From 409e5174bb52b79cf05a2ab3ed89b0ea71475fae Mon Sep 17 00:00:00 2001
From: Lovell Fuller <github@lovell.info>
Date: Wed, 19 Feb 2020 21:44:13 +0000
Subject: [PATCH] Add support for 32-bit Windows (win32-ia32)

---
 README.md          |  2 +-
 appveyor.yml       | 13 ++++++++++---
 binding.gyp        |  6 ++++++
 docs/README.md     |  2 +-
 docs/changelog.md  |  3 +++
 docs/install.md    |  2 +-
 install/libvips.js |  5 +----
 7 files changed, 23 insertions(+), 10 deletions(-)

diff --git a/README.md b/README.md
index f9052427..ae09853b 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ Lanczos resampling ensures quality is not sacrificed for speed.
 As well as image resizing, operations such as
 rotation, extraction, compositing and gamma correction are available.
 
-Most modern 64-bit macOS, Windows and Linux systems running Node.js v10.16.0+
+Most modern macOS, Windows and Linux systems running Node.js v10.16.0+
 do not require any additional install or runtime dependencies.
 
 ## Examples
diff --git a/appveyor.yml b/appveyor.yml
index 3d9f7ffe..3b9b6107 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,15 +1,22 @@
 os: Visual Studio 2017
 version: "{build}"
 build: off
-platform: x64
 environment:
   matrix:
   - nodejs_version: "10"
+    platform: x86
+  - nodejs_version: "10"
+    platform: x64
   - nodejs_version: "12"
+    platform: x86
+  - nodejs_version: "12"
+    platform: x64
   - nodejs_version: "13"
+    platform: x86
+  - nodejs_version: "13"
+    platform: x64
 install:
-  - ps: Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs_version) x64
-  - npm install -g npm@6
+  - ps: Update-NodeJsInstallation (Get-NodeJsLatestBuild $env:nodejs_version) $env:platform
   - npm install
 test_script:
   - npm test
diff --git a/binding.gyp b/binding.gyp
index bea68e2d..4e472cc6 100644
--- a/binding.gyp
+++ b/binding.gyp
@@ -30,6 +30,9 @@
             'msvs_settings': {
               'VCCLCompilerTool': {
                 'ExceptionHandling': 1
+              },
+              'VCLinkerTool': {
+                'ImageHasSafeExceptionHandlers': 'false'
               }
             },
             'msvs_disabled_warnings': [
@@ -194,6 +197,9 @@
             'msvs_settings': {
               'VCCLCompilerTool': {
                 'ExceptionHandling': 1
+              },
+              'VCLinkerTool': {
+                'ImageHasSafeExceptionHandlers': 'false'
               }
             },
             'msvs_disabled_warnings': [
diff --git a/docs/README.md b/docs/README.md
index ef58907c..3f423054 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -16,7 +16,7 @@ Lanczos resampling ensures quality is not sacrificed for speed.
 As well as image resizing, operations such as
 rotation, extraction, compositing and gamma correction are available.
 
-Most modern 64-bit macOS, Windows and Linux systems running Node.js v10.16.0+
+Most modern macOS, Windows and Linux systems running Node.js v10.16.0+
 do not require any additional install or runtime dependencies.
 
 [![Test Coverage](https://coveralls.io/repos/lovell/sharp/badge.png?branch=master)](https://coveralls.io/r/lovell/sharp?branch=master)
diff --git a/docs/changelog.md b/docs/changelog.md
index 4606dd7c..392c3ad1 100644
--- a/docs/changelog.md
+++ b/docs/changelog.md
@@ -11,6 +11,9 @@ Requires libvips v8.9.1
 * Migrate internals to N-API.
   [#1282](https://github.com/lovell/sharp/issues/1282)
 
+* Add support for 32-bit Windows.
+  [#2088](https://github.com/lovell/sharp/issues/2088)
+
 ## v0.24 - "*wit*"
 
 Requires libvips v8.9.0.
diff --git a/docs/install.md b/docs/install.md
index 92cf37a2..8fdbd22c 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -19,7 +19,7 @@ Node.js v10.16.0+ (N-API v4) on the most common platforms:
 
 * macOS x64 (>= 10.13)
 * Linux x64 (glibc >= 2.17, musl >= 1.1.24)
-* Windows x64 with 64-bit `node.exe`
+* Windows
 
 A ~10MB tarball containing libvips and its most commonly used dependencies
 is downloaded via HTTPS and stored within `node_modules/sharp/vendor` during `npm install`.
diff --git a/install/libvips.js b/install/libvips.js
index 69704b71..8128f838 100644
--- a/install/libvips.js
+++ b/install/libvips.js
@@ -57,10 +57,7 @@ try {
     // Is this arch/platform supported?
     const arch = process.env.npm_config_arch || process.arch;
     const platformAndArch = platform();
-    if (platformAndArch === 'win32-ia32') {
-      throw new Error('Windows x86 (32-bit) node.exe is not supported');
-    }
-    if (arch === 'ia32') {
+    if (arch === 'ia32' && !platformAndArch.startsWith('win32')) {
       throw new Error(`Intel Architecture 32-bit systems require manual installation of libvips >= ${minimumLibvipsVersion}`);
     }
     if (platformAndArch === 'freebsd-x64' || platformAndArch === 'openbsd-x64' || platformAndArch === 'sunos-x64') {