[CMake] Using CMake with ifort compiler

[Alain Leblanc]

The cmake documentation for add_subdirectory() states that the 
CMakeLists files in the subdirectories should contain their own 
project() command invocation. Your build file in the subdirectory does 
not contain one. I don't know that it will be automatically be seen by 
CMake as a fortran project because this is what the project in the top 
directory is.

Also I don't see the need for the two project files. I know this is what 
is done in the tutorial, but you could put everything in the project 
file from the top directory.

On 5/3/12 9:25 AM, Vivek Venugopal wrote:
> Thanks Kelly.
>
> But i still get this error:
> CMake cannot determine linker language for target:helloworld
>
> Thanks,
> Vivek
>
>
> --
> Vivek Venugopal
>
>
> On May 2, 2012, at 6:36 PM, "Thompson, Kelly G" <kgt at lanl.gov 
> <mailto:kgt at lanl.gov>> wrote:
>
>> My bad.  You need to tell CMake that this is a Fortran project.  Try 
>> this:
>>
>> # CMakeLists.txt
>>
>> cmake_minimum_required(VERSION 2.8.7)
>>
>> *project(helloworldproject Fortran)*
>>
>> add_subdirectory(src)
>>
>> # src/CMakeLists.txt
>>
>> cmake_minimum_required(VERSION 2.8.7)
>>
>> file(GLOB helloworld_SOURCES *.f90)
>>
>> add_executable(helloworld ${helloworld_SOURCES})
>>
>> -kt
>>
>> *From:*Vivek Venugopal [mailto:vivek.v80 at gmail.com]
>> *Sent:* Wednesday, May 02, 2012 11:45 AM
>> *To:* Thompson, Kelly G
>> *Subject:* Re: [CMake] Using CMake with ifort compiler
>>
>> I see an error during generate:
>>
>> CMake Error: CMake cannot determine linker language for target:helloworld
>>
>> CMake Error: Cannot determine link language for target "helloworld"
>>
>> --
>>
>> Vivek Venugopal
>>
>>
>>
>>
>> On May 2, 2012, at 12:45 PM, "Thompson, Kelly G" <kgt at lanl.gov 
>> <mailto:kgt at lanl.gov>> wrote:
>>
>>     Try this:
>>
>>     # CMakeLists.txt
>>
>>     cmake_minimum_required(VERSION 2.8.7)
>>
>>     *project(helloworldproject)*
>>
>>     add_subdirectory(src)
>>
>>     # src/CMakeLists.txt
>>
>>     cmake_minimum_required(VERSION 2.8.7)
>>
>>     file(GLOB helloworld_SOURCES *.f90)
>>
>>     add_executable(helloworld ${helloworld_SOURCES})
>>
>>     -kt
>>
>>     *From:*cmake-bounces at cmake.org <mailto:cmake-bounces at cmake.org>
>>     [mailto:cmake-bounces at cmake.org]
>>     <mailto:[mailto:cmake-bounces at cmake.org]> *On Behalf Of *Vivek
>>     Venugopal
>>     *Sent:* Wednesday, May 02, 2012 9:39 AM
>>     *To:* cmake at cmake.org <mailto:cmake at cmake.org>
>>     *Subject:* [CMake] Using CMake with ifort compiler
>>
>>
>>     I am using CMake 2.8.7 on a Linux machine with Intel 11.0
>>     compilers. I am trying to use CMake for the first time as I would
>>     like to build this project on both Windows and Linux machines.
>>
>>     I though of using a simple approach first and used a standard
>>     Hello World example: My src/HelloWorld.f90:
>>
>>       
>>
>>     |!Test helloworld in Fortran using Cmake|
>>
>>     |program hello|
>>
>>     |     print *, "Hello World!"|
>>
>>     |end program hello|
>>
>>     My main CMakeLists.txt:
>>
>>       
>>
>>     |# States that CMake required version must be greater than 2.8.7|
>>
>>     |cmake_minimum_required(VERSION 2.8.7)|
>>
>>     |enable_language (Fortran)|
>>
>>     |project(helloworld Fortran)|
>>
>>     |add_subdirectory(src)|
>>
>>     |SET_TARGET_PROPERTIES(helloworld PROPERTIES LINKER_LANGUAGE FORTRAN)|
>>
>>     My src/CMakeLists.txt:
>>
>>       
>>
>>     |cmake_minimum_required(VERSION 2.8.7)|
>>
>>     |  |
>>
>>     |# Include the directory itself as a path to include directories|
>>
>>     |set(CMAKE_INCLUDE_CURRENT_DIR ON)|
>>
>>     |  |
>>
>>     |# For a large number of source files you can create it in a simpler way|
>>
>>     |# using file() function:|
>>
>>     |file(GLOB helloworld_SOURCES *.f90)|
>>
>>     I still get an error which says CMAKE_FORTRAN_LINK_EXECUTABLE
>>     variable missing. I looked at Abinader's CMake tutorial#1
>>     <http://www.abinader.com.br/bruno/how-cmake-simplifies-the-build-process-part-1-basic-build-system/>,
>>     but haven't had success so far.
>>
>>     any suggestions?? Thanks in advance !
>>
>> ?]????B?
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>
>
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