Create pkg-config files (#19)

* Try export package * Add and install pkg config file * Find pkg config executable
aica-technology · Nov 25, 2022 · acba2e8 · acba2e8
1 parent f6edb64
commit acba2e8
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Showing 3 changed files with 37 additions and 5 deletions.
diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
@@ -1,5 +1,7 @@
 cmake_minimum_required(VERSION 3.15)
-project(network_interfaces VERSION 1.1.0)
+
+set (NETWORK_INTERFACES_VERSION 1.1.0)
+project(network_interfaces VERSION ${NETWORK_INTERFACES_VERSION})
 
 option(BUILD_TESTING "Build tests." OFF)
 
@@ -23,12 +25,22 @@ else()
     find_package(GTest QUIET)
 endif()
 
+macro(add_project_dependency)
+ find_package(${ARGV})
+ if(PKG_EXTERNAL_DEPS)
+   set(PKG_EXTERNAL_DEPS "${PKG_EXTERNAL_DEPS}, ${ARGV0} >= ${ARGV1}")
+ else()
+   set(PKG_EXTERNAL_DEPS "${ARGV0} >= ${ARGV1}")
+ endif()
+endmacro()
+
 include(GNUInstallDirs)
 include(CMakePackageConfigHelpers)
+include(FindPkgConfig)
 
-find_package(control_libraries 6.0.0 REQUIRED COMPONENTS state_representation)
-find_package(clproto 6.0.0 REQUIRED)
-find_package(cppzmq 4.7.1 REQUIRED)
+add_project_dependency(control_libraries 6.0.0 REQUIRED COMPONENTS state_representation)
+add_project_dependency(clproto 6.0.0 REQUIRED)
+add_project_dependency(cppzmq 4.7.1 REQUIRED)
 
 include_directories(include)
 
@@ -60,7 +72,7 @@ write_basic_package_version_file(
 )
 
 # create config file
-configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/Config.cmake.in
+configure_package_config_file(${CMAKE_CURRENT_SOURCE_DIR}/network_interfaces-config.cmake.in
   "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}Config.cmake"
   INSTALL_DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
 )
@@ -71,3 +83,14 @@ install(FILES
   "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake"
   DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/${PROJECT_NAME}
 )
+
+if(${PKG_CONFIG_FOUND})
+  set(PKG_NAME ${PROJECT_NAME})
+  set(PKG_DESC "Network Interfaces")
+  set(pkg_conf_file "network_interfaces.pc")
+  configure_file("${pkg_conf_file}.in" "${CMAKE_BINARY_DIR}/${pkg_conf_file}" @ONLY)
+  install(FILES "${CMAKE_BINARY_DIR}/${pkg_conf_file}"
+    DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig/ COMPONENT pkgconfig)
+else()
+  message(WARNING "Could not find pkg-config executable, skipping generation of pkg-config files.")
+endif()
diff --git a/cpp/Config.cmake.in → cpp/network_interfaces-config.cmake.in b/cpp/Config.cmake.in → cpp/network_interfaces-config.cmake.in
diff --git a/cpp/network_interfaces.pc.in b/cpp/network_interfaces.pc.in
@@ -0,0 +1,9 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+includedir=@CMAKE_INSTALL_FULL_INCLUDEDIR@
+
+Name: @PKG_NAME@
+Description: @PKG_DESC@
+Version: @NETWORK_INTERFACES_VERSION@
+Requires: @PKG_EXTERNAL_DEPS@
+Cflags: -I${includedir}