Support pkg-config

bindings/c/CMakeLists.txt

@@ -93,6 +93,11 @@ fdb_install(
   DESTINATION lib
   DESTINATION_SUFFIX "/cmake/${targets_export_name}"
   COMPONENT clients)
+fdb_configure_and_install(
+  FILE "${PROJECT_SOURCE_DIR}/cmake/foundationdb-client.pc.in"
+  DESTINATION lib
+  DESTINATION_SUFFIX "/pkgconfig"
+  COMPONENT clients)
 fdb_install(
   EXPORT ${targets_export_name}
   DESTINATION lib

cmake/InstallLayout.cmake

@@ -122,6 +122,27 @@ set(install_destination_for_data_el6 "var/lib/foundationdb")
 set(install_destination_for_data_el7 "var/lib/foundationdb")
 set(install_destination_for_data_pm "")
 
+set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
+function(fdb_configure_and_install)
+  if(NOT WIN32 AND NOT OPEN_FOR_IDE)
+    set(one_value_options COMPONENT DESTINATION FILE DESTINATION_SUFFIX)
+    cmake_parse_arguments(IN "${options}" "${one_value_options}" "${multi_value_options}" "${ARGN}")
+    foreach(package tgz deb el6 el7 pm)
+      set(INCLUDE_DIR "${install_destination_for_include_${package}}")
+      set(LIB_DIR "${install_destination_for_lib_${package}}")
+      set(install_path "${install_destination_for_${IN_DESTINATION}_${package}}")
+      string(REGEX REPLACE "\.in$" "" name "${IN_FILE}")
+      get_filename_component(name "${name}" NAME)
+      set(generated_file_name "${generated_dir}/${package}/${name}")
+      configure_file("${IN_FILE}" "${generated_file_name}" @ONLY)
+      install(
+        FILES "${generated_file_name}"
+        DESTINATION "${install_path}${IN_DESTINATION_SUFFIX}"
+        COMPONENT "${IN_COMPONENT}-${package}")
+    endforeach()
+  endif()
+endfunction()
+
 function(fdb_install)
   if(NOT WIN32 AND NOT OPEN_FOR_IDE)
     set(one_value_options COMPONENT DESTINATION EXPORT DESTINATION_SUFFIX)

cmake/foundationdb-client.pc.in

@@ -0,0 +1,6 @@
+Name: foundationdb-client
+Description: FoundationDB c client
+Version: @PROJECT_VERSION@
+
+Libs: -L/@LIB_DIR@ -lfdb_c
+Cflags: -I/@INCLUDE_DIR@