Re: [PATCH] virkeymaps.h: Fix VPATH build with --disable-dependency-tracking

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On Tue, Nov 03, 2015 at 10:55:31AM +0100, Peter Krempa wrote:
On Tue, Nov 03, 2015 at 10:40:50 +0100, Peter Krempa wrote:
On Tue, Nov 03, 2015 at 09:08:04 +0100, Michal Privoznik wrote:
> Funny things happen when you try to do a VPATH build and pass
> --disable-dependency-tracking argument to the configure script.
> Not only the directory structure is not created at the end of
> configure phase, but also contradictory to others, virkeymaps.h

Maybe that's the actual problem.


[...]

>
>  src/Makefile.am | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/src/Makefile.am b/src/Makefile.am
> index 99b4993..f98912f 100644
> --- a/src/Makefile.am
> +++ b/src/Makefile.am
> @@ -181,7 +181,7 @@ MAINTAINERCLEANFILES += util/virkeymaps.h
>  util/virkeymaps.h: $(srcdir)/util/keymaps.csv	\
>  		$(srcdir)/util/virkeycode-mapgen.py
>  	$(AM_V_GEN)$(PYTHON) $(srcdir)/util/virkeycode-mapgen.py \
> -	  <$(srcdir)/util/keymaps.csv >util/virkeymaps.h
> +	  <$(srcdir)/util/keymaps.csv >$(srcdir)/util/virkeymaps.h

A proper fix will be something along:

diff --git a/src/Makefile.am b/src/Makefile.am
index 99b4993..db0ca54 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1056,6 +1056,7 @@ libvirt_util_la_LIBADD = $(CAPNG_LIBS) $(YAJL_LIBS) $(LIBNL_LIBS) \
               $(LIB_CLOCK_GETTIME) $(DBUS_LIBS) $(MSCOM_LIBS) $(LIBXML_LIBS) \
               $(SECDRIVER_LIBS) $(NUMACTL_LIBS) $(SYSTEMD_DAEMON_LIBS) \
               $(POLKIT_LIBS)
+libvirt_util_DEPENDENCIES = util/keymaps.h


Do you mean libvirt_util_la_DEPENDECIES?  Why wouldn't it be in the
dependencies when it is in the SOURCES?  Although if that works for
you, then I'm OK with that as well.

Anyway, I don't see how that would create the directory in builddir.
As I already said, I am OK with both reverting my patch that moves the
generated file from srcdir to builddir (which is the right thing to
do, but we generate *so* much stuff into srcdir already that it
doesn't make much sense unless it's all fixed together), or just
putting '$(MKDIR_P) util/' before the generation of virkeymaps.h.
That fixes it as well.


noinst_LTLIBRARIES += libvirt_conf.la

That fixes the symptom for me.

Peter




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