--- CCfits/configure.ac	2015-12-30 21:52:59.000000000 +0100
+++ CCfits/configure.ac	2017-09-11 10:08:01.924873280 +0200
@@ -34,7 +34,7 @@ dnl Get the path to the standard C++ library
 PFK_CXX_LIB_PATH
 
 dnl Turn on -Wall if compiling with gcc
-AC_COMPILE_WARNINGS
+#AC_COMPILE_WARNINGS
 
 dnl Turn on -ansi if compiling with gcc
 #AC_COMPILE_ANSI
@@ -51,7 +45,7 @@
 
 dnl check where the cfitsio library and include files are at.
 dnl NOTE: do this before checking sstream, else it fails.
-AC_CHECK_PACKAGE(cfitsio, ffpss, cfitsio, fitsio.h, 
+PKG_CHECK_MODULES(cfitsio, [cfitsio], 
    AC_MSG_RESULT([cfitsio found.]), 
    AC_MSG_ERROR([cfitsio NOT found]) )
 
--- CCfits/Makefile.am.underlinking	2017-09-11 10:26:26.528789345 +0200
+++ CCfits/Makefile.am	2017-09-11 10:26:14.225879472 +0200
@@ -63,7 +63,7 @@
 
 # This will tell shared library which STD C++ library to use without
 # needing the user to use LD_LIBRARY_PATH environment variable
-libCCfits_la_LIBADD = $(LIBSTDCPP)
+libCCfits_la_LIBADD = $(LIBSTDCPP) $(cfitsio_LIBS)
 
 libCCfits_ladir = $(pkgincludedir)