From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sun, 9 Mar 2014 02:45:08 +0000 (+0000)
Subject: show git version in output
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=matchsticks-search.git;a=commitdiff_plain;h=33c2116932d26da928f87e70cb16c97358d8bf0c;hp=5bab6fc9666dfd922b4b705dc75fa81d2c1351f9

show git version in output
---

diff --git a/Makefile b/Makefile
index 96ede56..c8e179f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,5 @@
 CFLAGS += -Wall -Wwrite-strings -Wstrict-prototypes -g -O2 -std=gnu99
+CPPFLAGS += -DVERSION="\"`git-describe --tags --dirty=+`\""
 LC_CTYPE=C
 LDLIBS = -lpub -lglpk -lm
 
diff --git a/main.c b/main.c
index b02e98c..3fa6ad3 100644
--- a/main.c
+++ b/main.c
@@ -42,6 +42,10 @@
 
 #include <glpk.h>
 
+#ifndef VERSION
+#define VERSION "(unknown-version)"
+#endif
+
 /*
  * Algorithm.
  *
@@ -651,7 +655,7 @@ static void report(void) {
         continue;
       a[x][y] = min + glp_get_col_prim(best_prob, i);
     }
-    printf("%d into %d: min fragment %g\n", n, m, min);
+    printf("%d into %d: min fragment %g   [%s]\n", n, m, min, VERSION);
     for (i = 0; i < n; i++) {
       for (j = 0; j < m; j++) {
         if (a[i][j])