diff options
Diffstat (limited to 'poky/meta/recipes-devtools/opkg/opkg/0001-Define-alignof-using-_Alignof-when-using-C11-or-newe.patch')
| -rw-r--r-- | poky/meta/recipes-devtools/opkg/opkg/0001-Define-alignof-using-_Alignof-when-using-C11-or-newe.patch | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/poky/meta/recipes-devtools/opkg/opkg/0001-Define-alignof-using-_Alignof-when-using-C11-or-newe.patch b/poky/meta/recipes-devtools/opkg/opkg/0001-Define-alignof-using-_Alignof-when-using-C11-or-newe.patch deleted file mode 100644 index 3406878a1d..0000000000 --- a/poky/meta/recipes-devtools/opkg/opkg/0001-Define-alignof-using-_Alignof-when-using-C11-or-newe.patch +++ /dev/null @@ -1,51 +0,0 @@ -From 4089affd371e6d62dd8c1e57b344f8cc329005ea Mon Sep 17 00:00:00 2001 -From: Khem Raj <raj.khem@gmail.com> -Date: Sat, 14 Jan 2023 23:11:08 -0800 -Subject: [PATCH] Define alignof using _Alignof when using C11 or newer - -WG14 N2350 made very clear that it is an UB having type definitions -within "offsetof" [1]. This patch enhances the implementation of macro -alignof_slot to use builtin "_Alignof" to avoid undefined behavior on -when using std=c11 or newer - -clang 16+ has started to flag this [2] - -Fixes build when using -std >= gnu11 and using clang16+ - -Older compilers gcc < 4.9 or clang < 8 has buggy _Alignof even though it -may support C11, exclude those compilers too - -[1] https://www.open-std.org/jtc1/sc22/wg14/www/docs/n2350.htm -[2] https://reviews.llvm.org/D133574 - -Upstream-Status: Submitted [https://groups.google.com/g/opkg-devel/c/gjcQPZgT_jI] -Signed-off-by: Khem Raj <raj.khem@gmail.com> ---- - libopkg/md5.c | 10 ++++++++++ - 1 file changed, 10 insertions(+) - -diff --git a/libopkg/md5.c b/libopkg/md5.c -index 981b9b8..ccb645e 100644 ---- a/libopkg/md5.c -+++ b/libopkg/md5.c -@@ -237,7 +237,17 @@ void md5_process_bytes(const void *buffer, size_t len, struct md5_ctx *ctx) - /* Process available complete blocks. */ - if (len >= 64) { - #if !_STRING_ARCH_unaligned -+/* GCC releases before GCC 4.9 had a bug in _Alignof. See GCC bug 52023 -+ <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=52023>. -+ clang versions < 8.0.0 have the same bug. */ -+#if (!defined __STDC_VERSION__ || __STDC_VERSION__ < 201112 \ -+ || (defined __GNUC__ && __GNUC__ < 4 + (__GNUC_MINOR__ < 9) \ -+ && !defined __clang__) \ -+ || (defined __clang__ && __clang_major__ < 8)) - #define alignof(type) offsetof (struct { char c; type x; }, x) -+#else -+#define alignof(type) _Alignof(type) -+#endif - #define UNALIGNED_P(p) (((size_t) p) % alignof (uint32_t) != 0) - if (UNALIGNED_P(buffer)) - while (len > 64) { --- -2.39.0 - |