dnl enable silent rules on automake 1.11 and later
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
-OPUS_MAJOR_VERSION=0
-OPUS_MINOR_VERSION=9
-OPUS_MICRO_VERSION=6
-OPUS_EXTRA_VERSION=
+# Read our default version string from version.mk.
+# Please update this file for releases.
+AC_MSG_CHECKING([version.mk])
+MK_VERSION=$(awk 'BEGIN { FS = "=" }
+ /OPUS_VERSION/ { ver = $2}
+ END {
+ gsub(/"/, "", ver);
+ gsub(/^ /, "", ver);
+ gsub(/ $/, "", ver);
+ print ver;
+ }' $srcdir/version.mk)
+if test -z "$MK_VERSION"; then
+ AC_MSG_RESULT([no])
+else
+ AC_MSG_RESULT([$MK_VERSION])
+ OPUS_VERSION="$MK_VERSION"
+fi
-OPUS_VERSION="$OPUS_MAJOR_VERSION.$OPUS_MINOR_VERSION.$OPUS_MICRO_VERSION$OPUS_EXTRA_VERSION"
+# Override with the git version, if available.
AC_MSG_CHECKING([git revision])
GIT_VERSION=$(git describe --tags --match 'v*' 2>/dev/null | sed 's/^v//')
if test -z "$GIT_VERSION"; then
OPUS_VERSION="$GIT_VERSION"
fi
-LIBOPUS_SUFFIX=0
+# Use 'unknown' if all else fails.
+if test -z "$OPUS_VERSION"; then
+ OPUS_VERSION="unknown"
+fi
+
+# For automake.
+PACKAGE=opus
+VERSION=$OPUS_VERSION
+
+# For autoconf
+AC_SUBST(OPUS_VERSION)
+
+# For config.h.
+AC_DEFINE_UNQUOTED([OPUS_VERSION], ["$OPUS_VERSION"],
+ [Opus library version string])
-OPUS_LT_CURRENT=0
+# For libtool.
+dnl Please update these for releases.
+OPUS_LT_CURRENT=2
OPUS_LT_REVISION=0
-OPUS_LT_AGE=0
+OPUS_LT_AGE=2
AC_SUBST(OPUS_LT_CURRENT)
AC_SUBST(OPUS_LT_REVISION)
AC_SUBST(OPUS_LT_AGE)
-AC_SUBST(LIBOPUS_SUFFIX)
-
-# For automake.
-VERSION=$OPUS_VERSION
-PACKAGE=opus
-
-# For our version string
-AC_SUBST(OPUS_VERSION)
AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
AM_MAINTAINER_MODE
AC_CANONICAL_HOST
+AC_MINGW32
AM_PROG_LIBTOOL
AM_PROG_CC_C_O
AC_C_BIGENDIAN
AC_C_CONST
AC_C_INLINE
-AC_C_RESTRICT
+
+#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(
+ [[typedef int * int_ptr;
+ int foo (int_ptr $ac_kw ip, int * $ac_kw baz[]) {
+ return ip[0];
+ }]],
+ [[int s[1];
+ int * $ac_kw t = s;
+ t[0] = 0;
+ return foo(t, (void *)0)]])],
+ [ac_cv_c_restrict=$ac_kw])
+ test "$ac_cv_c_restrict" != no && break
+ done
+ ])
+ AH_VERBATIM([restrict],
+[/* Define to the equivalent of the C99 'restrict' keyword, or to
+ nothing if this is not supported. Do not define if restrict is
+ supported directly. */
+#undef restrict
+/* Work around a bug in Sun C++: it does not support _Restrict or
+ __restrict__, even though the corresponding Sun C compiler ends up with
+ "#define restrict _Restrict" or "#define restrict __restrict__" in the
+ previous line. Perhaps some future version of Sun C++ will work with
+ restrict; if so, hopefully it defines __RESTRICT like Sun C does. */
+#if defined __SUNPRO_CC && !defined __RESTRICT
+# define _Restrict
+# define __restrict__
+#endif])
+ case $ac_cv_c_restrict in
+ restrict) ;;
+ no) AC_DEFINE([restrict], []) ;;
+ *) AC_DEFINE_UNQUOTED([restrict], [$ac_cv_c_restrict]) ;;
+ esac
AC_DEFINE([OPUS_BUILD], [], [This is a build of OPUS])
AC_MSG_CHECKING(for C99 variable-size arrays)
-AC_TRY_COMPILE( , [
-int foo=10;
-int array[foo];
-],
+AC_TRY_COMPILE( [], [static int x; char a[++x]; a[sizeof a - 1] = 0; int N; return a[0];],
[has_var_arrays=yes;AC_DEFINE([VAR_ARRAYS], [], [Use C99 variable-size arrays])
],
has_var_arrays=no
)
AC_MSG_RESULT($has_alloca)
-AC_CHECK_LIB(m, sin)
-
-AC_DEFINE_UNQUOTED(OPUS_VERSION, "${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])
+AC_CHECK_FUNC(exp,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
+if test x"$fp_libm_not_needed" = xdunno; then
+ AC_CHECK_LIB([m], [exp], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
+fi
+AC_SUBST([LIBM])
has_float_approx=no
#case "$host_cpu" in
#esac
ac_enable_fixed="no";
-AC_ARG_ENABLE(fixed-point, [ --enable-fixed-point compile as fixed-point],
+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 "$enableval" = yes; then
ac_enable_fixed="yes";
- AC_DEFINE([FIXED_POINT], [1], [Compile as fixed-point])
-else
- AC_DEFINE([FLOATING_POINT], , [Compile as floating-point])
-fi],
-AC_DEFINE([FLOATING_POINT], , [Compile as floating-point]))
+ ac_enable_float="no";
+ AC_DEFINE([FIXED_POINT], [1], [Compile as fixed-point (for machines without a fast enough FPU)])
+fi])
ac_enable_fixed_debug="no"
-AC_ARG_ENABLE(fixed-point-debug, [ --enable-fixed-point-debug debug fixed-point implementation],
+AC_ARG_ENABLE(fixed-point-debug, [ --enable-fixed-point-debug debug fixed-point implementation],
[if test "$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, like 44.1 kHz and powers of two ],
+AC_ARG_ENABLE(custom-modes, [ --enable-custom-modes enable non-Opus modes, e.g. 44.1 kHz & 2^n frames],
[if test "$enableval" = yes; then
ac_enable_custom_modes="yes"
AC_DEFINE([CUSTOM_MODES], , [Custom modes])
fi])
float_approx=$has_float_approx
-AC_ARG_ENABLE(float-approx, [ --enable-float-approx enable fast approximations for floating point],
+AC_ARG_ENABLE(float-approx, [ --enable-float-approx enable fast approximations for floating point],
[ if test "$enableval" = yes; then
AC_WARN([Floating point approximations are not supported on all platforms.])
float_approx=yes
fi
ac_enable_assertions="no"
-AC_ARG_ENABLE(assertions, [ --enable-assertions enable additional software error checking],
+AC_ARG_ENABLE(assertions, [ --enable-assertions enable additional software error checking],
[if test "$enableval" = yes; then
ac_enable_assertions="yes"
AC_DEFINE([ENABLE_ASSERTIONS], , [Assertions])
fi])
-if test "$OPUS_BUILD" != "true" ; then
+ac_enable_fuzzing="no"
+AC_ARG_ENABLE(fuzzing, [ --enable-fuzzing causes the encoder to make random decisions],
+[if test "$enableval" = yes; then
+ ac_enable_fuzzing="yes"
+ AC_DEFINE([FUZZING], , [Fuzzing])
+fi])
+
+ac_enable_doc="yes"
+AC_ARG_ENABLE([doc],
+ AS_HELP_STRING([--disable-doc], [Do not build API documentation]),
+ [ac_enable_doc=$enableval])
+AC_CHECK_PROG(HAVE_DOXYGEN, [doxygen], [yes], [no])
+if test "$HAVE_DOXYGEN" != "yes" -o "$ac_enable_doc" != "yes"; then
+ HAVE_DOXYGEN="false"
+ ac_enable_doc="no"
+fi
+AM_CONDITIONAL(HAVE_DOXYGEN, [test $HAVE_DOXYGEN = yes])
+
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fvisibility=hidden"
-AC_MSG_CHECKING([if ${CXX} supports -fvisibility=hidden])
-AC_COMPILE_IFELSE([char foo;],
+AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([char foo;])],
[ AC_MSG_RESULT([yes])
SYMBOL_VISIBILITY="-fvisibility=hidden" ],
AC_MSG_RESULT([no]))
CFLAGS="$saved_CFLAGS $SYMBOL_VISIBILITY"
AC_SUBST(SYMBOL_VISIBILITY)
-fi
-if test $ac_cv_c_compiler_gnu = yes ; then
- CFLAGS="$CFLAGS -W -Wstrict-prototypes -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wno-parentheses -Wno-unused-parameter -Wno-sign-compare"
-fi
+CFLAGS="$CFLAGS -W"
+
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes"
+AC_MSG_CHECKING([if ${CC} supports -Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes])
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([char foo;])],
+ [ AC_MSG_RESULT([yes])
+ EXTRA_WARNS="-Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes" ],
+ AC_MSG_RESULT([no]))
+CFLAGS="$saved_CFLAGS $EXTRA_WARNS"
AC_CHECK_FUNCS([lrintf])
AC_CHECK_FUNCS([lrint])
+AC_CHECK_FUNCS([__malloc_hook])
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_SUBST(SIZE16)
AC_SUBST(SIZE32)
-if test "$OPUS_BUILD" = "true" ; then
-AC_DEFINE(OPUS_BUILD, [], [We're part of Opus])
+AM_CONDITIONAL([FIXED_POINT], [test x$ac_enable_fixed = xyes])
+AM_CONDITIONAL([CUSTOM_MODES], [test x$ac_enable_custom_modes = xyes])
+
+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=$LIBM
fi
+AC_SUBST([PC_BUILD])
+AC_SUBST([PC_LIBM])
-AM_CONDITIONAL([FIXED_POINT], [test x$ac_enable_fixed = xyes])
-AC_OUTPUT([Makefile])
+AC_CONFIG_FILES([Makefile opus.pc opus-uninstalled.pc
+ doc/Makefile doc/Doxyfile])
+
+AC_OUTPUT
AC_MSG_RESULT([
------------------------------------------------------------------------
General configuration:
+ Floating point support: ........ ${ac_enable_float}
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}
+
+ API documentation: ............. ${ac_enable_doc}
------------------------------------------------------------------------
])
xiph / opus.git / blobdiff