[Buildroot] [PATCH] package/util-linux: Add option for enabling wipefs

* [Buildroot] [PATCH] package/util-linux: Add option for enabling wipefs
@ 2019-10-18  3:30 sam.voss at gmail.com
  2019-10-18 14:05 ` Carlos Santos
  2019-10-19 19:00 ` Arnout Vandecappelle
  0 siblings, 2 replies; 6+ messages in thread
From: sam.voss at gmail.com @ 2019-10-18  3:30 UTC (permalink / raw)
  To: buildroot

From: Sam Voss <sam.voss@gmail.com>

Add option to enable wipefs as a standalone app, so that it may be
enabled when the flag --disable-all-packages is set.

Signed-off-by: Sam Voss <sam.voss@gmail.com>
---
 ...w-explicit-wipefs-enable-disablement.patch | 33 +++++++++++++++++++
 package/util-linux/Config.in                  | 11 +++++++
 package/util-linux/util-linux.mk              |  1 +
 3 files changed, 45 insertions(+)
 create mode 100644 package/util-linux/0001-Allow-explicit-wipefs-enable-disablement.patch

diff --git a/package/util-linux/0001-Allow-explicit-wipefs-enable-disablement.patch b/package/util-linux/0001-Allow-explicit-wipefs-enable-disablement.patch
new file mode 100644
index 0000000000..85021e2978
--- /dev/null
+++ b/package/util-linux/0001-Allow-explicit-wipefs-enable-disablement.patch
@@ -0,0 +1,33 @@
+From a76cd5f6abace269b60ef6f1b95526a2d09fd331 Mon Sep 17 00:00:00 2001
+From: Sam Voss <sam.voss@gmail.com>
+Date: Mon, 14 Oct 2019 21:19:16 -0500
+Subject: [PATCH] wipefs: Allow explicitly enable/disablement
+
+Currently if `--disable-all-packages` is set, there is no configure
+option for re-enabling `wipefs`.
+
+As the current default for `wipefs` is "enabled", add `--disable-` flag
+to maintain backward compatibility.
+
+Signed-off-by: Sam Voss <sam.voss@gmail.com>
+---
+ configure.ac | 6 +++++-
+ 1 file changed, 5 insertions(+), 1 deletion(-)
+
+diff --git a/configure.ac b/configure.ac
+index fc8a9507f..f70f8d1ee 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -1286,7 +1286,11 @@ UL_BUILD_INIT([findfs], [check])
+ UL_REQUIRES_BUILD([findfs], [libblkid])
+ AM_CONDITIONAL([BUILD_FINDFS], [test "x$build_findfs" = xyes])
+ 
+-UL_BUILD_INIT([wipefs], [check])
++AC_ARG_ENABLE([wipefs],
++  AS_HELP_STRING([--disable-wipefs], [do not build wipefs]),
++  [], [UL_DEFAULT_ENABLE([wipefs], [check])]
++)
++UL_BUILD_INIT([wipefs])
+ UL_REQUIRES_BUILD([wipefs], [libblkid])
+ UL_REQUIRES_BUILD([wipefs], [libsmartcols])
+ AM_CONDITIONAL([BUILD_WIPEFS], [test "x$build_wipefs" = xyes])
diff --git a/package/util-linux/Config.in b/package/util-linux/Config.in
index 39eb2c03a0..3c64a19d84 100644
--- a/package/util-linux/Config.in
+++ b/package/util-linux/Config.in
@@ -407,6 +407,17 @@ config BR2_PACKAGE_UTIL_LINUX_WALL
 	help
 	  Send a message to everybody's terminal
 
+config BR2_PACKAGE_UTIL_LINUX_WIPEFS
+	bool "wipefs"
+	select BR2_PACKAGE_UTIL_LINUX_LIBBLKID
+	select BR2_PACKAGE_UTIL_LINUX_LIBSMARTCOLS
+	help
+	  wipefs can erase filesystem, raid or partition-table
+	  signatures (magic strings) from the specified device
+	  to make the signatures invisible for libblkid. wipefs
+	  does not erase the filesystem itself nor any other data
+	  from the device.
+
 config BR2_PACKAGE_UTIL_LINUX_WDCTL
 	bool "wdctl"
 	depends on BR2_USE_MMU # libsmartcols
diff --git a/package/util-linux/util-linux.mk b/package/util-linux/util-linux.mk
index ecc3ab62de..0374420b58 100644
--- a/package/util-linux/util-linux.mk
+++ b/package/util-linux/util-linux.mk
@@ -153,6 +153,7 @@ UTIL_LINUX_CONF_OPTS += \
 	$(if $(BR2_PACKAGE_UTIL_LINUX_VIPW),--enable-vipw,--disable-vipw) \
 	$(if $(BR2_PACKAGE_UTIL_LINUX_WALL),--enable-wall,--disable-wall) \
 	$(if $(BR2_PACKAGE_UTIL_LINUX_WDCTL),--enable-wdctl,--disable-wdctl) \
+	$(if $(BR2_PACKAGE_UTIL_LINUX_WIPEFS),--enable-wipefs,--disable-wipefs) \
 	$(if $(BR2_PACKAGE_UTIL_LINUX_WRITE),--enable-write,--disable-write) \
 	$(if $(BR2_PACKAGE_UTIL_LINUX_ZRAMCTL),--enable-zramctl,--disable-zramctl)
 
-- 
2.23.0

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