diff -up rpm-4.18.1/macros.in.orig rpm-4.18.1/macros.in
--- rpm-4.18.1/macros.in.orig	2023-03-15 13:57:06.385361527 +0100
+++ rpm-4.18.1/macros.in	2023-03-15 13:58:09.613971713 +0100
@@ -750,11 +750,12 @@ package or when debugging this package.\
   RPM_SOURCE_DIR=\"%{_sourcedir}\"\
   RPM_BUILD_DIR=\"%{_builddir}\"\
   RPM_OPT_FLAGS=\"%{optflags}\"\
+  RPM_LD_FLAGS=\"%{?build_ldflags}\"\
   RPM_ARCH=\"%{_arch}\"\
   RPM_OS=\"%{_os}\"\
   RPM_BUILD_NCPUS=\"%{_smp_build_ncpus}\"\
   RPM_SPECPARTS_DIR=\"%{specpartsdir}\"\
-  export RPM_SOURCE_DIR RPM_BUILD_DIR RPM_OPT_FLAGS RPM_ARCH RPM_OS RPM_BUILD_NCPUS RPM_SPECPARTS_DIR\
+  export RPM_SOURCE_DIR RPM_BUILD_DIR RPM_OPT_FLAGS RPM_ARCH RPM_OS RPM_BUILD_NCPUS RPM_SPECPARTS_DIR RPM_LD_FLAGS\
   RPM_DOC_DIR=\"%{_docdir}\"\
   export RPM_DOC_DIR\
   RPM_PACKAGE_NAME=\"%{NAME}\"\