1 files changed, 48 insertions, 6 deletions
diff --git a/configure.ac b/configure.ac
index 5e1a5e14a1..08a850cfa2 100644
--- a/configure.ac
+++ b/configure.ac
@@ -148,7 +148,8 @@ AC_ARG_ENABLE([extended-functional-tests],
     [use_extended_functional_tests=no])
 
 AC_ARG_ENABLE([fuzz],
-    AS_HELP_STRING([--enable-fuzz],[enable building of fuzz targets (default no)]),
+    AS_HELP_STRING([--enable-fuzz],
+    [enable building of fuzz targets (default no). enabling this will disable all other targets]),
     [enable_fuzz=$enableval],
     [enable_fuzz=no])
 
@@ -925,6 +926,29 @@ if test x$use_reduce_exports = xyes; then
   [AC_MSG_ERROR([Cannot set default symbol visibility. Use --disable-reduce-exports.])])
 fi
 
+AC_MSG_CHECKING([for std::system])
+AC_LINK_IFELSE(
+    [ AC_LANG_PROGRAM(
+        [[ #include <cstdlib> ]],
+        [[ int nErr = std::system(""); ]]
+    )],
+    [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_STD__SYSTEM, 1, Define to 1 if you have the `std::system' function.)],
+    [ AC_MSG_RESULT(no) ]
+)
+
+AC_MSG_CHECKING([for ::_wsystem])
+AC_LINK_IFELSE(
+    [ AC_LANG_PROGRAM(
+        [[ ]],
+        [[ int nErr = ::_wsystem(""); ]]
+    )],
+    [ AC_MSG_RESULT(yes); AC_DEFINE(HAVE_WSYSTEM, 1, Define to 1 if you have the `::wsystem' function.)],
+    [ AC_MSG_RESULT(no) ]
+)
+
+# Define to 1 if std::system or ::wsystem (Windows) is available
+AC_DEFINE([HAVE_SYSTEM], [HAVE_STD__SYSTEM || HAVE_WSYSTEM], [std::system or ::wsystem])
+
 LEVELDB_CPPFLAGS=
 LIBLEVELDB=
 LIBMEMENV=
@@ -933,6 +957,29 @@ AC_SUBST(LEVELDB_CPPFLAGS)
 AC_SUBST(LIBLEVELDB)
 AC_SUBST(LIBMEMENV)
 
+dnl enable-fuzz should disable all other targets
+if test "x$enable_fuzz" = "xyes"; then
+  AC_MSG_WARN(enable-fuzz will disable all other targets)
+  build_bitcoin_utils=no
+  build_bitcoin_cli=no
+  build_bitcoin_tx=no
+  build_bitcoin_wallet=no
+  build_bitcoind=no
+  build_bitcoin_libs=no
+  bitcoin_enable_qt=no
+  bitcoin_enable_qt_test=no
+  bitcoin_enable_qt_dbus=no
+  enable_wallet=no
+  use_bench=no
+  use_upnp=no
+  use_zmq=no
+else
+  BITCOIN_QT_INIT
+
+  dnl sets $bitcoin_enable_qt, $bitcoin_enable_qt_test, $bitcoin_enable_qt_dbus
+  BITCOIN_QT_CONFIGURE([$use_pkgconfig])
+fi
+
 if test x$enable_wallet != xno; then
     dnl Check for libdb_cxx only if wallet enabled
     BITCOIN_FIND_BDB48
@@ -947,11 +994,6 @@ if test x$use_upnp != xno; then
   )
 fi
 
-BITCOIN_QT_INIT
-
-dnl sets $bitcoin_enable_qt, $bitcoin_enable_qt_test, $bitcoin_enable_qt_dbus
-BITCOIN_QT_CONFIGURE([$use_pkgconfig])
-
 if test x$build_bitcoin_wallet$build_bitcoin_cli$build_bitcoin_tx$build_bitcoind$bitcoin_enable_qt$use_tests$use_bench = xnonononononono; then
     use_boost=no
 else