X-Git-Url: https://git.gag.com/?p=debian%2Famanda;a=blobdiff_plain;f=config%2Fgnulib%2Flseek.m4;h=b0612c7e1791a2adbb051ff7d2cb06e786967663;hp=f336990709c2636072aacfd763a764da1d12db4a;hb=b116e9366c7b2ea2c2eb53b0a13df4090e176235;hpb=fd48f3e498442f0cbff5f3606c7c403d0566150e diff --git a/config/gnulib/lseek.m4 b/config/gnulib/lseek.m4 index f336990..b0612c7 100644 --- a/config/gnulib/lseek.m4 +++ b/config/gnulib/lseek.m4 @@ -1,5 +1,5 @@ -# lseek.m4 serial 4 -dnl Copyright (C) 2007 Free Software Foundation, Inc. +# lseek.m4 serial 6 +dnl Copyright (C) 2007, 2009, 2010 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, dnl with or without modifications, as long as this notice is preserved. @@ -10,30 +10,29 @@ AC_DEFUN([gl_FUNC_LSEEK], AC_REQUIRE([AC_PROG_CC]) AC_CACHE_CHECK([whether lseek detects pipes], [gl_cv_func_lseek_pipe], [if test $cross_compiling = no; then - AC_LINK_IFELSE([ + AC_LINK_IFELSE([AC_LANG_PROGRAM([[ #include /* for off_t */ #include /* for SEEK_CUR */ -#include -int main () -{ +#include ]], [[ /* Exit with success only if stdin is seekable. */ return lseek (0, (off_t)0, SEEK_CUR) < 0; -}], - [if test -s conftest$ac_exeext \ - && ./conftest$ac_exeext < conftest.$ac_ext \ - && { echo hi | ./conftest$ac_exeext; test $? = 1; }; then - gl_cv_func_lseek_pipe=yes - else - gl_cv_func_lseek_pipe=no - fi], - [gl_cv_func_lseek_pipe=no]) +]])], + [if test -s conftest$ac_exeext \ + && ./conftest$ac_exeext < conftest.$ac_ext \ + && test 1 = "`echo hi \ + | { ./conftest$ac_exeext; echo $?; cat >/dev/null; }`"; then + gl_cv_func_lseek_pipe=yes + else + gl_cv_func_lseek_pipe=no + fi], + [gl_cv_func_lseek_pipe=no]) else - AC_COMPILE_IFELSE([ + AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ #if ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__) || defined __BEOS__ /* mingw and BeOS mistakenly return 0 when trying to seek on pipes. */ Choke me. -#endif], - [gl_cv_func_lseek_pipe=yes], [gl_cv_func_lseek_pipe=no]) +#endif]])], + [gl_cv_func_lseek_pipe=yes], [gl_cv_func_lseek_pipe=no]) fi]) if test $gl_cv_func_lseek_pipe = no; then gl_REPLACE_LSEEK @@ -46,5 +45,5 @@ AC_DEFUN([gl_REPLACE_LSEEK], AC_REQUIRE([gl_UNISTD_H_DEFAULTS]) REPLACE_LSEEK=1 AC_DEFINE([LSEEK_PIPE_BROKEN], [1], - [Define to 1 if lseek does not detect pipes.]) + [Define to 1 if lseek does not detect pipes.]) ])