From 76eb783a048d9e685a512a8cf68a7aefcb065fee Mon Sep 17 00:00:00 2001
From: Jeremy Baxter <jeremy@baxters.nz>
Date: Fri, 2 Aug 2024 20:02:21 +1200
Subject: [PATCH] configure: accept a full path to the D compiler

---
 configure | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/configure b/configure
index cd4de31..8e2f82a 100755
--- a/configure
+++ b/configure
@@ -33,8 +33,10 @@ gen_DC () {
 	fi
 	if present ldc2; then
 		dc=ldc2
+		dcname="$dc"
 	elif present dmd; then
 		dc=dmd
+		dcname="$dc"
 	else
 		throw "D compiler not found; install LDC or DMD"
 	fi
@@ -45,13 +47,13 @@ gen_DC () {
 ## flags used in the compilation step
 gen_CFLAGS () {
 	if [ -z "$debug" ]; then
-		case "$dc" in
+		case "$dcname" in
 			ldc2) cflags="-Oz";;
 			 dmd) cflags="-O";;
 		 esac
 	else
 		cflags="-g"
-		case "$dc" in
+		case "$dcname" in
 			ldc2) cflags="$cflags -O0 -d-debug";;
 			 dmd) cflags="$cflags -debug";;
 		esac
@@ -64,7 +66,7 @@ gen_CFLAGS () {
 
 ## flags used in the linking step
 gen_LDFLAGS () {
-	if [ "$dc" = ldc2 ]; then
+	if [ "$dcname" = ldc2 ]; then
 		if present ld.lld; then
 			ldflags="-linker=lld"
 		elif present ld.gold; then
@@ -86,10 +88,11 @@ gen_LDFLAGS () {
 while getopts c:dhr ch; do
 	case "$ch" in
 		c)
-			case "$OPTARG" in
-				ldc2) dc="ldc2" ;;
-				dmd)  dc="dmd"  ;;
-				*) throw "unknown D compiler '$OPTARG' specified (valid options: ldc2, dmd)" ;;
+			dcname="$(basename "$OPTARG")"
+			case "$dcname" in
+				ldc2) dc="$OPTARG" ;;
+				dmd)  dc="$OPTARG" ;;
+				*) throw "unknown D compiler '$dcname' specified (valid options: ldc2, dmd)" ;;
 			esac
 			;;
 		d) debug=1 ;;