/[autoconf]/autoconf/lib/autoconf/c.m4
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revision 1.165 by akim, Fri Jun 7 10:04:28 2002 UTC revision 1.166 by akim, Tue Jul 16 13:37:53 2002 UTC
# Line 793  esac Line 793  esac
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.

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