/usr/local/lib64/libcrypto.a(dso_dlfcn.o): In function `dlfcn_globallookup':
dso_dlfcn.c:(.text+0x30): undefined reference to `dlopen'
dso_dlfcn.c:(.text+0x43): undefined reference to `dlsym'
dso_dlfcn.c:(.text+0x4e): undefined reference to `dlclose'
/usr/local/lib64/libcrypto.a(dso_dlfcn.o): In function `dlfcn_pathbyaddr':
dso_dlfcn.c:(.text+0x9d): undefined reference to `dladdr'
dso_dlfcn.c:(.text+0xf9): undefined reference to `dlerror'
/usr/local/lib64/libcrypto.a(dso_dlfcn.o): In function `dlfcn_bind_func':
dso_dlfcn.c:(.text+0x434): undefined reference to `dlsym'
dso_dlfcn.c:(.text+0x4de): undefined reference to `dlerror'
/usr/local/lib64/libcrypto.a(dso_dlfcn.o): In function `dlfcn_bind_var':
dso_dlfcn.c:(.text+0x554): undefined reference to `dlsym'
dso_dlfcn.c:(.text+0x5fe): undefined reference to `dlerror'
/usr/local/lib64/libcrypto.a(dso_dlfcn.o): In function `dlfcn_unload':
dso_dlfcn.c:(.text+0x65d): undefined reference to `dlclose'
/usr/local/lib64/libcrypto.a(dso_dlfcn.o): In function `dlfcn_load':
dso_dlfcn.c:(.text+0x712): undefined reference to `dlopen'
dso_dlfcn.c:(.text+0x77b): undefined reference to `dlclose'
dso_dlfcn.c:(.text+0x7a8): undefined reference to `dlerror'
collect2: ld returned 1 exit status
make: *** [git-imap-send] Error 1
打开Makefile目录，搜索crypto，前面添加-ldl
ifdef NEEDS_SSL_WITH_CRYPTO
LIB_4_CRYPTO = $(OPENSSL_LINK) -ldl -lcrypto -lssl
else
LIB_4_CRYPTO = $(OPENSSL_LINK) -ldl -lcrypto
endif