build: Do not pass CPP="" to pidl, skip the env variable entirely

This will cause pidl to use $CC -E instead.

Andrew Bartlett

Reviewed-by: Stefan Metzmacher <metze@samba.org>

diff --git a/buildtools/wafsamba/samba_pidl.py b/buildtools/wafsamba/samba_pidl.py
index 97c1deb77480e23021c4def88d179d1dc419797b..2393c72c6925a077f47ea2c363a0a767bc0637db 100644 (file)
--- a/buildtools/wafsamba/samba_pidl.py
+++ b/buildtools/wafsamba/samba_pidl.py
@@ -59,7 +59,7 @@ def SAMBA_PIDL(bld, pname, source,
     # the cd .. is needed because pidl currently is sensitive to the directory it is run in
     cpp = ""
     cc = ""
-    if bld.CONFIG_SET("CPP"):
+    if bld.CONFIG_SET("CPP") and bld.CONFIG_GET("CPP") != "":
         if isinstance(bld.CONFIG_GET("CPP"), list):
             cpp = 'CPP="%s"' % " ".join(bld.CONFIG_GET("CPP"))
         else: