[CMake] Custom RPM build failing for want of RPMBUILD_FLAGS

[Stewart, Robert]

On Wednesday, March 06, 2019 3:33 PM, I wrote:

>

> We've recently upgraded CMake from 2.8+ to 3.5+ (different versions on different platforms).  In

> so doing, our CMake invocation of CPack to create RPMs now fails and I'm hoping someone can help.

> I have a spec file and I want to run rpmbuild -bb, but I can't figure out how to do it.

>

> We have been using a custom spec file all along, but I found information indicating that doing so

> is (now?) considered a hack and that everything should be possible merely by setting CPACK_*

> variables.  Unfortunately, that's not the case.  With the following %files entries, CPackRPM.cmake

> chokes:

>

> %defattr(-, %{user}, %{group}, 0755)

> %dir %{destination}

> %dir %{versioned}

> %dir %{foo}

> %{foo}/*.sh

> %attr(555, %{user}, %{group}) %{foo}/a

> %dir %{bar}

> %attr(544, %{user}, %{group}) %{bar}/b

> %attr(444, %{user}, %{group}) %{bar}/*common

> %{bar}/lib

>

> The result is that my attempt to port to the all-variable approach failed, so I'm setting

> CPACK_RPM_USER_BINARY_SPECFILE to refer to my spec file as before.  Unfortunately, when I do so,

> CPackRPM.cmake doesn't set RPMBUILD_FLAGS, and that leads to rpmbuild doing nothing useful.  The

> issue is in the following code:

>

>     # We should generate a USER spec file template:

>     #  - either because the user asked for it : CPACK_RPM_GENERATE_USER_BINARY_SPECFILE_TEMPLATE

>     #  - or the user did not provide one : NOT CPACK_RPM_USER_BINARY_SPECFILE

>     if(CPACK_RPM_GENERATE_USER_BINARY_SPECFILE_TEMPLATE OR NOT CPACK_RPM_USER_BINARY_SPECFILE)

>       set(RPMBUILD_FLAGS "-bb")

>

> I tried just setting RPMBUILD_FLAGS to -bb in my CMakeLists.txt, where I include CPack, but that

> isn't propagated to CPackRPM.cmake.  I tried adding a custom target that invoked

> "${CMAKE_CPACK_COMMAND} -D RPMBUILD_FLAGS=-bb", but that didn't work either.

>

> If the regex processing of the %files content were more robust, I wouldn't trip over the

> RPMBUILD_FLAGS issue, but either CPACK_RPM_USER_BINARY_SPECFILE is supported or it isn't, and

> since it is currently, it should be possible for me to set RPMBUILD_FLAGS.

>

> Ideas?



Anyone?

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