remove makefile dependency

shard.yml

@@ -5,7 +5,7 @@ authors:
   - Konstantin Makarchev <kostya27@gmail.com>
 
 scripts:
-  postinstall: cd src/ext && make package
+  postinstall: crystal run src/ext/build_lexbor.cr
 
 crystal: ">= 0.35.1, < 2.0.0"
 license: MIT

src/ext/build_lexbor.cr

@@ -0,0 +1,48 @@
+REV = "b0dc514cf81bb830aa1db4e273739436dd6597c9"
+
+def static_link_thread_windows(args : Array(String))
+  args << "-DCMAKE_POLICY_DEFAULT_CMP0091=NEW"
+  args << "-DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded"
+end
+
+def print_stdout_stderr(proc : Process)
+  while (line = proc.output.gets) || (line = proc.error.gets)
+    puts line
+  end
+end
+
+current_path = Path[__FILE__]
+lexbor_c_path = (current_path.parent) / "lexbor-c"
+args = ["clone", "https://github.com/lexbor/lexbor.git", lexbor_c_path.to_s]
+
+unless File.directory? lexbor_c_path
+  # TODO: Check if the git clone fails.
+  Process.run("git", args: args) { |p| print_stdout_stderr(p) }
+end
+
+# Checkout to the specific SHA
+Process.run("git", args: ["reset", "--hard", REV], chdir: lexbor_c_path.to_s) { |p| print_stdout_stderr(p) }
+
+# Make the build directory
+lexbor_build_path = lexbor_c_path / "build"
+unless File.directory? lexbor_build_path
+  Dir.mkdir(lexbor_build_path)
+end
+
+cmake_args = [
+  "..",
+  "-DCMAKE_BUILD_TYPE=Release",
+  "-DLEXBOR_BUILD_TESTS_CPP=OFF",
+  "-DLEXBOR_INSTALL_HEADERS=OFF",
+  "-DLEXBOR_BUILD_SHARED=OFF",
+]
+
+{% if flag?(:win32) %}
+static_link_thread_windows(cmake_args)
+{% end %}
+
+Process.run("cmake", args: cmake_args, chdir: lexbor_build_path.to_s) { |p| print_stdout_stderr(p) }
+
+# Build the library
+
+Process.run("cmake", args: ["--build", ".", "--config", "Release", "-j", System.cpu_count.to_s], chdir: lexbor_build_path.to_s) { |p| print_stdout_stderr(p) }

src/lexbor/lib.cr

@@ -1,7 +1,11 @@
 require "./lib/constants"
 
 module Lexbor
+  {% if flag?(:win32) %}
+  @[Link(ldflags: "#{__DIR__}/../ext/lexbor-c/build/Release/lexbor_static.lib")]
+  {% else %}
   @[Link(ldflags: "#{__DIR__}/../ext/lexbor-c/build/liblexbor_static.a")]
+  {% end %}
   lib Lib
     type DocT = Void*
     type CollectionT = Void*