From 413cb59e22339901cbd7525e1c91c7ae8b1e16c5 Mon Sep 17 00:00:00 2001
From: Francis Dupont <fdupont@isc.org>
Date: Wed, 26 Sep 2018 00:21:37 +0200
Subject: [PATCH] [137-improve-kea-compilation-time-2] Second try

---
 configure.ac     | 4 +++-
 kea_version.h.in | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)
 create mode 100644 kea_version.h.in

diff --git a/configure.ac b/configure.ac
index 6cc5a1e6d0..611830cf59 100644
--- a/configure.ac
+++ b/configure.ac
@@ -47,7 +47,8 @@ fi
 # horribly. When building different branches, the commit-id is different
 # and since the config.h is included in most files *and* has a different
 # content, ccache can't use cached content and thus has to do full compilation.
-echo "#define EXTENDED_VERSION \"${KEA_SRCID}\"" > kea_version.h
+# Now it is in kea_version.h and config.status substitutes it.
+AC_SUBST(KEA_SRCID)
 
 # Find a separator for path_replacer
 for sep in "+" "," ";" "&" "__NONE__"; do
@@ -1463,6 +1464,7 @@ AC_CONFIG_FILES([Makefile
                  doc/version.ent
                  ext/Makefile
                  ext/gtest/Makefile
+                 kea_version.h
                  m4macros/Makefile
                  src/Makefile
                  src/bin/Makefile
diff --git a/kea_version.h.in b/kea_version.h.in
new file mode 100644
index 0000000000..67da352047
--- /dev/null
+++ b/kea_version.h.in
@@ -0,0 +1 @@
+#define EXTENDED_VERSION "@KEA_SRCID@"
-- 
2.26.2