# When compiling with GCC, prefer -isystem to -I when including system
# include files, to avoid generating useless diagnostics for the files.
-if test "$gl_gcc_warnings" != yes; then
+AS_IF([test "$gl_gcc_warnings" != yes],
+ [
isystem='-I'
- if test "$emacs_cv_clang" = yes
- then
+ AS_IF([test "$emacs_cv_clang" = yes],
+ [
# Turn off some warnings if supported.
gl_WARN_ADD([-Wno-switch])
gl_WARN_ADD([-Wno-tautological-constant-out-of-range-compare])
gl_WARN_ADD([-Wno-pointer-sign])
gl_WARN_ADD([-Wno-string-plus-int])
gl_WARN_ADD([-Wno-unknown-attributes])
- fi
-else
+ ])
+ ],[
isystem='-isystem '
# This, $nw, is the list of warnings we disable.
# Old toolkits mishandle 'const'.
nw="$nw -Wwrite-strings"
;;
- *)
- gl_WARN_ADD([-Werror], [WERROR_CFLAGS])
- ;;
esac
+ AS_IF([test -z "$nw"],
+ [gl_WARN_ADD([-Werror], [WERROR_CFLAGS])])
AC_SUBST([WERROR_CFLAGS])
nw="$nw -Wsystem-headers" # Don't let system headers trigger warnings
gl_MANYWARN_COMPLEMENT([GNULIB_WARN_CFLAGS], [$WARN_CFLAGS], [$nw])
AC_SUBST([GNULIB_WARN_CFLAGS])
-fi
+ ])
edit_cflags="
s,///*,/,g