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memcmp: Simplify autoconf macro.
[gnulib.git]
/
m4
/
search_h.m4
diff --git
a/m4/search_h.m4
b/m4/search_h.m4
index
9074dd4
..
f656fda
100644
(file)
--- a/
m4/search_h.m4
+++ b/
m4/search_h.m4
@@
-1,5
+1,5
@@
-# search_h.m4 serial
3
-dnl Copyright (C) 2007-201
0
Free Software Foundation, Inc.
+# search_h.m4 serial
8
+dnl Copyright (C) 2007-201
1
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 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.
@@
-14,13
+14,20
@@
AC_DEFUN([gl_SEARCH_H],
HAVE_SEARCH_H=0
fi
AC_SUBST([HAVE_SEARCH_H])
HAVE_SEARCH_H=0
fi
AC_SUBST([HAVE_SEARCH_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 <search.h>
+ ]], [tdelete tfind tsearch twalk])
])
AC_DEFUN([gl_SEARCH_MODULE_INDICATOR],
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
AC_REQUIRE([gl_SEARCH_H_DEFAULTS])
])
AC_DEFUN([gl_SEARCH_MODULE_INDICATOR],
[
dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
AC_REQUIRE([gl_SEARCH_H_DEFAULTS])
- GNULIB_[]m4_translit([$1],[abcdefghijklmnopqrstuvwxyz./-],[ABCDEFGHIJKLMNOPQRSTUVWXYZ___])=1
+ 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])
])
AC_DEFUN([gl_SEARCH_H_DEFAULTS],
])
AC_DEFUN([gl_SEARCH_H_DEFAULTS],