>> I have created an out-of-source build tree (on Windows), with the
>> installation directory as a subfolder of the build trees. The idea is
>> that the compiled binary requires some DLL's, images, 3D models and
>> configuration files, at a location relative to the executable. If the
>> files are changed, they will be copied from the source tree to the
>> installation tree again. Therefore, I need to run "make install all"
>> before running the executable. Because of the executable's
>> dependency on
>> the other files, I always want to build and install. (I don't expect
a
>> built file to work in itself because it won't be able to find the
>> required files)
>
>
>In such a situation I usually try to "configure_file" things into the
>build tree such that I can run the executable from the build tree.
>Also setting EXECUTABLE_OUTPUT_PATH and LIBRARY_OUTPUT_PATH for this
>purpose is very useful. If I need to configure some files differently
>for the build and install tree, I configure them twice into separate
>directories (the latter e.g. under ${CMAKE_BINARY_DIR}/InstallFiles).
>This way I can have different versions of the configured files for the
>build and install tree.
>
I have now set up the tree so that the executables can be run
immediately from where they are created. I use configure_file to copy
the files. The problem is now, that every time I do a re-configure, the
files (including a dll that is very big) are copied. Is there a way of
making sure the files are copied *only* when they are renewed? (and also
making sure they are removed when the original is removed?)
Here is my layout of the project:
My setup is as follows:
Src //the root of the cmake project
+- Bin
| Main.cxx
+ Lib
| All other cxx and h files I made
+- Data
| Required files (3d models, images, etc.)
+- Cfg
Required config files
Debug //all contents over here is generated by cmake-gui ../src and
make
+- Bin
| Main.exe
| DLLs of 3rd party library
+- Lib
| Compiled libXXX.a files
+- Data
| Required files (3d models, images, etc.)
+- Cfg
Required config files
Thirdparty //this directory provides the 3rd party libraries we
link
| // against or include
+- Cxxtest
+- OgreSDK
+- Bin
| +- Debug
| | All the DLL's
| +- Release
| All the DLL's
+- Lib
Include
....
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