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91 lines
3.0 KiB
91 lines
3.0 KiB
15 years ago
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#=============================================================================
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# Copyright 2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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cmake_minimum_required(VERSION 2.6.3)
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project(FortranCInterface C Fortran)
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include(${FortranCInterface_BINARY_DIR}/Input.cmake OPTIONAL)
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# Check if the C compiler supports '$' in identifiers.
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include(CheckCSourceCompiles)
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check_c_source_compiles("
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extern int dollar$(void);
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int main() { return 0; }
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" C_SUPPORTS_DOLLAR)
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# List manglings of global symbol names to try.
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set(global_symbols
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my_sub # VisualAge
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my_sub_ # GNU, Intel, HP, SunPro, MIPSpro
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my_sub__ # GNU g77
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mysub # VisualAge
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mysub_ # GNU, Intel, HP, SunPro, MIPSpro
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${FortranCInterface_GLOBAL_SYMBOLS}
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)
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list(REMOVE_DUPLICATES global_symbols)
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# List manglings of module symbol names to try.
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set(module_symbols
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__my_module_MOD_my_sub # GNU 4.3
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__my_module_NMOD_my_sub # VisualAge
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__my_module__my_sub # GNU 4.2
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__mymodule_MOD_mysub # GNU 4.3
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__mymodule_NMOD_mysub # VisualAge
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__mymodule__mysub # GNU 4.2
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my_module$my_sub # HP
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my_module_mp_my_sub_ # Intel
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my_module_my_sub_ # PGI
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mymodule$mysub # HP
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mymodule_mp_mysub_ # Intel
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mymodule_mysub_ # PGI
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${FortranCInterface_MODULE_SYMBOLS}
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)
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list(REMOVE_DUPLICATES module_symbols)
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# Note that some compiler manglings cannot be invoked from C:
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# MIPSpro uses "MY_SUB.in.MY_MODULE"
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# SunPro uses "my_module.my_sub_"
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# Add module symbols only with Fortran90.
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if(CMAKE_Fortran_COMPILER_SUPPORTS_F90)
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set(myfort_modules mymodule.f90 my_module.f90)
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set(call_mod call_mod.f90)
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set_property(SOURCE main.F PROPERTY COMPILE_DEFINITIONS CALL_MOD)
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else()
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set(module_symbols)
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endif()
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# Generate C symbol sources.
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foreach(symbol IN LISTS global_symbols module_symbols)
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# Skip symbols with '$' if C cannot handle them.
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if(C_SUPPORTS_DOLLAR OR NOT "${symbol}" MATCHES "\\$")
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if("${symbol}" MATCHES "SUB")
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set(upper "-UPPER")
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else()
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set(upper)
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endif()
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string(REPLACE "$" "S" name "${symbol}")
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set(source ${CMAKE_CURRENT_BINARY_DIR}/symbols/${name}${upper}.c)
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configure_file(${CMAKE_CURRENT_SOURCE_DIR}/symbol.c.in ${source} @ONLY)
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list(APPEND symbol_sources ${source})
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endif()
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endforeach()
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# Provide symbols through Fortran.
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add_library(myfort STATIC mysub.f my_sub.f ${myfort_modules})
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# Provide symbols through C but fall back to Fortran.
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add_library(symbols STATIC mymodule_.c my_module_.c ${symbol_sources})
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target_link_libraries(symbols myfort)
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# Require symbols through Fortran.
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add_executable(FortranCInterface main.F call_sub.f ${call_mod})
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target_link_libraries(FortranCInterface symbols)
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