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-rw-r--r--support/autoconf/ac_latex_classes.m452
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+#
+# Copyright (C) 2004 Boretti Mathieu
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+#
+# AC_LATEX_CLASSES([<class1>,<class2>,...,<classn>],<variable>)
+#
+# Test the presences of class1 or class2 or ...
+# and set $<variable> to the right value or no if not found
+#
+dnl @synopsis AC_LATEX_CLASSES([<class1>,<class2>,...],<var>)
+dnl
+dnl Test if class1 exists and if not class2 and so
+dnl and set $var to the right value
+dnl
+dnl AC_LATEX_CLASSES([allo,book,bnjour],book)
+dnl should set $book="book"
+dnl
+dnl @version 1.3
+dnl @author Mathieu Boretti boretti@eig.unige.ch
+dnl
+define(_AC_LATEX_CLASSES_INTERNE,[
+ ifelse($#,1,[],$#,2,[
+ AC_LATEX_CLASS($2,$1)
+ ],[
+ AC_LATEX_CLASS($2,$1)
+ if test "$$1" = "yes";
+ then
+ $1=$2 ; export $1 ;
+ else
+ _AC_LATEX_CLASSES_INTERNE($1,m4_shift(m4_shift($@)))
+ fi;
+ ])
+])
+
+AC_DEFUN([AC_LATEX_CLASSES],[
+ _AC_LATEX_CLASSES_INTERNE($2,$1)
+ AC_SUBST($2)
+])