diff --git a/CMakeLists.txt b/CMakeLists.txt
index e7d2451..f8cc1ba 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -66,11 +66,7 @@ if(NOT MSVC)
     "Set to ON|OFF (default) to build GEOS with assert() macro enabled" OFF)
 endif()
 
-option(GEOS_BUILD_STATIC
-  "Set to OFF|ON (default) to build GEOS static libraries" ON)
-
-option(GEOS_BUILD_SHARED
-  "Set to OFF|ON (default) to build GEOS shared libraries" ON)
+option(BUILD_SHARED_LIBS "Build GEOS as a shared library" ON)
 
 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
   option(GEOS_ENABLE_FLOATSTORE
diff --git a/capi/CMakeLists.txt b/capi/CMakeLists.txt
index 0607b16..877d611 100644
--- a/capi/CMakeLists.txt
+++ b/capi/CMakeLists.txt
@@ -21,17 +21,25 @@ set(geos_c_SOURCES
 
 file(GLOB geos_capi_HEADERS ${CMAKE_BINARY_DIR}/capi/*.h) # fix source_group issue
 
-if(NOT GEOS_ENABLE_MACOSX_FRAMEWORK AND GEOS_BUILD_SHARED)
+if(NOT GEOS_ENABLE_MACOSX_FRAMEWORK)
   # if building OS X framework or only building static libs, CAPI built into C++ library)
-  add_library(geos_c SHARED ${geos_c_SOURCES})
+  add_library(geos_c ${geos_c_SOURCES})
 
   target_link_libraries(geos_c geos)
 
   if (WIN32)
-    set_target_properties(geos_c
-      PROPERTIES
-      VERSION ${CAPI_VERSION}
-      CLEAN_DIRECT_OUTPUT 1)
+    if(BUILD_SHARED_LIBS)
+      set_target_properties(geos_c
+        PROPERTIES
+        VERSION ${CAPI_VERSION}
+        CLEAN_DIRECT_OUTPUT 1)
+    else()
+      set_target_properties(geos_c
+        PROPERTIES
+        OUTPUT_NAME "geos_c"
+        PREFIX "lib"
+        CLEAN_DIRECT_OUTPUT 1)
+    endif()
   else()
     set_target_properties(geos_c
       PROPERTIES
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 3894a56..f86d823 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -24,7 +24,7 @@ if(GEOS_ENABLE_MACOSX_FRAMEWORK)
   # also 1 binary, so include CAPI here
   # and, make name all caps
 
-  add_library(GEOS SHARED ${geos_SOURCES} ${geos_c_SOURCES})
+  add_library(GEOS ${geos_SOURCES} ${geos_c_SOURCES})
 
   math(EXPR CVERSION "${VERSION_MAJOR} + 1")
  	# VERSION = current version, SOVERSION = compatibility version
@@ -62,38 +62,27 @@ if(GEOS_ENABLE_MACOSX_FRAMEWORK)
 
 else()
 
-  if(GEOS_BUILD_SHARED)
-    add_library(geos SHARED ${geos_SOURCES} ${geos_ALL_HEADERS})
+  add_library(geos ${geos_SOURCES} ${geos_ALL_HEADERS})
 
+  if(BUILD_SHARED_LIBS)
     set_target_properties(geos
       PROPERTIES
       DEFINE_SYMBOL GEOS_DLL_EXPORT
       VERSION ${VERSION}
       CLEAN_DIRECT_OUTPUT 1)
-
-    install(TARGETS geos
-      RUNTIME DESTINATION bin
-      LIBRARY DESTINATION lib
-      ARCHIVE DESTINATION lib)
-  endif()
-
-  if(GEOS_BUILD_STATIC)
-    file(GLOB geos_capi_HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/../capi/*.h) # fix source_group issue
-    add_library(geos-static STATIC ${geos_SOURCES} ${geos_c_SOURCES} ${geos_ALL_HEADERS} ${geos_capi_HEADERS})
-
-    set_target_properties(geos-static
+  else()
+    set_target_properties(geos
       PROPERTIES
       OUTPUT_NAME "geos"
       PREFIX "lib"
       CLEAN_DIRECT_OUTPUT 1)
-
-    install(TARGETS geos-static
-      RUNTIME DESTINATION bin
-      LIBRARY DESTINATION lib
-      ARCHIVE DESTINATION lib)
-
   endif()
 
+  install(TARGETS geos
+    RUNTIME DESTINATION bin
+    LIBRARY DESTINATION lib
+    ARCHIVE DESTINATION lib)
+
 endif() # (GEOS_ENABLE_MACOSX_FRAMEWORK)
 
 # if(APPLE)