* doc/gen-examples-outputs-mk: Split generated rules in two so that they produce a timestamp that outputs (and soon generated figures) depend on. --- milena/ChangeLog | 8 ++++++ milena/doc/gen-examples-outputs-mk | 48 +++++++++++++++++++++++++++-------- 2 files changed, 45 insertions(+), 11 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index 9f7f28b..536253c 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,13 @@ 2010-03-17 Roland Levillain &lt;roland(a)lrde.epita.fr&gt; + Prepare for the generation of multiple outputs from doc/ programs. + + * doc/gen-examples-outputs-mk: Split generated rules in two so + that they produce a timestamp that outputs (and soon generated + figures) depend on. + +2010-03-17 Roland Levillain &lt;roland(a)lrde.epita.fr&gt; + Generate doc/examples-outputs.mk using sources in lieu of programs. * doc/gen-examples-outputs-mk: Take sources as input instead of diff --git a/milena/doc/gen-examples-outputs-mk b/milena/doc/gen-examples-outputs-mk index 2580072..440d960 100755 --- a/milena/doc/gen-examples-outputs-mk +++ b/milena/doc/gen-examples-outputs-mk @@ -24,22 +24,48 @@ test $# -ne 0 || { echo "usage: $me SOURCES..."; exit 1; } cat<<EOF ## Generated by $me. Do not edit by hand. - EOF for source; do - program=`basename "$source" .cc` - # Have outputs depend on sources rather than programs, and recompile - # the latter to regen the former only when needed. This way, we can - # ship generated outputs without forcing the user of the + base=`basename "$source" .cc` + source_dir=`dirname "$source"` + timestamp="\$(srcdir)/$source_dir/$base.stamp" + # FIXME: Programs of which sources are located in a subdirectory of + # examples/ take the path as prefix of their name. This is a pain. + # It'd be much simpler to have all sources in the same directory. + canonical_name=`echo "$source" \ + | sed -e 's,examples/,,' \ + -e 'y,/,_,' \ + -e 's,\.cc$,,'` + program="$canonical_name\$(EXEEXT)" + output="\$(srcdir)/outputs/$canonical_name.txt" + + # Programs generate a textual output, and possibly one or several + # images (as a ``side effect''). Use a timestamp to keep track of + # these multiple outputs. + # + # Also, have outputs depend on sources rather than programs, and + # recompile the latter to regen the former only when needed. This + # way, we can ship generated outputs without forcing the user of the # distribution to recompile the programs. cat<<EOF -\$(srcdir)/outputs/$program.txt: $source - rm -f \$@.tmp - \$(MAKE) \$(AM_MAKEFLAGS) $program\$(EXEEXT) - ./\$< >\$@.tmp - cp -f \$@.tmp \$@ - rm -f \$@.tmp + +$timestamp: $source + @rm -f \$@.tmp + @touch \$@.tmp + \$(MAKE) \$(AM_MAKEFLAGS) $program + ./$program >$output.tmp + mv $output.tmp $output + @mv -f \$@.tmp \$@ +EXTRA_DIST += $timestamp +MAINTAINERCLEANFILES += $timestamp + +$output: $timestamp +## Recover from the removal of \$@ + @if test -f \$@; then :; else \\ + rm -f \$<; \\ + \$(MAKE) \$(AM_MAKEFLAGS) \$<; \\ + fi EOF done -- 1.5.6.5