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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:37:10 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:37:10 +0000
commitc9addba5cc770d2d231b34f6739f32c6be8690f1 (patch)
treec643da154a95a1d163137135050bb47858a1654e /gl/m4/reallocarray.m4
parentInitial commit. (diff)
downloadman-db-c9addba5cc770d2d231b34f6739f32c6be8690f1.tar.xz
man-db-c9addba5cc770d2d231b34f6739f32c6be8690f1.zip
Adding upstream version 2.12.0.upstream/2.12.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gl/m4/reallocarray.m4')
-rw-r--r--gl/m4/reallocarray.m426
1 files changed, 26 insertions, 0 deletions
diff --git a/gl/m4/reallocarray.m4 b/gl/m4/reallocarray.m4
new file mode 100644
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+++ b/gl/m4/reallocarray.m4
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+# reallocarray.m4 serial 5
+dnl Copyright (C) 2017-2023 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([gl_FUNC_REALLOCARRAY],
+[
+ dnl Persuade glibc <stdlib.h> to declare reallocarray.
+ AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+
+ AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
+ AC_REQUIRE([gl_CHECK_MALLOC_PTRDIFF])
+ gl_CHECK_FUNCS_ANDROID([reallocarray], [[#include <stdlib.h>]])
+ if test "$ac_cv_func_reallocarray" = no; then
+ HAVE_REALLOCARRAY=0
+ case "$gl_cv_onwards_func_reallocarray" in
+ future*) REPLACE_REALLOCARRAY=1 ;;
+ esac
+ elif test "$gl_cv_malloc_ptrdiff" = no; then
+ REPLACE_REALLOCARRAY=1
+ fi
+])
+
+# Prerequisites of lib/reallocarray.c.
+AC_DEFUN([gl_PREREQ_REALLOCARRAY], [:])