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configure: make sure to call AC_CHECK_HEADER_STDBOOL #112

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Merged
davecramer merged 1 commit into from
Apr 24, 2025
Merged

configure: make sure to call AC_CHECK_HEADER_STDBOOL #112

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4 changes: 3 additions & 1 deletion configure.ac
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Original file line number Diff line number Diff line change
Expand Up @@ -28,9 +28,11 @@ AC_CHECK_SIZEOF([bool], [],
#include <stdbool.h>
#endif])

AC_CHECK_HEADER_STDBOOL()

dnl We use <stdbool.h> if we have it and it declares type bool as having
dnl size 1. Otherwise, c.h will fall back to declaring bool as unsigned char.
if test "$ac_cv_header_stdbool_h" = yes -a "$ac_cv_sizeof_bool" = 1; then
if test "$ac_cv_header_stdbool_h" = yes && test "$ac_cv_sizeof_bool" = 1; then
AC_DEFINE([PG_USE_STDBOOL], 1,
[Define to 1 to use <stdbool.h> to define type bool.])
fi
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