793 |
AU_DEFUN([AC_PROG_CC_STDC], []) |
AU_DEFUN([AC_PROG_CC_STDC], []) |
794 |
|
|
795 |
|
|
796 |
|
# AC_C_BACKSLASH_A |
797 |
|
# ---------------- |
798 |
|
AC_DEFUN([AC_C_BACKSLASH_A], |
799 |
|
[ |
800 |
|
AC_CACHE_CHECK([whether backslash-a works in strings], ac_cv_c_backslash_a, |
801 |
|
[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], |
802 |
|
[[ |
803 |
|
#if '\a' == 'a' |
804 |
|
syntax error; |
805 |
|
#endif |
806 |
|
char buf['\a' == 'a' ? -1 : 1]; |
807 |
|
buf[0] = '\a'; |
808 |
|
return buf[0] != "\a"[0]; |
809 |
|
]])], |
810 |
|
[ac_cv_c_backslash_a=yes], |
811 |
|
[ac_cv_c_backslash_a=no])]) |
812 |
|
if test $ac_cv_c_backslash_a = yes; then |
813 |
|
AC_DEFINE(HAVE_C_BACKSLASH_A, 1, |
814 |
|
[Define if backslash-a works in C strings.]) |
815 |
|
fi |
816 |
|
]) |
817 |
|
|
818 |
|
|
819 |
# AC_C_CROSS |
# AC_C_CROSS |
820 |
# ---------- |
# ---------- |
821 |
# Has been merged into AC_PROG_CC. |
# Has been merged into AC_PROG_CC. |