autoconf: use include directives instead of recursing down rpm

Also simplify .gitignore

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #13316

Makefile.am

@@ -13,7 +13,7 @@ ACLOCAL_AMFLAGS = -I config
 
 SUBDIRS = include
 if BUILD_LINUX
-SUBDIRS += rpm
+include $(srcdir)/%D%/rpm/Makefile.am
 endif
 
 CPPCHECKDIRS += etc/systemd/system-generators

configure.ac

@@ -97,12 +97,9 @@ AC_CONFIG_FILES([
 	lib/libzfs_core/libzfs_core.pc
 	module/Kbuild
 	module/Makefile
-	rpm/Makefile
-	rpm/generic/Makefile
 	rpm/generic/zfs-dkms.spec
 	rpm/generic/zfs-kmod.spec
 	rpm/generic/zfs.spec
-	rpm/redhat/Makefile
 	rpm/redhat/zfs-dkms.spec
 	rpm/redhat/zfs-kmod.spec
 	rpm/redhat/zfs.spec

rpm/.gitignore

@@ -0,0 +1 @@
+/*/*.spec

rpm/Makefile.am

@@ -1 +1,8 @@
-SUBDIRS = generic redhat
+EXTRA_DIST += \
+	%D%/generic/zfs-dkms.spec.in \
+	%D%/generic/zfs-kmod.spec.in \
+	%D%/generic/zfs.spec.in \
+	\
+	%D%/redhat/zfs-dkms.spec.in \
+	%D%/redhat/zfs-kmod.spec.in \
+	%D%/redhat/zfs.spec.in

rpm/generic/.gitignore

@@ -1,3 +0,0 @@
-/zfs-dkms.spec
-/zfs-kmod.spec
-/zfs.spec

rpm/generic/Makefile.am

@@ -1 +0,0 @@
-EXTRA_DIST = zfs.spec.in zfs-kmod.spec.in zfs-dkms.spec.in

rpm/redhat/.gitignore

@@ -1,3 +0,0 @@
-/zfs-dkms.spec
-/zfs-kmod.spec
-/zfs.spec

rpm/redhat/Makefile.am

@@ -1 +0,0 @@
-EXTRA_DIST = zfs.spec.in zfs-kmod.spec.in zfs-dkms.spec.in