| # |
| # 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) |
| ]) |