nixpkgs/pkgs/tools/networking/network-manager/PppdPath.patch

--- NetworkManager-1.6.2.org/src/ppp/nm-ppp-manager.c	2017-02-15 13:10:27.000000000 +0100
+++ NetworkManager-1.6.2/./src/ppp/nm-ppp-manager.c	2017-04-03 11:45:39.891653216 +0200
@@ -724,7 +724,7 @@
 
 	g_return_val_if_fail (setting != NULL, NULL);
 
-	pppd_binary = nm_utils_find_helper ("pppd", NULL, err);
+	pppd_binary = nm_utils_find_helper ("pppd", PPPD_PATH, err);
 	if (!pppd_binary)
 		return NULL;
network-manager: 1.4.4 -> 1.6.4 2017-04-04 15:16:59 +03:00			`--- NetworkManager-1.6.2.org/src/ppp/nm-ppp-manager.c 2017-02-15 13:10:27.000000000 +0100`
			`+++ NetworkManager-1.6.2/./src/ppp/nm-ppp-manager.c 2017-04-03 11:45:39.891653216 +0200`
			`@@ -724,7 +724,7 @@`
network-manager: give path to pppd executable This fixes an issue I have faced when trying to connect to the internet via wwan gsm modem. (cherry picked from commit 0775adc599f4706e3ff020e700b5f8f69578b6b1) Closes https://github.com/NixOS/nixpkgs/pull/19812 2016-10-16 21:29:18 +03:00
			`g_return_val_if_fail (setting != NULL, NULL);`

			`- pppd_binary = nm_utils_find_helper ("pppd", NULL, err);`
			`+ pppd_binary = nm_utils_find_helper ("pppd", PPPD_PATH, err);`
			`if (!pppd_binary)`
			`return NULL;`