From 6fbd2a72122d6bcd70edbf599baa7465e3e9acb6 Mon Sep 17 00:00:00 2001
From: Nikias Bassen
Date: Sun, 2 Aug 2009 07:35:00 +0200
Subject: include config.h and defined ENABLE_HACKS

Use --disable-hacks to NOT enable hacks like the N*128/N*512 hack when
running configure. Hacks are enabled by default.
---
 configure.ac | 14 ++++++++++++++
 src/usbmux.c |  5 +++++
 2 files changed, 19 insertions(+)

diff --git a/configure.ac b/configure.ac
index 55ce7af..d8c10f8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -18,6 +18,20 @@ AC_PROG_INSTALL
 
 PKG_CHECK_MODULES(libusb, libusb >= 0.1.12)
 
+# check for options
+AC_ARG_ENABLE([hacks],
+            [AS_HELP_STRING([--disable-hacks],
+            [disable hacks that provide workarounds for certain problems])],
+            [enable_hacks=no],
+            [enable_hacks=yes])
+if test "x$enable_hacks" = xyes; then
+        AC_DEFINE(ENABLE_HACKS, 1, [Define if you want hacks enabled])
+        echo "Note: hacks are enabled."
+else
+        echo "Note: hacks are DISABLED."
+fi
+AM_CONDITIONAL(ENABLE_HACKS, test "x$enable_hacks" = xyes)
+
 # Output files
 
 AC_OUTPUT([
diff --git a/src/usbmux.c b/src/usbmux.c
index 2157e05..37538da 100644
--- a/src/usbmux.c
+++ b/src/usbmux.c
@@ -15,6 +15,9 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA 
  */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
 #include <stdint.h>
 #include <stdarg.h>
 #include <stdlib.h>
@@ -845,6 +848,7 @@ int usbmux_send(usbmux_client_t client, const char *data, uint32_t datalen,
 	uint32_t curlen = datalen;
 	uint32_t packetsize = blocksize;
 
+#ifdef ENABLE_HACKS
 	// BEGIN HACK
 	if ((blocksize % 128) == 0) {
 	    int cutoff = 28;
@@ -886,6 +890,7 @@ int usbmux_send(usbmux_client_t client, const char *data, uint32_t datalen,
 	    fullsendresult -= sizeof(usbmux_tcp_header);
 	}
 	// END HACK
+#endif
 
 	// Set the length
 	client->header->length = packetsize;
-- 
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