diff options
Diffstat (limited to 'external/meta-openembedded/meta-oe/recipes-crypto/libkcapi/libkcapi/0001-Use-__builtin_bswap32-on-Clang-if-supported.patch')
| -rw-r--r-- | external/meta-openembedded/meta-oe/recipes-crypto/libkcapi/libkcapi/0001-Use-__builtin_bswap32-on-Clang-if-supported.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/external/meta-openembedded/meta-oe/recipes-crypto/libkcapi/libkcapi/0001-Use-__builtin_bswap32-on-Clang-if-supported.patch b/external/meta-openembedded/meta-oe/recipes-crypto/libkcapi/libkcapi/0001-Use-__builtin_bswap32-on-Clang-if-supported.patch new file mode 100644 index 00000000..e713665a --- /dev/null +++ b/external/meta-openembedded/meta-oe/recipes-crypto/libkcapi/libkcapi/0001-Use-__builtin_bswap32-on-Clang-if-supported.patch @@ -0,0 +1,39 @@ +From 7b5dd67fee58f9f54c8a676abe2131776c0a3c52 Mon Sep 17 00:00:00 2001 +From: Khem Raj <raj.khem@gmail.com> +Date: Wed, 20 Nov 2019 13:41:39 -0800 +Subject: [PATCH] Use __builtin_bswap32 on Clang if supported + +clang pretends to be gcc 4.2.1 so GCC_VERSION macro will decide that +__builtin_bswap32 is not supported on clang, whereas in reality it might +so its better to add a check for enquiring clang if it supports +__builtin_bswap32 or not + +Upstream-Status: Submitted [https://github.com/smuellerDD/libkcapi/pull/83] +Signed-off-by: Khem Raj <raj.khem@gmail.com> +--- + lib/kcapi-kdf.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +diff --git a/lib/kcapi-kdf.c b/lib/kcapi-kdf.c +index 9e53a0b..f32fbe9 100644 +--- a/lib/kcapi-kdf.c ++++ b/lib/kcapi-kdf.c +@@ -54,10 +54,14 @@ + #include "kcapi.h" + #include "internal.h" + ++#ifndef __has_builtin ++# define __has_builtin(x) 0 ++#endif ++ + #define GCC_VERSION (__GNUC__ * 10000 \ + + __GNUC_MINOR__ * 100 \ + + __GNUC_PATCHLEVEL__) +-#if GCC_VERSION >= 40400 ++#if GCC_VERSION >= 40400 || (defined(__clang__) && __has_builtin(__builtin_bswap32)) + # define __HAVE_BUILTIN_BSWAP32__ + #endif + +-- +2.24.0 + |