From f60b9d2aee60f48ca358a0cedf266580b8c4659e Mon Sep 17 00:00:00 2001
From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 26 Jun 2012 07:50:41 -0700
Subject: use pkg-config for libusb-1.0 look up

More friendly to exotic libusb setups.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Change-Id: I36f54f2a6e36773c8cf213c56deea053b1f81083
Reviewed-on: http://git-master/r/111408
Reviewed-by: Allen Martin <amartin@nvidia.com>
Tested-by: Allen Martin <amartin@nvidia.com>
---
 configure.ac | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 6aebd33..0736a80 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,16 +10,14 @@ AC_CONFIG_HEADERS([config.h])
 # Checks for programs.
 AC_PROG_CXX
 AC_PROG_CC
+PKG_PROG_PKG_CONFIG
 
 # Checks for libraries.
 AC_CHECK_LIB([pthread],
 	[pthread_create],
 	[HAVE_PTHREAD=1],
 	[AC_MSG_ERROR([libpthread is not installed.])])
-AC_CHECK_LIB([usb-1.0],
-	[libusb_init],
-	[HAVE_USB=1],
-	[AC_MSG_ERROR([libusb-1.0 is not installed.])])
+PKG_CHECK_MODULES([LIBUSB], [libusb-1.0])
 AC_LANG(C++)
 SAVED_LDFLAGS=$LDFLAGS
 LDFLAGS="$LDFLAGS -lcryptopp"
-- 
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