From 7954599ae4a4bdedde11136f0eaf0c22ff97f868 Mon Sep 17 00:00:00 2001
From: Yi Zhang <zhangyiss@icloud.com>
Date: Fri, 6 Aug 2021 15:31:54 +0800
Subject: [PATCH] update cmakelists

---
 src/CMakeLists.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index b283ba1..9063c12 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -3,6 +3,7 @@ aux_source_directory(lib TRILIB_SRC)
 # 设置编译选项
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O2")
 
+
 # 以下部分为库的编译
 # 注意目标名必须唯一 所以不能直接生成相同名称的动态库与静态库
 # 注意此处不必为目标名称添加lib前缀和相应后缀，cmake会自行添加
@@ -45,6 +46,10 @@ set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)
 add_executable(triangle ${TRILIB_SRC})
 # 命令行工具安装命令
 install(TARGETS triangle RUNTIME DESTINATION sbin)
+# 对于Linux系统需要连接数学库-lm
+if(${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Linux")
+	target_link_libraries(triangle PUBLIC m)
+endif()
 
 # 设定源文件文件夹
 aux_source_directory(tool SHOWME_SRC)