From faa2f10e3a9fcb6ff1567041a8f2642b6de9a22c Mon Sep 17 00:00:00 2001
From: mutouyun <orz@orzz.org>
Date: Mon, 12 Jul 2021 22:26:58 +0800
Subject: [PATCH] target_include_directories

---
 CMakeLists.txt     |  3 +--
 src/CMakeLists.txt | 13 +++++--------
 2 files changed, 6 insertions(+), 10 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 56a6fac..677f495 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,14 +4,13 @@ project(cpp-ipc)
 option(LIBIPC_BUILD_TESTS "Build all of libipc's own tests." OFF)
 option(LIBIPC_BUILD_DEMOS "Build all of libipc's own demos." OFF)
 
+set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -DNDEBUG")
 if(NOT MSVC)
   set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2")
 endif()
 
-include_directories(${CMAKE_SOURCE_DIR}/include)
-
 set(LIBRARY_OUTPUT_PATH    ${CMAKE_BINARY_DIR}/bin)
 set(EXECUTABLE_OUTPUT_PATH ${CMAKE_BINARY_DIR}/bin)
 set(LIBIPC_PROJECT_DIR     ${PROJECT_SOURCE_DIR})
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 143f9de..48ee436 100755
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -2,14 +2,6 @@ project(ipc)
 
 option(LIBIPC_BUILD_SHARED_LIBS "Build shared libraries (DLLs)." OFF)
 
-if(NOT MSVC)
-  add_compile_options(-fPIC)
-endif()
-
-include_directories(
-    ${LIBIPC_PROJECT_DIR}/include 
-    ${LIBIPC_PROJECT_DIR}/src)
-
 if(UNIX)
   file(GLOB SRC_FILES ${LIBIPC_PROJECT_DIR}/src/libipc/platform/*_linux.cpp)
 else()
@@ -37,6 +29,11 @@ else()
   add_library(${PROJECT_NAME} STATIC ${SRC_FILES} ${HEAD_FILES})
 endif()
 
+target_include_directories(${PROJECT_NAME}
+  PUBLIC  ${LIBIPC_PROJECT_DIR}/include
+  PRIVATE ${LIBIPC_PROJECT_DIR}/src
+)
+
 if(NOT MSVC)
   target_link_libraries(${PROJECT_NAME} PUBLIC
     pthread