[SCM] polybori: Polynomials over Boolean Rings branch, master, updated. upstream/0.8.2-174-g5b14c47

[Alexander Dreyer]

The following commit has been merged in the master branch:
commit de2fb5a4c07dbb5479f658a27cf15e2b3498a4e9
Author: Alexander Dreyer <adreyer at gmx.de>
Date:   Thu Jan 24 22:42:47 2013 +0100

    Correctly detecting libm4ri's png support
    ---
     SConstruct |    6 +++++-
     1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/SConstruct b/SConstruct
index 86db408..40534db 100644
--- a/SConstruct
+++ b/SConstruct
@@ -936,7 +936,11 @@ if not env.GetOption('clean'):
         libm4ri = ['m4ri']
         if conf.CheckFunc('testing_m4ri_PNGs', """
         #include <m4ri/io.h>
-        #define testing_m4ri_PNGs() mzd_to_png(NULL,"",0,"",0)"""):
+        #if defined(__M4RI_HAVE_LIBPNG) && __M4RI_HAVE_LIBPNG
+        #define testing_m4ri_PNGs() 
+        #else
+        #define testing_m4ri_PNGs() fail fail fail
+        #endif """):
             m4ri_png = True
            
     else:

-- 
polybori: Polynomials over Boolean Rings