Blame gnulib/m4/secure_getenv.m4
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# Look up an environment variable more securely.
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dnl Copyright 2013-2014 Free Software Foundation, Inc.
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dnl This file is free software; the Free Software Foundation
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dnl gives unlimited permission to copy and/or distribute it,
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dnl with or without modifications, as long as this notice is preserved.
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AC_DEFUN([gl_FUNC_SECURE_GETENV],
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[
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dnl Persuade glibc <stdlib.h> to declare secure_getenv().
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AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
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AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
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AC_CHECK_FUNCS_ONCE([secure_getenv])
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if test $ac_cv_func_secure_getenv = no; then
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HAVE_SECURE_GETENV=0
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fi
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])
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# Prerequisites of lib/secure_getenv.c.
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AC_DEFUN([gl_PREREQ_SECURE_GETENV], [
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AC_CHECK_FUNCS([__secure_getenv])
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if test $ac_cv_func___secure_getenv = no; then
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AC_CHECK_FUNCS([issetugid])
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fi
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])
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