Add DISABLE_DYNAMIC to disable building shared libs for the case where you only want static libs.

sq/CMakeLists.txt

@@ -1,7 +1,9 @@
-add_executable(sq sq.c)
-set_target_properties(sq PROPERTIES LINKER_LANGUAGE C)
-target_link_libraries(sq squirrel sqstdlib)
-install(TARGETS sq RUNTIME DESTINATION ${INSTALL_BIN_DIR})
+if(NOT DEFINED DISABLE_DYNAMIC)
+  add_executable(sq sq.c)
+  set_target_properties(sq PROPERTIES LINKER_LANGUAGE C)
+  target_link_libraries(sq squirrel sqstdlib)
+  install(TARGETS sq RUNTIME DESTINATION ${INSTALL_BIN_DIR})
+endif()
 
 if(NOT DEFINED DISABLE_STATIC)
   add_executable(sq_static sq.c)
@@ -11,7 +13,9 @@ if(NOT DEFINED DISABLE_STATIC)
 endif()
 
 if(DEFINED LONG_OUTPUT_NAMES)
-  set_target_properties(sq PROPERTIES OUTPUT_NAME squirrel3)
+  if(NOT DEFINED DISABLE_DYNAMIC)
+    set_target_properties(sq PROPERTIES OUTPUT_NAME squirrel3)
+  endif()
 
   if(NOT DEFINED DISABLE_STATIC)
     set_target_properties(sq_static PROPERTIES OUTPUT_NAME squirrel3_static)

sqstdlib/CMakeLists.txt

@@ -7,11 +7,13 @@ set(SQSTDLIB_SRC sqstdaux.cpp
                  sqstdstring.cpp
                  sqstdsystem.cpp)
 
-add_library(sqstdlib SHARED ${SQSTDLIB_SRC})
-target_link_libraries(sqstdlib squirrel)
-install(TARGETS sqstdlib RUNTIME DESTINATION ${INSTALL_BIN_DIR}
-                         LIBRARY DESTINATION ${INSTALL_LIB_DIR}
-                         ARCHIVE DESTINATION ${INSTALL_LIB_DIR})
+if(NOT DEFINED DISABLE_DYNAMIC)
+  add_library(sqstdlib SHARED ${SQSTDLIB_SRC})
+  target_link_libraries(sqstdlib squirrel)
+  install(TARGETS sqstdlib RUNTIME DESTINATION ${INSTALL_BIN_DIR}
+                             LIBRARY DESTINATION ${INSTALL_LIB_DIR}
+                             ARCHIVE DESTINATION ${INSTALL_LIB_DIR})
+endif()
 
 if(NOT DEFINED DISABLE_STATIC)
   add_library(sqstdlib_static STATIC ${SQSTDLIB_SRC})
@@ -19,7 +21,9 @@ if(NOT DEFINED DISABLE_STATIC)
 endif()
 
 if(DEFINED LONG_OUTPUT_NAMES)
-  set_target_properties(sqstdlib PROPERTIES OUTPUT_NAME sqstdlib3)
+  if(NOT DEFINED DISABLE_DYNAMIC)
+    set_target_properties(sqstdlib PROPERTIES OUTPUT_NAME sqstdlib3)
+  endif()
 
   if(NOT DEFINED DISABLE_STATIC)
     set_target_properties(sqstdlib_static PROPERTIES OUTPUT_NAME sqstdlib3_static)

squirrel/CMakeLists.txt

@@ -11,10 +11,12 @@ set(SQUIRREL_SRC sqapi.cpp
                  sqtable.cpp
                  sqvm.cpp)
 
+if(NOT DEFINED DISABLE_DYNAMIC)
 add_library(squirrel SHARED ${SQUIRREL_SRC})
 install(TARGETS squirrel RUNTIME DESTINATION ${INSTALL_BIN_DIR}
                          LIBRARY DESTINATION ${INSTALL_LIB_DIR}
                          ARCHIVE DESTINATION ${INSTALL_LIB_DIR})
+endif()
 
 if(NOT DEFINED DISABLE_STATIC)
   add_library(squirrel_static STATIC ${SQUIRREL_SRC})
@@ -22,7 +24,9 @@ if(NOT DEFINED DISABLE_STATIC)
 endif()
 
 if(DEFINED LONG_OUTPUT_NAMES)
-  set_target_properties(squirrel PROPERTIES OUTPUT_NAME squirrel3)
+  if(NOT DEFINED DISABLE_DYNAMIC)
+    set_target_properties(squirrel PROPERTIES OUTPUT_NAME squirrel3)
+  endif()
 
   if(NOT DEFINED DISABLE_STATIC)
     set_target_properties(squirrel_static PROPERTIES OUTPUT_NAME squirrel3_static)