tool/mjit_archflag.sh: separated, too many escapes

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65735 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 39 insertions, 0 deletions

diff --git a/tool/mjit_archflag.sh b/tool/mjit_archflag.sh
new file mode 100644
index 0000000000..4bb3321aff
--- /dev/null
+++ b/tool/mjit_archflag.sh
@@ -0,0 +1,39 @@
+# -*- sh -*-
+
+quote() {
+    printf "#${indent}define $1"
+    shift
+    ${1+printf} ${1+' "%s"'$sep} ${1+"$@"}
+    echo
+}
+
+archs=""
+arch_flag=""
+
+for arch in $1; do
+    archs="${archs:+$archs }${arch%=*}"
+done
+
+while shift && [ "$#" -gt 0 ]; do
+    case "$1" in
+	-arch)
+	    shift
+	    archs="${archs:+$archs }$1"
+	    ;;
+	*)
+	    arch_flag="${arch_flag:+${arch_flag} }$1"
+	    ;;
+    esac
+done
+
+define_arch_flags() {
+    local indent=${archs:+  }
+    ${archs:+echo} ${archs:+'#if 0'}
+    for arch in $archs; do
+	echo "#elif defined __${arch}__"
+	quote "MJIT_ARCHFLAG   " -arch "${arch}"
+    done
+    ${archs:+echo} ${archs:+'#else'}
+    quote "MJIT_ARCHFLAG   ${arch_flag:- /* no flag */}" ${arch_flag}
+    ${archs:+echo} ${archs:+'#endif'}
+}