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Make HashContexts serializable #5702

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14 changes: 14 additions & 0 deletions configure.ac
Original file line number Diff line number Diff line change
Expand Up @@ -491,6 +491,20 @@ PHP_CHECK_BUILTIN_CPU_INIT
dnl Check __builtin_cpu_supports
PHP_CHECK_BUILTIN_CPU_SUPPORTS

dnl Check for __alignof__ support in the compiler
AC_CACHE_CHECK(whether the compiler supports __alignof__, ac_cv_alignof_exists,[
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
]],[[
int align = __alignof__(int);
]])],[
ac_cv_alignof_exists=yes
],[
ac_cv_alignof_exists=no
])])
if test "$ac_cv_alignof_exists" = "yes"; then
AC_DEFINE([HAVE_ALIGNOF], 1, [whether the compiler supports __alignof__])
fi

dnl Check for structure members.
AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[#include <time.h>])
AC_CHECK_MEMBERS([struct stat.st_blksize, struct stat.st_rdev])
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