From d7f7e9ce0f584a2e507b386196f79f3be99fc7d5 Mon Sep 17 00:00:00 2001
From: taynpg <taynpg@163.com>
Date: Sun, 10 Mar 2024 20:56:35 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0cmake=E6=9F=A5=E6=89=BE?=
 =?UTF-8?q?=E5=8D=95=E5=BA=93?=
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---
 cpp/cmake.txt | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/cpp/cmake.txt b/cpp/cmake.txt
index 21ecad0..bce9840 100644
--- a/cpp/cmake.txt
+++ b/cpp/cmake.txt
@@ -283,3 +283,30 @@ Test project /Users/Farmer/gitee/cmake-template/cmake-build
 在CMake 3.20往后的版本中，ctest可以使用--test-dir指定测试执行目录。
 
 至此，一个较为完备的CMakeLists.txt就开发完成了。
+
+如果是没有cmake的库，可以这样写：
+include_directories(${OPENCV4_ROOT}/include)
+set(LIBDIR ${OPENCV4_ROOT}/x64/vc15/lib)
+find_library(OPENCV4LIB 
+    opencv_core481 
+    opencv_imgproc481 
+    opencv_highgui481 
+    ${OPENCV4_ROOT}/x64/vc15/lib
+)
+MESSAGE(STATUS "OPENCV4LIB: ${OPENCV4LIB}")
+add_executable(useopencv4 main.cpp)
+target_link_libraries(useopencv4 PRIVATE 
+    debug 
+    ${LIBDIR}/opencv_core481d.lib 
+    ${LIBDIR}/opencv_imgcodecs481d.lib 
+    ${LIBDIR}/opencv_highgui481d.lib 
+)
+target_link_libraries(useopencv4 PRIVATE 
+    optimized 
+    ${LIBDIR}/opencv_core481.lib 
+    ${LIBDIR}/opencv_imgcodecs481.lib 
+    ${LIBDIR}/opencv_highgui481.lib 
+)
+其中可以使用find_library
+find_library(SDL2MAIN SDL2main ${SDL2_DIR}/lib)
+不过貌似只能单个找寻。