update BR

/usr/bin/ld: cannot find -lgmp
extconf.rb:1:in `require': cannot load such file -- mkmf (LoadError)

diff --git a/ruby-msgpack.spec b/ruby-msgpack.spec
index 634135d9208f8c5b8c1bbfaaa6724284b81e686b..279a9b8d605022433583b1f78ea81c16c15dac59 100644 (file)
--- a/ruby-msgpack.spec
+++ b/ruby-msgpack.spec
@@ -12,8 +12,10 @@ Group:               Development/Languages
 Source0:       https://rubygems.org/gems/%{pkgname}-%{version}.gem
 # Source0-md5: 7289b86b6fabf77809d89721a515688a
 URL:           https://msgpack.org/
+BuildRequires: gmp-devel
 BuildRequires: rpm-rubyprov
 BuildRequires: rpmbuild(macros) >= 1.665
+BuildRequires: ruby-devel
 BuildRoot:     %{tmpdir}/%{name}-%{version}-root-%(id -u -n)
 
 %description