X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Ffseeko.m4;h=4ccb57d0df0f1eb8036fc68b8b55372a276f491d;hb=7422b7ede18016dea87d207cbb7535428afba3ec;hp=28da81b1ccf5675e58978b020d05cabd0d1f31d1;hpb=b6772983c800c6faee7fc793b83975afb6d58bcc;p=gnulib.git diff --git a/m4/fseeko.m4 b/m4/fseeko.m4 index 28da81b1c..4ccb57d0d 100644 --- a/m4/fseeko.m4 +++ b/m4/fseeko.m4 @@ -1,5 +1,5 @@ -# fseeko.m4 serial 12 -dnl Copyright (C) 2007-2011 Free Software Foundation, Inc. +# fseeko.m4 serial 17 +dnl Copyright (C) 2007-2014 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. @@ -7,34 +7,8 @@ dnl with or without modifications, as long as this notice is preserved. AC_DEFUN([gl_FUNC_FSEEKO], [ AC_REQUIRE([gl_STDIO_H_DEFAULTS]) - AC_REQUIRE([gl_HAVE_FSEEKO]) AC_REQUIRE([gl_STDIN_LARGE_OFFSET]) - - AC_CHECK_DECLS_ONCE([fseeko]) - if test $ac_cv_have_decl_fseeko = no; then - HAVE_DECL_FSEEKO=0 - fi - - if test $gl_cv_func_fseeko = no; then - HAVE_FSEEKO=0 - gl_REPLACE_FSEEKO - else - if test $gl_cv_var_stdin_large_offset = no; then - gl_REPLACE_FSEEKO - fi - fi - m4_ifdef([gl_FUNC_FFLUSH_STDIN], [ - gl_FUNC_FFLUSH_STDIN - if test $gl_cv_func_fflush_stdin = no; then - gl_REPLACE_FSEEKO - fi - ]) -]) - -dnl Tests whether fseeko is available. -dnl Result is gl_cv_func_fseeko. -AC_DEFUN([gl_HAVE_FSEEKO], -[ + AC_REQUIRE([gl_SYS_TYPES_H]) AC_REQUIRE([AC_PROG_CC]) dnl Persuade glibc to declare fseeko(). @@ -46,18 +20,28 @@ AC_DEFUN([gl_HAVE_FSEEKO], ]], [fseeko (stdin, 0, 0);])], [gl_cv_func_fseeko=yes], [gl_cv_func_fseeko=no]) ]) -]) -AC_DEFUN([gl_REPLACE_FSEEKO], -[ - AC_REQUIRE([gl_STDIO_H_DEFAULTS]) - AC_REQUIRE([gl_HAVE_FSEEKO]) - if test $gl_cv_func_fseeko = yes; then - REPLACE_FSEEKO=1 + AC_CHECK_DECLS_ONCE([fseeko]) + if test $ac_cv_have_decl_fseeko = no; then + HAVE_DECL_FSEEKO=0 + fi + + if test $gl_cv_func_fseeko = no; then + HAVE_FSEEKO=0 + else + if test $WINDOWS_64_BIT_OFF_T = 1; then + REPLACE_FSEEKO=1 + fi + if test $gl_cv_var_stdin_large_offset = no; then + REPLACE_FSEEKO=1 + fi + m4_ifdef([gl_FUNC_FFLUSH_STDIN], [ + gl_FUNC_FFLUSH_STDIN + if test $gl_cv_func_fflush_stdin != yes; then + REPLACE_FSEEKO=1 + fi + ]) fi - AC_LIBOBJ([fseeko]) - dnl If we are also using the fseek module, then fseek needs replacing, too. - m4_ifdef([gl_REPLACE_FSEEK], [gl_REPLACE_FSEEK]) ]) dnl Code shared by fseeko and ftello. Determine if large files are supported, @@ -79,3 +63,11 @@ AC_DEFUN([gl_STDIN_LARGE_OFFSET], [gl_cv_var_stdin_large_offset=yes], [gl_cv_var_stdin_large_offset=no])]) ]) + +# Prerequisites of lib/fseeko.c. +AC_DEFUN([gl_PREREQ_FSEEKO], +[ + dnl Native Windows has the function _fseeki64. mingw hides it, but mingw64 + dnl makes it usable again. + AC_CHECK_FUNCS([_fseeki64]) +])