X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=SConstruct;h=ef71ab69c3844cd0a3837f76f34d639ea460cd79;hb=26c56e24e700d0ab4c6499fea28328045b5e4b32;hp=8880d851e645541e95ca3990ddb55646993016d4;hpb=0f68236a2487dbeb0396b996debcda595b0b54a1;p=mesa.git

diff --git a/SConstruct b/SConstruct
index 8880d851e64..ef71ab69c38 100644
--- a/SConstruct
+++ b/SConstruct
@@ -40,6 +40,9 @@ env = Environment(
 	ENV = os.environ,
 )
 
+# XXX: This creates a many problems as it saves...
+#opts.Save('config.py', env)
+
 # Backwards compatability with old target configuration variable
 try:
     targets = ARGUMENTS['targets']
@@ -56,10 +59,16 @@ else:
 
 Help(opts.GenerateHelpText(env))
 
-
 #######################################################################
 # Environment setup
 
+with open("VERSION") as f:
+  mesa_version = f.read().strip()
+env.Append(CPPDEFINES = [
+    ('PACKAGE_VERSION', '\\"%s\\"' % mesa_version),
+    ('PACKAGE_BUGREPORT', '\\"https://bugs.freedesktop.org/enter_bug.cgi?product=Mesa\\"'),
+])
+
 # Includes
 env.Prepend(CPPPATH = [
 	'#/include',
@@ -71,52 +80,51 @@ env.Append(CPPPATH = [
 	'#/src/gallium/winsys',
 ])
 
-if env['msvc']:
-    env.Append(CPPPATH = ['#include/c99'])
-
-# Embedded
-if env['platform'] == 'embedded':
-	env.Append(CPPDEFINES = [
-		'_POSIX_SOURCE',
-		('_POSIX_C_SOURCE', '199309L'), 
-		'_SVID_SOURCE',
-		'_BSD_SOURCE', 
-		'_GNU_SOURCE',
-		
-		'PTHREADS',
-	])
-	env.Append(LIBS = [
-		'm',
-		'pthread',
-		'dl',
-	])
-
-# 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()
 
-Export('env')
 
+#######################################################################
+# Invoke host SConscripts 
+# 
+# For things that are meant to be run on the native host build machine, instead
+# of the target machine.
+#
+
+# Create host environent
+if env['crosscompile'] and not env['embedded']:
+    host_env = Environment(
+        options = opts,
+        # no tool used
+        tools = [],
+        toolpath = ['#scons'],
+        ENV = os.environ,
+    )
+
+    # Override options
+    host_env['platform'] = common.host_platform
+    host_env['machine'] = common.host_machine
+    host_env['toolchain'] = 'default'
+    host_env['llvm'] = False
+
+    host_env.Tool('gallium')
+
+    host_env['hostonly'] = True
+    assert host_env['crosscompile'] == False
+
+    target_env = env
+    env = host_env
+    Export('env')
+
+    SConscript(
+        'src/SConscript',
+        variant_dir = host_env['build_dir'],
+        duplicate = 0, # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
+    )
+
+    env = target_env
+
+Export('env')
 
 #######################################################################
 # Invoke SConscripts
@@ -130,3 +138,18 @@ SConscript(
 	duplicate = 0 # http://www.scons.org/doc/0.97/HTML/scons-user/x2261.html
 )
 
+
+########################################################################
+# List all aliases
+
+try:
+    from SCons.Node.Alias import default_ans
+except ImportError:
+    pass
+else:
+    aliases = default_ans.keys()
+    aliases.sort()
+    env.Help('\n')
+    env.Help('Recognized targets:\n')
+    for alias in aliases:
+        env.Help('    %s\n' % alias)