dnl -*- mode: m4 -*-
AC_PREREQ(2.52)

AC_INIT(mono/dbus-sharp.dll.config.in)

AC_CANONICAL_TARGET

AM_INIT_AUTOMAKE(dbus-sharp, 0.63)

AM_CONFIG_HEADER(config.h)

# Honor aclocal flags
ACLOCAL="$ACLOCAL $ACLOCAL_FLAGS"

 ## must come before we use the $USE_MAINTAINER_MODE variable later
AM_MAINTAINER_MODE

DBUS_LT_CURRENT=3
DBUS_GLIB_LT_CURRENT=2
AC_SUBST(DBUS_LT_CURRENT)
AC_SUBST(DBUS_GLIB_LT_CURRENT)

AC_PROG_CC
AC_PROG_CXX
AC_ISC_POSIX
AC_HEADER_STDC

#### gcc warning flags

if test "x$GCC" = "xyes"; then
  changequote(,)dnl
  case " $CFLAGS " in
  *[\ \	]-Wall[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wall" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wchar-subscripts[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wchar-subscripts" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wmissing-declarations[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wmissing-declarations" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wmissing-prototypes[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wmissing-prototypes" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wnested-externs[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wnested-externs" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wpointer-arith[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wpointer-arith" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wcast-align[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wcast-align" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wfloat-equal[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wfloat-equal" ;;
  esac

  case " $CFLAGS " in
  *[\ \	]-Wsign-compare[\ \	]*) ;;
  *) CFLAGS="$CFLAGS -Wsign-compare" ;;
  esac
srcdir=`dirname $0`
test -z "$srcdir" && srcdir=.
  if test "x$enable_ansi" = "xyes"; then
    case " $CFLAGS " in
    *[\ \	]-ansi[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -ansi" ;;
    esac

    case " $CFLAGS " in
    *[\ \	]-D_POSIX_C_SOURCE*) ;;
    *) CFLAGS="$CFLAGS -D_POSIX_C_SOURCE=199309L" ;;
    esac

    case " $CFLAGS " in
    *[\ \	]-D_BSD_SOURCE[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -D_BSD_SOURCE" ;;
    esac

    case " $CFLAGS " in
    *[\ \	]-pedantic[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -pedantic" ;;
    esac
  fi
  if test x$enable_gcov = xyes; then
    case " $CFLAGS " in
    *[\ \	]-fprofile-arcs[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -fprofile-arcs" ;;
    esac
    case " $CFLAGS " in
    *[\ \	]-ftest-coverage[\ \	]*) ;;
    *) CFLAGS="$CFLAGS -ftest-coverage" ;;
    esac

    ## remove optimization
    CFLAGS=`echo "$CFLAGS" | sed -e 's/-O[0-9]*//g'`
  fi
  changequote([,])dnl
else
  if test x$enable_gcov = xyes; then
    AC_MSG_ERROR([--enable-gcov can only be used with gcc])
  fi
fi

AM_PROG_LIBTOOL

changequote(,)dnl
# let ourselves use our own unstable API
CPPFLAGS="-DDBUS_API_SUBJECT_TO_CHANGE=1 $CPPFLAGS"
# compress spaces in flags
CFLAGS=`echo "$CFLAGS" | sed -e 's/ +/ /g'`
CXXFLAGS=`echo "$CXXFLAGS" | sed -e 's/ +/ /g'`
CPPFLAGS=`echo "$CPPFLAGS" | sed -e 's/ +/ /g'`
changequote([,])dnl

#### Look for mono
MONO_REQUIRED_VERSION=0.95
AC_SUBST(MONO_REQUIRED_VERSION)
PKG_CHECK_MODULES(MONO_DEPENDENCY, mono >= $MONO_REQUIRED_VERSION, have_mono=true, have_mono=false)

if test "x$enable_mono" = "xyes"; then
	if test "x$have_mono" = "xfalse"; then
		AC_MSG_ERROR([Mono was not found])
	fi
fi

if test "x$have_mono" = "xtrue"; then
	if test `uname -s` = "Darwin"; then
		AC_PATH_PROG(RUNTIME, mint, no)
		AC_PATH_PROG(CSC, mcs, no)
		LIB_PREFIX=
		LIB_SUFFIX=.dylib
	else
		AC_PATH_PROG(RUNTIME, mono, no)
		AC_PATH_PROG(CSC, mcs, no)
		LIB_PREFIX=.so
		LIB_SUFFIX=
	fi
else
	AC_PATH_PROG(CSC, csc.exe, no)
	RUNTIME=
	LIB_PREFIX=
	LIB_SUFFIX=.dylib
fi

if test x$enable_mono = xyes; then
    if test x$have_mcs = xno ; then
	AC_MSG_ERROR([Building Mono bindings explicitly required, but mcs compiler not found])
    fi

    ### Test for GACUTIL
    AC_PATH_PROG(GACUTIL, gacutil, no)
    if test "x$GACUTIL" = "xno" ; then
        AC_MSG_ERROR([No gacutil tool found])
    fi

    AC_SUBST(GACUTIL)
fi

if test x$enable_mono = xauto ; then
    if test x$CSC = xno ; then
        enable_mono=no
    else
    	### Test for GACUTIL
    	AC_PATH_PROG(GACUTIL, gacutil, no)
    	if test "x$GACUTIL" = "xno" ; then
	   enable_mono=no
  	else
	   enable_mono=yes
    	fi
    fi
fi

AC_SUBST(RUNTIME)
AC_SUBST(CSC)
AC_SUBST(GACUTIL)
AC_SUBST(LIB_PREFIX)
AC_SUBST(LIB_SUFFIX)

AM_CONDITIONAL(DBUS_USE_CSC, test x$enable_mono = xyes)
#### Look for monodoc
MONODOC_REQUIRED_VERSION=0.16
AC_SUBST(MONODOC_REQUIRED_VERSION)
PKG_CHECK_MODULES(MONODOC_DEPENDENCY, monodoc >= $MONODOC_REQUIRED_VERSION, have_monodoc=yes, have_monodoc=no)

if test x$enable_mono_docs = xyes; then
    if test x$have_monodoc = xno ; then
	AC_MSG_ERROR([Building Mono docs explicitly required, but monodoc not found])
    else
        AC_PATH_PROG(MONODOC, monodoc, no)
        if test x$MONODOC = xno; then
           AC_MSG_ERROR([Building Mono docs explicitly required, but monodoc not found])	
	fi
    fi
fi

if test x$enable_mono_docs = xauto ; then
    if test x$have_monodoc = xno ; then
        enable_mono_docs=no
	MONODOC=
    else
        AC_PATH_PROG(MONODOC, monodoc, no)
        if test x$MONODOC = xno; then
           enable_mono_docs=no
           MONODOC=
	else
	   enable_mono_docs=yes
        fi
    fi
fi

AC_SUBST(MONODOC)

AM_CONDITIONAL(ENABLE_MONODOC, test "x$enable_mono_docs" = "xyes")
#### Integer sizes 

AC_CHECK_SIZEOF(char)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(__int64)

### See what our 64 bit type is called
AC_MSG_CHECKING([64-bit integer type])

case 8 in
$ac_cv_sizeof_int)
  dbusint64=int
  dbusint64_constant='(val)'
  dbusuint64_constant='(val)'
  ;;
$ac_cv_sizeof_long)
  dbusint64=long
  dbusint64_constant='(val##L)'
  dbusuint64_constant='(val##UL)'
  ;;
$ac_cv_sizeof_long_long)
  dbusint64='long long'
  dbusint64_constant='(val##LL)'
  dbusuint64_constant='(val##ULL)'
  ;;
$ac_cv_sizeof___int64)
  dbusint64=__int64
  dbusint64_constant='(val##i64)'
  dbusuint64_constant='(val##ui64)'
  ;;
esac

if test -z "$dbusint64" ; then
        DBUS_INT64_TYPE="no_int64_type_detected"
        DBUS_HAVE_INT64=0
        DBUS_INT64_CONSTANT=
        DBUS_UINT64_CONSTANT=
        AC_MSG_RESULT([none found])
else
        DBUS_INT64_TYPE="$dbusint64"
        DBUS_HAVE_INT64=1
        DBUS_INT64_CONSTANT="$dbusint64_constant"
        DBUS_UINT64_CONSTANT="$dbusuint64_constant"
        AC_MSG_RESULT($DBUS_INT64_TYPE)
fi

AC_SUBST(DBUS_INT64_TYPE)
AC_SUBST(DBUS_INT64_CONSTANT)
AC_SUBST(DBUS_UINT64_CONSTANT)
AC_SUBST(DBUS_HAVE_INT64)

### see what 32-bit int is called
AC_MSG_CHECKING([32-bit integer type])

case 4 in
$ac_cv_sizeof_short)
  dbusint32=int
  ;;
$ac_cv_sizeof_int)
  dbusint32=int
  ;;
$ac_cv_sizeof_long)
  dbusint32=long
  ;;
esac

if test -z "$dbusint32" ; then
        DBUS_INT32_TYPE="no_int32_type_detected"
        AC_MSG_ERROR([No 32-bit integer type found])
else
        DBUS_INT32_TYPE="$dbusint32"
        AC_MSG_RESULT($DBUS_INT32_TYPE)
fi

AC_SUBST(DBUS_INT32_TYPE)

### see what 16-bit int is called
AC_MSG_CHECKING([16-bit integer type])

case 2 in
$ac_cv_sizeof_short)
  dbusint16=short
  ;;
$ac_cv_sizeof_int)
  dbusint16=int
  ;;
esac

if test -z "$dbusint16" ; then
        DBUS_INT16_TYPE="no_int16_type_detected"
        AC_MSG_ERROR([No 16-bit integer type found])
else
        DBUS_INT16_TYPE="$dbusint16"
        AC_MSG_RESULT($DBUS_INT16_TYPE)
fi

AC_SUBST(DBUS_INT16_TYPE)

## byte order
AC_C_BIGENDIAN


dnl **********************************
dnl *** va_copy checks (from GLib) ***
dnl **********************************
dnl we currently check for all three va_copy possibilities, so we get
dnl all results in config.log for bug reports.
AC_CACHE_CHECK([for an implementation of va_copy()],dbus_cv_va_copy,[
	AC_LINK_IFELSE([#include <stdarg.h>
	void f (int i, ...) {
	va_list args1, args2;
	va_start (args1, i);
	va_copy (args2, args1);
	if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
	  exit (1);
	va_end (args1); va_end (args2);
	}
	int main() {
	  f (0, 42);
	  return 0;
	}],
	[dbus_cv_va_copy=yes],
	[dbus_cv_va_copy=no])
])
AC_CACHE_CHECK([for an implementation of __va_copy()],dbus_cv___va_copy,[
	AC_LINK_IFELSE([#include <stdarg.h>
	void f (int i, ...) {
	va_list args1, args2;
	va_start (args1, i);
	__va_copy (args2, args1);
	if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
	  exit (1);
	va_end (args1); va_end (args2);
	}
	int main() {
	  f (0, 42);
	  return 0;
	}],
	[dbus_cv___va_copy=yes],
	[dbus_cv___va_copy=no])
])

if test "x$dbus_cv_va_copy" = "xyes"; then
  dbus_va_copy_func=va_copy
else if test "x$dbus_cv___va_copy" = "xyes"; then
  dbus_va_copy_func=__va_copy
fi
fi

if test -n "$dbus_va_copy_func"; then
  AC_DEFINE_UNQUOTED(DBUS_VA_COPY,$dbus_va_copy_func,[A 'va_copy' style function])
fi

AC_CACHE_CHECK([whether va_lists can be copied by value],dbus_cv_va_val_copy,[
	AC_TRY_RUN([#include <stdarg.h>
	void f (int i, ...) {
	va_list args1, args2;
	va_start (args1, i);
	args2 = args1;
	if (va_arg (args2, int) != 42 || va_arg (args1, int) != 42)
	  exit (1);
	va_end (args1); va_end (args2);
	}
	int main() {
	  f (0, 42);
	  return 0;
	}],
	[dbus_cv_va_val_copy=yes],
	[dbus_cv_va_val_copy=no],
	[dbus_cv_va_val_copy=yes])
])

if test "x$dbus_cv_va_val_copy" = "xno"; then
  AC_DEFINE(DBUS_VA_COPY_AS_ARRAY,1, ['va_lists' cannot be copies as values])
fi


#### Atomic integers (checks by Sebastian Wilhelmi for GLib)
AC_MSG_CHECKING([whether to use inline assembler routines for atomic integers])
have_atomic_inc=no
if test x"$GCC" = xyes; then
  if test "x$enable_ansi" = "xyes"; then
    AC_MSG_RESULT([no])
  else
    case $host_cpu in
      i386)
        AC_MSG_RESULT([no])
        ;;
      i?86)
        AC_MSG_RESULT([i486])
        AC_DEFINE_UNQUOTED(DBUS_USE_ATOMIC_INT_486, 1, [Use atomic integer implementation for 486])
        have_atomic_inc=yes
        ;;
      *)
        AC_MSG_RESULT([no])
        ;;
    esac
  fi
fi
if test x$have_atomic_inc = xyes ; then
  AC_DEFINE_UNQUOTED(DBUS_HAVE_ATOMIC_INT, 1, [Some atomic integer implementation present])
fi

#### Have to go $localstatedir->$prefix/var->/usr/local/var   
#### someone please fix this a better way...

#### find the actual value for $prefix that we'll end up with
##   (I know this is broken and should be done in the Makefile, but
##    that's a major pain and almost nobody actually seems to care)
REAL_PREFIX=
if test "x$prefix" = "xNONE"; then
  REAL_PREFIX=$ac_default_prefix
else
  REAL_PREFIX=$prefix
fi

## temporarily change prefix and exec_prefix
old_prefix=$prefix
prefix=$REAL_PREFIX

if test "x$exec_prefix" = xNONE ; then
   REAL_EXEC_PREFIX=$REAL_PREFIX
else
   REAL_EXEC_PREFIX=$exec_prefix
fi
old_exec_prefix=$exec_prefix
exec_prefix=$REAL_EXEC_PREFIX

## eval everything
LOCALSTATEDIR_TMP="$localstatedir"
EXPANDED_LOCALSTATEDIR=`eval echo $LOCALSTATEDIR_TMP`
AC_SUBST(EXPANDED_LOCALSTATEDIR)

SYSCONFDIR_TMP="$sysconfdir"
EXPANDED_SYSCONFDIR=`eval echo $SYSCONFDIR_TMP`
AC_SUBST(EXPANDED_SYSCONFDIR)

BINDIR_TMP="$bindir"
EXPANDED_BINDIR=`eval echo $BINDIR_TMP`
AC_SUBST(EXPANDED_BINDIR)

LIBDIR_TMP="$libdir"
EXPANDED_LIBDIR=`eval echo $LIBDIR_TMP`
AC_SUBST(EXPANDED_LIBDIR)

DATADIR_TMP="$datadir"
EXPANDED_DATADIR=`eval echo $DATADIR_TMP`
AC_SUBST(EXPANDED_DATADIR)

## put prefix and exec_prefix back
prefix=$old_prefix
exec_prefix=$old_exec_prefix

#### Tell tests where to find certain stuff in builddir
ABSOLUTE_TOP_BUILDDIR=`cd ${ac_top_builddir}. && pwd`

AC_DEFUN([TEST_PATH], [
TEST_$1=${ABSOLUTE_TOP_BUILDDIR}/test/$2
AC_DEFINE_UNQUOTED(TEST_$1, "$TEST_$1",
                   [Full path to test file test/$2 in builddir])
AC_SUBST(TEST_$1)
])

AC_OUTPUT([
Makefile
mono/Makefile
mono/AssemblyInfo.cs
mono/dbus-sharp.dll.config
mono/doc/Makefile
mono/example/Makefile
dbus-sharp.pc
])