X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=config%2Famanda%2Fas_needed.m4;fp=config%2Famanda%2Fas_needed.m4;h=a51a99160497661d846b4af9048bef3cf5894bcb;hb=538ae376635af705ebcd686f3b4b7b72a6652985;hp=0000000000000000000000000000000000000000;hpb=11425c69eb58b6103beb68adc13912735ba36975;p=debian%2Famanda

diff --git a/config/amanda/as_needed.m4 b/config/amanda/as_needed.m4
new file mode 100644
index 0000000..a51a991
--- /dev/null
+++ b/config/amanda/as_needed.m4
@@ -0,0 +1,25 @@
+# SYNOPSIS
+#
+#   AMANDA_AS_NEEDED
+#
+# OVERVIEW
+#   Add --as-needed ld flag to LD_FLAGS except when using readline. On
+#   some platforms, readline does not correctly advertise it's requirements,
+#   causing ld errors.  In Amanda, readline is used by amrecover/amoldrecover.
+#
+AC_DEFUN([AMANDA_AS_NEEDED], [
+    AC_ARG_ENABLE([as-needed],
+	AS_HELP_STRING([--enable-as-needed],
+		       [enable use od --as-needed linker flag]),
+	[ WANT_AS_NEEDED=$enableval ], [ WANT_AS_NEEDED=no ])
+
+    AM_CONDITIONAL([WANT_AS_NEEDED], [test x"$WANT_AS_NEEDED" = x"yes"])
+
+    if test x"$WANT_AS_NEEDED" = x"yes"; then
+	AS_NEEDED_FLAGS="-Wl,--as-needed"
+    else
+	AS_NEEDED_FLAGS=""
+    fi
+    AC_SUBST(AS_NEEDED_FLAGS)
+])
+