Commit 500b3080a2fd27dcd14113235e05ca003ce23190
2021-11-28T22:34:59
build: Add new libbsd_symver_weak() macro We will use it for the reworked md5 deprecation logic.
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