From: Tristan Schmelcher <tristan_schmelcher@alumni.uwaterloo.ca>
Date: Mon, 5 Dec 2011 03:38:58 +0000 (+0100)
Subject: Fix link failure on some platforms when PAM is enabled
X-Git-Tag: 1_20_0~133
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=5560e1af0ada7eb75e8bd4945e2c05ab5d31b415;p=oweals%2Fbusybox.git

Fix link failure on some platforms when PAM is enabled

Signed-off-by: Tristan Schmelcher <tristan_schmelcher@alumni.uwaterloo.ca>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

diff --git a/Makefile.flags b/Makefile.flags
index 7e1c6030c..ee4c518d8 100644
--- a/Makefile.flags
+++ b/Makefile.flags
@@ -105,7 +105,14 @@ LDLIBS += m
 endif
 
 ifeq ($(CONFIG_PAM),y)
-LDLIBS += pam pam_misc
+# libpam uses libpthread, so for static builds busybox must be linked to
+# libpthread. On some platforms that requires an explicit -lpthread, so
+# it should be in LDLIBS. For non-static builds, scripts/trylink will
+# take care of removing -lpthread if possible. (Not bothering to check
+# CONFIG_STATIC because even in a non-static build it could be that the
+# only libpam available is libpam.a, so -lpthread could still be
+# needed.)
+LDLIBS += pam pam_misc pthread
 endif
 
 ifeq ($(CONFIG_SELINUX),y)