/usr/lib/CGAL/FindCGAL.cmake is in libcgal-dev 4.2-5ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# The following module is based on FindVTK.cmake
#
# - Find a CGAL installation or binary tree.
# The following variables are set if CGAL is found. If CGAL is not
# found, CGAL_FOUND is set to false.
#
# CGAL_FOUND - Set to true when CGAL is found.
# CGAL_USE_FILE - CMake file to use CGAL.
#
# Construct consitent error messages for use below.
set(CGAL_DIR_DESCRIPTION "directory containing CGALConfig.cmake. This is either the binary directory where CGAL was configured or PREFIX/lib/CGAL for an installation.")
set(CGAL_DIR_MESSAGE "CGAL not found. Set the CGAL_DIR cmake variable or environment variable to the ${CGAL_DIR_DESCRIPTION}")
set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS true)
if ( NOT CGAL_DIR )
# Get the system search path as a list.
if(UNIX)
string(REGEX MATCHALL "[^:]+" CGAL_DIR_SEARCH1 "$ENV{PATH}")
else()
string(REGEX REPLACE "\\\\" "/" CGAL_DIR_SEARCH1 "$ENV{PATH}")
endif()
string(REGEX REPLACE "/;" ";" CGAL_DIR_SEARCH2 "${CGAL_DIR_SEARCH1}")
# Construct a set of paths relative to the system search path.
set(CGAL_DIR_SEARCH "")
foreach(dir ${CGAL_DIR_SEARCH2})
set(CGAL_DIR_SEARCH ${CGAL_DIR_SEARCH} ${dir}/../lib/CGAL )
endforeach()
#
# Look for an installation or build tree.
#
find_path(CGAL_DIR CGALConfig.cmake
# Look for an environment variable CGAL_DIR.
$ENV{CGAL_DIR}
# Look in places relative to the system executable search path.
${CGAL_DIR_SEARCH}
# Look in standard UNIX install locations.
/usr/local/lib/CGAL
/usr/lib/CGAL
# Read from the CMakeSetup registry entries. It is likely that
# CGAL will have been recently built.
[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild1]
[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild2]
[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild3]
[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild4]
[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild5]
[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild6]
[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild7]
[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild8]
[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild9]
[HKEY_CURRENT_USER\\Software\\Kitware\\CMakeSetup\\Settings\\StartPath;WhereBuild10]
# Help the user find it if we cannot.
DOC "The ${CGAL_DIR_DESCRIPTION}"
)
endif()
if ( CGAL_DIR )
if ( EXISTS "${CGAL_DIR}/CGALConfig.cmake" )
include( "${CGAL_DIR}/CGALConfig.cmake" )
set( CGAL_FOUND TRUE )
endif()
endif()
if( NOT CGAL_FOUND)
if(CGAL_FIND_REQUIRED)
MESSAGE(FATAL_ERROR ${CGAL_DIR_MESSAGE})
else()
if(NOT CGAL_FIND_QUIETLY)
MESSAGE(STATUS ${CGAL_DIR_MESSAGE})
endif()
endif()
endif()
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