X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=m4%2Frename.m4;h=547ee0f44ad0e98cc19eefa534e327a14f830691;hb=423d3cac13c30bb0d5f85e5fac6ab1406ed1731a;hp=e090e983e4fd73f1ba090ed32d18531672c0606e;hpb=3030c5b5e0a5199e16b05927da72c43c42f211c3;p=gnulib.git diff --git a/m4/rename.m4 b/m4/rename.m4 index e090e983e..547ee0f44 100644 --- a/m4/rename.m4 +++ b/m4/rename.m4 @@ -1,6 +1,6 @@ -# serial 21 +# serial 23 -# Copyright (C) 2001, 2003, 2005-2006, 2009 Free Software Foundation, Inc. +# Copyright (C) 2001, 2003, 2005-2006, 2009-2010 Free Software Foundation, Inc. # This file is free software; the Free Software Foundation # gives unlimited permission to copy and/or distribute it, # with or without modifications, as long as this notice is preserved. @@ -19,7 +19,7 @@ AC_DEFUN([gl_FUNC_RENAME], AC_REQUIRE([gl_STDIO_H_DEFAULTS]) AC_CHECK_FUNCS_ONCE([lstat]) - dnl Solaris 10 mistakenly allows rename("file","name/"). + dnl Solaris 10, AIX 7.1 mistakenly allow rename("file","name/"). dnl NetBSD 1.6 mistakenly forbids rename("dir","name/"). dnl FreeBSD 7.2 mistakenly allows rename("file","link-to-file/"). dnl The Solaris bug can be worked around without stripping @@ -28,27 +28,34 @@ AC_DEFUN([gl_FUNC_RENAME], dnl links are also broken. AC_CACHE_CHECK([whether rename honors trailing slash on destination], [gl_cv_func_rename_slash_dst_works], - [rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2 conftest.lnk - touch conftest.f && mkdir conftest.d1 || + [rm -rf conftest.f conftest.f1 conftest.f2 conftest.d1 conftest.d2 conftest.lnk + touch conftest.f && touch conftest.f1 && mkdir conftest.d1 || AC_MSG_ERROR([cannot create temporary files]) # Assume that if we have lstat, we can also check symlinks. if test $ac_cv_func_lstat = yes; then ln -s conftest.f conftest.lnk fi - AC_RUN_IFELSE([AC_LANG_PROGRAM([[ -# include -# include -]], [if (rename ("conftest.f", "conftest.f1/") == 0) return 1; - if (rename ("conftest.d1", "conftest.d2/") != 0) return 2; + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([[ +# include +# include + ]], + [[int result = 0; + if (rename ("conftest.f1", "conftest.f2/") == 0) + result |= 1; + if (rename ("conftest.d1", "conftest.d2/") != 0) + result |= 2; #if HAVE_LSTAT - if (rename ("conftest.f", "conftest.lnk/") == 0) return 3; + if (rename ("conftest.f", "conftest.lnk/") == 0) + result |= 4; #endif - ])], + return result; + ]])], [gl_cv_func_rename_slash_dst_works=yes], [gl_cv_func_rename_slash_dst_works=no], dnl When crosscompiling, assume rename is broken. [gl_cv_func_rename_slash_dst_works="guessing no"]) - rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2 conftest.lnk + rm -rf conftest.f conftest.f1 conftest.f2 conftest.d1 conftest.d2 conftest.lnk ]) if test "x$gl_cv_func_rename_slash_dst_works" != xyes; then AC_LIBOBJ([rename]) @@ -65,27 +72,34 @@ AC_DEFUN([gl_FUNC_RENAME], dnl symlinks with a trailing slash. AC_CACHE_CHECK([whether rename honors trailing slash on source], [gl_cv_func_rename_slash_src_works], - [rm -rf conftest.f conftest.d1 conftest.d2 conftest.lnk - touch conftest.f && mkdir conftest.d1 || + [rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2 conftest.d3 conftest.lnk + touch conftest.f && touch conftest.f1 && mkdir conftest.d1 || AC_MSG_ERROR([cannot create temporary files]) # Assume that if we have lstat, we can also check symlinks. if test $ac_cv_func_lstat = yes; then ln -s conftest.f conftest.lnk fi - AC_RUN_IFELSE([AC_LANG_PROGRAM([[ -# include -# include -]], [if (rename ("conftest.f/", "conftest.d2") == 0) return 1; - if (rename ("conftest.d1/", "conftest.d2") != 0) return 2; + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([[ +# include +# include + ]], + [[int result = 0; + if (rename ("conftest.f1/", "conftest.d3") == 0) + result |= 1; + if (rename ("conftest.d1/", "conftest.d2") != 0) + result |= 2; #if HAVE_LSTAT - if (rename ("conftest.lnk/", "conftest.f") == 0) return 3; + if (rename ("conftest.lnk/", "conftest.f") == 0) + result |= 4; #endif - ])], + return result; + ]])], [gl_cv_func_rename_slash_src_works=yes], [gl_cv_func_rename_slash_src_works=no], dnl When crosscompiling, assume rename is broken. [gl_cv_func_rename_slash_src_works="guessing no"]) - rm -rf conftest.f conftest.d1 conftest.d2 conftest.lnk + rm -rf conftest.f conftest.f1 conftest.d1 conftest.d2 conftest.d3 conftest.lnk ]) if test "x$gl_cv_func_rename_slash_src_works" != xyes; then AC_LIBOBJ([rename]) @@ -103,14 +117,23 @@ AC_DEFUN([gl_FUNC_RENAME], [rm -rf conftest.f conftest.f1 if touch conftest.f && ln conftest.f conftest.f1 && set x `ls -i conftest.f conftest.f1` && test "$2" = "$4"; then - AC_RUN_IFELSE([AC_LANG_PROGRAM([[ -# include -# include -# include -]], [if (rename ("conftest.f", "conftest.f1")) return 1; - if (unlink ("conftest.f1")) return 2; - if (rename ("conftest.f", "conftest.f")) return 3; - if (rename ("conftest.f1", "conftest.f1") == 0) return 4;])], + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([[ +# include +# include +# include + ]], + [[int result = 0; + if (rename ("conftest.f", "conftest.f1")) + result |= 1; + if (unlink ("conftest.f1")) + result |= 2; + if (rename ("conftest.f", "conftest.f")) + result |= 4; + if (rename ("conftest.f1", "conftest.f1") == 0) + result |= 8; + return result; + ]])], [gl_cv_func_rename_link_works=yes], [gl_cv_func_rename_link_works=no], dnl When crosscompiling, assume rename is broken. @@ -137,11 +160,18 @@ AC_DEFUN([gl_FUNC_RENAME], [rm -rf conftest.f conftest.d1 conftest.d2 touch conftest.f && mkdir conftest.d1 conftest.d2 || AC_MSG_ERROR([cannot create temporary files]) - AC_RUN_IFELSE([AC_LANG_PROGRAM([[ -# include -# include -]], [if (rename ("conftest.d1", "conftest.d2") != 0) return 1; - if (rename ("conftest.d2", "conftest.f") == 0) return 2;])], + AC_RUN_IFELSE( + [AC_LANG_PROGRAM([[ +# include +# include + ]], + [[int result = 0; + if (rename ("conftest.d1", "conftest.d2") != 0) + result |= 1; + if (rename ("conftest.d2", "conftest.f") == 0) + result |= 2; + return result; + ]])], [gl_cv_func_rename_dest_works=yes], [gl_cv_func_rename_dest_works=no], dnl When crosscompiling, assume rename is broken.