add getlogin from gnulib

* lib/Makefile.am:
* lib/getlogin.c:
* m4/getlogin.m4:
* m4/gnulib-cache.m4: Add getlogin module.

3 files changed, 24 insertions, 1 deletions

diff --git a/m4/getlogin.m4 b/m4/getlogin.m4
new file mode 100644
index 000000000..9b3f3cdae
--- /dev/null
+++ b/m4/getlogin.m4
@@ -0,0 +1,14 @@
+# getlogin.m4 serial 3
+dnl Copyright (C) 2010-2013 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.
+
+AC_DEFUN([gl_FUNC_GETLOGIN],
+[
+  AC_REQUIRE([gl_UNISTD_H_DEFAULTS])
+  AC_CHECK_FUNCS_ONCE([getlogin])
+  if test $ac_cv_func_getlogin = no; then
+    HAVE_GETLOGIN=0
+  fi
+])
diff --git a/m4/gnulib-cache.m4 b/m4/gnulib-cache.m4
index 1543626ee..99ace9aed 100644
--- a/m4/gnulib-cache.m4
+++ b/m4/gnulib-cache.m4
@@ -27,7 +27,7 @@
 
 
 # Specification in the form of a command-line invocation:
-#   gnulib-tool --import --dir=. --local-dir=gnulib-local --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --lgpl=3 --no-conditional-dependencies --libtool --macro-prefix=gl --no-vc-files accept alignof alloca-opt announce-gen autobuild bind byteswap canonicalize-lgpl ceil clock-time close connect dirfd duplocale environ extensions flock floor fpieee frexp fstat full-read full-write func gendocs getaddrinfo getpeername getsockname getsockopt git-version-gen gitlog-to-changelog gnu-web-doc-update gnupload havelib iconv_open-utf inet_ntop inet_pton isinf isnan ldexp lib-symbol-versions lib-symbol-visibility libunistring listen localcharset locale log1p maintainer-makefile malloc-gnu malloca nl_langinfo nproc open pipe-posix pipe2 putenv recv recvfrom regex rename select send sendto setenv setsockopt shutdown socket stat-time stdlib strftime striconveh string sys_stat times trunc verify vsnprintf warnings wchar
+#   gnulib-tool --import --dir=. --local-dir=gnulib-local --lib=libgnu --source-base=lib --m4-base=m4 --doc-base=doc --tests-base=tests --aux-dir=build-aux --lgpl=3 --no-conditional-dependencies --libtool --macro-prefix=gl --no-vc-files accept alignof alloca-opt announce-gen autobuild bind byteswap canonicalize-lgpl ceil clock-time close connect dirfd duplocale environ extensions flock floor fpieee frexp fstat full-read full-write func gendocs getaddrinfo getlogin getpeername getsockname getsockopt git-version-gen gitlog-to-changelog gnu-web-doc-update gnupload havelib iconv_open-utf inet_ntop inet_pton isinf isnan ldexp lib-symbol-versions lib-symbol-visibility libunistring listen localcharset locale log1p maintainer-makefile malloc-gnu malloca nl_langinfo nproc open pipe-posix pipe2 putenv recv recvfrom regex rename select send sendto setenv setsockopt shutdown socket stat-time stdlib strftime striconveh string sys_stat times trunc verify vsnprintf warnings wchar
 
 # Specification in the form of a few gnulib-tool.m4 macro invocations:
 gl_LOCAL_DIR([gnulib-local])
@@ -58,6 +58,7 @@ gl_MODULES([
   func
   gendocs
   getaddrinfo
+  getlogin
   getpeername
   getsockname
   getsockopt
diff --git a/m4/gnulib-comp.m4 b/m4/gnulib-comp.m4
index 3a8172b87..0d0aa7b79 100644
--- a/m4/gnulib-comp.m4
+++ b/m4/gnulib-comp.m4
@@ -87,6 +87,7 @@ AC_DEFUN([gl_EARLY],
   # Code from module func:
   # Code from module gendocs:
   # Code from module getaddrinfo:
+  # Code from module getlogin:
   # Code from module getpeername:
   # Code from module getsockname:
   # Code from module getsockopt:
@@ -353,6 +354,11 @@ AC_SUBST([LTALLOCA])
     AC_LIBOBJ([gai_strerror])
   fi
   gl_NETDB_MODULE_INDICATOR([getaddrinfo])
+  gl_FUNC_GETLOGIN
+  if test $HAVE_GETLOGIN = 0; then
+    AC_LIBOBJ([getlogin])
+  fi
+  gl_UNISTD_MODULE_INDICATOR([getlogin])
   AC_REQUIRE([gl_HEADER_SYS_SOCKET])
   if test "$ac_cv_header_winsock2_h" = yes; then
     AC_LIBOBJ([getpeername])
@@ -944,6 +950,7 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/full-write.h
   lib/gai_strerror.c
   lib/getaddrinfo.c
+  lib/getlogin.c
   lib/getpeername.c
   lib/getsockname.c
   lib/getsockopt.c
@@ -1131,6 +1138,7 @@ AC_DEFUN([gl_FILE_LIST], [
   m4/fstat.m4
   m4/func.m4
   m4/getaddrinfo.m4
+  m4/getlogin.m4
   m4/glibc21.m4
   m4/gnulib-common.m4
   m4/hostent.m4