fixup! makefiles: Define RUST_TARGET for use with Cargo / Rust

chrysn · chrysn · commit a3b7cbcf42f9 · 2021-12-14T12:34:17.000+01:00
See-Also: #16274 (comment)
diff --git a/cpu/native/Kconfig b/cpu/native/Kconfig
@@ -20,7 +20,6 @@ config CPU_ARCH_NATIVE
     select HAS_PERIPH_PM
     select HAS_PERIPH_PWM
     select HAS_PERIPH_TIMER_PERIODIC
-    select HAS_RUST_TARGET
     select HAS_SSP
     select HAVE_MTD_NATIVE
 
@@ -63,6 +62,7 @@ config NATIVE_OS_LINUX
     select HAS_PERIPH_GPIO
     select HAS_PERIPH_GPIO_IRQ
     select HAS_PERIPH_SPI
+    select HAS_RUST_TARGET if "$(OS_ARCH)" == "x86_64"
 
 config NATIVE_OS_FREEBSD
     bool
diff --git a/cpu/native/Makefile.features b/cpu/native/Makefile.features
@@ -5,7 +5,6 @@ endif
 FEATURES_PROVIDED += arch_32bit
 FEATURES_PROVIDED += arch_native
 FEATURES_PROVIDED += cpp
-FEATURES_PROVIDED += rust_target
 ifneq ($(DISABLE_LIBSTDCPP),1)
   # libstdc++ on FreeBSD is broken (does not work with -m32)
   # Override with "export DISABLE_LIBSTDCPP=0"
@@ -19,6 +18,9 @@ FEATURES_PROVIDED += periph_hwrng
 FEATURES_PROVIDED += periph_pm
 FEATURES_PROVIDED += periph_pwm
 FEATURES_PROVIDED += periph_timer_periodic
+ifeq ($(OS) $(OS_ARCH),Linux x86_64)
+  FEATURES_PROVIDED += rust_target
+endif
 FEATURES_PROVIDED += ssp
 
 ifeq ($(OS),Linux)
diff --git a/cpu/native/Makefile.include b/cpu/native/Makefile.include
@@ -12,4 +12,6 @@ endif
 TOOLCHAINS_SUPPORTED = gnu llvm afl
 
 # Platform triple as used by Rust
-RUST_TARGET = i686-unknown-linux-gnu
+ifeq ($(OS) $(OS_ARCH),Linux x86_64)
+  RUST_TARGET = i686-unknown-linux-gnu
+endif
