update on cmakelists

CMakeLists.txt

@@ -1,12 +1,12 @@
 cmake_minimum_required(VERSION 3.15.2)
 # 设置cxx编译器
 # 如果你使用别的编译器，请在这里修改
-set(CMAKE_C_COMPILER /usr/local/bin/gcc-9)
-set(CMAKE_CXX_COMPILER /usr/local/bin/g++-9)
+#set(CMAKE_C_COMPILER /usr/local/bin/gcc-9)
+#set(CMAKE_CXX_COMPILER /usr/local/bin/g++-9)
 # 设置工程名称和语言
 project(LIBLBFGS VERSION 1.1.0)
 # 设置安装地址 改用homebrew安装后这一句就不需要了
-# set(CMAKE_INSTALL_PREFIX /usr/local)
+set(CMAKE_INSTALL_PREFIX /usr/local)
 # 添加编译选项
 option(HAVE_CONFIG_H "use config.h" ON)
 option(_MSC_VER "use __msc_ver" OFF)