diff --git a/sdk_container/src/third_party/portage-stable/net-analyzer/openbsd-netcat/openbsd-netcat-1.218_p5.ebuild b/sdk_container/src/third_party/portage-stable/net-analyzer/openbsd-netcat/openbsd-netcat-1.218_p5.ebuild
index c2ded97447..6de6a58516 100644
--- a/sdk_container/src/third_party/portage-stable/net-analyzer/openbsd-netcat/openbsd-netcat-1.218_p5.ebuild
+++ b/sdk_container/src/third_party/portage-stable/net-analyzer/openbsd-netcat/openbsd-netcat-1.218_p5.ebuild
@@ -1,4 +1,4 @@
-# Copyright 1999-2023 Gentoo Authors
+# Copyright 1999-2024 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -47,7 +47,8 @@ src_prepare() {
 }
 
 src_compile() {
-	emake CC="$(tc-getCC)" CFLAGS="${CFLAGS}" LDFLAGS="${LDFLAGS}"
+	# gnu99 for bug #943711
+	emake CC="$(tc-getCC) -std=gnu99" CFLAGS="${CFLAGS}" LDFLAGS="${LDFLAGS}"
 }
 
 src_install() {
diff --git a/sdk_container/src/third_party/portage-stable/net-analyzer/openbsd-netcat/openbsd-netcat-1.219_p1.ebuild b/sdk_container/src/third_party/portage-stable/net-analyzer/openbsd-netcat/openbsd-netcat-1.219_p1.ebuild
index d07c4bf17e..3b971fe911 100644
--- a/sdk_container/src/third_party/portage-stable/net-analyzer/openbsd-netcat/openbsd-netcat-1.219_p1.ebuild
+++ b/sdk_container/src/third_party/portage-stable/net-analyzer/openbsd-netcat/openbsd-netcat-1.219_p1.ebuild
@@ -47,7 +47,8 @@ src_prepare() {
 }
 
 src_compile() {
-	emake CC="$(tc-getCC)" CFLAGS="${CFLAGS}" LDFLAGS="${LDFLAGS}" PKG_CONFIG="$(tc-getPKG_CONFIG)"
+	# gnu99 for bug #943711
+	emake CC="$(tc-getCC) -std=gnu99" CFLAGS="${CFLAGS}" LDFLAGS="${LDFLAGS}" PKG_CONFIG="$(tc-getPKG_CONFIG)"
 }
 
 src_install() {