#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

#AC_PREREQ(2.59)
AC_INIT([Agave],
        [0.4.2],
        [https://gna.org/bugs/?group=colorscheme],
        [agave])

AC_CONFIG_SRCDIR([src/main.cc])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE
GNOME_DOC_INIT

dnl Custom macro that checks if the git binary exists, and if it does, it tries
dnl to check the git repository version of the working copy and uses that in 
dnl the application's 'About' window
GIT_REPOSITORY_REVISION()

PACKAGE_WEBSITE=[http://home.gna.org/colorscheme/]
AC_DEFINE_UNQUOTED([PACKAGE_WEBSITE], ["$PACKAGE_WEBSITE"],
                   [The website of Agave])
AC_SUBST([PACKAGE_WEBSITE])

AC_CONFIG_HEADER(config.h)
AM_MAINTAINER_MODE

dnl Set Language to C++ and make sure proper tools exist
AC_LANG(C++)
AC_PROG_CXX
AC_PROG_RANLIB
AC_CHECK_PROGS(SED, sed)
AC_CHECK_PROGS(SORT, sort)
AC_CHECK_PROGS(UNIQ, uniq)
AC_CHECK_PROGS(TR, tr)

dnl i18n
AC_PROG_INTLTOOL([0.35.0])
GETTEXT_PACKAGE=agave
AC_SUBST(GETTEXT_PACKAGE)
AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE], ["$GETTEXT_PACKAGE"],
                   [The domain name to use with gettext])
AM_GLIB_GNU_GETTEXT

PKG_CHECK_MODULES(GTKMM, [
                          gtkmm-2.4 >= 2.8.0
                          ])
PKG_CHECK_MODULES(LIBGLADEMM, [
                          libglademm-2.4
                          ])

dnl Check to see if the version of gtkmm is recent enough to support the new
dnl printing support
PKG_CHECK_MODULES(PRINTING, [gtkmm-2.4 >= 2.10.0], have_gtk_printing=yes,
                  have_gtk_printing=no)
if test "x$have_gtk_printing" = "xyes"; then
    AC_DEFINE([HAVE_GTK_PRINTING], 1, [using at least gtkmm version 2.10.0])
else
    AC_MSG_RESULT(no)
fi

dnl Determine whether to compile with support for GNOME libraries (i.e.
dnl libgnome and libgnomeui)
AC_ARG_ENABLE(gnome, [AC_HELP_STRING([--enable-gnome],
              [build with libgnome support [default=yes]])],,
                        [enable_gnome=yes])

if test "x$enable_gnome" = "xyes"; then
    PKG_CHECK_MODULES([GNOME], [libgnomeui-2.0])
    AC_DEFINE([HAVE_GNOME], [1], [Compile with libgnome support])
fi

dnl Determine whether to compile with support for GConfmm
AC_ARG_ENABLE(gconf, [AC_HELP_STRING([--enable-gconf],
              [build with gconfmm support [default=yes]])],,
                        [enable_gconf=yes])

if test "x$enable_gconf" = "xyes"; then
    PKG_CHECK_MODULES([GCONFMM], [gconfmm-2.6])
    AC_DEFINE([HAVE_GCONFMM], [1], [Compile with gconfmm support])

    dnl ***************
    dnl gconf tool and path info
    dnl ***************
    AC_PATH_PROG(GCONFTOOL, gconftool-2)
    dnl FIXME: this may break if gconf is not installed even if the user
    dnl requests that gconf be disabled.  Do I need to copy this macro into my
    dnl source tree??
    AM_GCONF_SOURCE_2
    AC_SUBST(GCONFTOOL)
else
    dnl workaround for automake complaining about this not being defined if
    dnl AM_GCONF_SOURCE_2 is not executed.
	AM_CONDITIONAL(GCONF_SCHEMAS_INSTALL, false)
fi

dnl Determine whether to compile with debug settings.  Essentially this just
dnl disables compiler optimizations for now
AC_ARG_ENABLE(debug-mode, [AC_HELP_STRING([--enable-debug-mode],
              [build with debug settings (no optimization, test coverage)])],,
              [enable_debug_mode=no])
AC_MSG_CHECKING(whether to compile with debug settings)
if test "x$enable_debug_mode" = "xyes"; then
    AC_MSG_RESULT(yes)
    dnl remove optimization settings from CFLAGS
    CXXFLAGS=[`echo "$CXXFLAGS" | $SED -e 's/-O[0-9]*//g'`]
    CFLAGS=[`echo "$CFLAGS" | $SED -e 's/-O[0-9]*//g'`]
else
    AC_MSG_RESULT(no)
fi

dnl always compile with Wall
CXXFLAGS="$CXXFLAGS -Wall"

dnl Turn on the additional warnings last, so -Werror doesn't affect other tests.
AC_ARG_ENABLE(more-warnings,
[AC_HELP_STRING([--enable-more-warnings], [Maximum compiler warnings])],
set_more_warnings="$enableval",[set_more_warnings=no])
AC_MSG_CHECKING(for more warnings, including -Werror)
if test "$GXX" = "yes" -a "$set_more_warnings" != "no"; then
    AC_MSG_RESULT(yes)
    CXXFLAGS="-Wextra -Weffc++ -Wctor-dtor-privacy -Woverloaded-virtual -Wchar-subscripts -Wpointer-arith \
    -Wcast-align -Wsign-compare -Werror \
    $CXXFLAGS"

    for option in -Wno-strict-aliasing -Wno-sign-compare; do
        SAVE_CFLAGS="$CXXFLAGS"
        CFLAGS="$CXXFLAGS $option"
        AC_MSG_CHECKING([whether gcc understands $option])
        AC_TRY_COMPILE([], [],
                       has_option=yes,
                       has_option=no,)
        if test $has_option = no; then
            CXXFLAGS="$SAVE_CFLAGS"
        fi
        AC_MSG_RESULT($has_option)
        unset has_option
        unset SAVE_CFLAGS
    done
    unset option
else
    AC_MSG_RESULT(no)
fi


dnl Get the cppunit path for doing unit tests
AC_ARG_ENABLE(cppunit, [AC_HELP_STRING([--enable-cppunit],
              [build unit tests [default = yes]])],,
              [enable_cppunit=yes], [enable_cppunit=no])
AM_CONDITIONAL(HAVE_CPPUNIT, test "x$enable_cppunit" = "xyes")
if test -n HAVE_CPPUNIT; then
    AM_PATH_CPPUNIT(1.10.0)
fi

dnl test for boost::shared_ptr
AC_CHECK_HEADER([boost/shared_ptr.hpp], ,AC_MSG_ERROR(dnl
                [Boost header shared_ptr.hpp not found]))

dnl Sort and remove any duplicates from the whitespace separated list of 'words'
dnl so that the compile commandline doesn't get huge because of duplicated flags
dnl and libraries
dnl FIXME: this won't work if paths contain spaces
AC_DEFUN([PRUNE_DUPS],
[`echo $1 | $TR -s "[[:blank:]]" "\n" | $SORT | $UNIQ | $TR "\n" " "`])

dnl Consolidate all libraries and flags into one variable
AGAVE_LIBS=PRUNE_DUPS("$GTKMM_LIBS $LIBGLADEMM_LIBS $GCONFMM_LIBS $GNOME_LIBS")
AGAVE_CFLAGS=PRUNE_DUPS("$GTKMM_CFLAGS $LIBGLADEMM_CFLAGS $GCONFMM_CFLAGS $GNOME_CFLAGS")

AC_SUBST(AGAVE_LIBS)
AC_SUBST(AGAVE_CFLAGS)

dnl Define directory locations for use in the program
AGAVE_LOCALEDIR=[${datadir}/locale]
AGAVE_COMMONDIR=[${datadir}/agave]
AGAVE_ICONDIR=[${AGAVE_COMMONDIR}/pixmaps]
AGAVE_UIDIR=[${AGAVE_COMMONDIR}/ui]
AGAVE_PALETTEDIR=[${AGAVE_COMMONDIR}/palettes]
dnl pass the variables to automake
AC_SUBST([AGAVE_LOCALEDIR])
AC_SUBST([AGAVE_ICONDIR])
AC_SUBST([AGAVE_UIDIR])
AC_SUBST([AGAVE_PALETTEDIR])

AC_CONFIG_FILES([Makefile
                 po/Makefile.in
                 src/Makefile
                    src/core/Makefile
                    src/paletteparser/Makefile
                    src/widgets/Makefile
                    src/dialogs/Makefile
                 pixmaps/Makefile
                 data/Makefile
                 data/agave.desktop.in
                    data/ui/Makefile
                    data/palettes/Makefile
                 tests/Makefile
                     tests/core/Makefile
                     tests/paletteparser/Makefile
                     tests/widgets/Makefile
                 help/Makefile
                 ])

AC_OUTPUT()

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

echo ""
echo "======================================================================"
echo ""
echo "$PACKAGE_NAME configuration:"
echo "  C compiler              : $CC"
echo "  C++ compiler            : $CXX"
echo "  Prefix                  : $prefix"
echo ""
echo "$PACKAGE_NAME will be compiled with the following features:"
echo "  Gconfmm support         : $enable_gconf"
echo "  GNOME library support   : $enable_gnome"
echo "  Printing support        : $have_gtk_printing"
echo ""
echo "The following options will be passed to the compiler:"
echo "  CFLAGS: $CFLAGS"
echo "  CXXFLAGS: $CXXFLAGS"
echo ""
echo "  AGAVE_CFLAGS: $AGAVE_CFLAGS"
echo ""
echo "  AGAVE_LIBS: $AGAVE_LIBS"
echo ""
echo "======================================================================"
echo ""