Bruno Haible <br...@clisp.org> writes: >> I can't find any uses of am_func_iconv in any M4 files in gnulib, so I'm >> hoping that nobody is testing it for == 'no' strings but only uses != >> 'yes' comparisons. > > It's too dangerous to change the value of this variable. This macro is > in the wild for more than 20 years. There are surely packages that use > this variable, although it's undocumented. (E.g. GnuPG.) > > Let me introduce a variable 'am_func_iconv_summary'. Meant to be used > with > echo "iconv: $am_func_iconv_summary" > Not 'libiconv', since that just the implementation. 'iconv' is the POSIX > facility's name.
Wonderful, thank you! /Simon > > 2022-07-10 Bruno Haible <br...@clisp.org> > > iconv: Define a summary result. > Reported by Simon Josefsson in > <https://lists.gnu.org/archive/html/bug-gnulib/2022-07/msg00020.html>. > * m4/iconv.m4 (AM_ICONV): Define also am_cv_func_iconv_summary. > > diff --git a/m4/iconv.m4 b/m4/iconv.m4 > index 6f1ae2b13d..2065c9772a 100644 > --- a/m4/iconv.m4 > +++ b/m4/iconv.m4 > @@ -1,4 +1,4 @@ > -# iconv.m4 serial 25 > +# iconv.m4 serial 26 > dnl Copyright (C) 2000-2002, 2007-2014, 2016-2022 Free Software Foundation, > dnl Inc. > dnl This file is free software; the Free Software Foundation > @@ -274,4 +274,20 @@ size_t iconv (iconv_t cd, char * *inbuf, size_t > *inbytesleft, char * *outbuf, si > ICONV_CONST="const" > fi > ]) > + > + dnl A summary result, for those packages which want to print a summary at > the > + dnl end of the configuration. > + if test "$am_func_iconv" = yes; then > + if test -n "$LIBICONV"; then > + am_cv_func_iconv_summary='yes, in libiconv' > + else > + am_cv_func_iconv_summary='yes, in libc' > + fi > + else > + if test "$am_cv_func_iconv" = yes; then > + am_cv_func_iconv_summary='not working, consider installing GNU > libiconv' > + else > + am_cv_func_iconv_summary='no, consider installing GNU libiconv' > + fi > + fi > ]) > > > > >
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