Added configure options to disable arithmetic encoding/decoding
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@300 632fc199-4ca6-4c93-a231-07263d6284db
diff --git a/configure.ac b/configure.ac
index fb022f2..7faf146 100644
--- a/configure.ac
+++ b/configure.ac
@@ -207,6 +207,30 @@
AC_SUBST(VERSION_SCRIPT_FLAG)
AC_SUBST(ANON_VERSION_SCRIPT_FLAG)
+AC_MSG_CHECKING([whether to use arithmetic encoding])
+AC_ARG_WITH([arith-enc],
+ AC_HELP_STRING([--without-arith-enc], [Omit arithmetic encoding support]))
+if test "x$with_arith_enc" = "xno"; then
+ AC_MSG_RESULT(no)
+else
+ AC_DEFINE([C_ARITH_CODING_SUPPORTED], [1], [Support arithmetic encoding])
+ AC_MSG_RESULT(yes)
+fi
+AM_CONDITIONAL([WITH_ARITH_ENC], [test "x$with_arith_enc" != "xno"])
+
+AC_MSG_CHECKING([whether to use arithmetic decoding])
+AC_ARG_WITH([arith-dec],
+ AC_HELP_STRING([--without-arith-dec], [Omit arithmetic decoding support]))
+if test "x$with_arith_dec" = "xno"; then
+ AC_MSG_RESULT(no)
+else
+ AC_DEFINE([D_ARITH_CODING_SUPPORTED], [1], [Support arithmetic decoding])
+ AC_MSG_RESULT(yes)
+fi
+AM_CONDITIONAL([WITH_ARITH_DEC], [test "x$with_arith_dec" != "xno"])
+
+AM_CONDITIONAL([WITH_ARITH], [test "x$with_arith_dec" != "xno" -o "x$with_arith_enc" != "xno"])
+
# SIMD is optional
AC_ARG_WITH([simd],
AC_HELP_STRING([--without-simd],[Omit accelerated SIMD routines.]))