From: Aki Tuomi <aki.tuomi@open-xchange.com>
Date: Mon, 25 Apr 2022 19:15:50 +0000 (+0300)
Subject: m4: sendfile.m4 - Modernize m4 syntax
X-Git-Tag: 2.4.0~3887
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=00a1a3749278fc0bef57db3969f0360080b0de00;p=thirdparty%2Fdovecot%2Fcore.git

m4: sendfile.m4 - Modernize m4 syntax
---

diff --git a/m4/sendfile.m4 b/m4/sendfile.m4
index 33ec88b4f5..ed148d899e 100644
--- a/m4/sendfile.m4
+++ b/m4/sendfile.m4
@@ -7,40 +7,40 @@ AC_DEFUN([DOVECOT_SENDFILE], [
     dnl * Linux compatible sendfile() - don't check if Solaris one was found.
     dnl * This seems to pass with Solaris for some reason..
     AC_CACHE_CHECK([Linux compatible sendfile()],i_cv_have_linux_sendfile,[
-      AC_TRY_LINK([
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([[
         #undef _FILE_OFFSET_BITS
         #include <sys/types.h>
         #include <sys/socket.h>
         #include <sys/sendfile.h>
-      ], [
+      ]], [[
         sendfile(0, 0, (void *) 0, 0);
-      ], [
+      ]])],[
         i_cv_have_linux_sendfile=yes
       ], [
         i_cv_have_linux_sendfile=no
       ])
     ])
-    if test $i_cv_have_linux_sendfile = yes; then
+    AS_IF([test $i_cv_have_linux_sendfile = yes], [
       AC_DEFINE(HAVE_LINUX_SENDFILE,, [Define if you have Linux-compatible sendfile()])
-    fi
+    ])
   
     dnl * FreeBSD compatible sendfile()
     AC_CACHE_CHECK([FreeBSD compatible sendfile()],i_cv_have_freebsd_sendfile,[
-      AC_TRY_LINK([
+      AC_LINK_IFELSE([AC_LANG_PROGRAM([[
         #include <sys/types.h>
         #include <sys/socket.h>
         #include <sys/uio.h>
-      ], [
+      ]], [[
         struct sf_hdtr hdtr;
         sendfile(0, 0, 0, 0, &hdtr, (void *) 0, 0);
-      ], [
+      ]])],[
         i_cv_have_freebsd_sendfile=yes
       ], [
         i_cv_have_freebsd_sendfile=no
       ])
     ])
-    if test $i_cv_have_freebsd_sendfile = yes; then
+    AS_IF([test $i_cv_have_freebsd_sendfile = yes], [
       AC_DEFINE(HAVE_FREEBSD_SENDFILE,, [Define if you have FreeBSD-compatible sendfile()])
-    fi
+    ])
   ])
 ])