From c6cc38f9a885ee6c8110b46f47597e2f94a281cb Mon Sep 17 00:00:00 2001
From: constantined <nobody@constantined.com>
Date: Wed, 3 Jan 2018 11:08:26 +0000
Subject: [PATCH 1/3] Define bindir, libdir and incdir after custom PREFIX was
 set

---
 configure | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/configure b/configure
index b3c6c19..f86e3ae 100644
--- a/configure
+++ b/configure
@@ -53,9 +53,6 @@ die_unknown(){
 }
 
 PREFIX="/mingw"
-bindir="${PREFIX}/bin"
-libdir="${PREFIX}/lib"
-incdir="${PREFIX}/include/sys"
 ar="ar"
 cc_default="gcc"
 ranlib="ranlib"
@@ -111,6 +108,9 @@ for opt do
     esac
 done
 
+bindir="${PREFIX}/bin"
+libdir="${PREFIX}/lib"
+incdir="${PREFIX}/include/sys"
 ar="${cross_prefix}${ar}"
 cc_default="${cross_prefix}${cc_default}"
 ranlib="${cross_prefix}${ranlib}"

From 3874169327f32c31f5e7f54f0fb4791b6118e6e0 Mon Sep 17 00:00:00 2001
From: Roy Merkel <merkel-roy@comcast.net>
Date: Sat, 2 Jun 2018 19:52:09 -0700
Subject: [PATCH 2/3] Added --bindir install option to configure so we can
 specify the bindir parameter.

---
 configure | 4 ++++
 1 file changed, 4 insertions(+)
 mode change 100644 => 100755 configure

diff --git a/configure b/configure
old mode 100644
new mode 100755
index b3c6c19..790ab03
--- a/configure
+++ b/configure
@@ -35,6 +35,7 @@ show_help(){
   echo
   echo "  --help                    print this message"
   echo "  --prefix=PREFIX           install in PREFIX [$PREFIX]"
+  echo "  --bindir=DIR              install binaries in DIR [$PREFIX/bin]"
   echo "  --libdir=DIR              install libs in DIR [$PREFIX/lib]"
   echo "  --incdir=DIR              install includes in DIR [$PREFIX/include]"
   echo "  --enable-static           build static libraries [yes]"
@@ -88,6 +89,9 @@ for opt do
     --prefix=*)
         PREFIX="$optval"
     ;;
+    --bindir=*)
+        bindir="$optval"
+    ;;
     --libdir=*)
         libdir="$optval"
     ;;

From 6556d4f5db89370c5f7e2722bfbfcb6cdc596dff Mon Sep 17 00:00:00 2001
From: Zachary Cook <zachcook1991@gmail.com>
Date: Wed, 9 Oct 2019 12:30:50 -0400
Subject: [PATCH 3/3] Support MAP_FIXED using MapViewOfFileEx

---
 mman.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/mman.c b/mman.c
index 9a2df41..e71666c 100644
--- a/mman.c
+++ b/mman.c
@@ -87,8 +87,6 @@ void* mmap(void *addr, size_t len, int prot, int flags, int fildes, OffsetType o
     errno = 0;
     
     if (len == 0 
-        /* Unsupported flag combinations */
-        || (flags & MAP_FIXED) != 0
         /* Usupported protection combinations */
         || prot == PROT_EXEC)
     {
@@ -113,7 +111,14 @@ void* mmap(void *addr, size_t len, int prot, int flags, int fildes, OffsetType o
         return MAP_FAILED;
     }
   
-    map = MapViewOfFile(fm, desiredAccess, dwFileOffsetHigh, dwFileOffsetLow, len);
+    if ((flags & MAP_FIXED) == 0)
+    {
+        map = MapViewOfFile(fm, desiredAccess, dwFileOffsetHigh, dwFileOffsetLow, len);
+    }
+    else
+    {
+        map = MapViewOfFileEx(fm, desiredAccess, dwFileOffsetHigh, dwFileOffsetLow, len, addr);
+    }
 
     CloseHandle(fm);