diff --git a/libaesgm.spec b/libaesgm.spec
index 8d8c246..288a079 100644
--- a/libaesgm.spec
+++ b/libaesgm.spec
@@ -1,6 +1,6 @@
 Name:		libaesgm
 Version:	20090429
-Release:	16%{?dist}
+Release:	17%{?dist}
 License:	BSD
 Summary:	Library implementation of AES (Rijndael) cryptographic methods
 URL:		http://gladman.plushost.co.uk/oldsite/AES/index.php
@@ -9,14 +9,15 @@ Source1:	Makefile.aes
 # Add fileencryption support
 # http://www.gladman.me.uk/cryptography_technology/fileencrypt/
 Patch0:		libaesgm-20090429-fileencrypt.patch
-Group:		System Environment/Libraries
+
+BuildRequires: gcc
+BuildRequires: make
 
 %description
 Library implementation of AES (Rijndael) cryptographic methods.
 
 %package devel
 Summary:	Development files for libaesgm
-Group:		Development/Libraries
 Requires:	%{name} = %{version}-%{release}
 
 %description devel
@@ -29,7 +30,7 @@ cp %{SOURCE1} Makefile
 sed -i 's/\r//' *.txt
 
 %build
-make CFLAGS="%{optflags} -fPIC -DUSE_SHA1"
+make CFLAGS="%{optflags} -fPIC -DUSE_SHA1" LDFLAGS="${build_ldflags}"
 
 %install
 make DESTDIR="%{buildroot}" LIBDIR="%{_libdir}" install
@@ -44,11 +45,16 @@ make DESTDIR="%{buildroot}" LIBDIR="%{_libdir}" install
 %{_libdir}/libaesgm.so.*
 
 %files devel
-%defattr(-,root,root,-)
 %{_includedir}/aes/
 %{_libdir}/libaesgm.so
 
 %changelog
+* Sat Feb 24 2018 Florian Weimer <fweimer@redhat.com> - 20090429-17
+- Use LDFLAGS from redhat-rpm-config
+- Remove "%defattr(-,root,root,-)"
+- Remove "Group:"
+- Add BuildRequires for gcc, make
+
 * Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 20090429-16
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild