From 0821422f0282d81ca1927ce5b82cecc67a72f3b5 Mon Sep 17 00:00:00 2001
From: Leonhard Gruenschloss <leonhard@gruenschloss.org>
Date: Mon, 4 Oct 2021 11:24:51 +1100
Subject: [PATCH] Use gnu99 instead of c99, as strdup is not part of C99

---
 config.mk | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/config.mk b/config.mk
index dfbc161..841c8fe 100755
--- a/config.mk
+++ b/config.mk
@@ -151,7 +151,9 @@ CPPFLAGS += -DLOCAL_BUILD
 CPPFLAGS += -D'DRAGEN_OS_VERSION="$(DRAGEN_OS_VERSION)"' 
 CPPFLAGS += -DVERSION_STRING="$(VERSION_STRING)"
 CXXFLAGS?=-std=c++11
-CFLAGS?=-std=c99 
+# Use gnu99 instead of c99, as strdup is not part of C99:
+# https://stackoverflow.com/questions/26284110/strdup-confused-about-warnings-implicit-declaration-makes-pointer-with
+CFLAGS?=-std=gnu99 
 LDFLAGS?=
 
 ifneq (,$(BOOST_INCLUDEDIR))