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| author | Bruno Haible <bruno@clisp.org> | 2005-08-25 20:57:11 +0000 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2005-08-25 20:57:11 +0000 |
| commit | f23939f45ba21d563855ef87f62601e4c42b5e99 (patch) | |
| tree | b1ec6e73c982f104976ae1ccdf498e062f04741a /m4/minmax.m4 | |
| parent | 155c06edcabd58875eab0ef18353be816befe71c (diff) | |
| download | gnulib-f23939f45ba21d563855ef87f62601e4c42b5e99.tar.gz | |
Use m4_pushdef/m4_popdef and AS_TR_SH, AS_TR_CPP.
Diffstat (limited to 'm4/minmax.m4')
| -rw-r--r-- | m4/minmax.m4 | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/m4/minmax.m4 b/m4/minmax.m4 index b002e2940e..bbd1ba0b84 100644 --- a/m4/minmax.m4 +++ b/m4/minmax.m4 @@ -4,6 +4,8 @@ dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. +AC_PREREQ(2.52) + AC_DEFUN([gl_MINMAX], [ AC_REQUIRE([gl_PREREQ_MINMAX]) @@ -18,13 +20,12 @@ AC_DEFUN([gl_PREREQ_MINMAX], dnl gl_MINMAX_IN_HEADER(HEADER) dnl The parameter has to be a literal header name; it cannot be macro, -dnl nor a shell variable. +dnl nor a shell variable. (Because autoheader collects only AC_DEFINE +dnl invocations with a literal macro name.) AC_DEFUN([gl_MINMAX_IN_HEADER], [ - define([header],[translit([$1],[./-], - [___])]) - define([HEADER],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-], - [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])]) + m4_pushdef([header], AS_TR_SH([$1])) + m4_pushdef([HEADER], AS_TR_CPP([$1])) AC_CACHE_CHECK([whether <$1> defines MIN and MAX], [gl_cv_minmax_in_]header, [AC_TRY_COMPILE([#include <$1> @@ -35,6 +36,6 @@ int x = MIN (42, 17);], [], AC_DEFINE([HAVE_MINMAX_IN_]HEADER, 1, [Define to 1 if <$1> defines the MIN and MAX macros.]) fi - undefine([HEADER]) - undefine([header]) + m4_popdef([HEADER]) + m4_popdef([header]) ]) |