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35 # This package tries to find an external lmfit library, version
36 # 7. Note that pkg-config support was removed before version 7, so is
37 # no longer supported here. Upon exit, the following variables may be
40 # LMFIT_FOUND - lmfit was found
41 # LMFIT_INCLUDE_DIR - lmfit include directory
42 # LMFIT_LIBRARY - lmfit library
43 # LMFIT_LINKS_OK - lmfit libraries link correctly
44 # LMFIT_VERSION - lmfit version string as "major.minor"
46 # CMake will search the CMAKE_PREFIX_PATH in the usual way, but if you
47 # need more control then setting LMFIT_INCLUDE_DIR and LMFIT_LIBRARY
48 # on the cmake command line to suitable values will work.
50 include(CMakePushCheckState)
51 cmake_push_check_state()
53 find_package(PkgConfig QUIET)
55 if(LMFIT_FIND_VERSION)
56 # lmfit doesn't support CMake-based find_package version
57 # checking in 6.1, so this code does nothing.
58 if(LMFIT_FIND_VERSION_EXACT)
59 pkg_check_modules(PC_LMFIT QUIET lmfit=${LMFIT_FIND_VERSION})
61 pkg_check_modules(PC_LMFIT QUIET lmfit>=${LMFIT_FIND_VERSION})
64 pkg_check_modules(PC_LMFIT QUIET lmfit)
66 string(REGEX REPLACE "^([0-9]+):([0-9]+)" "\\1.\\2" LMFIT_VERSION "${PC_LMFIT_VERSION}")
71 # Try to find lmfit, perhaps with help from pkg-config
72 find_path(LMFIT_INCLUDE_DIR lmcurve.h HINTS "${PC_LMFIT_INCLUDE_DIRS}" PATH_SUFFIXES include)
73 find_library(LMFIT_LIBRARY NAMES lmfit HINTS "${PC_LMFIT_LIBRARY_DIRS}" PATH_SUFFIXES lib64 lib)
75 # Make sure we can also link, so that cross-compilation is properly supported
76 if (LMFIT_INCLUDE_DIR AND LMFIT_LIBRARY)
77 include(CheckCXXSourceCompiles)
78 set(CMAKE_REQUIRED_INCLUDES ${LMFIT_INCLUDE_DIR})
79 set(CMAKE_REQUIRED_LIBRARIES ${LMFIT_LIBRARY})
80 check_cxx_source_compiles("#include <lmcurve.h>\nint main(){lmcurve(0,0,0,0,0,0,0,0);}" LMFIT_LINKS_OK)
83 include(FindPackageHandleStandardArgs)
84 find_package_handle_standard_args(lmfit
94 mark_as_advanced(LMFIT_INCLUDE_DIR LMFIT_LIBRARY)
96 # Make a target that other targets can depend on just like this was a
97 # library built in the main project.
99 add_library(lmfit INTERFACE IMPORTED)
100 set_target_properties(lmfit PROPERTIES
101 INTERFACE_INCLUDE_DIRECTORIES "${LMFIT_INCLUDE_DIR}"
102 INTERFACE_LINK_LIBRARIES "${LMFIT_LIBRARY}"
106 cmake_pop_check_state()