homebrew-core/Formula/lua@5.3.rb

class LuaAT53 < Formula
  desc "Powerful, lightweight programming language"
  homepage "https://www.lua.org/"
  url "https://www.lua.org/ftp/lua-5.3.6.tar.gz"
  sha256 "fc5fd69bb8736323f026672b1b7235da613d7177e72558893a0bdcd320466d60"
  license "MIT"

  livecheck do
    url "https://www.lua.org/ftp/"
    regex(/href=.*?lua[._-]v?(5\.3(?:\.\d+)*)\.t/i)
  end

  bottle do
    rebuild 1
    sha256 cellar: :any, arm64_big_sur: "b354cab4cfe5a1e608752bc53c1887b9319078a1033305a7452f693edfc3e7f9"
    sha256 cellar: :any, big_sur:       "3fec7275812f0646dc113da036b77ab09af80421ae5ab2d90f8a122b5b225f1e"
    sha256 cellar: :any, catalina:      "1ba7031cba6c4b703e6ac2729ceb8bb23fb9ce12915888bcf395c9ebbfbb95b5"
    sha256 cellar: :any, mojave:        "180e59018eb294a00e41b426071ffbca0d3dc522569217064472e39aed359c0e"
  end

  keg_only :versioned_formula

  uses_from_macos "unzip" => :build

  on_linux do
    depends_on "readline"
  end

  # Be sure to build a dylib, or else runtime modules will pull in another static copy of liblua = crashy
  # See: https://github.com/Homebrew/legacy-homebrew/pull/5043
  # ***Update me with each version bump!***
  patch :DATA

  def install
    # Substitute formula prefix in `src/Makefile` for install name (dylib ID).
    # Use our CC/CFLAGS to compile.
    inreplace "src/Makefile" do |s|
      s.gsub! "@LUA_PREFIX@", prefix
      s.remove_make_var! "CC"
      s.change_make_var! "CFLAGS", "#{ENV.cflags} -DLUA_COMPAT_5_2 $(SYSCFLAGS) $(MYCFLAGS)"
      s.change_make_var! "MYLDFLAGS", ENV.ldflags
    end

    # Fix path in the config header
    inreplace "src/luaconf.h", "/usr/local", HOMEBREW_PREFIX

    # We ship our own pkg-config file as Lua no longer provide them upstream.
    system "make", "macosx", "INSTALL_TOP=#{prefix}", "INSTALL_INC=#{include}/lua", "INSTALL_MAN=#{man1}"
    system "make", "install", "INSTALL_TOP=#{prefix}", "INSTALL_INC=#{include}/lua", "INSTALL_MAN=#{man1}"
    (lib/"pkgconfig/lua.pc").write pc_file

    # Fix some software potentially hunting for different pc names.
    bin.install_symlink "lua" => "lua#{version.major_minor}"
    bin.install_symlink "lua" => "lua-#{version.major_minor}"
    bin.install_symlink "luac" => "luac#{version.major_minor}"
    bin.install_symlink "luac" => "luac-#{version.major_minor}"
    (include/"lua#{version.major_minor}").install_symlink Dir[include/"lua/*"]
    lib.install_symlink "liblua.#{version.major_minor}.dylib" => "liblua#{version.major_minor}.dylib"
    (lib/"pkgconfig").install_symlink "lua.pc" => "lua#{version.major_minor}.pc"
    (lib/"pkgconfig").install_symlink "lua.pc" => "lua-#{version.major_minor}.pc"
  end

  def pc_file
    <<~EOS
      V= #{version.major_minor}
      R= #{version}
      prefix=#{opt_prefix}
      INSTALL_BIN= ${prefix}/bin
      INSTALL_INC= ${prefix}/include/lua
      INSTALL_LIB= ${prefix}/lib
      INSTALL_MAN= ${prefix}/share/man/man1
      INSTALL_LMOD= ${prefix}/share/lua/${V}
      INSTALL_CMOD= ${prefix}/lib/lua/${V}
      exec_prefix=${prefix}
      libdir=${exec_prefix}/lib
      includedir=${prefix}/include/lua

      Name: Lua
      Description: An Extensible Extension Language
      Version: #{version}
      Requires:
      Libs: -L${libdir} -llua.#{version.major_minor} -lm
      Cflags: -I${includedir}
    EOS
  end

  def caveats
    <<~EOS
      You may also want luarocks:
        brew install luarocks
    EOS
  end

  test do
    assert_match "Ducks are terrifying.", shell_output("#{bin}/lua -e \"print ('Ducks are terrifying.')\"")
  end
end

__END__
diff --git a/Makefile b/Makefile
index 7fa91c8..a825198 100644
--- a/Makefile
+++ b/Makefile
@@ -41,7 +41,7 @@ PLATS= aix bsd c89 freebsd generic linux macosx mingw posix solaris
 # What to install.
 TO_BIN= lua luac
 TO_INC= lua.h luaconf.h lualib.h lauxlib.h lua.hpp
-TO_LIB= liblua.a
+TO_LIB= liblua.5.3.6.dylib
 TO_MAN= lua.1 luac.1

 # Lua version and release.
@@ -63,6 +63,8 @@ install: dummy
	cd src && $(INSTALL_DATA) $(TO_INC) $(INSTALL_INC)
	cd src && $(INSTALL_DATA) $(TO_LIB) $(INSTALL_LIB)
	cd doc && $(INSTALL_DATA) $(TO_MAN) $(INSTALL_MAN)
+	ln -s -f liblua.5.3.6.dylib $(INSTALL_LIB)/liblua.5.3.dylib
+	ln -s -f liblua.5.3.dylib $(INSTALL_LIB)/liblua.dylib

 uninstall:
	cd src && cd $(INSTALL_BIN) && $(RM) $(TO_BIN)
diff --git a/src/Makefile b/src/Makefile
index 2e7a412..d0c4898 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -28,7 +28,7 @@ MYOBJS=

 PLATS= aix bsd c89 freebsd generic linux macosx mingw posix solaris

-LUA_A=	liblua.a
+LUA_A=	liblua.5.3.6.dylib
 CORE_O=	lapi.o lcode.o lctype.o ldebug.o ldo.o ldump.o lfunc.o lgc.o llex.o \
	lmem.o lobject.o lopcodes.o lparser.o lstate.o lstring.o ltable.o \
	ltm.o lundump.o lvm.o lzio.o
@@ -56,11 +56,12 @@ o:	$(ALL_O)
 a:	$(ALL_A)

 $(LUA_A): $(BASE_O)
-	$(AR) $@ $(BASE_O)
-	$(RANLIB) $@
+	$(CC) -dynamiclib -install_name @LUA_PREFIX@/lib/liblua.5.3.dylib \
+		-compatibility_version 5.3 -current_version 5.3.6 \
+		-o liblua.5.3.6.dylib $^

 $(LUA_T): $(LUA_O) $(LUA_A)
-	$(CC) -o $@ $(LDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
+	$(CC) -fno-common $(MYLDFLAGS) -o $@ $(LUA_O) $(LUA_A) -L. -llua.5.3.6 $(LIBS)

 $(LUAC_T): $(LUAC_O) $(LUA_A)
	$(CC) -o $@ $(LDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)
@@ -110,7 +111,7 @@ linux:
	$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX" SYSLIBS="-Wl,-E -ldl -lreadline"

 macosx:
-	$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_MACOSX" SYSLIBS="-lreadline"
+	$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_MACOSX -fno-common" SYSLIBS="-lreadline"

 mingw:
	$(MAKE) "LUA_A=lua53.dll" "LUA_T=lua.exe" \