Maybe this is enough?
Aki
diff --git a/src/imap-hibernate/imap-hibernate-client.c
b/src/imap-hibernate/imap-hibernate-client.c
index b1c02db188..5fb588f3c3 100644
--- a/src/imap-hibernate/imap-hibernate-client.c
+++ b/src/imap-hibernate/imap-hibernate-client.c
@@ -12,6 +12,10 @@
#include "imap-client.h"
#include "imap-hibernate-client.h"
+#if defined(HAVE_SYS_MNTTAB_H)
+# include <sys/mkdev.h> /* Solaris */
+#endif
+
struct imap_hibernate_client {
struct connection conn;
struct imap_client *imap_client;
diff --git a/src/imap/imap-master-client.c b/src/imap/imap-master-client.c
index 9ae429e5cd..d90f8f2306 100644
--- a/src/imap/imap-master-client.c
+++ b/src/imap/imap-master-client.c
@@ -18,6 +18,10 @@
#include "imap-state.h"
#include "imap-master-client.h"
+#if defined(HAVE_SYS_MNTTAB_H)
+# include <sys/mkdev.h> /* Solaris */
+#endif
+
struct imap_master_client {
struct connection conn;
bool imap_client_created;
diff --git a/src/lib/mountpoint.c b/src/lib/mountpoint.c
index 3d2150ec6e..816d0d6f54 100644
--- a/src/lib/mountpoint.c
+++ b/src/lib/mountpoint.c
@@ -27,6 +27,7 @@
# include <stdio.h>
# include <sys/mnttab.h> /* Solaris */
# include <sys/mntent.h>
+# include <sys/mkdev.h>
# define MOUNTPOINT_SOLARIS
#else
# define MOUNTPOINT_UNKNOWN
> On 19/01/2026 12:17 EET Andrew Watkins via dovecot <[email protected]>
> wrote:
>
>
> On 1/16/2026 11:38 AM, Aki Tuomi wrote:
> > Can you see if
> >
> > diff --git a/src/lib/mountpoint.c b/src/lib/mountpoint.c
> > index 3d2150ec6e..816d0d6f54 100644
> > --- a/src/lib/mountpoint.c
> > +++ b/src/lib/mountpoint.c
> > @@ -27,6 +27,7 @@
> > # include <stdio.h>
> > # include <sys/mnttab.h> /* Solaris */
> > # include <sys/mntent.h>
> > +# include <sys/mkdev.h>
> > # define MOUNTPOINT_SOLARIS
> > #else
> > # define MOUNTPOINT_UNKNOWN
> >
> > helps?
> >
> > Aki
> >
> Thanks, that worked.
>
> There are 2 other files which use "makedev" which give the same error:
>
> src/imap-hibernate/imap-hibernate-client.c: state_r->peer_dev =
> makedev(peer_dev_major, peer_dev_minor);
>
> src/imap/imap-master-client.c: makedev(peer_dev_major, peer_dev_minor);
>
> So the "#include <sys/mkdev.h>" has to be added to them as well.
> Question, which Definition to use so only added with SOLARIS?
>
> I am test the installation now to see if it all works on Solaris 11.4
>
> Thanks,
>
> Andrew
> On 1/16/2026 11:38 AM, Aki Tuomi wrote:
>
> Can you see if
>
> diff --git a/src/lib/mountpoint.c b/src/lib/mountpoint.c
> index 3d2150ec6e..816d0d6f54 100644
> --- a/src/lib/mountpoint.c
> +++ b/src/lib/mountpoint.c
> @@ -27,6 +27,7 @@
> # include <stdio.h>
> # include <sys/mnttab.h> /* Solaris */
> # include <sys/mntent.h>
> +# include <sys/mkdev.h>
> # define MOUNTPOINT_SOLARIS
> #else
> # define MOUNTPOINT_UNKNOWN
>
> helps?
>
> Aki
>
>
> Thanks, that worked.
>
> There are 2 other files which use "makedev" which give the same error:
>
> src/imap-hibernate/imap-hibernate-client.c: state_r->peer_dev =
> makedev(peer_dev_major, peer_dev_minor);
>
> src/imap/imap-master-client.c: makedev(peer_dev_major, peer_dev_minor);
>
> So the "#include <sys/mkdev.h>" has to be added to them as well. Question,
> which Definition to use so only added with SOLARIS?
>
> I am test the installation now to see if it all works on Solaris 11.4
>
> Thanks,
>
> Andrew
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