# Process this file with autoconf to produce a configure script
AC_INIT
AC_CANONICAL_SYSTEM
AM_MAINTAINER_MODE
AM_CONFIG_HEADER(ib_config.h)
AM_INIT_AUTOMAKE(ib, 0.90)

# This is need before AC_PROG_CC
#

if test "x${CFLAGS-}" = x ; then
  cflags_is_set=no
else
  cflags_is_set=yes
fi

if test "x${CPPFLAGS-}" = x ; then
  cppflags_is_set=no
else
  cppflags_is_set=yes
fi

if test "x${LDFLAGS-}" = x ; then
  ldflags_is_set=no
else
  ldflags_is_set=yes
fi

# The following hack should ensure that configure doesn't add optimizing
# or debugging flags to CFLAGS or CXXFLAGS
CFLAGS="$CFLAGS "
CXXFLAGS="$CXXFLAGS "

AC_PROG_CC
AC_PROG_RANLIB
AC_PROG_INSTALL
AC_PROG_LIBTOOL
AC_CHECK_HEADERS(aio.h sched.h)
AC_CHECK_SIZEOF(int, 4)
AC_CHECK_SIZEOF(long, 4)
AC_CHECK_SIZEOF(void*, 4)
AC_CHECK_FUNCS(sched_yield)
AC_CHECK_FUNCS(fdatasync)
AC_CHECK_FUNCS(localtime_r)
#AC_CHECK_FUNCS(readdir_r) MySQL checks that it has also the right args.
# Some versions of Unix only take 2 arguments.
#AC_C_INLINE  Already checked in MySQL
AC_C_BIGENDIAN

# Build optimized or debug version ?
# First check for gcc and g++
if test "$ac_cv_prog_gcc" = "yes"
then
  DEBUG_CFLAGS="-g"
  DEBUG_OPTIMIZE_CC="-O"
  OPTIMIZE_CFLAGS="$MAX_C_OPTIMIZE"
else
  DEBUG_CFLAGS="-g"
  DEBUG_OPTIMIZE_CC=""
  OPTIMIZE_CFLAGS="-O"
fi
if test "$ac_cv_prog_cxx_g" = "yes"
then
  DEBUG_CXXFLAGS="-g"
  DEBUG_OPTIMIZE_CXX="-O"
  OPTIMIZE_CXXFLAGS="-O3"
else
  DEBUG_CXXFLAGS="-g"
  DEBUG_OPTIMIZE_CXX=""
  OPTIMIZE_CXXFLAGS="-O"
fi
AC_ARG_WITH(debug,
    [  --without-debug         Build a production version without debugging code],
    [with_debug=$withval],
    [with_debug=no])
if test "$with_debug" = "yes"
then
  # Medium debug.
  CFLAGS="$DEBUG_CFLAGS $DEBUG_OPTIMIZE_CC -DDBUG_ON -DSAFE_MUTEX $CFLAGS"
  CXXFLAGS="$DEBUG_CXXFLAGS $DEBUG_OPTIMIZE_CXX -DSAFE_MUTEX $CXXFLAGS"
elif test "$with_debug" = "full"
then
  # Full debug. Very slow in some cases
  CFLAGS="$DEBUG_CFLAGS -DDBUG_ON -DSAFE_MUTEX -DSAFEMALLOC $CFLAGS"
  CXXFLAGS="$DEBUG_CXXFLAGS -DSAFE_MUTEX -DSAFEMALLOC $CXXFLAGS"
else
  # Optimized version. No debug
  CFLAGS="$OPTIMIZE_CFLAGS -DDBUG_OFF $CFLAGS -DDEBUG_OFF"
  CXXFLAGS="$OPTIMIZE_CXXFLAGS -DDBUG_OFF $CXXFLAGS -DDEBUG_OFF"
fi

case "$target_os" in
       lin*)
	 CFLAGS="$CFLAGS -DUNIV_LINUX";;
       hpux10*)
	 CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE -DUNIV_HPUX -DUNIV_HPUX10";;
       hp*)
	 CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE -DUNIV_HPUX";;
       aix*)
         CFLAGS="$CFLAGS -DUNIV_AIX";;
       irix*)
	 CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";;
       osf*)
	 CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";;
       sysv5uw7*)
	 # Problem when linking on SCO
	 CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";;
       openbsd*)
         CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";;
esac

case "$target" in
       i[[4567]]86-*-*)
	 CFLAGS="$CFLAGS -DUNIV_INTEL_X86";;
	 # The compiler on Linux/S390 does not seem to have inlining
       s390-*-*)
	 CFLAGS="$CFLAGS -DUNIV_MUST_NOT_INLINE";;
esac

AC_OUTPUT(Makefile os/Makefile ut/Makefile btr/Makefile dnl
		buf/Makefile data/Makefile dnl
		dict/Makefile dyn/Makefile dnl
		eval/Makefile fil/Makefile fsp/Makefile fut/Makefile dnl
		ha/Makefile ibuf/Makefile include/Makefile dnl
		lock/Makefile log/Makefile dnl
		mach/Makefile mem/Makefile mtr/Makefile dnl
		page/Makefile pars/Makefile que/Makefile dnl
		read/Makefile rem/Makefile row/Makefile dnl
		srv/Makefile sync/Makefile thr/Makefile trx/Makefile dnl
		usr/Makefile)
