new file mode 100644
@@ -0,0 +1,32 @@
+From 36637cd802fac9402be76f2a9358a26b7f6aa530 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 | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/lib/kcapi-kdf.c b/lib/kcapi-kdf.c
+index 9e53a0b..428ecaf 100644
+--- a/lib/kcapi-kdf.c
++++ b/lib/kcapi-kdf.c
+@@ -57,7 +57,7 @@
+ #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
+
@@ -1,4 +1,4 @@
-From 00c1654e368f728b213c4e3782045d54098edb25 Mon Sep 17 00:00:00 2001
+From 8f961521add49278b48c9721fc53e05ee3543b74 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sat, 16 Nov 2019 23:03:51 -0800
Subject: [PATCH] kcapi-kdf: Move code to fix
@@ -6,13 +6,14 @@ Subject: [PATCH] kcapi-kdf: Move code to fix
Fixes clang build
unused function '_bswap32' [-Werror,-Wunused-function]
+Upstream-Status: Submitted [https://github.com/smuellerDD/libkcapi/pull/83]
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
- lib/kcapi-kdf.c | 36 ++++++++++++++++--------------------
- 1 file changed, 16 insertions(+), 20 deletions(-)
+ lib/kcapi-kdf.c | 37 +++++++++++++++++--------------------
+ 1 file changed, 17 insertions(+), 20 deletions(-)
diff --git a/lib/kcapi-kdf.c b/lib/kcapi-kdf.c
-index ea39846..8e4a636 100644
+index ea39846..9e53a0b 100644
--- a/lib/kcapi-kdf.c
+++ b/lib/kcapi-kdf.c
@@ -54,6 +54,20 @@
@@ -26,17 +27,17 @@ index ea39846..8e4a636 100644
+# define __HAVE_BUILTIN_BSWAP32__
+#endif
+
-+#ifdef __HAVE_BUILTIN_BSWAP32__
-+# define be_bswap32(x) (uint32_t)__builtin_bswap32((uint32_t)(x))
+/* Endian dependent byte swap operations. */
-+#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
++#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
+# define be_bswap32(x) ((uint32_t)(x))
+#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
-+
++# ifdef __HAVE_BUILTIN_BSWAP32__
++# define be_bswap32(x) (uint32_t)__builtin_bswap32((uint32_t)(x))
++# else
static inline uint32_t rol32(uint32_t x, int n)
{
return ( (x << (n&(32-1))) | (x >> ((32-n)&(32-1))) );
-@@ -68,27 +82,9 @@ static inline uint32_t _bswap32(uint32_t x)
+@@ -68,27 +82,10 @@ static inline uint32_t _bswap32(uint32_t x)
{
return ((rol32(x, 8) & 0x00ff00ffL) | (ror32(x, 8) & 0xff00ff00L));
}
@@ -59,10 +60,11 @@ index ea39846..8e4a636 100644
-# define be_bswap32(x) ((uint32_t)(x))
-#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
-# define be_bswap32(x) _swap32(x)
-+# define be_bswap32(x) _bswap32(x)
++# define be_bswap32(x) _bswap32(x)
++# endif
#else
-#error "Endianess not defined"
-+# error "Neither builtin_bswap32 nor endianess defined"
++# error "endianess not defined"
#endif
DSO_PUBLIC
@@ -11,6 +11,7 @@ PV = "1.1.5"
SRC_URI = " \
git://github.com/smuellerDD/libkcapi.git \
file://0001-kcapi-kdf-Move-code-to-fix.patch \
+ file://0001-Use-__builtin_bswap32-on-Clang-if-supported.patch \
"
inherit autotools
Use builtin_bswap32 with clang if available Signed-off-by: Khem Raj <raj.khem@gmail.com> --- v2: Use builtin_bswap32 with clang if available ...uiltin_bswap32-on-Clang-if-supported.patch | 32 +++++++++++++++++++ .../0001-kcapi-kdf-Move-code-to-fix.patch | 24 +++++++------- .../recipes-crypto/libkcapi/libkcapi_git.bb | 1 + 3 files changed, 46 insertions(+), 11 deletions(-) create mode 100644 meta-oe/recipes-crypto/libkcapi/libkcapi/0001-Use-__builtin_bswap32-on-Clang-if-supported.patch -- 2.24.0 -- _______________________________________________ Openembedded-devel mailing list Openembedded-devel@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-devel