diff --git a/CMakeLists.txt b/CMakeLists.txt
index b4dcbb0d2..1e3b3e8e1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,13 @@ set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
 if(UNIX AND NOT DEFINED CMAKE_BUILD_TYPE)
   if(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION EQUAL 4)
     # workaround CMake 2.4.x bug
-    set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel.")
+    set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
+        "Choose the type of build, options are:
+           None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used)
+           Debug
+           Release
+           RelWithDebInfo
+           MinSizeRel.")
   else()
     set(CMAKE_BUILD_TYPE "RelWithDebInfo" CACHE STRING
         "Choose the type of build, options are:
@@ -248,7 +254,8 @@ install(CODE ${PNG_PC_INSTALL_CODE})
 
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/libpng-config.in
   ${CMAKE_CURRENT_BINARY_DIR}/${PNGLIB_NAME}-config @ONLY)
-_png_generate_symlink_code(PNG_CONFIG_INSTALL_CODE ${PNGLIB_NAME}-config libpng-config)
+_png_generate_symlink_code(PNG_CONFIG_INSTALL_CODE ${PNGLIB_NAME}-config
+  libpng-config)
 install(CODE ${PNG_CONFIG_INSTALL_CODE})
 
 # SET UP LINKS
@@ -294,7 +301,9 @@ if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
         ${PNGLIB_NAME}${CMAKE_IMPORT_LIBRARY_SUFFIX}
         libpng${CMAKE_IMPORT_LIBRARY_SUFFIX})
       install(CODE ${PNG_SHARED_IMPLIB_INSTALL_CODE})
-      install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_IMPORT_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
+      install(FILES
+        ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_IMPORT_LIBRARY_SUFFIX}
+        DESTINATION ${CMAKE_INSTALL_LIBDIR})
     endif()
 
     if(NOT WIN32)
@@ -302,8 +311,10 @@ if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
             ${PNGLIB_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}
             libpng${CMAKE_SHARED_LIBRARY_SUFFIX})
       install(CODE ${PNG_SHARED_INSTALL_CODE})
-      install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
-        endif()
+      install(FILES
+        ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_SHARED_LIBRARY_SUFFIX}
+        DESTINATION ${CMAKE_INSTALL_LIBDIR})
+    endif()
   endif()
 
   if(PNG_STATIC)
@@ -316,7 +327,9 @@ if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
             ${PNGLIB_NAME}${CMAKE_STATIC_LIBRARY_SUFFIX}
             libpng${CMAKE_STATIC_LIBRARY_SUFFIX})
       install(CODE ${PNG_STATIC_INSTALL_CODE})
-      install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX} DESTINATION ${CMAKE_INSTALL_LIBDIR})
+      install(FILES
+        ${CMAKE_CURRENT_BINARY_DIR}/libpng${CMAKE_STATIC_LIBRARY_SUFFIX}
+        DESTINATION ${CMAKE_INSTALL_LIBDIR})
     endif()
   endif()
 endif()