added CMake files

wgrib2/gctpc/CMakeLists.txt

@@ -0,0 +1,2 @@
+
+add_subdirectory(source)

wgrib2/gctpc/source/CMakeLists.txt

@@ -0,0 +1,90 @@
+
+set(src
+  alberfor.c
+  alberinv.c
+  alconfor.c
+  alconinv.c
+  azimfor.c
+  aziminv.c
+  br_gctp.c
+  cproj.c
+  eqconfor.c
+  eqconinv.c
+  equifor.c
+  equiinv.c
+  for_init.c
+  gctp.c
+  gnomfor.c
+  gnominv.c
+  goodfor.c
+  goodinv.c
+  gvnspfor.c
+  gvnspinv.c
+  hamfor.c
+  haminv.c
+  imolwfor.c
+  imolwinv.c
+  inv_init.c
+  lamazfor.c
+  lamazinv.c
+  lamccfor.c
+  lamccinv.c
+  make.com
+  merfor.c
+  merinv.c
+  millfor.c
+  millinv.c
+  molwfor.c
+  molwinv.c
+  nad1927.dat
+  nad1983.dat
+  nad27sp
+  nad83sp
+  obleqfor.c
+  obleqinv.c
+  omerfor.c
+  omerinv.c
+  orthfor.c
+  orthinv.c
+  paksz.c
+  polyfor.c
+  polyinv.c
+  psfor.c
+  psinv.c
+  report.c
+  robfor.c
+  robinv.c
+  sinfor.c
+  sininv.c
+  somfor.c
+  sominv.c
+  sphdz.c
+  sterfor.c
+  sterinv.c
+  stplnfor.c
+  stplninv.c
+  tmfor.c
+  tminv.c
+  untfz.c
+  utmfor.c
+  utminv.c
+  vandgfor.c
+  vandginv.c
+  wivfor.c
+  wivinv.c
+  wviifor.c
+  wviiinv.c
+  )
+
+add_library(gctpc OBJECT ${src})
+
+target_include_directories(gctpc PUBLIC
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
+  $<INSTALL_INTERFACE:${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_INCLUDEDIR}>)
+
+install(
+  TARGETS gctpc
+  EXPORT wgrib2_exports
+  RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+  LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})