diff --git a/gfan-permissive.patch b/gfan-permissive.patch
index 1f630ef..ea5bc61 100644
--- a/gfan-permissive.patch
+++ b/gfan-permissive.patch
@@ -1,6 +1,6 @@
-diff -up gfan0.5/app_main.cpp.orig gfan0.5/app_main.cpp
---- gfan0.5/app_main.cpp.orig	2012-07-05 12:10:18.377378026 -0400
-+++ gfan0.5/app_main.cpp	2012-07-05 12:10:24.414378093 -0400
+diff -up app_main.cpp.orig app_main.cpp
+--- app_main.cpp.orig	2012-07-05 12:10:18.377378026 -0400
++++ app_main.cpp	2012-07-05 12:10:24.414378093 -0400
 @@ -76,14 +76,6 @@ public:
  
    int main()
diff --git a/gfan.spec b/gfan.spec
index 22d5ea3..f64ab76 100644
--- a/gfan.spec
+++ b/gfan.spec
@@ -13,13 +13,14 @@ Patch1:         %{name}-format.patch
 # Sent upstream 2011 Apr 27.  Fix warnings that could indicate runtime
 # problems.
 Patch2:         %{name}-warning.patch
-# Treate plain "gfan" call as "gfan_bases" call (as done in previous versions)
-# instead of priting warning telling to call it as "gfan_bases" and exiting
+# Treat plain "gfan" call as "gfan_bases" call (as done in previous versions)
+# instead of warning that "gfan_bases" should be called and exiting
 Patch3:         %{name}-permissive.patch
 
 BuildRequires:  cddlib-devel
 BuildRequires:  gmp-devel
 
+Suggests:       TOPCOM
 
 %description
 The software computes all marked reduced Gröbner bases of an ideal.
@@ -43,7 +44,7 @@ Gfan examples and documentation files.
 %patch0
 %patch1
 %patch2
-%patch3 -p1
+%patch3
 
 # manual is non-free
 rm -rf doc
@@ -77,7 +78,7 @@ rm -f homepage/Makefile
 %build
 # Linking with RPM_LD_FLAGS fails because -z now breaks cddlib's aliasing
 make %{?_smp_mflags} \
-  OPTFLAGS="%{optflags} -DGMPRATIONAL -I/usr/include/cddlib" \
+  OPTFLAGS="%{optflags} -DGMPRATIONAL -I/usr/include/cddlib -std=gnu++98" \
   PREFIX=%{_prefix} \
   SOPLEX_LINKOPTIONS="-Wl,-z,relro"