From b53cbf680c1ba6821722145752f239bf798cbbea Mon Sep 17 00:00:00 2001 From: Fabrice Fontaine Date: Fri, 6 Aug 2021 23:25:06 +0200 Subject: [PATCH] package/xen: fix build with gcc 11 Fix the following build failure with gcc 11: linux.c:165:50: error: argument 7 of type 'const xen_pfn_t[]' {aka 'const long long unsigned int[]'} declared as an ordinary array [-Werror=vla-parameter] 165 | const xen_pfn_t arr[/*num*/], int err[/*num*/]) | ~~~~~~~~~~~~~~~~^~~~~~~~~~~~ In file included from linux.c:29: private.h:35:50: note: previously declared as a variable length array 'const xen_pfn_t[num]' {aka 'const long long unsigned int[num]'} 35 | const xen_pfn_t arr[num], int err[num]); | ~~~~~~~~~~~~~~~~^~~~~~~~ Fixes: - http://autobuild.buildroot.org/results/f70d060cf50254694113f19f50a8ef96ef33dd1a Signed-off-by: Fabrice Fontaine Signed-off-by: Yann E. MORIN --- ...osdep_xenforeignmemory_map-prototype.patch | 33 +++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 package/xen/0002-libs-foreignmemory-Fix-osdep_xenforeignmemory_map-prototype.patch diff --git a/package/xen/0002-libs-foreignmemory-Fix-osdep_xenforeignmemory_map-prototype.patch b/package/xen/0002-libs-foreignmemory-Fix-osdep_xenforeignmemory_map-prototype.patch new file mode 100644 index 0000000000..170d1c22c2 --- /dev/null +++ b/package/xen/0002-libs-foreignmemory-Fix-osdep_xenforeignmemory_map-prototype.patch @@ -0,0 +1,33 @@ +From 5d3e4ebb5c71477d74a0c503438545a0126d3863 Mon Sep 17 00:00:00 2001 +From: Anthony PERARD +Date: Tue, 1 Jun 2021 16:41:47 +0100 +Subject: [PATCH] libs/foreignmemory: Fix osdep_xenforeignmemory_map prototype + +Commit cf8c4d3d13b8 made some preparation to have one day +variable-length-array argument, but didn't declare the array in the +function prototype the same way as in the function definition. And now +GCC 11 complains about it. + +Fixes: cf8c4d3d13b8 ("tools/libs/foreignmemory: pull array length argument to map forward") +Signed-off-by: Anthony PERARD +Reviewed-by: Jan Beulich +[Retrieved from: +https://github.com/xen-project/xen/commit/5d3e4ebb5c71477d74a0c503438545a0126d3863] +Signed-off-by: Fabrice Fontaine +--- + tools/libs/foreignmemory/private.h | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/tools/libs/foreignmemory/private.h b/tools/libs/foreignmemory/private.h +index 1ee3626dd278..5bb0cefb0987 100644 +--- a/tools/libs/foreignmemory/private.h ++++ b/tools/libs/foreignmemory/private.h +@@ -32,7 +32,7 @@ int osdep_xenforeignmemory_close(xenforeignmemory_handle *fmem); + void *osdep_xenforeignmemory_map(xenforeignmemory_handle *fmem, + uint32_t dom, void *addr, + int prot, int flags, size_t num, +- const xen_pfn_t arr[num], int err[num]); ++ const xen_pfn_t arr[/*num*/], int err[/*num*/]); + int osdep_xenforeignmemory_unmap(xenforeignmemory_handle *fmem, + void *addr, size_t num); +