0.7.1.49:

[sbcl.git] / src / runtime / Config.x86-linux

diff --git a/src/runtime/Config.x86-linux b/src/runtime/Config.x86-linux
index 380f897..85ecf3b 100644 (file)
--- a/src/runtime/Config.x86-linux
+++ b/src/runtime/Config.x86-linux
@@ -11,7 +11,16 @@ ASSEM_SRC = x86-assem.S ldso-stubs.S
 ARCH_SRC = x86-arch.c
 
 OS_SRC = linux-os.c x86-linux-os.c os-common.c
-OS_LINK_FLAGS =
+# The "--Wl --export-dynamic" flags are here to help people
+# experimenting with callbacks from C to SBCL, by allowing linkage to
+# SBCL src/runtime/*.c symbols from C. Work on this is good, but it's
+# definitely bleeding edge and not particularly stable. In particular,
+# not only are the workarounds for the GC relocating Lisp code and
+# data unstable, but even the basic calling convention might end up
+# being unstable. Unless you want to do some masochistic maintenance
+# work when new releases of SBCL come out, please don't try to build
+# real code on this until a coherent stable interface has been added!
+OS_LINK_FLAGS = -Wl --export-dynamic
 OS_LIBS = -ldl
 
 GC_SRC = gencgc.c