Looking at fnmatch.m4. These two small changes make it follow current practice.
2009-05-02 Bruno Haible <br...@clisp.org> * m4/fnmatch.m4 (_AC_FUNC_FNMATCH_IF): Say "guessing no" instead of "cross". (gl_FUNC_FNMATCH_POSIX, gl_FUNC_FNMATCH_GNU): Update. Don't assume that gnulib-tool was called with option --source-base=lib. --- m4/fnmatch.m4.orig 2009-05-02 12:15:37.000000000 +0200 +++ m4/fnmatch.m4 2009-05-02 12:14:12.000000000 +0200 @@ -1,4 +1,4 @@ -# Check for fnmatch - serial 2. +# Check for fnmatch - serial 3. # Copyright (C) 2000-2007, 2009 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation @@ -70,8 +70,8 @@ 1))[;]])], [$2=yes], [$2=no], - [$2=cross])]) -AS_IF([test $$2 = yes], [$3], [$4]) + [$2="guessing no"])]) +AS_IF([test "$$2" = yes], [$3], [$4]) ])# _AC_FUNC_FNMATCH_IF @@ -93,9 +93,9 @@ [ FNMATCH_H= _AC_FUNC_FNMATCH_IF([POSIX], [ac_cv_func_fnmatch_posix], - [rm -f lib/fnmatch.h], + [rm -f "$gl_source_base/fnmatch.h"], [_AC_LIBOBJ_FNMATCH]) - if test $ac_cv_func_fnmatch_posix != yes; then + if test "$ac_cv_func_fnmatch_posix" != yes; then dnl We must choose a different name for our function, since on ELF systems dnl a broken fnmatch() in libc.so would override our fnmatch() if it is dnl compiled into a shared library. @@ -113,9 +113,9 @@ FNMATCH_H= _AC_FUNC_FNMATCH_IF([GNU], [ac_cv_func_fnmatch_gnu], - [rm -f lib/fnmatch.h], + [rm -f "$gl_source_base/fnmatch.h"], [_AC_LIBOBJ_FNMATCH]) - if test $ac_cv_func_fnmatch_gnu != yes; then + if test "$ac_cv_func_fnmatch_gnu" != yes; then dnl We must choose a different name for our function, since on ELF systems dnl a broken fnmatch() in libc.so would override our fnmatch() if it is dnl compiled into a shared library.