to avoid ext build requring it (not ext direct dep)
/usr/libx32/pkgconfig/ruby-2.3.pc:LIBS=-lpthread -lgmp -ldl -lcrypt -lm
%bcond_with bootstrap # build bootstrap version
%bcond_with tests # build without tests
-%define rel 3
+%define rel 4
%define ruby_version 2.3
%define patchlevel 5
%define pkg_version %{ruby_version}.%{patchlevel}
Requires: %{name}-modules = %{epoch}:%{version}-%{release}
Requires: gcc
Requires: glibc-devel
+Requires: gmp-devel
Requires: pkgconfig
%description devel