Add definitions for xxhash headers installation (#25)

* build: Install bundled xxHash library's headers

Signed-off-by: Hiroshi Hatake <[email protected]>

CMakeLists.txt

@@ -10,8 +10,9 @@ set(CFL_VERSION_PATCH  9)
 set(CFL_VERSION_STR    "${CFL_VERSION_MAJOR}.${CFL_VERSION_MINOR}.${CFL_VERSION_PATCH}")
 
 # Configuration options
-option(CFL_DEV             "Enable development mode"                   No)
-option(CFL_TESTS           "Enable unit testing"                       No)
+option(CFL_DEV                            "Enable development mode"                    No)
+option(CFL_TESTS                          "Enable unit testing"                        No)
+option(CFL_INSTALL_BUNDLED_XXHASH_HEADERS "Enable bundled xxHash headers installation" Yes)
 
 if(CFL_DEV)
   set(CMAKE_BUILD_TYPE Debug)
@@ -135,6 +136,10 @@ else()
   set(CFL_INSTALL_INCLUDEDIR "${CMAKE_INSTALL_PREFIX}/include")
 endif()
 
+# Output paths
+set(CFL_ROOT "${CMAKE_CURRENT_SOURCE_DIR}")
+set(CFL_BUILD_DIR "${CFL_ROOT}/build")
+
 # CFL sources
 add_subdirectory(include)
 add_subdirectory(src)
@@ -145,10 +150,6 @@ if(CFL_TESTS)
   add_subdirectory(tests)
 endif()
 
-# Output paths
-set(CFL_ROOT "${CMAKE_CURRENT_SOURCE_DIR}")
-set(CFL_BUILD_DIR "${CFL_ROOT}/build")
-
 # Installer Generation (Cpack)
 # ============================
 

include/CMakeLists.txt

@@ -3,3 +3,15 @@ install(FILES ${cflHeaders}
     DESTINATION ${CFL_INSTALL_INCLUDEDIR}/cfl
     COMPONENT headers
     PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ)
+
+# xxHash
+if(CFL_INSTALL_BUNDLED_XXHASH_HEADERS)
+  install(FILES ${CFL_ROOT}/lib/xxhash/xxh3.h
+    DESTINATION ${CFL_INSTALL_INCLUDEDIR}
+    COMPONENT headers
+    PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ)
+  install(FILES ${CFL_ROOT}/lib/xxhash/xxhash.h
+    DESTINATION ${CFL_INSTALL_INCLUDEDIR}
+    COMPONENT headers
+    PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ)
+endif()

include/cfl/cfl_hash.h

@@ -23,7 +23,7 @@
 /* NOTE: this is just a wrapper for naming convention */
 
 #include <stdint.h>
-#include "../../lib/xxhash/xxh3.h"
+#include "xxh3.h"
 
 #define cfl_hash_state_t       XXH3_state_t
 #define cfl_hash_64bits_reset  XXH3_64bits_reset