diff --git a/mingw64-winpthreads.spec b/mingw64-winpthreads.spec
index 7f1cbf8..4cfcdf6 100644
--- a/mingw64-winpthreads.spec
+++ b/mingw64-winpthreads.spec
@@ -31,10 +31,9 @@ License:        MIT and BSD-3-Clause
 Group:          Development/Libraries/C and C++
 Url:            http://mingw-w64.sf.net/
 Source:         mingw-w64-winpthreads-%{version}.tar.xz
-BuildRequires:  mingw64-cross-gcc
-BuildRequires:  mingw64-cross-gcc-c++
+BuildRequires:  mingw64-cross-gcc-bootstrap
+BuildRequires:  mingw64-cross-pkg-config
 BuildRequires:  mingw64-filesystem
-BuildRequires:  mingw64-pkg-config
 BuildRequires:  xz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildArch:      noarch
@@ -59,12 +58,13 @@ mingw-w64's implementation of POSIX threads for Windows.
 %setup -q -n winpthreads
 
 %build
-%{_mingw64_configure}
+%{_mingw64_configure} \
+	--disable-static \
+	--enable-shared
 make %{?_smp_mflags}
 
 %install
-b=%{buildroot};
-make install DESTDIR="$b"
+make DESTDIR=%{buildroot} install %{?_smp_mflags}
 
 %files
 %defattr(-,root,root)