCheck.strings

@@ -0,0 +1,3 @@
+"16" = "This installer works only on Intel Macs.";
+"17" = "This installer requires a 64-bit processor.";
+