Add a pkgconfig file to the install

CMakeLists.txt

@@ -12,6 +12,12 @@ include(GNUInstallDirs)
 set(mod_name "${CMAKE_PROJECT_NAME}_\
 ${CMAKE_PROJECT_VERSION_MAJOR}_${CMAKE_PROJECT_VERSION_MINOR}")
 
+configure_file(
+  ${CMAKE_SOURCE_DIR}/${CMAKE_PROJECT_NAME}.pc.cmake
+  ${CMAKE_BINARY_DIR}/${CMAKE_PROJECT_NAME}.pc
+  @ONLY
+)
+
 # Create static and shared libraries.
 set(static_lib ${CMAKE_PROJECT_NAME}_static)
 set(shared_lib ${CMAKE_PROJECT_NAME}_shared)
@@ -49,3 +55,7 @@ install(
   RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
   PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_INCLUDEDIR}
 )
+install(
+  FILES ${CMAKE_BINARY_DIR}/${CMAKE_PROJECT_NAME}.pc
+  DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig
+)

bmif.pc.cmake

@@ -0,0 +1,11 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: bmi-fortran
+Description: The Basic Model Interface for Fortran
+URL: https://bmi.readthedocs.io
+Version: @CMAKE_PROJECT_VERSION_MAJOR@.@CMAKE_PROJECT_VERSION_MINOR@
+Libs: -L${libdir} -l@CMAKE_PROJECT_NAME@
+Cflags: -I${includedir}