Add alloc feature across workspace crates

sub/core/Cargo.toml

@@ -3,4 +3,7 @@ name = "sub_core"
 version = "0.1.0"
 edition = "2021"
 
+[features]
+alloc = []
+
 [dependencies]

sub/pe/Cargo.toml

@@ -5,6 +5,7 @@ edition = "2021"
 
 [features]
 windows = []
+alloc = ["sub_core/alloc"]
 
 [dependencies]
 sub_core = { workspace = true }

sub/winu/Cargo.toml

@@ -3,6 +3,9 @@ name = "sub_winu"
 version = "0.1.0"
 edition = "2021"
 
+[features]
+alloc = ["sub_core/alloc", "sub_pe/alloc"]
+
 [dependencies]
 sub_pe = { workspace = true, features = ["windows"] }
 sub_core.workspace = true

sub/xpat/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.0"
 edition = "2021"
 
 [features]
-alloc = []
+alloc = ["sub_core/alloc"]
 
 [dependencies]
 sub_core.workspace = true

x/Cargo.toml

@@ -9,6 +9,7 @@ core = ["sub_core"]
 macros = ["sub_macros"]
 libm = ["sub_libm"]
 pe = ["sub_pe"]
+alloc = ["sub_core?/alloc", "sub_pe?/alloc", "sub_xpat?/alloc", "sub_winu?/alloc"]
 
 xpat = ["core", "sub_xpat", "macros"]
 winuser = ["sub_winu", "pe", "sub_pe/windows"]