diff --git a/configure/os/CONFIG.win32-x86-borland.win32-x86-borland b/configure/os/CONFIG.win32-x86-borland.win32-x86-borland
index a30e77893..f23e4d250 100644
--- a/configure/os/CONFIG.win32-x86-borland.win32-x86-borland
+++ b/configure/os/CONFIG.win32-x86-borland.win32-x86-borland
@@ -152,6 +152,7 @@ LINK_OPT_FLAGS_NO = -c -C -Gi -Gn -Tpd -x -w-
 WIN32_DLLFLAGS = $(LINK_OPT_FLAGS_$(HOST_OPT)) $(TARGET_LDFLAGS) $(LIB_LDFLAGS)
 OPT_LDFLAGS =
 
+SHRLIB_CFLAGS=
 ARCH_DEP_CFLAGS=
 
 #	to identify the general architecture class:
diff --git a/configure/os/CONFIG.win32-x86.win32-x86 b/configure/os/CONFIG.win32-x86.win32-x86
index 7d7a20ccd..fcae6c1d6 100644
--- a/configure/os/CONFIG.win32-x86.win32-x86
+++ b/configure/os/CONFIG.win32-x86.win32-x86
@@ -161,6 +161,7 @@ LINK_OPT_FLAGS_NO = /debug /incremental:no /fixed:no
 OPT_LDFLAGS = $(LINK_OPT_FLAGS_$(HOST_OPT))
 
 ARCH_DEP_CFLAGS=
+SHRLIB_CFLAGS=
 
 #	to identify the general architecture class:
 #	should be BSD, SYSV, WIN32, ...