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changed AC_COMPILE_IFELSE to AC_TRY_LINK in checking __builtin_memXXX functions

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hyung-hwan
2022-07-19 03:27:00 +00:00
parent 35133f58af
commit d7aaa63fb7
2 changed files with 24 additions and 16 deletions
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20
configure.ac
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@ -73,32 +73,36 @@ AX_PTHREAD()
dnl check some compiler builtins
AC_MSG_CHECKING([__builtin_memset])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([], [__builtin_memset ((void*)1, ' ', 10);])],
AC_TRY_LINK(
[],
[__builtin_memset ((void*)1, ' ', 10);],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE___BUILTIN_MEMSET], [1], [__builtin_memset])],
[AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING([__builtin_memcpy])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([], [__builtin_memcpy ((void*)1, (void*)2, 10);])],
AC_TRY_LINK(
[],
[__builtin_memcpy ((void*)1, (void*)2, 10);],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE___BUILTIN_MEMCPY], [1], [__builtin_memcpy])],
[AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING([__builtin_memmove])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([], [__builtin_memmove ((void*)1, (void*)2, 10);])],
AC_TRY_LINK(
[],
[__builtin_memmove ((void*)1, (void*)2, 10);],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE___BUILTIN_MEMMOVE], [1], [__builtin_memmove])],
[AC_MSG_RESULT(no)]
)
AC_MSG_CHECKING([__builtin_memcmp])
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([], [int a = __builtin_memcmp ((void*)1, (void*)2, 10);])],
AC_TRY_LINK(
[],
[int a = __builtin_memcmp ((void*)1, (void*)2, 10);],
[AC_MSG_RESULT(yes)
AC_DEFINE([HAVE___BUILTIN_MEMCMP], [1], [__builtin_memcmp])],
[AC_MSG_RESULT(no)]