From aec51ef7aee483cc5bf16844bdbacb1c70619f15 Mon Sep 17 00:00:00 2001
From: Petr Tesarik <ptesarik@suse.com>
Date: Wed, 20 Jun 2018 11:50:19 +0200
Subject: [PATCH 2/2] [PATCH 2/2] Check if clock_gettime() requires -lrt

For glibc versions before 2.17, clock_gettime() was contained in a
separate library and required linking with -lrt.

Signed-off-by: Petr Tesarik <ptesarik@suse.com>
---
 Makefile | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/makedumpfile-1.6.2/Makefile b/makedumpfile-1.6.2/Makefile
index 612b9d0..142a387 100644
--- a/makedumpfile-1.6.2/Makefile
+++ b/makedumpfile-1.6.2/Makefile
@@ -68,6 +68,18 @@ endif
 
 LIBS := -lpthread $(LIBS)
 
+try-run = $(shell set -e;		\
+	TMP=".$$$$.tmp";		\
+	if ($(1)) >/dev/null 2>&1;	\
+	then echo "$(2)";		\
+	else echo "$(3)";		\
+	fi;				\
+	rm -f "$$TMP")
+
+LINK_TEST_PROG="int clock_gettime(); int main(){ return clock_gettime(); }"
+LIBS := $(LIBS) $(call try-run,\
+	echo $(LINK_TEST_PROG) | $(CC) $(CFLAGS) -o "$$TMP" -x c -,,-lrt)
+
 all: makedumpfile
 
 $(OBJ_PART): $(SRC_PART)
-- 
2.9.5