[CMake] nonstandard C++ source filename extension

2015-03-16 Thread Dave Yost 
From what I can glean online, I’ve tried this:

set_source_files_properties(foo.bar  PROPERTIES  LANGUAGE  CXX)
add_executable(foo  foo.bar)
set_target_properties(foo  PROPERTIES  LINKER_LANGUAGE  CXX)

but it doesn’t work.
What am I missing?

0 Mon 20:16:15 yost
1181 Z% cat CMakeLists.txt
cmake_minimum_required(VERSION 3.0 FATAL_ERROR)
project(asm CXX)

set_source_files_properties(foo.bar PROPERTIES LANGUAGE CXX)
add_executable(foo foo.bar)
set_target_properties(foo PROPERTIES LINKER_LANGUAGE CXX)
0 Mon 20:16:43 yost
1182 Z% cat foo.bar 
#include 

int main(int argc, char* argv[]) {
  std::cout << "Hello\"\n";
  return 0;
}
0 Mon 20:16:46 yost
1183 Z% cd build ; cmake ..   
-- The CXX compiler identification is GNU 4.9.2
-- Checking whether CXX compiler has -isysroot
-- Checking whether CXX compiler has -isysroot - yes
-- Checking whether CXX compiler supports OSX deployment target flag
-- Checking whether CXX compiler supports OSX deployment target flag - yes
-- Check for working CXX compiler: /opt/local/bin/c++
-- Check for working CXX compiler: /opt/local/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Configuring done
-- Generating done
-- Build files have been written to: /Users/yost/p/c++/cmake/asm/build
0 Mon 20:16:58 yost
1184 Z% make
Scanning dependencies of target foo
[100%] Building CXX object CMakeFiles/foo.dir/foo.bar.o
c++: warning: /Users/yost/p/c++/cmake/asm/foo.bar: linker input file unused 
because linking not done
Linking CXX executable foo
c++: error: CMakeFiles/foo.dir/foo.bar.o: No such file or directory
CMakeFiles/foo.dir/build.make:85: recipe for target 'foo' failed
make[2]: *** [foo] Error 1
CMakeFiles/Makefile2:60: recipe for target 'CMakeFiles/foo.dir/all' failed
make[1]: *** [CMakeFiles/foo.dir/all] Error 2
Makefile:75: recipe for target 'all' failed
make: *** [all] Error 2
2 Mon 20:17:01 yost
1185 Z% rm -rf * ; cmake ..
zsh: sure you want to delete all the files in /Users/yost/p/c++/cmake/asm/build 
[yn]? y
-- The CXX compiler identification is GNU 4.9.2
-- Checking whether CXX compiler has -isysroot
-- Checking whether CXX compiler has -isysroot - yes
-- Checking whether CXX compiler supports OSX deployment target flag
-- Checking whether CXX compiler supports OSX deployment target flag - yes
-- Check for working CXX compiler: /opt/local/bin/c++
-- Check for working CXX compiler: /opt/local/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Configuring done
-- Generating done
-- Build files have been written to: /Users/yost/p/c++/cmake/asm/build
0 Mon 20:23:00 yost
1201 Z% make VERBOSE=1
/Applications/CMake.app/Contents/bin/cmake -H/Users/yost/p/c++/cmake/asm 
-B/Users/yost/p/c++/cmake/asm/build --check-build-system 
CMakeFiles/Makefile.cmake 0
/Applications/CMake.app/Contents/bin/cmake -E cmake_progress_start 
/Users/yost/p/c++/cmake/asm/build/CMakeFiles 
/Users/yost/p/c++/cmake/asm/build/CMakeFiles/progress.marks
make -f CMakeFiles/Makefile2 all
make[1]: Entering directory '/Users/yost/p/c++/cmake/asm/build'
make -f CMakeFiles/foo.dir/build.make CMakeFiles/foo.dir/depend
make[2]: Entering directory '/Users/yost/p/c++/cmake/asm/build'
cd /Users/yost/p/c++/cmake/asm/build && 
/Applications/CMake.app/Contents/bin/cmake -E cmake_depends "Unix Makefiles" 
/Users/yost/p/c++/cmake/asm /Users/yost/p/c++/cmake/asm 
/Users/yost/p/c++/cmake/asm/build /Users/yost/p/c++/cmake/asm/build 
/Users/yost/p/c++/cmake/asm/build/CMakeFiles/foo.dir/DependInfo.cmake --color=
Dependee 
"/Users/yost/p/c++/cmake/asm/build/CMakeFiles/foo.dir/DependInfo.cmake" is 
newer than depender 
"/Users/yost/p/c++/cmake/asm/build/CMakeFiles/foo.dir/depend.internal".
Dependee 
"/Users/yost/p/c++/cmake/asm/build/CMakeFiles/CMakeDirectoryInformation.cmake" 
is newer than depender 
"/Users/yost/p/c++/cmake/asm/build/CMakeFiles/foo.dir/depend.internal".
Scanning dependencies of target foo
make[2]: Leaving directory '/Users/yost/p/c++/cmake/asm/build'
make -f CMakeFiles/foo.dir/build.make CMakeFiles/foo.dir/build
make[2]: Entering directory '/Users/yost/p/c++/cmake/asm/build'
/Applications/CMake.app/Contents/bin/cmake -E cmake_progress_report 
/Users/yost/p/c++/cmake/asm/build/CMakeFiles 1
[100%] Building CXX object CMakeFiles/foo.dir/foo.bar.o
/opt/local/bin/c++ -o CMakeFiles/foo.dir/foo.bar.o -c 
/Users/yost/p/c++/cmake/asm/foo.bar
c++: warning: /Users/yost/p/c++/cmake/asm/foo.bar: linker input file unused 
because linking not done
Linking CXX executable foo
/Applications/CMake.app/Contents/bin/cmake -E cmake_link_script 
CMakeFiles/foo.dir/link.txt --verbose=1
/opt/local/bin/c++-Wl,-search_paths_first -Wl,-headerpad_max_install_names  
CMakeFiles/foo.dir/foo.bar.o  -o foo  
c++: error: CMakeFiles/foo.dir/foo.bar.o: No such file or directory
CMakeFiles/foo.dir/

Re: [CMake] nonstandard C++ source filename extension

2015-03-17 Thread Petr Kmoch 
Hi Dave.

This looks like a message directly from your compiler. Does it work if you
try to compile the file manually (no CMake)?

Petr

On Tue, Mar 17, 2015 at 5:10 AM, Dave Yost  wrote:

> From what I can glean online, I’ve tried this:
>
> set_source_files_properties(foo.bar  PROPERTIES  LANGUAGE  CXX)
> add_executable(foo  foo.bar)
> set_target_properties(foo  PROPERTIES  LINKER_LANGUAGE  CXX)
>
>
> but it doesn’t work.
> What am I missing?
>
> 0 Mon 20:16:15 yost
> 1181 Z% cat CMakeLists.txt
> cmake_minimum_required(VERSION 3.0 FATAL_ERROR)
> project(asm CXX)
>
> set_source_files_properties(foo.bar PROPERTIES LANGUAGE CXX)
> add_executable(foo foo.bar)
> set_target_properties(foo PROPERTIES LINKER_LANGUAGE CXX)
> 0 Mon 20:16:43 yost
> 1182 Z% cat foo.bar
> #include 
>
> int main(int argc, char* argv[]) {
>   std::cout << "Hello\"\n";
>   return 0;
> }
> 0 Mon 20:16:46 yost
> 1183 Z% cd build ; cmake ..
> -- The CXX compiler identification is GNU 4.9.2
> -- Checking whether CXX compiler has -isysroot
> -- Checking whether CXX compiler has -isysroot - yes
> -- Checking whether CXX compiler supports OSX deployment target flag
> -- Checking whether CXX compiler supports OSX deployment target flag - yes
> -- Check for working CXX compiler: /opt/local/bin/c++
> -- Check for working CXX compiler: /opt/local/bin/c++ -- works
> -- Detecting CXX compiler ABI info
> -- Detecting CXX compiler ABI info - done
> -- Detecting CXX compile features
> -- Detecting CXX compile features - done
> -- Configuring done
> -- Generating done
> -- Build files have been written to: /Users/yost/p/c++/cmake/asm/build
> 0 Mon 20:16:58 yost
> 1184 Z% make
> Scanning dependencies of target foo
> [100%] Building CXX object CMakeFiles/foo.dir/foo.bar.o
> c++: warning: /Users/yost/p/c++/cmake/asm/foo.bar: linker input file
> unused because linking not done
> Linking CXX executable foo
> c++: error: CMakeFiles/foo.dir/foo.bar.o: No such file or directory
> CMakeFiles/foo.dir/build.make:85: recipe for target 'foo' failed
> make[2]: *** [foo] Error 1
> CMakeFiles/Makefile2:60: recipe for target 'CMakeFiles/foo.dir/all' failed
> make[1]: *** [CMakeFiles/foo.dir/all] Error 2
> Makefile:75: recipe for target 'all' failed
> make: *** [all] Error 2
> 2 Mon 20:17:01 yost
> 1185 Z% rm -rf * ; cmake ..
> zsh: sure you want to delete all the files in
> /Users/yost/p/c++/cmake/asm/build [yn]? y
> -- The CXX compiler identification is GNU 4.9.2
> -- Checking whether CXX compiler has -isysroot
> -- Checking whether CXX compiler has -isysroot - yes
> -- Checking whether CXX compiler supports OSX deployment target flag
> -- Checking whether CXX compiler supports OSX deployment target flag - yes
> -- Check for working CXX compiler: /opt/local/bin/c++
> -- Check for working CXX compiler: /opt/local/bin/c++ -- works
> -- Detecting CXX compiler ABI info
> -- Detecting CXX compiler ABI info - done
> -- Detecting CXX compile features
> -- Detecting CXX compile features - done
> -- Configuring done
> -- Generating done
> -- Build files have been written to: /Users/yost/p/c++/cmake/asm/build
> 0 Mon 20:23:00 yost
> 1201 Z% make VERBOSE=1
> /Applications/CMake.app/Contents/bin/cmake -H/Users/yost/p/c++/cmake/asm
> -B/Users/yost/p/c++/cmake/asm/build --check-build-system
> CMakeFiles/Makefile.cmake 0
> /Applications/CMake.app/Contents/bin/cmake -E cmake_progress_start
> /Users/yost/p/c++/cmake/asm/build/CMakeFiles
> /Users/yost/p/c++/cmake/asm/build/CMakeFiles/progress.marks
> make -f CMakeFiles/Makefile2 all
> make[1]: Entering directory '/Users/yost/p/c++/cmake/asm/build'
> make -f CMakeFiles/foo.dir/build.make CMakeFiles/foo.dir/depend
> make[2]: Entering directory '/Users/yost/p/c++/cmake/asm/build'
> cd /Users/yost/p/c++/cmake/asm/build &&
> /Applications/CMake.app/Contents/bin/cmake -E cmake_depends "Unix
> Makefiles" /Users/yost/p/c++/cmake/asm /Users/yost/p/c++/cmake/asm
> /Users/yost/p/c++/cmake/asm/build /Users/yost/p/c++/cmake/asm/build
> /Users/yost/p/c++/cmake/asm/build/CMakeFiles/foo.dir/DependInfo.cmake
> --color=
> Dependee
> "/Users/yost/p/c++/cmake/asm/build/CMakeFiles/foo.dir/DependInfo.cmake" is
> newer than depender
> "/Users/yost/p/c++/cmake/asm/build/CMakeFiles/foo.dir/depend.internal".
> Dependee
> "/Users/yost/p/c++/cmake/asm/build/CMakeFiles/CMakeDirectoryInformation.cmake"
> is newer than depender
> "/Users/yost/p/c++/cmake/asm/build/CMakeFiles/foo.dir/depend.internal".
> Scanning dependencies of target foo
> make[2]: Leaving directory '/Users/yost/p/c++/cmake/asm/build'
> make -f CMakeFiles/foo.dir/build.make CMakeFiles/foo.dir/build
> make[2]: Entering directory '/Users/yost/p/c++/cmake/asm/build'
> /Applications/CMake.app/Contents/bin/cmake -E cmake_progress_report
> /Users/yost/p/c++/cmake/asm/build/CMakeFiles 1
> [100%] Building CXX object CMakeFiles/foo.dir/foo.bar.o
> /opt/local/bin/c++ -o CMakeFiles/foo.dir/foo.bar.o -c
> /Users/yost/p/c++/cmake/asm/foo.bar
> c++: warning: /Users/yost/p/c++/cmake/asm/foo.bar: linker input fil

Re: [CMake] nonstandard C++ source filename extension

2015-03-17 Thread Adam 
Hi Dave,

try
   add_definitions("-x c++")

CMakeLists.txt
cmake_minimum_required(VERSION 3.0 FATAL_ERROR)
project(asm CXX)
add_definitions("-x c++")
set_source_files_properties(foo.bar PROPERTIES LANGUAGE CXX)
add_executable(foo foo.bar)
set_target_properties(foo PROPERTIES LINKER_LANGUAGE CXX)

Adam


On Tue, Mar 17, 2015 at 2:10 PM, Dave Yost  wrote:

> From what I can glean online, I’ve tried this:
>
> set_source_files_properties(foo.bar  PROPERTIES  LANGUAGE  CXX)
> add_executable(foo  foo.bar)
> set_target_properties(foo  PROPERTIES  LINKER_LANGUAGE  CXX)
>
>
> but it doesn’t work.
> What am I missing?
>
> 0 Mon 20:16:15 yost
> 1181 Z% cat CMakeLists.txt
> cmake_minimum_required(VERSION 3.0 FATAL_ERROR)
> project(asm CXX)
>
> set_source_files_properties(foo.bar PROPERTIES LANGUAGE CXX)
> add_executable(foo foo.bar)
> set_target_properties(foo PROPERTIES LINKER_LANGUAGE CXX)
> 0 Mon 20:16:43 yost
> 1182 Z% cat foo.bar
> #include 
>
> int main(int argc, char* argv[]) {
>   std::cout << "Hello\"\n";
>   return 0;
> }
> 0 Mon 20:16:46 yost
> 1183 Z% cd build ; cmake ..
> -- The CXX compiler identification is GNU 4.9.2
> -- Checking whether CXX compiler has -isysroot
> -- Checking whether CXX compiler has -isysroot - yes
> -- Checking whether CXX compiler supports OSX deployment target flag
> -- Checking whether CXX compiler supports OSX deployment target flag - yes
> -- Check for working CXX compiler: /opt/local/bin/c++
> -- Check for working CXX compiler: /opt/local/bin/c++ -- works
> -- Detecting CXX compiler ABI info
> -- Detecting CXX compiler ABI info - done
> -- Detecting CXX compile features
> -- Detecting CXX compile features - done
> -- Configuring done
> -- Generating done
> -- Build files have been written to: /Users/yost/p/c++/cmake/asm/build
> 0 Mon 20:16:58 yost
> 1184 Z% make
> Scanning dependencies of target foo
> [100%] Building CXX object CMakeFiles/foo.dir/foo.bar.o
> c++: warning: /Users/yost/p/c++/cmake/asm/foo.bar: linker input file
> unused because linking not done
> Linking CXX executable foo
> c++: error: CMakeFiles/foo.dir/foo.bar.o: No such file or directory
> CMakeFiles/foo.dir/build.make:85: recipe for target 'foo' failed
> make[2]: *** [foo] Error 1
> CMakeFiles/Makefile2:60: recipe for target 'CMakeFiles/foo.dir/all' failed
> make[1]: *** [CMakeFiles/foo.dir/all] Error 2
> Makefile:75: recipe for target 'all' failed
> make: *** [all] Error 2
> 2 Mon 20:17:01 yost
> 1185 Z% rm -rf * ; cmake ..
> zsh: sure you want to delete all the files in
> /Users/yost/p/c++/cmake/asm/build [yn]? y
> -- The CXX compiler identification is GNU 4.9.2
> -- Checking whether CXX compiler has -isysroot
> -- Checking whether CXX compiler has -isysroot - yes
> -- Checking whether CXX compiler supports OSX deployment target flag
> -- Checking whether CXX compiler supports OSX deployment target flag - yes
> -- Check for working CXX compiler: /opt/local/bin/c++
> -- Check for working CXX compiler: /opt/local/bin/c++ -- works
> -- Detecting CXX compiler ABI info
> -- Detecting CXX compiler ABI info - done
> -- Detecting CXX compile features
> -- Detecting CXX compile features - done
> -- Configuring done
> -- Generating done
> -- Build files have been written to: /Users/yost/p/c++/cmake/asm/build
> 0 Mon 20:23:00 yost
> 1201 Z% make VERBOSE=1
> /Applications/CMake.app/Contents/bin/cmake -H/Users/yost/p/c++/cmake/asm
> -B/Users/yost/p/c++/cmake/asm/build --check-build-system
> CMakeFiles/Makefile.cmake 0
> /Applications/CMake.app/Contents/bin/cmake -E cmake_progress_start
> /Users/yost/p/c++/cmake/asm/build/CMakeFiles
> /Users/yost/p/c++/cmake/asm/build/CMakeFiles/progress.marks
> make -f CMakeFiles/Makefile2 all
> make[1]: Entering directory '/Users/yost/p/c++/cmake/asm/build'
> make -f CMakeFiles/foo.dir/build.make CMakeFiles/foo.dir/depend
> make[2]: Entering directory '/Users/yost/p/c++/cmake/asm/build'
> cd /Users/yost/p/c++/cmake/asm/build &&
> /Applications/CMake.app/Contents/bin/cmake -E cmake_depends "Unix
> Makefiles" /Users/yost/p/c++/cmake/asm /Users/yost/p/c++/cmake/asm
> /Users/yost/p/c++/cmake/asm/build /Users/yost/p/c++/cmake/asm/build
> /Users/yost/p/c++/cmake/asm/build/CMakeFiles/foo.dir/DependInfo.cmake
> --color=
> Dependee
> "/Users/yost/p/c++/cmake/asm/build/CMakeFiles/foo.dir/DependInfo.cmake" is
> newer than depender
> "/Users/yost/p/c++/cmake/asm/build/CMakeFiles/foo.dir/depend.internal".
> Dependee
> "/Users/yost/p/c++/cmake/asm/build/CMakeFiles/CMakeDirectoryInformation.cmake"
> is newer than depender
> "/Users/yost/p/c++/cmake/asm/build/CMakeFiles/foo.dir/depend.internal".
> Scanning dependencies of target foo
> make[2]: Leaving directory '/Users/yost/p/c++/cmake/asm/build'
> make -f CMakeFiles/foo.dir/build.make CMakeFiles/foo.dir/build
> make[2]: Entering directory '/Users/yost/p/c++/cmake/asm/build'
> /Applications/CMake.app/Contents/bin/cmake -E cmake_progress_report
> /Users/yost/p/c++/cmake/asm/build/CMakeFiles 1
> [100%] Building CXX object CMakeFiles/foo.dir/foo.bar.o

Re: [CMake] nonstandard C++ source filename extension

2015-03-19 Thread Bill Hoffman 

This works for me:

---CMakeLists.txt
cmake_minimum_required(VERSION 3.0 FATAL_ERROR)
project(asm CXX)
add_executable(foo foo.bar)
set_source_files_properties(foo.bar PROPERTIES LANGUAGE CXX)

---foo.bar---
int main() { return 0;}


$ /cygdrive/c/Program\ Files\ \(x86\)/CMake/bin/cmake -GNinja ..
-- The CXX compiler identification is MSVC 16.0.40219.1
-- Check for working CXX compiler using: Ninja
-- Check for working CXX compiler using: Ninja -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Configuring done
-- Generating done
-- Build files have been written to: C:/Users/hoffman/foo/b

hoffman@quasar ~/foo/b
$ ninja
[1/2] Building CXX object CMakeFiles\foo.dir\foo.bar.obj
foo.bar
[2/2] Linking CXX executable foo.exe

--

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Re: [CMake] nonstandard C++ source filename extension

2015-03-25 Thread Brad King 
On Tue, Mar 17, 2015 at 12:10 AM, Dave Yost wrote:
> set_source_files_properties(foo.bar  PROPERTIES  LANGUAGE  CXX)
[snip]
> [100%] Building CXX object CMakeFiles/foo.dir/foo.bar.o
> c++: warning: /Users/yost/p/c++/cmake/asm/foo.bar: linker input file unused
> because linking not done
> Linking CXX executable foo
> c++: error: CMakeFiles/foo.dir/foo.bar.o: No such file or directory

The LANGUAGE property just tells CMake what the language is in
case CMake does not know an extension supported by a particular
compiler.  It does not cause the "-x c++" or similar flag to be added:

 http://www.cmake.org/Bug/view.php?id=14516

The latter is needed to convince the compiler of the language.

-Brad
-- 

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Kitware offers various services to support the CMake community. For more 
information on each offering, please visit:

CMake Support: http://cmake.org/cmake/help/support.html
CMake Consulting: http://cmake.org/cmake/help/consulting.html
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