为什么安装32位软件包会删除64位软件包？
我不清楚为什么安装32位软件包需要删除64位软件包。
例如，如果我尝试安装libcurl的32位开发包apt-get表明它将删除几个64位软件包， 包括gcc ！
$ sudo apt-get install libcurl4-openssl-dev:i386 Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: g++-4.8 gcc-4.8 libasan0 libasan0:i386 libatomic1 libatomic1:i386 libc6-dev libcloog-isl4:i386 libgcc-4.8-dev libgcc-4.8-dev:i386 libgmp10:i386 libgomp1 libgomp1:i386 libisl10:i386 libitm1 libitm1:i386 libmpc3:i386 libmpfr4:i386 libquadmath0 libquadmath0:i386 libstdc++-4.8-dev libtsan0 linux-libc-dev Use 'apt-get autoremove' to remove them. The following extra packages will be installed: comerr-dev:i386 gcc-4.8-base:i386 gcc-4.9-base:i386 krb5-multidev:i386 libasn1-8-heimdal:i386 libc6:i386 libc6-dev:i386 libcomerr2:i386 libcurl3:i386 libdb5.3:i386 libffi6:i386 libgcc1:i386 libgcrypt11:i386 libgcrypt11-dev:i386 libgnutls-dev:i386 libgnutls-openssl27:i386 libgnutls26:i386 libgnutlsxx27:i386 libgpg-error-dev:i386 libgpg-error0:i386 libgssapi-krb5-2:i386 libgssapi3-heimdal:i386 libgssrpc4:i386 libhcrypto4-heimdal:i386 libheimbase1-heimdal:i386 libheimntlm0-heimdal:i386 libhx509-5-heimdal:i386 libidn11:i386 libidn11-dev:i386 libk5crypto3:i386 libkadm5clnt-mit9:i386 libkadm5srv-mit9:i386 libkdb5-7:i386 libkeyutils1:i386 libkrb5-26-heimdal:i386 libkrb5-3:i386 libkrb5-dev:i386 libkrb5support0:i386 libldap-2.4-2 libldap-2.4-2:i386 libldap2-dev:i386 libp11-kit-dev:i386 libp11-kit0:i386 libroken18-heimdal:i386 librtmp-dev:i386 librtmp0:i386 libsasl2-2:i386 libsasl2-modules:i386 libsasl2-modules-db:i386 libsqlite3-0:i386 libssl-dev:i386 libssl1.0.0:i386 libstdc++6:i386 libtasn1-6:i386 libtasn1-6-dev:i386 libwind0-heimdal:i386 linux-libc-dev:i386 pkg-config zlib1g:i386 zlib1g-dev:i386 Suggested packages: doc-base:i386 krb5-doc:i386 glibc-doc:i386 locales:i386 manpages-dev:i386 libcurl4-doc:i386 libcurl3-dbg:i386 rng-tools:i386 libgcrypt11-doc:i386 gnutls26-doc:i386 gnutls-bin:i386 krb5-user:i386 libsasl2-modules-otp:i386 libsasl2-modules-ldap:i386 libsasl2-modules-sql:i386 libsasl2-modules-gssapi-mit:i386 libsasl2-modules-gssapi-heimdal:i386 Recommended packages: gcc:i386 c-compiler:i386 libssl-doc:i386 The following packages will be REMOVED: cpp g++ gcc The following NEW packages will be installed: comerr-dev:i386 gcc-4.8-base:i386 gcc-4.9-base:i386 krb5-multidev:i386 libasn1-8-heimdal:i386 libc6:i386 libc6-dev:i386 libcomerr2:i386 libcurl3:i386 libcurl4-openssl-dev:i386 libdb5.3:i386 libffi6:i386 libgcc1:i386 libgcrypt11:i386 libgcrypt11-dev:i386 libgnutls-dev:i386 libgnutls-openssl27:i386 libgnutls26:i386 libgnutlsxx27:i386 libgpg-error-dev:i386 libgpg-error0:i386 libgssapi-krb5-2:i386 libgssapi3-heimdal:i386 libgssrpc4:i386 libhcrypto4-heimdal:i386 libheimbase1-heimdal:i386 libheimntlm0-heimdal:i386 libhx509-5-heimdal:i386 libidn11:i386 libidn11-dev:i386 libk5crypto3:i386 libkadm5clnt-mit9:i386 libkadm5srv-mit9:i386 libkdb5-7:i386 libkeyutils1:i386 libkrb5-26-heimdal:i386 libkrb5-3:i386 libkrb5-dev:i386 libkrb5support0:i386 libldap-2.4-2:i386 libldap2-dev:i386 libp11-kit-dev:i386 libp11-kit0:i386 libroken18-heimdal:i386 librtmp-dev:i386 librtmp0:i386 libsasl2-2:i386 libsasl2-modules:i386 libsasl2-modules-db:i386 libsqlite3-0:i386 libssl-dev:i386 libssl1.0.0:i386 libstdc++6:i386 libtasn1-6:i386 libtasn1-6-dev:i386 libwind0-heimdal:i386 linux-libc-dev:i386 pkg-config zlib1g:i386 zlib1g-dev:i386 The following packages will be upgraded: libldap-2.4-2 1 upgraded, 60 newly installed, 3 to remove and 28 not upgraded. Need to get 15.1 MB of archives. After this operation, 54.8 MB of additional disk space will be used. Do you want to continue? [Y/n] n Abort. 似乎启用了Multiarch支持：
$ dpkg --print-foreign-architectures i386
我需要在同一个开发盒上使用64位和32位软件包。 我相信这应该是微不足道的。 我有什么误会？ 在不删除关键的64位软件包的情况下，如何安装32位软件包需要做什么？
不要安装32位* -dev软件包。 dev几乎总是只是头文件。 并且所有体系结构的头文件几乎总是相同的。
只需安装32位库。 在这种特殊情况下，它是libcurl3。