diff --git a/data/win32/fldigi.nsi b/data/win32/fldigi.nsi
index 9a98d25b..63c3fb26 100644
--- a/data/win32/fldigi.nsi
+++ b/data/win32/fldigi.nsi
@@ -121,7 +121,6 @@ SectionEnd
         SectionIn RO
         SetOutPath $INSTDIR
         File "${FLDIGI_BINARY}"
-        File /nonfatal "${MINGWM_DLL}" "${PTW32_DLL}"
         !ifdef FLDIGI_LOCALE_DIR
 	    File /r "${FLDIGI_LOCALE_PATH}/${FLDIGI_LOCALE_DIR}"
         !endif
@@ -138,9 +137,6 @@ SectionEnd
         !endif
         SetOutPath $INSTDIR
         File "${FLARQ_BINARY}"
-!ifndef HAVE_FLDIGI
-        File /nonfatal "${MINGWM_DLL}" "${PTW32_DLL}"
-!endif
         StrCpy $WANT_FLARQ "true"
     SectionEnd
 !endif
@@ -215,8 +211,6 @@ Section "Uninstall"
     !ifdef HAVE_FLARQ
         Delete /REBOOTOK $INSTDIR\${FLARQ_BINARY}
     !endif
-    Delete /REBOOTOK $INSTDIR\${MINGWM_DLL}
-    Delete /REBOOTOK $INSTDIR\${PTW32_DLL}
     Delete /REBOOTOK $INSTDIR\uninstall.exe
 
     # Remove shortcuts, if any
diff --git a/scripts/mkhamlibstatic.sh b/scripts/mkhamlibstatic.sh
index d4b105c6..81f2b89f 100755
--- a/scripts/mkhamlibstatic.sh
+++ b/scripts/mkhamlibstatic.sh
@@ -13,7 +13,7 @@ if test "x$PKG_CONFIG" != "x"; then
 else
     hamlib_dir="${HAMLIB_LIBS#*-L}"
     hamlib_dir="${HAMLIB_LIBS%% *}"
-    if test "x$hamlib_dir" = "x"; then
+    if test "x$hamlib_dir" = "x"; then\
 	hamlib_dir=/usr/lib
     fi
 fi
diff --git a/scripts/mknsisinst.sh b/scripts/mknsisinst.sh
index a3bea219..a36d6b16 100755
--- a/scripts/mknsisinst.sh
+++ b/scripts/mknsisinst.sh
@@ -35,6 +35,8 @@ fldigi_bin=fldigi.exe
 flarq_name=Flarq
 flarq_bin=flarq.exe
 
+def=
+
 if test "x$WANT_FLDIGI" != "xyes" && test "x$WANT_FLARQ" != "xyes"; then
     echo "E: refusing to create empty installer" >&2
     exit 1
@@ -48,43 +50,6 @@ if test "x$WANT_FLARQ" = "xyes"; then
     def="$def -DHAVE_FLARQ -DFLARQ_NAME=$flarq_name -DFLARQ_BINARY=$flarq_bin -DFLARQ_VERSION=$FLARQ_VERSION"
 fi
 
-# Look for pthreadGC2.dll and mingwm10.dll
-MINGWM_DLL=mingwm10.dll
-PTW32_DLL=pthreadGC2.dll
-if ! test -r "$build/$MINGWM_DLL" || ! test -r "$build/$PTW32_DLL"; then
-    IFS_saved="$IFS"
-    IFS=:
-    MINGWM_PATH=""
-    PTW32_PATH=""
-    for dir in $LIB_PATH; do
-	test "x$MINGWM_PATH" = "x" && test -r "$dir/$MINGWM_DLL" && MINGWM_PATH="$dir/$MINGWM_DLL"
-	test "x$PTW32_PATH" = "x" && test -r "$dir/$PTW32_DLL" && PTW32_PATH="$dir/$PTW32_DLL"
-    done
-    IFS="$IFS_saved"
-fi
-if ! test -r "$build/$MINGWM_DLL"; then
-    if test "x$MINGWM_PATH" != "x"; then
-	cp "$MINGWM_PATH" "$build"
-    elif test -r /usr/share/doc/mingw32-runtime/${MINGWM_DLL}.gz; then
-        # Debian and Ubuntu
-	gzip -dc /usr/share/doc/mingw32-runtime/${MINGWM_DLL}.gz > "$build/$MINGWM_DLL"
-    fi
-fi
-if ! test -r "$build/$PTW32_DLL"; then
-    if test "x$PTW32_PATH" != "x"; then
-	cp "$PTW32_PATH" "$build"
-    else
-    # look for dll in PTW32_LIBS
-	dir=$(echo $PTW32_LIBS | sed -r 's/.*-L([[:graph:]]+).*/\1/g')
-	lib=$(echo $PTW32_LIBS | sed -r 's/.*-l(pthreadGC[[:graph:]]+).*/\1/g')
-	lib="${lib}.dll"
-	if test -r "$dir/$lib"; then
-	    cp "$dir/$lib" "$build"
-	fi
-    fi
-fi
-def="$def -DMINGWM_DLL=$MINGWM_DLL -DPTW32_DLL=$PTW32_DLL"
-
 if test "x$USE_NLS" = "xyes" && make -C "$srcdir/../po" install prefix="$build" >/dev/null; then
     def="$def -DFLDIGI_LOCALE_PATH=$build/share -DFLDIGI_LOCALE_DIR=locale"
 fi
diff --git a/src/dialogs/fl_digi.cxx b/src/dialogs/fl_digi.cxx
index b9537737..3cb8b521 100644
--- a/src/dialogs/fl_digi.cxx
+++ b/src/dialogs/fl_digi.cxx
@@ -91,6 +91,7 @@
 #if USE_HAMLIB
 	#include "hamlib.h"
 #endif
+#include "timeops.h"
 #include "rigio.h"
 #include "rigMEM.h"
 #include "nullmodem.h"
diff --git a/src/include/timeops.h b/src/include/timeops.h
index d2d7603d..ee2588de 100644
--- a/src/include/timeops.h
+++ b/src/include/timeops.h
@@ -25,4 +25,9 @@ struct timeval& operator-=(struct timeval &t0, const struct timeval &t1);
 bool operator>(const struct timeval &t0, const struct timeval &t1);
 bool operator==(const struct timeval &t0, const struct timeval &t1);
 
+#ifndef GMTIME_R
+extern struct tm *gmtime_r(const time_t *timer, struct tm *tmbuf);
+extern struct tm *localtime_r(const time_t *_Time,struct tm *_Tm);
+#endif
+
 #endif // TIMEOPS_H_
diff --git a/src/logbook/qso_db.cxx b/src/logbook/qso_db.cxx
index 71a67b1c..20f0e8a6 100644
--- a/src/logbook/qso_db.cxx
+++ b/src/logbook/qso_db.cxx
@@ -30,6 +30,7 @@
 #include "qso_db.h"
 #include "field_def.h"
 #include "globals.h"
+#include "timeops.h"
 
 #include "pthread.h"
 
diff --git a/src/logger/rx_extract.cxx b/src/logger/rx_extract.cxx
index b9b8c883..e49ec66a 100644
--- a/src/logger/rx_extract.cxx
+++ b/src/logger/rx_extract.cxx
@@ -39,6 +39,7 @@
 #include "debug.h"
 #include "icons.h"
 #include "qrunner.h"
+#include "timeops.h"
 
 using namespace std;
 
diff --git a/src/misc/debug.cxx b/src/misc/debug.cxx
index 06b9287e..320fc3a8 100644
--- a/src/misc/debug.cxx
+++ b/src/misc/debug.cxx
@@ -48,6 +48,7 @@
 #include <FL/Fl_Browser.H>
 
 #include "debug.h"
+#include "timeops.h"
 #include "icons.h"
 #include "gettext.h"
 
diff --git a/src/misc/log.cxx b/src/misc/log.cxx
index b6a107fb..05cea96e 100644
--- a/src/misc/log.cxx
+++ b/src/misc/log.cxx
@@ -38,6 +38,7 @@
 #include "log.h"
 #include "trx.h"
 #include "fl_digi.h"
+#include "timeops.h"
 
 using namespace std;
 
diff --git a/src/misc/macros.cxx b/src/misc/macros.cxx
index 66e4009c..929d1344 100644
--- a/src/misc/macros.cxx
+++ b/src/misc/macros.cxx
@@ -33,6 +33,7 @@
 #include "misc.h"
 
 #include "fl_digi.h"
+#include "timeops.h"
 #include "configuration.h"
 #include "confdialog.h"
 #include "logger.h"
@@ -1808,13 +1809,13 @@ void set_macro_env(void)
 
 	// frequencies
 	char dial_freq[20];
-	snprintf(dial_freq, sizeof(dial_freq), "%lld", (long long)wf->rfcarrier());
+	snprintf(dial_freq, sizeof(dial_freq), "%ld", (long)wf->rfcarrier());
 	env[FLDIGI_DIAL_FREQUENCY].val = dial_freq;
 	char audio_freq[6];
 	snprintf(audio_freq, sizeof(audio_freq), "%d", active_modem->get_freq());
 	env[FLDIGI_AUDIO_FREQUENCY].val = audio_freq;
 	char freq[20];
-	snprintf(freq, sizeof(freq), "%lld", (long long)(wf->rfcarrier() + (wf->USB()
+	snprintf(freq, sizeof(freq), "%ld", (long)(wf->rfcarrier() + (wf->USB()
 								? active_modem->get_freq()
 								: -active_modem->get_freq())));
 	env[FLDIGI_FREQUENCY].val = freq;
diff --git a/src/misc/timeops.cxx b/src/misc/timeops.cxx
index dda539ca..739dbc1a 100644
--- a/src/misc/timeops.cxx
+++ b/src/misc/timeops.cxx
@@ -173,3 +173,31 @@ bool operator==(const struct timeval &t0, const struct timeval &t1)
 {
 	return t0.tv_sec == t1.tv_sec && t0.tv_usec == t1.tv_usec;
 }
+
+
+#ifndef HAVE_GMTIME_R
+#include "threads.h"
+
+static pthread_mutex_t gmtime_r_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+struct tm *gmtime_r(const time_t *_Time, struct tm *_Tm)
+{
+  pthread_mutex_lock (&gmtime_r_mutex);
+  struct tm *p = gmtime(_Time);
+  if (p && _Tm) memcpy (_Tm, p, sizeof (struct tm));
+  pthread_mutex_unlock (&gmtime_r_mutex);
+  return p;
+}
+
+static pthread_mutex_t gmtime_local_mutex = PTHREAD_MUTEX_INITIALIZER;
+
+struct tm *localtime_r(const time_t *_Time,struct tm *_Tm)
+{
+  pthread_mutex_lock (&gmtime_local_mutex);
+  struct tm *p = localtime(_Time);
+  if (p && _Tm) memcpy (_Tm, p, sizeof (struct tm));
+  pthread_mutex_unlock (&gmtime_local_mutex);
+  return p;
+}
+
+#endif
diff --git a/src/navtex/navtex.cxx b/src/navtex/navtex.cxx
index 7e1548e3..fd2ce2d6 100644
--- a/src/navtex/navtex.cxx
+++ b/src/navtex/navtex.cxx
@@ -785,7 +785,7 @@ public:
 	} // display
 }; // ccir_message
 
-static const double deviation_f = 90.0;
+static const int deviation_f = 90;
 
 static const double dflt_center_freq = 1000.0 ;
 
diff --git a/src/spot/notify.cxx b/src/spot/notify.cxx
index 03eb92b3..16396828 100644
--- a/src/spot/notify.cxx
+++ b/src/spot/notify.cxx
@@ -33,6 +33,8 @@
 #include <cctype>
 #include <cstdlib>
 
+#include "timeops.h"
+
 #if (__GNUC__ > 4) || (__GNUC__ == 4 && __GNUC_MINOR__ >= 1)
 #  define MAP_TYPE std::tr1::unordered_map
 #  include <tr1/unordered_map>
diff --git a/src/wefax/wefax.cxx b/src/wefax/wefax.cxx
index cab23384..30529289 100644
--- a/src/wefax/wefax.cxx
+++ b/src/wefax/wefax.cxx
@@ -45,6 +45,7 @@
 #include "main.h"
 
 #include "misc.h"
+#include "timeops.h"
 #include "fl_digi.h"
 #include "configuration.h"
 #include "status.h"
diff --git a/src/widgets/FTextView.cxx b/src/widgets/FTextView.cxx
index 54222b22..e38b9358 100644
--- a/src/widgets/FTextView.cxx
+++ b/src/widgets/FTextView.cxx
@@ -133,7 +133,7 @@ void FTextBase::add(const char *s, int attr)
 ///
 void FTextBase::add(unsigned char c, int attr)
 {
-	char s[] = { FTEXT_DEF + attr, '\0' };
+	char s[] = { (char)(FTEXT_DEF + attr), '\0' };
 	sbuf->replace(insert_position(), insert_position() + 1, s);
 
 	s[0] = c;
diff --git a/src/widgets/picture.cxx b/src/widgets/picture.cxx
index 75b116ac..2a4d8fe0 100644
--- a/src/widgets/picture.cxx
+++ b/src/widgets/picture.cxx
@@ -54,6 +54,7 @@
 #include "fl_lock.h"
 #include "picture.h"
 #include "debug.h"
+#include "timeops.h"
 
 using namespace std;