this patch stops sparse from complaining about them not being defined: include/uapi/linux/swab.h:60:16: error: undefined identifier '__builtin_bswap32' include/uapi/linux/swab.h:60:33: error: not a function <noident> Signed-off-by: Kim Phillips <kim.phillips@xxxxxxxxxxxxx> --- Based on: git://git.kernel.org/pub/scm/devel/sparse/chrisl/sparse.git since it's more up-to-date than: git://git.kernel.org/pub/scm/devel/sparse/sparse.git which is what's advertised as the main sparse tree, here: https://sparse.wiki.kernel.org/index.php/Main_Page lib.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lib.c b/lib.c index 6bd10d3..4f69e11 100644 --- a/lib.c +++ b/lib.c @@ -727,6 +727,11 @@ void declare_builtin_functions(void) add_pre_buffer("extern int __builtin_popcountl(unsigned long);\n"); add_pre_buffer("extern int __builtin_popcountll(unsigned long long);\n"); + /* And byte swaps.. */ + add_pre_buffer("extern unsigned short __builtin_bswap16(unsigned short);\n"); + add_pre_buffer("extern unsigned int __builtin_bswap32(unsigned int);\n"); + add_pre_buffer("extern unsigned long long __builtin_bswap64(unsigned long long);\n"); + /* And some random ones.. */ add_pre_buffer("extern void *__builtin_return_address(unsigned int);\n"); add_pre_buffer("extern void *__builtin_extract_return_addr(void *);\n"); -- 1.7.9.7 -- To unsubscribe from this list: send the line "unsubscribe linux-sparse" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html