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Diffstat (limited to 'gl/m4/iconv.m4')
| -rw-r--r-- | gl/m4/iconv.m4 | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/gl/m4/iconv.m4 b/gl/m4/iconv.m4 index f46ff142..e2041b9b 100644 --- a/gl/m4/iconv.m4 +++ b/gl/m4/iconv.m4 @@ -1,4 +1,4 @@ -# iconv.m4 serial 9 (gettext-0.18) +# iconv.m4 serial 11 (gettext-0.18.1) dnl Copyright (C) 2000-2002, 2007-2010 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -170,7 +170,22 @@ int main () AC_SUBST([LTLIBICONV]) ]) -AC_DEFUN([AM_ICONV], +dnl Define AM_ICONV using AC_DEFUN_ONCE for Autoconf >= 2.64, in order to +dnl avoid warnings like +dnl "warning: AC_REQUIRE: `AM_ICONV' was expanded before it was required". +dnl This is tricky because of the way 'aclocal' is implemented: +dnl - It requires defining an auxiliary macro whose name ends in AC_DEFUN. +dnl Otherwise aclocal's initial scan pass would miss the macro definition. +dnl - It requires a line break inside the AC_DEFUN_ONCE and AC_DEFUN expansions. +dnl Otherwise aclocal would emit many "Use of uninitialized value $1" +dnl warnings. +m4_define([gl_iconv_AC_DEFUN], + m4_version_prereq([2.64], + [[AC_DEFUN_ONCE( + [$1], [$2])]], + [[AC_DEFUN( + [$1], [$2])]])) +gl_iconv_AC_DEFUN([AM_ICONV], [ AM_ICONV_LINK if test "$am_cv_func_iconv" = yes; then |