lib/nmatrix/mkmf.rb in nmatrix-0.2.3 vs lib/nmatrix/mkmf.rb in nmatrix-0.2.4

@@ -89,15 +89,12 @@
 $CFLAGS += " -O3 "
 #$CFLAGS += " -static -O0 -g "
 $CXXFLAGS += " -O3 -std=#{$CXX_STANDARD} " #-fmax-errors=10 -save-temps
 #$CXXFLAGS += " -static -O0 -g -std=#{$CXX_STANDARD} "
 
-CONFIG['warnflags'].gsub!('-Wshorten-64-to-32', '') # doesn't work except in Mac-patched gcc (4.2)
-CONFIG['warnflags'].gsub!('-Wdeclaration-after-statement', '')
-CONFIG['warnflags'].gsub!('-Wimplicit-function-declaration', '')
-
+if CONFIG.has_key?('warnflags')
+  CONFIG['warnflags'].gsub!('-Wshorten-64-to-32', '') # doesn't work except in Mac-patched gcc (4.2)
+  CONFIG['warnflags'].gsub!('-Wdeclaration-after-statement', '')
+  CONFIG['warnflags'].gsub!('-Wimplicit-function-declaration', '')
+end
+  
 have_func("rb_array_const_ptr", "ruby.h")
-have_macro("FIX_CONST_VALUE_PTR", "ruby.h")
-have_macro("RARRAY_CONST_PTR", "ruby.h")
-have_macro("RARRAY_AREF", "ruby.h")
-
-