[libsigcplusplus] change name to libsigcpluscplus3 (#2180)

packages/libsigcplusplus3.rb

@@ -0,0 +1,48 @@
+require 'package'
+
+class Libsigcplusplus3 < Package
+  description 'libsigc++ implements a typesafe callback system for standard C++.'
+  homepage 'http://libsigc.sourceforge.net/'
+  version '2.99.10'
+  source_url 'https://github.com/GNOME/libsigcplusplus/archive/2.99.10.tar.gz'
+  source_sha256 '502735363777cd8d540299035daa3f9162912f325491cbb0f8d709b691593e07'
+
+  binary_url ({
+    aarch64: 'https://dl.bintray.com/chromebrew/chromebrew/libsigcplusplus-2.99.10-chromeos-armv7l.tar.xz',
+     armv7l: 'https://dl.bintray.com/chromebrew/chromebrew/libsigcplusplus-2.99.10-chromeos-armv7l.tar.xz',
+       i686: 'https://dl.bintray.com/chromebrew/chromebrew/libsigcplusplus-2.99.10-chromeos-i686.tar.xz',
+     x86_64: 'https://dl.bintray.com/chromebrew/chromebrew/libsigcplusplus-2.99.10-chromeos-x86_64.tar.xz',
+  })
+  binary_sha256 ({
+    aarch64: 'a8b8bdd9040ebb67bb092055ee36a25135825d08a039f4596e835996bb245cff',
+     armv7l: 'a8b8bdd9040ebb67bb092055ee36a25135825d08a039f4596e835996bb245cff',
+       i686: '57e89d0057217ae81a55ec675be843ed5dbfa54d5ad1deba4b900c6b9c72c451',
+     x86_64: 'da7e1a5edf563ae95c677b89283a2f79cc23380a1b58b264df1abfcfec919bca',
+  })
+
+  depends_on 'pkgconfig' => :build
+  depends_on 'diffutils' => :build
+  depends_on 'm4' => :build
+  depends_on 'gcc7' => :build  # c++14 support
+  depends_on 'cmake' => :build
+
+  def self.build
+    system "mkdir -p build"
+    Dir.chdir("build") do
+      system "cmake",
+             "-DCMAKE_INSTALL_PREFIX:PATH=#{CREW_PREFIX}",
+             "-DCMAKE_LIBRARY_PATH=#{CREW_LIB_PREFIX}",
+             "-DCMAKE_C_COMPILER=gcc-7.3",
+             "-DCMAKE_CXX_COMPILER=g++-7.3",
+             "-DCMAKE_CXX_FLAGS=--std=c++14",
+             ".."
+      system "make"
+    end
+  end
+
+  def self.install
+    Dir.chdir("build") do
+      system "make", "DESTDIR=#{CREW_DEST_DIR}", "install"
+    end
+  end
+end