# fnmatch_h.m4 serial 8 dnl Copyright (C) 2009-2024 Free Software Foundation, Inc. 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. dnl From Bruno Haible. AC_DEFUN_ONCE([gl_FNMATCH_H], [ AC_REQUIRE([gl_FNMATCH_H_DEFAULTS]) m4_ifdef([gl_ANSI_CXX], [AC_REQUIRE([gl_ANSI_CXX])]) AC_CHECK_HEADERS_ONCE([fnmatch.h]) gl_CHECK_NEXT_HEADERS([fnmatch.h]) dnl Persuade glibc to declare FNM_CASEFOLD etc. dnl This is only needed if gl_fnmatch_required = GNU. It would be possible dnl to avoid this dependency for gl_FUNC_FNMATCH_POSIX by putting dnl gl_FUNC_FNMATCH_GNU into a separate .m4 file. AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) if test $ac_cv_header_fnmatch_h = yes; then HAVE_FNMATCH_H=1 else HAVE_FNMATCH_H=0 fi AC_SUBST([HAVE_FNMATCH_H]) m4_ifdef([gl_POSIXCHECK], [GL_GENERATE_FNMATCH_H=true], [GL_GENERATE_FNMATCH_H=false if m4_ifdef([gl_ANSI_CXX], [test "$CXX" != no], [false]); then dnl Override always, to support the C++ GNULIB_NAMESPACE. GL_GENERATE_FNMATCH_H=true else if test $ac_cv_header_fnmatch_h != yes; then dnl Provide a substitute file. GL_GENERATE_FNMATCH_H=true fi fi ]) dnl Check for declarations of anything we want to poison if the dnl corresponding gnulib module is not in use. gl_WARN_ON_USE_PREPARE([[#include ]], [fnmatch]) ]) dnl Unconditionally enables the replacement of . AC_DEFUN([gl_REPLACE_FNMATCH_H], [ gl_FNMATCH_H_REQUIRE_DEFAULTS GL_GENERATE_FNMATCH_H=true ]) # gl_FNMATCH_MODULE_INDICATOR([modulename]) # sets the shell variable that indicates the presence of the given module # to a C preprocessor expression that will evaluate to 1. # This macro invocation must not occur in macros that are AC_REQUIREd. AC_DEFUN([gl_FNMATCH_MODULE_INDICATOR], [ dnl Ensure to expand the default settings once only. gl_FNMATCH_H_REQUIRE_DEFAULTS gl_MODULE_INDICATOR_SET_VARIABLE([$1]) dnl Define it also as a C macro, for the benefit of the unit tests. gl_MODULE_INDICATOR_FOR_TESTS([$1]) ]) # Initializes the default values for AC_SUBSTed shell variables. # This macro must not be AC_REQUIREd. It must only be invoked, and only # outside of macros or in macros that are not AC_REQUIREd. AC_DEFUN([gl_FNMATCH_H_REQUIRE_DEFAULTS], [ m4_defun(GL_MODULE_INDICATOR_PREFIX[_FNMATCH_H_MODULE_INDICATOR_DEFAULTS], [ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_FNMATCH]) ]) m4_require(GL_MODULE_INDICATOR_PREFIX[_FNMATCH_H_MODULE_INDICATOR_DEFAULTS]) AC_REQUIRE([gl_FNMATCH_H_DEFAULTS]) ]) AC_DEFUN([gl_FNMATCH_H_DEFAULTS], [ dnl Assume POSIX behavior unless another module says otherwise. HAVE_FNMATCH=1; AC_SUBST([HAVE_FNMATCH]) REPLACE_FNMATCH=0; AC_SUBST([REPLACE_FNMATCH]) ])