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authorRoger Leigh <rleigh@codelibre.net>2021-02-07 19:22:06 +0000
committerRoger Leigh <rleigh@codelibre.net>2021-02-13 12:24:53 +0000
commite90d230fc33b160a49d7932db85b907bc3617cb8 (patch)
treea9da19d270a2abdbb5853dc7789fde9276d54826 /cmake
parentffdad3129fb352fc5f7075fe1ff2acee90da90ae (diff)
downloadlibtiff-git-e90d230fc33b160a49d7932db85b907bc3617cb8.tar.gz
cmake: Move Deflate codec support to DeflateCodec.cmake
Diffstat (limited to 'cmake')
-rw-r--r--cmake/DeflateCodec.cmake45
1 files changed, 45 insertions, 0 deletions
diff --git a/cmake/DeflateCodec.cmake b/cmake/DeflateCodec.cmake
new file mode 100644
index 00000000..76e5673e
--- /dev/null
+++ b/cmake/DeflateCodec.cmake
@@ -0,0 +1,45 @@
+# Checks for deflate codec support
+#
+# Copyright © 2015 Open Microscopy Environment / University of Dundee
+# Copyright © 2021 Roger Leigh <rleigh@codelibre.net>
+# Written by Roger Leigh <rleigh@codelibre.net>
+#
+# Permission to use, copy, modify, distribute, and sell this software and
+# its documentation for any purpose is hereby granted without fee, provided
+# that (i) the above copyright notices and this permission notice appear in
+# all copies of the software and related documentation, and (ii) the names of
+# Sam Leffler and Silicon Graphics may not be used in any advertising or
+# publicity relating to the software without the specific, prior written
+# permission of Sam Leffler and Silicon Graphics.
+#
+# THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
+# WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
+#
+# IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
+# ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
+# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
+# WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
+# LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
+# OF THIS SOFTWARE.
+
+
+# ZLIB
+set(ZLIB_SUPPORT FALSE)
+find_package(ZLIB)
+option(zlib "use zlib (required for Deflate compression)" ${ZLIB_FOUND})
+if(zlib AND ZLIB_FOUND)
+ set(ZLIB_SUPPORT TRUE)
+endif()
+set(ZIP_SUPPORT ${ZLIB_SUPPORT})
+
+# libdeflate
+set(LIBDEFLATE_SUPPORT FALSE)
+find_package(Deflate)
+option(libdeflate "use libdeflate (optional for faster Deflate support, still requires zlib)" ${Deflate_FOUND})
+if (libdeflate AND Deflate_FOUND AND ZIP_SUPPORT)
+ set(LIBDEFLATE_SUPPORT TRUE)
+endif()
+if(Deflate_FOUND AND NOT ZIP_SUPPORT)
+ message(WARNING "libdeflate available but zlib is not. libdeflate cannot be used")
+endif()