FIX: lib4neuro library can be compiled statically from now

CMakeLists.txt

@@ -34,6 +34,10 @@ if(NOT DEPENDENCIES_LINK_TYPE AND NOT ENV{DEPENDENCIES_LINK_TYPE})
     message(FATAL_ERROR "Please, set the variable DEPENDENCIES_LINK_TYPE to either 'static' or 'shared'!")
 endif()
 
+if(ENV{DEPENDENCIES_LINK_TYPE})
+    set(DEPENDENCIES_LINK_TYPE ENV{DEPENDENCIES_LINK_TYPE})
+endif()
+
 #--------------------------------#
 # Setting C++ compiler flags #
 #--------------------------------#

src/CMakeLists.txt

@@ -7,10 +7,16 @@ if ("${BUILD_EXAMPLES}" STREQUAL "yes")
 endif ()
 
 if ("${BUILD_LIB}" STREQUAL "yes")
+
+	set(LIB_TYPE "STATIC")
+	if(DEPENDENCIES_LINK_TYPE STREQUAL "shared")
+		set(LIB_TYPE "SHARED")
+	endif()
+
     add_library(
         exprtk_wrap
 
-        SHARED
+        ${LIB_TYPE}
 
         General/ExprtkWrapper.cpp
         Exception/Exceptions.cpp
@@ -31,7 +37,11 @@ if ("${BUILD_LIB}" STREQUAL "yes")
 			${Boost_LIBRARIES}
 	)
 
-	add_library(lib4neuro SHARED
+	add_library(
+        lib4neuro
+
+        ${LIB_TYPE}
+
 		Neuron/Neuron.cpp
 		Neuron/NeuronBinary.cpp
 		Neuron/NeuronConstant.cpp