1 files changed, 28 insertions, 0 deletions
diff --git a/autogen.sh b/autogen.sh
index bbb4008..9b13ad9 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -1,3 +1,31 @@
 #!/bin/sh
 
+if command -v hall &>/dev/null; then
+    hall build -x
+fi
+
+command -v autoreconf &>/dev/null
+HAS_AUTORECONF=$?
+command -v autoconf &>/dev/null
+HAS_AUTOCONF=$?
+command -v automake &>/dev/null
+HAS_AUTOMAKE=$?
+command -v make &>/dev/null
+HAS_MAKE=$?
+command -v guile &>/dev/null
+HAS_GUILE=$?
+
+if ! [ $HAS_AUTORECONF = 0 \
+       -a $HAS_AUTOCONF = 0 \
+       -a $HAS_AUTOMAKE = 0 \
+       -a $HAS_MAKE = 0 \
+       -a $HAS_GUILE = 0 ]
+then
+    echo "A build system consisting at least of GNU Autotools,"
+    echo "guile 3, and make is required for building reading-heap."
+    echo ""
+    echo "Please install these and try again."
+    exit 1;
+fi
+
 autoreconf --install || exit 1