config: detect if assembler supports --noexecstack and pass it down [from HEAD].

diff --git a/config b/config
index 965884a6277b4b50599ee3db3fad00fca08ea8e6..cf64ec563e61c5c0a2651c0745a06e3d15cd4138 100755 (executable)
--- a/config
+++ b/config
@@ -825,6 +825,10 @@ esac
 #  options="$options -DATALLA"
 #fi
 
+($CC -Wa,--help -c -o /dev/null -x assembler /dev/null 2>&1 | \
+ grep \\--noexecstack) 2>&1 > /dev/null && \
+  options="$options -Wa,--noexecstack"
+
 # gcc < 2.8 does not support -march=ultrasparc
 if [ "$OUT" = solaris-sparcv9-gcc -a $GCCVER -lt 28 ]
 then