dnl Process this file with autoconf to produce a configure script.
dnl AC_INIT
AC_INIT
AC_CANONICAL_TARGET
AC_CONFIG_SRCDIR([configure.in])

LIBVEVO_MAJOR_VERSION=2
LIBVEVO_MINOR_VERSION=2
LIBVEVO_MICRO_VERSION=2
LIBVEVO_VERSION=$LIBVEVO_MAJOR_VERSION.$LIBVEVO_MINOR_VERSION.$LIBVEVO_MICRO_VERSION
PACKAGE_VERSION=LIBVEVO_VERSION

AM_INIT_AUTOMAKE( libvevo, $LIBVEVO_VERSION)
AM_CONFIG_HEADER(config.h)
AM_MAINTAINER_MODE
AM_OUTPUT_DEPENDENCY_COMMANDS

dnl AM_ACLOCAL_INCLUDE(macros)

AC_PROG_CC
AM_PROG_AS
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_CXXCPP
AC_PROG_GCC_TRADITIONAL
AC_ISC_POSIX
AC_HEADER_STDC

LT_RELEASE=$LIBVEVO_MAJOR_VERSION.$LIBVEVO_MINOR_VERSION
LT_CURRENT=$LIBVEVO_MICRO_VERSION
LT_REVISION=$LIBVEVO_MICRO_VERSION
LT_AGE=$LIBVEVO_MICRO_VERSION
AC_SUBST(LT_RELEASE)
AC_SUBST(LT_CURRENT)
AC_SUBST(LT_REVISION)
AC_SUBST(LT_AGE)

dnl **********************************************************************
dnl Options
AC_ARG_ENABLE(assertions,
	[ --enable-assertions,	Turn on runtime assertion checking.])
AC_ARG_ENABLE(compile-warnings,     
  [  --enable-compile-warnings,        Turn on compiler warnings.])
AC_ARG_ENABLE(warnings_as_errors,   
  [  --enable-warnings_as_errors,      Compiler warnings are errors.])
AC_ARG_ENABLE(memory-pool,
	[ --enable-memory-pool, Turn on vevo's memory allocator.])

AC_PROG_AWK
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AC_PROG_RANLIB
AC_C_BIGENDIAN
AC_C_CONST
AC_C_INLINE

dnl Initialize libtool
AM_PROG_LIBTOOL

AC_CHECK_HEADERS(fenv.h stdint.h inttypes.h sys/types.h stdbool.h getopt.h alloca.h sys/soundcard.h)

dnl sizeof PRId64 etc...
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)

AC_TYPE_SIGNAL

AC_CHECK_FUNCS([floot])
AC_CHECK_FUNCS([gettimeofday])
AC_CHECK_FUNCS([memset])
AC_CHECK_FUNCS([mkdir])
AC_CHECK_HEADERS([limits.h])
AC_CHECK_HEADERS([malloc.h])
AC_CHECK_HEADERS([stddef.h])
AC_CHECK_HEADERS([sys/time.h])
AC_FUNC_MALLOC
AC_HEADER_TIME
AC_HEADER_SYS_WAIT
AC_HEADER_STDC
AC_TYPE_SIZE_T
AC_C_VOLATILE

OS_ARCH=`uname -s | sed -e 's|/|_|g'`
OS_RELEASE=`uname -r`
OS_CPU=`uname -m`


dnl ********************************************************************
dnl Check to see if __progname is provided by the system
dnl ********************************************************************
AC_MSG_CHECKING(for __progname)
AC_CACHE_VAL(ac_cv_extern__progname,
AC_LINK_IFELSE([AC_LANG_PROGRAM([[]], [[extern char *__progname;
	puts(__progname)]])],[ac_cv_extern___progname=yes],[ac_cv_extern___progname=no]))
if test x$ac_cv_extern___progname = xyes ; then
	AC_DEFINE(HAVE___PROGNAME,,[Is __progname defined by system?])
	AC_MSG_RESULT(yes)
else
	AC_MSG_RESULT(no)
fi

dnl **********************************************************************
dnl All the conditional stuff for the Makefiles
dnl

CFLAGS="$CFLAGS"

AC_MSG_CHECKING(what warning flags to pass to the C compiler)
warnCFLAGS=
if test "x$enable_compile_warnings" != "xno" ; then
 if test "x$GCC" = "xyes" ; then
    case "$CFLAGS" in
     *-Wall*) ;;
     *) warnCFLAGS="-g -Wall -Wunused -std=c99 -pedantic" ;;
    esac
  if test "x$enable_compile_warnings" = "xyes" ; then
    warnCFLAGS="$warnCFLAGS -Wmissing-prototypes -Wmissing-declarations -Wpointer-arith -Wcast-align -Wwrite-strings -Wcast-qual"
  fi
  if test "x$enable_warnings_as_errors" = "xyes" ; then
    warnCFLAGS="$warnCFLAGS -Werror"
  fi
 fi
fi

if test "x$enable_assertions" != "xno"; then
 if test "x$GCC" = "xyes" ; then
	case "$CFLAGS" in
	 *) warnCFLAGS="$warnCFLAGS -DSTRICT_CHECKING";;
	esac
 fi
fi
if test "x$enable_memory_pool" != "xno"; then
 if test "x$GCC" = "xyes" ; then
	case "$CFLAGS" in
	 *) warnCFLAGS="$warnCFLAGS -DVEVO_MEMPOOL";;
	esac
 fi
fi

AC_MSG_RESULT($warnCFLAGS)
if test "x$cflags_set" != "xyes" ; then
  CFLAGS="$CFLAGS $warnCFLAGS"
  cflags_set=yes
fi

AC_CONFIG_FILES([
Makefile
src/Makefile
include/Makefile
examples/Makefile
test/Makefile
vevo-config
])
AC_OUTPUT

AC_DEFINE(VERSION, ${VERSION})