Index: libfixmath-master/CMakeLists.txt
===================================================================
--- libfixmath-master.orig/CMakeLists.txt
+++ libfixmath-master/CMakeLists.txt
@@ -10,6 +10,8 @@ set(CMAKE_CXX_STANDARD 11)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -pedantic -Wextra -Werror=return-type")
 
+include(GNUInstallDirs)
+
 include(libfixmath/libfixmath.cmake)
 include(tests/tests.cmake)
 
Index: libfixmath-master/libfixmath/libfixmath.cmake
===================================================================
--- libfixmath-master.orig/libfixmath/libfixmath.cmake
+++ libfixmath-master/libfixmath/libfixmath.cmake
@@ -3,4 +3,11 @@ file(GLOB libfixmath-srcs libfixmath/*.c
 add_library(fixmath SHARED ${libfixmath-srcs})
 
 target_include_directories(fixmath INTERFACE
-  ${CMAKE_CURRENT_SOURCE_DIR})
\ No newline at end of file
+  ${CMAKE_CURRENT_SOURCE_DIR})
+
+install(TARGETS fixmath
+        DESTINATION ${CMAKE_INSTALL_LIBDIR})
+
+file(GLOB libfixmath-headers libfixmath/*.h libfixmath/*.hpp)
+install(FILES ${libfixmath-headers}
+        DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}/libfixmath)