From 7aeb9ccdeb448857d8e32b7799f9bd4ae489e9f1 Mon Sep 17 00:00:00 2001
From: Isuru Fernando <isuruf@gmail.com>
Date: Wed, 19 Sep 2018 01:11:54 -0500
Subject: [PATCH 1/5] Check C++11 flags in mingw32 compiler

---
 setup.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index a0db45c..a37a8fa 100644
--- a/setup.py
+++ b/setup.py
@@ -78,7 +78,7 @@ class BuildExt(build_ext):
     def build_extensions(self):
         ct = self.compiler.compiler_type
         opts = self.c_opts.get(ct, [])
-        if ct == 'unix':
+        if ct in ['unix', 'mingw32']:
             opts.append('-DVERSION_INFO="%s"' % self.distribution.get_version())
             opts.append(cpp_flag(self.compiler))
             if has_flag(self.compiler, '-fvisibility=hidden'):

From f3e61bf227f45d23d1757233691a2586a664eec3 Mon Sep 17 00:00:00 2001
From: Isuru Fernando <isuruf@gmail.com>
Date: Wed, 19 Sep 2018 01:13:02 -0500
Subject: [PATCH 2/5] Fix for temp file on windows

On windows the temp file cannot be opened a second time while
it is still opened by python. Close the file in python before
asking the compiler to read it.

See https://docs.python.org/3.7/library/tempfile.html#tempfile.NamedTemporaryFile
---
 setup.py | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/setup.py b/setup.py
index a37a8fa..b2d84d1 100644
--- a/setup.py
+++ b/setup.py
@@ -42,12 +42,13 @@ def has_flag(compiler, flagname):
     the specified compiler.
     """
     import tempfile
-    with tempfile.NamedTemporaryFile('w', suffix='.cpp') as f:
+    with tempfile.NamedTemporaryFile('w', suffix='.cpp', delete=False) as f:
         f.write('int main (int argc, char **argv) { return 0; }')
-        try:
-            compiler.compile([f.name], extra_postargs=[flagname])
-        except setuptools.distutils.errors.CompileError:
-            return False
+        fname = f.name
+    try:
+        compiler.compile([fname], extra_postargs=[flagname])
+    except setuptools.distutils.errors.CompileError:
+        return False
     return True
 
 

From 6be7a0cd40bb390e58a2b0aee4d24d996beffac7 Mon Sep 17 00:00:00 2001
From: Isuru Fernando <isuruf@gmail.com>
Date: Wed, 20 Feb 2019 17:22:32 -0600
Subject: [PATCH 3/5] Fix removing directories

---
 setup.py | 17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/setup.py b/setup.py
index b2d84d1..84fa3f8 100644
--- a/setup.py
+++ b/setup.py
@@ -41,14 +41,15 @@ def has_flag(compiler, flagname):
     """Return a boolean indicating whether a flag name is supported on
     the specified compiler.
     """
-    import tempfile
-    with tempfile.NamedTemporaryFile('w', suffix='.cpp', delete=False) as f:
-        f.write('int main (int argc, char **argv) { return 0; }')
-        fname = f.name
-    try:
-        compiler.compile([fname], extra_postargs=[flagname])
-    except setuptools.distutils.errors.CompileError:
-        return False
+    import tempfile, os
+    with tempfile.TemporaryDirectory() as d:
+        fname = os.path.join(d, 'main.cpp')
+        with open(fname, 'w') as f:
+            f.write('int main (int argc, char **argv) { return 0; }')
+        try:
+            compiler.compile([fname], extra_postargs=[flagname])
+        except setuptools.distutils.errors.CompileError:
+            return False
     return True
 
 

From 889c3b83e9bc45fb42743119f47abcd1dff27aa0 Mon Sep 17 00:00:00 2001
From: Isuru Fernando <isuruf@gmail.com>
Date: Wed, 20 Feb 2019 17:37:32 -0600
Subject: [PATCH 4/5] Revert "Fix removing directories"

This reverts commit 6be7a0cd40bb390e58a2b0aee4d24d996beffac7.
---
 setup.py | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/setup.py b/setup.py
index 84fa3f8..b2d84d1 100644
--- a/setup.py
+++ b/setup.py
@@ -41,15 +41,14 @@ def has_flag(compiler, flagname):
     """Return a boolean indicating whether a flag name is supported on
     the specified compiler.
     """
-    import tempfile, os
-    with tempfile.TemporaryDirectory() as d:
-        fname = os.path.join(d, 'main.cpp')
-        with open(fname, 'w') as f:
-            f.write('int main (int argc, char **argv) { return 0; }')
-        try:
-            compiler.compile([fname], extra_postargs=[flagname])
-        except setuptools.distutils.errors.CompileError:
-            return False
+    import tempfile
+    with tempfile.NamedTemporaryFile('w', suffix='.cpp', delete=False) as f:
+        f.write('int main (int argc, char **argv) { return 0; }')
+        fname = f.name
+    try:
+        compiler.compile([fname], extra_postargs=[flagname])
+    except setuptools.distutils.errors.CompileError:
+        return False
     return True
 
 

From 5264c61f8199b0c7c448257bc9d63f96884cf5b7 Mon Sep 17 00:00:00 2001
From: Isuru Fernando <isuruf@gmail.com>
Date: Wed, 20 Feb 2019 17:40:48 -0600
Subject: [PATCH 5/5] Remove file

---
 setup.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/setup.py b/setup.py
index b2d84d1..e8add6c 100644
--- a/setup.py
+++ b/setup.py
@@ -41,7 +41,7 @@ def has_flag(compiler, flagname):
     """Return a boolean indicating whether a flag name is supported on
     the specified compiler.
     """
-    import tempfile
+    import tempfile, os
     with tempfile.NamedTemporaryFile('w', suffix='.cpp', delete=False) as f:
         f.write('int main (int argc, char **argv) { return 0; }')
         fname = f.name
@@ -49,6 +49,11 @@ def has_flag(compiler, flagname):
         compiler.compile([fname], extra_postargs=[flagname])
     except setuptools.distutils.errors.CompileError:
         return False
+    finally:
+        try:
+            os.remove(fname)
+        except OSError:
+            pass
     return True