diff -Naur bobcat-4.07.00-1-orig/bobcat/configfile/build bobcat-4.07.00-1/bobcat/configfile/build
--- bobcat-4.07.00-1-orig/bobcat/configfile/build	2017-05-31 12:04:01.000000000 +0300
+++ bobcat-4.07.00-1/bobcat/configfile/build	2017-06-01 13:43:03.452084100 +0300
@@ -298,10 +298,8 @@
             version;
     
         version = strtok(BUILD_LIBRARY, ".");
-        libso = "lib" + library + ".so";
-        libxxx = libso + ".";
-        libsomajor = libxxx + element(0, version);
-        libxxx += BUILD_LIBRARY;
+        libxxx = "msys-" + library + ".dll";
+        libso = "lib" + library + ".dll.a";
     
         for (index = 0; index < nClasses; index++)
         {
@@ -318,7 +316,7 @@
         exec(COMPILER,
             gdb,
             "-shared",
-            "-Wl,-soname," + libsomajor,
+            "-Wl,--out-implib," + libso,
             "-o", libxxx,
             ofiles,
             libs,
@@ -335,12 +333,6 @@
             chdir(cwd);                     // go back to parent dir
         }
     
-    
-        exec("ln", "-sf", libxxx, libsomajor);
-        printf("ok: ", libsomajor, "\n");
-    
-        exec("ln", "-sf", libsomajor, libso);
-        printf("ok: ", libso, "\n");
     #endif
 }
 /*
diff -Naur bobcat-4.07.00-1-orig/bobcat/hostname/build bobcat-4.07.00-1/bobcat/hostname/build
--- bobcat-4.07.00-1-orig/bobcat/hostname/build	2017-05-31 12:04:01.000000000 +0300
+++ bobcat-4.07.00-1/bobcat/hostname/build	2017-06-01 13:43:27.880731300 +0300
@@ -409,10 +409,8 @@
             version;
     
         version = strtok(BUILD_LIBRARY, ".");
-        libso = "lib" + library + ".so";
-        libxxx = libso + ".";
-        libsomajor = libxxx + element(0, version);
-        libxxx += BUILD_LIBRARY;
+        libxxx = "msys-" + library + ".dll";
+        libso = "lib" + library + ".dll.a";
     
         for (index = 0; index < nClasses; index++)
         {
@@ -429,7 +427,7 @@
         exec(COMPILER,
             gdb,
             "-shared",
-            "-Wl,-soname," + libsomajor,
+            "-Wl,--out-implib," + libso,
             "-o", libxxx,
             ofiles,
             libs,
@@ -446,12 +444,6 @@
             chdir(cwd);                     // go back to parent dir
         }
     
-    
-        exec("ln", "-sf", libxxx, libsomajor);
-        printf("ok: ", libsomajor, "\n");
-    
-        exec("ln", "-sf", libsomajor, libso);
-        printf("ok: ", libso, "\n");
     #endif
 }
 /*
diff -Naur bobcat-4.07.00-1-orig/bobcat/icmake/libraries bobcat-4.07.00-1/bobcat/icmake/libraries
--- bobcat-4.07.00-1-orig/bobcat/icmake/libraries	2017-06-01 12:49:54.055681100 +0300
+++ bobcat-4.07.00-1/bobcat/icmake/libraries	2017-06-01 13:34:36.509177000 +0300
@@ -131,24 +131,23 @@
         run(gxx +  
                     " " + setOpt(LDFLAGS, "LDFLAGS") +
                     " -shared -Wl,--as-needed,"
-                    "-soname," + 
-                    libsomajor +
-                    " -o " + g_tmplibso + "/" + libsoshared +
+                    "--out-implib," + 
+                    g_tmplibso + "/" + libsoshared + 
+                    " -o " + g_tmplibso + "/" + libso +
                     " */os/*.o " +
                     g_sharedLibReq);
     
         chdir(g_tmplibso);
     
         if (strip)
-            run("strip --strip-unneeded " + libsoshared);
+            run("strip --strip-unneeded " + libso);
 
-        run("chmod -x " + libsoshared);
-        
-        run("ln -sf " + libsoshared + " " + libsomajor);
+        run("chmod -x " + libso);
         
         chdir(g_cwd + g_tmpliba);
         
-        run("ln -sf "+ g_cwd + g_tmplibso + "/" + libsomajor  + " " + libso);
+        run("ln -sf "+ g_cwd + g_tmplibso + "/" + libso  + " " + libso);
+        run("ln -sf "+ g_cwd + g_tmplibso + "/" + libsoshared  + " " + libsoshared);
     
         chdir(g_cwd);
         run("rm -f */os/*");
@@ -179,8 +177,8 @@
     static_library(staticLib);              // build static library
 
 #ifdef BUILD_SHARED
-    libso = "lib" LIBRARY ".so";
-    libsoshared = libso + "." + g_version;
+    libso = "msys-" LIBRARY ".dll";
+    libsoshared = "lib" LIBRARY ".dll.a";
 
     g_copt += " -fPIC";
                                           // adds option for shared lib
diff -Naur bobcat-4.07.00-1-orig/bobcat/icmconf bobcat-4.07.00-1/bobcat/icmconf
--- bobcat-4.07.00-1-orig/bobcat/icmconf	2017-05-31 12:04:01.000000000 +0300
+++ bobcat-4.07.00-1/bobcat/icmconf	2017-06-01 13:37:48.168616200 +0300
@@ -5,7 +5,7 @@
 #define THREAD              ""
 #endif
 
-#define CXX                 "g++-8"
+#define CXX                 "g++"
 
 #define CXXFLAGS            "--std=c++17 " ${THREAD} " -Wall -O2" \
                             " -fdiagnostics-color=never "
diff -Naur bobcat-4.07.00-1-orig/bobcat/INSTALL.im bobcat-4.07.00-1/bobcat/INSTALL.im
--- bobcat-4.07.00-1-orig/bobcat/INSTALL.im	2017-05-31 12:04:01.000000000 +0300
+++ bobcat-4.07.00-1/bobcat/INSTALL.im	2017-06-01 13:37:48.168616200 +0300
@@ -17,7 +17,7 @@
 //===========================================================================
 
     // The name of the C++ compiler
-#define CXX         "g++-8"
+#define CXX         "g++"
 
     // Specify compiler options that should be used.
     // This is overruled by the environment variable CXXFLAGS
diff -Naur bobcat-4.07.00-1-orig/bobcat/linearmap/driver/build bobcat-4.07.00-1/bobcat/linearmap/driver/build
--- bobcat-4.07.00-1-orig/bobcat/linearmap/driver/build	2017-05-31 12:04:01.000000000 +0300
+++ bobcat-4.07.00-1/bobcat/linearmap/driver/build	2017-06-01 13:37:48.168616200 +0300
@@ -1,4 +1,4 @@
 #!/bin/bash
 
-g++-8 --std=c++17 -Wall -fdiagnostics-color=never -o driver -I. driver.cc \
+g++ --std=c++17 -Wall -fdiagnostics-color=never -o driver -I. driver.cc \
        -lbobcat -s
diff -Naur bobcat-4.07.00-1-orig/bobcat/redirector/driver/build bobcat-4.07.00-1/bobcat/redirector/driver/build
--- bobcat-4.07.00-1-orig/bobcat/redirector/driver/build	2017-05-31 12:04:01.000000000 +0300
+++ bobcat-4.07.00-1/bobcat/redirector/driver/build	2017-06-01 13:37:48.168616200 +0300
@@ -232,7 +232,7 @@
 void link(string library)
 {
     printf("\n");
-    system("mv ../../lib/libbobcat.so ../../lib/libbobcat.OFF");
+    system("mv ../../lib/msys-bobcat.dll ../../lib/msys-bobcat.OFF");
     exec(COMPILER, "-o", programname,
              ofiles,
          libs,
@@ -241,7 +241,7 @@
             , "-s"
         #endif
     );
-    system("mv ../../lib/libbobcat.OFF ../../lib/libbobcat.so");
+    system("mv ../../lib/msys-bobcat.OFF ../../lib/msys-bobcat.dll");
     printf("ok: ", programname, "\n");
 }
 /*
diff -Naur bobcat-4.07.00-1-orig/bobcat/syslogstream/driver/build bobcat-4.07.00-1/bobcat/syslogstream/driver/build
--- bobcat-4.07.00-1-orig/bobcat/syslogstream/driver/build	2017-05-31 12:04:01.000000000 +0300
+++ bobcat-4.07.00-1/bobcat/syslogstream/driver/build	2017-06-01 13:44:34.935265800 +0300
@@ -408,10 +408,8 @@
             version;
     
         version = strtok(BUILD_LIBRARY, ".");
-        libso = "lib" + library + ".so";
-        libxxx = libso + ".";
-        libsomajor = libxxx + element(0, version);
-        libxxx += BUILD_LIBRARY;
+        libso = "lib" + library + ".dll.a";
+        libxxx = "msys-" + library + ".dll";
     
         for (index = 0; index < nClasses; index++)
         {
@@ -428,7 +426,7 @@
         exec(COMPILER,
             gdb,
             "-shared",
-            "-Wl,-soname," + libsomajor,
+            "-Wl,--out-implib," + libso,
             "-o", libxxx,
             ofiles,
             libs,
@@ -445,12 +443,6 @@
             chdir(cwd);                     // go back to parent dir
         }
     
-    
-        exec("ln", "-sf", libxxx, libsomajor);
-        printf("ok: ", libsomajor, "\n");
-    
-        exec("ln", "-sf", libsomajor, libso);
-        printf("ok: ", libso, "\n");
     #endif
 }
 /*