gcc: disable libssp on cygwin

Changed files
+1 -1
pkgs
development
compilers
gcc
+1 -1
pkgs/development/compilers/gcc/common/configure-flags.nix
···
++ lib.optional (
lib.systems.equals targetPlatform hostPlatform && targetPlatform.isx86_32
) "--with-arch=${stdenv.hostPlatform.parsed.cpu.name}"
-
++ lib.optional targetPlatform.isNetBSD "--disable-libssp" # Provided by libc.
+
++ lib.optional (targetPlatform.isNetBSD || targetPlatform.isCygwin) "--disable-libssp" # Provided by libc.
++ lib.optionals hostPlatform.isSunOS [
"--enable-long-long"
"--enable-libssp"