diff -Nru pmix-4.0.0/debian/changelog pmix-4.0.0/debian/changelog
--- pmix-4.0.0/debian/changelog	2021-01-20 17:30:05.000000000 +0000
+++ pmix-4.0.0/debian/changelog	2021-01-22 20:23:31.000000000 +0000
@@ -1,3 +1,9 @@
+pmix (4.0.0-4ubuntu1) hirsute; urgency=medium
+
+  * Don't build manpages on i386.
+
+ -- Matthias Klose <doko@ubuntu.com>  Fri, 22 Jan 2021 21:23:31 +0100
+
 pmix (4.0.0-4) unstable; urgency=medium
 
   * Add Breaks: libopenmpi3 (<< 4.1.0-3) to libpmix2 to get necessary
diff -Nru pmix-4.0.0/debian/control pmix-4.0.0/debian/control
--- pmix-4.0.0/debian/control	2021-01-20 17:30:05.000000000 +0000
+++ pmix-4.0.0/debian/control	2021-01-22 20:23:31.000000000 +0000
@@ -8,7 +8,7 @@
  python3-all-dev,
  cython3,
  python3-distutils,
- pandoc,
+ pandoc [!i386],
  libpsm-infinipath1-dev [amd64 i386],
  libpsm2-dev [amd64],
  libhwloc-dev,
diff -Nru pmix-4.0.0/debian/rules pmix-4.0.0/debian/rules
--- pmix-4.0.0/debian/rules	2021-01-20 17:30:05.000000000 +0000
+++ pmix-4.0.0/debian/rules	2021-01-22 20:23:31.000000000 +0000
@@ -31,7 +31,7 @@
 	--with-jansson=/usr \
 	--with-hwloc=/usr \
 	--enable-python-bindings \
-	#--disable-man-pages
+	$(if $(filter $(DEB_HOST_ARCH), i386),--disable-man-pages)
 
 override_dh_auto_clean:
 	dh_auto_clean