mirror of
https://github.com/xiph/opus.git
synced 2025-06-02 08:37:43 +00:00
338 lines
10 KiB
Text
338 lines
10 KiB
Text
dnl Process this file with autoconf to produce a configure script. -*-m4-*-
|
|
|
|
dnl The package_version file will be automatically synced to the git revision
|
|
dnl by the update_version script when configured in the repository, but will
|
|
dnl remain constant in tarball releases unless it is manually edited.
|
|
m4_define([CURRENT_VERSION],
|
|
m4_esyscmd([ ./update_version 2>/dev/null || true
|
|
if test -e package_version; then
|
|
. ./package_version
|
|
printf "$PACKAGE_VERSION"
|
|
else
|
|
printf "unknown"
|
|
fi ]))
|
|
|
|
AC_INIT([opus],[CURRENT_VERSION],[opus@xiph.org])
|
|
|
|
AC_CONFIG_SRCDIR(src/opus_encoder.c)
|
|
AC_CONFIG_MACRO_DIR([m4])
|
|
|
|
dnl enable silent rules on automake 1.11 and later
|
|
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
|
|
|
|
# For libtool.
|
|
dnl Please update these for releases.
|
|
OPUS_LT_CURRENT=4
|
|
OPUS_LT_REVISION=0
|
|
OPUS_LT_AGE=4
|
|
|
|
AC_SUBST(OPUS_LT_CURRENT)
|
|
AC_SUBST(OPUS_LT_REVISION)
|
|
AC_SUBST(OPUS_LT_AGE)
|
|
|
|
AM_INIT_AUTOMAKE([no-define])
|
|
AM_MAINTAINER_MODE([enable])
|
|
|
|
AC_CANONICAL_HOST
|
|
AC_MINGW32
|
|
AM_PROG_LIBTOOL
|
|
AM_PROG_CC_C_O
|
|
|
|
AC_PROG_CC_C99
|
|
AC_C_CONST
|
|
AC_C_INLINE
|
|
|
|
AC_DEFINE([OPUS_BUILD], [], [This is a build of OPUS])
|
|
|
|
#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)
|
|
#Note: Both this and the test for variable-size arrays below are also
|
|
# done by AC_PROG_CC_C99, but not thoroughly enough apparently.
|
|
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_COMPILE_IFELSE([AC_LANG_PROGRAM([],
|
|
[[static int x; char a[++x]; a[sizeof a - 1] = 0; int N; return a[0];]])],
|
|
[ has_var_arrays=yes
|
|
use_alloca="no (using var arrays)"
|
|
AC_DEFINE([VAR_ARRAYS], [1], [Use C99 variable-size arrays])
|
|
],[
|
|
has_var_arrays=no
|
|
])
|
|
AC_MSG_RESULT([$has_var_arrays])
|
|
|
|
AS_IF([test "$has_var_arrays" = "no"],
|
|
[
|
|
AC_CHECK_HEADERS([alloca.h])
|
|
AC_MSG_CHECKING(for alloca)
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <alloca.h>]],
|
|
[[int foo=10; int *array = alloca(foo);]])],
|
|
[ use_alloca=yes;
|
|
AC_DEFINE([USE_ALLOCA], [], [Make use of alloca])
|
|
],[
|
|
use_alloca=no
|
|
])
|
|
AC_MSG_RESULT([$use_alloca])
|
|
])
|
|
|
|
LT_LIB_M
|
|
|
|
AC_ARG_ENABLE([fixed-point],
|
|
[AS_HELP_STRING([--enable-fixed-point],
|
|
[compile without floating point (for machines without a fast enough FPU)])],,
|
|
[enable_fixed_point=no])
|
|
|
|
AS_IF([test "$enable_fixed_point" = "yes"],[
|
|
enable_float="no"
|
|
AC_DEFINE([FIXED_POINT], [1], [Compile as fixed-point (for machines without a fast enough FPU)])
|
|
PC_BUILD="fixed-point"
|
|
],[
|
|
enable_float="yes";
|
|
PC_BUILD="floating-point"
|
|
])
|
|
|
|
AM_CONDITIONAL([FIXED_POINT], [test "$enable_fixed_point" = "yes"])
|
|
|
|
AC_ARG_ENABLE([fixed-point-debug],
|
|
[AS_HELP_STRING([--enable-fixed-point-debug], [debug fixed-point implementation])],,
|
|
[enable_fixed_point_debug=no])
|
|
|
|
AS_IF([test "$enable_fixed_point_debug" = "yes"],[
|
|
AC_DEFINE([FIXED_DEBUG], [1], [Debug fixed-point implementation])
|
|
])
|
|
|
|
AC_ARG_ENABLE([float_api],
|
|
[AS_HELP_STRING([--disable-float-api],
|
|
[compile without the floating point API (for machines with no float library)])],,
|
|
[enable_float_api=yes])
|
|
|
|
AM_CONDITIONAL([DISABLE_FLOAT_API], [test "$enable_float_api" = "no"])
|
|
|
|
AS_IF([test "$enable_float_api" = "no"],[
|
|
AC_DEFINE([DISABLE_FLOAT_API], [1], [Do not build the float API])
|
|
])
|
|
|
|
AC_ARG_ENABLE([custom-modes],
|
|
[AS_HELP_STRING([--enable-custom-modes], [enable non-Opus modes, e.g. 44.1 kHz & 2^n frames])],,
|
|
[enable_custom_modes=no])
|
|
|
|
AS_IF([test "$enable_custom_modes" = "yes"],[
|
|
AC_DEFINE([CUSTOM_MODES], [1], [Custom modes])
|
|
PC_BUILD="$PC_BUILD, custom modes"
|
|
])
|
|
|
|
AM_CONDITIONAL([CUSTOM_MODES], [test "$enable_custom_modes" = "yes"])
|
|
|
|
has_float_approx=no
|
|
#case "$host_cpu" in
|
|
#i[[3456]]86 | x86_64 | powerpc64 | powerpc32 | ia64)
|
|
# has_float_approx=yes
|
|
# ;;
|
|
#esac
|
|
|
|
AC_ARG_ENABLE([float-approx],
|
|
[AS_HELP_STRING([--enable-float-approx], [enable fast approximations for floating point])],
|
|
[if test "$enable_float_approx" = "yes"; then
|
|
AC_WARN([Floating point approximations are not supported on all platforms.])
|
|
fi
|
|
],
|
|
[enable_float_approx=$has_float_approx])
|
|
|
|
AS_IF([test "$enable_float_approx" = "yes"],[
|
|
AC_DEFINE([FLOAT_APPROX], [1], [Float approximations])
|
|
])
|
|
|
|
AC_ARG_ENABLE([asm],
|
|
[AS_HELP_STRING([--disable-asm], [Disable assembly optimizations])],,
|
|
[enable_asm=yes])
|
|
|
|
rtcd_support=no
|
|
cpu_arm=no
|
|
|
|
AS_IF([test "$enable_asm" = "yes"],[
|
|
asm_optimization="no asm for your platform, please send patches"
|
|
case $host_cpu in
|
|
arm*)
|
|
cpu_arm=yes
|
|
AS_GCC_INLINE_ASSEMBLY([asm_optimization="ARM"],
|
|
[asm_optimization="disabled"])
|
|
if test "$asm_optimization" = "ARM" ; then
|
|
rtcd_support=yes
|
|
AC_DEFINE([ARMv4_ASM], 1, [Use generic ARMv4 asm optimizations])
|
|
AS_ASM_ARM_EDSP([ARMv5E_ASM=1],[ARMv5E_ASM=0])
|
|
if test "$ARMv5E_ASM" = "1" ; then
|
|
AC_DEFINE([ARMv5E_ASM], [1], [Use ARMv5E asm optimizations])
|
|
asm_optimization="$asm_optimization (EDSP)"
|
|
fi
|
|
AS_ASM_ARM_MEDIA([ARMv6_ASM=1],[ARMv6_ASM=0])
|
|
if test "$ARMv6_ASM" = "1" ; then
|
|
AC_DEFINE([ARMv6_ASM], [1], [Use ARMv6 asm optimizations])
|
|
asm_optimization="$asm_optimization (Media)"
|
|
fi
|
|
AS_ASM_ARM_NEON([ARM_HAVE_NEON=1],[ARM_HAVE_NEON=0])
|
|
if test "$ARM_HAVE_NEON" = "1" ; then
|
|
AC_DEFINE([ARM_HAVE_NEON], 1, [Use ARM NEON optimizations])
|
|
asm_optimization="$asm_optimization (NEON)"
|
|
fi
|
|
fi
|
|
;;
|
|
esac
|
|
],[
|
|
asm_optimization="disabled"
|
|
])
|
|
|
|
AM_CONDITIONAL([CPU_ARM], [test "$cpu_arm" = "yes"])
|
|
|
|
AC_ARG_ENABLE([rtcd],
|
|
[AS_HELP_STRING([--disable-rtcd], [Disable run-time CPU capabilities detection])],,
|
|
[enable_rtcd=yes])
|
|
|
|
AS_IF([test "$enable_rtcd" = "yes"],[
|
|
AS_IF([test "$rtcd_support" = "yes"],[
|
|
AC_DEFINE([OPUS_HAVE_RTCD], [1], [Use run-time CPU capabilities detection])
|
|
],[
|
|
rtcd_support="no rtcd for your platform, please send patches"
|
|
])
|
|
],[
|
|
rtcd_support="no"
|
|
])
|
|
|
|
AC_ARG_ENABLE([assertions],
|
|
[AS_HELP_STRING([--enable-assertions],[enable additional software error checking])],,
|
|
[enable_assertions=no])
|
|
|
|
AS_IF([test "$enable_assertions" = "yes"], [
|
|
AC_DEFINE([ENABLE_ASSERTIONS], [1], [Assertions])
|
|
])
|
|
|
|
AC_ARG_ENABLE([fuzzing],
|
|
[AS_HELP_STRING([--enable-fuzzing],[causes the encoder to make random decisions])],,
|
|
[enable_fuzzing=no])
|
|
|
|
AS_IF([test "$enable_fuzzing" = "yes"], [
|
|
AC_DEFINE([FUZZING], [1], [Fuzzing])
|
|
])
|
|
|
|
AC_ARG_ENABLE([doc],
|
|
[AS_HELP_STRING([--disable-doc], [Do not build API documentation])],,
|
|
[enable_doc=yes])
|
|
|
|
AS_IF([test "$enable_doc" = "yes"], [
|
|
AC_CHECK_PROG(HAVE_DOXYGEN, [doxygen], [yes], [no])
|
|
],[
|
|
HAVE_DOXYGEN=no
|
|
])
|
|
|
|
AM_CONDITIONAL([HAVE_DOXYGEN], [test "$HAVE_DOXYGEN" = "yes"])
|
|
|
|
AC_ARG_ENABLE([extra-programs],
|
|
[AS_HELP_STRING([--disable-extra-programs], [Do not build extra programs (demo and tests)])],,
|
|
[enable_extra_programs=yes])
|
|
|
|
AM_CONDITIONAL([EXTRA_PROGRAMS], [test "$enable_extra_programs" = "yes"])
|
|
|
|
|
|
saved_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS -fvisibility=hidden"
|
|
AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
|
|
[ AC_MSG_RESULT([yes]) ],
|
|
[ AC_MSG_RESULT([no])
|
|
CFLAGS="$saved_CFLAGS"
|
|
])
|
|
|
|
CFLAGS="$CFLAGS -W"
|
|
|
|
warn_CFLAGS="-Wall -Wextra -Wcast-align -Wnested-externs -Wshadow -Wstrict-prototypes"
|
|
saved_CFLAGS="$CFLAGS"
|
|
CFLAGS="$CFLAGS $warn_CFLAGS"
|
|
AC_MSG_CHECKING([if ${CC} supports ${warn_CFLAGS}])
|
|
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[char foo;]])],
|
|
[ AC_MSG_RESULT([yes]) ],
|
|
[ AC_MSG_RESULT([no])
|
|
CFLAGS="$saved_CFLAGS"
|
|
])
|
|
|
|
saved_LIBS="$LIBS"
|
|
LIBS="$LIBS $LIBM"
|
|
AC_CHECK_FUNCS([lrintf])
|
|
AC_CHECK_FUNCS([lrint])
|
|
LIBS="$saved_LIBS"
|
|
|
|
AC_CHECK_FUNCS([__malloc_hook])
|
|
|
|
AC_SUBST([PC_BUILD])
|
|
|
|
|
|
AC_CONFIG_FILES([Makefile opus.pc opus-uninstalled.pc
|
|
doc/Makefile doc/Doxyfile])
|
|
AC_CONFIG_HEADERS([config.h])
|
|
|
|
AC_OUTPUT
|
|
|
|
AC_MSG_NOTICE([
|
|
------------------------------------------------------------------------
|
|
$PACKAGE_NAME $PACKAGE_VERSION: Automatic configuration OK.
|
|
|
|
Compiler support:
|
|
|
|
C99 var arrays: ................ ${has_var_arrays}
|
|
C99 lrintf: .................... ${ac_cv_func_lrintf}
|
|
Use alloca: .................... ${use_alloca}
|
|
|
|
General configuration:
|
|
|
|
Floating point support: ........ ${enable_float}
|
|
Fast float approximations: ..... ${enable_float_approx}
|
|
Fixed point debugging: ......... ${enable_fixed_point_debug}
|
|
Assembly optimization: ......... ${asm_optimization}
|
|
Run-time CPU detection: ........ ${rtcd_support}
|
|
Custom modes: .................. ${enable_custom_modes}
|
|
Assertion checking: ............ ${enable_assertions}
|
|
Fuzzing: ....................... ${enable_fuzzing}
|
|
|
|
API documentation: ............. ${enable_doc}
|
|
Extra programs: ................ ${enable_extra_programs}
|
|
------------------------------------------------------------------------
|
|
|
|
Type "make; make install" to compile and install
|
|
Type "make check" to run the test suite
|
|
])
|
|
|