Fix ARCH_FLAG when --with-arch with single CPU

ruby · Dec 15, 2023 · 1e5c402 · 1e5c402
1 parent cc9aeec
commit 1e5c402
Showing 1 changed file with 9 additions and 7 deletions.
diff --git a/tool/m4/ruby_default_arch.m4 b/tool/m4/ruby_default_arch.m4
@@ -1,12 +1,14 @@
 dnl -*- Autoconf -*-
 AC_DEFUN([RUBY_DEFAULT_ARCH], [
+# Set ARCH_FLAG for different width but family CPU
 AC_MSG_CHECKING([arch option])
-AS_CASE([$1],
-	[arm64],      [],
-	[*64],        [ARCH_FLAG=-m64],
-	[[i[3-6]86]], [ARCH_FLAG=-m32],
-	[ppc],        [ARCH_FLAG=-m32],
-	[AC_MSG_ERROR(unknown target architecture: $target_archs)]
-	)
+AS_CASE([$1:"$host_cpu"],
+    [arm64:arm*],        [ARCH_FLAG=-m64],
+    [arm*:arm*],         [ARCH_FLAG=-m32],
+    [x86_64:[i[3-6]86]], [ARCH_FLAG=-m64],
+    [[i[3-6]86]:x86_64], [ARCH_FLAG=-m32],
+    [ppc64:ppc*],        [ARCH_FLAG=-m64],
+    [ppc*:ppc64],        [ARCH_FLAG=-m32],
+)
 AC_MSG_RESULT([$ARCH_FLAG])
 ])dnl