diff --git a/media-gfx/librecad/files/librecad-2.2.0-clang.patch b/media-gfx/librecad/files/librecad-2.2.0-clang.patch
new file mode 100644
index 0000000000000..73ad1d1449b23
--- /dev/null
+++ b/media-gfx/librecad/files/librecad-2.2.0-clang.patch
@@ -0,0 +1,10 @@
+--- a/librecad/src/lib/debug/rs_debug.h
++++ b/librecad/src/lib/debug/rs_debug.h
+@@ -28,6 +28,7 @@
+ #ifndef RS_DEBUG_H
+ #define RS_DEBUG_H
+ 
++#include <cstdio>
+ #include <iosfwd>
+ #ifdef __hpux
+ #include <sys/_size_t.h>
diff --git a/media-gfx/librecad/librecad-2.2.0.ebuild b/media-gfx/librecad/librecad-2.2.0.ebuild
index 092799ec110b6..9479558f5a6b3 100644
--- a/media-gfx/librecad/librecad-2.2.0.ebuild
+++ b/media-gfx/librecad/librecad-2.2.0.ebuild
@@ -40,6 +40,10 @@ BDEPEND="
 	dev-qt/linguist-tools:5
 "
 
+PATCHES=(
+	"${FILESDIR}/${P}-clang.patch"
+)
+
 src_prepare() {
 	default