ext/gdal-ruby/ogr/extconf.rb in gdal-0.0.6 vs ext/gdal-ruby/ogr/extconf.rb in gdal-0.0.7

@@ -1,19 +1,20 @@
 require 'mkmf'
 
 raise 'gdal-config not found.' if `which gdal-config`.empty?
 
-raise 'gdal-config not found.' if `which gdal-config`.empty?
-
 dir_config 'gdal',
            `gdal-config --cflags`.split(' ')[0].gsub(/-I/, ''),
            `gdal-config --libs`.split(' ')[0].gsub(/-L/, '')
 
 have_library 'gdal' or raise 'libgdal not found'
 
 pkg_config 'gdal'
 
 $libs = append_library $libs, 'gdal'
+
+# earlier versions of ruby do not define $CXXFLAGS
+$CXXFLAGS = CONFIG["CXXFLAGS"] unless defined?($CXXFLAGS)
 
 $CFLAGS << ' -Wno-format-security'
 $CXXFLAGS << ' -Wno-format-security'
 
 create_makefile('gdal-ruby/ogr')