+# FPTOOLS_SET_C_LD_FLAGS
+# ----------------------------------
+# Set the C and LD flags for a given platform
+AC_DEFUN([FPTOOLS_SET_C_LD_FLAGS],
+[
+ case $$1 in
+ i386-apple-darwin|powerpc-apple-darwin)
+ # By default, gcc on OS X will generate SSE
+ # instructions, which need things 16-byte aligned,
+ # but we don't 16-byte align things. Thus drop
+ # back to generic i686 compatibility. Trac #2983.
+ $2="$$2 -march=i686 -m32"
+ $3="$$3 -march=i686 -m32"
+ ;;
+ x86_64-apple-darwin)
+ $2="$$2 -m64"
+ $3="$$3 -m64"
+ ;;
+ esac
+
+ # If gcc knows about the stack protector, turn it off.
+ # Otherwise the stack-smash handler gets triggered.
+ echo 'int main(void) {return 0;}' > conftest.c
+ if $CC -c conftest.c -fno-stack-protector > /dev/null 2>&1
+ then
+ $2="$$2 -fno-stack-protector"
+ fi
+ rm conftest.c conftest.o
+])
+
+