28 lines
751 B
Plaintext
28 lines
751 B
Plaintext
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sinclude(../config/accross.m4)
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dnl See if stdbool.h properly defines bool and true/false.
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AC_DEFUN(gcc_AC_HEADER_STDBOOL,
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[AC_CACHE_CHECK([for working stdbool.h],
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ac_cv_header_stdbool_h,
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[AC_TRY_COMPILE([#include <stdbool.h>],
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[bool foo = false;],
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ac_cv_header_stdbool_h=yes, ac_cv_header_stdbool_h=no)])
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if test $ac_cv_header_stdbool_h = yes; then
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AC_DEFINE(HAVE_STDBOOL_H, 1,
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[Define if you have a working <stdbool.h> header file.])
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fi
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])
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dnl Check whether _Bool is built-in.
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AC_DEFUN(gcc_AC_C__BOOL,
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[AC_CACHE_CHECK(for built-in _Bool, gcc_cv_c__bool,
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[AC_TRY_COMPILE(,
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[_Bool foo;],
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gcc_cv_c__bool=yes, gcc_cv_c__bool=no)
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])
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if test $gcc_cv_c__bool = yes; then
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AC_DEFINE(HAVE__BOOL, 1, [Define if the \`_Bool' type is built-in.])
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fi
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])
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