env: allow people to force envcrc building
For people who want to manually extract the embedded environment so that
it can be manually packed into the final u-boot image, add a config opt
to force building of the envcrc tool.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/tools/envcrc.c b/tools/envcrc.c
index c8c50d7..feebbab 100644
--- a/tools/envcrc.c
+++ b/tools/envcrc.c
@@ -60,6 +60,10 @@
# endif
#endif /* CONFIG_ENV_IS_IN_FLASH */
+#if defined(ENV_IS_EMBEDDED) && !defined(CONFIG_BUILD_ENVCRC)
+# define CONFIG_BUILD_ENVCRC 1
+#endif
+
#ifdef CONFIG_SYS_REDUNDAND_ENVIRONMENT
# define ENV_HEADER_SIZE (sizeof(uint32_t) + 1)
#else
@@ -71,14 +75,14 @@
extern uint32_t crc32 (uint32_t, const unsigned char *, unsigned int);
-#ifdef ENV_IS_EMBEDDED
+#ifdef CONFIG_BUILD_ENVCRC
extern unsigned int env_size;
extern unsigned char environment;
-#endif /* ENV_IS_EMBEDDED */
+#endif /* CONFIG_BUILD_ENVCRC */
int main (int argc, char **argv)
{
-#ifdef ENV_IS_EMBEDDED
+#ifdef CONFIG_BUILD_ENVCRC
unsigned char pad = 0x00;
uint32_t crc;
unsigned char *envptr = &environment,