Install into proper subdirectories on Linux

Author: TheAssassin

CMakeLists.txt

@@ -9,6 +9,9 @@ include(CTest)
 include(CheckFunctionExists)
 include(CheckIncludeFiles)
 
+# install into proper lib dirs on Linux
+include(GNUInstallDirs)
+
 # platform checks
 foreach(header inttypes memory stdint stdlib strings sys/stat sys/types unistd time)
     string(REPLACE "/" "_" underscore_header "${header}")

cmake/export.cmake

@@ -5,7 +5,7 @@ set(CMP0090 NEW)
 # set up installion of exported targets (consider libzsync2 a namespace for use in CMake)
 install(
     TARGETS libzsync2
-    DESTINATION lib
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}
     EXPORT libzsync2
 )
 

src/CMakeLists.txt

@@ -51,8 +51,8 @@ target_link_libraries(zsyncmake2 PRIVATE cpr)
 # install targets
 install(
     TARGETS zsync2 libzsync2 zsyncmake2
-    RUNTIME DESTINATION bin
-    LIBRARY DESTINATION lib
-    ARCHIVE DESTINATION lib/static
-    INCLUDES DESTINATION include
+    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+    INCLUDES DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
 )