Update Opus to 1.0.2.

configure.ac

 dnl Process this file with autoconf to produce a configure script. -*-m4-*-
 
 AC_INIT(src/opus_encoder.c)
 
 AM_CONFIG_HEADER([config.h])
 
 dnl enable silent rules on automake 1.11 and later
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 # Read our default version string from version.mk.
@@ skipping 35 matching lines @@
 
 # For autoconf
 AC_SUBST(OPUS_VERSION)
 
 # For config.h.
 AC_DEFINE_UNQUOTED([OPUS_VERSION], ["$OPUS_VERSION"],
                    [Opus library version string])
 
 # For libtool.
 dnl Please update these for releases.
-OPUS_LT_CURRENT=2
+OPUS_LT_CURRENT=3
 OPUS_LT_REVISION=0
-OPUS_LT_AGE=2
+OPUS_LT_AGE=3
 
 AC_SUBST(OPUS_LT_CURRENT)
 AC_SUBST(OPUS_LT_REVISION)
 AC_SUBST(OPUS_LT_AGE)
 
 AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
-AM_MAINTAINER_MODE
+AM_MAINTAINER_MODE([enable])
 
 AC_CANONICAL_HOST
 AC_MINGW32
 AM_PROG_LIBTOOL
 AM_PROG_CC_C_O
 
 AC_PROG_CC_C99
-AC_C_BIGENDIAN
 AC_C_CONST
 AC_C_INLINE
 
 #Use a hacked up version of autoconf's AC_C_RESTRICT because it's not
 #strong enough a test to detect old buggy versions of GCC (e.g. 2.95.3)
 AC_CACHE_CHECK([for C/C++ restrict keyword], ac_cv_c_restrict,
   [ac_cv_c_restrict=no
    # The order here caters to the fact that C++ does not require restrict.
    for ac_kw in __restrict __restrict__ _Restrict restrict; do
      AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
@@ skipping 68 matching lines @@
 #  ;;
 #esac    
 
 ac_enable_fixed="no";
 ac_enable_float="yes";
 AC_ARG_ENABLE(fixed-point, [  --enable-fixed-point       compile without floating point (for machines without a fast enough FPU)],
 [if test "$enableval" = yes; then
   ac_enable_fixed="yes";
   ac_enable_float="no";
   AC_DEFINE([FIXED_POINT], [1], [Compile as fixed-point (for machines without a fast enough FPU)])
-else
-  AC_DEFINE([FLOATING_POINT], , [Compile as floating-point (for machines with a fast enough FPU)])
-fi],
-AC_DEFINE([FLOATING_POINT], , [Compile as floating-point (for machines with a fast enough FPU)]))
+fi])
 
 ac_enable_fixed_debug="no"
 AC_ARG_ENABLE(fixed-point-debug, [  --enable-fixed-point-debug debug fixed-point implementation],
 [if test "$enableval" = yes; then
   ac_enable_fixed_debug="yes"
   AC_DEFINE([FIXED_DEBUG], , [Debug fixed-point implementation])
 fi])
 
 ac_enable_custom_modes="no"
 AC_ARG_ENABLE(custom-modes, [  --enable-custom-modes      enable non-Opus modes, e.g. 44.1 kHz & 2^n frames],
@@ skipping 95 matching lines @@
                 $ac_cv_sizeof_short) SIZE32="short";;
         esac
 fi
 
 AC_SUBST(SIZE16)
 AC_SUBST(SIZE32)
 
 AM_CONDITIONAL([FIXED_POINT], [test x$ac_enable_fixed = xyes])
 AM_CONDITIONAL([CUSTOM_MODES], [test x$ac_enable_custom_modes = xyes])
 
-AC_OUTPUT([Makefile opus.pc opus-uninstalled.pc
-           doc/Makefile doc/Doxyfile])
+dnl subsitutions for the pkg-config files
+if test x$ac_enable_float = xyes; then
+  PC_BUILD="floating-point"
+  PC_LIBM=$LIBM
+else
+  PC_BUILD="fixed-point"
+  PC_LIBM=
+fi
+dnl opus_custom requires libm as well
+if test x$ac_enable_custom_modes = xyes; then
+  PC_BUILD="${PC_BUILD}, custom modes"
+  PC_LIBM=$LIBM
+fi
+AC_SUBST([PC_BUILD])
+AC_SUBST([PC_LIBM])
+
+
+AC_CONFIG_FILES([Makefile opus.pc opus-uninstalled.pc
+                 doc/Makefile doc/Doxyfile])
+
+AC_OUTPUT
 
 AC_MSG_RESULT([
 ------------------------------------------------------------------------
   $PACKAGE $VERSION:  Automatic configuration OK.
   
     Compiler support:
 
       C99 var arrays: ................ ${has_var_arrays}
       C99 lrintf: .................... ${ac_cv_func_lrintf}
       Alloca: ........................ ${has_alloca}
     
     General configuration:
     
       Floating point support: ........ ${ac_enable_float}
       Fast float approximations: ..... ${float_approx}
       Fixed point debugging: ......... ${ac_enable_fixed_debug}
       Custom modes: .................. ${ac_enable_custom_modes}
       Assertion checking: ............ ${ac_enable_assertions}
       Fuzzing: ....................... ${ac_enable_fuzzing}
 
       API documentation: ............. ${ac_enable_doc}
 ------------------------------------------------------------------------
 ])
 
 echo "Type \"make; make install\" to compile and install";
 echo "Type \"make check\" to run the test suite";