scons: Move all env setup to scons/gallium.py

SConstruct

@@ -80,27 +80,6 @@ env.Append(CPPPATH = [
 if env['msvc']:
     env.Append(CPPPATH = ['#include/c99'])
 
-# Posix
-if env['platform'] in ('posix', 'linux', 'freebsd', 'darwin'):
-	env.Append(CPPDEFINES = [
-		'_POSIX_SOURCE',
-		('_POSIX_C_SOURCE', '199309L'), 
-		'_SVID_SOURCE',
-		'_BSD_SOURCE', 
-		'_GNU_SOURCE',
-		'PTHREADS',
-		'HAVE_POSIX_MEMALIGN',
-	])
-	if env['gcc']:
-		env.Append(CFLAGS = ['-fvisibility=hidden'])
-	if env['platform'] == 'darwin':
-		env.Append(CPPDEFINES = ['_DARWIN_C_SOURCE'])
-	env.Append(LIBS = [
-		'm',
-		'pthread',
-		'dl',
-	])
-
 # for debugging
 #print env.Dump()
 

scons/gallium.py

@@ -279,6 +279,18 @@ def generate(env):
         cppdefines += ['NDEBUG']
     if env['build'] == 'profile':
         cppdefines += ['PROFILE']
+    if env['platform'] in ('posix', 'linux', 'freebsd', 'darwin'):
+        cppdefines += [
+            '_POSIX_SOURCE',
+            ('_POSIX_C_SOURCE', '199309L'),
+            '_SVID_SOURCE',
+            '_BSD_SOURCE',
+            '_GNU_SOURCE',
+            'PTHREADS',
+            'HAVE_POSIX_MEMALIGN',
+        ]
+    if env['platform'] == 'darwin':
+        cppdefines += ['_DARWIN_C_SOURCE']
     if platform == 'windows':
         cppdefines += [
             'WIN32',
@@ -405,6 +417,8 @@ def generate(env):
             ccflags += ['-m64']
             if platform == 'darwin':
                 ccflags += ['-fno-common']
+        if env['platform'] != 'windows':
+            ccflags += ['-fvisibility=hidden']
         # See also:
         # - http://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
         ccflags += [
@@ -597,7 +611,10 @@ def generate(env):
         env['LINK'] = env['CXX']
 
     # Default libs
-    env.Append(LIBS = [])
+    libs = []
+    if env['platform'] in ('posix', 'linux', 'freebsd', 'darwin'):
+        libs += ['m', 'pthread', 'dl']
+    env.Append(LIBS = libs)
 
     # Load tools
     env.Tool('lex')