Coq_makefile: section refactoring and no variables for OCaml if no ml* files in the generated code.
Coq_makefile: section refactoring and no variables for OCaml if no ml* files in the generated code.

git-svn-id: 44dc50bdcc0f5d1a212c497508dc9452e0b35e2b@14806 85f007b7-540e-0410-9357-904b9bb8a0f7

herbelin/github-coq,TOSPIO/coq,letouzey/coq-wip,maximedenes/coq,gmalecha/coq,william-lawvere/coq,ppedrot/coq,mlasson/coq,JasonGross/coq,gmalecha/coq,mlasson/coq,TOSPIO/coq,ppedrot/coq,herbelin/github-coq,aspiwack/coq,Zimmi48/coq,jpdeplaix/coq,pirapira/coq2rust,ppedrot/coq,shindere/coq,asr/coq,JasonGross/coq,letouzey/coq-wip,william-lawvere/coq,jhjourdan/coq,letouzey/coq-wip,barras/coq,ejgallego/coq,mattam82/coq,asr/coq,ppedrot/coq,Matafou/coq,Ptival/coq,ejgallego/coq,gares/coq,coq/coq,ppedrot/coq,coq/coq,shindere/coq,gares/coq,shindere/coq,jhjourdan/coq,Lionel-Rieg/coq,maximedenes/coq,ejgallego/coq,gares/coq,silene/coq,mattam82/coq,gmalecha/coq,JasonGross/coq,SkySkimmer/coq,maximedenes/coq,coq/coq,TheTypoMaster/coq,Matafou/coq,mattam82/coq,Zimmi48/coq,Lionel-Rieg/coq,gares/coq,barras/coq,pirapira/coq2rust,aspiwack/coq,SkySkimmer/coq,Zimmi48/coq,silene/coq,pirbo/coq,letouzey/coq-wip,amintimany/coq,letouzey/coq-wip,pirbo/coq,Zimmi48/coq,silene/coq,coq/coq,Matafou/coq,maximedenes/coq,jpdeplaix/coq,SkySkimmer/coq,jhjourdan/coq,ale-f/coq,herbelin/github-coq,asr/coq,Ptival/coq,Ptival/coq,TheTypoMaster/coq,8l/coq,amintimany/coq,ale-f/coq,gares/coq,Lionel-Rieg/coq,pirbo/coq,SkySkimmer/coq,amintimany/coq,barras/coq,william-lawvere/coq,jpdeplaix/coq,TheTypoMaster/coq,pirapira/coq2rust,8l/coq,JasonGross/coq,mlasson/coq,aspiwack/coq,ale-f/coq,ejgallego/coq,TOSPIO/coq,8l/coq,maximedenes/coq