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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_REQUIRE([gl_UNISTD_H_DEFAULTS])
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dnl Persuade glibc <unistd.h> to declare environ.
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AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
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/* mingw, BeOS, Haiku declare environ in <stdlib.h>, not in <unistd.h>. */
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if test $gt_cv_var_environ_declaration != yes; then