Use correct prefix for share/pam-configs

Respect the configured install prefix.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Arvind Sankar <nivedita@alum.mit.edu>
Signed-off-by: Ryan Moeller <ryan@iXsystems.com>
Closes #10604

config/user-pam.m4

@@ -12,8 +12,9 @@ AC_DEFUN([ZFS_AC_CONFIG_USER_PAM], [
 
 	AC_ARG_WITH(pamconfigsdir,
 		AS_HELP_STRING([--with-pamconfigsdir=DIR],
-		[install pam-config files in dir [[/usr/share/pamconfigs]]]),
-		[pamconfigsdir="$withval"],[pamconfigsdir=/usr/share/pam-configs])
+		[install pam-config files in dir [DATADIR/pam-configs]]),
+		[pamconfigsdir="$withval"],
+		[pamconfigsdir='${datadir}/pam-configs'])
 
 	AS_IF([test "x$enable_pam" != "xno"], [
 		AC_CHECK_HEADERS([security/pam_modules.h], [
@@ -29,7 +30,7 @@ AC_DEFUN([ZFS_AC_CONFIG_USER_PAM], [
 		])
 	])
 	AS_IF([test "x$enable_pam" = "xyes"], [
-		DEFINE_PAM='--with "pam" --define "_pamconfigsdir $(pamconfigsdir)"'
+		DEFINE_PAM='--with pam'
 	])
 	AC_SUBST(DEFINE_PAM)
 	AC_SUBST(pammoduledir)

rpm/generic/zfs.spec.in

@@ -348,14 +348,16 @@ image which is ZFS aware.
     --with-udevdir=%{_udevdir} \
     --with-udevruledir=%{_udevruledir} \
     --with-dracutdir=%{_dracutdir} \
+    --with-pamconfigsdir=%{_datadir}/pam-configs \
+    --with-pammoduledir=%{_libdir}/security \
     --with-python=%{__python} \
     --with-pkgconfigdir=%{_pkgconfigdir} \
     --disable-static \
     %{debug} \
     %{debuginfo} \
     %{asan} \
     %{systemd} \
-    --with-pammoduledir=%{_libdir}/security %{pam} \
+    %{pam} \
     %{pyzfs}
 make %{?_smp_mflags}
 
@@ -472,7 +474,7 @@ systemctl --system daemon-reload >/dev/null || true
 %attr(440, root, root) %config(noreplace) %{_sysconfdir}/sudoers.d/*
 %if %{with pam}
 %{_libdir}/security/*
-%{_pamconfigsdir}/*
+%{_datadir}/pam-configs/*
 %endif
 
 %files -n libzpool2