From a6a10e4a1f47cec9ce6dd9a6a2392d97d0dc5015 Mon Sep 17 00:00:00 2001
From: Kevin <kevin.d.keogh@gmail.com>
Date: Sun, 23 Jul 2017 20:16:07 -0400
Subject: [PATCH] Fix help option and remove linker option from makefile

---
 Makefile         | 8 ++++----
 src/opt-pricer.c | 5 +++--
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index 1dfdcf9..8d7f4fa 100644
--- a/Makefile
+++ b/Makefile
@@ -4,16 +4,16 @@ LDFLAGS=-lm
 PREFIX= /usr/local
 
 opt-pricer : src/opt-pricer.c gbm.o black_scholes.o utils.o
-	@$(CC) $(CFLAGS) $^ $(LDFLAGS) -o $@
+	@$(CC) $(CFLAGS) $^ -o $@
 
 gbm.o : src/gbm_mc.c
-	@$(CC) $(CFLAGS) -c $^ $(LDFLAGS) -o $@
+	@$(CC) $(CFLAGS) -c $^ -o $@
 
 black_scholes.o : src/black_scholes.c
-	@$(CC) $(CFLAGS) -c $^ $(LDFLAGS) -o $@
+	@$(CC) $(CFLAGS) -c $^ -o $@
 
 utils.o : src/utils.c
-	@$(CC) $(CFLAGS) -c $^ $(LDFLAGS) -o $@
+	@$(CC) $(CFLAGS) -c $^ -o $@
 
 .PHONY: install
 install : opt-pricer
diff --git a/src/opt-pricer.c b/src/opt-pricer.c
index bdfecdf..5c68263 100644
--- a/src/opt-pricer.c
+++ b/src/opt-pricer.c
@@ -34,7 +34,7 @@ static struct helptext options[] = {
 	 "Call flag"},
 	{"-p, --put",
 	 "Put or call flag"},
-	{"-h",
+	{"-h, --help",
 	 "This help text"},
 	{ NULL , NULL }
 };
@@ -49,6 +49,7 @@ static struct option long_options[] = {
 	{"expiry-date",		required_argument,	0,	'e'},
 	{"call",		no_argument,		0,	'c'},
 	{"put",			no_argument,		0,	'p'},
+	{"help",		no_argument,		0,	'h'},
 	{0, 0, 0, 0}
 };
 
@@ -78,7 +79,7 @@ int main(int argc, char *argv[])
 	memset(&expiry, 0, sizeof(expiry));
 	memset(&value, 0, sizeof(value));
 
-	while ((opt = getopt_long(argc, argv, "s:k:r:v:d:e:N:cp", long_options, &option_index)) != -1) {
+	while ((opt = getopt_long(argc, argv, "s:k:r:v:d:e:N:cp:h", long_options, &option_index)) != -1) {
 		switch (opt) {
 		case 's':
 			if (sscanf(optarg, "%lf", &spot) == EOF) {