Added pic (position independent code) api, used all over the place.

src/_premake_init.lua

@@ -644,6 +644,16 @@
 		tokens = true,
 	}
 
+	api.register {
+		name = "pic",
+		scope = "config",
+		kind = "string",
+		allowed = {
+			"Off",
+			"On",
+		}
+	}
+
 	api.register {
 		name = "platforms",
 		scope = "project",
@@ -1148,4 +1158,7 @@
 		targetextension ".dll"
 		implibextension ".dll"
 
+	filter { "kind:SharedLib", "system:not Windows" }
+		pic "On"
+
 	filter {}

src/tools/gcc.lua

@@ -48,11 +48,6 @@
 			Fast = "-ffast-math",
 			Strict = "-ffloat-store",
 		},
-		kind = {
-			SharedLib = function(cfg)
-				if cfg.system ~= premake.WINDOWS then return "-fPIC" end
-			end,
-		},
 		strictaliasing = {
 			Off = "-fno-strict-aliasing",
 			Level1 = { "-fstrict-aliasing", "-Wstrict-aliasing=1" },
@@ -67,6 +62,9 @@
 			Size = "-Os",
 			Speed = "-O3",
 		},
+		pic = {
+			On = "-fPIC",
+		},
 		vectorextensions = {
 			AVX = "-mavx",
 			AVX2 = "-mavx2",