1 files changed, 116 insertions, 0 deletions
diff --git a/tiff/cmake/FindDeflate.cmake b/tiff/cmake/FindDeflate.cmake
new file mode 100644
index 00000000..ef6a5765
--- /dev/null
+++ b/tiff/cmake/FindDeflate.cmake
@@ -0,0 +1,116 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+#[=======================================================================[.rst:
+FindDeflate
+--------
+
+Find the native Deflate includes and library.
+
+IMPORTED Targets
+^^^^^^^^^^^^^^^^
+
+This module defines :prop_tgt:`IMPORTED` target ``Deflate::Deflate``, if
+Deflate has been found.
+
+Result Variables
+^^^^^^^^^^^^^^^^
+
+This module defines the following variables:
+
+::
+
+  Deflate_INCLUDE_DIRS   - where to find deflate.h, etc.
+  Deflate_LIBRARIES      - List of libraries when using deflate.
+  Deflate_FOUND          - True if deflate found.
+
+::
+
+  Deflate_VERSION_STRING - The version of deflate found (x.y.z)
+  Deflate_VERSION_MAJOR  - The major version of deflate
+  Deflate_VERSION_MINOR  - The minor version of deflate
+
+  Debug and Release variants are found separately.
+#]=======================================================================]
+
+# Standard names to search for
+set(Deflate_NAMES deflate deflatestatic)
+set(Deflate_NAMES_DEBUG deflated deflatestaticd)
+
+find_path(Deflate_INCLUDE_DIR
+          NAMES libdeflate.h
+          PATH_SUFFIXES include)
+
+set(Deflate_OLD_FIND_LIBRARY_PREFIXES "${CMAKE_FIND_LIBRARY_PREFIXES}")
+# Library has a "lib" prefix even on Windows.
+set(CMAKE_FIND_LIBRARY_PREFIXES "lib" "")
+
+# Allow Deflate_LIBRARY to be set manually, as the location of the deflate library
+if(NOT Deflate_LIBRARY)
+  find_library(Deflate_LIBRARY_RELEASE
+               NAMES ${Deflate_NAMES}
+               PATH_SUFFIXES lib)
+  find_library(Deflate_LIBRARY_DEBUG
+               NAMES ${Deflate_NAMES_DEBUG}
+               PATH_SUFFIXES lib)
+
+  include(SelectLibraryConfigurations)
+  select_library_configurations(Deflate)
+endif()
+
+set(CMAKE_FIND_LIBRARY_PREFIXES "${Deflate_OLD_FIND_LIBRARY_PREFIXES}")
+
+unset(Deflate_NAMES)
+unset(Deflate_NAMES_DEBUG)
+unset(Deflate_OLD_FIND_LIBRARY_PREFIXES)
+
+mark_as_advanced(Deflate_INCLUDE_DIR)
+
+if(Deflate_INCLUDE_DIR AND EXISTS "${Deflate_INCLUDE_DIR}/deflate.h")
+    file(STRINGS "${Deflate_INCLUDE_DIR}/libdeflate.h" Deflate_H REGEX "^#define LIBDEFLATE_VERSION_STRING\s+\"[^\"]*\"$")
+
+    string(REGEX REPLACE "^.*Deflate_VERSION \"([0-9]+).*$" "\\1" Deflate_MAJOR_VERSION "${Deflate_H}")
+    string(REGEX REPLACE "^.*Deflate_VERSION \"[0-9]+\\.([0-9]+).*$" "\\1" Deflate_MINOR_VERSION  "${Deflate_H}")
+    set(Deflate_VERSION_STRING "${Deflate_MAJOR_VERSION}.${Deflate_MINOR_VERSION}")
+
+    set(Deflate_MAJOR_VERSION "${Deflate_VERSION_MAJOR}")
+    set(Deflate_MINOR_VERSION "${Deflate_VERSION_MINOR}")
+endif()
+
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(Deflate
+        REQUIRED_VARS Deflate_LIBRARY Deflate_INCLUDE_DIR
+        VERSION_VAR Deflate_VERSION_STRING)
+
+if(Deflate_FOUND)
+    set(Deflate_INCLUDE_DIRS ${Deflate_INCLUDE_DIR})
+
+    if(NOT Deflate_LIBRARIES)
+        set(Deflate_LIBRARIES ${Deflate_LIBRARY})
+    endif()
+
+    if(NOT TARGET Deflate::Deflate)
+        add_library(Deflate::Deflate UNKNOWN IMPORTED)
+        set_target_properties(Deflate::Deflate PROPERTIES
+                INTERFACE_INCLUDE_DIRECTORIES "${Deflate_INCLUDE_DIRS}")
+
+        if(Deflate_LIBRARY_RELEASE)
+            set_property(TARGET Deflate::Deflate APPEND PROPERTY
+                    IMPORTED_CONFIGURATIONS RELEASE)
+            set_target_properties(Deflate::Deflate PROPERTIES
+                    IMPORTED_LOCATION_RELEASE "${Deflate_LIBRARY_RELEASE}")
+        endif()
+
+        if(Deflate_LIBRARY_DEBUG)
+            set_property(TARGET Deflate::Deflate APPEND PROPERTY
+                    IMPORTED_CONFIGURATIONS DEBUG)
+            set_target_properties(Deflate::Deflate PROPERTIES
+                    IMPORTED_LOCATION_DEBUG "${Deflate_LIBRARY_DEBUG}")
+        endif()
+
+        if(NOT Deflate_LIBRARY_RELEASE AND NOT Deflate_LIBRARY_DEBUG)
+            set_target_properties(Deflate::Deflate PROPERTIES
+                    IMPORTED_LOCATION_RELEASE "${Deflate_LIBRARY}")
+        endif()
+    endif()
+endif()