From a764fdeb2fb7142ea4fe3e2724e5fb2a263f679c Mon Sep 17 00:00:00 2001
From: girst <girst@users.noreply.github.com>
Date: Mon, 21 Jan 2019 17:21:04 +0100
Subject: [PATCH] make Makefile portable

apparently, the "prerequisite name != target rule name" only works in
GNU make. symlinking sol.c to spider.c and changing the makefile works.
---
 Makefile  | 2 +-
 README.md | 7 +++++--
 spider.c  | 1 +
 3 files changed, 7 insertions(+), 3 deletions(-)
 create mode 120000 spider.c

diff --git a/Makefile b/Makefile
index 2e2122a..2a7925c 100644
--- a/Makefile
+++ b/Makefile
@@ -8,7 +8,7 @@ all: sol spider
 sol: sol.c sol.h schemes.h
 	$(CC) $(CFLAGS) -DKLONDIKE $< -o $@
 
-spider: sol.c sol.h schemes.h
+spider: spider.c sol.h schemes.h
 	$(CC) $(CFLAGS) -DSPIDER $< -o $@
 
 clean:
diff --git a/README.md b/README.md
index 242889e..57474e5 100644
--- a/README.md
+++ b/README.md
@@ -5,8 +5,6 @@ play klondike and spider solitaire in your unicode terminal.
 ## TODO
 
 ### P1
- * TODO: make portable (clang on FreeBSD)
-         makefile's `$<` refuses to work if prequisite name != target name
 ### P2
  * TODO: suggest moves (`h` => hint)
  * TODO: escape sequences (for real cursor keys)
@@ -65,6 +63,11 @@ play klondike and spider solitaire in your unicode terminal.
          as good as it's going to get, since we can't just not draw cards at all
  * DONE: 'join to here' command (should take longest chain available)
  * DONE: expose deal() seed for restarting the game
+ * DONE: make portable (clang on FreeBSD)
+         makefile's `$<` refuses to work if prequisite name != target name
+         Fix: 
+             ln -s sol.c. spider.c
+             sed -i 's/^spider: sol.c/spider: spider.c/' Makefile
 
 ## Notes
 
diff --git a/spider.c b/spider.c
new file mode 120000
index 0000000..a476b14
--- /dev/null
+++ b/spider.c
@@ -0,0 +1 @@
+sol.c
\ No newline at end of file
-- 
2.39.3