[GRASS-dev] installing v.mapcalc fails

[Paulo van Breugel]

installing v.mapcalc fails, with the following:

g.extension extension=v.mapcalc svnurl=
http://svn.osgeo.org/grass/grass-addons/grass7
Fetching <v.mapcalc> from GRASS-Addons SVN repository (be patient)...
Compiling...
yylex.c: In function ‘yylex’:
yylex.c:32:7: warning: ignoring return value of ‘scanf’,
declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lf", &yylval.dbl);
       ^
make: *** [v.mapcalc.tmp.html] Error 1
ERROR: Compilation failed, sorry. Please check above error messages.

Any ideas?
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