pin nlopt version

tools/cibuildwheel-mac.sh

@@ -2,8 +2,8 @@
 
 set -xe
 
+cd $GITHUB_WORKSPACE
+
 brew install gsl --quiet
-brew install nlopt --quiet
+brew install --formula ./tools/mac-brew-nlopt-271.rb --quiet
 brew install eigen --quiet
-
-cd $GITHUB_WORKSPACE

tools/mac-brew-nlopt-271.rb

@@ -0,0 +1,55 @@
+# https://github.com/Homebrew/homebrew-core/blob/7061c51a7ac2945fc7602ab6df0e7ff31b1fb49c/Formula/n/nlopt.rb
+# https://stackoverflow.com/questions/3987683/homebrew-install-specific-version-of-formula/9832084#9832084
+class Nlopt < Formula
+    desc "Free/open-source library for nonlinear optimization"
+    homepage "https://nlopt.readthedocs.io/"
+    url "https://github.com/stevengj/nlopt/archive/refs/tags/v2.7.1.tar.gz"
+    sha256 "db88232fa5cef0ff6e39943fc63ab6074208831dc0031cf1545f6ecd31ae2a1a"
+    license "MIT"
+    head "https://github.com/stevengj/nlopt.git", branch: "master"
+
+    bottle do
+      sha256 cellar: :any,                 arm64_sonoma:   "6e028c84b18b298cec89e695032458b7d9ef9a5f26a7becafdc14077d998e6e8"
+      sha256 cellar: :any,                 arm64_ventura:  "50c557edfb63b6bcc13096c6f45d4edf44d6a3858251f607a207bacb42fd27dd"
+      sha256 cellar: :any,                 arm64_monterey: "1b9da35eee41e6edae359ce403cf555e7a8b2335ebe78b940c61bbe9516a3c17"
+      sha256 cellar: :any,                 arm64_big_sur:  "4f42df05985991ae1a5c41c090936fde6a52cef297667a268ff3d6f6c90622e9"
+      sha256 cellar: :any,                 sonoma:         "4c522a49f6b7222cfd3014a18686eae33be2a5d449c149b1a9855c944b66dc73"
+      sha256 cellar: :any,                 ventura:        "6f8391873db69306ca067a87f0db752b3b6f80830179d5eb79838cc282dd16e3"
+      sha256 cellar: :any,                 monterey:       "b4fdf154903fc00284e3a37e58bb699ac75a067c355a9ee7efb80c1722b1c522"
+      sha256 cellar: :any,                 big_sur:        "062d705f7d1c94fa4dc93ea2aea8a6674c35d94aaf0f22a6fdad10ea8dc2677e"
+      sha256 cellar: :any,                 catalina:       "dac5c573f40f2ae2e15ef67bff4a8ec178f7c7b19940500d51a25d993c19e79d"
+      sha256 cellar: :any_skip_relocation, x86_64_linux:   "760bd7b65c434a8ab61c18f3c036b64ce367de7818edc82785af4f95e80a5460"
+    end
+
+    depends_on "cmake" => [:build, :test]
+
+    def install
+      args = %w[
+        -DNLOPT_GUILE=OFF
+        -DNLOPT_MATLAB=OFF
+        -DNLOPT_OCTAVE=OFF
+        -DNLOPT_PYTHON=OFF
+        -DNLOPT_SWIG=OFF
+        -DNLOPT_TESTS=OFF
+      ]
+
+      system "cmake", "-S", ".", "-B", "build", *args, *std_cmake_args
+      system "cmake", "--build", "build"
+      system "cmake", "--install", "build"
+
+      pkgshare.install "test/box.c"
+    end
+
+    test do
+      (testpath/"CMakeLists.txt").write <<~EOS
+        cmake_minimum_required(VERSION 3.0)
+        project(box C)
+        find_package(NLopt REQUIRED)
+        add_executable(box "#{pkgshare}/box.c")
+        target_link_libraries(box NLopt::nlopt)
+      EOS
+      system "cmake", "."
+      system "make"
+      assert_match "found", shell_output("./box")
+    end
+  end