--- /dev/null
+/usr/include/boost contains regex.h and regex.hpp.
+don't try to regen/touch anything in /usr/include basing on timestamps.
+
+--- source-highlight-2.10/src/lib/Makefile.am.orig 2008-06-05 20:33:03.000000000 +0200
++++ source-highlight-2.10/src/lib/Makefile.am 2008-08-29 22:20:20.000000000 +0200
+@@ -15,10 +15,7 @@
+ .text.c:
+ $(TXTC) -c $<
+
+-if NO_DOUBLECPP
+-.h.hpp:
+- touch $@
+-else
++ifndef NO_DOUBLECPP
+ .h.hpp:
+ $(DOUBLECPP) --output-source-ext cc --invade-target --input-header-ext h --output-header-ext hpp --output-source-suff=_dbtab --verbose --assume-virtual -i $<
+ touch $@
+--- source-highlight-2.10/src/lib/Makefile.in.orig 2008-07-13 16:07:01.000000000 +0200
++++ source-highlight-2.10/src/lib/Makefile.in 2008-08-29 22:20:45.000000000 +0200
+@@ -925,8 +925,6 @@
+ .text.c:
+ $(TXTC) -c $<
+
+-@NO_DOUBLECPP_TRUE@.h.hpp:
+-@NO_DOUBLECPP_TRUE@ touch $@
+ @NO_DOUBLECPP_FALSE@.h.hpp:
+ @NO_DOUBLECPP_FALSE@ $(DOUBLECPP) --output-source-ext cc --invade-target --input-header-ext h --output-header-ext hpp --output-source-suff=_dbtab --verbose --assume-virtual -i $<
+ @NO_DOUBLECPP_FALSE@ touch $@