diff --git a/include/slibtool/slibtool.h b/include/slibtool/slibtool.h
index 90c07ad..1855049 100644
--- a/include/slibtool/slibtool.h
+++ b/include/slibtool/slibtool.h
@@ -43,6 +43,8 @@ extern "C" {
 #define SLBT_DRIVER_VERBOSE		0x0800
 #define SLBT_DRIVER_PRO_PIC		0x1000
 #define SLBT_DRIVER_ANTI_PIC		0x2000
+#define SLBT_DRIVER_SHARED		0x4000
+#define SLBT_DRIVER_STATIC		0x8000
 
 /* execution modes */
 enum slbt_mode {
diff --git a/src/driver/slbt_driver_ctx.c b/src/driver/slbt_driver_ctx.c
index 1567b92..cdc309d 100644
--- a/src/driver/slbt_driver_ctx.c
+++ b/src/driver/slbt_driver_ctx.c
@@ -209,6 +209,14 @@ int slbt_get_driver_ctx(
 				case TAG_PREFER_NON_PIC:
 					cctx.drvflags |= SLBT_DRIVER_ANTI_PIC;
 					break;
+
+				case TAG_SHARED:
+					cctx.drvflags |= SLBT_DRIVER_SHARED;
+					break;
+
+				case TAG_STATIC:
+					cctx.drvflags |= SLBT_DRIVER_STATIC;
+					break;
 			}
 		} else
 			nunits++;