【C/C++】Win10 vs2017 编译libevent类库

# 官方网站：https://libevent.org/
# 百度百科：https://baike.baidu.com/item/libevent/2492112?fr=aladdin

# win10 x64
# visual studio 2017
# perl 5.24.3.2404
# nasm 2.13.03
# zlib 1.2.11
# openssl 1.1.1
# libevent 2.1.8

@echo "zlib build start"


set VS2017="E:\Visual Studio 2017\VC\Auxiliary\Build\vcvarsamd64_x86.bat"
set OUT="G:\C++\libevent\out\vs2017_32\zlib"
call %VS2017%
cd zlib-1.2.11


nmake f win32\Makefile.msc clean
nmake f win32\Makefile.msc


md %OUT%\lib
md %OUT%\bin
md %OUT%\include


copy Y *.lib %OUT%\lib
copy Y *.h %OUT%\include
copy Y *.dll %OUT%\bin
copy Y *.exe %OUT%\bin


@echo "zlib build successed"
pause

@echo "openssl build start"


set VS2017="E:\Visual Studio 2017\VC\Auxiliary\Build\vcvarsamd64_x86.bat"
set OUT="G:\C++\libevent\out\vs2017_32\openssl"
call %VS2017%


cd G:\C++\libevent\openssl-1.1.1
G:
perl Configure VC-WIN32 --prefix=%OUT%


nmake clean
nmake
nmake install


@echo "openssl build successed"
pause

# (1)libevent编译
nmake /f Makefile.nmake OPENSSL_DIR=G:\C++\libevent\out\vs2017_32\openssl
# 错误
正在生成代码...
        cl I.. I../WIN32-Code I../WIN32-Code/nmake I../include /I../compat /DHAVE_CONFIG_H /DTINYTEST_LOCAL /IG:\C++\libevent\out\vs2017_32\openssl\include /DEVENT__HAVE_OPENSSL /Ox /W3 /wd4996 /nologo ..\libevent.lib ws2_32.lib shell32.lib advapi32.lib ..\libevent_openssl.lib G:\C++\libevent\out\vs2017_32\openssl\lib\libeay32.lib G:\C++\libevent\out\vs2017_32\openssl\lib\ssleay32.lib gdi32.lib User32.lib regress.obj regress_buffer.obj regress_http.obj regress_dns.obj  regress_testutils.obj  regress_rpc.obj regress.gen.obj  regress_et.obj regress_bufferevent.obj  regress_listener.obj regress_util.obj tinytest.obj  regress_main.obj regress_minheap.obj regress_iocp.obj  regress_thread.obj regress_finalize.obj regress_ssl.obj
LINK : fatal error LNK1181: 无法打开输入文件“G:\C++\libevent\out\vs2017_32\openssl\lib\libeay32.lib”
NMAKE : fatal error U1077: “"E:\Visual Studio 2017\VC\Tools\MSVC\14.16.27023\bin\HostX64\x86\cl.EXE"”: 返回代码“0x2”
Stop.
NMAKE : fatal error U1077: “"E:\Visual Studio 2017\VC\Tools\MSVC\14.16.27023\bin\HostX64\x64\nmake.exe"”: 返回代码“0x2”
Stop.


# 原因：libevent-master\test\Makefile.nmake $(SSL_LIBS)属性引用了已移除的openssl类库
# 修改：修改Makefile.nmake $(SSL_LIBS)属性为编译好的openssl类库，如下
SSL_LIBS=..\libevent_openssl.lib $(OPENSSL_DIR)\lib\libeay32.lib $(OPENSSL_DIR)\lib\ssleay32.lib gdi32.lib User32.lib
=>
SSL_LIBS=..\libevent_openssl.lib $(OPENSSL_DIR)\lib\libcrypto.lib $(OPENSSL_DIR)\lib\libssl.lib gdi32.lib User32.lib


# (2)添加zlib支持
# Makefile.name添加zlib编译
REGRESS_OBJS=regress.obj regress_buffer.obj regress_http.obj regress_dns.obj \
  regress_testutils.obj \
        regress_rpc.obj regress.gen.obj \
  regress_et.obj regress_bufferevent.obj \
  regress_listener.obj regress_util.obj tinytest.obj \
  regress_main.obj regress_minheap.obj regress_iocp.obj \
  regress_thread.obj regress_finalize.obj $(SSL_OBJS)
=>
REGRESS_OBJS=regress.obj regress_buffer.obj regress_http.obj regress_dns.obj \
  regress_testutils.obj \
        regress_rpc.obj regress.gen.obj \
  regress_et.obj regress_bufferevent.obj \
  regress_listener.obj regress_util.obj tinytest.obj \
  regress_main.obj regress_minheap.obj regress_iocp.obj \
  regress_thread.obj regress_finalize.obj $(SSL_OBJS) regress_zlib.obj
# Makefile.name添加zlib include
CFLAGS=/I.. /I../WIN32-Code /I../WIN32-Code/nmake /I../include /I../compat /DHAVE_CONFIG_H /DTINYTEST_LOCAL $(SSL_CFLAGS)
=>
CFLAGS=/I.. /I../zlib/include /I../WIN32-Code /I../WIN32-Code/nmake /I../include /I../compat /DHAVE_CONFIG_H /DTINYTEST_LOCAL $(SSL_CFLAGS)
# Makefile.name添加zlib lib
LIBS=..\libevent.lib ws2_32.lib shell32.lib advapi32.lib
=>
LIBS=..\libevent.lib ws2_32.lib shell32.lib advapi32.lib ..\zlib\lib\zdll.lib
# WIN32-Code\nmake\event2\event-config.h添加zlib宏定义
#define EVENT__HAVE_LIBZ
# 清理nmake环境重新编译
nmake /f Makefile.nmake clean
nmake /f Makefile.nmake OPENSSL_DIR=G:\C++\libevent\out\vs2017_32\openssl
# 测试 test\regress > test.log
bufferevent/bufferevent_zlib: [forking] OK

@echo "libevent build start"


set VS2017="E:\Visual Studio 2017\VC\Auxiliary\Build\vcvarsamd64_x86.bat"
set OUT="G:\C++\libevent\out\vs2017_32\libevent"
call %VS2017%
cd libevent-master


nmake /f Makefile.nmake clean
nmake /f Makefile.nmake OPENSSL_DIR=G:\C++\libevent\out\vs2017_32\openssl


md %OUT%\lib
md %OUT%\bin
md %OUT%\include


copy /Y *.lib %OUT%\lib
xcopy /S/Y include %OUT%\include
xcopy /S/Y WIN32-Code\nmake %OUT%\include
copy /Y *.dll %OUT%\bin
copy /Y *.exe %OUT%\bin


@echo "libevent build successed"
pause

#include <event2/event.h>
#include <iostream>


int main()
{
#ifdef _WIN32
  WSADATA wsa;
  WSAStartup(MAKEWORD(2,2), &wsa);
#endif


    std::cout << "Hello libevent!\n";
  event_base * base = event_base_new();
  if (base) {
    std::cout << "libevent环境正常" << std::endl;
  }
  return 0;
}