formulae: update to use modern cmake syntax

Formula/g/gflags.rb

@@ -1,4 +1,4 @@
 class Gflags < Formula
   desc "Library for processing command-line flags"
   homepage "https://gflags.github.io/gflags/"
   url "https://github.com/gflags/gflags/archive/refs/tags/v2.2.2.tar.gz"
@@ -22,11 +22,15 @@
   depends_on "cmake" => [:build, :test]
 
   def install
-    mkdir "buildroot" do
-      system "cmake", "..", *std_cmake_args, "-DBUILD_SHARED_LIBS=ON", "-DBUILD_STATIC_LIBS=ON",
-                                             "-DCMAKE_POSITION_INDEPENDENT_CODE=ON"
-      system "make", "install"
-    end
+    args = %w[
+      -DBUILD_SHARED_LIBS=ON
+      -DBUILD_STATIC_LIBS=ON
+      -DCMAKE_POSITION_INDEPENDENT_CODE=ON
+    ]
+
+    system "cmake", "-S", ".", "-B", "_build", *args, *std_cmake_args
+    system "cmake", "--build", "_build"
+    system "cmake", "--install", "_build"
   end
 
   test do

Formula/i/ibex.rb

@@ -1,4 +1,4 @@
 class Ibex < Formula
   desc "C++ library for constraint processing over real numbers"
   homepage "https://github.com/ibex-team/ibex-lib"
   url "https://github.com/ibex-team/ibex-lib/archive/refs/tags/ibex-2.8.9.tar.gz"
@@ -31,11 +31,9 @@
   def install
     ENV.cxx11
 
-    mkdir "build" do
-      system "cmake", "..", *std_cmake_args.reject { |s| s["CMAKE_INSTALL_LIBDIR"] }
-      system "make", "SHARED=true"
-      system "make", "install"
-    end
+    system "cmake", "-S", ".", "-B", "build", *std_cmake_args.reject { |s| s["CMAKE_INSTALL_LIBDIR"] }
+    system "cmake", "--build", "build", "--", "SHARED=true"
+    system "cmake", "--install", "build"
 
     pkgshare.install %w[examples benchs/solver]
     (pkgshare/"examples/symb01.txt").write <<~EOS

Formula/l/lastpass-cli.rb

@@ -1,4 +1,4 @@
 class LastpassCli < Formula
   desc "LastPass command-line interface tool"
   homepage "https://github.com/lastpass/lastpass-cli"
   url "https://github.com/lastpass/lastpass-cli/releases/download/v1.6.1/lastpass-cli-1.6.1.tar.gz"
@@ -34,10 +34,8 @@
   def install
     ENV["XML_CATALOG_FILES"] = etc/"xml/catalog"
 
-    mkdir "build" do
-      system "cmake", "..", *std_cmake_args, "-DCMAKE_INSTALL_MANDIR:PATH=#{man}"
-      system "make", "install", "install-doc"
-    end
+    system "cmake", "-S", ".", "-B", "build", "-DCMAKE_INSTALL_MANDIR=#{man}", *std_cmake_args
+    system "cmake", "--build", "build", "--target", "install", "--target", "install-doc"
 
     bash_completion.install "contrib/lpass_bash_completion"
     zsh_completion.install "contrib/lpass_zsh_completion" => "_lpass"

Formula/m/mbelib.rb

@@ -1,4 +1,4 @@
 class Mbelib < Formula
   desc "P25 Phase 1 and ProVoice vocoder"
   homepage "https://github.com/szechyjs/mbelib"
   url "https://github.com/szechyjs/mbelib/archive/refs/tags/v1.3.0.tar.gz"
@@ -27,12 +27,10 @@
   depends_on "cmake" => :build
 
   def install
-    mkdir "build" do
-      system "cmake", "..", *std_cmake_args
-      system "make"
-      system "make", "test"
-      system "make", "install"
-    end
+    system "cmake", "-S", ".", "-B", "build", *std_cmake_args
+    system "cmake", "--build", "build"
+    system "cmake", "--build", "build", "--target", "test"
+    system "cmake", "--install", "build"
   end
 
   test do

Formula/r/rofs-filtered.rb

@@ -15,9 +15,12 @@ class RofsFiltered < Formula
   depends_on :linux # on macOS, requires closed-source macFUSE
 
   def install
-    mkdir "build" do
-      system "cmake", "..", "-DCMAKE_INSTALL_SYSCONFDIR=#{etc}", *std_cmake_args
-      system "make", "install"
-    end
+    system "cmake", "-S", ".", "-B", "build", "-DCMAKE_INSTALL_SYSCONFDIR=#{etc}", *std_cmake_args
+    system "cmake", "--build", "build"
+    system "cmake", "--install", "build"
+  end
+
+  test do
+    assert_match version.to_s, shell_output("#{bin}/rofs-filtered --version 2>&1")
   end
 end