Enable overriding 'ar'

Make has a stanard variable for 'ar', it is better to use it to enable
overriding the standard name in non-standard builds (i.e. MinGW).

diff --git a/Makefile b/Makefile
index 8ae722f65803ca2425693ee7d3e685ea81618ea5..74482056ead8e6e90596941308ed3f464e000067 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -36,5 +36,5 @@ $(SYSROOT):
        $(RM) *.o
        "$(WASM_CC)" $(WASM_CFLAGS) $(WASM_TARGET_FLAGS) --sysroot="$(SYSROOT)" -c $(BASICS_LIBC_SOURCES)
        mkdir -p "$(SYSROOT)/lib"
-       ar crs "$(SYSROOT)/lib/libc.a" *.o
+       $(AR) crs "$(SYSROOT)/lib/libc.a" *.o
        $(RM) *.o