We're in the process of upgrading but first we're moving to RHEL 9. My attempt to compile using rpmbuild -v -ta --define "_lto_cflags %{nil}"  slurm-18.08.9.tar.bz2 (H/T to Brian for this flag). I've stumped Google and the Slurm mailing list with the scancel error so hoping someone here knows of a work around.

/bin/ld: opt.o:/root/rpmbuild/BUILD/slurm-18.08.9/src/scancel/../../src/scancel/scancel.h:78: multiple definition of `opt'; scancel.o:/root/rpmbuild/BUILD/slurm-18.08.9/src/scancel/../../src/scancel/scancel.h:78: first defined here
collect2: error: ld returned 1 exit status
make[3]: *** [Makefile:577: scancel] Error 1
make[3]: Leaving directory '/root/rpmbuild/BUILD/slurm-18.08.9/src/scancel'
make[2]: *** [Makefile:563: all-recursive] Error 1
make[2]: Leaving directory '/root/rpmbuild/BUILD/slurm-18.08.9/src'
make[1]: *** [Makefile:690: all-recursive] Error 1
make[1]: Leaving directory '/root/rpmbuild/BUILD/slurm-18.08.9'
make: *** [Makefile:589: all] Error 2
error: Bad exit status from /var/tmp/rpm-tmp.jhiGyR (%build)


RPM build errors:
    Macro expanded in comment on line 22: %_prefix path install path for commands, libraries, etc.

    line 70: It's not recommended to have unversioned Obsoletes: Obsoletes: slurm-lua slurm-munge slurm-plugins
    Macro expanded in comment on line 158: %define _unpackaged_files_terminate_build      0

    line 224: It's not recommended to have unversioned Obsoletes: Obsoletes: slurm-sql
    line 256: It's not recommended to have unversioned Obsoletes: Obsoletes: slurm-sjobexit slurm-sjstat slurm-seff
    line 275: It's not recommended to have unversioned Obsoletes: Obsoletes: pam_slurm
    Bad exit status from /var/tmp/rpm-tmp.jhiGyR (%build)

#!/bin/sh

  RPM_SOURCE_DIR="/root"
  RPM_BUILD_DIR="/root/rpmbuild/BUILD"
  RPM_OPT_FLAGS="-O2  -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS "-Wl,-z,lazy" -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64-v2 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection"
  RPM_LD_FLAGS="-Wl,-z,relro -Wl,--as-needed  "-Wl,-z,lazy" -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 "
  RPM_ARCH="x86_64"
  RPM_OS="linux"
  RPM_BUILD_NCPUS="48"
  export RPM_SOURCE_DIR RPM_BUILD_DIR RPM_OPT_FLAGS RPM_LD_FLAGS RPM_ARCH RPM_OS RPM_BUILD_NCPUS RPM_LD_FLAGS
  RPM_DOC_DIR="/usr/share/doc"
  export RPM_DOC_DIR
  RPM_PACKAGE_NAME="slurm"
  RPM_PACKAGE_VERSION="18.08.9"
  RPM_PACKAGE_RELEASE="1.el9"
  export RPM_PACKAGE_NAME RPM_PACKAGE_VERSION RPM_PACKAGE_RELEASE
  LANG=C
  export LANG
  unset CDPATH DISPLAY ||:
  RPM_BUILD_ROOT="/root/rpmbuild/BUILDROOT/slurm-18.08.9-1.el9.x86_64"
  export RPM_BUILD_ROOT
 
  PKG_CONFIG_PATH="${PKG_CONFIG_PATH}:/usr/lib64/pkgconfig:/usr/share/pkgconfig"
  export PKG_CONFIG_PATH
  CONFIG_SITE=${CONFIG_SITE:-NONE}
  export CONFIG_SITE
 
  set -x
  umask 022
  cd "/root/rpmbuild/BUILD"
cd 'slurm-18.08.9'

 
  CFLAGS="${CFLAGS:--O2  -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS "-Wl,-z,lazy" -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64-v2 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection}" ; export CFLAGS ;
  CXXFLAGS="${CXXFLAGS:--O2  -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS "-Wl,-z,lazy" -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64-v2 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection}" ; export CXXFLAGS ;
  FFLAGS="${FFLAGS:--O2  -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS "-Wl,-z,lazy" -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64-v2 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -I/usr/lib64/gfortran/modules}" ; export FFLAGS ;
  FCFLAGS="${FCFLAGS:--O2  -fexceptions -g -grecord-gcc-switches -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2 -Wp,-D_GLIBCXX_ASSERTIONS "-Wl,-z,lazy" -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64-v2 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -I/usr/lib64/gfortran/modules}" ; export FCFLAGS ;
  LDFLAGS="${LDFLAGS:--Wl,-z,relro -Wl,--as-needed  "-Wl,-z,lazy" -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 }" ; export LDFLAGS ;
  LT_SYS_LIBRARY_PATH="${LT_SYS_LIBRARY_PATH:-/usr/lib64:}" ; export LT_SYS_LIBRARY_PATH ;
  CC="${CC:-gcc}" ; export CC ;
  CXX="${CXX:-g++}" ; export CXX;
  [ ""x != x ] &&
  for file in $(find . -type f -name configure -print); do
    /usr/bin/sed -r --in-place=.backup 's/^char \(\*f\) \(\) = /__attribute__ ((used)) char (*f) () = /g' $file;
    diff -u $file.backup $file && mv $file.backup $file
    /usr/bin/sed -r --in-place=.backup 's/^char \(\*f\) \(\);/__attribute__ ((used)) char (*f) ();/g' $file;
    diff -u $file.backup $file && mv $file.backup $file
    /usr/bin/sed -r --in-place=.backup 's/^char \$2 \(\);/__attribute__ ((used)) char \$2 ();/g' $file;
    diff -u $file.backup $file && mv $file.backup $file
    /usr/bin/sed --in-place=.backup '1{$!N;$!N};$!N;s/int x = 1;\nint y = 0;\nint z;\nint nan;/volatile int x = 1; volatile int y = 0; volatile int z, nan;/;P;D' $file;
    diff -u $file.backup $file && mv $file.backup $file
    /usr/bin/sed --in-place=.backup 's#^lt_cv_sys_global_symbol_to_cdecl=.*#lt_cv_sys_global_symbol_to_cdecl="sed -n -e '"'"'s/^T .* \\(.*\\)$/extern int \\1();/p'"'"' -e '"'"'s/^$symcode* .* \\(.*\\)$/extern char \\1;/p'"'"'"#' $file;
    diff -u $file.backup $file && mv $file.backup $file
  done;
  [ "1" = 1 ] && for i in $(find $(dirname ./configure) -name config.guess -o -name config.sub) ; do
      [ -f /usr/lib/rpm/redhat/$(basename $i) ] && /usr/bin/rm -f $i && /usr/bin/cp -fv /usr/lib/rpm/redhat/$(basename $i) $i ;
  done ;
  [ "1" = 1 ] && [ x != "x"-Wl,-z,lazy"" ] &&
      for i in $(find . -name ltmain.sh) ; do
        /usr/bin/sed -i.backup -e 's~compiler_flags=$~compiler_flags=""-Wl,-z,lazy""~' $i
      done ;
  ./configure --build=x86_64-redhat-linux-gnu --host=x86_64-redhat-linux-gnu \
--program-prefix= \
--disable-dependency-tracking \
\
--prefix=/usr \
--exec-prefix=/usr \
--bindir=/usr/bin \
--sbindir=/usr/sbin \
--sysconfdir=/etc/slurm \
--datadir=/usr/share \
--includedir=/usr/include \
--libdir=/usr/lib64 \
--libexecdir=/usr/libexec \
--localstatedir=/var \
--sharedstatedir=/var/lib \
--mandir=/usr/share/man \
--infodir=/usr/share/info \
\

make -j48


  RPM_EC=$?
  for pid in $(jobs -p); do kill -9 ${pid} || continue; done
  exit ${RPM_EC}