By default, install the libraries into /opt/libjpeg-turbo/lib32 on any 32-bit system, not just x86, and into /opt/libjpeg-turbo/lib64 on any 64-bit system, not just x86-64. In particular, this addresses an issue with building TurboVNC and VirtualGL on ARM systems.

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@999 632fc199-4ca6-4c93-a231-07263d6284db

configure.ac

@@ -52,14 +52,12 @@ if test "x${libdir}" = 'x${exec_prefix}/lib' -o "x${libdir}" = 'x${prefix}/lib';
       darwin*)
         ;;
       *)
-        case "$host_cpu" in
-          x86_64 | amd64)
-            libdir='${exec_prefix}/lib64'
-            ;;
-          i*86 | x86 | ia32)
-            libdir='${exec_prefix}/lib32'
-            ;;
-        esac
+        AC_CHECK_SIZEOF(long)
+        if test "${ac_cv_sizeof_long}" = "8"; then
+          libdir='${exec_prefix}/lib64'
+        elif test "${ac_cv_sizeof_long}" = "4"; then
+          libdir='${exec_prefix}/lib32'
+        fi
         ;;
     esac
   fi