libsndfile: add patch to fix autotools scripts, fix build

Signed-off-by: Stephan Raue <stephan@openelec.tv>

packages/audio/libsndfile/build

@@ -28,9 +28,14 @@ cd $PKG_BUILD
             --prefix=/usr \
             --disable-static \
             --enable-shared \
+            --disable-silent-rules \
             --disable-sqlite \
             --enable-alsa \
             --disable-external-libs \
+            --disable-experimental \
+            --disable-test-coverage \
+            --enable-largefile \
+            --with-gnu-ld
 
 make -C src
 cp sndfile.pc $SYSROOT_PREFIX/usr/lib/pkgconfig

packages/audio/libsndfile/patches/libsndfile-1.0.25-configure.patch

@@ -0,0 +1,25 @@
+diff -Naur libsndfile-1.0.25-old/configure.ac libsndfile-1.0.25-new/configure.ac
+--- libsndfile-1.0.25-old/configure.ac	2011-07-13 01:59:57.000000000 -0700
++++ libsndfile-1.0.25-new/configure.ac	2011-07-13 17:04:14.000000000 -0700
+@@ -18,9 +18,6 @@
+ AM_INIT_AUTOMAKE($PACKAGE_NAME,$PACKAGE_VERSION)
+ AM_SILENT_RULES([yes])
+ 
+-dnl Add parameters for aclocal
+-AC_SUBST(ACLOCAL_AMFLAGS, "-I M4")
+-
+ AC_LANG([C])
+ 
+ AC_PROG_CC
+diff -Naur libsndfile-1.0.25-old/Makefile.am libsndfile-1.0.25-new/Makefile.am
+--- libsndfile-1.0.25-old/Makefile.am	2011-07-07 02:47:24.000000000 -0700
++++ libsndfile-1.0.25-new/Makefile.am	2011-07-13 17:04:14.000000000 -0700
+@@ -2,6 +2,8 @@
+ 
+ DISTCHECK_CONFIGURE_FLAGS = --enable-gcc-werror
+ 
++ACLOCAL_AMFLAGS = -I M4
++
+ if BUILD_OCTAVE_MOD
+ octave_dir = Octave
+ endif