Initial commit

tasks/libposix/SConstruct

@@ -0,0 +1,73 @@
+#
+# Copyright (C) 2007 Bahadir Balban
+#
+
+import os
+import glob
+import sys
+from os.path import join
+from string import split
+
+project_root = "../.."
+kernel_headers = join(project_root, "include")
+l4lib_headers = join(project_root, "tasks/libl4/include")
+config_h = join(project_root, "include/l4/config.h")
+
+env = Environment(CC = 'arm-none-linux-gnueabi-gcc',
+		  CCFLAGS = ['-g', '-nostdlib', '-ffreestanding'],
+		  LINKFLAGS = ['-nostdlib'],
+		  ENV = {'PATH' : os.environ['PATH']},
+		  LIBS = 'gcc')
+
+
+def extract_arch_subarch_plat(config_header):
+	'''
+	From the autogenerated kernel config.h, extracts platform, archictecture,
+	subarchitecture information. This is used to include the relevant headers
+	from the kernel directories.
+	'''
+	arch = None
+	subarch = None
+	plat = None
+
+	if not os.path.exists(config_header):
+		print "\n\nconfig.h does not exist. "\
+		      "Please run: `scons configure' first\n\n"
+		sys.exit()
+	f = open(config_h, "r")
+	while True:
+		line = f.readline()
+		if line == "":
+			break
+		parts = split(line)
+		if len(parts) > 0:
+			if parts[0] == "#define":
+				if parts[1] == "__ARCH__":
+					arch = parts[2]
+			   	elif parts[1] == "__PLATFORM__":
+					plat = parts[2]
+			   	elif parts[1] == "__SUBARCH__":
+					subarch = parts[2]
+	f.close()
+	if arch == None:
+		print "Error: No config symbol found for architecture"
+		sys.exit()
+	if subarch == None:
+		print "Error: No config symbol found for subarchitecture"
+		sys.exit()
+	if plat == None:
+		print "Error: No config symbol found for platform"
+		sys.exit()
+	return arch, subarch, plat
+
+arch, subarch, plat = extract_arch_subarch_plat(config_h)
+
+headers = ["#include/posix", l4lib_headers, kernel_headers]
+
+env.Append(CPPPATH = headers)
+
+src = glob.glob("src/*.c") + glob.glob("*.c")
+
+libposix = env.StaticLibrary('posix', src)
+
+