From 187cbb7550d4e58c38d289e6d5201c6fdcb0cf07 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Wed, 12 Jan 2000 06:56:54 +0000 Subject: [PATCH] *** empty log message *** --- m4/ChangeLog | 11 +++++++++++ m4/c-bs-a.m4 | 25 +++++++++++++++++++++++++ 2 files changed, 36 insertions(+) create mode 100644 m4/c-bs-a.m4 diff --git a/m4/ChangeLog b/m4/ChangeLog index 7c62cddf0..ac2d86a5a 100644 --- a/m4/ChangeLog +++ b/m4/ChangeLog @@ -1,3 +1,14 @@ +2000-01-11 Paul Eggert + + Quote multibyte characters correctly. + * m4/c-bs-a.m4: New file. + * m4/prereq.m4 (jm_PREREQ_QUOTEARG): New macro. + (jm_PREREQ): Use it. + +2000-01-11 Paul Eggert + + * m4/uintmax_t.m4: Port to autoconf 2.13. + 2000-01-08 Jim Meyering * strerror_r.m4 (jm_FUNC_STRERROR_R): New file/macro. diff --git a/m4/c-bs-a.m4 b/m4/c-bs-a.m4 new file mode 100644 index 000000000..ceb26ae59 --- /dev/null +++ b/m4/c-bs-a.m4 @@ -0,0 +1,25 @@ +#serial 1 + +dnl From Paul Eggert. + +AC_DEFUN(AC_C_BACKSLASH_A, +[ + AC_CACHE_CHECK([whether backslash-a works in strings], ac_cv_c_backslash_a, + [AC_TRY_COMPILE([], + [ + changequote(, ) dnl +#if '\a' == 'a' + syntax error; +#endif + char buf['\a' == 'a' ? -1 : 1]; + buf[0] = '\a'; + return buf[0] != "\a"[0]; + changequote([, ])dnl + ], + ac_cv_c_backslash_a=yes, + ac_cv_c_backslash_a=no)]) + if test $ac_cv_c_backslash_a = yes; then + AC_DEFINE(HAVE_C_BACKSLASH_A, 1, + [Define if backslash-a works in C strings.]) + fi +]) -- 2.11.0