install cryptsetup_tmpfiles.conf

add --with-tmpfilesdir configuration option. Use the option
either to override default systemd tmpfiles.d directory location
or to specify install location for systems without systemd.

Makefile.am

@@ -3,6 +3,7 @@ SUBDIRS = po tests
 TESTS =
 CLEANFILES =
 DISTCLEAN_TARGETS =
+INSTALL_DATA_HOOKS =
 
 AM_CPPFLAGS = \
 	-include config.h \
@@ -16,9 +17,12 @@ AM_CPPFLAGS = \
 AM_CFLAGS = -Wall
 AM_LDFLAGS =
 
+tmpfilesddir = @DEFAULT_TMPFILESDIR@
+
 noinst_LTLIBRARIES =
 sbin_PROGRAMS =
 man8_MANS =
+tmpfilesd_DATA =
 
 include man/Makemodule.am
 
@@ -44,3 +48,5 @@ distclean-local:
 
 clean-local:
 	-rm -rf docs/doxygen_api_docs
+
+install-data-hook: $(INSTALL_DATA_HOOKS)

configure.ac

@@ -425,6 +425,8 @@ if test x$enable_static_cryptsetup = xyes; then
 	PKG_CONFIG=$saved_PKG_CONFIG
 fi
 
+PKG_CHECK_VAR([systemd_tmpfilesdir], [systemd], [tmpfilesdir], [], [systemd_tmpfilesdir=no])
+
 AC_SUBST([DEVMAPPER_LIBS])
 AC_SUBST([DEVMAPPER_STATIC_LIBS])
 
@@ -525,6 +527,16 @@ CS_NUM_WITH([verity-hash-block], [hash block size for verity mode], [4096])
 CS_NUM_WITH([verity-salt-size],  [salt size for verity mode], [32])
 CS_NUM_WITH([verity-fec-roots],  [parity bytes for verity FEC], [2])
 
+CS_STR_WITH([tmpfilesdir], [override default path to directory with systemd temporary files], [$systemd_tmpfilesdir])
+test -z "$with_tmpfilesdir" && with_tmpfilesdir=$systemd_tmpfilesdir
+test "x$with_tmpfilesdir" == "xno" || {
+	test "${with_tmpfilesdir:0:1}" = "/" || AC_MSG_ERROR([--with-tmpfilesdir argument must be an absolute path.])
+	DEFAULT_TMPFILESDIR=$with_tmpfilesdir
+	AC_SUBST(DEFAULT_TMPFILESDIR)
+}
+AM_CONDITIONAL(CRYPTSETUP_TMPFILE, test -n "$DEFAULT_TMPFILESDIR")
+
+
 CS_STR_WITH([luks2-lock-path], [path to directory for LUKSv2 locks], [/run/lock/cryptsetup])
 test -z "$with_luks2_lock_path" && with_luks2_lock_path=/run/lock/cryptsetup
 test "${with_luks2_lock_path:0:1}" = "/" || AC_MSG_ERROR([--with-luks2-lock-path argument must be an absolute path.])

scripts/Makemodule.am

@@ -1 +1,10 @@
-DISTCLEAN_TARGETS += cryptsetup_tmpfiles.conf
+DISTCLEAN_TARGETS += scripts/cryptsetup_tmpfiles.conf
+
+if CRYPTSETUP_TMPFILE
+tmpfilesd_DATA += scripts/cryptsetup_tmpfiles.conf
+
+install-data-hooks-tmpfiles:
+	mv $(DESTDIR)$(tmpfilesddir)/cryptsetup_tmpfiles.conf $(DESTDIR)$(tmpfilesddir)/cryptsetup.conf
+
+INSTALL_DATA_HOOKS += install-data-hooks-tmpfiles
+endif