try to provide devel(libm(64bit)) properly

glibc.spec

@@ -46,6 +46,16 @@
 %define _disable_lto 1
 %endif
 
+# devel-rpm-generators
+%define __devel_provides \
+  %_buildshell -c '\
+  while read -r line; do \
+  if echo "$line" | grep -E '(/lib/|/usr/lib/).*\.so' ; \
+    then %__devel_provides 32 ; \
+    else %__devel_provides ; \
+  fi ; \
+  done'
+
 %define _disable_ld_no_undefined 1
 
 # (tpg) optimize it a bit
@@ -127,7 +137,7 @@ Source0:	http://ftp.gnu.org/gnu/glibc/%{oname}-%{ver}.tar.xz
 #Source1:	http://ftp.gnu.org/gnu/glibc/%{oname}-%{ver}.tar.xz.sig
 #endif
 %endif
-Release:	13
+Release:	14
 License:	LGPLv2+ and LGPLv2+ with exceptions and GPLv2+
 Group:		System/Libraries
 Url:		http://www.gnu.org/software/libc/
@@ -248,6 +258,7 @@ Patch1036:	glibc-2.29-strict-aliasing.patch
 Patch1037:	glibc-2.29-SIG_BLOCK.patch
 Patch1038:	unsigned-magic.patch
 
+BuildRequires:	devel-rpm-generators
 BuildRequires:	autoconf2.5
 BuildRequires:	python3
 BuildRequires:	%{cross_prefix}binutils >= 2.30-7