Why need dep 32 bit library?!

[Brian via Digitalmars-d]

OH ... NO ...

I want install dmd to my fedora 26, but I get 64bit dmd's rpm 
package notic info:

[root at fedora Downloads]# rpm -ivh dmd-2.074.0-0.fedora.x86_64.rpm
error: Failed dependencies:
	glibc-devel(x86-32) is needed by dmd-2.074.0-0.x86_64
	libcurl(x86-32) is needed by dmd-2.074.0-0.x86_64
	libgcc(x86-32) is needed by dmd-2.074.0-0.x86_64
[root at fedora Downloads]# dnf install glibc-devel libcurl libgcc
Last metadata expiration check: 2:06:24 ago on Mon Apr 24 
17:30:50 2017 CST.
Package glibc-devel-2.25-4.fc26.x86_64 is already installed, 
skipping.
Package libcurl-7.53.1-6.fc26.x86_64 is already installed, 
skipping.
Package libgcc-7.0.1-0.12.fc26.x86_64 is already installed, 
skipping.
Dependencies resolved.
Nothing to do.
Complete!