From b93fe31f7e0cde00b42e205f02d992674142633f Mon Sep 17 00:00:00 2001
From: David Seguin <davidseguin@live.ca>
Date: Sun, 17 Jun 2018 21:13:26 -0400
Subject: [PATCH] Integrate version number into makefile (fixes #6)

Running with --version relied on having a VERSION file in current
directory. Having the version number in the makefile ensures it
is built into the binary so that --version works all the time.
---
 Makefile           |  4 +++-
 VERSION            |  1 -
 src/ttysolitaire.c | 17 +++++------------
 3 files changed, 8 insertions(+), 14 deletions(-)
 delete mode 100644 VERSION

diff --git a/Makefile b/Makefile
index c17ccda..5440039 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,7 @@
+VERSION = 1.0.0
+
 CC     = gcc
-CFLAGS = -W -Wall -pedantic -ansi -std=c99 -g
+CFLAGS = -W -Wall -pedantic -ansi -std=c99 -g -DTS_VERSION=\"$(VERSION)\"
 
 LDFLAGS = -lncursesw
 
diff --git a/VERSION b/VERSION
deleted file mode 100644
index 3eefcb9..0000000
--- a/VERSION
+++ /dev/null
@@ -1 +0,0 @@
-1.0.0
diff --git a/src/ttysolitaire.c b/src/ttysolitaire.c
index b7091a1..cbc5442 100644
--- a/src/ttysolitaire.c
+++ b/src/ttysolitaire.c
@@ -8,6 +8,10 @@
 #include "keyboard.h"
 #include "common.h"
 
+#ifndef TS_VERSION
+#define TS_VERSION "n/a"
+#endif
+
 const char *program_name;
 struct game game;
 
@@ -123,16 +127,5 @@ void usage(const char *program_name) {
 }
 
 void version() {
-  FILE *version_file;
-  char version_string[6];
-
-  if (!(version_file = fopen("VERSION", "rb"))) {
-    tty_solitaire_generic_error(errno, __FILE__, __LINE__);
-  }
-  if (!fread(version_string, 1, 5, version_file)) {
-    // TODO: handle this.
-  }
-  version_string[5] = '\0';
-  printf("%s\n", version_string);
-  fclose(version_file);
+  printf("%s\n", TS_VERSION);
 }