perl: Do not unset AR for global scope

packages/perl/build.sh

@@ -39,36 +39,38 @@ termux_step_post_get_source() {
 termux_step_configure() {
 	export PATH=$PATH:$TERMUX_STANDALONE_TOOLCHAIN/bin
 
-	ORIG_AR=$AR; unset AR
-	ORIG_AS=$AS; unset AS
-	ORIG_CC=$CC; unset CC
-	ORIG_CXX=$CXX; unset CXX
-	ORIG_CPP=$CPP; unset CPP
-	ORIG_CFLAGS=$CFLAGS; unset CFLAGS
-	ORIG_CPPFLAGS=$CPPFLAGS; unset CPPFLAGS
-	ORIG_CXXFLAGS=$CXXFLAGS; unset CXXFLAGS
-	ORIG_LDFLAGS=$LDFLAGS; unset LDFLAGS
-	ORIG_RANLIB=$RANLIB; unset RANLIB
-	ORIG_LD=$LD; unset LD
-
 	# Since we specify $TERMUX_PREFIX/bin/sh below for the shell
 	# it will be run during the build, so temporarily (removed in
 	# termux_step_post_make_install below) setup symlink:
 	rm -f $TERMUX_PREFIX/bin/sh
 	ln -s /bin/sh $TERMUX_PREFIX/bin/sh
 
-	cd $TERMUX_PKG_BUILDDIR
-	$TERMUX_PKG_SRCDIR/configure \
-		--target=$TERMUX_HOST_PLATFORM \
-		-Dosname=android \
-		-Dsysroot=$TERMUX_STANDALONE_TOOLCHAIN/sysroot \
-		-Dprefix=$TERMUX_PREFIX \
-		-Dsh=$TERMUX_PREFIX/bin/sh \
-		-Dcc="$ORIG_CC" \
-		-Dld="$ORIG_CC -Wl,-rpath=$TERMUX_PREFIX/lib -Wl,--enable-new-dtags" \
-		-Dar="$ORIG_AR" \
-		-Duseshrplib \
-		-Dusethreads
+	(
+		ORIG_AR=$AR; unset AR
+		ORIG_AS=$AS; unset AS
+		ORIG_CC=$CC; unset CC
+		ORIG_CXX=$CXX; unset CXX
+		ORIG_CPP=$CPP; unset CPP
+		ORIG_CFLAGS=$CFLAGS; unset CFLAGS
+		ORIG_CPPFLAGS=$CPPFLAGS; unset CPPFLAGS
+		ORIG_CXXFLAGS=$CXXFLAGS; unset CXXFLAGS
+		ORIG_LDFLAGS=$LDFLAGS; unset LDFLAGS
+		ORIG_RANLIB=$RANLIB; unset RANLIB
+		ORIG_LD=$LD; unset LD
+
+		cd $TERMUX_PKG_BUILDDIR
+		$TERMUX_PKG_SRCDIR/configure \
+			--target=$TERMUX_HOST_PLATFORM \
+			-Dosname=android \
+			-Dsysroot=$TERMUX_STANDALONE_TOOLCHAIN/sysroot \
+			-Dprefix=$TERMUX_PREFIX \
+			-Dsh=$TERMUX_PREFIX/bin/sh \
+			-Dcc="$ORIG_CC" \
+			-Dld="$ORIG_CC -Wl,-rpath=$TERMUX_PREFIX/lib -Wl,--enable-new-dtags" \
+			-Dar="$ORIG_AR" \
+			-Duseshrplib \
+			-Dusethreads
+	)
 }
 
 termux_step_post_make_install() {