s3-waf: check for default charsets

source3/build/charset.py

@@ -0,0 +1,52 @@
+# tests for charsets for Samba3
+
+from Configure import conf
+
+@conf
+def CHECK_SAMBA3_CHARSET(conf, crossbuild=False):
+    '''Check for default charsets for Samba3
+    '''
+    if conf.CHECK_ICONV(define='HAVE_NATIVE_ICONV'):
+        default_dos_charset=False
+        default_display_charset=False
+        default_unix_charset=False
+
+        # check for default dos charset name
+        for charset in ['CP850', 'IBM850']:
+            if conf.CHECK_CHARSET_EXISTS(charset):
+                default_dos_charset=charset
+                break
+
+        # check for default display charset name
+        for charset in ['ASCII', '646']:
+            if conf.CHECK_CHARSET_EXISTS(charset):
+                default_display_charset=charset
+                break
+
+        # check for default unix charset name
+        for charset in ['UTF-8', 'UTF8']:
+            if conf.CHECK_CHARSET_EXISTS(charset):
+                default_unix_charset=charset
+                break
+
+	# At this point, we have a libiconv candidate. We know that
+	# we have the right headers and libraries, but we don't know
+	# whether it does the conversions we want. We can't test this
+	# because we are cross-compiling. This is not necessarily a big
+	# deal, since we can't guarantee that the results we get now will
+	# match the results we get at runtime anyway.
+	if crossbuild:
+	    default_dos_charset="CP850"
+	    default_display_charset="ASCII"
+	    default_unix_charset="UTF-8"
+            # TODO: this used to warn about the set charset on cross builds
+
+        conf.DEFINE('DEFAULT_DOS_CHARSET', default_dos_charset)
+        conf.DEFINE('DEFAULT_DISPLAY_CHARSET', default_display_charset)
+        conf.DEFINE('DEFAULT_UNIX_CHARSET', default_unix_charset)
+
+    else:
+        conf.DEFINE('DEFAULT_DOS_CHARSET', "ASCII")
+        conf.DEFINE('DEFAULT_DISPLAY_CHARSET', "ASCII")
+        conf.DEFINE('DEFAULT_UNIX_CHARSET', "UTF8")
+

source3/wscript

@@ -6,6 +6,7 @@ blddir = 'bin'
 import sys, os
 sys.path.insert(0, srcdir+"/buildtools/wafsamba")
 import wafsamba, Options
+import build.charset
 
 def set_options(opt):
     opt.recurse('../lib/replace')
@@ -220,4 +221,6 @@ yp_get_default_domain
 
     conf.CHECK_TYPE('struct timespec', headers='sys/time.h time.h')
 
+    conf.CHECK_SAMBA3_CHARSET() # see build/charset.py
+
     conf.SAMBA_CONFIG_H('include/config.h')

source3/wscript_build

@@ -574,6 +574,7 @@ PRINTBACKEND_SRC = 'printing/printing.c printing/nt_printing.c ${PRINTBASE_SRC}'
 
 SMBD_SRC = '''${SMBD_SRC_BASE} ${SMBD_SRC_MAIN}'''
 
+LIBS='ICONV'
 
 bld.env.AWK = 'gawk'