[sr-dev] git:5.5:0afcccdc: src/Makefile.defs: link -lrt if glibc <= 2.17

[Daniel-Constantin Mierla]

Module: kamailio
Branch: 5.5
Commit: 0afcccdc46950c5b4a49024e2092ab712ba6be94
URL: https://github.com/kamailio/kamailio/commit/0afcccdc46950c5b4a49024e2092ab712ba6be94

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2021-12-16T08:27:31+01:00

src/Makefile.defs: link -lrt if glibc <= 2.17

- GH #2921

(cherry picked from commit 743a9d33dcc3a6220bba217c14810dafb53355b2)

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Modified: src/Makefile.defs

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Diff:  https://github.com/kamailio/kamailio/commit/0afcccdc46950c5b4a49024e2092ab712ba6be94.diff
Patch: https://github.com/kamailio/kamailio/commit/0afcccdc46950c5b4a49024e2092ab712ba6be94.patch

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diff --git a/src/Makefile.defs b/src/Makefile.defs
index 82b8751e2e..ab3d6b7e27 100644
--- a/src/Makefile.defs
+++ b/src/Makefile.defs
@@ -1886,6 +1886,13 @@ ifeq ($(OS), linux)
 	ifeq ($(NO_SELECT),)
 		C_DEFS+=-DHAVE_SELECT
 	endif
+	ifeq ($(CC_NAME), gcc)
+		# link librt for glibc <= 2.17
+		GLIBCVER:=$(shell ldd --version | head -1 | awk '{ sub(/\./, "", $NF); print $NF }' )
+		ifeq ($(shell [ $(GLIBCVER) -le 217 ] && echo librt), librt)
+			LIBS+=-lrt
+		endif
+	endif
 endif
 
 ifeq ($(OS), gnu_kfreebsd)