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# - Try to find CFITSIO
# Once done this will define
#
# CFITSIO_FOUND - system has CFITSIO
# CFITSIO_INCLUDE_DIR - the CFITSIO include directory
# CFITSIO_LIBRARIES - Link these to use CFITSIO
# CFITSIO_VERSION_STRING - Human readable version number of cfitsio
# CFITSIO_VERSION_MAJOR - Major version number of cfitsio
# CFITSIO_VERSION_MINOR - Minor version number of cfitsio
#
# Redistribution and use is allowed according to the terms of the BSD license.
find_path(CFITSIO_INCLUDE_DIR fitsio.h
PATH_SUFFIXES libcfitsio3 libcfitsio0 cfitsio
PATHS
$ENV{CFITSIO}
${_obIncDir}
${GNUWIN32_DIR}/include
/opt/local/include
)
find_library(CFITSIO_LIBRARIES NAMES cfitsio
PATHS
$ENV{CFITSIO}
${_obLinkDir}
${GNUWIN32_DIR}/lib
/opt/local/lib
)
if(CFITSIO_INCLUDE_DIR AND CFITSIO_LIBRARIES)
# Find the version of the cfitsio header
FILE(READ "${CFITSIO_INCLUDE_DIR}/fitsio.h" FITSIO_H)
STRING(REGEX REPLACE ".*#define CFITSIO_VERSION[^0-9]*([0-9]+)\\.([0-9]+).*" "\\1.\\2" CFITSIO_VERSION_STRING "${FITSIO_H}")
STRING(REGEX REPLACE "^([0-9]+)[.]([0-9]+)" "\\1" CFITSIO_VERSION_MAJOR ${CFITSIO_VERSION_STRING})
STRING(REGEX REPLACE "^([0-9]+)[.]([0-9]+)" "\\2" CFITSIO_VERSION_MINOR ${CFITSIO_VERSION_STRING})
SET(CFITSIO_VERSION_STRING "${CFITSIO_VERSION_MAJOR}.${CFITSIO_VERSION_MINOR}")
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(CFITSIO
REQUIRED_VARS CFITSIO_LIBRARIES CFITSIO_INCLUDE_DIR CFITSIO_VERSION_STRING)
mark_as_advanced(CFITSIO_INCLUDE_DIR CFITSIO_LIBRARIES)
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