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-rw-r--r--src/lib/netlist/nl_setup.cpp2
-rw-r--r--src/lib/netlist/plib/putil.h2
-rw-r--r--src/lib/netlist/solver/nld_solver.cpp2
3 files changed, 3 insertions, 3 deletions
diff --git a/src/lib/netlist/nl_setup.cpp b/src/lib/netlist/nl_setup.cpp
index 1b0835d8cdc..adefdf96452 100644
--- a/src/lib/netlist/nl_setup.cpp
+++ b/src/lib/netlist/nl_setup.cpp
@@ -775,7 +775,7 @@ void setup_t::resolve_inputs()
void setup_t::start_devices()
{
- pstring env = plib::util::environment("NL_LOGS");
+ pstring env = plib::util::environment("NL_LOGS", "");
if (env != "")
{
diff --git a/src/lib/netlist/plib/putil.h b/src/lib/netlist/plib/putil.h
index 9e79e958927..728a475dd28 100644
--- a/src/lib/netlist/plib/putil.h
+++ b/src/lib/netlist/plib/putil.h
@@ -18,7 +18,7 @@ namespace plib
namespace util
{
const pstring buildpath(std::initializer_list<pstring> list );
- const pstring environment(const pstring &var, const pstring &default_val = "");
+ const pstring environment(const pstring &var, const pstring &default_val);
}
namespace container
diff --git a/src/lib/netlist/solver/nld_solver.cpp b/src/lib/netlist/solver/nld_solver.cpp
index d1f3bcc4eb8..12297dbd237 100644
--- a/src/lib/netlist/solver/nld_solver.cpp
+++ b/src/lib/netlist/solver/nld_solver.cpp
@@ -275,7 +275,7 @@ void NETLIB_NAME(solver)::post_start()
//m_params.m_max_timestep = std::max(m_params.m_max_timestep, m_params.m_max_timestep::)
// Override log statistics
- pstring p = plib::util::environment("NL_STATS");
+ pstring p = plib::util::environment("NL_STATS", "");
if (p != "")
m_params.m_log_stats = p.as_long();
else