m4_define([vte_version_major],[0])
m4_define([vte_version_minor],[23])
m4_define([vte_version_micro],[2])
m4_define([vte_version],[vte_version_major.vte_version_minor.vte_version_micro])

AC_PREREQ([2.59])
AC_INIT(vte, [vte_version],
        [http://bugzilla.gnome.org/enter_bug.cgi?product=vte])
AC_CONFIG_SRCDIR([src/vte.c])
AC_CONFIG_HEADERS([config.h])

AM_INIT_AUTOMAKE([1.9 foreign no-dist-gzip dist-bzip2])

m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])

if test -z "$enable_maintainer_mode"; then
  enable_maintainer_mode=yes
fi
AM_MAINTAINER_MODE([enable])

################################################################################
# Libtool shared library versioning stuffs.
# REVISION gets incremented whenever the source code changes without adding
# an API or ABI change.
LTVERSION_REVISION=0
# CURRENT must be incremented when an API or ABI change (addition or removal)
# is made, and REVISION must be reset to 0 when this happens.
LTVERSION_CURRENT=20
# AGE must be incremented when an API or ABI addition is made, and REVISION
# must be reset to 0 when this happens.
LTVERSION_AGE=11

LIBVTE_LTVERSION=${LTVERSION_CURRENT}:${LTVERSION_REVISION}:${LTVERSION_AGE}
AC_SUBST([LIBVTE_LTVERSION])

################################################################################

AC_ISC_POSIX
AC_PROG_CC
AC_STDC_HEADERS
AM_PROG_CC_STDC

AM_PROG_CC_C_O

AM_PROG_LIBTOOL

AC_PROG_SED

################################################################################
# i18n
################################################################################

IT_PROG_INTLTOOL([0.35.0])

GETTEXT_PACKAGE=vte
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE",
                   [Package translatable messages domain name.])
AM_GLIB_GNU_GETTEXT
AC_CHECK_DECLS(bind_textdomain_codeset,,,[#include "libintl.h"])


################################################################################
# Platform checks
################################################################################

AC_MSG_CHECKING([for a win32 platform])
platform_win32=no
case "$host" in
	*-*-mingw*|*-*-cygwin*)
		platform_win32=yes
		;;
esac
AC_MSG_RESULT([$platform_win32])
AM_CONDITIONAL(PLATFORM_WIN32, test "$platform_win32" = "yes")

os_win32=no
if test "x$platform_win32" = "xyes"; then
	AC_MSG_CHECKING([for native win32])
	case "$host" in
		*-*-mingw*)
			os_win32=yes
			;;
	esac
	AC_MSG_RESULT([$os_win32])
fi
AM_CONDITIONAL(OS_WIN32, test "x$os_win32" = "xyes")


if test "x$platform_win32" != "xyes"; then
	LIBTOOL_EXPORT_OPTIONS=
else
	LIBTOOL_EXPORT_OPTIONS='-no-undefined'
fi
AC_SUBST([LIBTOOL_EXPORT_OPTIONS])
LIBTOOL_FLAGS='-as-needed'
AC_SUBST([LIBTOOL_FLAGS])


################################################################################
# Compilation
################################################################################

dnl Use lots of warning flags with with gcc and compatible compilers
dnl Copied from cairo
AC_DEFUN([VTE_CC_TRY_FLAG], [
  AC_MSG_CHECKING([whether $CC supports $1])

  vte_save_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS $1"

  AC_COMPILE_IFELSE([ ], [vte_cc_flag=yes], [vte_cc_flag=no])
  CFLAGS="$vte_save_CFLAGS"

  if test "x$vte_cc_flag" = "xyes"; then
    ifelse([$2], , :, [$2])
  else
    ifelse([$3], , :, [$3])
  fi
  AC_MSG_RESULT([$vte_cc_flag])
])
AC_DEFUN([VTE_LD_TRY_FLAG], [
  AC_MSG_CHECKING([whether $CC supports $1 when linking])

  vte_save_LDFLAGS="$LDFLAGS"
  LDFLAGS="$LDFLAGS $1"

  AC_LINK_IFELSE([int main(void) {return 0;}],
		[vte_ld_flag=yes], [vte_ld_flag=no])
  LDFLAGS="$vte_save_LDFLAGS"

  if test "x$vte_ld_flag" = "xyes"; then
    ifelse([$2], , :, [$2])
  else
    ifelse([$3], , :, [$3])
  fi
  AC_MSG_RESULT([$vte_ld_flag])
])


dnl Note: if you change the following variable, the cache is automatically
dnl skipped and all flags rechecked.  So there's no need to do anything
dnl else.  If for any reason you need to force a recheck, just change
dnl MAYBE_WARN in an ignorable way (like adding whitespace)

MAYBE_WARN="-Wall -Wextra \
-Wsign-compare -Werror-implicit-function-declaration \
-Wpointer-arith -Wwrite-strings -Wstrict-prototypes \
-Waggregate-return -Wcast-align -Wimplicit -Wuninitialised \
-Wmissing-prototypes -Wmissing-declarations -Wnested-externs \
-Wpacked -Wmissing-format-attribute -Wshadow \
-Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
-Wdeclaration-after-statement -Wold-style-definition \
-Wno-missing-field-initializers -Wno-unused-parameter \
-fno-common -Wno-switch-enum"

# invalidate cached value if MAYBE_WARN has changed
if test "x$vte_cv_warn_maybe" != "x$MAYBE_WARN"; then
	unset vte_cv_warn_cflags
fi
AC_CACHE_CHECK([for supported warning flags], vte_cv_warn_cflags, [
	echo
	WARN_CFLAGS=""

	# Some warning options are not supported by all versions of
	# gcc, so test all desired options against the current
	# compiler.
	#
	# Note that there are some order dependencies
	# here. Specifically, an option that disables a warning will
	# have no net effect if a later option then enables that
	# warnings, (perhaps implicitly). So we put some grouped
	# options (-Wall and -Wextra) up front and the -Wno options
	# last.

	for W in $MAYBE_WARN; do
		VTE_CC_TRY_FLAG([$W], [WARN_CFLAGS="$WARN_CFLAGS $W"])
	done

	vte_cv_warn_cflags=$WARN_CFLAGS
	vte_cv_warn_maybe=$MAYBE_WARN

	AC_MSG_CHECKING([which warning flags were supported])])
WARN_CFLAGS=$vte_cv_warn_cflags
AC_SUBST(WARN_CFLAGS)
CFLAGS="$CFLAGS $WARN_CFLAGS"

PYTHON_LDFLAGS=""
for W in "-Wl,--warn-unresolved-symbols"; do
	VTE_LD_TRY_FLAG([$W], [PYTHON_LDFLAGS="$PYTHON_LDFLAGS $W"])
done
AC_SUBST(PYTHON_LDFLAGS)

# Enable debugging messages and additional run-time checks.
AC_ARG_ENABLE(debug,
	      [AS_HELP_STRING([--enable-debug],
			      [enable extra debugging checks and logging messages]
			      )],
	      DEBUG=$enableval, DEBUG=no)
if test "x$DEBUG" != "xno" ; then
	AC_MSG_RESULT([enabling debug checks and messages])
	AC_DEFINE(VTE_DEBUG,1,[Enable debugging messages.])
fi

################################################################################

GNOME_COMMON_INIT

# Disable deprecations and single includes
# We don't use GNOME_MAINTAINER_MODE_DEFINES here since it's too much and
# it also defines VTE's own defines.
AC_ARG_ENABLE([deprecation],
  [AS_HELP_STRING([--disable-deprecation],
                  [prohibit VTE from using deprecated GLib/Pango/ATK/GDK/GTK+ features (default: $enable_maintainer_mode)])],
  [],[enable_deprecation=$enable_maintainer_mode])
if test "x$enable_deprecation" = xyes; then
  AC_MSG_NOTICE([disabling deprecated GLIB/PANGO/GDK/ATK/GTK+ features])

  AC_DEFINE([ATK_DISABLE_DEPRECATED],[1],[Disable deprecated features])
  AC_DEFINE([ATK_DISABLE_SINGLE_INCLUDES],[1],[Disable single includes])
  AC_DEFINE([G_DISABLE_DEPRECATED],[1],[Disable deprecated features])
  AC_DEFINE([G_DISABLE_SINGLE_INCLUDES],[1],[Disable single includes])
  AC_DEFINE([GDK_DISABLE_DEPRECATED],[1],[Disable deprecated features])
  AC_DEFINE([GDK_DISABLE_SINGLE_INCLUDES],[1],[Disable single includes])
  AC_DEFINE([GDK_PIXBUF_DISABLE_DEPRECATED],[1],[Disable deprecated features])
  AC_DEFINE([GDK_PIXBUF_DISABLE_SINGLE_INCLUDES],[1],[Disable single includes])
  AC_DEFINE([GTK_DISABLE_DEPRECATED],[1],[Disable deprecated features])
  AC_DEFINE([GTK_DISABLE_SINGLE_INCLUDES],[1],[Disable single includes])
  AC_DEFINE([PANGO_DISABLE_DEPRECATED],[1],[Disable deprecated features])
  AC_DEFINE([PANGO_DISABLE_SINGLE_INCLUDES],[1],[Disable single includes])
fi

################################################################################
# Core
################################################################################

# Use all available features under glibc, and disable accidental use of
# deprecated functionality.
AC_EGREP_CPP(glibc,
		[
		 #include <stdio.h>
		 #ifdef __GLIBC__
		 glibc
		 #endif
		],
		AC_DEFINE(_GNU_SOURCE,1,[Use all glibc features.]))

case $host in
*-*-solaris*)
	AC_DEFINE(_XOPEN_SOURCE_EXTENDED,1,[Needed to get declarations for msg_control and msg_controllen on Solaris])
	AC_DEFINE(_XOPEN_SOURCE,1,[Needed to get declarations for msg_control and msg_controllen on Solaris])
	AC_DEFINE(__EXTENSIONS__,1,[Needed to get declarations for msg_control and msg_controllen on Solaris])
	;;
esac

GLIB_REQUIRED=2.22.0
PANGO_REQUIRED=1.22.0
GTK_REQUIRED=2.14.0
AC_DEFINE(GDK_MULTIHEAD_SAFE,1,[Force use of GDK's multihead-safe APIs.])
PKG_CHECK_MODULES(GLIB,[glib-2.0 > $GLIB_REQUIRED])
PKG_CHECK_MODULES(GOBJECT,[glib-2.0 gobject-2.0])
PKG_CHECK_MODULES(GTK,[glib-2.0 >= $GLIB_REQUIRED gobject-2.0 gtk+-2.0 >= $GTK_REQUIRED])

# Let the user specify the default terminal emulation.
AC_ARG_WITH(default-emulation,
AS_HELP_STRING(--with-default-emulation=xterm,default terminal type to be emulated),
emulation=$withval,emulation=xterm)
AC_DEFINE_UNQUOTED(VTE_DEFAULT_EMULATION,"$emulation",[The default terminal type to be emulated.])
VTE_DEFAULT_EMULATION=$emulation
AC_SUBST(VTE_DEFAULT_EMULATION)
AM_CONDITIONAL(VTE_DEFAULT_EMULATION, [test "$emulation" != xterm])

# Check for headers.
AC_CHECK_HEADERS(sys/select.h sys/syslimits.h sys/termios.h sys/un.h sys/wait.h stropts.h termios.h wchar.h)
AC_HEADER_TIOCGWINSZ

# Check for PTY handling functions.
AC_CHECK_FUNCS([cfmakeraw fork setsid setpgid getpgid getpt grantpt unlockpt ptsname ptsname_r tcgetattr tcsetattr])

# Pull in the right libraries for various functions which might not be
# bundled into an exploded libc.
AC_CHECK_FUNC(socket,[have_socket=1],AC_CHECK_LIB(socket,socket,[have_socket=1; LIBS="$LIBS -lsocket"]))
AC_CHECK_FUNC(socketpair,[have_socketpair=1],AC_CHECK_LIB(socket,socketpair,[have_socketpair=1; LIBS="$LIBS -lsocket"]))
AC_CHECK_FUNC(recvmsg,[have_recvmsg=1],AC_CHECK_LIB(socket,recvmsg,[have_recvmsg=1; LIBS="$LIBS -lsocket -lnsl"]))
if test x$have_socket = x1 ; then
	AC_DEFINE(HAVE_SOCKET,1,[Define if you have the socket function.])
fi
if test x$have_socketpair = x1 ; then
	AC_DEFINE(HAVE_SOCKETPAIR,1,[Define if you have the socketpair function.])
fi
if test x$have_recvmsg = x1 ; then
	AC_DEFINE(HAVE_RECVMSG,1,[Define if you have the recvmsg function.])
fi
AC_CHECK_FUNC(floor,,AC_CHECK_LIB(m,floor,LIBS=["$LIBS -lm"]))
AC_CHECK_FUNCS([ceil floor])

# Look for tgetent

AC_CHECK_FUNC([tgetent],[vte_cv_termcap_lib=libc],
  [AC_CHECK_LIB([ncurses],[tgetent],[vte_cv_termcap_lib=libncurses],
    [AC_CHECK_LIB([tinfo],[tgetent],[vte_cv_termcap_lib=libtinfo],
      [AC_CHECK_LIB([curses],[tgetent],[vte_cv_termcap_lib=libcurses],
        [AC_CHECK_LIB([termcap],[tgetent],[vte_cv_termcap_lib=libtermcap],
          [vte_cv_termcap_lib=])])])])])

case "$vte_cv_termcap_lib" in
  libc)       # FIXME: which headers to include here?
              ;;
  libncurses) # We need ncurses.h and term.h, or ncurses/curses.h and ncurses/term.h
              AC_CHECK_HEADERS([ncurses.h term.h],[],
                [AC_CHECK_HEADERS([ncurses/curses.h ncurses/term.h],[],
                  [AC_MSG_ERROR([ncurses headers not found])])])
              LIBS="-lncurses $LIBS"
              ;;
  libtinfo)   # Need ncurses/curses.h and ncurses/term.h
              AC_CHECK_HEADERS([ncurses.h term.h],[],
                [AC_CHECK_HEADERS([ncurses/curses.h ncurses/term.h],[],
                  [AC_MSG_ERROR([ncurses headers not found])])])
              LIBS="-ltinfo $LIBS"
              ;;
  libcurses)  # Need curses.h and term.h
              AC_CHECK_HEADERS([curses.h term.h],[],
                [AC_MSG_ERROR([curses headers not found])],
                [[#ifdef HAVE_CURSES_H
                  #include <curses.h>
                  #endif]])
              LIBS="-lcurses $LIBS"
              ;;
  libtermcap) # Need termcap.h
              AC_CHECK_HEADERS([termcap.h],[],
                [AC_MSG_ERROR([termcap headers not found])])
              LIBS="-ltermcap $LIBS"
              ;;
  *)          AC_MSG_ERROR([tgetent not found in any library]) ;;
esac

# Search for the required modules.
VTE_PKGS="glib-2.0 >= $GLIB_REQUIRED gobject-2.0 pango >= $PANGO_REQUIRED gtk+-2.0 >= $GTK_REQUIRED"
PKG_CHECK_MODULES([VTE],[$VTE_PKGS])
AC_SUBST([VTE_PKGS])

wcs_funcs_includes="
#ifdef HAVE_STRING_H
# if !STDC_HEADERS && HAVE_MEMORY_H
#  include <memory.h>
# endif
# include <string.h>
#else
# ifdef HAVE_STRINGS_H
#  include <strings.h>
# endif
#endif
#ifdef HAVE_WCHAR_H
# include <wchar.h>
#endif
"

AC_CHECK_TYPES(wint_t, AC_DEFINE(HAVE_WINT_T, , [Defined when the wint_t type is supported]), ,$wcs_funcs_includes)


################################################################################
# Auxillary modules
################################################################################

# Search for Python.
BUILD_PYTHON=true
AC_ARG_ENABLE(python, [AS_HELP_STRING(--enable-python,Build python bindings [default=yes])],[
if test x"$enableval" != xno ; then
	BUILD_PYTHON=true
else
	BUILD_PYTHON=false
fi],BUILD_PYTHON=true)

if $BUILD_PYTHON ; then
	AM_PATH_PYTHON
	if test -z "$PYTHON" ; then
		BUILD_PYTHON=false
	fi
fi

if $BUILD_PYTHON ; then
	AC_MSG_CHECKING(for python >= 2.2)
	prog="
import sys, string
minver = (2,2,0,'final',0)
if sys.version_info < minver:
	sys.exit(1)
sys.exit(0)
"
	if $PYTHON -c "$prog" 1>&AC_FD_CC 2>&AC_FD_CC
	then
		AC_MSG_RESULT([okay])
	else
		BUILD_PYTHON=false
		AC_MSG_RESULT([too old])
	fi
fi

if $BUILD_PYTHON ; then
	AM_CHECK_PYTHON_HEADERS(,BUILD_PYTHON=false)
fi

if $BUILD_PYTHON ; then
	AC_MSG_CHECKING([for pygtk-2.0])
	if pkg-config --exists pygtk-2.0 ; then
		AC_MSG_RESULT([found])
		PKG_CHECK_MODULES(PYGTK,[pygtk-2.0])

		AC_PATH_PROG(PYGTK_CODEGEN, pygtk-codegen-2.0, no)
		if test "x$PYGTK_CODEGEN" = xno; then
		  AC_MSG_ERROR(could not find pygtk-codegen-2.0 script)
		fi

		AC_MSG_CHECKING(for pygtk defs)
		PYGTK_DEFSDIR=`$PKG_CONFIG --variable=defsdir pygtk-2.0`
		AC_SUBST(PYGTK_DEFSDIR)
		AC_MSG_RESULT($PYGTK_DEFSDIR)
	else
		AC_MSG_RESULT([not found])
		BUILD_PYTHON=false
	fi
fi

if ! $BUILD_PYTHON ; then
	AC_MSG_RESULT([Python bindings disabled.])
fi

AC_SUBST(PYTHONREV)
AC_SUBST(PYTHONMODULES)
AM_CONDITIONAL(BUILD_PYTHON_MODULES, $BUILD_PYTHON)

AC_ARG_ENABLE(gnome-pty-helper, [AS_HELP_STRING(--enable-gnome-pty-helper,Build a setuid helper for opening ptys [default=yes])], enable_gnome_pty_helper="$enableval", enable_gnome_pty_helper=yes)
if test "$enable_gnome_pty_helper" != no; then
	AC_DEFINE(VTE_USE_GNOME_PTY_HELPER,1,[Define if you intend to use gnome-pty-helper.])
	AC_CONFIG_SUBDIRS(gnome-pty-helper)
fi
AM_CONDITIONAL(BUILD_GNOME_PTY_HELPER,[test "$enable_gnome_pty_helper" != no])

AC_PATH_PROG([GLIB_GENMARSHAL],[glib-genmarshal])
AC_PATH_PROG([GLIB_MKENUMS],[glib-mkenums])

################################################################################
# Glade catalogue
################################################################################

AC_MSG_CHECKING([whether to install the glade catalogue])
AC_ARG_ENABLE([glade-catalogue],
  [AS_HELP_STRING([--disable-glade],[Disable installing the glade catalogue])],
  [],[enable_glade_catalogue=no])
AC_MSG_RESULT([$enable_glade_catalogue])

if test "$enable_glade_catalogue" = "yes"; then
  GLADE_CATALOGUE_DIR="$($PKG_CONFIG --variable=catalogdir gladeui-1.0)"
  GLADE_ICON_DIR="$($PKG_CONFIG --variable=pixmapdir gladeui-1.0)"
  GLADE_MODULE_DIR="$($PKG_CONFIG --variable=moduledir gladeui-1.0)"

  if test -z "$GLADE_CATALOGUE_DIR" -o -z "$GLADE_MODULE_DIR"; then
    AC_MSG_ERROR([gladeui-1.0 not found])
  fi

  AC_SUBST([GLADE_CATALOGUE_DIR])
  AC_SUBST([GLADE_ICON_DIR])
  AC_SUBST([GLADE_MODULE_DIR])
fi
  
AM_CONDITIONAL([ENABLE_GLADE_CATALOGUE],[test "$enable_glade_catalogue" = "yes"])

################################################################################

GTK_DOC_CHECK([1.0])

################################################################################

AC_SUBST([VTE_MAJOR_VERSION],[vte_version_major])
AC_SUBST([VTE_MINOR_VERSION],[vte_version_minor])
AC_SUBST([VTE_MICRO_VERSION],[vte_version_micro])

################################################################################

AC_CONFIG_FILES([
Makefile
src/Makefile
src/vteversion.h
termcaps/Makefile
perf/Makefile
python/Makefile
python/pyvte.pc
po/Makefile.in
doc/Makefile
doc/openi18n/Makefile
doc/reference/Makefile
glade/Makefile
vte.pc
vte-uninstalled.pc
])
AC_OUTPUT


#####################
# Print configuration
#####################
cat <<EOF | tee -a config.log

## -------------- ##
## Configuration. ##
## -------------- ##

Configuration for libvte $VERSION
	Installing Glade catalogue: $enable_glade_catalogue
	Debugging: $DEBUG
	Disallow deprecated features: $enable_deprecation
EOF