Generate version numbers dynamically

This commit hooks the Makefile up to generate a FISH_BUILD_VERSION
symbol and kills off PACKAGE_VERSION in .cpp files.

It also modifies the tarball generation script to add the necessary
version file for releases.

1 files changed, 1 insertions, 1 deletions

diff --git a/env.cpp b/env.cpp
index ddb5d2c4..a99f1812 100644
--- a/env.cpp
+++ b/env.cpp
@@ -667,7 +667,7 @@ void env_init(const struct config_paths_t *paths /* or NULL */)
     /*
       Set up the version variables
     */
-    wcstring version = str2wcstring(PACKAGE_VERSION);
+    wcstring version = str2wcstring(FISH_BUILD_VERSION);
     env_set(L"version", version.c_str(), ENV_GLOBAL);
     env_set(L"FISH_VERSION", version.c_str(), ENV_GLOBAL);