targets/osmesa: limit the amount of exported symbols

src/gallium/targets/osmesa/Makefile.am |  1 +
src/gallium/targets/osmesa/osmesa.sym  | 18 ++++++++++++++++++
2 files changed, 19 insertions(+)
create mode 100644 src/gallium/targets/osmesa/osmesa.sym

src/gallium/targets/osmesa/Makefile.am

@@ -45,6 +45,7 @@ lib@OSMESA_LIB@_la_LDFLAGS = \
 	-module \
 	-no-undefined \
 	-version-number @OSMESA_VERSION@ \
+	-Wl,--version-script=$(top_srcdir)/src/gallium/targets/osmesa/osmesa.sym \
 	$(GC_SECTIONS) \
 	$(LD_NO_UNDEFINED)
 

src/gallium/targets/osmesa/osmesa.sym

@@ -0,0 +1,18 @@
+{
+	global:
+		OSMesaColorClamp;
+		OSMesaCreateContext;
+		OSMesaCreateContextExt;
+		OSMesaDestroyContext;
+		OSMesaGetColorBuffer;
+		OSMesaGetCurrentContext;
+		OSMesaGetDepthBuffer;
+		OSMesaGetIntegerv;
+		OSMesaGetProcAddress;
+		OSMesaMakeCurrent;
+		OSMesaPixelStore;
+		OSMesaPostprocess;
+		gl*;
+	local:
+		*;
+};