diff -Nru inkscape-1.2.2/debian/changelog inkscape-1.2.2/debian/changelog
--- inkscape-1.2.2/debian/changelog	2023-09-06 04:09:36.000000000 +0800
+++ inkscape-1.2.2/debian/changelog	2023-09-16 14:43:10.000000000 +0800
@@ -1,3 +1,11 @@
+inkscape (1.2.2-2ubuntu4) mantic; urgency=medium
+
+  * use -fexcess-precision=fast to compile 2geom. (LP: #2036181)
+    Since gcc-13, excess precision support has been implemented for C++.
+    -fexcess-precision=fast restores previous behavior.
+
+ -- Shengjing Zhu <shengjing.zhu@canonical.com>  Sat, 16 Sep 2023 14:43:10 +0800
+
 inkscape (1.2.2-2ubuntu3) mantic; urgency=medium
 
   * Add patch to specify Deja Vu Sans font to fix lpetest
diff -Nru inkscape-1.2.2/debian/patches/series inkscape-1.2.2/debian/patches/series
--- inkscape-1.2.2/debian/patches/series	2023-09-06 04:09:36.000000000 +0800
+++ inkscape-1.2.2/debian/patches/series	2023-09-16 14:43:10.000000000 +0800
@@ -9,3 +9,4 @@
 skip-test-glyph-big-endian.patch
 skip-test-use.patch
 Fix-LPE-test-sensitivity-to-system-fonts-list.patch
+use-fexcess-precision-fast-to-compile-2geom.patch
diff -Nru inkscape-1.2.2/debian/patches/use-fexcess-precision-fast-to-compile-2geom.patch inkscape-1.2.2/debian/patches/use-fexcess-precision-fast-to-compile-2geom.patch
--- inkscape-1.2.2/debian/patches/use-fexcess-precision-fast-to-compile-2geom.patch	1970-01-01 08:00:00.000000000 +0800
+++ inkscape-1.2.2/debian/patches/use-fexcess-precision-fast-to-compile-2geom.patch	2023-09-16 14:43:10.000000000 +0800
@@ -0,0 +1,27 @@
+From: Shengjing Zhu <shengjing.zhu@canonical.com>
+Date: Sat, 16 Sep 2023 14:42:22 +0800
+Subject: use -fexcess-precision=fast to compile 2geom
+
+Since gcc-13, excess precision support has been implemented for C++.
+-fexcess-precision=fast restores previous behavior.
+
+Ubuntu-Bug: https://launchpad.net/bugs/2036181
+---
+ src/3rdparty/2geom/CMakeLists.txt | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/src/3rdparty/2geom/CMakeLists.txt b/src/3rdparty/2geom/CMakeLists.txt
+index d2b06b9..987e004 100644
+--- a/src/3rdparty/2geom/CMakeLists.txt
++++ b/src/3rdparty/2geom/CMakeLists.txt
+@@ -77,6 +77,10 @@ endif()
+ add_compile_options(-Wall -Wformat-security -Woverloaded-virtual -Wpointer-arith -Werror=return-type)
+ add_compile_options(-O2)
+ 
++if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 13)
++    add_compile_options(-fexcess-precision=fast)
++endif()
++
+ # suppress the very annoying "#pragma ms_struct" Clang warning, caused by -mms-bitfield required for GTK
+ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+     if(WIN32)