path: root/configure.in

AC_PREREQ(2.56)
AC_INIT(vte, [0.15.1],
        [http://bugzilla.gnome.org/enter_bug.cgi?product=vte])
AC_CONFIG_SRCDIR([src/vte.c])
AM_INIT_AUTOMAKE(1.6)
AM_CONFIG_HEADER([config.h])

AC_ISC_POSIX
AC_PROG_CC
AC_STDC_HEADERS
AM_PROG_CC_STDC
AM_MAINTAINER_MODE

AM_PROG_LIBTOOL
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])


# On some OSs, AC_PATH_XTRA doesn't work right(?), so let the user specify
# X_PRE_LIBS and X_EXTRA_LIBS to add even more libraries, and add -lX11 to
# the list of libraries for grins.
AC_PATH_XTRA([X11], [X11/Xlib.h], [XFlush(NULL)])
if test "$have_x" = yes ; then
	if test -d "$ac_x_includes" ; then
		X_CFLAGS="-I$ac_x_includes $X_CFLAGS"
	fi
	X_LIBS="$X_PRE_LIBS $X_LIBS -lX11 $X_EXTRA_LIBS"
	if test -d "$ac_x_libraries" ; then
		X_LIBS="-L$ac_x_libraries $X_LIBS"
	fi
fi
AC_SUBST([X_CFLAGS X_LIBS])


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


AC_DEFINE(GDK_MULTIHEAD_SAFE,1,[Force use of GDK's multihead-safe APIs.])
PKG_CHECK_MODULES(GLIB,glib-2.0 > 2.9.0)
PKG_CHECK_MODULES(GOBJECT,[glib-2.0 gobject-2.0])
PKG_CHECK_MODULES(GTK,[glib-2.0 gobject-2.0 gtk+-2.0 >= 2.6.0])

wantedmodules="glib-2.0 gobject-2.0 gtk+-2.0 fontconfig"

AC_ARG_ENABLE(deprecation,
	      [AS_HELP_STRING([--enable-deprecation],
			      [prohibit VTE from using deprecated GLib/Pango/GDK/GTK+ features])
	      ],
	      usedeprecation=$enableval, usedeprecation=no)
if test "x$usedeprecation" = "xyes" ; then
	AC_DEFINE(G_DISABLE_DEPRECATED, 1, [Disable deprecated GLib features.])
	AC_DEFINE(GDK_DISABLE_DEPRECATED, 1, [Disable deprecated GDK features.])
	AC_DEFINE(GDK_PIXBUF_DISABLE_DEPRECATED, 1, [Disable deprecated gdk-pixbuf features.])
	AC_DEFINE(GTK_DISABLE_DEPRECATED, 1, [Disable deprecated GTK+ features.])
	AC_DEFINE(PANGO_DISABLE_DEPRECATED, 1, [Disable deprecated Pango features.])
fi

# 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)

# Miscellaneous definitions.
AC_DEFINE(VTE_UTF8_BPC,6,[Maximum number of bytes used per UTF-8 character.])
AC_DEFINE(VTE_INVALID_SOURCE,-1,[A number which can never be a valid source ID.])
AC_DEFINE_UNQUOTED(PACKAGE,"$PACKAGE",[Package name.])

# 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])

# 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"]))

# Look for ncurses or curses or termcap.
AC_CHECK_HEADER(ncurses.h,[AC_CHECK_HEADER(term.h,[AC_CHECK_LIB(ncurses,tgetent,[LIBS="-lncurses $LIBS";AC_DEFINE(HAVE_NCURSES,1,[Define if you have ncurses.h and libncurses])])])])
if test x$ac_cv_lib_ncurses_tgetent != xyes ; then
	AC_CHECK_HEADER(ncurses/curses.h,[AC_CHECK_HEADER(ncurses/term.h,[AC_CHECK_LIB(ncurses,tgetent,[LIBS="-lncurses $LIBS";AC_DEFINE(HAVE_NCURSES_CURSES,1,[Define if you have ncurses/curses.h and libncurses])])])])
	if test x$ac_cv_lib_ncurses_tgetent != xyes ; then
		AC_CHECK_HEADER(curses.h,[AC_CHECK_HEADER(term.h,[AC_CHECK_LIB(curses,tgetent,[LIBS="-lcurses $LIBS";AC_DEFINE(HAVE_CURSES,1,[Define if you have curses.h and libcurses])])])])
		if test x$ac_cv_lib_curses_tgetent != xyes ; then
			AC_CHECK_HEADER(termcap.h,[AC_CHECK_LIB(termcap,tgetent,[LIBS="-ltermcap $LIBS";AC_DEFINE(HAVE_TERMCAP,1,[Define if you have termcap.h and libtermcap])])])
			if test x$ac_cv_header_termcap_h != xyes ; then
				AC_MSG_ERROR([You must have at least one of ncurses, curses, or libtermcap installed to build vte.])
			fi
		fi
	fi
fi


################################################################################
# Backends
################################################################################

# Use Xft2 if Pango has Xft2 support and it isn't disabled.
if test "x$have_x" = "xyes" ; then
	AC_ARG_WITH(xft2,
		    [AS_HELP_STRING([--with-xft2],
				    [enable drawing using Xft2])
		    ], with_xft2=$withval, with_xft2=yes)
	if test "x$with_xft2" = "xyes" ; then
		PKG_CHECK_EXISTS([pangoxft >= 1.1.0], [
			AC_DEFINE(HAVE_XFT2,1,[Whether we have Xft2])
			wantedmodules="xft >= 2.0 $wantedmodules pangoxft >= 1.1.0"
			],[
			AC_MSG_WARN([Xft2 not detected])
			with_xft2="no - not detected"
			])
	fi
else
	with_xft2="no - missing X Window System"
fi
AM_CONDITIONAL(BUILD_XFT, test "x$with_xft2" = "xyes")

# Use PangoX if we have it and it isn't disabled.
if test "x$usedeprecation" != "xyes" ; then
	if test "x$have_x" = "xyes" ; then
		AC_ARG_WITH(pangox,
			    [AS_HELP_STRING([--with-pangox],
					    [enable drawing using PangoX])
			    ], with_pangox=$withval, with_pangox=yes)
		if test "x$with_pangox" = "xyes" ; then
			PKG_CHECK_EXISTS(pangox, [
				AC_DEFINE(HAVE_PANGOX, 1, 
					  [Whether we have PangoX])
				wantedmodules="$wantedmodules pangox"
				],[
				AC_MSG_WARN([PangoX not detected])
				with_pangox="no - not detected"
				])
		fi
	else
		with_pangox="no - missing X Window System"
	fi
else
	with_pangox="no - deprecated"
fi
AM_CONDITIONAL(BUILD_PANGOX, test "x$with_pangox" = "xyes")

# Use glX if we have it and it isn't disabled.
if test "$have_x" = yes ; then
	AC_ARG_WITH(glX,[AS_HELP_STRING(--with-glX,enable drawing using glX)],with_glx=$withval,with_glx=no)
	if test $with_glx = yes ; then
		have_gl=0
		have_libgl=0
		AC_CHECK_HEADERS(GL/glx.h)
		if test $ac_cv_header_GL_glx_h = yes ; then
			AC_CHECK_FUNC(glXQueryExtension,[have_gl=1],AC_CHECK_LIB(GL,glXQueryExtension,[have_gl=1;have_libgl=1]))
		fi
		if test $have_gl = 1 ; then
			AC_DEFINE(HAVE_GL,1,[Whether we have GL and glX.])
		fi
		if test $have_libgl = 1 ; then
			LIBS="-lGLU -lGL $LIBS"
		fi
	fi
fi

# Search for the required modules.
PKG_CHECK_MODULES(VTE,[$wantedmodules])
NEEDEDPACKAGES="$wantedmodules"
AC_SUBST(NEEDEDPACKAGES)

# Require Freetype2.  We use our local copy of the macro because packages of
# freetype's development files don't always include the proper macro.
VTE_CHECK_FT2(6.1.0,,[AC_MSG_ERROR([You must have freetype 2.0.2 or later to build vte.])])

# Temporarily pull in the Freetype cflags and libs for checking what's
# available in this version.
savecflags="$CFLAGS"
CFLAGS="$CFLAGS $FT2_CFLAGS"
savecppflags="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $FT2_CFLAGS"
if test -d "$ac_x_includes" ; then
	CFLAGS="$CFLAGS -I$ac_x_includes"
	CPPFLAGS="$CPPFLAGS -I$ac_x_includes"
fi
AC_CHECK_HEADERS(ft2build.h)
if test x$ac_cv_header_ft2build_h != xyes ; then
	AC_MSG_ERROR([You must have freetype 2.0.2 or later to build vte.])
fi

AC_CHECK_DECL(ft_render_mode_mono,[AC_DEFINE(HAVE_DECL_ft_render_mode_mono,1,Define if your freetype2 installation defines ft_render_mode_mono.)],,[
#ifdef HAVE_FT2BUILD_H
#include <ft2build.h>
#include FT_FREETYPE_H
#endif
])

AC_CHECK_DECL(FT_RENDER_MODE_MONO,[AC_DEFINE(HAVE_DECL_FT_RENDER_MODE_MONO,1,Define if your freetype2 installation defines FT_RENDER_MODE_MONO.)],,[
#ifdef HAVE_FT2BUILD_H
#include <ft2build.h>
#include FT_FREETYPE_H
#endif
])

AC_CHECK_DECLS(FT_LOAD_NO_HINTING,,,[
#ifdef HAVE_FT2BUILD_H
#include <ft2build.h>
#include FT_FREETYPE_H
#endif
])

AC_CHECK_DECLS(FT_RENDER_MODE_LIGHT,,,[
#ifdef HAVE_FT2BUILD_H
#include <ft2build.h>
#include FT_FREETYPE_H
#endif
])

AC_CHECK_DECLS(FT_RENDER_MODE_NORMAL,,,[
#ifdef HAVE_FT2BUILD_H
#include <ft2build.h>
#include FT_FREETYPE_H
#endif
])

AC_CHECK_DECL(FT_PIXEL_MODE_MONO,[AC_DEFINE(HAVE_DECL_FT_PIXEL_MODE_MONO,1,Define if your freetype2 build declares FT_PIXEL_MODE_MONO.)],,[
#ifdef HAVE_FT2BUILD_H
#include <ft2build.h>
#include FT_FREETYPE_H
#endif
])
AC_CHECK_DECL(ft_pixel_mode_mono,[AC_DEFINE(HAVE_DECL_ft_pixel_mode_mono,1,Define if your freetype2 build declares ft_pixel_mode_mono.)],,[
#ifdef HAVE_FT2BUILD_H
#include <ft2build.h>
#include FT_FREETYPE_H
#endif
])

AC_CHECK_DECLS(FT_PIXEL_MODE_GRAY2,,,[
#ifdef HAVE_FT2BUILD_H
#include <ft2build.h>
#include FT_FREETYPE_H
#endif
])
AC_CHECK_DECLS(FT_PIXEL_MODE_GRAY4,,,[
#ifdef HAVE_FT2BUILD_H
#include <ft2build.h>
#include FT_FREETYPE_H
#endif
])

AC_CHECK_DECL(FT_PIXEL_MODE_GRAY,[AC_DEFINE(HAVE_DECL_FT_PIXEL_MODE_GRAY,1,Define if your freetype2 build declares FT_PIXEL_MODE_GRAY.)],,[
#ifdef HAVE_FT2BUILD_H
#include <ft2build.h>
#include FT_FREETYPE_H
#endif
])
AC_CHECK_DECL(ft_pixel_mode_grays,[AC_DEFINE(HAVE_DECL_ft_pixel_mode_grays,1,Define if your freetype2 build declares ft_pixel_mode_grays.)],,[
#ifdef HAVE_FT2BUILD_H
#include <ft2build.h>
#include FT_FREETYPE_H
#endif
])

AC_CHECK_DECLS(FT_PIXEL_MODE_LCD,,,[
#ifdef HAVE_FT2BUILD_H
#include <ft2build.h>
#include FT_FREETYPE_H
#endif
])

CFLAGS="$savecflags"
CPPFLAGS="$savecppflags"


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

# Save the names of these other libraries.
OTHERCFLAGS="$X_CFLAGS"
AC_SUBST(OTHERCFLAGS)
OTHERLIBS="$LIBS"
AC_SUBST(OTHERLIBS)

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])
])


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 -Wswitch-enum -Wmissing-format-attribute \
-Wstrict-aliasing=2 -Winit-self -Wunsafe-loop-optimizations \
-Wdeclaration-after-statement -Wold-style-definition \
-Wno-missing-field-initializers -Wno-unused-parameter"


# 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"

# Enable debugging messages and additional run-time checks.
AC_ARG_ENABLE(debugging,
	      [AS_HELP_STRING([--enable-debugging],
			      [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

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])

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

GTK_DOC_CHECK([1.0])

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

AC_CONFIG_FILES([
Makefile
src/Makefile
termcaps/Makefile
python/Makefile
po/Makefile.in
doc/Makefile
doc/openi18n/Makefile
doc/reference/Makefile
vte.pc
vte-uninstalled.pc
vte.spec
])
AC_OUTPUT


#####################
# Print configuration
#####################
echo "
Configuration for libvte $VERSION
	With XFT: $with_xft2
	With PangoX: $with_pangox
	Debugging: $DEBUG
	Disable deprecated features: $usedeprecation
"