86 lines
2.1 KiB
CMake
86 lines
2.1 KiB
CMake
#[=======================================================================[.rst:
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FindGLPK
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--------
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This module determines the GLPK library of the system.
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IMPORTED Targets
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^^^^^^^^^^^^^^^^
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This module defines :prop_tgt:`IMPORTED` target ``GLPK::GLPK``, if
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GLPK has been found.
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Result Variables
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^^^^^^^^^^^^^^^^
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This module defines the following variables:
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::
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GLPK_FOUND - True if GLPK found.
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Hints
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^^^^^
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A user may set ``GLPK_ROOT`` to a GLPK installation root to tell this
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module where to look.
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#]=======================================================================]
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# first specifically look for the CMake version of GLPK
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find_package(GLPK QUIET NO_MODULE)
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# if we found the GLPK cmake package then we are done.
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if(GLPK_FOUND)
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return()
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endif()
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set(GLPK_FOUND FALSE)
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if(CMAKE_C_COMPILER_LOADED)
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include (CheckIncludeFile)
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include (CheckCSourceCompiles)
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elseif(CMAKE_CXX_COMPILER_LOADED)
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include (CheckIncludeFileCXX)
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include (CheckCXXSourceCompiles)
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else()
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message(FATAL_ERROR "FindGLPK only works if either C or CXX language is enabled")
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endif()
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if(NOT GLPK_ROOT)
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if (DEFINED ENV{GLPK_ROOT})
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set(GLPK_ROOT $ENV{GLPK_ROOT})
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else()
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find_path(GLPK_PATH libglpk.a libglpk.lib
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DOC "Path in which libglpk is found"
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PATHS
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"/usr/local/lib"
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"/usr/lib"
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"${CMAKE_BINARY_DIR}/dependencies/GLPK/source/w32"
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"${CMAKE_BINARY_DIR}/dependencies/GLPK/source/w64"
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"${CMAKE_BINARY_DIR}/dependencies/GLPK/source/src/.lib"
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)
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if(GLPK_PATH)
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set(GLPK_ROOT ${GLPK_PATH})
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endif()
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endif()
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endif()
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message(STATUS "GLPK_ROOT: ${GLPK_ROOT}")
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if(NOT GLPK_ROOT)
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message(FATAL_ERROR "GLPK_ROOT: not found")
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else()
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set(GLPK_FOUND TRUE)
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endif()
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if(GLPK_FOUND AND NOT TARGET GLPK::GLPK)
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add_library(GLPK::GLPK UNKNOWN IMPORTED)
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if (UNIX)
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set_property(TARGET GLPK::GLPK PROPERTY IMPORTED_LOCATION
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${GLPK_ROOT}/libglpk.a
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)
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elseif(MSVC)
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set_property(TARGET GLPK::GLPK PROPERTY IMPORTED_LOCATION
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${GLPK_ROOT}/libglpk.lib
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)
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else()
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message(FATAL_ERROR "OR-Tools with GLPK not supported for ${CMAKE_SYSTEM}")
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endif()
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endif()
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