added cmake directory to autotools build

Makefile.am

@@ -10,6 +10,6 @@ if BUILD_DOCS
 DOC = doc
 endif
 
-SUBDIRS = src tests examples ${DOC} scripts
+SUBDIRS = src tests examples ${DOC} scripts cmake
 
 EXTRA_DIST = CMakeLists.txt set_flags.am COPYRIGHT cmake_config.h.in

cmake/Makefile.am

@@ -0,0 +1,13 @@
+## This is the automake file for the cmake directory of the PIO
+## libraries. This directory holds files needed for the CMake build,
+## but not the autotools build.
+
+# Ed Hartnett 8/19/19
+
+# Cmake needs all these extra files to build.
+EXTRA_DIST = FindGPTL.cmake FindHDF5.cmake FindLIBRT.cmake		\
+FindLIBZ.cmake FindMPE.cmake FindMPISERIAL.cmake FindNetCDF.cmake	\
+FindPAPI.cmake FindPnetCDF.cmake FindSZIP.cmake LibCheck.cmake		\
+LibFind.cmake LibMPI.cmake Makefile.am mpiexec.alcf mpiexec.ncsa	\
+mpiexec.nersc mpiexec.nwscla mpiexec.olcf TryHDF5_HAS_SZIP.c		\
+TryNetCDF_DAP.c TryNetCDF_PARALLEL.c TryNetCDF_PNETCDF.c

configure.ac

@@ -314,4 +314,5 @@ AC_OUTPUT(Makefile
           examples/Makefile
           examples/c/Makefile
           examples/f03/Makefile
+          cmake/Makefile
           scripts/Makefile)