From b1a2c78f42913e8dea0577b3a8a7814d3d026504 Mon Sep 17 00:00:00 2001
From: Scott M Anderson <anderson.scott.m@icloud.com>
Date: Fri, 22 May 2026 11:37:59 -0600
Subject: [PATCH 1/5] upstream workflows, on: workflow_dispatch

---
 .github/workflows/cmake.yml     | 2 +-
 .github/workflows/configure.yml | 2 +-
 .github/workflows/fuzz.yml      | 2 +-
 3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index 5409195c9..edd83a2f6 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -1,5 +1,5 @@
 name: CMake
-on: [push, pull_request]
+on: [workflow_dispatch]
 jobs:
   ci-cmake:
     name: ${{ matrix.name }}
diff --git a/.github/workflows/configure.yml b/.github/workflows/configure.yml
index b9162b2da..4fd51848b 100644
--- a/.github/workflows/configure.yml
+++ b/.github/workflows/configure.yml
@@ -1,5 +1,5 @@
 name: Configure
-on: [push, pull_request]
+on: [workflow_dispatch]
 jobs:
   ci-configure:
     name: ${{ matrix.name }}
diff --git a/.github/workflows/fuzz.yml b/.github/workflows/fuzz.yml
index b065d09fd..3c4dc9ebd 100644
--- a/.github/workflows/fuzz.yml
+++ b/.github/workflows/fuzz.yml
@@ -1,5 +1,5 @@
 name: OSS-Fuzz
-on: [pull_request]
+on: [workflow_dispatch]
 jobs:
   Fuzzing:
     runs-on: ubuntu-latest

From 67532b576aed3b4f03aff82cea31881d3ed83c96 Mon Sep 17 00:00:00 2001
From: Scott M Anderson <anderson.scott.m@icloud.com>
Date: Fri, 22 May 2026 11:40:18 -0600
Subject: [PATCH 2/5] gitignore: add externpro ignores

---
 .gitignore | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/.gitignore b/.gitignore
index 8d069ed38..93d4e2b97 100644
--- a/.gitignore
+++ b/.gitignore
@@ -49,3 +49,8 @@ user.bazelrc
 # MODULE.bazel.lock is ignored for now as per this recommendation:
 # https://github.com/bazelbuild/bazel/issues/20369
 MODULE.bazel.lock
+
+# externpro
+.env
+_bld*/
+docker-compose.override.yml

From 0fb535a1be78842d7e770141bddf59cddd813312 Mon Sep 17 00:00:00 2001
From: Scott M Anderson <anderson.scott.m@icloud.com>
Date: Fri, 22 May 2026 15:58:12 -0600
Subject: [PATCH 3/5] cmake: xpExternPackage, externpro-ready

---
 CMakeLists.txt        | 54 ++++++++++++++++++++++++++++++++++++-------
 CMakePresetsBase.json |  4 ++--
 2 files changed, 48 insertions(+), 10 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index e103c409a..1ad531c8b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.12...3.31)
+cmake_minimum_required(VERSION 3.12...4.3)
 
 project(
     zlib
@@ -39,10 +39,12 @@ include(CheckFunctionExists)
 include(CheckIncludeFile)
 include(CMakePackageConfigHelpers)
 include(CheckTypeSize)
-include(CPack)
 include(GNUInstallDirs)
 
+if(NOT COMMAND xpExternPackage)
+include(CPack)
 set(CPACK_INCLUDED TRUE)
+endif()
 
 if(NOT ZLIB_CONF_WRITTEN)
     set(Z_PREFIX ${ZLIB_PREFIX})
@@ -208,7 +210,15 @@ if(ZLIB_BUILD_STATIC)
         zlibstatic
         PUBLIC $<BUILD_INTERFACE:${zlib_BINARY_DIR}>
                $<BUILD_INTERFACE:${zlib_SOURCE_DIR}>
-               $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
+               $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}> # include <zlib.h>
+               $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>) # include <zlib/zlib.h>
+    if(COMMAND xpExternPackage AND HAVE_OFF64_T)
+      set(publicDef PUBLIC _LARGEFILE64_SOURCE=1)
+    elseif(COMMAND xpExternPackage)
+      set(publicDef)
+    else()
+      set(publicDef PUBLIC $<$<BOOL:${HAVE_OFF64_T}>:_LARGEFILE64_SOURCE=1>)
+    endif()
     target_compile_definitions(
         zlibstatic
         PRIVATE ZLIB_BUILD
@@ -216,9 +226,12 @@ if(ZLIB_BUILD_STATIC)
                 $<$<BOOL:${HAVE___ATTR__VIS_HIDDEN}>:HAVE_HIDDEN>
                 $<$<BOOL:${MSVC}>:_CRT_SECURE_NO_DEPRECATE>
                 $<$<BOOL:${MSVC}>:_CRT_NONSTDC_NO_DEPRECATE>
-        PUBLIC $<$<BOOL:${HAVE_OFF64_T}>:_LARGEFILE64_SOURCE=1>)
+        ${publicDef})
+    if(NOT COMMAND xpExternPackage)
+      set(exportName EXPORT_NAME ZLIBSTATIC)
+    endif()
     set_target_properties(
-        zlibstatic PROPERTIES EXPORT_NAME ZLIBSTATIC OUTPUT_NAME
+        zlibstatic PROPERTIES ${exportName} OUTPUT_NAME
                                                      z${zlib_static_suffix})
 endif(ZLIB_BUILD_STATIC)
 
@@ -255,11 +268,32 @@ if(ZLIB_INSTALL)
             RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
             ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
             LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}")
+        if(COMMAND xpExternPackage)
+            string(JOIN "\n" ALIASES
+              "if(NOT TARGET ZLIB::ZLIB)"
+              "  add_library(ZLIB::ZLIB ALIAS ${PROJECT_NAME}::zlibstatic)"
+              "endif()"
+              ""
+              )
+            xpExternPackage(EXPORT zlibStaticExport TARGETS_FILE ZLIB-static
+              LIBRARIES zlibstatic DEFAULT_TARGETS zlibstatic
+              CREATE_ALIASES PKG_CMAKE_USEXT
+              BASE v${PROJECT_VERSION} XPDIFF "patch" DESC "${PROJECT_DESCRIPTION}"
+              WEB "${PROJECT_HOMEPAGE_URL} 'zlib website'" UPSTREAM "github.com/madler/zlib"
+              LICENSE "[Zlib](https://zlib.net/zlib_license.html 'zlib/libpng license, see https://en.wikipedia.org/wiki/Zlib_License')"
+              )
+            set(CMAKE_NAMESPACE ${PROJECT_NAME})
+            set(CMAKE_OPT_INSTALL FALSE)
+        elseif(NOT DEFINED CMAKE_INSTALL_CMAKEDIR)
+            set(CMAKE_INSTALL_CMAKEDIR ${CMAKE_INSTALL_LIBDIR}/cmake/zlib)
+            set(CMAKE_NAMESPACE ZLIB)
+            set(CMAKE_OPT_INSTALL TRUE)
+        endif()
         install(
             EXPORT zlibStaticExport
             FILE ZLIB-static.cmake
-            NAMESPACE ZLIB::
-            DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/zlib)
+            NAMESPACE ${CMAKE_NAMESPACE}::
+            DESTINATION ${CMAKE_INSTALL_CMAKEDIR})
     endif(ZLIB_BUILD_STATIC)
 
     configure_package_config_file(
@@ -272,13 +306,15 @@ if(ZLIB_INSTALL)
         VERSION "${zlib_VERSION}"
         COMPATIBILITY AnyNewerVersion)
 
+    if(CMAKE_OPT_INSTALL)
     install(FILES ${zlib_BINARY_DIR}/ZLIBConfig.cmake
                   ${zlib_BINARY_DIR}/ZLIBConfigVersion.cmake
             DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/zlib)
+    endif() # CMAKE_OPT_INSTALL
     install(
         FILES ${ZLIB_PUBLIC_HDRS}
         COMPONENT Development
-        DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}")
+        DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/${PROJECT_NAME}")
     install(
         FILES zlib.3
         COMPONENT Docs
@@ -293,10 +329,12 @@ if(ZLIB_INSTALL)
               doc/txtvsbin.txt
         COMPONENT Docs
         DESTINATION "${CMAKE_INSTALL_DOCDIR}/zlib")
+    if(CMAKE_OPT_INSTALL)
     install(
         FILES ${ZLIB_PC}
         COMPONENT Development
         DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
+    endif() # CMAKE_OPT_INSTALL
 endif(ZLIB_INSTALL)
 
 # ============================================================================
diff --git a/CMakePresetsBase.json b/CMakePresetsBase.json
index 885f01ffd..f3e345fb5 100644
--- a/CMakePresetsBase.json
+++ b/CMakePresetsBase.json
@@ -6,8 +6,8 @@
       "hidden": true,
       "binaryDir": "${sourceDir}/_bld-${presetName}",
       "cacheVariables": {
-        "SKIP_INSTALL_SHARED_LIBRARIES": "ON",
-        "SKIP_INSTALL_FILES": "ON",
+        "ZLIB_BUILD_SHARED": "OFF",
+        "ZLIB_BUILD_TESTING": "OFF",
         "CMAKE_EXPERIMENTAL_GENERATE_SBOM": "ca494ed3-b261-4205-a01f-603c95e4cae0"
       }
     }

From 3e4e9d772dc0a276d075ac522a7c99f7c10a94ff Mon Sep 17 00:00:00 2001
From: Scott M Anderson <anderson.scott.m@icloud.com>
Date: Fri, 22 May 2026 16:08:44 -0600
Subject: [PATCH 4/5] update .github/release-tag.json

---
 .github/release-tag.json | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/release-tag.json b/.github/release-tag.json
index 6b67347d7..31bd8b24d 100644
--- a/.github/release-tag.json
+++ b/.github/release-tag.json
@@ -1,4 +1,4 @@
 {
-  "message": "xpro version 1.3.1.5 tag",
-  "tag": "xpv1.3.1.5"
+  "message": "xpro version 1.3.2.1 tag",
+  "tag": "xpv1.3.2.1"
 }

From 9e1861d50967964758519514c0f872b9b623791f Mon Sep 17 00:00:00 2001
From: Scott M Anderson <anderson.scott.m@icloud.com>
Date: Fri, 22 May 2026 16:16:15 -0600
Subject: [PATCH 5/5] upstream workflows, on: workflow_dispatch

---
 .github/workflows/c-std.yml       | 2 --
 .github/workflows/contribs.yml    | 2 +-
 .github/workflows/msys-cygwin.yml | 2 +-
 .github/workflows/others.yml      | 2 +-
 4 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/.github/workflows/c-std.yml b/.github/workflows/c-std.yml
index 91b262b5c..7f6a6015c 100644
--- a/.github/workflows/c-std.yml
+++ b/.github/workflows/c-std.yml
@@ -5,8 +5,6 @@ name: C Standard
 
 on:
   workflow_dispatch:
-  push:
-  pull_request:
 
 jobs:
 
diff --git a/.github/workflows/contribs.yml b/.github/workflows/contribs.yml
index c26a9ef59..5c9ae6a8b 100644
--- a/.github/workflows/contribs.yml
+++ b/.github/workflows/contribs.yml
@@ -1,5 +1,5 @@
 name: contribs
-on: [push, pull_request]
+on: [workflow_dispatch]
 jobs:
   ci-cmake:
     name: ${{ matrix.name }}
diff --git a/.github/workflows/msys-cygwin.yml b/.github/workflows/msys-cygwin.yml
index d58e4887f..7bd2dfeb1 100644
--- a/.github/workflows/msys-cygwin.yml
+++ b/.github/workflows/msys-cygwin.yml
@@ -1,6 +1,6 @@
 name: mingw/cygwin
 
-on: [push, pull_request]
+on: [workflow_dispatch]
 
 jobs:
   MSys:
diff --git a/.github/workflows/others.yml b/.github/workflows/others.yml
index d7b40ec00..0c6c920aa 100644
--- a/.github/workflows/others.yml
+++ b/.github/workflows/others.yml
@@ -1,6 +1,6 @@
 name: anyVM-OSes
 
-on: [push, pull_request]
+on: [workflow_dispatch]
 
 jobs: