From 30d9711f860351eedbc80edaf513c18ea9c6dd28 Mon Sep 17 00:00:00 2001
From: Tomasz Kramkowski <tk@the-tk.com>
Date: Mon, 26 Apr 2021 11:45:54 +0100
Subject: configure: Some cleanup

---
 configure | 43 +++++++++++++++++++++----------------------
 1 file changed, 21 insertions(+), 22 deletions(-)

diff --git a/configure b/configure
index 2fa53e6..0943cd2 100755
--- a/configure
+++ b/configure
@@ -4,30 +4,29 @@ libs=(luajit sdl2 pangoft2)
 CFLAGS+=(-std=c11 -fPIC)
 LDFLAGS+=(-shared)
 
-usage () {
-	echo "Usage: $0 [-h|options...]"
-}
+usage () { echo "Usage: $0 [-h|options...]"; }
+
 help () {
-	echo "Options:"
-	echo "  -B ldlib    Append ldlib to LDLIBS"
-	echo "  -C cflag    Append cflag to CFLAGS"
-	echo "  -L ldflag   Append ldflag to LDFLAGS"
-	echo "  -P cppflag  Append cppflag to CPPFLAGS"
-	echo "  -c when     Enable compiler colours (always|auto|off) [default: auto]"
-	echo "  -d          Enable debugging flags"
-	echo "  -e          Enable -Werror"
-	echo "  -h          Show this help"
-	echo "  -o          Enable optimisation flags"
-	echo "  -v          Print results of configuration"
-	echo "  -w          Enable warning flags"
-	echo "Environment:"
-	echo "  CC          C compiler"
-	echo "  PKG_CONFIG  pkg-config"
+	cat <<EOF
+Options:
+  -B ldlib    Append ldlib to LDLIBS
+  -C cflag    Append cflag to CFLAGS
+  -L ldflag   Append ldflag to LDFLAGS
+  -P cppflag  Append cppflag to CPPFLAGS
+  -c when     Enable compiler colours (always|auto|off) [default: auto]
+  -d          Enable debugging flags
+  -e          Enable -Werror
+  -h          Show this help
+  -o          Enable optimisation flags
+  -v          Print results of configuration
+  -w          Enable warning flags
+Environment:
+  CC          C compiler
+  PKG_CONFIG  pkg-config
+EOF
 }
 
-exists() {
-	command -v "$1" >/dev/null 2>&1
-}
+exists() { command -v "$1" >/dev/null 2>&1; }
 
 check() {
 	what=$1
@@ -76,7 +75,7 @@ while getopts B:C:L:P:c:dehovw opt; do
 	?) usage >&2; exit 1;;
 	esac
 done
-if [[ $colour == auto ]] && exists tput && (( $(tput colors) >= 8 )); then
+if [[ $colour == auto && -t 1 ]]; then
 	colour=always
 fi
 if [[ $colour == always ]]; then
-- 
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