git: c59c5adc46f3 - main - mail/dbmail: Remove dead sbrk linkage

The branch main has been updated by bofh:

URL: https://cgit.FreeBSD.org/ports/commit/?id=c59c5adc46f3c43f00ee2f271018e0d5068578a8

commit c59c5adc46f3c43f00ee2f271018e0d5068578a8
Author:     Brooks Davis <brooks@FreeBSD.org>
AuthorDate: 2023-12-09 08:17:00 +0000
Commit:     Muhammad Moinur Rahman <bofh@FreeBSD.org>
CommitDate: 2023-12-10 14:56:31 +0000

    mail/dbmail: Remove dead sbrk linkage
    
    Differential Revision:  https://reviews.freebsd.org/D42973
---
 mail/dbmail/Makefile                      |  3 +--
 mail/dbmail/files/patch-src_mpool_mpool.c | 38 +++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/mail/dbmail/Makefile b/mail/dbmail/Makefile
index ff43f3f1a98a..002e6470b66b 100644
--- a/mail/dbmail/Makefile
+++ b/mail/dbmail/Makefile
@@ -1,5 +1,6 @@
 PORTNAME=	dbmail
 PORTVERSION=	3.4.1
+PORTREVISION=	1
 DISTVERSIONPREFIX=	v
 CATEGORIES=	mail
 
@@ -9,8 +10,6 @@ WWW=		http://www.dbmail.org/
 
 LICENSE=	GPLv2
 
-BROKEN_aarch64=	Fails to link: missing sbrk
-
 BUILD_DEPENDS=	asciidoc:textproc/asciidoc \
 		docbook-sgml>0:textproc/docbook-sgml \
 		xmlto:textproc/xmlto
diff --git a/mail/dbmail/files/patch-src_mpool_mpool.c b/mail/dbmail/files/patch-src_mpool_mpool.c
new file mode 100644
index 000000000000..281c65aab0ab
--- /dev/null
+++ b/mail/dbmail/files/patch-src_mpool_mpool.c
@@ -0,0 +1,38 @@
+--- src/mpool/mpool.c.orig
++++ src/mpool/mpool.c
+@@ -241,6 +241,7 @@
+   (void)printf("allocating %u pages or %lu bytes\n", page_n, size);
+ #endif
+   
++#if 0
+   if (BIT_IS_SET(mp_p->mp_flags, MPOOL_FLAG_USE_SBRK)) {
+     mem = sbrk(size);
+     if (mem == (void *)-1) {
+@@ -263,7 +264,9 @@
+       mem = (char *)mem + fill;
+     }
+   }
+-  else {
++  else
++#endif
++  {
+     state = MAP_PRIVATE;
+ #ifdef MAP_FILE
+     state |= MAP_FILE;
+@@ -937,12 +940,15 @@
+     }
+   }
+   
++#if 0
+   if (BIT_IS_SET(flags, MPOOL_FLAG_USE_SBRK)) {
+     mp.mp_fd = -1;
+     mp.mp_addr = NULL;
+     mp.mp_top = 0;
+   }
+-  else {
++  else
++#endif
++  {
+     /* open dev-zero for our mmaping */
+     mp.mp_fd = open("/dev/zero", O_RDWR, 0);
+     if (mp.mp_fd < 0) {