Use local vars

packages/rust/build.sh

@@ -9,15 +9,15 @@ termux_step_configure () {
 	termux_setup_cmake
 
 	if [ "$TERMUX_ARCH" = "arm" ]; then
-		TRIPLE="armv7-linux-androideabi"
+		local triple="armv7-linux-androideabi"
 	else
-		TRIPLE="$TERMUX_HOST_PLATFORM"
+		local triple="$TERMUX_HOST_PLATFORM"
 	fi
 
 	sed "s%\\@TERMUX_PREFIX\\@%$TERMUX_PREFIX%g" \
 		$TERMUX_PKG_BUILDER_DIR/config.toml \
 		| sed "s%\\@TERMUX_STANDALONE_TOOLCHAIN\\@%$TERMUX_STANDALONE_TOOLCHAIN%g" \
-		| sed "s%\\@TRIPLE\\@%$TRIPLE%g" \
+		| sed "s%\\@triple\\@%$triple%g" \
 		> config.toml
 
 	export LD_LIBRARY_PATH=$TERMUX_PKG_BUILDDIR/build/x86_64-unknown-linux-gnu/llvm/lib

packages/rust/config.toml

@@ -2,8 +2,8 @@
 link-shared = true
 
 [build]
-host = ["@TRIPLE@"]
-target = ["@TRIPLE@"]
+host = ["@triple@"]
+target = ["@triple@"]
 
 python = "python2.7"
 extended = true
@@ -25,7 +25,7 @@ channel = "stable"
 
 rpath = false
 
-[target.@TRIPLE@]
+[target.@triple@]
 android-ndk = "@TERMUX_STANDALONE_TOOLCHAIN@"
 llvm-config = "@TERMUX_PREFIX@/bin/llvm-config"