ghc_set_gcc_flags: disable brp-strip-lto to avoid strip timestamp warnings

ghc-rpm-macros.spec

@@ -7,7 +7,7 @@
 %endif
 
 Name:           ghc-rpm-macros
-Version:        2.3.14
+Version:        2.3.15
 Release:        1%{?dist}
 Summary:        RPM macros for building Haskell packages for GHC
 
@@ -184,6 +184,9 @@ EOF
 
 
 %changelog
+* Thu Mar 10 2022 Jens Petersen <petersen@redhat.com> - 2.3.15-1
+- ghc_set_gcc_flags: disable brp-strip-lto to avoid strip timestamp warnings
+
 * Sat Feb 12 2022 Jens Petersen <petersen@redhat.com> - 2.3.14-1
 - ghc_set_gcc_flags: also sed CFLAGS when preset in F36
   because of https://fedoraproject.org/wiki/Changes/SetBuildFlagsBuildCheck

macros.ghc

@@ -12,6 +12,7 @@ LANG=C.utf8\
 
 %ghc_set_gcc_flags\
 %global _lto_cflags %{nil}\
+%global __brp_strip_lto %{nil}\
 # -Wunused-label is extremely noisy\
 %ifarch s390x\
 CFLAGS="$(echo ${CFLAGS:-%optflags} | sed -e 's/-Wall //' -e 's/-Werror=format-security //')"\