From dedfce3ccf6a5606a378e1c7a1bd934fedeb6955 Mon Sep 17 00:00:00 2001
From: Igor Pashev <pashev.igor@gmail.com>
Date: Tue, 8 Nov 2022 21:34:45 +0200
Subject: Update CMakeLists.txt

---
 CMakeLists.txt | 77 ++++++++++++++++++++++++++++++++++++----------------------
 1 file changed, 48 insertions(+), 29 deletions(-)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index eaaf6b0..62ad616 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,29 +1,48 @@
-CMAKE_MINIMUM_REQUIRED(VERSION 3.0)
-PROJECT(FileSender)
-
-INCLUDE(CheckIncludeFiles)
-CHECK_INCLUDE_FILES(sys/sendfile.h HAVE_SYS_SENDFILE_H)
-
-IF(HAVE_SYS_SENDFILE_H)
-  ADD_COMPILE_DEFINITIONS(HAVE_SYS_SENDFILE_H)
-ENDIF(HAVE_SYS_SENDFILE_H)
-
-INCLUDE(CheckFunctionExists)
-CHECK_FUNCTION_EXISTS(sendfile HAVE_SENDFILE)
-IF(HAVE_SENDFILE)
-  ADD_COMPILE_DEFINITIONS(HAVE_SENDFILE)
-ENDIF(HAVE_SENDFILE)
-
-CHECK_FUNCTION_EXISTS(socket HAVE_SOCKET)
-IF(NOT HAVE_SOCKET)
-  CHECK_LIBRARY_EXISTS(socket socket "" HAVE_SOCKET)
-ENDIF(NOT HAVE_SOCKET)
-
-INCLUDE(CheckStructHasMember)
-CHECK_STRUCT_HAS_MEMBER("struct sf_hdtr" hdr_cnt sys/socket.h HAVE_STRUCT_SF_HDTR_HDR_CNT)
-IF(HAVE_STRUCT_SF_HDTR_HDR_CNT)
-  ADD_COMPILE_DEFINITIONS(HAVE_STRUCT_SF_HDTR_HDR_CNT)
-ENDIF(HAVE_STRUCT_SF_HDTR_HDR_CNT)
-
-ADD_EXECUTABLE(server server.c utils.c utils.h)
-ADD_EXECUTABLE(client client.c utils.c utils.h)
+cmake_minimum_required(VERSION 3.1)
+cmake_policy(SET CMP0054 NEW)
+
+project(FileSender)
+
+include(CheckFunctionExists)
+include(CheckIncludeFiles)
+include(CheckLibraryExists)
+include(CheckStructHasMember)
+
+macro(CMAKE_SEARCH_LIBS v_func v_lib func)
+  check_function_exists(${func} ${v_func})
+  if(NOT ${v_func})
+    foreach(lib ${ARGN})
+      check_library_exists(${lib} ${func} "" HAVE_${func}_IN_${lib})
+      if(HAVE_${func}_IN_${lib})
+        set(${v_func} TRUE)
+        set(${v_lib} "${lib}" CACHE INTERNAL "Library providing ${func}")
+        break()
+      endif()
+    endforeach()
+  endif()
+endmacro()
+
+
+check_include_files(sys/sendfile.h HAVE_SYS_SENDFILE_H)
+if(HAVE_SYS_SENDFILE_H)
+  add_compile_definitions(HAVE_SYS_SENDFILE_H)
+endif()
+
+cmake_search_libs(HAVE_SENDFILE SENDFILE_LIB sendfile sendfile)
+cmake_search_libs(HAVE_SOCKET SOCKET_LIB socket socket)
+
+if(HAVE_SENDFILE)
+  add_compile_definitions(HAVE_SENDFILE)
+endif()
+
+check_struct_has_member("struct sf_hdtr" hdr_cnt sys/socket.h HAVE_STRUCT_SF_HDTR_HDR_CNT)
+if(HAVE_STRUCT_SF_HDTR_HDR_CNT)
+  add_compile_definitions(HAVE_STRUCT_SF_HDTR_HDR_CNT)
+endif()
+
+add_executable(server server.c utils.c utils.h)
+target_link_libraries(server ${SOCKET_LIB})
+
+add_executable(client client.c utils.c utils.h)
+target_link_libraries(client ${SOCKET_LIB} ${SENDFILE_LIB})
+
-- 
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