From: Adam Majer <amajer@suse.de>
Date: Thu, 8 Aug 2019 09:47:59 +0000 (+0000)
Subject: Fix openSUSE ./configure-time Linux PAM authentication detection (#450)
X-Git-Tag: SQUID_5_0_1~60
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=1a8eba3b82d04e9971647937ea2939ab1b924744;p=thirdparty%2Fsquid.git

Fix openSUSE ./configure-time Linux PAM authentication detection (#450)

Recently, openSUSE Factory enabled -Wreturn-type in CFLAGS which
resulted in ./configure failing to detect Linux type of PAM
authentication.
---

diff --git a/acinclude/pam.m4 b/acinclude/pam.m4
index 54b6ed7fd8..ca62a69b07 100644
--- a/acinclude/pam.m4
+++ b/acinclude/pam.m4
@@ -21,7 +21,7 @@ AC_DEFUN([CHECK_STRUCT_PAM_CONV], [
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <security/pam_appl.h>
 static int
-password_conversation(int num_msg, const struct pam_message **msg, struct pam_response **resp, void *appdata_ptr) {}
+password_conversation(int num_msg, const struct pam_message **msg, struct pam_response **resp, void *appdata_ptr) { return 0; }
 static struct pam_conv conv = { &password_conversation, 0 };
 ]])], [
    squid_cv_pam_conv_signature=linux
@@ -29,7 +29,7 @@ static struct pam_conv conv = { &password_conversation, 0 };
     AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
 #include <security/pam_appl.h>
 static int
-password_conversation(int num_msg, struct pam_message **msg, struct pam_response **resp, void *appdata_ptr) {}
+password_conversation(int num_msg, struct pam_message **msg, struct pam_response **resp, void *appdata_ptr) { return 0; }
 static struct pam_conv conv = { &password_conversation, 0 };
 ]])], [ 
   squid_cv_pam_conv_signature=solaris