diff --git a/Cantera/clib/src/clib_defs.h b/Cantera/clib/src/clib_defs.h
index 642762c0b..4803cba04 100755
--- a/Cantera/clib/src/clib_defs.h
+++ b/Cantera/clib/src/clib_defs.h
@@ -3,8 +3,13 @@
 
 // Build as a DLL under Windows
 #ifdef WIN32
+#ifdef NO_DLL_BUILD
+#define DLL_EXPORT
+#define DLL_IMPORT
+#else
 #define DLL_IMPORT __declspec(dllimport)
 #define DLL_EXPORT __declspec(dllexport)
+#endif
 #pragma warning(disable:4786)
 #pragma warning(disable:4267)
 #pragma warning(disable:4503)
diff --git a/Cantera/clib/src/ctbdry.cpp b/Cantera/clib/src/ctbdry.cpp
index 5b44ea0fb..dbc8d49c4 100755
--- a/Cantera/clib/src/ctbdry.cpp
+++ b/Cantera/clib/src/ctbdry.cpp
@@ -1,7 +1,11 @@
 
 // Build as a DLL under Windows
 #ifdef WIN32
+#ifdef NO_DLL_BUILD
+#define DLL_EXPORT
+#else
 #define DLL_EXPORT __declspec(dllexport)
+#endif
 #pragma warning(disable:4786)
 #pragma warning(disable:4503)
 #else
diff --git a/Cantera/clib/src/ctfunc.cpp b/Cantera/clib/src/ctfunc.cpp
index 3ae11a0f1..466c54157 100755
--- a/Cantera/clib/src/ctfunc.cpp
+++ b/Cantera/clib/src/ctfunc.cpp
@@ -8,7 +8,11 @@ using namespace Cantera;
 
 // Build as a DLL under Windows
 #ifdef WIN32
+#ifdef NO_DLL_BUILD
+#define DLL_EXPORT
+#else
 #define DLL_EXPORT __declspec(dllexport)
+#endif
 #pragma warning(disable:4786)
 #pragma warning(disable:4503)
 #else
diff --git a/Cantera/clib/src/ctmultiphase.cpp b/Cantera/clib/src/ctmultiphase.cpp
index ffc35f80c..9ed5952de 100644
--- a/Cantera/clib/src/ctmultiphase.cpp
+++ b/Cantera/clib/src/ctmultiphase.cpp
@@ -10,7 +10,11 @@
 
 // Build as a DLL under Windows
 #ifdef WIN32
+#ifdef NO_DLL_BUILD
+#define DLL_EXPORT
+#else
 #define DLL_EXPORT __declspec(dllexport)
+#endif
 #pragma warning(disable:4786)
 #pragma warning(disable:4503)
 #else
diff --git a/Cantera/clib/src/ctnum.cpp b/Cantera/clib/src/ctnum.cpp
index 1dbc7f301..b3ad3650d 100755
--- a/Cantera/clib/src/ctnum.cpp
+++ b/Cantera/clib/src/ctnum.cpp
@@ -12,7 +12,11 @@ inline BandMatrix* _bmatrix(int i) {
 
 // Build as a DLL under Windows
 #ifdef WIN32
+#ifdef NO_DLL_BUILD
+#define DLL_EXPORT
+#else
 #define DLL_EXPORT __declspec(dllexport)
+#endif
 #pragma warning(disable:4786)
 #pragma warning(disable:4503)
 #else
diff --git a/Cantera/clib/src/ctonedim.cpp b/Cantera/clib/src/ctonedim.cpp
index 37d53de9d..461288b9d 100644
--- a/Cantera/clib/src/ctonedim.cpp
+++ b/Cantera/clib/src/ctonedim.cpp
@@ -19,7 +19,11 @@
 
 // Build as a DLL under Windows
 #ifdef WIN32
+#ifdef NO_DLL_BUILD
+#define DLL_EXPORT
+#else
 #define DLL_EXPORT __declspec(dllexport)
+#endif
 #pragma warning(disable:4786)
 #pragma warning(disable:4503)
 #else
diff --git a/Cantera/clib/src/ctreactor.cpp b/Cantera/clib/src/ctreactor.cpp
index f7c23910e..1cc7ec2e3 100755
--- a/Cantera/clib/src/ctreactor.cpp
+++ b/Cantera/clib/src/ctreactor.cpp
@@ -13,7 +13,11 @@
 
 // Build as a DLL under Windows
 #ifdef WIN32
+#ifdef NO_DLL_BUILD
+#define DLL_EXPORT
+#else
 #define DLL_EXPORT __declspec(dllexport)
+#endif
 #pragma warning(disable:4786)
 #pragma warning(disable:4503)
 #else
diff --git a/Cantera/clib/src/ctrpath.cpp b/Cantera/clib/src/ctrpath.cpp
index 71bd5b8b5..7fe0449c7 100755
--- a/Cantera/clib/src/ctrpath.cpp
+++ b/Cantera/clib/src/ctrpath.cpp
@@ -1,7 +1,11 @@
 
 // Build as a DLL under Windows
 #ifdef WIN32
+#ifdef NO_DLL_BUILD
+#define DLL_EXPORT
+#else
 #define DLL_EXPORT __declspec(dllexport)
+#endif
 #pragma warning(disable:4786)
 #pragma warning(disable:4503)
 #else
diff --git a/Cantera/clib/src/ctstagn.cpp b/Cantera/clib/src/ctstagn.cpp
index c2e5d9734..f7bd67846 100755
--- a/Cantera/clib/src/ctstagn.cpp
+++ b/Cantera/clib/src/ctstagn.cpp
@@ -10,7 +10,11 @@
 
 // Build as a DLL under Windows
 #ifdef WIN32
+#ifdef NO_DLL_BUILD
+#define DLL_EXPORT
+#else
 #define DLL_EXPORT __declspec(dllexport)
+#endif
 #pragma warning(disable:4786)
 #pragma warning(disable:4503)
 #else
diff --git a/Cantera/clib/src/ctsurf.cpp b/Cantera/clib/src/ctsurf.cpp
index 88ee78188..588fb2147 100755
--- a/Cantera/clib/src/ctsurf.cpp
+++ b/Cantera/clib/src/ctsurf.cpp
@@ -14,7 +14,11 @@
 
 // Build as a DLL under Windows
 #ifdef WIN32
+#ifdef NO_DLL_BUILD
+#define DLL_EXPORT
+#else
 #define DLL_EXPORT __declspec(dllexport)
+#endif
 #pragma warning(disable:4786)
 #pragma warning(disable:4503)
 #else
diff --git a/Cantera/clib/src/ctxml.cpp b/Cantera/clib/src/ctxml.cpp
index 89e1b7d6d..fa2d0f997 100644
--- a/Cantera/clib/src/ctxml.cpp
+++ b/Cantera/clib/src/ctxml.cpp
@@ -1,6 +1,10 @@
 // Build as a DLL under Windows
 #ifdef WIN32
+#ifdef NO_DLL_BUILD
+#define DLL_EXPORT
+#else
 #define DLL_EXPORT __declspec(dllexport)
+#endif
 #pragma warning(disable:4786)
 #pragma warning(disable:4503)
 #else