Adding upstream version 18.2.2.upstream/18.2.2

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

1 files changed, 51 insertions, 0 deletions

diff --git a/cmake/modules/FindZstd.cmake b/cmake/modules/FindZstd.cmake
new file mode 100644
index 000000000..44d2dc3d8
--- /dev/null
+++ b/cmake/modules/FindZstd.cmake
@@ -0,0 +1,51 @@
+# Try to find liblz4
+#
+# Once done, this will define
+#
+# Zstd_FOUND
+# Zstd_INCLUDE_DIRS
+# Zstd_LIBRARIES
+# Zstd_VERSION_STRING
+# Zstd_VERSION_MAJOR
+# Zstd_VERSION_MINOR
+# Zstd_VERSION_RELEASE
+
+find_path(Zstd_INCLUDE_DIR
+  NAMES zstd.h
+  HINTS ${Zstd_ROOT_DIR}/include)
+
+if(Zstd_INCLUDE_DIR AND EXISTS "${Zstd_INCLUDE_DIR}/zstd.h")
+  foreach(ver "MAJOR" "MINOR" "RELEASE")
+    file(STRINGS "${Zstd_INCLUDE_DIR}/zstd.h" Zstd_VER_${ver}_LINE
+      REGEX "^#define[ \t]+ZSTD_VERSION_${ver}[ \t]+[0-9]+$")
+    string(REGEX REPLACE "^#define[ \t]+ZSTD_VERSION_${ver}[ \t]+([0-9]+)$"
+      "\\1" Zstd_VERSION_${ver} "${Zstd_VER_${ver}_LINE}")
+    unset(${Zstd_VER_${ver}_LINE})
+  endforeach()
+  set(Zstd_VERSION_STRING
+    "${Zstd_VERSION_MAJOR}.${Zstd_VERSION_MINOR}.${Zstd_VERSION_RELEASE}")
+endif()
+
+find_library(Zstd_LIBRARY
+  NAMES "${CMAKE_STATIC_LIBRARY_PREFIX}zstd.${CMAKE_STATIC_LIBRARY_SUFFIX}" zstd
+  HINTS ${Zstd_ROOT_DIR}/lib)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(Zstd
+  REQUIRED_VARS Zstd_LIBRARY Zstd_INCLUDE_DIR
+  VERSION_VAR Zstd_VERSION_STRING)
+
+mark_as_advanced(
+  Zstd_LIBRARY
+  Zstd_INCLUDE_DIR)
+
+if(Zstd_FOUND AND NOT (TARGET Zstd::Zstd))
+  set(Zstd_INCLUDE_DIRS ${Zstd_INCLUDE_DIR})
+  set(Zstd_LIBRARIES ${Zstd_LIBRARY})
+  add_library (Zstd::Zstd UNKNOWN IMPORTED)
+  set_target_properties(Zstd::Zstd PROPERTIES
+    INTERFACE_INCLUDE_DIRECTORIES ${Zstd_INCLUDE_DIR}
+    IMPORTED_LINK_INTERFACE_LANGUAGES "C"
+    IMPORTED_LOCATION ${Zstd_LIBRARY}
+    VERSION "${Zstd_VERSION_STRING}")
+endif()