执行完configure后make,报错:
make
make all-recursive
make[1]: Entering directory `/libevent-2.0.21-stable'
Making all in .
make[2]: Entering directory `/libevent-2.0.21-stable'
/bin/bash ./libtool --tag=CC --mode=compile gcc -DHAVE_CONFIG_H -I. -I./compat -I./include -I./include -g -O2 -Wall -fno-strict-aliasing -pthread -MT bufferevent_openssl.lo -MD -MP -MF .deps/bufferevent_openssl.Tpo -c -o bufferevent_openssl.lo bufferevent_openssl.c
libtool: compile: gcc -DHAVE_CONFIG_H -I. -I./compat -I./include -I./include -g -O2 -Wall -fno-strict-aliasing -pthread -MT bufferevent_openssl.lo -MD -MP -MF .deps/bufferevent_openssl.Tpo -c bufferevent_openssl.c -fPIC -DPIC -o .libs/bufferevent_openssl.o
bufferevent_openssl.c: In function 'bio_bufferevent_new':
bufferevent_openssl.c:106:3: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:107:3: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:108:3: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:109:3: error: dereferencing pointer to incomplete type
bufferevent_openssl.c: In function 'bio_bufferevent_free':
bufferevent_openssl.c:119:7: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:120:8: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:120:19: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:121:22: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:122:4: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:123:4: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:124:4: error: dereferencing pointer to incomplete type
bufferevent_openssl.c: In function 'bio_bufferevent_read':
bufferevent_openssl.c:140:8: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:143:33: error: dereferencing pointer to incomplete type
bufferevent_openssl.c: In function 'bio_bufferevent_write':
bufferevent_openssl.c:159:31: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:165:8: error: dereferencing pointer to incomplete type
bufferevent_openssl.c: In function 'bio_bufferevent_ctrl':
bufferevent_openssl.c:191:31: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:196:10: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:199:4: error: dereferencing pointer to incomplete type
bufferevent_openssl.c: At top level:
bufferevent_openssl.c:228:1: error: variable 'methods_bufferevent' has initializer but incomplete type
bufferevent_openssl.c:229:2: warning: excess elements in struct initializer [enabled by default]
bufferevent_openssl.c:229:2: warning: (near initialization for 'methods_bufferevent') [enabled by default]
bufferevent_openssl.c:229:2: warning: excess elements in struct initializer [enabled by default]
bufferevent_openssl.c:229:2: warning: (near initialization for 'methods_bufferevent') [enabled by default]
bufferevent_openssl.c:230:2: warning: excess elements in struct initializer [enabled by default]
bufferevent_openssl.c:230:2: warning: (near initialization for 'methods_bufferevent') [enabled by default]
bufferevent_openssl.c:231:2: warning: excess elements in struct initializer [enabled by default]
bufferevent_openssl.c:231:2: warning: (near initialization for 'methods_bufferevent') [enabled by default]
bufferevent_openssl.c:232:2: warning: excess elements in struct initializer [enabled by default]
bufferevent_openssl.c:232:2: warning: (near initialization for 'methods_bufferevent') [enabled by default]
bufferevent_openssl.c:233:2: warning: excess elements in struct initializer [enabled by default]
bufferevent_openssl.c:233:2: warning: (near initialization for 'methods_bufferevent') [enabled by default]
bufferevent_openssl.c:234:2: warning: excess elements in struct initializer [enabled by default]
bufferevent_openssl.c:234:2: warning: (near initialization for 'methods_bufferevent') [enabled by default]
bufferevent_openssl.c:235:2: warning: excess elements in struct initializer [enabled by default]
bufferevent_openssl.c:235:2: warning: (near initialization for 'methods_bufferevent') [enabled by default]
bufferevent_openssl.c:236:2: warning: excess elements in struct initializer [enabled by default]
bufferevent_openssl.c:236:2: warning: (near initialization for 'methods_bufferevent') [enabled by default]
bufferevent_openssl.c:237:2: warning: excess elements in struct initializer [enabled by default]
bufferevent_openssl.c:237:2: warning: (near initialization for 'methods_bufferevent') [enabled by default]
bufferevent_openssl.c: In function 'BIO_new_bufferevent':
bufferevent_openssl.c:257:8: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:258:8: error: dereferencing pointer to incomplete type
bufferevent_openssl.c:259:8: error: dereferencing pointer to incomplete type
查看106行文件,是BIO *h
static int
bio_bufferevent_new(BIO *b)
{
b->init = 0;
b->num = -1;
b->ptr = NULL; /* We'll be putting the bufferevent in this field.*/
b->flags = 0;
return 1;
}
但是我的/usr/include/openssl目录下执行ls,发现是存在bio.h
执行openssl version -a:
OpenSSL 1.1.0g 2 Nov 2017
built on: reproducible build, date unspecified
platform: dist
compiler: cc -DNDEBUG -DOPENSSL_NO_DYNAMIC_ENGINE -DOPENSSLDIR="\"/usr/local/ssl\"" -DENGINESDIR="\"/usr/local/lib/engines-1.1\""
OPENSSLDIR: "/usr/local/ssl"
ENGINESDIR: "/usr/local/lib/engines-1.1"
目前就不知道怎么回事了
编译环境是linux,各位给个提示,怎么查问题?
这是 libevent 与 openssl 版本不兼容导致。
一般来说,它们的版本关系是这样的
因此你有两个选择
下面针对第二种选择做详细说明,这种方法是通用的,适用于编译其他软件时出现版本不兼容问题。
首先安装 openssl 1.0 版本,注意需要头文件。你可以选择从源码安装,或使用操作系统的仓库下载安装。
这类安装包通常带有 "*-dev" 字样,比如 centos 发行版可能是这样的
openssl 安装完成后,会有一个 pkgconfig/ 目录,实际路径取决于你上一步的操作,一般位于 /usr/lib 或 /usr/local/lib 下。
这里我们假设是 /usr/local/lib/openssl-1.0/pkgconfig/, 你需要将它设置成 PKG_CONFIG_PATH 的环境变量值,如
切换到 libevent 源码目录,把 openssl 头文件路径,及库文件路径加入 configure 配置变量,如
清除原内容,并重新编译即可