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+# Copyright (c) 2014, Matthias Vallentin
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+# Tries to find editline headers and libraries
+#
+# Usage of this module as follows:
+#
+# find_package(Editline)
+#
+# Variables used by this module, they can change the default behaviour and need
+# to be set before calling find_package:
+#
+# EDITLINE_ROOT_DIR Set this variable to the root installation of
+# editline if the module has problems finding
+# the proper installation path.
+#
+# Variables defined by this module:
+#
+# EDITLINE_FOUND System has Editline libs/headers
+# EDITLINE_LIBRARIES The Editline libraries
+# EDITLINE_INCLUDE_DIR The location of Editline headers
+# EDITLINE_VERSION The full version of Editline
+# EDITLINE_VERSION_MAJOR The version major of Editline
+# EDITLINE_VERSION_MINOR The version minor of Editline
+
+find_path(EDITLINE_INCLUDE_DIR
+ NAMES histedit.h
+ HINTS ${EDITLINE_ROOT_DIR}/include)
+
+if (EDITLINE_INCLUDE_DIR)
+ file(STRINGS ${EDITLINE_INCLUDE_DIR}/histedit.h editline_header REGEX "^#define.LIBEDIT_[A-Z]+.*$")
+
+ string(REGEX REPLACE ".*#define.LIBEDIT_MAJOR[ \t]+([0-9]+).*" "\\1" EDITLINE_VERSION_MAJOR "${editline_header}")
+ string(REGEX REPLACE ".*#define.LIBEDIT_MINOR[ \t]+([0-9]+).*" "\\1" EDITLINE_VERSION_MINOR "${editline_header}")
+
+ set(EDITLINE_VERSION_MAJOR ${EDITLINE_VERSION_MAJOR} CACHE STRING "" FORCE)
+ set(EDITLINE_VERSION_MINOR ${EDITLINE_VERSION_MINOR} CACHE STRING "" FORCE)
+ set(EDITLINE_VERSION ${EDITLINE_VERSION_MAJOR}.${EDITLINE_VERSION_MINOR}
+ CACHE STRING "" FORCE)
+endif ()
+
+find_library(EDITLINE_LIBRARIES
+ NAMES edit
+ HINTS ${EDITLINE_ROOT_DIR}/lib)
+
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(
+ Editline
+ DEFAULT_MSG
+ EDITLINE_LIBRARIES
+ EDITLINE_INCLUDE_DIR)
+
+mark_as_advanced(
+ EDITLINE_ROOT_DIR
+ EDITLINE_LIBRARIES
+ EDITLINE_INCLUDE_DIR
+ EDITLINE_VERSION
+ EDITLINE_VERSION_MAJOR
+ EDITLINE_VERSION_MINOR
+ )