Mercurial > gnulib
view m4/secure_getenv.m4 @ 40232:6771da173563
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author | Karl Berry <karl@freefriends.org> |
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date | Tue, 12 Mar 2019 09:07:54 -0700 |
parents | b06060465f09 |
children |
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# Look up an environment variable more securely. dnl Copyright 2013-2019 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_SECURE_GETENV], [ dnl Persuade glibc <stdlib.h> to declare secure_getenv(). AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS]) AC_REQUIRE([gl_STDLIB_H_DEFAULTS]) AC_CHECK_FUNCS_ONCE([secure_getenv]) if test $ac_cv_func_secure_getenv = no; then HAVE_SECURE_GETENV=0 fi ]) # Prerequisites of lib/secure_getenv.c. AC_DEFUN([gl_PREREQ_SECURE_GETENV], [ AC_CHECK_FUNCS([__secure_getenv]) if test $ac_cv_func___secure_getenv = no; then AC_CHECK_FUNCS([issetugid]) fi AC_CHECK_FUNCS_ONCE([getuid geteuid getgid getegid]) ])