uw-imap: Fix build with clang/musl

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-devtools/uw-imap/uw-imap/0001-Define-prototype-for-safe_flock.patch

@@ -0,0 +1,105 @@
+From c512c877a7ca933bee980dcc1268a7319f233d59 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Fri, 2 Sep 2022 00:07:47 -0700
+Subject: [PATCH] Define prototype for safe_flock
+
+Upstream-Status: Pending
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ src/osdep/unix/env_unix.c | 3 +++
+ src/osdep/unix/mbx.c      | 2 ++
+ src/osdep/unix/os_lnx.h   | 2 ++
+ src/osdep/unix/os_slx.h   | 3 +++
+ src/osdep/unix/unix.c     | 4 ++++
+ 5 files changed, 14 insertions(+)
+
+diff --git a/src/osdep/unix/env_unix.c b/src/osdep/unix/env_unix.c
+index 6b2c447..cefefca 100644
+--- a/src/osdep/unix/env_unix.c
++++ b/src/osdep/unix/env_unix.c
+@@ -59,6 +59,9 @@
+ #define S_IXOTH (S_IEXEC >> 6)
+ #endif
+ 
++
++extern int safe_flock (int fd,int op);
++
+ /* c-client environment parameters */
+ 
+ static char *myUserName = NIL;	/* user name */
+diff --git a/src/osdep/unix/mbx.c b/src/osdep/unix/mbx.c
+index 1ece5d8..c8a45a5 100644
+--- a/src/osdep/unix/mbx.c
++++ b/src/osdep/unix/mbx.c
+@@ -41,12 +41,14 @@ extern int errno;		/* just in case */
+ #include "mail.h"
+ #include "osdep.h"
+ #include <pwd.h>
++#include <utime.h>
+ #include <sys/stat.h>
+ #include <sys/time.h>
+ #include "misc.h"
+ #include "dummy.h"
+ #include "fdstring.h"
+ 
++extern int safe_flock (int fd,int op);
+ 
+ /* Build parameters */
+ 
+diff --git a/src/osdep/unix/os_lnx.h b/src/osdep/unix/os_lnx.h
+index b5f39ff..22c216b 100644
+--- a/src/osdep/unix/os_lnx.h
++++ b/src/osdep/unix/os_lnx.h
+@@ -57,6 +57,8 @@
+ 
+ #define direct dirent
+ 
++extern int safe_flock (int fd,int op);
++
+ #define flock safe_flock
+ 
+ 
+diff --git a/src/osdep/unix/os_slx.h b/src/osdep/unix/os_slx.h
+index b5f39ff..c9adbcd 100644
+--- a/src/osdep/unix/os_slx.h
++++ b/src/osdep/unix/os_slx.h
+@@ -46,11 +46,14 @@
+ #include <sys/types.h>
+ #include <dirent.h>
+ #include <time.h>		/* for struct tm */
++#include <utime.h>		/* for struct tm */
+ #include <fcntl.h>
+ #include <syslog.h>
+ #include <sys/file.h>
+ 
+ 
++extern int safe_flock (int fd,int op);
++
+ /* Linux gets this wrong */
+ 
+ #define setpgrp setpgid
+diff --git a/src/osdep/unix/unix.c b/src/osdep/unix/unix.c
+index be3c437..86be3f9 100644
+--- a/src/osdep/unix/unix.c
++++ b/src/osdep/unix/unix.c
+@@ -45,6 +45,7 @@ extern int errno;		/* just in case */
+ #include "mail.h"
+ #include "osdep.h"
+ #include <time.h>
++#include <utime.h>
+ #include <sys/stat.h>
+ #include "unix.h"
+ #include "pseudo.h"
+@@ -52,6 +53,9 @@ extern int errno;		/* just in case */
+ #include "misc.h"
+ #include "dummy.h"
+ 
++
++extern int safe_flock (int fd,int op);
++
+ /* UNIX I/O stream local data */
+ 
+ typedef struct unix_local {
+-- 
+2.37.3
+

meta-oe/recipes-devtools/uw-imap/uw-imap_2007f.bb

@@ -11,6 +11,7 @@ SRC_URI = "https://fossies.org/linux/misc/old/imap-${PV}.tar.gz \
            file://imap-2007e-shared.patch \
            file://imap-2007f-format-security.patch \
            file://0001-Support-OpenSSL-1.1.patch \
+           file://0001-Define-prototype-for-safe_flock.patch \
            "
 
 SRC_URI[md5sum] = "2126fd125ea26b73b20f01fcd5940369"
@@ -25,7 +26,7 @@ CVE_CHECK_IGNORE += "\
 PACKAGECONFIG ??= "${@bb.utils.filter('DISTRO_FEATURES', 'pam', d)}"
 PACKAGECONFIG[pam] = ",,libpam"
 
-EXTRA_OEMAKE = "CC='${CC}' ARRC='${AR} -rc' RANLIB='${RANLIB}'"
+EXTRA_OEMAKE = "CC='${CC} -std=c99 -D_GNU_SOURCE' ARRC='${AR} -rc' RANLIB='${RANLIB}'"
 
 HEADERS = "src/c-client/*.h src/osdep/unix/*.h c-client/auths.c c-client/linkage.c c-client/linkage.h c-client/osdep.h"