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configure.in
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dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.52)
AC_INIT
AC_CONFIG_SRCDIR([src/a52dec.c])
AC_CONFIG_AUX_DIR(autotools)
AC_CONFIG_FILES([Makefile autotools/Makefile include/Makefile test/Makefile
doc/Makefile src/Makefile liba52/Makefile libao/Makefile vc++/Makefile])
AM_INIT_AUTOMAKE([a52dec],[0.7.4])
AM_CONFIG_HEADER(include/config.h)
AM_MAINTAINER_MODE
AC_CANONICAL_HOST
dnl Checks for compiler
AC_PROG_CC
AC_PROG_GCC_TRADITIONAL
if test x"$GCC" = x"yes"; then
dnl GCC-specific flags - try to optimize them sometime
dnl -Wall -Werror moved to the end to not disturb the configure script
dnl -O3
changequote(<<,>>)
OPT_CFLAGS=`echo "$CFLAGS"|sed "s/-O[0-9]*//g"`
changequote([,])
OPT_CFLAGS="$OPT_CFLAGS -O3"
AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS])
dnl -fomit-frame-pointer
OPT_CFLAGS="$CFLAGS -fomit-frame-pointer"
AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS])
dnl arch-specific flags
case "$host" in
i?86-* | k?-*)
case "$host" in
i386-*) OPT_CFLAGS="$CFLAGS -mcpu=i386";;
i486-*) OPT_CFLAGS="$CFLAGS -mcpu=i486";;
i586-*) OPT_CFLAGS="$CFLAGS -mcpu=pentium";;
i686-*) OPT_CFLAGS="$CFLAGS -mcpu=pentiumpro";;
k6-*) OPT_CFLAGS="$CFLAGS -mcpu=k6";;
esac
AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS]);;
sparc-* | sparc64-*)
OPT_CFLAGS="$CFLAGS -mtune=ultrasparc"
AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS]);;
mips-sgi-irix6.*) dnl do we need to be that specific ?
OPT_CFLAGS="$CFLAGS -mabi=64"
AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS]);;
esac
elif test x"$CC" = x"tcc" -a x"`$CC -version 2>&1 | grep TenDRA`" != x""; then
dnl TenDRA portability checking compiler
TENDRA=yes
CFLAGS="-Xp -Yansi -f`pwd`/include/tendra.h -DELIDE_CODE"
enable_mlib=no
enable_oss=no
enable_solaris_audio=no
elif test x"$CC" = x"icc" -a x"`$CC -V 2>&1 | grep Intel`" != x""; then
dnl Intel C++ compiler
CFLAGS="-g -O3 -unroll -ip"
else
dnl non-gcc flags - we probably need exact configuration triplets here.
case "$host" in
mips-sgi-irix6.*)
OPT_CFLAGS="$CFLAGS -64"
AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS]);;
sparc-sun-solaris*)
OPT_CFLAGS="$CFLAGS -xCC -fast -xO5"
AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS]);;
esac
fi
dnl Checks for libtool - this must be done after we set cflags
AC_DISABLE_SHARED
AC_LIBTOOL_WIN32_DLL
AC_PROG_LIBTOOL
dnl Checks for libraries.
dnl Checks for header files.
INCLUDES='-I$(top_srcdir)/include -I$(top_builddir)/include'
AC_SUBST([INCLUDES])
AC_CHECK_HEADERS([sys/time.h sys/timeb.h io.h])
AC_CHECK_GENERATE_INTTYPES([include])
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_ALWAYS_INLINE
AC_C_RESTRICT
AC_TYPE_SIZE_T
AC_C_BIGENDIAN
dnl Checks for library functions.
AC_CHECK_FUNCS([memalign gettimeofday ftime])
AC_TYPE_SIGNAL
builtin([include],[liba52/configure.incl])
builtin([include],[libao/configure.incl])
AC_ARG_ENABLE([warnings],
[ --enable-warnings treat warnings as errors])
if test x"$enable_warnings" = x"yes" -a x"$GCC" = x"yes"; then
dnl compiler warnings
OPT_CFLAGS="$CFLAGS -Wall -Werror"
AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS])
elif test x"$TENDRA" = x"yes"; then
dnl TenDRA portability checking compiler
CFLAGS="$CFLAGS -DTenDRA_check"
fi
builtin([include],[src/configure.incl])
AC_C_ATTRIBUTE_ALIGNED
AC_OUTPUT