Use GNUInstallDirs to determine install destinations for better compatibility

CMakeLists.txt

@@ -29,6 +29,8 @@ if(WITH_DEBUG_SYMBOLS)
     set(DEBUG_SYMBOL "-g")
 endif()
 
+include(GNUInstallDirs)
+
 configure_file(${CMAKE_SOURCE_DIR}/config.h.in ${CMAKE_SOURCE_DIR}/src/butil/config.h @ONLY)
 
 set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
@@ -337,7 +339,7 @@ file(COPY ${CMAKE_SOURCE_DIR}/src/
         PATTERN "*.hpp"
         )
 install(DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/output/include/
-        DESTINATION include
+        DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
         FILES_MATCHING
         PATTERN "*.h"
         PATTERN "*.hpp"

src/CMakeLists.txt

@@ -37,23 +37,15 @@ set(protoc_gen_mcpack_SOURCES
 add_executable(protoc-gen-mcpack ${protoc_gen_mcpack_SOURCES})
 target_link_libraries(protoc-gen-mcpack brpc-shared)
     
-get_property(LIB64 GLOBAL PROPERTY FIND_LIBRARY_USE_LIB64_PATHS)
-if ("${LIB64}" STREQUAL "TRUE")
-    set(LIBSUFFIX 64)
-else()
-    set(LIBSUFFIX "")
-endif()
-
 #install directory
-# cmake -DCMAKE_INSTALL_PREFIX=/usr
 install(TARGETS brpc-shared
-        RUNTIME DESTINATION bin
-        LIBRARY DESTINATION lib${LIBSUFFIX}
-        ARCHIVE DESTINATION lib${LIBSUFFIX}
+        RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
         )
 
 install(TARGETS brpc-static
-        RUNTIME DESTINATION bin
-        LIBRARY DESTINATION lib${LIBSUFFIX}
-        ARCHIVE DESTINATION lib${LIBSUFFIX}
+        RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
         )