diff -up pfstools-1.7.0/src/fileformat/Makefile.am-old pfstools-1.7.0/src/fileformat/Makefile.am
--- pfstools-1.7.0/src/fileformat/Makefile.am-old	2009-01-02 13:17:32.000000000 -0800
+++ pfstools-1.7.0/src/fileformat/Makefile.am	2009-01-02 13:18:14.000000000 -0800
@@ -96,6 +96,7 @@ endif
 
 if GDAL_SUPPORT
 pfsingdal_SOURCES = pfsingdal.cpp
+pfsingdal_CXXFLAGS = $(shell /usr/bin/gdal-config --cflags)
 pfsingdal_LDADD = $(GDAL_LIBS)
 endif
 
diff -up pfstools-1.7.0/src/fileformat/pfsingdal.cpp-old pfstools-1.7.0/src/fileformat/pfsingdal.cpp