1 files changed, 75 insertions, 0 deletions
diff --git a/source4/build/scons/iconv.py b/source4/build/scons/iconv.py
new file mode 100644
index 0000000000..ef82dc475d
--- /dev/null
+++ b/source4/build/scons/iconv.py
@@ -0,0 +1,75 @@
+# Based on the M4 macro by Bruno Haible.
+
+def _CheckIconvPath(path):
+	# Some systems have iconv in libc, some have it in libiconv (OSF/1 and
+  	# those with the standalone portable libiconv installed).
+	context.Message("checking for iconv in " + path)
+
+	main = """
+int main()
+{
+	iconv_t cd = iconv_open("","");
+    iconv(cd,NULL,NULL,NULL,NULL);
+    iconv_close(cd);
+	return 0;
+}"""
+
+	have_giconv_iconv = context.TryLink("""
+#include <stdlib.h>
+#include <giconv.h>
+""" + main, '.c')
+	if have_giconv_iconv:
+		context.Result(1)
+		return ("giconv.h", "")
+
+	have_iconv_iconv = context.TryLink("""
+#include <stdlib.h>
+#include <iconv.h>
+""" + main, '.c')
+
+	if have_iconv_iconv:
+		context.Result(1)
+		return ("iconv.h", "")
+
+	#FIXME: Add -lgiconv
+	have_giconv_lib_iconv = context.TryLink("""
+#include <stdlib.h>
+#include <giconv.h>
+""" + main, '.c')
+	if have_giconv_lib_iconv:
+		context.Result(1)
+		return ("giconv.h", "-lgiconv")
+
+	#FIXME: Add -liconv
+	have_iconv_lib_iconv = context.TryLink("""
+#include <stdlib.h>
+#include <iconv.h>
+"""+main,'.c')
+
+	if have_iconv_lib_iconv:
+		context.Result(1)
+		return ("iconv.h", "-liconv")
+
+	return None
+
+def CheckIconv(context):
+	context.Message("checking for iconv")
+	
+	look_dirs = ['/usr','/usr/local','/sw']
+
+	for p in look_dirs:
+		_CheckIconvPath(p) #FIXME: Handle return value
+
+	if context.TryRun("""
+#include <iconv.h>
+main() {
+       iconv_t cd = iconv_open("ASCII", "UCS-2LE");
+       if (cd == 0 || cd == (iconv_t)-1) return -1;
+       return 0;
+}
+""", '.c'):
+		context.Result(1)
+		return (1,[])
+	
+	context.Result(0)
+	return (0,[])