Link with -Wl,--no-undefined to detect errors at compile time

This was SVN commit r7022.

build/premake/extern_libs.lua

@@ -78,6 +78,10 @@ extern_lib_defs = {
 	devil = {
 		unix_names = { "IL", "ILU" },
 	},
+	dl = {
+		win_names  = { },
+		unix_names = { "dl" },
+	},
 	-- rationale: see libraries_dir..enet/lib/rationale.txt
 	enet =
 	{
@@ -141,6 +145,15 @@ extern_lib_defs = {
 		osx_frameworks = { "OpenGL" },
 		dbg_suffix = "",
 	},
+	sdl = {
+		add_func = function()
+			add_extern_lib_paths("sdl")
+			if OS ~= "windows" then
+				tinsert(package.buildoptions, "`sdl-config --cflags`")
+				tinsert(package.linkoptions, "`sdl-config --libs`")
+			end
+		end
+	},
 	spidermonkey = {
 		win_names  = { "js32" },
 		unix_names = { "js" },
@@ -167,6 +180,10 @@ extern_lib_defs = {
 			end
 		end,
 	},
+	x11 = {
+		win_names  = { },
+		unix_names = { "X11" },
+	},
 	xerces = {
 		win_names  = { "xerces-c_2" },
 		unix_names = { "xerces-c" },
@@ -176,16 +193,6 @@ extern_lib_defs = {
 		win_names  = { "zlib1" },
 		unix_names = { "z" },
 	},
-
-	sdl = {
-		add_func = function()
-			add_extern_lib_paths("sdl")
-			if OS ~= "windows" then
-				tinsert(package.buildoptions, "`sdl-config --cflags`")
-				tinsert(package.linkoptions, "`sdl-config --libs`")
-			end
-		end
-	}
 }
 
 

build/premake/premake.lua

@@ -155,7 +155,7 @@ function package_set_build_flags()
 				"-Wno-reorder",		-- order of initialization list in constructors
 				"-Wno-non-virtual-dtor",
 				"-Wno-invalid-offsetof",	-- offsetof on non-POD types
-	
+
 				-- do something (?) so that ccache can handle compilation with PCH enabled
 				"-fpch-preprocess",
 
@@ -166,6 +166,9 @@ function package_set_build_flags()
 				-- non-IEEE-conformant results, but haven't noticed any trouble so far.
 				"-ffast-math",
 			})
+			tinsert(package.linkoptions, {
+				"-Wl,--no-undefined",
+			})
 		end
 
 		tinsert(package.buildoptions, {
@@ -750,7 +753,8 @@ function setup_atlas_packages()
 		"spidermonkey",
 		"wxwidgets",
 		"comsuppw",
-		"zlib"
+		"zlib",
+		"x11",
 	},{	-- extra_params
 		pch = (not has_broken_pch),
 		extra_links = atlas_extra_links,
@@ -812,9 +816,11 @@ end
 
 function setup_atlas_frontends()
 	setup_atlas_frontend_package("ActorEditor")
-	setup_atlas_frontend_package("ArchiveViewer")
 	setup_atlas_frontend_package("ColourTester")
-	setup_atlas_frontend_package("FileConverter")
+	if options["aoe3ed"] then
+		setup_atlas_frontend_package("ArchiveViewer")
+		setup_atlas_frontend_package("FileConverter")
+	end
 end
 
 
@@ -874,6 +880,7 @@ function setup_collada_packages()
 	},{	-- include
 	},{	-- extern_libs
 		"fcollada",
+		"dl",
 	},{	-- extra_params
 		pch = 1,
 	})