From b5e25391beece55da27777af6bb81b877f77da52 Mon Sep 17 00:00:00 2001
From: Xpol Wan <xpolife@gmail.com>
Date: Wed, 18 Mar 2015 15:20:37 +0800
Subject: Better cmake support.

1. Let cmake choose the generator.
2. use `cmake --build` to build without needs of  make (nmake mingwin-make ...)
---
 src/luarocks/build/cmake.lua | 14 +++++++-------
 src/luarocks/cfg.lua         |  9 +++------
 2 files changed, 10 insertions(+), 13 deletions(-)

diff --git a/src/luarocks/build/cmake.lua b/src/luarocks/build/cmake.lua
index ed2af3ff..5891cda9 100644
--- a/src/luarocks/build/cmake.lua
+++ b/src/luarocks/build/cmake.lua
@@ -15,7 +15,7 @@ function cmake.run(rockspec)
    assert(type(rockspec) == "table")
    local build = rockspec.build
    local variables = build.variables or {}
-   
+
    -- Pass Env variables
    variables.CMAKE_MODULE_PATH=os.getenv("CMAKE_MODULE_PATH")
    variables.CMAKE_LIBRARY_PATH=os.getenv("CMAKE_LIBRARY_PATH")
@@ -26,7 +26,7 @@ function cmake.run(rockspec)
    if not fs.execute_quiet(rockspec.variables.CMAKE, "--help") then
       return nil, "'"..rockspec.variables.CMAKE.."' program not found. Is cmake installed? You may want to edit variables.CMAKE"
    end
-   
+
    -- If inline cmake is present create CMakeLists.txt from it.
    if type(build.cmake) == "string" then
       local cmake_handler = assert(io.open(fs.current_dir().."/CMakeLists.txt", "w"))
@@ -38,21 +38,21 @@ function cmake.run(rockspec)
    -- Execute cmake with variables.
    local args = ""
    if cfg.cmake_generator then
-      args = args .. ' -G"'..cfg.cmake_generator.. '"'
+      --args = args .. ' -G"'..cfg.cmake_generator.. '"'
    end
    for k,v in pairs(variables) do
       args = args .. ' -D' ..k.. '="' ..v.. '"'
    end
 
-   if not fs.execute_string(rockspec.variables.CMAKE.." . " ..args) then
+   if not fs.execute_string(rockspec.variables.CMAKE.." -H. -Bbuild.luarocks "..args) then
       return nil, "Failed cmake."
    end
-   
-   if not fs.execute_string(rockspec.variables.MAKE.." -fMakefile") then
+
+   if not fs.execute_string(rockspec.variables.CMAKE.." --build build.luarocks --config Release") then
       return nil, "Failed building."
    end
 
-   if not fs.execute_string(rockspec.variables.MAKE.." -fMakefile install") then
+   if not fs.execute_string(rockspec.variables.CMAKE.." --build build.luarocks --target install --config Release") then
       return nil, "Failed installing."
    end
    return true
diff --git a/src/luarocks/cfg.lua b/src/luarocks/cfg.lua
index 50d247b5..ea80e5b5 100644
--- a/src/luarocks/cfg.lua
+++ b/src/luarocks/cfg.lua
@@ -227,7 +227,7 @@ local defaults = {
       }
    },
    disabled_servers = {},
-   
+
    upload = {
       server = "https://rocks.moonscript.org",
       tool_version = "1.0.0",
@@ -315,7 +315,7 @@ if detected.windows then
    defaults.variables.LUA_BINDIR = site_config.LUA_BINDIR and site_config.LUA_BINDIR:gsub("\\", "/") or "c:/lua"..cfg.lua_version.."/bin"
    defaults.variables.LUA_INCDIR = site_config.LUA_INCDIR and site_config.LUA_INCDIR:gsub("\\", "/") or "c:/lua"..cfg.lua_version.."/include"
    defaults.variables.LUA_LIBDIR = site_config.LUA_LIBDIR and site_config.LUA_LIBDIR:gsub("\\", "/") or "c:/lua"..cfg.lua_version.."/lib"
-   defaults.cmake_generator = "MinGW Makefiles"
+
    defaults.makefile = "Makefile.win"
    defaults.variables.MAKE = "nmake"
    defaults.variables.CC = "cl"
@@ -363,7 +363,6 @@ end
 if detected.mingw32 then
    defaults.platforms = { "win32", "mingw32", "windows" }
    defaults.obj_extension = "o"
-   defaults.cmake_generator = "MinGW Makefiles"
    defaults.variables.MAKE = "mingw32-make"
    defaults.variables.CC = "mingw32-gcc"
    defaults.variables.RC = "windres"
@@ -394,7 +393,6 @@ if detected.unix then
    defaults.variables.LUA_INCDIR = site_config.LUA_INCDIR or "/usr/local/include"
    defaults.variables.LUA_LIBDIR = site_config.LUA_LIBDIR or "/usr/local/lib"
    defaults.variables.CFLAGS = "-O2"
-   defaults.cmake_generator = "Unix Makefiles"
    defaults.platforms = { "unix" }
    defaults.variables.CC = "gcc"
    defaults.variables.LD = "gcc"
@@ -426,7 +424,6 @@ if detected.cygwin then
    defaults.lib_extension = "so" -- can be overridden in the config file for mingw builds
    defaults.arch = "cygwin-"..proc
    defaults.platforms = {"unix", "cygwin"}
-   defaults.cmake_generator = "Unix Makefiles"
    defaults.variables.CC = "echo -llua | xargs gcc"
    defaults.variables.LD = "echo -llua | xargs gcc"
    defaults.variables.LIBFLAG = "-shared"
@@ -569,7 +566,7 @@ function cfg.package_paths()
       table.insert(new_cpath, lib_path.."/?."..cfg.lib_extension)
       table.insert(new_bin, bin_path)
    end
-   if extra_luarocks_module_dir then 
+   if extra_luarocks_module_dir then
      table.insert(new_path, extra_luarocks_module_dir)
    end
    return table.concat(new_path, ";"), table.concat(new_cpath, ";"), table.concat(new_bin, cfg.export_path_separator)
-- 
cgit v1.2.3-55-g6feb