--- configure.orig	2015-03-16 00:38:20.000000000 +0300
+++ configure	2015-04-05 17:24:15.263362000 +0300
@@ -16115,7 +16115,7 @@
 fi
 
 
-CPPFLAGS="-Wall -Wmissing-braces -Wparentheses -pedantic-errors $CPPFLAGS"
+CPPFLAGS="-Wall -Wmissing-braces -Wparentheses $CPPFLAGS"
 
 CPPFLAGS="-I$with_gl_prefix/include $enable_gprof $enable_debug $CPPFLAGS"