https://www.illumos.org/issues/7266

--- /dev/null
+++ yelp-42.2/libyelp/yelp-manpath
@@ -0,0 +1,37 @@
+#!/usr/bin/sh
+
+PATH=/usr/bin
+
+function usage {
+   printf "Usage:\n";
+   printf "$0 -w [section] name\n"
+}
+
+if [ "$1" != "-w" -o $# -gt 3 -o $# -lt 2 ] ; then 
+  usage
+  exit
+fi
+
+if [ $# -eq 3 ] ; then
+  section=$2
+  name=$3
+else 
+  section=
+  name=$2
+fi
+
+# If section is set, we need man page from this section.
+# if it is not set, show first one
+man -l "$name" | \
+while read str ; do
+  manpath="`echo $str |cut -d \   -f 3`"
+  mansection="`echo $str |cut -d \(  -f 2 | cut -d \) -f 1`"
+  fullpath="$manpath/man$mansection/$name.$mansection"
+  if [ -z "$section" ]; then 
+     echo "$fullpath"
+     break
+  elif [ "$section" = "$mansection" ]; then
+     echo "$fullpath"
+     break
+  fi
+done 
--- yelp-42.2/libyelp/yelp-uri.c.orig
+++ yelp-42.2/libyelp/yelp-uri.c
@@ -950,7 +950,7 @@
 static gchar*
 find_man_path (gchar* name, gchar* section)
 {
-    const gchar* argv[] = { "man", "-w", NULL, NULL, NULL };
+    const gchar* argv[] = { LIBEXECDIR "/yelp-manpath" , "-w", NULL, NULL, NULL };
     gchar **my_argv;
     gchar *ystdout = NULL;
     gint status;
--- yelp-42.2/Makefile.am.orig
+++ yelp-42.2/Makefile.am
@@ -7,7 +7,7 @@
 
 lib_LTLIBRARIES = libyelp/libyelp.la
 
-libexec_SCRIPTS = libyelp/yelp-groff
+libexec_SCRIPTS = libyelp/yelp-groff libyelp/yelp-manpath
 
 libyelp_libyelp_la_SOURCES = \
 	libyelp/yelp-bookmarks.c \
@@ -147,6 +147,7 @@
 	$(YELP_EXTENSION_CFLAGS)
 
 libyelp_web_extension_libyelpwebextension_la_CPPFLAGS = \
+	-DLIBEXECDIR=\"$(libexecdir)\" \
 	-DDATADIR=\""$(datadir)"\" \
 	-DYELP_ICON_PATH=\"$(YELP_ICON_PATH)\" \
 	-I$(top_srcdir)/libyelp