[tepl] amtk: separate libtool version

[Sébastien Wilmet <swilmet src gnome org>]

commit 6abe0129151fe3fe865264ac7182398943a2fb58
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sat Jul 15 14:34:57 2017 +0200

    amtk: separate libtool version

 amtk/Makefile.am |    2 +-
 configure.ac     |    8 +++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)
---
diff --git a/amtk/Makefile.am b/amtk/Makefile.am
index 6172b1a..2638a43 100644
--- a/amtk/Makefile.am
+++ b/amtk/Makefile.am
@@ -59,7 +59,7 @@ libamtk_@TEPL_API_VERSION@_la_LIBADD =        \
        $(AMTK_DEP_LIBS)
 
 libamtk_@TEPL_API_VERSION@_la_LDFLAGS =                \
-       -version-info $(TEPL_LT_VERSION)        \
+       -version-info $(AMTK_LT_VERSION)        \
        -no-undefined                           \
        -export-symbols-regex "^amtk_.*"        \
        $(WARN_LDFLAGS)
diff --git a/configure.ac b/configure.ac
index 0d44862..4c40954 100644
--- a/configure.ac
+++ b/configure.ac
@@ -34,11 +34,17 @@ AX_IS_RELEASE([git-directory])
 # When incrementing the API version (usually for a new major package version),
 # set CURRENT, REVISION and AGE to 0 since it's like a new library.
 
+AMTK_LT_CURRENT=0
+AMTK_LT_REVISION=0
+AMTK_LT_AGE=0
+AMTK_LT_VERSION="$AMTK_LT_CURRENT:$AMTK_LT_REVISION:$AMTK_LT_AGE"
+AC_SUBST([AMTK_LT_VERSION])
+
 TEPL_LT_CURRENT=0
 TEPL_LT_REVISION=0
 TEPL_LT_AGE=0
 TEPL_LT_VERSION="$TEPL_LT_CURRENT:$TEPL_LT_REVISION:$TEPL_LT_AGE"
-AC_SUBST(TEPL_LT_VERSION)
+AC_SUBST([TEPL_LT_VERSION])
 
 # API version, used for parallel installability.
 # Not used in: