From 81e3c888ef717a026eb57bb2f3cb0dbd30246271 Mon Sep 17 00:00:00 2001
From: Mitchell Thompkins <mitchell.thompkins@pm.me>
Date: Mon, 6 Apr 2026 16:12:46 -0700
Subject: [PATCH] [consteig] Add consteig 1.0.0 (#50827)

---
 ports/consteig/portfile.cmake | 26 ++++++++++++++++++++++++++
 ports/consteig/vcpkg.json     | 18 ++++++++++++++++++
 versions/baseline.json        |  4 ++++
 versions/c-/consteig.json     |  9 +++++++++
 4 files changed, 57 insertions(+)
 create mode 100644 ports/consteig/portfile.cmake
 create mode 100644 ports/consteig/vcpkg.json
 create mode 100644 versions/c-/consteig.json

diff --git a/ports/consteig/portfile.cmake b/ports/consteig/portfile.cmake
new file mode 100644
index 0000000000..1792c66b7a
--- /dev/null
+++ b/ports/consteig/portfile.cmake
@@ -0,0 +1,26 @@
+set(VCPKG_BUILD_TYPE release) # header-only library
+
+vcpkg_from_github(
+    OUT_SOURCE_PATH SOURCE_PATH
+    REPO MitchellThompkins/consteig
+    REF "${VERSION}"
+    SHA512 7edee6224fd819b8a6c280c0644dd74bd268e19507281baec07f92bb783eae6347467c16f22c1ebd83a3090af07ae64c27e17d4ffbc765f16a327748b030a4e6
+    HEAD_REF main
+)
+
+vcpkg_cmake_configure(
+    SOURCE_PATH "${SOURCE_PATH}"
+    OPTIONS
+        -DCONSTEIG_VERSION="${VERSION}"
+        -DCONSTEIG_BUILD_TESTS=OFF
+        -DCONSTEIG_BUILD_EXAMPLES=OFF
+        -DCONSTEIG_BUILD_PROFILING=OFF
+)
+
+vcpkg_cmake_install()
+vcpkg_cmake_config_fixup(CONFIG_PATH lib/cmake/consteig)
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug")
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/lib")
+
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE")
diff --git a/ports/consteig/vcpkg.json b/ports/consteig/vcpkg.json
new file mode 100644
index 0000000000..c3a9e29714
--- /dev/null
+++ b/ports/consteig/vcpkg.json
@@ -0,0 +1,18 @@
+{
+  "name": "consteig",
+  "version": "1.0.0",
+  "description": "Header-only C++17 constexpr library for compile-time eigenvalue and eigenvector computation",
+  "homepage": "https://github.com/MitchellThompkins/consteig",
+  "license": "Apache-2.0",
+  "supports": "!uwp",
+  "dependencies": [
+    {
+      "name": "vcpkg-cmake",
+      "host": true
+    },
+    {
+      "name": "vcpkg-cmake-config",
+      "host": true
+    }
+  ]
+}
diff --git a/versions/baseline.json b/versions/baseline.json
index c7010f958e..0f5afb1c38 100644
--- a/versions/baseline.json
+++ b/versions/baseline.json
@@ -1964,6 +1964,10 @@
       "baseline": "1.0.2",
       "port-version": 0
     },
+    "consteig": {
+      "baseline": "1.0.0",
+      "port-version": 0
+    },
     "constexpr": {
       "baseline": "1.0",
       "port-version": 3
diff --git a/versions/c-/consteig.json b/versions/c-/consteig.json
new file mode 100644
index 0000000000..2443b30ef7
--- /dev/null
+++ b/versions/c-/consteig.json
@@ -0,0 +1,9 @@
+{
+  "versions": [
+    {
+      "git-tree": "1e241964f3cc5e04d4e5a4e794637ad70d499cc0",
+      "version": "1.0.0",
+      "port-version": 0
+    }
+  ]
+}