3 files changed, 10 insertions, 6 deletions

diff --git a/.gitignore b/.gitignore
index 1063b25..7353963 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@
 *.o
 CARDS.DLL
 SOL.EXE
+config.mk
 dump
 freecell
 sol
diff --git a/Makefile b/Makefile
index 939549e..c2457d3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,11 +1,6 @@
 CFLAGS += -std=c99 -Wall -Wextra -Wpedantic
 
-SDL2_PREFIX = /usr/local
-CFLAGS += -I$(SDL2_PREFIX)/include/SDL2
-LDFLAGS += -L$(SDL2_PREFIX)/lib
-LDLIBS = -lSDL2
-
--include config.mk
+include config.mk
 
 BINS = dump freecell sol
 
diff --git a/configure b/configure
new file mode 100755
index 0000000..ba1718c
--- /dev/null
+++ b/configure
@@ -0,0 +1,8 @@
+#!/bin/sh
+set -eu
+cflags=$(pkg-config --cflags sdl2)
+ldlibs=$(pkg-config --libs sdl2)
+cat > config.mk << EOF
+CFLAGS += ${cflags}
+LDLIBS += ${ldlibs}
+EOF