From 54b56210ad5e2a8a8be5ba3accb2aeeac89aec0c Mon Sep 17 00:00:00 2001
From: Florian Ebeling <florian.ebeling@gmail.com>
Date: Sat, 7 Feb 2015 15:30:32 +0100
Subject: [PATCH] Problem: curve keygen build cannot be switched off

---
 Makefile.am  | 2 ++
 configure.ac | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/Makefile.am b/Makefile.am
index 9a168dae..a0bc0185 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -282,10 +282,12 @@ perf_inproc_thr_LDADD = src/libzmq.la
 perf_inproc_thr_SOURCES = perf/inproc_thr.cpp
 endif
 
+if ENABLE_CURVE_KEYGEN
 bin_PROGRAMS = tools/curve_keygen
 
 tools_curve_keygen_LDADD = src/libzmq.la
 tools_curve_keygen_SOURCES = tools/curve_keygen.cpp
+endif
 
 #
 # tests
diff --git a/configure.ac b/configure.ac
index 2a7de1dc..f0102e9d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -354,6 +354,14 @@ AC_ARG_ENABLE([perf],
 
 AM_CONDITIONAL(ENABLE_PERF, test "x$zmq_enable_perf" = "xyes")
 
+# Conditionally build curve key generation tool
+AC_ARG_ENABLE([curve-keygen],
+    [AS_HELP_STRING([--enable-curve-keygen], [Build curve key-generation tool [default=yes].])],
+    [zmq_enable_curve_keygen=$enableval],
+    [zmq_enable_curve_keygen=yes])
+
+AM_CONDITIONAL(ENABLE_CURVE_KEYGEN, test "x$zmq_enable_curve_keygen" = "xyes")
+
 # Use c++ in subsequent tests
 AC_LANG_PUSH(C++)