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author | Jörg Frings-Fürst <debian@jff.email> | 2022-01-08 11:53:52 +0100 |
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committer | Jörg Frings-Fürst <debian@jff.email> | 2022-01-08 11:53:52 +0100 |
commit | fa838e76139763f902c7d27cb9e1d393ed6a15e4 (patch) | |
tree | 7d0ae09775ea950056193eaa2ca93844299d46f1 /gnulib-m4/ctype_h.m4 | |
parent | c78359d9542c86b972aac373efcf7bc7a8a560e5 (diff) | |
parent | 2959e59fab3bab834368adefd90bd4b1b094366b (diff) |
Merge branch 'feature/upstream' into develop
Diffstat (limited to 'gnulib-m4/ctype_h.m4')
-rw-r--r-- | gnulib-m4/ctype_h.m4 | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gnulib-m4/ctype_h.m4 b/gnulib-m4/ctype_h.m4 new file mode 100644 index 00000000..6f420de3 --- /dev/null +++ b/gnulib-m4/ctype_h.m4 @@ -0,0 +1,47 @@ +# ctype_h.m4 serial 9 +dnl Copyright (C) 2009-2022 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. + +AC_DEFUN_ONCE([gl_CTYPE_H], +[ + AC_REQUIRE([gl_CTYPE_H_DEFAULTS]) + + dnl <ctype.h> is always overridden, because of GNULIB_POSIXCHECK. + gl_NEXT_HEADERS([ctype.h]) + + 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 <ctype.h> + ]], [isblank]) +]) + +# gl_CTYPE_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_CTYPE_MODULE_INDICATOR], +[ + dnl Ensure to expand the default settings once only. + gl_CTYPE_H_REQUIRE_DEFAULTS + gl_MODULE_INDICATOR_SET_VARIABLE([$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_CTYPE_H_REQUIRE_DEFAULTS], +[ + m4_defun(GL_MODULE_INDICATOR_PREFIX[_CTYPE_H_MODULE_INDICATOR_DEFAULTS], [ + gl_MODULE_INDICATOR_INIT_VARIABLE([GNULIB_ISBLANK]) + ]) + m4_require(GL_MODULE_INDICATOR_PREFIX[_CTYPE_H_MODULE_INDICATOR_DEFAULTS]) + AC_REQUIRE([gl_CTYPE_H_DEFAULTS]) +]) + +AC_DEFUN([gl_CTYPE_H_DEFAULTS], +[ + dnl Assume proper GNU behavior unless another module says otherwise. + HAVE_ISBLANK=1; AC_SUBST([HAVE_ISBLANK]) +]) |