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Description: Do not query ldconfig for library sonames
This patch modifies the dynamic loading of shared libraries
to not query ldconfig for library sonames when ccall() is
invoked for a library name without an extension.
.
By default, when ccall() is invoked for the shared library
libfoo, it tries to load libfoo.so; if that fails, it queries
ldconfig and picks a matching libfoo.so.SOVERSION. Since a
machine can have multiple installed versions of the same
library, this may result in unpredictable behaviour when
ccall() loads a library version with an incompatible ABI.
.
For the libraries used by Base, the Debian package provides
symbolic links lib*.so => lib*.so.SOVERSION in the private
library path for Julia, which ensures that Julia loads exactly
those library versions that were used for building the package.
.
For external packages installed using Pkg.add() that have an
unversioned library dependency, users need to install the
corresponding lib*-dev package that provides lib*.so.
Author: Peter Colberg <peter@colberg.org>
Forwarded: no
Last-Update: 2015-11-17
---
This patch header follows DEP-3: http://dep.debian.net/deps/dep3/
--- a/src/dlload.c
+++ b/src/dlload.c
@@ -169,16 +169,6 @@
goto done;
}
-#if defined(__linux__) || defined(__FreeBSD__)
-// check map of versioned libs from "libX" to full soname "libX.so.ver"
- {
- const char *soname = jl_lookup_soname(modname, strlen(modname));
- error = (soname==NULL) || jl_uv_dlopen(soname, handle, flags);
- if (!error)
- goto done;
- }
-#endif
-
notfound:
// copy the error message into the path buffer so we can free the lib handle
path[0] = '\0';
|
