diff --minimal -Nru curl-7.74.0/debian/changelog curl-7.74.0/debian/changelog
--- curl-7.74.0/debian/changelog	2021-06-25 20:59:54.000000000 +0200
+++ curl-7.74.0/debian/changelog	2021-11-28 06:38:09.000000000 +0100
@@ -1,3 +1,10 @@
+curl (7.74.0-1.3+deb11u1) bullseye; urgency=medium
+
+  * Non-maintainer upload.
+  * Also remove -ffile-prefix-map from curl-config. (Closes: #990128)
+
+ -- Helmut Grohne <helmut@subdivi.de>  Sun, 28 Nov 2021 06:38:09 +0100
+
 curl (7.74.0-1.3) unstable; urgency=medium
 
   * Non-maintainer upload.
diff --minimal -Nru curl-7.74.0/debian/rules curl-7.74.0/debian/rules
--- curl-7.74.0/debian/rules	2021-06-25 20:59:54.000000000 +0200
+++ curl-7.74.0/debian/rules	2021-11-28 06:37:57.000000000 +0100
@@ -101,11 +101,13 @@
 # 3. Likewise, replace the architecture name used for --build (and
 #    build_alias) with a literal backquoted call to dpkg-architecture.
 # 4. In --configure output, remove
-#    -fdebug-prefix-map=/buildd/specific/random/path=.
+#    -fdebug-prefix-map=/buildd/specific/random/path=. and
+#    -ffile-prefix-map=/buildd/specific/random/path=.
 	sed -e "/-lcurl /s|`krb5-config --libs gssapi`|\`krb5-config --libs gssapi\`|" \
 	    -e "/--prefix/s|/$(DEB_HOST_MULTIARCH)'|/'\\\\\`dpkg-architecture -qDEB_HOST_MULTIARCH\\\\\`|g" \
 	    -e "/--prefix/s|=$(DEB_BUILD_GNU_TYPE)'|='\\\\\`dpkg-architecture -qDEB_BUILD_GNU_TYPE\\\\\`|g" \
 	    -e "/-fdebug-prefix-map=/s|\(-fdebug-prefix-map=\)/[^ ]*=.||" \
+	    -e "/-ffile-prefix-map=/s|\(-ffile-prefix-map=\)/[^ ]*=.||" \
 	    -i `find . -name curl-config`
 
 override_dh_installchangelogs: