--- SConstruct.orig	2016-01-15 19:42:54 UTC
+++ SConstruct
@@ -95,14 +95,14 @@ if "$CCFLAGS" in env['CXXCOM']:
 
 opts.Update(env)
 
-env.Append(CXXFLAGS=' -Wall -Wno-sign-compare -Wno-write-strings')
-env.Append(CCFLAGS='-Wall')
-env.Append(CFLAGS='-std=c99')
+#env.Append(CXXFLAGS=' -Wall -Wno-sign-compare -Wno-write-strings')
+#env.Append(CCFLAGS='-Wall')
+#env.Append(CFLAGS='-std=c99')
 
 env['GEGL_VERSION'] = 0.3
 
 # Define strdup() in string.h under glibc >= 2.10 (POSIX.1-2008)
-env.Append(CFLAGS='-D_POSIX_C_SOURCE=200809L')
+#env.Append(CFLAGS='-D_POSIX_C_SOURCE=200809L')
 
 if env.get('CPPDEFINES'):
     # make sure assertions are enabled
@@ -113,7 +113,7 @@ if env['debug']:
     env.Append(CCFLAGS='-O0', LINKFLAGS='-O0')
 else:
     # Overridable defaults
-    env.Prepend(CCFLAGS='-O3', LINKFLAGS='-O3')
+    env.Prepend(CCFLAGS='', LINKFLAGS='')
 
 if env['enable_profiling'] or env['debug']:
     env.Append(CCFLAGS='-g')