In silk_dec_API.c a memcpy was blindly copying data of differing types (opus_int16...
[opus.git] / configure.ac
index 2ab7876..609b4f1 100644 (file)
@@ -1,41 +1,59 @@
 dnl Process this file with autoconf to produce a configure script. -*-m4-*-
 
-AC_INIT(libcelt/arch.h)
+AC_INIT(src/opus_encoder.c)
 
 AM_CONFIG_HEADER([config.h])
 
-CELT_MAJOR_VERSION=0
-CELT_MINOR_VERSION=5
-CELT_MICRO_VERSION=0
-CELT_EXTRA_VERSION=
-CELT_VERSION=$CELT_MAJOR_VERSION.$CELT_MINOR_VERSION.$CELT_MICRO_VERSION$CELT_EXTRA_VERSION
+dnl enable silent rules on automake 1.11 and later
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
-CELT_LT_CURRENT=0
-CELT_LT_REVISION=0
-CELT_LT_AGE=0
+OPUS_MAJOR_VERSION=0
+OPUS_MINOR_VERSION=9
+OPUS_MICRO_VERSION=6
+OPUS_EXTRA_VERSION=
 
-AC_SUBST(CELT_LT_CURRENT)
-AC_SUBST(CELT_LT_REVISION)
-AC_SUBST(CELT_LT_AGE)
+OPUS_VERSION="$OPUS_MAJOR_VERSION.$OPUS_MINOR_VERSION.$OPUS_MICRO_VERSION$OPUS_EXTRA_VERSION"
+AC_MSG_CHECKING([git revision])
+GIT_VERSION=$(git describe --tags --match 'v*' 2>/dev/null | sed 's/^v//')
+if test -z "$GIT_VERSION"; then
+  AC_MSG_RESULT([no])
+else
+  AC_MSG_RESULT([$GIT_VERSION])
+  OPUS_VERSION="$GIT_VERSION"
+fi
+
+LIBOPUS_SUFFIX=0
+
+OPUS_LT_CURRENT=0
+OPUS_LT_REVISION=0
+OPUS_LT_AGE=0
+
+AC_SUBST(OPUS_LT_CURRENT)
+AC_SUBST(OPUS_LT_REVISION)
+AC_SUBST(OPUS_LT_AGE)
+AC_SUBST(LIBOPUS_SUFFIX)
 
 # For automake.
-VERSION=$CELT_VERSION
-PACKAGE=celt
+VERSION=$OPUS_VERSION
+PACKAGE=opus
 
-AC_SUBST(CELT_VERSION)
+# For our version string
+AC_SUBST(OPUS_VERSION)
 
 AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
 AM_MAINTAINER_MODE
 
 AC_CANONICAL_HOST
 AM_PROG_LIBTOOL
+AM_PROG_CC_C_O
 
+AC_PROG_CC_C99
 AC_C_BIGENDIAN
 AC_C_CONST
 AC_C_INLINE
 AC_C_RESTRICT
 
-AC_DEFINE([CELT_BUILD], [], [This is a build of CELT])
+AC_DEFINE([OPUS_BUILD], [], [This is a build of OPUS])
 
 AC_MSG_CHECKING(for C99 variable-size arrays)
 AC_TRY_COMPILE( , [
@@ -64,62 +82,90 @@ has_alloca=no
 )
 AC_MSG_RESULT($has_alloca)
 
-AC_CHECK_HEADERS(sys/soundcard.h sys/audioio.h)
-
-XIPH_PATH_OGG([tools="tools"], [tools=""])
-AC_SUBST(tools)
-
 AC_CHECK_LIB(m, sin)
 
-# Check for getopt_long; if not found, use included source.
-AC_CHECK_FUNCS([getopt_long],,
-[# FreeBSD has a gnugetopt library.
-  AC_CHECK_LIB([gnugetopt],[getopt_long],
-[AC_DEFINE([HAVE_GETOPT_LONG])],
-[# Use the GNU replacement.
-AC_LIBOBJ(getopt)
-AC_LIBOBJ(getopt1)])])
-
-AC_CHECK_LIB(winmm, main)
-
-AC_DEFINE_UNQUOTED(CELT_VERSION, "${CELT_VERSION}", [Complete version string])
-AC_DEFINE_UNQUOTED(CELT_MAJOR_VERSION, ${CELT_MAJOR_VERSION}, [Version major])
-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],
+AC_DEFINE_UNQUOTED(OPUS_VERSION, "${OPUS_VERSION}", [Complete version string])
+AC_DEFINE_UNQUOTED(OPUS_MAJOR_VERSION, ${OPUS_MAJOR_VERSION}, [Version major])
+AC_DEFINE_UNQUOTED(OPUS_MINOR_VERSION, ${OPUS_MINOR_VERSION}, [Version minor])
+AC_DEFINE_UNQUOTED(OPUS_MICRO_VERSION, ${OPUS_MICRO_VERSION}, [Version micro])
+AC_DEFINE_UNQUOTED(OPUS_EXTRA_VERSION, "${OPUS_EXTRA_VERSION}", [Version extra])
+
+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_DEFINE([FIXED_POINT], , [Compile as fixed-point])
-  AC_DEFINE([DOUBLE_PRECISION], , [Compile as fixed-point])
-  AC_DEFINE([MIXED_PRECISION], , [Compile as fixed-point])
+  ac_enable_fixed="yes";
+  AC_DEFINE([FIXED_POINT], [1], [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_custom_modes="no"
+AC_ARG_ENABLE(custom-modes, [  --enable-custom-modes        Enable non-Opus modes, like 44.1 kHz and powers of two ],
 [if test "$enableval" = yes; then
-  AC_DEFINE([STATIC_MODES], , [Static modes])
+  ac_enable_custom_modes="yes"
+  AC_DEFINE([CUSTOM_MODES], , [Custom modes])
 fi])
 
-AC_ARG_ENABLE(assertions, [  --enable-assertions],
+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_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])
 
+ac_enable_fuzzing="no"
+AC_ARG_ENABLE(fuzzing, [  --enable-fuzzing     causes the encoder to make random decisions],
+[if test "$enableval" = yes; then
+  ac_enable_fuzzing="yes"
+  AC_DEFINE([FUZZING], , [Fuzzing])
+fi])
+
+if test "$OPUS_BUILD" != "true" ; then
+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)
+fi
+
 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_FUNCS([lrintf])
+AC_CHECK_FUNCS([lrint])
 
 AC_CHECK_SIZEOF(short)
 AC_CHECK_SIZEOF(int)
@@ -155,12 +201,34 @@ fi
 AC_SUBST(SIZE16)
 AC_SUBST(SIZE32)
 
-AC_OUTPUT([Makefile libcelt/Makefile tests/Makefile celt.pc tools/Makefile])
-
-if test "x$tools" = "x"; then 
-echo "**IMPORTANT**"
-echo "You don't seem to have the development package for libogg (libogg-devel) installed. Only the library will be built (no encoder/decoder executable)"
-echo "You can download libogg from http://www.vorbis.com/download.psp"
+if test "$OPUS_BUILD" = "true" ; then
+AC_DEFINE(OPUS_BUILD, [], [We're part of Opus])
 fi
 
+AM_CONDITIONAL([FIXED_POINT], [test x$ac_enable_fixed = xyes])
+
+AC_OUTPUT([Makefile libcelt/Makefile])
+
+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:
+    
+      Fast float approximations: ..... ${float_approx}
+      Fixed point support: ........... ${ac_enable_fixed}
+      Fixed point debugging: ......... ${ac_enable_fixed_debug}
+      Custom modes: .................. ${ac_enable_custom_modes}
+      Assertion checking: ............ ${ac_enable_assertions}
+      Fuzzing: ..           .......... ${ac_enable_fuzzing}
+------------------------------------------------------------------------
+])
+
 echo "Type \"make; make install\" to compile and install";
+echo "Type \"make check\" to run the test suite";