Re: [CMake] Undocumented magic required for installing globbed files

[Radu Serban]

Alan W. Irwin wrote:
On 2007-01-31 17:06-0800 Radu Serban wrote:
Alan W. Irwin wrote:

install(
  CODE "
  file(GLOB USER_DOCS ${CMAKE_SOURCE_DIR}/doc/user/html/*) \n
  file(INSTALL DESTINATION ${docdir}/html/user/html
  TYPE FILE FILES \${USER_DOCS}
  )"
)
[snip]

Just out of curiosity, is there any reason/advantage to using the 
above versus simply having

file(GLOB USER_DOCS ${CMAKE_SOURCE_SIR}/doc/user/html/*)
file(INSTALL DESTINATION ${docdir}/html/user/html
 TYPE FILE FILES ${USER_DOCS})

I don't know for sure.

Remember, I just copied a pattern from other projects, and I haven't seen
the alternative pattern you suggest which might or might not work.
Currently, my best guess is "file(INSTALL" is a workhorse that simply 
copies
files at _cmake_ time.  The purpose of the "install(CODE ..." surrounding
all this is to make a rule that runs cmake commands when the user types
"make install" which, of course, happens at a quite different time than
ordinary cmake commands which are usually used to configure the system 
before
any make commands are executed.

Anyhow, all this uncertainty about the "file(INSTALL" pattern can be
eliminated if somebody familiar with how/why it is implemented will step
forward to document it for the first time.


Actually, I'm pretty sure that the copying of files will happen at "make 
install" time.
In any case, the alternative I really meant to suggest (which I use in my 
project) is:

file(GLOB USER_DOCS ${CMAKE_SOURCE_SIR}/doc/user/html/*)
install(FILES ${USER_DOCS} DESTINATION ${docdir}/html/user/html)

This doesn't use the undocumented file(INSTALL signature and will certainly work 
as you want.

--Radu
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