AC_INIT(src/calc.c)

AM_CONFIG_HEADER(config.h)
AM_INIT_AUTOMAKE(genius,1.0.2)

dnl make sure we keep ACLOCAL_FLAGS around for maintainer builds to work
AC_SUBST(ACLOCAL_AMFLAGS, "$ACLOCAL_FLAGS")

AM_MAINTAINER_MODE

AC_PROG_INTLTOOL([0.21])

dnl ================= Requirements ================================================

VTE_REQUIRED=0.8.19
LIBGNOMEUI_REQUIRED=2.0.0
LIBGLADE_REQUIRED=1.99.2
LIBGNOME_REQUIRED=2.0.0
GTK_REQUIRED=2.4.0
GLIB_REQUIRED=2.0.0
GTKSOURCEVIEW_REQUIRED=0.3.0
GTKSOURCEVIEW2_REQUIRED=2.0.2

dnl ===============================================================================

AC_ARG_ENABLE(extra-gcc-optimization,
[  --disable-extra-gcc-optimization  Compile without extra GCC optimization (if using GCC)],
use_extraopt="$enableval",use_extraopt=yes)
AC_PROG_CC
if test "x$GCC" = "xyes" -a "x$use_extraopt" = "xyes" ; then
	echo "Turning on extra gcc flags -finline-functions -frename-registers"
	CFLAGS="-finline-functions -frename-registers $CFLAGS"
fi
AC_ISC_POSIX
AC_HEADER_STDC
AM_PROG_LEX
AM_PROG_LIBTOOL
AC_PROG_YACC

AM_BINRELOC

GNOME_COMPILE_WARNINGS

dnl ================= Translation Stuf ==============================================

GETTEXT_PACKAGE=genius
AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE",[gettext package name])
AC_SUBST(GETTEXT_PACKAGE)

ALL_LINGUAS="ar az ca cs de dz el en_CA en_GB es fr ga hi hr it ja ko lv mk ml nb ne nl oc pa pl pt_BR pt rw sq sr@Latn sr sv zh_CN zh_TW"
AM_GLIB_GNU_GETTEXT

dnl ===============================================================================

AC_SUBST(CFLAGS)
AC_SUBST(CPPFLAGS)
AC_SUBST(LDFLAGS)

# glib-genmarshal
AC_PATH_PROG(GLIB_GENMARSHAL, glib-genmarshal)

dnl Check for termcap
AC_CHECK_LIB(termcap, tgetent,[TERMCAP_LIB="-ltermcap"],
	     [AC_CHECK_LIB(ncurses, tgetent,
                           [TERMCAP_LIB="-lncurses"
                            AC_DEFINE(USE_NCURSES,[1], [Use ncurses library])
                            AC_CHECK_HEADER(ncurses/curses.h, [
					    AC_DEFINE(INC_NCURSES,[1],[ncurses include])])], [
			   AC_MSG_ERROR(Termcap library not found)])])
AC_SUBST(TERMCAP_LIB)

dnl Check for readline
AC_CHECK_LIB(readline,readline, [READLINE_LIB="-lreadline"],
	     AC_MSG_ERROR(Readline library not found),
	     $TERMCAP_LIB)
AC_SUBST(READLINE_LIB)

GMP_LIB=""
AC_CHECK_LIB(gmp, __gmpz_init_set,[GMP_LIB=-lgmp], [
	AC_CHECK_LIB(gmp2, __gmpz_init_set_d,[GMP_LIB=-lgmp2
		AC_DEFINE(HAVE_GMP2_INCLUDE_DIR,[1],[Have gmp2 include directory])],
		AC_MSG_ERROR(GMP Library not found))])
AC_SUBST(GMP_LIB)

AC_CHECK_LIB(mpfr, mpfr_pow_z, [],
	[AC_MSG_ERROR([New enough MPFR (2.2.0+) not found, see http://www.mpfr.org])],
	"$GMP_LIB")

# No schemas yet so ignore this section for now
#AC_PATH_PROG(GCONFTOOL, gconftool-2)
#dnl Specify the gconf configuration source,
#dnl default to xml::$(sysconfdir)/gconf/gconf.xml.defaults
#
#GCONF_CONFIG_SOURCE=
#
#AC_ARG_ENABLE(gconf-source, [  --enable-gconf-source=sourceaddress Where to install schema files.], GCONF_CONFIG_SOURCE=$enable_gconf_source,)
#if test "x$GCONF_CONFIG_SOURCE" = "x"; then
#        GCONF_CONFIG_SOURCE="xml::\${sysconfdir}/gconf/gconf.xml.defaults"
#fi
#
#AC_SUBST(GCONF_CONFIG_SOURCE)
#AC_SUBST(INSTALL_GCONF_CONFIG_SOURCE)

AC_ARG_ENABLE(gtksourceview,
[  --disable-gtksourceview Do not use GtkSourceView library even if detected],
use_gtksourceview="$enableval",use_gtksourceview=yes)

AC_ARG_ENABLE(gnome,
[  --disable-gnome         Compile without the GNOME frontend (no GUI, no plotting)],
use_gnome="$enableval",use_gnome=yes)

# Used for the 'genius' binary
PKG_CHECK_MODULES(GENIUS_NOGUI, glib-2.0 >= $GLIB_REQUIRED gmodule-2.0 >= $GLIB_REQUIRED)
AC_SUBST(GENIUS_NOGUI_CFLAGS)
AC_SUBST(GENIUS_NOGUI_LIBS)

# glib
PKG_CHECK_MODULES(GLIB, glib-2.0 >= $GLIB_REQUIRED)
AC_SUBST(GLIB_CFLAGS)
AC_SUBST(GLIB_LIBS)

GENIUS_MODULES="gtk+-2.0 >= $GTK_REQUIRED libgnome-2.0 >= $LIBGNOME_REQUIRED libgnomeui-2.0 >= $LIBGNOMEUI_REQUIRED vte >= $VTE_REQUIRED libglade-2.0 >= $LIBGLADE_REQUIRED"

if test "x$use_gnome" = "xyes" ; then
  echo " 
Testing for presence of GNOME and GtkSourceView:
Note:
      You can compile without GNOME by using the --disable-gnome option
"
  PKG_CHECK_MODULES(GENIUS, $GENIUS_MODULES)

  if test "x$use_gtksourceview" = "xyes" ; then
    PKG_CHECK_MODULES(GSV, gtksourceview-2.0 >= $GTKSOURCEVIEW2_REQUIRED, have_gtksourceview2=yes, have_gtksourceview2=no)

    if test "x$have_gtksourceview2" != "xyes"; then
      PKG_CHECK_MODULES(GSV, gtksourceview-1.0 >= $GTKSOURCEVIEW_REQUIRED, have_gtksourceview=yes, have_gtksourceview=no)
    fi

    if test "x$have_gtksourceview2" = "xyes"; then
      AC_DEFINE(HAVE_GTKSOURCEVIEW,[1],[have gtksourceview])
      AC_DEFINE(HAVE_GTKSOURCEVIEW2,[1],[have gtksourceview2])
    elif test "x$have_gtksourceview" = "xyes"; then
      AC_DEFINE(HAVE_GTKSOURCEVIEW,[1],[have gtksourceview])
    else
      use_gtksourceview=no
    fi
  else
    PKG_CHECK_MODULES(GENIUS, $GENIUS_MODULES)
  fi

  VICIOUS_MODULES="gtk+-2.0 >= $GTK_REQUIRED libgnomeui-2.0 >= $LIBGNOMEUI_REQUIRED libglade-2.0 >= $LIBGLADE_REQUIRED"
  VICIOUS_UI_LIBS="libviciousui.a"
  GTKEXTRA_LIBS="libgtkextra-genius.a"
  
  GNOME_GENIUS=gnome-genius
  GENIUS_READLINE_HELPER_FIFO=genius-readline-helper-fifo
  GNOME_GENIUS_DESKTOP_IN="gnome-genius.desktop.in"

else
  use_gtksourceview=no
  VICIOUS_MODULES="glib-2.0 >= $GLIB_REQUIRED gmodule-2.0 >= $GLIB_REQUIRED"
  VICIOUS_UI_LIBS=
  GTKEXTRA_LIBS=
  GENIUS_CFLAGS="$GENIUS_NOGUI_CFLAGS"
  GENIUS_LIBS="$GENIUS_NOGUI_LIBS"
  GNOME_GENIUS=
  GENIUS_READLINE_HELPER_FIFO=
  GNOME_GENIUS_DESKTOP_IN=
fi

AC_SUBST(VICIOUS_UI_LIBS)
AC_SUBST(GTKEXTRA_LIBS)
AC_SUBST(GENIUS_CFLAGS)
AC_SUBST(GENIUS_LIBS)
AC_SUBST(GSV_CFLAGS)
AC_SUBST(GSV_LIBS)
AC_SUBST(GNOME_GENIUS)
AC_SUBST(GENIUS_READLINE_HELPER_FIFO)
AC_SUBST(GNOME_GENIUS_DESKTOP_IN)

# This is used for vicious-extensions
PKG_CHECK_MODULES(VICIOUS, $VICIOUS_MODULES)
AC_SUBST(VICIOUS_CFLAGS)
AC_SUBST(VICIOUS_LIBS)

AC_CHECK_LIB(popt, poptGetArgs, [POPT_LIBS="-lpopt"],
AC_MSG_ERROR([popt is required to build genius.
You can download the latest version from ftp://ftp.rpm.org/pub/rpm/dist/rpm-4.0.x/]))
AC_SUBST(POPT_LIBS)

dnl ******************************
dnl More compiler warnings
dnl ******************************

AC_ARG_ENABLE(more-warnings,
[  --enable-more-warnings  Maximum compiler warnings],
set_more_warnings="$enableval",[
if test -f $srcdir/.svn/entries; then
	is_cvs_version=true
	set_more_warnings=yes
else
	set_more_warnings=no
fi
])
warning_flags=
realsave_CFLAGS="$CFLAGS"
AC_MSG_CHECKING(for more warnings)
if test "$GCC" = "yes" -a "$set_more_warnings" != "no"; then
	AC_MSG_RESULT(yes)
	warning_flags="-Wall -Wchar-subscripts -Wmissing-declarations -Wmissing-prototypes -Wnested-externs -Wpointer-arith"
	CFLAGS="$warning_flags $CFLAGS"

	for option in -Wno-sign-compare; do
		SAVE_CFLAGS="$CFLAGS"
		CFLAGS="$CFLAGS $option"
		AC_MSG_CHECKING([whether gcc understands $option])
		AC_TRY_COMPILE([], [],
			has_option=yes,
			has_option=no,)
		CFLAGS="$SAVE_CFLAGS"
		AC_MSG_RESULT($has_option)
		if test $has_option = yes; then
		  warning_flags="$warning_flags $option"
		fi
		unset has_option
		unset SAVE_CFLAGS
	done
	unset option
else
	AC_MSG_RESULT(no)
fi
CFLAGS="$realsave_CFLAGS"
EXTRA_WARNING_CFLAGS="$warning_flags"
#	-DG_DISABLE_DEPRECATED \
#	-DGDK_PIXBUF_DISABLE_DEPRECATED \
#	-DGDK_DISABLE_DEPRECATED \
#	-DGTK_DISABLE_DEPRECATED \
#	-DGNOME_DISABLE_DEPRECATED \

AC_SUBST(EXTRA_WARNING_CFLAGS)

dnl wordexp check, we use glob otherwise but that's not perfect
dnl warn the user, we do this on the end so that the user notices
AC_CHECK_FUNC(wordexp,AC_DEFINE(HAVE_WORDEXP,[1],[Have the wordexp function]),
  	      [AC_MSG_WARN([*** You don't have wordexp, glob will be used instead ***])])

dnl scrollkeeper checks 
AC_ARG_ENABLE([scrollkeeper],
	[AC_HELP_STRING([--disable-scrollkeeper],
		[do not make updates to the scrollkeeper database])],,
		enable_scrollkeeper=yes)
AM_CONDITIONAL([ENABLE_SK],[test "$enable_scrollkeeper" = "yes"])

AC_PATH_PROG(SCROLLKEEPER_CONFIG, scrollkeeper-config,no)
if test x$SCROLLKEEPER_CONFIG = xno; then
  AC_MSG_ERROR(Couldn't find scrollkeeper-config. Please install the scrollkeeper package)
fi

dnl mime checks
AC_ARG_ENABLE(update-mimedb,
	AC_HELP_STRING([--disable-update-mimedb],
		[do not update mime database after installation]),,
		enable_update_mimedb=yes)
AM_CONDITIONAL(ENABLE_UPDATE_MIMEDB, test x$enable_update_mimedb = xyes)

AC_OUTPUT([
genius.spec
Makefile
src/Makefile
lib/Makefile
lib/calculus/Makefile
lib/combinatorics/Makefile
lib/equation_solving/Makefile
lib/functions/Makefile
lib/linear_algebra/Makefile
lib/misc/Makefile
lib/sets/Makefile
lib/number_theory/Makefile
lib/statistics/Makefile
lib/symbolic/Makefile
ve/Makefile
gtkextra/Makefile
pixmaps/Makefile
pixmaps/32x32/Makefile
pixmaps/48x48/Makefile
po/Makefile.in
help/Makefile
help/C/Makefile
])

echo "
Configuration:

	Source code location:	     ${srcdir}
	Compiler:		     ${CC} 
	GNOME frontend:		     ${use_gnome}
	Using GtkSourceView:	     ${use_gtksourceview}

	Extra Compiler Warnings:     ${EXTRA_WARNING_CFLAGS}
"