From 5879337bb6905540a8f0797aa1b084b9cdc1d9fa Mon Sep 17 00:00:00 2001
From: TwoFinger <Two-Finger@users.noreply.github.com>
Date: Tue, 9 Jan 2018 22:18:25 +0200
Subject: build: use pkg-config to find lpeg

---
 configure | 22 ++++++++++++++++++----
 1 file changed, 18 insertions(+), 4 deletions(-)

(limited to 'configure')

diff --git a/configure b/configure
index 25059f1..9b867cd 100755
--- a/configure
+++ b/configure
@@ -509,11 +509,25 @@ EOF
 		$LDFLAGS $LDFLAGS_LUA $LDFLAGS_LPEG -o "$tmpo" >/dev/null 2>&1 ; then
 		CONFIG_LPEG=1
 		printf "yes\n"
-		break
 	else
-		printf "no\n"
-		CFLAGS_LPEG=""
-		LDFLAGS_LPEG=""
+		for liblpeg in lua5.3-lpeg lua5.2-lpeg; do
+			printf "\n checking for %s... " "$liblpeg"
+			if test "$have_pkgconfig" = "yes" ; then
+				CFLAGS_LPEG=$(pkg-config --cflags $liblpeg 2>/dev/null)
+				LDFLAGS_LPEG=$(pkg-config --libs $liblpeg 2>/dev/null)
+			fi
+
+			if $CC $CFLAGS $CFLAGS_LUA $CFLAGS_LPEG "$tmpc" \
+				$LDFLAGS $LDFLAGS_LUA $LDFLAGS_LPEG -o "$tmpo" >/dev/null 2>&1 ; then
+				CONFIG_LPEG=1
+				printf "yes\n"
+				break
+			else
+				printf "no"
+				CFLAGS_LPEG=""
+				LDFLAGS_LPEG=""
+			fi
+		done
 	fi
 
 	test "$lpeg" = "yes" -a $CONFIG_LPEG -ne 1 && fail "$0: cannot find liblpeg"
-- 
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