[PATCH] scripts: imx: pass semicolons as substitute chars to compiler macros for CSF templating
Sascha Hauer
s.hauer at pengutronix.de
Thu Jan 16 02:01:24 PST 2025
On Fri, Jan 10, 2025 at 05:18:51PM +0100, Bastian Krause wrote:
> Hi Sascha,
>
> On 1/10/25 12:31 PM, Sascha Hauer wrote:
> > On Mon, Jan 06, 2025 at 12:33:40PM +0100, Bastian Krause wrote:
> > > With CONFIG_HAB_CERTS_ENV=y, paths and PKCS#11 URIs to the HAB
> > > certificates are taken from environment variables (allowing for better
> > > integration with build systems). In this case these values are passed
> > > internally via compiler macros (-D) to the imx-image host tool. PKCS#11
> > > URIs usually contain semicolons. Semicolons, however, cannot be passed
> > > via compiler macros and cannot be escaped.
> >
> > Try harder.
> >
> > gcc -DFOO='"bar;baz"' test.c
> >
> > #include <stdio.h>
> >
> > int main(void)
> > {
> > printf(FOO);
> > }
> >
> > Works as expected, so does it work when you add single quotes around the
> > URI?
>
> This actually works:
>
> --- a/scripts/Makefile.lib
> +++ b/scripts/Makefile.lib
> @@ -570,8 +570,8 @@ imxcfg_cpp_flags = -Wp,-MD,$(depfile) -nostdinc -x
> assembler-with-cpp \
> $(call overwrite-hab-env,CONFIG_HABV3_CSF_CRT_DER) \
> $(call overwrite-hab-env,CONFIG_HABV3_IMG_CRT_DER) \
> $(call overwrite-hab-env,CONFIG_HABV4_TABLE_BIN) \
> - $(call overwrite-hab-env,CONFIG_HABV4_CSF_CRT_PEM) \
> - $(call overwrite-hab-env,CONFIG_HABV4_IMG_CRT_PEM) \
> + -DCONFIG_HABV4_CSF_CRT_PEM='"$(CONFIG_HABV4_CSF_CRT_PEM)"' \
> + -DCONFIG_HABV4_IMG_CRT_PEM='"$(CONFIG_HABV4_IMG_CRT_PEM)"' \
> $(call overwrite-fit-env,CONFIG_BOOTM_FITIMAGE_PUBKEY) \
>
> dcd-tmp = $(subst $(comma),_,$(dot-target).dcd.tmp)
>
>
> But I had no luck integrating the single quote approach in overwrite-
> hab-env. Maybe my quoting/escaping fu is not strong enough. Could you
> take a look?
Took some time, but it should work now. See the patch I just sent.
Sascha
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