[Xen-changelog] [xen-unstable] libxl: permit declaration after statement

[Xen patchbot-unstable <patchbot@xxxxxxx>]

# HG changeset patch
# User Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
# Date 1323712119 0
# Node ID 92e1b36d23485fe03e55e100ec8d030f3e8bc969
# Parent  af0b77d8b1c386ced51689bea253dc6014f0eea5
libxl: permit declaration after statement

GCC and C99 allow declarations to be mixed with code.  This is a good
idea because:

 * It allows variables to be more often initialised as they are
   declared, thus reducing the occurrence of uninitialised variable
   errors.

 * Certain alloca-like constructs (arrays allocated at runtime on the
   stack) can more often be written without a spurious { } block.
   Such blocks are confusing to read.

 * It makes it easier to write and use macros which declare and
   initialise formulaic variables and do other function setup code,
   because there is no need to worry that such macros might be
   incompatible with each other or have strict ordering constraints.

Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>
Committed-by: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
---


diff -r af0b77d8b1c3 -r 92e1b36d2348 tools/libxl/Makefile
--- a/tools/libxl/Makefile      Mon Dec 12 17:48:39 2011 +0000
+++ b/tools/libxl/Makefile      Mon Dec 12 17:48:39 2011 +0000
@@ -11,7 +11,8 @@
 XLUMAJOR = 1.0
 XLUMINOR = 0
 
-CFLAGS += -Werror -Wno-format-zero-length -Wmissing-declarations
+CFLAGS += -Werror -Wno-format-zero-length -Wmissing-declarations \
+       -Wno-declaration-after-statement
 CFLAGS += -I. -fPIC
 
 ifeq ($(CONFIG_Linux),y)

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