From: Simon 'corecode' Schubert <corecode@fs.ei.tum.de>
Date: Sun, 18 May 2008 16:25:22 +0000 (+0200)
Subject: Build a wrapper lib with weak symbols.
X-Git-Url: https://gitweb.dragonflybsd.org/~corecode/nvidia.git/commitdiff_plain/d2e01e7a670a4955311100fcebc85994f0f2c00e

Build a wrapper lib with weak symbols.
---

diff --git a/obj/wraplib/Makefile b/obj/wraplib/Makefile
new file mode 100644
index 0000000..612d14f
--- /dev/null
+++ b/obj/wraplib/Makefile
@@ -0,0 +1,26 @@
+SHLIB_NAME= libGL.so.1
+SRCS=	dummyGL.c ${.CURDIR}/../wrapmodule/exportsyms.c
+NOMAN=
+
+LDADD=	libGL.so.wrapped
+
+all: libGL.so.wrapped
+
+CLEANFILES+=	dummyGL.c null.c libGL.so.wrapped
+
+dummyGL.c: ../libGL.so.1
+	objdump -T $> | awk '\
+		BEGIN { \
+			print "#include <sys/cdefs.h>"; \
+			print "#include <stdlib.h>"; \
+			print "static __used void dummy(void) { abort(); }"; \
+		}; \
+		$$2 == "g" && $$6 !~ /^_/ { \
+			print "__weak_reference(dummy, "$$6");"; \
+		}' > $@
+
+libGL.so.wrapped:
+	> null.c
+	cc -shared -o $@ null.c
+
+.include <bsd.lib.mk>
diff --git a/obj/wrap/Makefile b/obj/wrapmodule/Makefile
similarity index 100%
rename from obj/wrap/Makefile
rename to obj/wrapmodule/Makefile
diff --git a/obj/wrap/exportsyms.c b/obj/wrapmodule/exportsyms.c
similarity index 100%
rename from obj/wrap/exportsyms.c
rename to obj/wrapmodule/exportsyms.c
diff --git a/obj/wrap/wrapmodule.c b/obj/wrapmodule/wrapmodule.c
similarity index 100%
rename from obj/wrap/wrapmodule.c
rename to obj/wrapmodule/wrapmodule.c