Fixes some stereo issues where the right channel wasn't taken into account
[opus.git] / configure.ac
index 2ca8ba3..8037120 100644 (file)
@@ -5,18 +5,20 @@ AC_INIT(libcelt/arch.h)
 AM_CONFIG_HEADER([config.h])
 
 CELT_MAJOR_VERSION=0
-CELT_MINOR_VERSION=4
+CELT_MINOR_VERSION=9
 CELT_MICRO_VERSION=0
 CELT_EXTRA_VERSION=
 CELT_VERSION=$CELT_MAJOR_VERSION.$CELT_MINOR_VERSION.$CELT_MICRO_VERSION$CELT_EXTRA_VERSION
+LIBCELT_SUFFIX=0
 
-CELT_LT_CURRENT=0
+CELT_LT_CURRENT=1
 CELT_LT_REVISION=0
 CELT_LT_AGE=0
 
 AC_SUBST(CELT_LT_CURRENT)
 AC_SUBST(CELT_LT_REVISION)
 AC_SUBST(CELT_LT_AGE)
+AC_SUBST(LIBCELT_SUFFIX)
 
 # For automake.
 VERSION=$CELT_VERSION
@@ -30,6 +32,7 @@ AM_MAINTAINER_MODE
 AC_CANONICAL_HOST
 AM_PROG_LIBTOOL
 
+AC_PROG_CC_C99
 AC_C_BIGENDIAN
 AC_C_CONST
 AC_C_INLINE
@@ -66,7 +69,9 @@ AC_MSG_RESULT($has_alloca)
 
 AC_CHECK_HEADERS(sys/soundcard.h sys/audioio.h)
 
-XIPH_PATH_OGG([tools="tools"], [tools=""])
+AS_IF([test "x$with_ogg" != xno],
+ [XIPH_PATH_OGG([tools="tools"], [tools=""])],
+ [tools=""])
 AC_SUBST(tools)
 
 AC_CHECK_LIB(m, sin)
@@ -88,36 +93,81 @@ AC_DEFINE_UNQUOTED(CELT_MINOR_VERSION, ${CELT_MINOR_VERSION}, [Version minor])
 AC_DEFINE_UNQUOTED(CELT_MICRO_VERSION, ${CELT_MICRO_VERSION}, [Version micro])
 AC_DEFINE_UNQUOTED(CELT_EXTRA_VERSION, "${CELT_EXTRA_VERSION}", [Version extra])
 
-AC_ARG_ENABLE(fixed-point, [  --enable-fixed-point    Compile as fixed-point],
+has_float_approx=no
+#case "$host_cpu" in
+#i[[3456]]86 | x86_64 | powerpc64 | powerpc32 | ia64)
+#  has_float_approx=yes
+#  ;;
+#esac    
+
+ac_enable_fixed="no";
+AC_ARG_ENABLE(fixed-point, [  --enable-fixed-point    compile as fixed-point],
 [if test "$enableval" = yes; then
+  ac_enable_fixed="yes";
   AC_DEFINE([FIXED_POINT], , [Compile as fixed-point])
-  AC_DEFINE([DOUBLE_PRECISION], , [Compile as fixed-point])
-  AC_DEFINE([MIXED_PRECISION], , [Compile as fixed-point])
 else
   AC_DEFINE([FLOATING_POINT], , [Compile as floating-point])
 fi],
 AC_DEFINE([FLOATING_POINT], , [Compile as floating-point]))
 
-AC_ARG_ENABLE(fixed-point-debug, [  --enable-fixed-point-debug  Debug fixed-point implementation],
+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_ARG_ENABLE(static-modes, [  --enable-static-modes],
+ac_enable_experimental_postfilter="no"
+AC_ARG_ENABLE(experimental-postfilter, [  --enable-experimental-postfilter     Enable this for testing only if you know what you're doing ],
+[if test "$enableval" = yes; then
+  ac_enable_experimental_postfilter="yes"
+  AC_DEFINE([ENABLE_POSTFILTER], , [Postfilter])
+fi])
+
+float_approx=$has_float_approx
+AC_ARG_ENABLE(float-approx, [  --enable-float-approx   enable fast approximations for floating point],
+    [ if test "$enableval" = yes; then
+    AC_WARN([Floating point approximations are not supported on all platforms.])
+    float_approx=yes
+    else
+    float_approx=no
+    fi], [ float_approx=$has_float_approx ])
+
+if test "x${float_approx}" = "xyes"; then
+    AC_DEFINE([FLOAT_APPROX], , [Float approximations])
+fi
+
+ac_enable_static_modes="no"
+AC_ARG_ENABLE(static-modes, [  --enable-static-modes   use pre-computed codec configurations],
 [if test "$enableval" = yes; then
+  ac_enable_static_modes="yes"
   AC_DEFINE([STATIC_MODES], , [Static modes])
 fi])
 
-AC_ARG_ENABLE(assertions, [  --enable-assertions],
+ac_enable_assertions="no"
+AC_ARG_ENABLE(assertions, [  --enable-assertions     enable additional software error checking],
 [if test "$enableval" = yes; then
+  ac_enable_assertions="yes"
   AC_DEFINE([ENABLE_ASSERTIONS], , [Assertions])
 fi])
 
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -fvisibility=hidden"
+AC_MSG_CHECKING([if ${CXX} supports -fvisibility=hidden])
+AC_COMPILE_IFELSE([char foo;],
+      [ AC_MSG_RESULT([yes])
+        SYMBOL_VISIBILITY="-fvisibility=hidden" ],
+        AC_MSG_RESULT([no]))
+CFLAGS="$saved_CFLAGS $SYMBOL_VISIBILITY"
+AC_SUBST(SYMBOL_VISIBILITY)
+
 if test $ac_cv_c_compiler_gnu = yes ; then
-        CFLAGS="$CFLAGS -fvisibility=hidden -W -Wstrict-prototypes -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wno-parentheses -Wno-unused-parameter -Wno-sign-compare"
-        #CFLAGS="$CFLAGS -fvisibility=hidden -W -Wstrict-prototypes -Wmissing-prototypes -Wall -Waggregate-return -Wcast-align -Wcast-qual -Wnested-externs -Wshadow -Wno-parentheses"
+        CFLAGS="$CFLAGS -W -Wstrict-prototypes -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wno-parentheses -Wno-unused-parameter -Wno-sign-compare"
 fi
 
+AC_C99_FUNC_LRINTF
+AC_C99_FUNC_LRINT
+
 AC_CHECK_SIZEOF(short)
 AC_CHECK_SIZEOF(int)
 AC_CHECK_SIZEOF(long)
@@ -152,12 +202,34 @@ fi
 AC_SUBST(SIZE16)
 AC_SUBST(SIZE32)
 
-AC_OUTPUT([Makefile libcelt/Makefile tests/Makefile celt.pc tools/Makefile])
+AC_OUTPUT([Makefile libcelt/Makefile tests/Makefile 
+           celt.pc tools/Makefile libcelt.spec ])
+
+AC_MSG_RESULT([
+------------------------------------------------------------------------
+  $PACKAGE $VERSION:  Automatic configuration OK.
+  
+    Compiler support:
+
+      C99 var arrays: ................ ${has_var_arrays}
+      C99 lrintf: .................... ${ac_cv_c99_lrintf}
+      Alloca: ........................ ${has_alloca}
+    
+    General configuration:
+    
+      Fast float approximations: ..... ${float_approx}
+      Fixed point support: ........... ${ac_enable_fixed}
+      Fixed point debugging: ......... ${ac_enable_fixed_debug}
+      Static modes: .................. ${ac_enable_static_modes}
+      Assertion checking: ............ ${ac_enable_assertions}
+------------------------------------------------------------------------
+])
 
 if test "x$tools" = "x"; then 
 echo "**IMPORTANT**"
-echo "You don't seem to have the development package for libogg (libogg-devel) installed. Only the library will be built (no encoder/decoder executable)"
+echo "You don't seem to have the development package for libogg (libogg-devel) available. Only the library will be built (no encoder/decoder executable)"
 echo "You can download libogg from http://www.vorbis.com/download.psp"
 fi
 
 echo "Type \"make; make install\" to compile and install";
+echo "Type \"make check\" to run the test suite";