From: Thomas Weißschuh Date: Wed, 11 Oct 2023 22:37:38 +0000 (+0200) Subject: tools/nolibc: mark start_c as weak X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=921992229b1f06df6b649860e4a5f3def1489866;p=linux.git tools/nolibc: mark start_c as weak Otherwise the different instances of _start_c from each compilation unit will lead to linker errors: /usr/bin/ld: /tmp/ccSNvRqs.o: in function `_start_c': nolibc-test-foo.c:(.text.nolibc_memset+0x9): multiple definition of `_start_c'; /tmp/ccG25101.o:nolibc-test.c:(.text+0x1ea3): first defined here Fixes: 17336755150b ("tools/nolibc: add new crt.h with _start_c") Signed-off-by: Thomas Weißschuh Link: https://lore.kernel.org/lkml/20231012-nolibc-start_c-multiple-v1-1-fbfc73e0283f@weissschuh.net/ Link: https://lore.kernel.org/lkml/20231012-nolibc-linkage-test-v1-1-315e682768b4@weissschuh.net/ Acked-by: Willy Tarreau --- diff --git a/tools/include/nolibc/crt.h b/tools/include/nolibc/crt.h index a5f33fef16720..a05655b4ce1d7 100644 --- a/tools/include/nolibc/crt.h +++ b/tools/include/nolibc/crt.h @@ -13,6 +13,7 @@ const unsigned long *_auxv __attribute__((weak)); static void __stack_chk_init(void); static void exit(int); +__attribute__((weak)) void _start_c(long *sp) { long argc;