Windows: Fix static builds on MinGW

Xiaoqiang Wang proposed some fixes that allow static builds on
the MinGW targets to succeed. Some additional changes made to
blockingSockTest.cpp also clean that up.

src/catools/Makefile

@@ -12,22 +12,18 @@ TOP=../..
 
 include $(TOP)/configure/CONFIG
 
-SHARED_LIBRARIES = NO
-
-# Build but don't install catools as a static library
-LIBRARY += catools
-INSTALL_LIBS =
-
-catools_SRCS += tool_lib.c
-catools_LIBS += ca Com
-
-# Build and link programs against the catools library
 PROD_DEFAULT += caget camonitor cainfo caput
 PROD_vxWorks = -nil-
 PROD_RTEMS = -nil-
 PROD_iOS = -nil-
 
-PROD_LIBS += catools ca Com
-catools_DIR = .
+PROD_SRCS = tool_lib.c
+
+caget_SRCS = caget.c
+caput_SRCS = caput.c
+camonitor_SRCS = camonitor.c
+cainfo_SRCS = cainfo.c
+
+PROD_LIBS = ca Com
 
 include $(TOP)/configure/RULES