# | |
# Check for GNU Make. This is originally from | |
# http://www.gnu.org/software/ac-archive/htmldoc/check_gnu_make.html | |
# | |
AC_DEFUN([AC_CHECK_GNU_MAKE], | |
[AC_CACHE_CHECK([for GNU make],[llvm_cv_gnu_make_command], | |
dnl Search all the common names for GNU make | |
[llvm_cv_gnu_make_command='' | |
for a in "$MAKE" make gmake gnumake ; do | |
if test -z "$a" ; then continue ; fi ; | |
if ( sh -c "$a --version" 2> /dev/null | grep GNU 2>&1 > /dev/null ) | |
then | |
llvm_cv_gnu_make_command=$a ; | |
break; | |
fi | |
done]) | |
dnl If there was a GNU version, then set @ifGNUmake@ to the empty string, | |
dnl '#' otherwise | |
if test "x$llvm_cv_gnu_make_command" != "x" ; then | |
ifGNUmake='' ; | |
else | |
ifGNUmake='#' ; | |
AC_MSG_RESULT("Not found"); | |
fi | |
AC_SUBST(ifGNUmake) | |
]) |