Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 74 insertions, 0 deletions

diff --git a/cmake/modules/FindLZ4.cmake b/cmake/modules/FindLZ4.cmake
new file mode 100644
index 0000000..83e639d
--- /dev/null
+++ b/cmake/modules/FindLZ4.cmake
@@ -0,0 +1,74 @@
+#
+# - Find lz4
+# Find LZ4 includes and library
+#
+#  LZ4_INCLUDE_DIRS - where to find lz4.h, etc.
+#  LZ4_LIBRARIES    - List of libraries when using LZ4.
+#  LZ4_FOUND        - True if LZ4 found.
+#  LZ4_DLL_DIR      - (Windows) Path to the LZ4 DLL
+#  LZ4_DLL          - (Windows) Name of the LZ4 DLL
+
+include( FindWSWinLibs )
+FindWSWinLibs( "lz4-.*" "LZ4_HINTS" )
+
+if( NOT USE_REPOSITORY)
+  find_package(PkgConfig)
+  pkg_search_module(LZ4 lz4 liblz4)
+endif()
+
+find_path(LZ4_INCLUDE_DIR
+  NAMES lz4.h
+  HINTS "${LZ4_INCLUDEDIR}" "${LZ4_HINTS}/include"
+  PATHS
+  /usr/local/include
+  /usr/include
+)
+
+find_library(LZ4_LIBRARY
+  NAMES lz4 liblz4
+  HINTS "${LZ4_LIBDIR}" "${LZ4_HINTS}/lib"
+  PATHS
+  /usr/local/lib
+  /usr/lib
+)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args( LZ4 DEFAULT_MSG LZ4_LIBRARY LZ4_INCLUDE_DIR )
+
+if( LZ4_FOUND )
+  include( CheckIncludeFile )
+  include( CMakePushCheckState )
+
+  set( LZ4_INCLUDE_DIRS ${LZ4_INCLUDE_DIR} )
+  set( LZ4_LIBRARIES ${LZ4_LIBRARY} )
+
+  cmake_push_check_state()
+  set( CMAKE_REQUIRED_INCLUDES ${LZ4_INCLUDE_DIRS} )
+  check_include_file( lz4frame.h HAVE_LZ4FRAME_H )
+  cmake_pop_check_state()
+
+  if (WIN32)
+    set ( LZ4_DLL_DIR "${LZ4_HINTS}/bin"
+      CACHE PATH "Path to LZ4 DLL"
+    )
+    file( GLOB _lz4_dll RELATIVE "${LZ4_DLL_DIR}"
+      "${LZ4_DLL_DIR}/lz4*.dll"
+    )
+    set ( LZ4_DLL ${_lz4_dll}
+      # We're storing filenames only. Should we use STRING instead?
+      CACHE FILEPATH "LZ4 DLL file name"
+    )
+    file( GLOB _lz4_pdb RELATIVE "${LZ4_DLL_DIR}"
+      "${LZ4_DLL_DIR}/lz4*.pdb"
+    )
+    set ( LZ4_PDB ${_lz4_pdb}
+      CACHE FILEPATH "LZ4 PDB file name"
+    )
+    mark_as_advanced( LZ4_DLL_DIR LZ4_DLL LZ4_PDB )
+  endif()
+else()
+  set( LZ4_INCLUDE_DIRS )
+  set( LZ4_LIBRARIES )
+endif()
+
+mark_as_advanced( LZ4_LIBRARIES LZ4_INCLUDE_DIRS )