[DTrace-devel] [PATCH] configure: add support for --(disable|enable)-dependency-tracking

[Kris Van Hees]

On Wed, Feb 18, 2026 at 12:07:09AM -0500, Kris Van Hees wrote:
> On Tue, Feb 17, 2026 at 03:44:05PM -0500, Eugene Loh wrote:
> > On 2/17/26 11:35, Kris Van Hees via DTrace-devel wrote:
> > 
> > > Signed-off-by: Kris Van Hees <kris.van.hees at oracle.com>
> > > ---
> > >   Makefunctions | 2 ++
> > >   configure     | 2 ++
> > >   2 files changed, 4 insertions(+)
> > > 
> > > diff --git a/Makefunctions b/Makefunctions
> > > index 15836dc3..1f308967 100644
> > > --- a/Makefunctions
> > > +++ b/Makefunctions
> > > @@ -52,7 +52,9 @@ endef
> > >   # Rule to build a C source file.
> > >   # Syntax: $(call cc-template,primary,filename-without-dir,optional flags)
> > > +ifndef WITHOUT_DEPENDENCIES
> > >   cc-dependencies = -MP -MMD -MF $(obj-name).deps -MT $(obj-name)
> > > +endif
> > >   define cc-template
> > >   $(obj-name): $(src-name) $(foreach dep,$($(1)_SRCDEPS),$(call src-name,$(1),$(dep))) $(foreach prov,$($(1)_PROV),$(call hdr-name,$(1),$(prov))) $(CONFIG_H)
> > > diff --git a/configure b/configure
> > > index 04c28369..fadac05e 100755
> > > --- a/configure
> > > +++ b/configure
> > > @@ -172,6 +172,8 @@ for option in "$@"; do
> > >           HAVE_VALGRIND=*) write_config_var VALGRIND "$option";;
> > >           HAVE_BPFV3=*) write_config_var BPFV3 "$option";;
> > >           HAVE_BPFMASM=*) write_config_var BPFMASM "$option";;
> > > +        --disable-dependency-tracking) write_make_var WITHOUT_DEPENDENCIES "y";;
> > > +        --enable-dependency-tracking) write_make_var WITHOUT_DEPENDENCIES "n";;
> > 
> > Maybe add these earlier/higher?  Where the other write_make_var settings
> > are?
> 
> I think it makes more sense to have them at the end because they are not
> really common options that people would use.  They are being added because
> the GNU Coding Standards require them (and having them means that distro
> build systems that expect a standard configure script can pass typical
> options without complaints).
> 
> > Also, should these options be documented?  Like in the file's help()?
> 
> I'll add them to the help.
> 
> > (Come to think of it, how about --with-libctf and --with-libfuse3? Should
> > they also appear in --help?)
> 
> Should be done in a separate patch.

Actually, this is already part of the help output, by virtue of the 
help-overrides make target.

> > >           *) echo "Unknown option $option" >&2
> > >              exit 1;;
> > >       esac