diff --git a/configure/os/CONFIG.cygwin-x86.Common b/configure/os/CONFIG.cygwin-x86.Common
index b0f6ba932..336ac855e 100644
--- a/configure/os/CONFIG.cygwin-x86.Common
+++ b/configure/os/CONFIG.cygwin-x86.Common
@@ -15,3 +15,7 @@ OSITHREAD_USE_DEFAULT_STACK = NO
 
 HOSTEXE=.exe
 
+# Needed to find dlls for base installed build tools (antelope,eflex,...)
+PATH := $(EPICS_BASE_TOOLS_BIN):$(PATH)
+
+
diff --git a/configure/os/CONFIG.win32-x86-borland.Common b/configure/os/CONFIG.win32-x86-borland.Common
index 0bdbfbae4..cdae898b2 100644
--- a/configure/os/CONFIG.win32-x86-borland.Common
+++ b/configure/os/CONFIG.win32-x86-borland.Common
@@ -25,3 +25,6 @@ ifndef HOME
 HOME = $(HOMEDRIVE)$(HOMEPATH)
 endif
 
+# Needed to find dlls for base installed build tools (antelope,eflex,...)
+PATH := $(EPICS_BASE_TOOLS_BIN):$(PATH)
+