diff --git a/dbus-1-devel-doc.spec b/dbus-1-devel-doc.spec
index 5d81c9c..16992b8 100644
--- a/dbus-1-devel-doc.spec
+++ b/dbus-1-devel-doc.spec
@@ -61,9 +61,12 @@ bus daemon).
 
 %build
 echo 'HTML_TIMESTAMP=NO' >> Doxyfile.in
-# Skip generation of API doc manpages we do not ship
-echo 'GENERATE_MAN=NO' >> Doxyfile.in
-
+# We use -fpie/-pie for the whole build; this is the recommended way to harden
+# the build upstream, see discussion in fdo#46570
+export CFLAGS="%{optflags} -fno-strict-aliasing -fPIC -fpie"
+export LDFLAGS="-pie"
+export CXXFLAGS="%{optflags} -fno-strict-aliasing"
+export V=1
 %configure \
     --disable-static \
     --libexecdir=%{_libexecdir}/dbus-1 \
diff --git a/dbus-1-x11.spec b/dbus-1-x11.spec
index 4105648..5f6e233 100644
--- a/dbus-1-x11.spec
+++ b/dbus-1-x11.spec
@@ -67,7 +67,6 @@ in this separate package so server systems need not install X.
 
 %build
 echo 'HTML_TIMESTAMP=NO' >> Doxyfile.in
-autoreconf -fi
 # We use -fpie/-pie for the whole build; this is the recommended way to harden
 # the build upstream, see discussion in fdo#46570
 export CFLAGS="%{optflags} -fno-strict-aliasing -fPIC -fpie"