Fixing typo in cmakefiles and removing REGEX dependencie for Cygwin

cmake/findDependencies.cmake

@@ -12,9 +12,9 @@ find_package(Threads REQUIRED)
 
 if(MINGW)
     find_package(PkgConfig REQUIRED)
-    pkg_check_modules(REGX REQUIRED regex)
-    if(REGX_FOUND)
-        include_directories(${REGX_INCLUDE_DIRS})
+    pkg_check_modules(REGEX REQUIRED regex)
+    if(REGEX_FOUND)
+        include_directories(${REGEX_INCLUDE_DIRS})
     endif()
 endif()
 

src/CMakeLists.txt

@@ -261,7 +261,10 @@ else()
 
     if (CYGWIN OR MINGW)
         target_link_libraries( exiv2lib PRIVATE  psapi ws2_32 )
-        target_link_libraries( exiv2lib PRIVATE ${REGX_LIBRARIES} )
+    endif()
+
+    if (MINGW)
+        target_link_libraries( exiv2lib PRIVATE ${REGEX_LIBRARIES} )
     endif()
 
     target_link_libraries( exiv2lib PRIVATE Threads::Threads)
@@ -315,9 +318,9 @@ if(EXIV2_BUILD_EXIV2_COMMAND)
     if ( BUILD_SHARED_LIBS )
         target_compile_definitions(exiv2 PRIVATE EXV_HAVE_DLL )
     endif()
-    
+
     if (MINGW)
-        target_link_libraries( exiv2 PRIVATE ${REGX_LIBRARIES} )
+        target_link_libraries( exiv2 PRIVATE ${REGEX_LIBRARIES} )
     endif()
 
     # modify source lists to suit environment