Add a pre-install target which checks for conflicting shared

libraries left over from other Modula-3 ports.

1 files changed, 15 insertions, 0 deletions

diff --git a/lang/ezm3/scripts/check_conflicts b/lang/ezm3/scripts/check_conflicts
new file mode 100644
index 000000000000..0610f783f80e
--- /dev/null
+++ b/lang/ezm3/scripts/check_conflicts
@@ -0,0 +1,15 @@
+#! /bin/sh
+# Check for shared libraries left over from another Modula-3 port.
+
+libdir=${PREFIX}/lib/m3/${TARGET}
+
+case "`echo ${libdir}/lib*.so*`" in
+"${libdir}/lib*.so*")
+    exit 0;;
+*)
+    echo ""
+    echo "You have some Modula-3 shared libraries in ${libdir}"
+    echo "which conflict with ezm3.  Please use pkg_delete to remove other"
+    echo "versions of Modula-3, such as \"modula-3*\" and \"pm3-*\"."
+    exit 1;;
+esac