@@ -53,6 +53,14 @@
# define SHLIB_COMPAT(lib, introduced, obsoleted) \
_LIB_COMPAT (lib, introduced, obsoleted)
+/* Like SHLIB_COMPAT, but can check versions in other libraries. It is
+ not always false outside for !IS_IN (LIB). */
+#define OTHER_SHLIB_COMPAT(lib, introduced, obsoleted) \
+ _OTHER_SHLIB_COMPAT (lib, introduced, obsoleted)
+#define _OTHER_SHLIB_COMPAT(lib, introduced, obsoleted) \
+ (!(ABI_##lib##_##obsoleted - 0) \
+ || ((ABI_##lib##_##introduced - 0) < (ABI_##lib##_##obsoleted - 0)))
+
/* That header also defines symbols like `VERSION_libm_GLIBC_2_1' to
the version set name to use for e.g. symbols first introduced into
libm in the GLIBC_2.1 version. Definitions of symbols with explicit
@@ -88,6 +96,7 @@
/* Not compiling ELF shared libraries at all, so never any old versions. */
# define SHLIB_COMPAT(lib, introduced, obsoleted) 0
+# define OTHER_SHLIB_COMPAT(lib, introduced, obsoleted) 0
/* No versions to worry about, just make this the global definition. */
# define versioned_symbol(lib, local, symbol, version) \