feat: add pkg-config find libs

CMakeLists.txt

@@ -599,6 +599,30 @@ configure_package_config_file(
   PATH_VARS CMAKE_INSTALL_INCLUDEDIR CMAKE_INSTALL_LIBDIR CIVETWEB_ENABLE_CXX
 )
 
+configure_file(
+  cmake/${PROJECT_NAME}.pc.in
+  ${PROJECT_BINARY_DIR}/${PROJECT_NAME}.pc
+  @ONLY
+)
+
+configure_file(
+  cmake/${PROJECT_NAME}-cpp.pc.in
+  ${PROJECT_BINARY_DIR}/${PROJECT_NAME}-cpp.pc
+  @ONLY
+)
+
+install(
+  FILES 
+    "${PROJECT_BINARY_DIR}/${PROJECT_NAME}.pc"
+    DESTINATION "${CMAKE_INSTALL_DATADIR}/pkgconfig"
+)
+
+install(
+  FILES 
+    "${PROJECT_BINARY_DIR}/${PROJECT_NAME}-cpp.pc"
+    DESTINATION "${CMAKE_INSTALL_DATADIR}/pkgconfig"
+)
+
 write_basic_package_version_file(${PROJECT_NAME}-config-version.cmake
   VERSION ${CIVETWEB_VERSION}
   COMPATIBILITY AnyNewerVersion

cmake/civetweb-cpp.pc.in

@@ -0,0 +1,12 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
+libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
+
+Name: @PROJECT_NAME@-cpp
+Description: generic graph library
+Version: @PROJECT_VERSION@
+Requires:
+Libs: -L${libdir} -l@PROJECT_NAME@-cpp
+Cflags: -I${includedir}
+

cmake/civetweb.pc.in

@@ -0,0 +1,13 @@
+prefix=@CMAKE_INSTALL_PREFIX@
+exec_prefix=${prefix}
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
+libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
+
+Name: @PROJECT_NAME@
+Description: generic graph library
+Version: @PROJECT_VERSION@
+Requires:
+Libs: -L${libdir} -l@PROJECT_NAME@
+Cflags: -I${includedir}
+
+