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https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=a135841da3110538f92f9aa51923e51157f31f1b
commit a135841da3110538f92f9aa51923e51157f31f1b
Merge: 67849b9 412f76c
Author: Chuck Atkins <chuck.atk...@kitware.com>
AuthorDate: Thu Jul 28 12:10:57 2016 -0400
Commit: CMake Topic Stage <kwro...@kitware.com>
CommitDate: Thu Jul 28 12:10:57 2016 -0400
Merge topic 'add-findszip' into next
412f76c6 FindSZIP: Add a new find module to locate the SZIP library.
https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=412f76c6b8a713a158396f385bc0521cd3d39f7c
commit 412f76c6b8a713a158396f385bc0521cd3d39f7c
Author: Chuck Atkins <chuck.atk...@kitware.com>
AuthorDate: Mon Jul 25 13:07:02 2016 -0400
Commit: Chuck Atkins <chuck.atk...@kitware.com>
CommitDate: Thu Jul 28 12:10:30 2016 -0400
FindSZIP: Add a new find module to locate the SZIP library.
diff --git a/Modules/FindSZIP.cmake b/Modules/FindSZIP.cmake
new file mode 100644
index 0000000..db0a3c7
--- /dev/null
+++ b/Modules/FindSZIP.cmake
@@ -0,0 +1,128 @@
+#.rst:
+# FindSZIP
+# ---------
+#
+# Find SZIP, a compression library developed by HDF5.
+#
+# Once done this will define
+#
+# ::
+# SZIP_FOUND - System has SZIP
+# SZIP_INCLUDE_DIRS - The SZIP include directories to use
+# SZIP_LIBRARIES - Link these to use SZIP
+# SZIP_VERSION - The version of SZIP found
+# ::
+#
+# The following imported target is also created:
+#
+# ::
+# SZIP::SZIP
+# ::
+#
+# The following variable can be set to guide the search for SZIP libraries and
+# includes:
+# SZIP_ROOT_DIR -
+# Search order preference is SZIP_ROOT_DIR followed by ENV{SZIP_INSTALL}.
+# If SZIP_ROOT_DIR is specified then it is searched exclusively, ignoring
+# default search paths.
+
+#=============================================================================
+# Copyright 2006-2016 Kitware, Inc.
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distribute this file outside of CMake, substitute the full
+# License text for the above reference.)
+
+function(_SZIP_get_version)
+ set(scratch_dir ${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/szip)
+ set(test_file ${scratch_dir}/cmake_szip_version.c)
+ file(WRITE ${test_file}
+ "#include <stdlib.h>\n"
+ "#include <szlib.h>\n"
+ "int main(void) {\n"
+ " char const* info_ver = \"INFO\" \":\" SZLIB_VERSION;\n"
+ " return 0;\n"
+ "}")
+ try_compile(szip_version_test ${scratch_dir} ${test_file}
+ CMAKE_FLAGS -DINCLUDE_DIRECTORIES=${SZIP_INCLUDE_DIR}
+ COPY_FILE ${scratch_dir}/cmake_szip_version)
+ if(szip_version_test)
+ file(STRINGS ${scratch_dir}/cmake_szip_version INFO_VER
+ REGEX "^INFO:([0-9]+(\\.[0-9]+(\\.[0-9]+)?)?)$")
+ string(REGEX MATCH "^INFO:([0-9]+(\\.[0-9]+(\\.[0-9]+)?)?)$"
+ INFO_VER "${INFO_VER}")
+ set(SZIP_VERSION ${CMAKE_MATCH_1} PARENT_SCOPE)
+ endif()
+endfunction()
+
+# If the root dir is explicitly specified, then ONLY look there
+message("SZIP_ROOT_DIR: ${SZIP_ROOT_DIR}")
+message("ENV{SZIP_INSTALL}: $ENV{SZIP_INSTALL}")
+if(SZIP_ROOT_DIR)
+ set(SZIP_SEARCH_OPTS PATHS ${SZIP_ROOT_DIR} NO_DEFAULT_PATH)
+elseif(NOT ("$ENV{SZIP_INSTALL}" STREQUAL ""))
+ message("DEBUG: ENV{SZIP_INSTALL}")
+ set(SZIP_SEARCH_OPTS HINTS ENV SZIP_INSTALL)
+endif()
+
+# Find the main header
+find_path(SZIP_INCLUDE_DIR NAMES szlib.h
+ ${SZIP_SEARCH_OPTS} PATH_SUFFIXES include include/szip Include Include/szip)
+mark_as_advanced(SZIP_INCLUDE_DIR)
+
+# Find the release library
+set(SZIP_LIBRARY_RELEASE_NAMES sz szip)
+if(WIN32)
+ list(APPEND SZIP_LIBRARY_RELEASE_NAMES libsz libszip)
+endif()
+find_library(SZIP_LIBRARY_RELEASE NAMES ${SZIP_LIBRARY_RELEASE_NAMES}
+ ${SZIP_SEARCH_OPTS} PATH_SUFFIXES lib Lib)
+
+# Find the debug library
+set(SZIP_LIBRARY_DEBUG_NAMES sz_d szip_d)
+if(WIN32)
+ list(APPEND SZIP_LIBARY_DEBUG_NAMES libsz_d libszip_d)
+endif()
+find_library(SZIP_LIBRARY_DEBUG NAMES ${SZIP_LIBRARY_DEBUG_NAMES}
+ ${SZIP_SEARCH_OPTS} PATH_SUFFIXES lib Lib)
+
+include(SelectLibraryConfigurations)
+select_library_configurations(SZIP)
+
+if(SZIP_INCLUDE_DIR)
+ _SZIP_get_version()
+endif()
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(SZIP
+ REQUIRED_VARS SZIP_LIBRARY SZIP_INCLUDE_DIR
+ VERSION_VAR SZIP_VERSION)
+
+# Set up the appropriate import target
+if(SZIP_FOUND)
+ set(SZIP_LIBRARIES ${SZIP_LIBRARY})
+ set(SZIP_INCLUDE_DIRS ${SZIP_INCLUDE_DIR})
+ if(NOT TARGET SZIP::SZIP)
+ add_library(SZIP::SZIP UNKNOWN IMPORTED)
+ set_target_properties(SZIP::SZIP PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES ${SZIP_INCLUDE_DIR})
+ if(SZIP_VERSION)
+ set_target_properties(SZIP::SZIP PROPERTIES
+ VERSION ${SZIP_VERSION})
+ endif()
+ if(SZIP_LIBRARY_RELEASE)
+ set_target_properties(SZIP::SZIP PROPERTIES
+ IMPORTED_LOCATION_RELEASE ${SZIP_LIBRARY_RELEASE})
+ endif()
+ if(SZIP_LIBRARY_DEBUG)
+ set_target_properties(SZIP::SZIP PROPERTIES
+ IMPORTED_LOCATION_DEBUG ${SZIP_LIBRARY_DEBUG})
+ endif()
+ endif()
+endif()
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