This patch is to import lstat gnulib module.
gdb:
2014-11-28 Yao Qi <yao@codesourcery.com>
* gnulib/update-gnulib.sh (IMPORTED_GNULIB_MODULES): Add
lstat.
* gnulib/aclocal.m4: Re-generated.
* gnulib/config.in: Re-generated.
* gnulib/configure: Re-generated.
* gnulib/import/Makefile.am: Re-generated.
* gnulib/import/Makefile.in: Re-generated.
* gnulib/import/m4/gnulib-cache.m4: Re-generated.
* gnulib/import/m4/gnulib-comp.m4: Re-generated.
* gnulib/import/lstat.c: New file.
* gnulib/import/m4/lstat.m4: New file.
+2014-11-28 Yao Qi <yao@codesourcery.com>
+
+ * gnulib/update-gnulib.sh (IMPORTED_GNULIB_MODULES): Add
+ lstat.
+ * gnulib/aclocal.m4: Re-generated.
+ * gnulib/config.in: Re-generated.
+ * gnulib/configure: Re-generated.
+ * gnulib/import/Makefile.am: Re-generated.
+ * gnulib/import/Makefile.in: Re-generated.
+ * gnulib/import/m4/gnulib-cache.m4: Re-generated.
+ * gnulib/import/m4/gnulib-comp.m4: Re-generated.
+ * gnulib/import/lstat.c: New file.
+ * gnulib/import/m4/lstat.m4: New file.
+
2014-11-28 Yao Qi <yao@codesourcery.com>
* configure.ac (AC_CHECK_FUNCS): Remove readlink.
m4_include([import/m4/locale-ja.m4])
m4_include([import/m4/locale-zh.m4])
m4_include([import/m4/longlong.m4])
+m4_include([import/m4/lstat.m4])
m4_include([import/m4/math_h.m4])
m4_include([import/m4/mbrtowc.m4])
m4_include([import/m4/mbsinit.m4])
/* Define to 1 when the gnulib module frexpl should be tested. */
#undef GNULIB_TEST_FREXPL
+/* Define to 1 when the gnulib module lstat should be tested. */
+#undef GNULIB_TEST_LSTAT
+
/* Define to 1 when the gnulib module mbrtowc should be tested. */
#undef GNULIB_TEST_MBRTOWC
/* Define as the word index where to find the exponent of 'long double'. */
#undef LDBL_EXPBIT0_WORD
+/* Define to 1 if 'lstat' dereferences a symlink specified with a trailing
+ slash. */
+#undef LSTAT_FOLLOWS_SLASHED_SYMLINK
+
/* Define to a substitute value for mmap()'s MAP_ANONYMOUS flag. */
#undef MAP_ANONYMOUS
GL_GENERATE_STDBOOL_H_FALSE
GL_GENERATE_STDBOOL_H_TRUE
STDBOOL_H
-REPLACE_UTIMENSAT
-REPLACE_STAT
-REPLACE_MKNOD
-REPLACE_MKFIFO
-REPLACE_MKDIR
-REPLACE_LSTAT
-REPLACE_FUTIMENS
-REPLACE_FSTATAT
-REPLACE_FSTAT
-HAVE_UTIMENSAT
-HAVE_MKNODAT
-HAVE_MKNOD
-HAVE_MKFIFOAT
-HAVE_MKFIFO
-HAVE_MKDIRAT
-HAVE_LSTAT
-HAVE_LCHMOD
-HAVE_FUTIMENS
-HAVE_FSTATAT
-HAVE_FCHMODAT
-GNULIB_UTIMENSAT
-GNULIB_STAT
-GNULIB_MKNODAT
-GNULIB_MKNOD
-GNULIB_MKFIFOAT
-GNULIB_MKFIFO
-GNULIB_MKDIRAT
-GNULIB_LSTAT
-GNULIB_LCHMOD
-GNULIB_FUTIMENS
-GNULIB_FSTATAT
-GNULIB_FSTAT
-GNULIB_FCHMODAT
UNDEFINE_STRTOK_R
REPLACE_STRTOK_R
REPLACE_STRSIGNAL
GNULIB_BTOWC
NEXT_AS_FIRST_DIRECTIVE_MATH_H
NEXT_MATH_H
+REPLACE_UTIMENSAT
+REPLACE_STAT
+REPLACE_MKNOD
+REPLACE_MKFIFO
+REPLACE_MKDIR
+REPLACE_LSTAT
+REPLACE_FUTIMENS
+REPLACE_FSTATAT
+REPLACE_FSTAT
+HAVE_UTIMENSAT
+HAVE_MKNODAT
+HAVE_MKNOD
+HAVE_MKFIFOAT
+HAVE_MKFIFO
+HAVE_MKDIRAT
+HAVE_LSTAT
+HAVE_LCHMOD
+HAVE_FUTIMENS
+HAVE_FSTATAT
+HAVE_FCHMODAT
+GNULIB_UTIMENSAT
+GNULIB_STAT
+GNULIB_MKNODAT
+GNULIB_MKNOD
+GNULIB_MKFIFOAT
+GNULIB_MKFIFO
+GNULIB_MKDIRAT
+GNULIB_LSTAT
+GNULIB_LCHMOD
+GNULIB_FUTIMENS
+GNULIB_FSTATAT
+GNULIB_FSTAT
+GNULIB_FCHMODAT
LOCALCHARSET_TESTS_ENVIRONMENT
GLIBC21
NEXT_AS_FIRST_DIRECTIVE_INTTYPES_H
as_fn_append ac_header_list " inttypes.h"
as_fn_append ac_header_list " unistd.h"
as_fn_append ac_func_list " symlink"
+as_fn_append ac_func_list " lstat"
as_fn_append ac_header_list " math.h"
as_fn_append ac_func_list " mbsinit"
as_fn_append ac_func_list " mbrtowc"
as_fn_append ac_func_list " mprotect"
as_fn_append ac_header_list " sys/param.h"
as_fn_append ac_func_list " readlink"
-as_fn_append ac_func_list " lstat"
as_fn_append ac_header_list " sys/stat.h"
as_fn_append ac_header_list " sys/time.h"
as_fn_append ac_header_list " features.h"
# Code from module largefile:
# Code from module localcharset:
+ # Code from module lstat:
# Code from module math:
# Code from module mbrtowc:
# Code from module mbsinit:
+ GNULIB_FCHMODAT=0;
+ GNULIB_FSTAT=0;
+ GNULIB_FSTATAT=0;
+ GNULIB_FUTIMENS=0;
+ GNULIB_LCHMOD=0;
+ GNULIB_LSTAT=0;
+ GNULIB_MKDIRAT=0;
+ GNULIB_MKFIFO=0;
+ GNULIB_MKFIFOAT=0;
+ GNULIB_MKNOD=0;
+ GNULIB_MKNODAT=0;
+ GNULIB_STAT=0;
+ GNULIB_UTIMENSAT=0;
+ HAVE_FCHMODAT=1;
+ HAVE_FSTATAT=1;
+ HAVE_FUTIMENS=1;
+ HAVE_LCHMOD=1;
+ HAVE_LSTAT=1;
+ HAVE_MKDIRAT=1;
+ HAVE_MKFIFO=1;
+ HAVE_MKFIFOAT=1;
+ HAVE_MKNOD=1;
+ HAVE_MKNODAT=1;
+ HAVE_UTIMENSAT=1;
+ REPLACE_FSTAT=0;
+ REPLACE_FSTATAT=0;
+ REPLACE_FUTIMENS=0;
+ REPLACE_LSTAT=0;
+ REPLACE_MKDIR=0;
+ REPLACE_MKFIFO=0;
+ REPLACE_MKNOD=0;
+ REPLACE_STAT=0;
+ REPLACE_UTIMENSAT=0;
+
+
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether lstat correctly handles trailing slash" >&5
+$as_echo_n "checking whether lstat correctly handles trailing slash... " >&6; }
+if test "${gl_cv_func_lstat_dereferences_slashed_symlink+set}" = set; then :
+ $as_echo_n "(cached) " >&6
+else
+ rm -f conftest.sym conftest.file
+ echo >conftest.file
+ if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then
+ if test "$cross_compiling" = yes; then :
+ case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;;
+ esac
+
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+$ac_includes_default
+int
+main ()
+{
+struct stat sbuf;
+ /* Linux will dereference the symlink and fail, as required by
+ POSIX. That is better in the sense that it means we will not
+ have to compile and use the lstat wrapper. */
+ return lstat ("conftest.sym/", &sbuf) == 0;
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+ gl_cv_func_lstat_dereferences_slashed_symlink=yes
+else
+ gl_cv_func_lstat_dereferences_slashed_symlink=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+ else
+ # If the 'ln -s' command failed, then we probably don't even
+ # have an lstat function.
+ gl_cv_func_lstat_dereferences_slashed_symlink="guessing no"
+ fi
+ rm -f conftest.sym conftest.file
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_lstat_dereferences_slashed_symlink" >&5
+$as_echo "$gl_cv_func_lstat_dereferences_slashed_symlink" >&6; }
+ case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
+ *yes)
+
+cat >>confdefs.h <<_ACEOF
+#define LSTAT_FOLLOWS_SLASHED_SYMLINK 1
+_ACEOF
+
+ ;;
+ esac
+
+
GNULIB_BTOWC=0;
-
- GNULIB_FCHMODAT=0;
- GNULIB_FSTAT=0;
- GNULIB_FSTATAT=0;
- GNULIB_FUTIMENS=0;
- GNULIB_LCHMOD=0;
- GNULIB_LSTAT=0;
- GNULIB_MKDIRAT=0;
- GNULIB_MKFIFO=0;
- GNULIB_MKFIFOAT=0;
- GNULIB_MKNOD=0;
- GNULIB_MKNODAT=0;
- GNULIB_STAT=0;
- GNULIB_UTIMENSAT=0;
- HAVE_FCHMODAT=1;
- HAVE_FSTATAT=1;
- HAVE_FUTIMENS=1;
- HAVE_LCHMOD=1;
- HAVE_LSTAT=1;
- HAVE_MKDIRAT=1;
- HAVE_MKFIFO=1;
- HAVE_MKFIFOAT=1;
- HAVE_MKNOD=1;
- HAVE_MKNODAT=1;
- HAVE_UTIMENSAT=1;
- REPLACE_FSTAT=0;
- REPLACE_FSTATAT=0;
- REPLACE_FUTIMENS=0;
- REPLACE_LSTAT=0;
- REPLACE_MKDIR=0;
- REPLACE_MKFIFO=0;
- REPLACE_MKNOD=0;
- REPLACE_STAT=0;
- REPLACE_UTIMENSAT=0;
-
-
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdbool.h that conforms to C99" >&5
$as_echo_n "checking for stdbool.h that conforms to C99... " >&6; }
if test "${ac_cv_header_stdbool_h+set}" = set; then :
+ if test $ac_cv_func_lstat = yes; then
+
+ case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
+ *no)
+ REPLACE_LSTAT=1
+ ;;
+ esac
+ else
+ HAVE_LSTAT=0
+ fi
+
+ if test $REPLACE_LSTAT = 1; then
+
+
+
+
+
+
+
+
+ gl_LIBOBJS="$gl_LIBOBJS lstat.$ac_objext"
+
+ :
+ fi
+
+
+
+
+
+ GNULIB_LSTAT=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_LSTAT 1" >>confdefs.h
+
+
+
+
+
+
# the same distribution terms as the rest of that program.
#
# Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca dirent dirfd errno fnmatch-gnu frexpl inttypes memchr memmem pathmax readlink strstr sys_stat unistd update-copyright wchar wctype-h
+# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca dirent dirfd errno fnmatch-gnu frexpl inttypes lstat memchr memmem pathmax readlink strstr sys_stat unistd update-copyright wchar wctype-h
AUTOMAKE_OPTIONS = 1.5 gnits
## end gnulib module localcharset
+## begin gnulib module lstat
+
+
+EXTRA_DIST += lstat.c
+
+EXTRA_libgnu_a_SOURCES += lstat.c
+
+## end gnulib module lstat
+
## begin gnulib module math
BUILT_SOURCES += math.h
# the same distribution terms as the rest of that program.
#
# Generated by gnulib-tool.
-# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca dirent dirfd errno fnmatch-gnu frexpl inttypes memchr memmem pathmax readlink strstr sys_stat unistd update-copyright wchar wctype-h
+# Reproduce by: gnulib-tool --import --dir=. --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca dirent dirfd errno fnmatch-gnu frexpl inttypes lstat memchr memmem pathmax readlink strstr sys_stat unistd update-copyright wchar wctype-h
$(top_srcdir)/import/m4/locale-ja.m4 \
$(top_srcdir)/import/m4/locale-zh.m4 \
$(top_srcdir)/import/m4/longlong.m4 \
+ $(top_srcdir)/import/m4/lstat.m4 \
$(top_srcdir)/import/m4/math_h.m4 \
$(top_srcdir)/import/m4/mbrtowc.m4 \
$(top_srcdir)/import/m4/mbsinit.m4 \
fnmatch.c fnmatch.in.h fnmatch_loop.c fpucw.h frexp.c frexp.c \
frexpl.c inttypes.in.h float+.h isnan.c isnand-nolibm.h \
isnand.c float+.h isnan.c isnanl-nolibm.h isnanl.c \
- config.charset ref-add.sin ref-del.sin math.in.h mbrtowc.c \
- mbsinit.c mbsrtowcs-impl.h mbsrtowcs-state.c mbsrtowcs.c \
- memchr.c memchr.valgrind memmem.c str-two-way.h pathmax.h \
- readlink.c $(top_srcdir)/import/extra/snippet/arg-nonnull.h \
+ config.charset ref-add.sin ref-del.sin lstat.c math.in.h \
+ mbrtowc.c mbsinit.c mbsrtowcs-impl.h mbsrtowcs-state.c \
+ mbsrtowcs.c memchr.c memchr.valgrind memmem.c str-two-way.h \
+ pathmax.h readlink.c \
+ $(top_srcdir)/import/extra/snippet/arg-nonnull.h \
$(top_srcdir)/import/extra/snippet/c++defs.h \
$(top_srcdir)/import/extra/snippet/warn-on-use.h stat.c \
stdbool.in.h stddef.in.h stdint.in.h streq.h string.in.h \
libgnu_a_DEPENDENCIES = $(gl_LIBOBJS) @ALLOCA@
EXTRA_libgnu_a_SOURCES = alloca.c dirfd.c float.c itold.c fnmatch.c \
fnmatch_loop.c frexp.c frexp.c frexpl.c isnan.c isnand.c \
- isnan.c isnanl.c mbrtowc.c mbsinit.c mbsrtowcs-state.c \
+ isnan.c isnanl.c lstat.c mbrtowc.c mbsinit.c mbsrtowcs-state.c \
mbsrtowcs.c memchr.c memmem.c readlink.c stat.c strstr.c
charset_alias = $(DESTDIR)$(libdir)/charset.alias
charset_tmp = $(DESTDIR)$(libdir)/charset.tmp
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/isnanl.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/itold.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/localcharset.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/lstat.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/math.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mbrtowc.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/mbsinit.Po@am__quote@
--- /dev/null
+/* Work around a bug of lstat on some systems
+
+ Copyright (C) 1997-2006, 2008-2012 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+/* written by Jim Meyering */
+
+/* If the user's config.h happens to include <sys/stat.h>, let it include only
+ the system's <sys/stat.h> here, so that orig_lstat doesn't recurse to
+ rpl_lstat. */
+#define __need_system_sys_stat_h
+#include <config.h>
+
+#if !HAVE_LSTAT
+/* On systems that lack symlinks, our replacement <sys/stat.h> already
+ defined lstat as stat, so there is nothing further to do other than
+ avoid an empty file. */
+typedef int dummy;
+#else /* HAVE_LSTAT */
+
+/* Get the original definition of lstat. It might be defined as a macro. */
+# include <sys/types.h>
+# include <sys/stat.h>
+# undef __need_system_sys_stat_h
+
+static int
+orig_lstat (const char *filename, struct stat *buf)
+{
+ return lstat (filename, buf);
+}
+
+/* Specification. */
+/* Write "sys/stat.h" here, not <sys/stat.h>, otherwise OSF/1 5.1 DTK cc
+ eliminates this include because of the preliminary #include <sys/stat.h>
+ above. */
+# include "sys/stat.h"
+
+# include <string.h>
+# include <errno.h>
+
+/* lstat works differently on Linux and Solaris systems. POSIX (see
+ "pathname resolution" in the glossary) requires that programs like
+ 'ls' take into consideration the fact that FILE has a trailing slash
+ when FILE is a symbolic link. On Linux and Solaris 10 systems, the
+ lstat function already has the desired semantics (in treating
+ 'lstat ("symlink/", sbuf)' just like 'lstat ("symlink/.", sbuf)',
+ but on Solaris 9 and earlier it does not.
+
+ If FILE has a trailing slash and specifies a symbolic link,
+ then use stat() to get more info on the referent of FILE.
+ If the referent is a non-directory, then set errno to ENOTDIR
+ and return -1. Otherwise, return stat's result. */
+
+int
+rpl_lstat (const char *file, struct stat *sbuf)
+{
+ size_t len;
+ int lstat_result = orig_lstat (file, sbuf);
+
+ if (lstat_result != 0)
+ return lstat_result;
+
+ /* This replacement file can blindly check against '/' rather than
+ using the ISSLASH macro, because all platforms with '\\' either
+ lack symlinks (mingw) or have working lstat (cygwin) and thus do
+ not compile this file. 0 len should have already been filtered
+ out above, with a failure return of ENOENT. */
+ len = strlen (file);
+ if (file[len - 1] != '/' || S_ISDIR (sbuf->st_mode))
+ return 0;
+
+ /* At this point, a trailing slash is only permitted on
+ symlink-to-dir; but it should have found information on the
+ directory, not the symlink. Call stat() to get info about the
+ link's referent. Our replacement stat guarantees valid results,
+ even if the symlink is not pointing to a directory. */
+ if (!S_ISLNK (sbuf->st_mode))
+ {
+ errno = ENOTDIR;
+ return -1;
+ }
+ return stat (file, sbuf);
+}
+
+#endif /* HAVE_LSTAT */
# Specification in the form of a command-line invocation:
-# gnulib-tool --import --dir=. --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca dirent dirfd errno fnmatch-gnu frexpl inttypes memchr memmem pathmax readlink strstr sys_stat unistd update-copyright wchar wctype-h
+# gnulib-tool --import --dir=. --lib=libgnu --source-base=import --m4-base=import/m4 --doc-base=doc --tests-base=tests --aux-dir=import/extra --no-conditional-dependencies --no-libtool --macro-prefix=gl --no-vc-files alloca dirent dirfd errno fnmatch-gnu frexpl inttypes lstat memchr memmem pathmax readlink strstr sys_stat unistd update-copyright wchar wctype-h
# Specification in the form of a few gnulib-tool.m4 macro invocations:
gl_LOCAL_DIR([])
fnmatch-gnu
frexpl
inttypes
+ lstat
memchr
memmem
pathmax
# Code from module largefile:
AC_REQUIRE([AC_SYS_LARGEFILE])
# Code from module localcharset:
+ # Code from module lstat:
# Code from module math:
# Code from module mbrtowc:
# Code from module mbsinit:
gl_LOCALCHARSET
LOCALCHARSET_TESTS_ENVIRONMENT="CHARSETALIASDIR=\"\$(abs_top_builddir)/$gl_source_base\""
AC_SUBST([LOCALCHARSET_TESTS_ENVIRONMENT])
+ gl_FUNC_LSTAT
+ if test $REPLACE_LSTAT = 1; then
+ AC_LIBOBJ([lstat])
+ gl_PREREQ_LSTAT
+ fi
+ gl_SYS_STAT_MODULE_INDICATOR([lstat])
gl_MATH_H
gl_FUNC_MBRTOWC
if test $HAVE_MBRTOWC = 0 || test $REPLACE_MBRTOWC = 1; then
lib/itold.c
lib/localcharset.c
lib/localcharset.h
+ lib/lstat.c
lib/math.c
lib/math.in.h
lib/mbrtowc.c
m4/locale-ja.m4
m4/locale-zh.m4
m4/longlong.m4
+ m4/lstat.m4
m4/math_h.m4
m4/mbrtowc.m4
m4/mbsinit.m4
--- /dev/null
+# serial 26
+
+# Copyright (C) 1997-2001, 2003-2012 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.
+
+dnl From Jim Meyering.
+
+AC_DEFUN([gl_FUNC_LSTAT],
+[
+ AC_REQUIRE([gl_SYS_STAT_H_DEFAULTS])
+ dnl If lstat does not exist, the replacement <sys/stat.h> does
+ dnl "#define lstat stat", and lstat.c is a no-op.
+ AC_CHECK_FUNCS_ONCE([lstat])
+ if test $ac_cv_func_lstat = yes; then
+ AC_REQUIRE([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK])
+ case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
+ *no)
+ REPLACE_LSTAT=1
+ ;;
+ esac
+ else
+ HAVE_LSTAT=0
+ fi
+])
+
+# Prerequisites of lib/lstat.c.
+AC_DEFUN([gl_PREREQ_LSTAT], [:])
+
+AC_DEFUN([gl_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK],
+[
+ dnl We don't use AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK any more, because it
+ dnl is no longer maintained in Autoconf and because it invokes AC_LIBOBJ.
+ AC_CACHE_CHECK([whether lstat correctly handles trailing slash],
+ [gl_cv_func_lstat_dereferences_slashed_symlink],
+ [rm -f conftest.sym conftest.file
+ echo >conftest.file
+ if test "$as_ln_s" = "ln -s" && ln -s conftest.file conftest.sym; then
+ AC_RUN_IFELSE(
+ [AC_LANG_PROGRAM(
+ [AC_INCLUDES_DEFAULT],
+ [[struct stat sbuf;
+ /* Linux will dereference the symlink and fail, as required by
+ POSIX. That is better in the sense that it means we will not
+ have to compile and use the lstat wrapper. */
+ return lstat ("conftest.sym/", &sbuf) == 0;
+ ]])],
+ [gl_cv_func_lstat_dereferences_slashed_symlink=yes],
+ [gl_cv_func_lstat_dereferences_slashed_symlink=no],
+ [case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu*) gl_cv_func_lstat_dereferences_slashed_symlink="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_lstat_dereferences_slashed_symlink="guessing no" ;;
+ esac
+ ])
+ else
+ # If the 'ln -s' command failed, then we probably don't even
+ # have an lstat function.
+ gl_cv_func_lstat_dereferences_slashed_symlink="guessing no"
+ fi
+ rm -f conftest.sym conftest.file
+ ])
+ case "$gl_cv_func_lstat_dereferences_slashed_symlink" in
+ *yes)
+ AC_DEFINE_UNQUOTED([LSTAT_FOLLOWS_SLASHED_SYMLINK], [1],
+ [Define to 1 if 'lstat' dereferences a symlink specified
+ with a trailing slash.])
+ ;;
+ esac
+])
fnmatch-gnu \
frexpl \
inttypes \
+ lstat \
memchr \
memmem \
pathmax \
projects / binutils-gdb.git / commitdiff