# glob_h.m4 serial 9 dnl Copyright (C) 2018-2022 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_GLOB_H], [ AC_REQUIRE([gl_GLOB_H_DEFAULTS]) m4_ifdef([gl_ANSI_CXX], [AC_REQUIRE([gl_ANSI_CXX])]) AC_REQUIRE([AC_C_RESTRICT]) AC_CHECK_HEADERS_ONCE([glob.h]) gl_CHECK_NEXT_HEADERS([glob.h]) if test $ac_cv_header_glob_h = yes; then HAVE_GLOB_H=1 else HAVE_GLOB_H=0 fi AC_SUBST([HAVE_GLOB_H]) m4_ifdef([gl_POSIXCHECK], [GL_GENERATE_GLOB_H=true], [GL_GENERATE_GLOB_H=false if m4_ifdef([gl_ANSI_CXX], [test "$CXX" != no], [false]); then dnl Override <glob.h> always, to support the C++ GNULIB_NAMESPACE. GL_GENERATE_GLOB_H=true else if test $ac_cv_header_glob_h != yes; then dnl Provide a substitute <glob.h> file. GL_GENERATE_GLOB_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 <glob.h> ]], [glob globfree glob_pattern_p]) ]) dnl Unconditionally enables the replacement of <glob.h>. AC_DEFUN([gl_REPLACE_GLOB_H], [ gl_GLOB_H_REQUIRE_DEFAULTS GL_GENERATE_GLOB_H=true ]) # gl_GLOB_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_GLOB_MODULE_INDICATOR], [ dnl Ensure to expand the default settings once only. gl_GLOB_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_GLOB_H_REQUIRE_DEFAULTS], [ m4_defun(GL_MODULE_INDICATOR_PREFIX[_GLOB_H_MODULE_INDICATOR_DEFAULTS], [ gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_GLOB]) ]) m4_require(GL_MODULE_INDICATOR_PREFIX[_GLOB_H_MODULE_INDICATOR_DEFAULTS]) AC_REQUIRE([gl_GLOB_H_DEFAULTS]) ]) AC_DEFUN([gl_GLOB_H_DEFAULTS], [ dnl Assume POSIX and GNU behavior unless another module says otherwise. HAVE_GLOB=1; AC_SUBST([HAVE_GLOB]) HAVE_GLOB_PATTERN_P=1; AC_SUBST([HAVE_GLOB_PATTERN_P]) REPLACE_GLOB=0; AC_SUBST([REPLACE_GLOB]) REPLACE_GLOB_PATTERN_P=0; AC_SUBST([REPLACE_GLOB_PATTERN_P]) ])