File 2015-esock-Add-configure-test-for-ifmap.patch of Package erlang

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File 2015-esock-Add-configure-test-for-ifmap.patch of Package erlang (Revision e1d9f9ddd7c311230c84f439253a9ab8)

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From 4ac7a2c9c115593df4280b082ebb536fe924f606 Mon Sep 17 00:00:00 2001
From: Micael Karlberg <bmk@erlang.org>
Date: Wed, 27 Oct 2021 18:25:52 +0200
Subject: [PATCH 15/58] [esock] Add configure test for ifmap

OTP-17528
---
 erts/config.h.in  |  6 ++++++
 erts/configure    | 18 ++++++++++++++++++
 erts/configure.in |  9 +++++++++
 3 files changed, 33 insertions(+)

diff --git a/erts/config.h.in b/erts/config.h.in
index afdb89d5cc..86af73fb4f 100644
--- a/erts/config.h.in
+++ b/erts/config.h.in
@@ -83,6 +83,9 @@
 /* ESOCK counter size */
 #undef ESOCK_COUNTER_SIZE
 
+/* Interface map supported */
+#undef ESOCK_USE_IFMAP
+
 /* Use SO_[RCV|SND]TMIEO */
 #undef ESOCK_USE_RCVSNDTIMEO
 
@@ -983,6 +986,9 @@
 /* Define to 1 if `ifr_hwaddr' is a member of `struct ifreq'. */
 #undef HAVE_STRUCT_IFREQ_IFR_HWADDR
 
+/* Define to 1 if `ifr_map' is a member of `struct ifreq'. */
+#undef HAVE_STRUCT_IFREQ_IFR_MAP
+
 /* Define to 1 if `assoc_id' is a member of `struct sctp_accoc_value'. */
 #undef HAVE_STRUCT_SCTP_ACCOC_VALUE_ASSOC_ID
 
diff --git a/erts/configure b/erts/configure
index 85a3e20a05..bfc356baed 100755
--- a/erts/configure
+++ b/erts/configure
@@ -14102,6 +14102,24 @@ $as_echo "#define ESOCK_USE_SOCKET_REGISTRY 1" >>confdefs.h
 fi
 
 
+ac_fn_c_check_member "$LINENO" "struct ifreq" "ifr_map" "ac_cv_member_struct_ifreq_ifr_map" "#ifdef __WIN32__
+	 #else
+	 #include <net/if.h>
+	 #endif
+
+"
+if test "x$ac_cv_member_struct_ifreq_ifr_map" = xyes; then :
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_STRUCT_IFREQ_IFR_MAP 1
+_ACEOF
+
+
+$as_echo "#define ESOCK_USE_IFMAP /**/" >>confdefs.h
+
+fi
+
+
 
 #--------------------------------------------------------------------
 #	Check for the existence of the -lsocket and -lnsl libraries.
diff --git a/erts/configure.in b/erts/configure.in
index d8ad6ff552..d0c7376b0e 100644
--- a/erts/configure.in
+++ b/erts/configure.in
@@ -1475,6 +1475,15 @@ AS_IF([test "x$enable_esock_socket_registry" = "xno"], [
         [Use socket registry by default])])
 
 
+AC_CHECK_MEMBERS([struct ifreq.ifr_map],
+        [AC_DEFINE(ESOCK_USE_IFMAP, [], [Interface map supported])],
+	[],
+	[#ifdef __WIN32__
+	 #else
+	 #include <net/if.h>
+	 #endif
+	])
+
 
 dnl
 dnl This test kindly borrowed from Tcl
-- 
2.31.1

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File 2015-esock-Add-configure-test-for-ifmap.patch of Package erlang (Revision e1d9f9ddd7c311230c84f439253a9ab8)

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