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Diffstat (limited to 'm4/ax_check_gnu_make.m4')
| -rw-r--r-- | m4/ax_check_gnu_make.m4 | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/m4/ax_check_gnu_make.m4 b/m4/ax_check_gnu_make.m4 deleted file mode 100644 index 938aad71f58..00000000000 --- a/m4/ax_check_gnu_make.m4 +++ /dev/null @@ -1,78 +0,0 @@ -# =========================================================================== -# http://www.gnu.org/software/autoconf-archive/ax_check_gnu_make.html -# =========================================================================== -# -# SYNOPSIS -# -# AX_CHECK_GNU_MAKE() -# -# DESCRIPTION -# -# This macro searches for a GNU version of make. If a match is found, the -# makefile variable `ifGNUmake' is set to the empty string, otherwise it -# is set to "#". This is useful for including a special features in a -# Makefile, which cannot be handled by other versions of make. The -# variable _cv_gnu_make_command is set to the command to invoke GNU make -# if it exists, the empty string otherwise. -# -# Here is an example of its use: -# -# Makefile.in might contain: -# -# # A failsafe way of putting a dependency rule into a makefile -# $(DEPEND): -# $(CC) -MM $(srcdir)/*.c > $(DEPEND) -# -# @ifGNUmake@ ifeq ($(DEPEND),$(wildcard $(DEPEND))) -# @ifGNUmake@ include $(DEPEND) -# @ifGNUmake@ endif -# -# Then configure.in would normally contain: -# -# AX_CHECK_GNU_MAKE() -# AC_OUTPUT(Makefile) -# -# Then perhaps to cause gnu make to override any other make, we could do -# something like this (note that GNU make always looks for GNUmakefile -# first): -# -# if ! test x$_cv_gnu_make_command = x ; then -# mv Makefile GNUmakefile -# echo .DEFAULT: > Makefile ; -# echo \ $_cv_gnu_make_command \$@ >> Makefile; -# fi -# -# Then, if any (well almost any) other make is called, and GNU make also -# exists, then the other make wraps the GNU make. -# -# LICENSE -# -# Copyright (c) 2008 John Darrington <j.darrington@elvis.murdoch.edu.au> -# -# Copying and distribution of this file, with or without modification, are -# permitted in any medium without royalty provided the copyright notice -# and this notice are preserved. This file is offered as-is, without any -# warranty. - -#serial 7 - -AC_DEFUN([AX_CHECK_GNU_MAKE], [ AC_CACHE_CHECK( for GNU make,_cv_gnu_make_command, - _cv_gnu_make_command='' ; -dnl Search all the common names for GNU make - for a in "$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 - _cv_gnu_make_command=$a ; - break; - fi - done ; - ) ; -dnl If there was a GNU version, then set @ifGNUmake@ to the empty string, '#' otherwise - if test "x$_cv_gnu_make_command" != "x" ; then - ifGNUmake='' ; - else - ifGNUmake='#' ; - AC_MSG_RESULT("Not found"); - fi - AC_SUBST(ifGNUmake) -] ) |