diff --git a/libgfortran/ChangeLog b/libgfortran/ChangeLog
index 196761946617eb817d1c3c48c6c74caec23017fd..59c05eecf5911a07dd4ee1f793ae332f7e047f3d 100644
--- a/libgfortran/ChangeLog
+++ b/libgfortran/ChangeLog
@@ -1,3 +1,7 @@
+2004-12-01  Aaron W. LaFramboise  <aaronavay62@aaronwl.com>
+
+	* Makefile.am (AM_CPPFLAGS): Use -iquote instead of -I.
+
 2004-11-28  Bud Davis  <bdavis9659@comcast.net>
 
 	* io/unix.c (mmap_alloc_w_a): check for a write to a location
diff --git a/libgfortran/Makefile.am b/libgfortran/Makefile.am
index 50a3dacb1443aca95a7625b64b913ce9cbde92b7..d93b5f308b76580c0260ca832dd7d5b56e46a352 100644
--- a/libgfortran/Makefile.am
+++ b/libgfortran/Makefile.am
@@ -13,7 +13,9 @@ libgfortran_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version`
 libgfortranbegin_la_SOURCES = fmain.c
 libgfortranbegin_la_LDFLAGS = -static
 
-AM_CPPFLAGS = -I$(srcdir)/io
+## io.h conflicts with some a system header on some platforms, so
+## use -iquote
+AM_CPPFLAGS = -iquote$(srcdir)/io
 
 libgfortranincludedir = $(includedir)/gforio
 
diff --git a/libgfortran/Makefile.in b/libgfortran/Makefile.in
index b8d8c74084e52cd3bf44a5b0782a721212430379..91c326fa050f20e3e94a0bf9ce64361f972da548 100644
--- a/libgfortran/Makefile.in
+++ b/libgfortran/Makefile.in
@@ -297,7 +297,7 @@ toolexeclib_LTLIBRARIES = libgfortran.la libgfortranbegin.la
 libgfortran_la_LDFLAGS = -version-info `grep -v '^\#' $(srcdir)/libtool-version` -lm
 libgfortranbegin_la_SOURCES = fmain.c
 libgfortranbegin_la_LDFLAGS = -static
-AM_CPPFLAGS = -I$(srcdir)/io
+AM_CPPFLAGS = -iquote$(srcdir)/io
 libgfortranincludedir = $(includedir)/gforio
 gfor_io_src = \
 io/backspace.c \