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@@ -0,0 +1,103 @@ |
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# CMake find_package() module for the OCaml language. |
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# Assumes ocamlfind will be used for compilation. |
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# http://ocaml.org/ |
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# |
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# Example usage: |
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# |
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# find_package(OCaml) |
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# |
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# If successful, the following variables will be defined: |
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# OCAMLFIND |
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# OCAML_VERSION |
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# OCAML_STDLIB_PATH |
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# HAVE_OCAMLOPT |
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# |
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# Also provides find_ocamlfind_package() macro. |
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# |
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# Example usage: |
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# |
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# find_ocamlfind_package(ctypes) |
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# |
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# In any case, the following variables are defined: |
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# |
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# HAVE_OCAML_${pkg} |
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# |
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# If successful, the following variables will be defined: |
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# |
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# OCAML_${pkg}_VERSION |
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include( FindPackageHandleStandardArgs ) |
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find_program(OCAMLFIND |
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NAMES ocamlfind) |
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if( OCAMLFIND ) |
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execute_process( |
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COMMAND ${OCAMLFIND} ocamlc -version |
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OUTPUT_VARIABLE OCAML_VERSION |
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OUTPUT_STRIP_TRAILING_WHITESPACE) |
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execute_process( |
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COMMAND ${OCAMLFIND} ocamlc -where |
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OUTPUT_VARIABLE OCAML_STDLIB_PATH |
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OUTPUT_STRIP_TRAILING_WHITESPACE) |
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execute_process( |
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COMMAND ${OCAMLFIND} ocamlc -version |
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OUTPUT_QUIET |
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RESULT_VARIABLE find_ocaml_result) |
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if( find_ocaml_result EQUAL 0 ) |
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set(HAVE_OCAMLOPT TRUE) |
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else() |
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set(HAVE_OCAMLOPT FALSE) |
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endif() |
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endif() |
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find_package_handle_standard_args( OCaml DEFAULT_MSG |
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OCAMLFIND |
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OCAML_VERSION |
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OCAML_STDLIB_PATH) |
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mark_as_advanced( |
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OCAMLFIND) |
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function(find_ocamlfind_package pkg) |
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CMAKE_PARSE_ARGUMENTS(ARG "OPTIONAL" "VERSION" "" ${ARGN}) |
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execute_process( |
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COMMAND "${OCAMLFIND}" "query" "${pkg}" "-format" "%v" |
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RESULT_VARIABLE result |
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OUTPUT_VARIABLE version |
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ERROR_VARIABLE error |
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OUTPUT_STRIP_TRAILING_WHITESPACE |
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ERROR_STRIP_TRAILING_WHITESPACE) |
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if( NOT result EQUAL 0 AND NOT ARG_OPTIONAL ) |
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message(FATAL_ERROR ${error}) |
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endif() |
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if( result EQUAL 0 ) |
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set(found TRUE) |
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else() |
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set(found FALSE) |
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endif() |
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if( found AND ARG_VERSION ) |
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if( version VERSION_LESS ARG_VERSION AND ARG_OPTIONAL ) |
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# If it's optional and the constraint is not satisfied, pretend |
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# it wasn't found. |
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set(found FALSE) |
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elseif( version VERSION_LESS ARG_VERSION ) |
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message(FATAL_ERROR |
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"ocamlfind package ${pkg} should have version ${ARG_VERSION} or newer") |
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endif() |
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endif() |
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string(TOUPPER ${pkg} pkg) |
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set(HAVE_OCAML_${pkg} ${found} |
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PARENT_SCOPE) |
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set(OCAML_${pkg}_VERSION ${version} |
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PARENT_SCOPE) |
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endfunction() |