From 9435d29596b00e0b085170c5fbf8706008b60c00 Mon Sep 17 00:00:00 2001
From: Martin Reinecke <martin@mpa-garching.mpg.de>
Date: Mon, 4 Mar 2019 09:54:38 +0100
Subject: [PATCH] add library versioning

---
 Makefile.am | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Makefile.am b/Makefile.am
index 94ded11..4eb08c6 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -16,6 +16,14 @@ libsharp_la_SOURCES = \
   libsharp/sharp_vecsupport.h \
   libsharp/sharp_ylmgen_c.h
 
+# format is "current:revision:age"
+# any change: increase revision
+# any interface change: increase current, revision=0
+# any backward-compatible change: increase age
+# any backward-incompatible change: age=0
+# ==> age <= current
+libsharp_la_LDFLAGS = -version-info 0:0:0
+
 AM_CFLAGS = @AM_CFLAGS@
 
 if HAVE_MULTIARCH