AC_INIT(configure.in)
AM_CONFIG_HEADER(config.h)
AM_INIT_AUTOMAKE(aacgain, 1.4)
AC_LANG_CPLUSPLUS
AC_PROG_CC
AC_PROG_CXX
AC_PROG_CPP

AC_ARG_ENABLE(static_build, AC_HELP_STRING([--enable-static-build], [compile mp4v2 and faad2 from source and link everything statically]), [static_build=${enableval}], [static_build=yes])

AM_CONDITIONAL(do_static_build, test "$static_build" = "yes")

AC_C_INLINE
AC_C_CONST
AC_PROG_INSTALL
AC_PATH_XTRA
AC_C_BIGENDIAN
AC_HEADER_STDC
AC_CHECK_HEADERS(stdint.h inttypes.h)
AC_CHECK_HEADERS(mathf.h)
AC_CHECK_HEADERS(float.h)
AC_CHECK_FUNCS(strchr memcpy)
AC_CHECK_HEADERS(sys/time.h)
AC_HEADER_TIME
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(unsigned int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(unsigned long)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(unsigned long long)
AC_LANG_PUSH(C++)
AC_CHECK_SIZEOF(bool)
AC_LANG_POP(C++)

AC_CHECK_MEMBERS(fpos_t.__pos,,, [#include <stdio.h>])

AC_CHECK_HEADERS(fcntl.h unistd.h stdint.h inttypes.h getopt.h byteswap.h)
AC_CHECK_HEADERS(linux/cdrom.h sys/dvdio.h sys/time.h)

AC_CHECK_FUNCS(strerror strcasestr poll getopt getopt_long getopt_long_only getrusage socketpair strsep inet_ntoa)


AC_CHECK_TYPES([in_port_t, socklen_t], , , 
	[#include <sys/types.h>
	 #include <sys/socket.h>
	 #include <netinet/in.h>])



AC_CHECK_TYPES([uint8_t, int8_t, uint16_t, int16_t, uint32_t, int32_t, uint64_t, int64_t])

AH_VERBATIM([HAVE_UINT8_T],
[/* add uint8_t type */
#undef HAVE_UINT8_T
#ifndef HAVE_UINT8_T
	typedef unsigned char uint8_t;
#endif])

AH_VERBATIM([HAVE_INT8_T],
[/* add int8_t type */
#undef HAVE_INT8_T
#ifndef HAVE_INT8_T
	typedef char int8_t;
#endif])

AH_VERBATIM([HAVE_UINT16_T],
[/* add uint16_t type */
#undef HAVE_UINT16_T
#ifndef HAVE_UINT16_T
	typedef unsigned short uint16_t;
#endif])

AH_VERBATIM([HAVE_INT16_T],
[/* add int16_t type */
#undef HAVE_INT16_T
#ifndef HAVE_INT16_T
	typedef short int16_t;
#endif])

if test "$ac_cv_sizeof_unsigned_short" = "4";
then
	AC_DEFINE(A_UINT32_T,unsigned short)
elif test "$ac_cv_sizeof_unsigned_int" = "4"
then
	AC_DEFINE(A_UINT32_T,unsigned int)
elif test "$ac_cv_sizeof_unsigned_long" = "4"
then
	AC_DEFINE(A_UINT32_T,unsigned long)
fi

AH_VERBATIM([HAVE_UINT32_T],
[/* add uint32_t type */
#undef HAVE_UINT32_T
#ifndef HAVE_UINT32_T
#undef A_UINT32_T
	typedef A_UINT32_T uint32_t;
#endif])

if test "${ac_cv_sizeof_short}" = "4";
then
	AC_DEFINE(A_INT32_T,short)
elif test "${ac_cv_sizeof_int}" = "4";
then
	AC_DEFINE(A_INT32_T,int)
elif test "${ac_cv_sizeof_long}" = "4";
then
	AC_DEFINE(A_INT32_T,long)
fi

AH_VERBATIM([HAVE_INT32_T],
[/* add int32_t type */
#undef HAVE_INT32_T
#ifndef HAVE_INT32_T
#undef A_INT32_T
	typedef A_INT32_T int32_t;
#endif])

if test "${ac_cv_sizeof_unsigned_int}" = "8";
then
	AC_DEFINE(A_UINT64_T,unsigned int)
elif test "${ac_cv_sizeof_unsigned_long}" = "8";
then
	AC_DEFINE(A_UINT64_T,unsigned long)
elif test "${ac_cv_sizeof_unsigned_long_long}" = "8";
then
	AC_DEFINE(A_UINT64_T,unsigned long long)
fi

AH_VERBATIM([HAVE_UINT64_T],
[/* add uint64_t type */
#undef HAVE_UINT64_T
#ifndef HAVE_UINT64_T
#undef A_UINT64_T
	typedef A_UINT64_T uint64_t;
#endif])

if test "${ac_cv_sizeof_int}" = "8";
then
	AC_DEFINE(A_INT64_T,int)
elif test "${ac_cv_sizeof_long}" = "8";
then
	AC_DEFINE(A_INT64_T,long)
elif test "${ac_cv_sizeof_long_long}" = "8";
then
	AC_DEFINE(A_INT64_T,long long)
fi

AH_VERBATIM([HAVE_INT64_T],
[/* add int64_t type */
#undef HAVE_INT64_T
#ifndef HAVE_INT64_T
#undef A_INT64_T
	typedef A_INT64_T int64_t;
#endif])


AC_TYPE_SIZE_T

AM_PROG_LIBTOOL

AC_OUTPUT(Makefile aacgain/Makefile mp3gain/Makefile mp3gain/mpglibDBL/Makefile faad2/libfaad/Makefile mpeg4ip/lib/mp4v2/Makefile)

ln -sf ../config.h faad2/config.h
ln -sf ../config.h aacgain/config.h
ln -sf config.h mpeg4ip_config.h