From 1e03f004047668e80ea4e1469addd0484ef48fbc Mon Sep 17 00:00:00 2001
From: Graydon Hoare <graydon@mozilla.com>
Date: Fri, 6 May 2011 11:21:51 -0700
Subject: Use #env to bake a git revision string into rustc's --version output.

---
 Makefile.in | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'Makefile.in')

diff --git a/Makefile.in b/Makefile.in
index 3daf9e8d..c32ac1e4 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -35,6 +35,14 @@ CFG_RUNTIME :=$(call CFG_LIB_NAME,rustrt)
 CFG_RUSTLLVM :=$(call CFG_LIB_NAME,rustllvm)
 CFG_STDLIB :=$(call CFG_LIB_NAME,std)
 
+# version-string calculation
+CFG_GIT_DIR := $(CFG_SRC_DIR).git
+CFG_VERSION := prerelease
+ifneq ($(wildcard $(CFG_GIT_DIR)),)
+    CFG_VERSION += $(shell git --git-dir=$(CFG_GIT_DIR) log -1 \
+                     --pretty=format:'(%h %ci)')
+endif
+
 ifdef CFG_OCAMLC_OPT
   $(info cfg: have ocaml native compiler)
   OPT=.opt
@@ -140,6 +148,7 @@ SREQ2 := stage2/rustc$(X) $(LREQ) stage3/glue.o stage3/$(CFG_STDLIB)
 ######################################################################
 
 export CFG_SRC_DIR
+export CFG_VERSION
 
 ######################################################################
 # Subprograms
-- 
cgit v1.2.3