ref: 69b8e72571ca9d046662b73aae7f79a2c7a7a4a3
dir: /configure.ac/
dnl Process this file with autoconf to produce a configure script. -*-m4-*-
AC_INIT(src/opusenc.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])])
OPUSTOOLS_MAJOR_VERSION=0
OPUSTOOLS_MINOR_VERSION=1
OPUSTOOLS_MICRO_VERSION=0
OPUSTOOLS_EXTRA_VERSION=
OPUSTOOLS_VERSION="$OPUSTOOLS_MAJOR_VERSION.$OPUSTOOLS_MINOR_VERSION.$OPUSTOOLS_MICRO_VERSION$OPUSTOOLS_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([$GIT_VERSION])
OPUSTOOLS_VERSION="$GIT_VERSION"
fi
# For automake.
VERSION=$OPUSTOOLS_VERSION
PACKAGE=opus-tools
# For our version string
AC_SUBST(OPUSTOOLS_VERSION)
AM_INIT_AUTOMAKE($PACKAGE, $VERSION, no-define)
AM_MAINTAINER_MODE
AC_CANONICAL_HOST
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(
[[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_MSG_CHECKING(for C99 variable-size arrays)
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($has_var_arrays)
AC_CHECK_FUNC(exp,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
if test x"$fp_libm_not_needed" = xdunno; then
AC_CHECK_LIB([m], [exp], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
fi
AC_SUBST([LIBM])
AC_DEFINE_UNQUOTED(OPUSTOOLS_VERSION, "${OPUSTOOLS_VERSION}", [Complete version string])
AC_DEFINE_UNQUOTED(OPUSTOOLS_MAJOR_VERSION, ${OPUSTOOLS_MAJOR_VERSION}, [Version major])
AC_DEFINE_UNQUOTED(OPUSTOOLS_MINOR_VERSION, ${OPUSTOOLS_MINOR_VERSION}, [Version minor])
AC_DEFINE_UNQUOTED(OPUSTOOLS_MICRO_VERSION, ${OPUSTOOLS_MICRO_VERSION}, [Version micro])
AC_DEFINE_UNQUOTED(OPUSTOOLS_EXTRA_VERSION, "${OPUSTOOLS_EXTRA_VERSION}", [Version extra])
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])
if test $ac_cv_c_compiler_gnu = yes ; then
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -fstack-protector-all"
AC_MSG_CHECKING([if ${CC} supports -fstack-protector-all])
AC_COMPILE_IFELSE([AC_LANG_SOURCE([char foo;])],
[ AC_MSG_RESULT([yes])
STACK_PROTECTOR="-fstack-protector-all" ],
AC_MSG_RESULT([no]))
CFLAGS="$saved_CFLAGS $STACK_PROTECTOR"
fi
CFLAGS="$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 $EXTRA_WARNS"
AC_CHECK_FUNCS([lrintf])
AC_CHECK_FUNCS([lrint])
AC_CHECK_FUNCS([__malloc_hook])
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
if test x$has_char16 = "xyes" ; then
case 1 in
$ac_cv_sizeof_short) SIZE16="short";;
$ac_cv_sizeof_int) SIZE16="int";;
esac
else
case 2 in
$ac_cv_sizeof_short) SIZE16="short";;
$ac_cv_sizeof_int) SIZE16="int";;
esac
fi
if test x$has_char16 = "xyes" ; then
case 2 in
$ac_cv_sizeof_int) SIZE32="int";;
$ac_cv_sizeof_long) SIZE32="long";;
$ac_cv_sizeof_short) SIZE32="short";;
esac
else
case 4 in
$ac_cv_sizeof_int) SIZE32="int";;
$ac_cv_sizeof_long) SIZE32="long";;
$ac_cv_sizeof_short) SIZE32="short";;
esac
fi
AC_SUBST(SIZE16)
AC_SUBST(SIZE32)
dnl check for Ogg
HAVE_OGG=no
dnl first check through pkg-config since it's more flexible
dnl check for pkg-config itself so we don't try the m4 macro without pkg-config
AC_CHECK_PROG(HAVE_PKG_CONFIG, pkg-config, yes)
if test "x$HAVE_PKG_CONFIG" = "xyes"
then
PKG_CHECK_MODULES(OGG, ogg >= 1.3, HAVE_OGG=yes, HAVE_OGG=no)
fi
if test "x$HAVE_OGG" = "xno"
then
dnl fall back to the old school test
XIPH_PATH_OGG(, AC_MSG_ERROR([
libogg is required to build this package!
please see http://www.xiph.org/ for how to
obtain a copy.
]))
cflags_save=$CFLAGS
libs_save=$LIBS
CFLAGS="$CFLAGS $OGG_CFLAGS"
LIBS="$LIBS $OGG_LIBS"
AC_CHECK_FUNC(ogg_stream_flush_fill, , [
AC_MSG_ERROR([newer libogg version (1.3 or later) required])
])
CFLAGS=$cflags_save
LIBS=$libs_save
fi
dnl check for Opus
HAVE_OPUS=no
dnl first check through pkg-config since it's more flexible
dnl check for pkg-config itself so we don't try the m4 macro without pkg-config
AC_CHECK_PROG(HAVE_PKG_CONFIG, pkg-config, yes)
if test "x$HAVE_PKG_CONFIG" = "xyes"
then
PKG_CHECK_MODULES(Opus, opus >= 0.9.10, HAVE_OPUS=yes, HAVE_OPUS=no)
fi
if test "x$HAVE_OPUS" = "xno"
then
AC_MSG_ERROR([
Opus is required to build this package!
please see http://opus-codec.org/ for how to
obtain a copy.])
fi
AC_OUTPUT([Makefile])
AC_MSG_RESULT([
------------------------------------------------------------------------
$PACKAGE $VERSION: Automatic configuration OK.
Compiler support:
C99 var arrays: ................ ${has_var_arrays}
C99 lrintf: .................... ${ac_cv_func_lrintf}
General configuration:
Assertion checking: ............ ${ac_enable_assertions}
------------------------------------------------------------------------
])
echo "Type \"make; make install\" to compile and install";
echo "Type \"make check\" to run the test suite";