From 2b4137c5660dfcfda504a1a7b0acd3784f96abda Mon Sep 17 00:00:00 2001
From: John Ralls <jralls@ceridwen.us>
Date: Tue, 14 Mar 2017 21:23:12 -0700
Subject: [PATCH] Fix up building on MinGW with autotools.

---
 configure.ac                    | 11 +++++++++--
 src/libqof/qof/gnc-timezone.cpp |  2 +-
 src/libqof/qof/qofsession.cpp   |  4 +++-
 3 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/configure.ac b/configure.ac
index eeda116e64..54ccef9de3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -70,7 +70,7 @@ AM_PROG_CC_C_O
 AC_GNU_SOURCE
 AC_PROG_INTLTOOL
 # Ensure the compiler supports C++ 11:
-AX_CXX_COMPILE_STDCXX_11(noext)
+AX_CXX_COMPILE_STDCXX_11(ext)
 AC_PROG_CC_C99
 
 AC_SUBST(GNUCASH_MAJOR_VERSION)
@@ -196,7 +196,7 @@ oldcflags="$CFLAGS"
 CFLAGS=
 AC_LANG_PUSH([C++])
 oldcxxflags="$CXXFLAGS"
-CXXFLAGS="-Werror -std=c++11 $BOOST_CPPFLAGS"
+CXXFLAGS="-Werror -std=gnu++11 $BOOST_CPPFLAGS"
 AC_MSG_CHECKING([boost/date_time/local_time/custom_time_zone.hpp])
 AC_COMPILE_IFELSE([
     AC_LANG_SOURCE([
@@ -1634,6 +1634,13 @@ then
 else
   warnFLAGS=none
 fi
+# Workaround for bug in gtest on mingw, see
+# https://github.com/google/googletest/issues/893
+# https://github.com/google/googletest/issues/920
+case $host_os in
+    mingw*)
+      AM_CXXFLAGS="${AM_CXXFLAGS} -DWINVER=0x0500 -D_EMULATE_GLIBC=0"
+esac
 AC_SUBST(AM_CFLAGS)
 AC_SUBST(AM_CXXFLAGS)
 AC_MSG_RESULT($warnFLAGS)
diff --git a/src/libqof/qof/gnc-timezone.cpp b/src/libqof/qof/gnc-timezone.cpp
index 4a8ecff469..40c943c46c 100644
--- a/src/libqof/qof/gnc-timezone.cpp
+++ b/src/libqof/qof/gnc-timezone.cpp
@@ -173,7 +173,7 @@ zone_from_regtzi (const RegTZI& regtzi, time_zone_names names)
 	}
 	catch (boost::gregorian::bad_month& err)
 	{
-	    PWARN("Caught Bad Month Exception. Daylight Bias: %d  "
+	    PWARN("Caught Bad Month Exception. Daylight Bias: %ld  "
 		  "Standard Month : %d  Daylight Month: %d",
 		  regtzi.DaylightBias, regtzi.StandardDate.wMonth,
 		  regtzi.DaylightDate.wMonth);
diff --git a/src/libqof/qof/qofsession.cpp b/src/libqof/qof/qofsession.cpp
index 9939c67f44..093cf495a4 100644
--- a/src/libqof/qof/qofsession.cpp
+++ b/src/libqof/qof/qofsession.cpp
@@ -168,7 +168,9 @@ QofSessionImpl::destroy_backend () noexcept
 void
 QofSessionImpl::load_backend (std::string access_method) noexcept
 {
-    ENTER (" list=%lu", s_providers.size ());
+    std::ostringstream s;
+    s << " list=" << s_providers.size();
+    ENTER ("%s", s.str().c_str());
     for (auto const & prov : s_providers)
     {
         if (!boost::iequals (access_method, prov->access_method))