diff --git a/debian/changelog b/debian/changelog
index 4c3e85d..79dd11e 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+wasi-libc (0.0~git20200731.215adc8-1~exp1) UNRELEASED; urgency=medium
+
+  * New upstream version needed by rustc 1.47.0.
+
+ -- Ximin Luo <infinity0@debian.org>  Fri, 04 Sep 2020 17:28:30 +0100
+
 wasi-libc (0.0~git20200319.9efc2f4-2) unstable; urgency=medium
 
   * Update to LLVM 10.
diff --git a/debian/patches/dont-rebuild-install.patch b/debian/patches/dont-rebuild-install.patch
index 40be564..1b8c45f 100644
--- a/debian/patches/dont-rebuild-install.patch
+++ b/debian/patches/dont-rebuild-install.patch
@@ -1,15 +1,15 @@
 --- a/Makefile
 +++ b/Makefile
-@@ -408,6 +408,8 @@
+@@ -399,6 +399,8 @@
  	# Remove selected header files.
  	$(RM) $(patsubst %,$(SYSROOT_INC)/%,$(MUSL_OMIT_HEADERS))
  
 +	touch $@
 +
- ifeq ($(BUILD_LIBC_BOTTOM_HALF),no)
- override CRT_SOURCES = $(BASICS_CRT_SOURCES)
- else
-@@ -424,12 +426,16 @@
+ startup_files: include_dirs
+ 	#
+ 	# Build the startup files.
+@@ -409,6 +411,8 @@
  	mkdir -p "$(SYSROOT_LIB)" && \
  	mv *.o "$(SYSROOT_LIB)"
  
@@ -18,29 +18,28 @@
  libc: include_dirs \
      $(SYSROOT_LIB)/libc.a \
      $(SYSROOT_LIB)/libc-printscan-long-double.a \
-     $(SYSROOT_LIB)/libc-printscan-no-floating-point.a \
-     $(SYSROOT_LIB)/libwasi-emulated-mman.a
+@@ -416,6 +420,8 @@
+     $(SYSROOT_LIB)/libwasi-emulated-mman.a \
+     $(SYSROOT_LIB)/libwasi-emulated-signal.a
  
 +	touch $@
 +
  finish: startup_files libc
  	#
  	# Create empty placeholder libraries.
-@@ -500,6 +506,7 @@
+@@ -500,9 +506,14 @@
  	#
  	# The build succeeded! The generated sysroot is in $(SYSROOT).
  	#
 +	touch $@
  
- check: finish
- 	# Check that the computed metadata matches the expected metadata.
-@@ -510,4 +517,8 @@
+ install: finish
  	mkdir -p "$(INSTALL_DIR)"
  	cp -r "$(SYSROOT)/lib" "$(SYSROOT)/share" "$(SYSROOT)/include" "$(INSTALL_DIR)"
  
--.PHONY: default startup_files libc finish check install include_dirs
+-.PHONY: default startup_files libc finish install include_dirs
 +clean:
 +	rm -f include_dirs startup_files libc finish
 +	rm -rf build sysroot
 +
-+.PHONY: default check install
++.PHONY: default install
diff --git a/debian/source/lintian-overrides b/debian/source/lintian-overrides
new file mode 100644
index 0000000..d4bbec9
--- /dev/null
+++ b/debian/source/lintian-overrides
@@ -0,0 +1 @@
+wasi-libc source: globbing-patterns-out-of-order * *