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authorNicholas Chin <nic.c3.14@gmail.com>2022-11-23 10:18:32 -0700
committerMartin L Roth <gaumless@gmail.com>2023-01-15 17:59:39 +0000
commit8ef2f7c77cfc04805861cd36a28d710afb53dfd7 (patch)
tree32bdbfa95a790783eec1a2f3048af930f9c8e608
parent6e902bcfcb90e6017abd059ad7df51814d9a80da (diff)
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util/kconfig: Add comment explaining difference from upstream
coreboot adds a patch on top of upstream Kconfig which allows the generated Kconfig dependency files to be placed in a separate directory than the autoconfig files based on the KCONFIG_SPLITCONFIG variable. Add a comment to explain this difference. Change-Id: Ief38ab84f852ff24f896ec8bbf094aa737a172d9 Signed-off-by: Nicholas Chin <nic.c3.14@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/69952 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Fred Reitberger <reitbergerfred@gmail.com> Reviewed-by: Paul Menzel <paulepanter@mailbox.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Martin L Roth <gaumless@gmail.com>
-rw-r--r--util/kconfig/confdata.c5
-rw-r--r--util/kconfig/patches/0014-util-kconfig-Move-Kconfig-deps-back-into-build-confi.patch7
2 files changed, 11 insertions, 1 deletions
diff --git a/util/kconfig/confdata.c b/util/kconfig/confdata.c
index 3da9e8b38d2b..1300ab674fa0 100644
--- a/util/kconfig/confdata.c
+++ b/util/kconfig/confdata.c
@@ -1035,6 +1035,11 @@ static int conf_touch_deps(void)
struct symbol *sym;
int res, i;
+ /*
+ * Upstream Kconfig sets depfile_path based on the directory
+ * prefix of the autoconfig path, but coreboot overrides this
+ * using the KCONFIG_SPLITCONFIG environment variable
+ */
strcpy(depfile_path, conf_get_autobase_name());
depfile_prefix_len = strlen(depfile_path);
diff --git a/util/kconfig/patches/0014-util-kconfig-Move-Kconfig-deps-back-into-build-confi.patch b/util/kconfig/patches/0014-util-kconfig-Move-Kconfig-deps-back-into-build-confi.patch
index b4db86ea5b6d..869adefc407b 100644
--- a/util/kconfig/patches/0014-util-kconfig-Move-Kconfig-deps-back-into-build-confi.patch
+++ b/util/kconfig/patches/0014-util-kconfig-Move-Kconfig-deps-back-into-build-confi.patch
@@ -35,7 +35,7 @@ Index: kconfig/confdata.c
static int conf_set_sym_val(struct symbol *sym, int def, int def_flags, char *p)
{
char *p2;
-@@ -1024,19 +1031,14 @@ static int conf_write_autoconf_cmd(const
+@@ -1024,19 +1031,19 @@ static int conf_write_autoconf_cmd(const
static int conf_touch_deps(void)
{
@@ -52,6 +52,11 @@ Index: kconfig/confdata.c
-
- strncpy(depfile_path, name, depfile_prefix_len);
- depfile_path[depfile_prefix_len] = 0;
++ /*
++ * Upstream Kconfig sets depfile_path based on the directory
++ * prefix of the autoconfig path, but coreboot overrides this
++ * using the KCONFIG_SPLITCONFIG environment variable
++ */
+ strcpy(depfile_path, conf_get_autobase_name());
+ depfile_prefix_len = strlen(depfile_path);