e2fsprogs: fix compilation with musl 1.2.4

musl 1.2.4 deprecated legacy "LFS64" ("large file support") interfaces and
autotools failed to check the lseek64 function.

Force enable ac_cv_func_lseek64 to workaround it.

Signed-off-by: Tianling Shen <[email protected]>

package/utils/e2fsprogs/Makefile

@@ -9,7 +9,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=e2fsprogs
 PKG_VERSION:=1.47.0
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@KERNEL/linux/kernel/people/tytso/e2fsprogs/v$(PKG_VERSION)/
@@ -156,6 +156,10 @@ CONFIGURE_ARGS += \
 	--disable-rpath		\
 	--disable-fuse2fs
 
+ifneq ($(CONFIG_USE_MUSL),)
+  CONFIGURE_VARS += ac_cv_func_lseek64=yes
+endif
+
 define Build/Prepare
 	$(call Build/Prepare/Default)
 	$(CP) $(SCRIPT_DIR)/config.{guess,sub} $(PKG_BUILD_DIR)/config/