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From 3e08e9d634ae6fe259ba35139ef0a7bb4b7e60d8 Mon Sep 17 00:00:00 2001
From: Florian Schmaus <flo@geekplace.eu>
Date: Sat, 17 Apr 2021 18:19:59 +0200
Subject: [PATCH] Makefile: Optionally avoid installation of Ubuntu-specific
 PAM config

This allows non Ubuntu distributions to opt out from the installation
of Ubuntu-specific PAM files.
---
 Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Makefile b/Makefile
index 6e79421356de..307eeedc5153 100644
--- a/Makefile
+++ b/Makefile
@@ -28,6 +28,7 @@ PAM_NAME := pam_$(NAME)
 # BINDIR: Where to install the fscrypt binary.        Default: $(PREFIX)/bin
 # PAM_MODULE_DIR: Where to install pam_fscrypt.so.    Default: $(PREFIX)/lib/security
 # PAM_CONFIG_DIR: Where to install Ubuntu PAM config. Default: $(PREFIX)/share/pam-configs
+#   If the empty string, then the Ubuntu PAM config will not be installed.
 #
 # MOUNT: The filesystem where our tests are run.    Default: /mnt/fscrypt_mount
 #   Ex: make test-setup MOUNT=/foo/bar
@@ -178,9 +179,11 @@ install-pam: $(PAM_MODULE)
 	install -d $(DESTDIR)$(PAM_MODULE_DIR)
 	install $(PAM_MODULE) $(DESTDIR)$(PAM_MODULE_DIR)
 
+ifdef $(PAM_CONFIG_DIR)
 	m4 --define=PAM_INSTALL_PATH=$(PAM_INSTALL_PATH) < $(PAM_NAME)/config > $(PAM_CONFIG)
 	install -d $(DESTDIR)$(PAM_CONFIG_DIR)
 	install $(PAM_CONFIG) $(DESTDIR)$(PAM_CONFIG_DIR)/$(NAME)
+endif
 
 COMPLETION_INSTALL_DIR := $(PREFIX)/share/bash-completion/completions
 
-- 
2.30.2