Hello,
We identified compilation errors for xen-tools (4.14 and 4.15) with GCC 11.1
due to `-Werror=vla-parameter`.
There are a couple of source files with similar errors like this:
```
linux.c:164:50: error: argument 7 of type 'const xen_pfn_t[]' {aka 'const long
unsigned int[]'} declared as an ordinary array [-Werror=vla-parameter]
164 | const xen_pfn_t arr[/*num*/], int
err[/*num*/])
| ~~~~~~~~~~~~~~~~^~~~~~~~~~~~
```
The quick fix for is to have the following:
```
diff --git a/recipes-extended/xen/xen-tools.inc
b/recipes-extended/xen/xen-tools.inc
index 3560e79..5a054af 100644
--- a/recipes-extended/xen/xen-tools.inc
+++ b/recipes-extended/xen/xen-tools.inc
@@ -725,9 +725,11 @@ do_configure() {
do_configure_common
}
+EXTRA_CFLAGS_XEN_TOOLS_append = " -Wno-vla-parameter"
+
do_compile() {
cd ${S}
- oe_runmake tools PYTHON="${PYTHON}"
+ oe_runmake tools EXTRA_CFLAGS_XEN_TOOLS="${EXTRA_CFLAGS_XEN_TOOLS}"
PYTHON="${PYTHON}"
}
do_install() {
```
I'd like to know if this is an acceptable solution or if you have any other
suggestions other than fixing the actual code
since this might take some time and I think that the Xen community will be
looking at this soon.
Cheers,
--
Diego Sueiro
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