diff --git a/pvDataApp/misc/parseToPOD.cpp b/pvDataApp/misc/parseToPOD.cpp
index 4a3efcc..6fad99f 100644
--- a/pvDataApp/misc/parseToPOD.cpp
+++ b/pvDataApp/misc/parseToPOD.cpp
@@ -245,6 +245,99 @@ epicsParseFloat(const char *str, float *to, char **units)
 }
 #endif
 
+#if defined(NEED_LONGLONG) && defined(__vxworks)
+static
+long long strtoll(const char *ptr, char ** endp, int base)
+{
+    size_t inlen = strlen(ptr);
+    long long result;
+    unsigned char offset=0;
+    
+    assert(base==0);
+
+    if(ptr[0]=='-')
+        offset=1;
+
+    try {
+        std::istringstream strm(ptr);
+
+        assert(strm.rdbuf()->in_avail()>=0
+               && inlen==(size_t)strm.rdbuf()->in_avail());
+
+        if(ptr[offset]=='0') {
+            if(ptr[offset+1]=='x')
+                strm >> std::hex;
+            else
+                strm >> std::oct;
+        }
+
+        strm >> result;
+        if(strm.fail())
+            goto noconvert;
+
+        assert(strm.rdbuf()->in_avail()>=0
+               && inlen>=(size_t)strm.rdbuf()->in_avail());
+
+        size_t consumed = inlen - strm.rdbuf()->in_avail();
+        *endp = (char*)ptr + consumed;
+
+        return result;
+        
+    } catch(...) {
+        goto noconvert;
+    }
+
+    return result;
+noconvert:
+    *endp = (char*)ptr;
+    return 0;
+}
+
+static
+unsigned long long strtoull(const char *ptr, char ** endp, int base)
+{
+    size_t inlen = strlen(ptr);
+    unsigned long long result;
+
+    assert(base==0);
+
+    try {
+        std::istringstream strm(ptr);
+
+        assert(strm.rdbuf()->in_avail()>=0
+               && inlen==(size_t)strm.rdbuf()->in_avail());
+
+        if(ptr[0]=='0') {
+            if(ptr[1]=='x')
+                strm >> std::hex;
+            else
+                strm >> std::oct;
+        }
+
+        strm >> result;
+        if(strm.fail())
+            goto noconvert;
+
+        assert(strm.rdbuf()->in_avail()>=0
+               && inlen>=(size_t)strm.rdbuf()->in_avail());
+
+        size_t consumed = inlen - strm.rdbuf()->in_avail();
+        *endp = (char*)ptr + consumed;
+
+        return result;
+
+    } catch(...) {
+        goto noconvert;
+    }
+
+    return result;
+noconvert:
+    *endp = (char*)ptr;
+    return 0;
+}
+
+#endif
+
 /* do we need long long? */
 #ifdef NEED_LONGLONG
 static int
diff --git a/pvDataApp/misc/typeCast.h b/pvDataApp/misc/typeCast.h
index dbf8b1a..b49fcb8 100644
--- a/pvDataApp/misc/typeCast.h
+++ b/pvDataApp/misc/typeCast.h
@@ -15,7 +15,7 @@
 #include <pv/pvType.h>
 
 // gently nudge the compiler to inline our wrappers
-#if defined(__GNUC__)
+#if defined(__GNUC__) && __GNUC__>=3
 # define FORCE_INLINE __attribute__((always_inline)) inline
 #elif defined(_MSC_VER)
 # define FORCE_INLINE __forceinline
diff --git a/pvDataApp/pv/pvType.h b/pvDataApp/pv/pvType.h
index 93eb1f2..b9ffce7 100644
--- a/pvDataApp/pv/pvType.h
+++ b/pvDataApp/pv/pvType.h
@@ -20,8 +20,10 @@
 #ifdef __vxworks
 typedef int intptr_t;
 typedef unsigned int uintptr_t;
+#ifndef INT64_MAX
 #define INT64_MAX (0x7fffffffffffffffLL)
 #define UINT64_MAX (0xffffffffffffffffLL)
+#endif
 #else
 #include <stdint.h>
 #endif
diff --git a/testApp/misc/testTypeCast.cpp b/testApp/misc/testTypeCast.cpp
index 239bf70..a7ca746 100644
--- a/testApp/misc/testTypeCast.cpp
+++ b/testApp/misc/testTypeCast.cpp
@@ -350,10 +350,23 @@ int main(int argc,char *argv[])
     TEST(int32_t, -7, String, "-07");
     TEST(int32_t, -8, String, "-010");
 
+    TEST(int64_t, 15, String, "0xf");
+    TEST(int64_t, 15, String, "0xF");
+    TEST(int64_t, -15, String, "-0xF");
+    TEST(int64_t, 16, String, "0x10");
+    TEST(int64_t, -16, String, "-0x10");
+
+    TEST(int64_t, 7, String, "07");
+    TEST(int64_t, 8, String, "010");
+    TEST(int64_t, -7, String, "-07");
+    TEST(int64_t, -8, String, "-010");
+
     *out << "String parsing errors\n";
 
     FAIL(int32_t, String, "hello!");
     FAIL(int32_t, String, "42 is the answer");
+    FAIL(int64_t, String, "hello!");
+    FAIL(int64_t, String, "42 is the answer");
     FAIL(double, String, "hello!");
     FAIL(double, String, "42 is the answer");