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GTK 3 port: arrange configure.ac support for GTK 2/3 detection.

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GTK 3 is the default, falling back to GTK 2 if 3 isn't available; you
can also say --with-gtk=2 to force GTK 2.
This commit is contained in:
Simon Tatham
2015-10-03 12:28:28 +01:00
parent 41cc7c868f
commit 9df80d7587
1 changed files with 34 additions and 1 deletions
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35
configure.ac
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@ -4,7 +4,40 @@ AC_INIT([puzzles], [6.66], [anakin@pobox.com])
AC_CONFIG_SRCDIR([midend.c])
AM_INIT_AUTOMAKE([foreign])
AC_PROG_CC
AM_PATH_GTK_2_0([2.0.0])
AC_ARG_WITH([gtk],
[AS_HELP_STRING([--with-gtk=VER],
[specify GTK version to use (`2' or `3')])],
[gtk_version_desired="$withval"],
[gtk_version_desired="any"])
case "$gtk_version_desired" in
2 | 3 | any) ;;
yes) gtk_version_desired="any" ;;
*) AC_ERROR([Invalid GTK version specified])
esac
gtk=none
case "$gtk_version_desired:$gtk" in
3:none | any:none)
ifdef([AM_PATH_GTK_3_0],[
AM_PATH_GTK_3_0([3.0.0], [gtk=3], [])
],[AC_WARNING([generating configure script without GTK 3 autodetection])])
;;
esac
case "$gtk_version_desired:$gtk" in
2:none | any:none)
ifdef([AM_PATH_GTK_2_0],[
AM_PATH_GTK_2_0([2.0.0], [gtk=2], [])
],[AC_WARNING([generating configure script without GTK 2 autodetection])])
;;
esac
if test "$gtk" = "none"; then
AC_MSG_ERROR([cannot build without GTK 2 or GTK 3])
fi
if test "x$GCC" = "xyes"; then
AC_MSG_CHECKING([for usable gcc warning flags])