Michal Marek wrote:
> On 2014-09-22 23:53, Alexis Berlemont wrote:
> > In the scripts/Makefile.build, use KCONFIG_AUTOCONFIG to include a
> > custom path for the "auto.conf" file.
> >
> > The "*conf" programs were modified so as to work with the environment
> > variable KCONFIG_AUTOCONFIG.
> > ---
> > scripts/Makefile.build | 3 ++-
> > scripts/kconfig/confdata.c | 27 ++++++++++++++++++++++++++-
> > scripts/kconfig/lkc.h | 1 +
> > 3 files changed, 29 insertions(+), 2 deletions(-)
> >
> > diff --git a/scripts/Makefile.build b/scripts/Makefile.build
> > index bf3e677..ef60769 100644
> > --- a/scripts/Makefile.build
> > +++ b/scripts/Makefile.build
> > @@ -31,7 +31,8 @@ subdir-asflags-y :=
> > subdir-ccflags-y :=
> >
> > # Read auto.conf if it exists, otherwise ignore
> > --include include/config/auto.conf
> > +kconfig-autoconfig := $(if
> > $(KCONFIG_AUTOCONFIG),$(KCONFIG_AUTOCONFIG),include/config/auto.conf)
> > +-include $(kconfig-autoconfig)
> >
> > include scripts/Kbuild.include
> >
> > diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
> > index f88d90f..d4d8920 100644
> > --- a/scripts/kconfig/confdata.c
> > +++ b/scripts/kconfig/confdata.c
> > @@ -75,6 +75,27 @@ const char *conf_get_autoconfig_name(void)
> > return name ? name : "include/config/auto.conf";
> > }
> >
> > +#define PATH_MAXLENGTH 4096
> > +const char *conf_get_autoconfigdep_name(void)
> > +{
> > + static char res_value[PATH_MAXLENGTH];
> > +
> > + char *name = getenv("KCONFIG_AUTOCONFIG");
> > +
> > + if (name == NULL)
> > + name = "include/config/auto.conf.cmd";
>
> This will result in "include/config/auto.conf.cmd.cmd". Better simplify
> it to name = conf_get_autoconfig_name().
>
Sorry for such a terrible mistake. I broke everything just to make
kconfig work for perf...
>
> > + if (strlen(name) > PATH_MAXLENGTH - 5)
> > + name = NULL;
> > + else {
> > + res_value[0] = 0;
>
> This assignment is superfluous.
OK.
>
>
> > + strncpy(res_value, name, PATH_MAXLENGTH);
> > + strcat(res_value, ".cmd");
> > + name = res_value;
>
> Michal
>
Alexis
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