diff -Nru doxygen-1.8.13/debian/changelog doxygen-1.8.13/debian/changelog
--- doxygen-1.8.13/debian/changelog	2018-03-12 08:22:14.000000000 +0000
+++ doxygen-1.8.13/debian/changelog	2018-09-05 06:25:23.000000000 +0000
@@ -1,3 +1,9 @@
+doxygen (1.8.13-10ubuntu1) cosmic; urgency=medium
+
+  * Build using LLVM 7.0.
+
+ -- Matthias Klose <doko@ubuntu.com>  Wed, 05 Sep 2018 08:25:23 +0200
+
 doxygen (1.8.13-10) unstable; urgency=medium
 
   * Orphan the package. See: #888580.
diff -Nru doxygen-1.8.13/debian/control doxygen-1.8.13/debian/control
--- doxygen-1.8.13/debian/control	2018-03-12 08:22:14.000000000 +0000
+++ doxygen-1.8.13/debian/control	2018-09-05 06:25:23.000000000 +0000
@@ -11,8 +11,8 @@
   libxapian-dev (>= 1.2.21-1.2),
   cmake,
   yui-compressor,
-  llvm-6.0-dev [alpha amd64 armel armhf arm64 i386 mips mipsel mips64el powerpc powerpcspe ppc64 ppc64el s390x sparc64],
-  libclang-6.0-dev [alpha amd64 armel armhf arm64 i386 mips mipsel mips64el powerpc powerpcspe ppc64 ppc64el s390x sparc64],
+  llvm-7-dev [alpha amd64 armel armhf arm64 i386 mips mipsel mips64el powerpc powerpcspe ppc64 ppc64el s390x sparc64],
+  libclang-7-dev [alpha amd64 armel armhf arm64 i386 mips mipsel mips64el powerpc powerpcspe ppc64 ppc64el s390x sparc64],
   sassc,
 Build-Depends-Indep: texlive-fonts-recommended,
   texlive-generic-recommended,
diff -Nru doxygen-1.8.13/debian/rules doxygen-1.8.13/debian/rules
--- doxygen-1.8.13/debian/rules	2018-03-12 08:22:14.000000000 +0000
+++ doxygen-1.8.13/debian/rules	2018-09-05 06:25:23.000000000 +0000
@@ -18,7 +18,7 @@
 DEB_HOST_ARCH ?= $(shell dpkg-architecture -qDEB_HOST_ARCH)
 DEB_HOST_MULTIARCH ?= $(shell dpkg-architecture -qDEB_HOST_MULTIARCH)
 
-export LLVM_CONFIG = llvm-config-6.0
+export LLVM_CONFIG = llvm-config-7
 
 clang_archs = alpha amd64 armel armhf arm64 i386 mips mipsel mips64el \
 	powerpc powerpcspe ppc64 ppc64el s390x sparc64 \