nasm/autoconf/m4/pa_have_func.m4
H. Peter Anvin b0121dc312 autoconf: use librarized autoconf setup
I have been setting up a cross-project librarized autoconf setup; use
it for NASM as well.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
2018-12-22 18:17:16 -08:00

21 lines
600 B
Plaintext

dnl --------------------------------------------------------------------------
dnl PA_HAVE_FUNC(func_name)
dnl
dnl Look for a function with the specified arguments which could be
dnl a builtin/intrinsic function.
dnl --------------------------------------------------------------------------
AC_DEFUN([PA_HAVE_FUNC],
[AC_MSG_CHECKING([for $1])
AC_LINK_IFELSE([AC_LANG_SOURCE([
AC_INCLUDES_DEFAULT
int main(void) {
(void)$1$2;
return 0;
}
])],
[AC_MSG_RESULT([yes])
AC_DEFINE(AS_TR_CPP([HAVE_$1]), 1,
[Define to 1 if you have the `$1' intrinsic function.])],
[AC_MSG_RESULT([no])])
])