| 1 | # serial 17
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| 2 |
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| 3 | # Copyright (C) 2001, 2003-2004, 2006, 2008-2022 Free Software Foundation, Inc.
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| 4 | # This file is free software; the Free Software Foundation
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| 5 | # gives unlimited permission to copy and/or distribute it,
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| 6 | # with or without modifications, as long as this notice is preserved.
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| 7 |
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| 8 | # On some systems, mkdir ("foo/", 0700) fails because of the trailing slash.
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| 9 | # On others, mkdir ("foo/./", 0700) mistakenly succeeds.
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| 10 | # On such systems, arrange to use a wrapper function.
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| 11 | AC_DEFUN([gl_FUNC_MKDIR],
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| 12 | [dnl
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| 13 | AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
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| 14 | AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
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| 15 | AC_CHECK_HEADERS_ONCE([unistd.h])
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| 16 | AC_CACHE_CHECK([whether mkdir handles trailing slash],
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| 17 | [gl_cv_func_mkdir_trailing_slash_works],
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| 18 | [rm -rf conftest.dir
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| 19 | AC_RUN_IFELSE(
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| 20 | [AC_LANG_PROGRAM([[
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| 21 | #include <sys/types.h>
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| 22 | #include <sys/stat.h>
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| 23 | ]GL_MDA_DEFINES],
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| 24 | [[return mkdir ("conftest.dir/", 0700);]])],
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| 25 | [gl_cv_func_mkdir_trailing_slash_works=yes],
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| 26 | [gl_cv_func_mkdir_trailing_slash_works=no],
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| 27 | [case "$host_os" in
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| 28 | # Guess yes on Linux systems.
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| 29 | linux-* | linux) gl_cv_func_mkdir_trailing_slash_works="guessing yes" ;;
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| 30 | # Guess yes on glibc systems.
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| 31 | *-gnu* | gnu*) gl_cv_func_mkdir_trailing_slash_works="guessing yes" ;;
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| 32 | # Guess yes on MSVC, no on mingw.
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| 33 | mingw*) AC_EGREP_CPP([Known], [
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| 34 | #ifdef _MSC_VER
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| 35 | Known
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| 36 | #endif
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| 37 | ],
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| 38 | [gl_cv_func_mkdir_trailing_slash_works="guessing yes"],
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| 39 | [gl_cv_func_mkdir_trailing_slash_works="guessing no"])
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| 40 | ;;
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| 41 | # If we don't know, obey --enable-cross-guesses.
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| 42 | *) gl_cv_func_mkdir_trailing_slash_works="$gl_cross_guess_normal" ;;
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| 43 | esac
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| 44 | ])
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| 45 | rm -rf conftest.dir
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| 46 | ])
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| 47 | case "$gl_cv_func_mkdir_trailing_slash_works" in
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| 48 | *yes) ;;
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| 49 | *)
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| 50 | REPLACE_MKDIR=1
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| 51 | ;;
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| 52 | esac
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| 53 |
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| 54 | AC_CACHE_CHECK([whether mkdir handles trailing dot],
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| 55 | [gl_cv_func_mkdir_trailing_dot_works],
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| 56 | [rm -rf conftest.dir
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| 57 | AC_RUN_IFELSE(
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| 58 | [AC_LANG_PROGRAM([[
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| 59 | #include <sys/types.h>
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| 60 | #include <sys/stat.h>
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| 61 | ]GL_MDA_DEFINES],
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| 62 | [[return !mkdir ("conftest.dir/./", 0700);]])],
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| 63 | [gl_cv_func_mkdir_trailing_dot_works=yes],
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| 64 | [gl_cv_func_mkdir_trailing_dot_works=no],
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| 65 | [case "$host_os" in
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| 66 | # Guess yes on glibc systems.
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| 67 | *-gnu* | gnu*) gl_cv_func_mkdir_trailing_dot_works="guessing yes" ;;
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| 68 | # Guess yes on musl systems.
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| 69 | *-musl*) gl_cv_func_mkdir_trailing_dot_works="guessing yes" ;;
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| 70 | # Guess no on native Windows.
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| 71 | mingw*) gl_cv_func_mkdir_trailing_dot_works="guessing no" ;;
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| 72 | # If we don't know, obey --enable-cross-guesses.
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| 73 | *) gl_cv_func_mkdir_trailing_dot_works="$gl_cross_guess_normal" ;;
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| 74 | esac
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| 75 | ])
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| 76 | rm -rf conftest.dir
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| 77 | ]
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| 78 | )
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| 79 | case "$gl_cv_func_mkdir_trailing_dot_works" in
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| 80 | *yes) ;;
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| 81 | *)
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| 82 | REPLACE_MKDIR=1
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| 83 | AC_DEFINE([FUNC_MKDIR_DOT_BUG], [1], [Define to 1 if mkdir mistakenly
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| 84 | creates a directory given with a trailing dot component.])
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| 85 | ;;
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| 86 | esac
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| 87 | ])
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