tried to fix differences in linking pthreads on different freebsd versions, eventually there is more to do on other platforms

pdftk/pdftk.spec

@@ -33,8 +33,8 @@ Distribution: OpenPKG
 Class:        EVAL
 Group:        Text
 License:      GPL
-Version:      1.10
-Release:      20041031
+Version:      1.11
+Release:      20041104
 
 #   list of sources
 Source0:      http://www.pdfhacks.com/pdftk/pdftk-%{version}.tar.gz
@@ -71,10 +71,19 @@ AutoReqProv:  no
 %build
     cd pdftk
     export CLASSPATH="`echo %{l_prefix}/share/gcc/libgcj*.jar`:."
-    %{l_shtool} subst \
-         -e 's;^\(CPPFLAGS=.*\)$;\1 %{l_cppflags gcc};' \
-         -e 's;^\(CXXFLAGS=.*\)$;\1 -lpthread;' \
-         Makefile.Generic
+    case "%{l_platform -t}" in
+        *-freebsd4* )
+            %{l_shtool} subst \
+                 -e 's;^\(CPPFLAGS=.*\)$;\1 -pthread %{l_cppflags gcc};' \
+                 Makefile.Generic
+            ;;
+        * )
+            %{l_shtool} subst \
+                 -e 's;^\(CPPFLAGS=.*\)$;\1 %{l_cppflags gcc};' \
+                 -e 's;^\(CXXFLAGS=.*\)$;\1 -lpthread;' \
+                 Makefile.Generic
+            ;;
+    esac
     %{l_make} %{l_mflags} -f Makefile.Generic
 
 %install