[source] f2fs-tools: drop patch in favour of CONFIGURE_VARS

[LEDE Commits]

stintel pushed a commit to source.git, branch lede-17.01:
https://git.lede-project.org/707a4b459d2a05f309691166c6f1fc4f6e58a6c8

commit 707a4b459d2a05f309691166c6f1fc4f6e58a6c8
Author: Stijn Tintel <stijn at linux-ipv6.be>
AuthorDate: Thu Aug 24 09:23:32 2017 +0300

    f2fs-tools: drop patch in favour of CONFIGURE_VARS
    
    Override the failing check in configure with CONFIGURE_VARS instead of
    carrying a patch that's unlikely to be accepted by upstream.
    
    Signed-off-by: Stijn Tintel <stijn at linux-ipv6.be>
    Acked-by: John Crispin <john at phrozen.org>
    (cherry picked from commit d87f27af54e7c122c8f320f7266dd5061bb47a8b)
---
 package/utils/f2fs-tools/Makefile                  |  3 +++
 package/utils/f2fs-tools/patches/001-compile.patch | 19 -------------------
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/package/utils/f2fs-tools/Makefile b/package/utils/f2fs-tools/Makefile
index 4ef751a..5cef40a 100644
--- a/package/utils/f2fs-tools/Makefile
+++ b/package/utils/f2fs-tools/Makefile
@@ -59,6 +59,9 @@ endef
 CONFIGURE_ARGS += \
 	--without-selinux
 
+CONFIGURE_VARS += \
+	ac_cv_file__git=no
+
 define Package/libf2fs/install
 	$(INSTALL_DIR) $(1)/usr/lib
 	$(CP) \
diff --git a/package/utils/f2fs-tools/patches/001-compile.patch b/package/utils/f2fs-tools/patches/001-compile.patch
deleted file mode 100644
index 2ff6ee8..0000000
--- a/package/utils/f2fs-tools/patches/001-compile.patch
+++ /dev/null
@@ -1,19 +0,0 @@
---- a/configure.ac
-+++ b/configure.ac
-@@ -20,14 +20,9 @@ AC_DEFINE([F2FS_MINOR_VERSION], m4_bpats
- 				[\([0-9]*\).\([0-9]*\)\(\w\|\W\)*], [\2]),
- 				[Minor version for f2fs-tools])
- 
--AC_CHECK_FILE(.git,
--	AC_DEFINE([F2FS_TOOLS_DATE],
--		"m4_bpatsubst(f2fs_tools_gitdate,
--		[\([0-9-]*\)\(\w\|\W\)*], [\1])",
--		[f2fs-tools date based on Git commits]),
--	AC_DEFINE([F2FS_TOOLS_DATE],
-+AC_DEFINE([F2FS_TOOLS_DATE],
- 		"f2fs_tools_date",
--		[f2fs-tools date based on Source releases]))
-+		[f2fs-tools date based on Source releases])
- 
- AC_CONFIG_SRCDIR([config.h.in])
- AC_CONFIG_HEADER([config.h])