From 500b3080a2fd27dcd14113235e05ca003ce23190 Mon Sep 17 00:00:00 2001 From: Guillem Jover Date: Sun, 28 Nov 2021 22:34:59 +0100 Subject: [PATCH] build: Add new libbsd_symver_weak() macro We will use it for the reworked md5 deprecation logic. --- src/local-link.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/src/local-link.h b/src/local-link.h index ebc197f..6782d9a 100644 --- a/src/local-link.h +++ b/src/local-link.h @@ -42,18 +42,29 @@ #define libbsd_symver_variant(alias, symbol, version) \ extern __typeof__(symbol) symbol \ __attribute__((__symver__(#alias "@" #version))) + +#define libbsd_symver_weak(alias, symbol, version) \ + extern __typeof__(symbol) symbol \ + __attribute__((__symver__(#alias "@" #version), __weak__)) # else #define libbsd_symver_default(alias, symbol, version) \ __asm__(".symver " #symbol "," #alias "@@" #version) #define libbsd_symver_variant(alias, symbol, version) \ __asm__(".symver " #symbol "," #alias "@" #version) + +#define libbsd_symver_weak(alias, symbol, version) \ + libbsd_symver_variant(alias, symbol, version); \ + extern __typeof__(symbol) alias \ + __attribute__((__weak__)) # endif #else #define libbsd_symver_default(alias, symbol, version) \ extern __typeof__(symbol) alias __attribute__((__alias__(#symbol))) #define libbsd_symver_variant(alias, symbol, version) + +#define libbsd_symver_weak(alias, symbol, version) #endif #endif