--- src/SConstruct	2021-05-17 10:52:36.910193982 +0000
+++ src/SConstruct	2021-05-17 10:53:54.856878859 +0000
@@ -155,6 +155,7 @@
 env = Environment(variables=opts,
                   tools=('default', 'textfile',),
                   CPPPATH=['.', ],
+                  PLATFORM='posix'
                   )
 
 env.Append(BUILDERS = {
@@ -216,7 +217,8 @@
 # from current_version, so don't use the PATCH level to avoid that build and
 # runtime patch levels have to be identical.
 if sys.platform != 'sunos5':
-  env['SHLIBVERSION'] = '%d.%d.%d' % (MAJOR, MINOR, 0)
+  #env['SHLIBVERSION'] = '%d.%d.%d' % (MAJOR, MINOR, 0)
+  env['SHLIBSUFFIX'] = '.so'
 
 LIBNAME = 'libserf-%d' % (MAJOR,)
 if sys.platform != 'win32':
@@ -257,7 +259,6 @@
   env = conf.Finish()
 
   if have_gcc:
-    env.Append(CFLAGS=['-std=c89'])
     env.Append(CCFLAGS=['-Wdeclaration-after-statement',
                         '-Wmissing-prototypes',
                         '-Wall'])
@@ -266,7 +267,6 @@
     env.Append(CCFLAGS=['-g'])
     env.Append(CPPDEFINES=['DEBUG', '_DEBUG'])
   else:
-    env.Append(CCFLAGS=['-O2'])
     env.Append(CPPDEFINES=['NDEBUG'])
 
   ### works for Mac OS. probably needs to change