gnulib: import getline

We use getline in sim today which breaks on older systems that are
not compliant with the latest POSIX standard.  For example, mingw64
for Windows omits getline so we fail to build there.

14 files changed, 1012 insertions, 225 deletions

diff --git a/gnulib/ChangeLog b/gnulib/ChangeLog
index 810aa1e62da..8e14d308eb1 100644
--- a/gnulib/ChangeLog
+++ b/gnulib/ChangeLog
@@ -1,3 +1,12 @@
+2021-05-04  Mike Frysinger  <vapier@gentoo.org>
+
+	* update-gnulib.sh (IMPORTED_GNULIB_MODULES): Add gnulib.
+	* Makefile.in, import/Makefile.am, import/Makefile.in,
+	import/m4/gnulib-cache.m4, import/m4/gnulib-comp.m4, aclocal.m4,
+	config.in, configure: Regenerate.
+	* import/getdelim.c, import/getline.c, import/m4/getdelim.m4,
+	import/m4/getline.m4: New files.
+
 2021-03-24  Mike Frysinger  <vapier@gentoo.org>
 
 	* update-gnulib.sh (IMPORTED_GNULIB_MODULES): Add gitlog-to-changelog.
diff --git a/gnulib/Makefile.in b/gnulib/Makefile.in
index 29767ab7d5f..b6439515a40 100644
--- a/gnulib/Makefile.in
+++ b/gnulib/Makefile.in
@@ -159,7 +159,9 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
 	$(top_srcdir)/import/m4/getcwd-abort-bug.m4 \
 	$(top_srcdir)/import/m4/getcwd-path-max.m4 \
 	$(top_srcdir)/import/m4/getcwd.m4 \
+	$(top_srcdir)/import/m4/getdelim.m4 \
 	$(top_srcdir)/import/m4/getdtablesize.m4 \
+	$(top_srcdir)/import/m4/getline.m4 \
 	$(top_srcdir)/import/m4/getlogin.m4 \
 	$(top_srcdir)/import/m4/getlogin_r.m4 \
 	$(top_srcdir)/import/m4/getpagesize.m4 \
diff --git a/gnulib/aclocal.m4 b/gnulib/aclocal.m4
index 55fb90ab60b..50c77599a7a 100644
--- a/gnulib/aclocal.m4
+++ b/gnulib/aclocal.m4
@@ -1232,7 +1232,9 @@ m4_include([import/m4/fstatat.m4])
 m4_include([import/m4/getcwd-abort-bug.m4])
 m4_include([import/m4/getcwd-path-max.m4])
 m4_include([import/m4/getcwd.m4])
+m4_include([import/m4/getdelim.m4])
 m4_include([import/m4/getdtablesize.m4])
+m4_include([import/m4/getline.m4])
 m4_include([import/m4/getlogin.m4])
 m4_include([import/m4/getlogin_r.m4])
 m4_include([import/m4/getpagesize.m4])
diff --git a/gnulib/config.in b/gnulib/config.in
index 164fab27885..e3f581423f9 100644
--- a/gnulib/config.in
+++ b/gnulib/config.in
@@ -191,9 +191,15 @@
 /* Define to 1 when the gnulib module getcwd should be tested. */
 #undef GNULIB_TEST_GETCWD
 
+/* Define to 1 when the gnulib module getdelim should be tested. */
+#undef GNULIB_TEST_GETDELIM
+
 /* Define to 1 when the gnulib module getdtablesize should be tested. */
 #undef GNULIB_TEST_GETDTABLESIZE
 
+/* Define to 1 when the gnulib module getline should be tested. */
+#undef GNULIB_TEST_GETLINE
+
 /* Define to 1 when the gnulib module getlogin_r should be tested. */
 #undef GNULIB_TEST_GETLOGIN_R
 
@@ -401,10 +407,22 @@
    */
 #undef HAVE_DECL_GETCWD
 
+/* Define to 1 if you have the declaration of `getc_unlocked', and to 0 if you
+   don't. */
+#undef HAVE_DECL_GETC_UNLOCKED
+
+/* Define to 1 if you have the declaration of `getdelim', and to 0 if you
+   don't. */
+#undef HAVE_DECL_GETDELIM
+
 /* Define to 1 if you have the declaration of `getdtablesize', and to 0 if you
    don't. */
 #undef HAVE_DECL_GETDTABLESIZE
 
+/* Define to 1 if you have the declaration of `getline', and to 0 if you
+   don't. */
+#undef HAVE_DECL_GETLINE
+
 /* Define to 1 if you have the declaration of `getlogin', and to 0 if you
    don't. */
 #undef HAVE_DECL_GETLOGIN
@@ -512,6 +530,9 @@
 /* Define to 1 if you have the <features.h> header file. */
 #undef HAVE_FEATURES_H
 
+/* Define to 1 if you have the `flockfile' function. */
+#undef HAVE_FLOCKFILE
+
 /* Define to 1 if you have the `fnmatch' function. */
 #undef HAVE_FNMATCH
 
@@ -527,6 +548,9 @@
 /* Define to 1 if you have the `fstatat' function. */
 #undef HAVE_FSTATAT
 
+/* Define to 1 if you have the `funlockfile' function. */
+#undef HAVE_FUNLOCKFILE
+
 /* Define to 1 if you have the `getcwd' function. */
 #undef HAVE_GETCWD
 
@@ -534,6 +558,9 @@
    tested with the replacement. */
 #undef HAVE_GETCWD_SHORTER
 
+/* Define to 1 if you have the `getdelim' function. */
+#undef HAVE_GETDELIM
+
 /* Define to 1 if you have the `getdtablesize' function. */
 #undef HAVE_GETDTABLESIZE
 
diff --git a/gnulib/configure b/gnulib/configure
index d6737ac4d3e..4d6ba9ad78b 100644
--- a/gnulib/configure
+++ b/gnulib/configure
@@ -773,114 +773,6 @@ GNULIB_SIGPROCMASK
 GNULIB_SIGNAL_H_SIGPIPE
 GNULIB_RAISE
 GNULIB_PTHREAD_SIGMASK
-REPLACE_VSPRINTF
-REPLACE_VSNPRINTF
-REPLACE_VPRINTF
-REPLACE_VFPRINTF
-REPLACE_VDPRINTF
-REPLACE_VASPRINTF
-REPLACE_TMPFILE
-REPLACE_STDIO_WRITE_FUNCS
-REPLACE_STDIO_READ_FUNCS
-REPLACE_SPRINTF
-REPLACE_SNPRINTF
-REPLACE_RENAMEAT
-REPLACE_RENAME
-REPLACE_REMOVE
-REPLACE_PRINTF
-REPLACE_POPEN
-REPLACE_PERROR
-REPLACE_OBSTACK_PRINTF
-REPLACE_GETLINE
-REPLACE_GETDELIM
-REPLACE_FTELLO
-REPLACE_FTELL
-REPLACE_FSEEKO
-REPLACE_FSEEK
-REPLACE_FREOPEN
-REPLACE_FPURGE
-REPLACE_FPRINTF
-REPLACE_FOPEN
-REPLACE_FFLUSH
-REPLACE_FDOPEN
-REPLACE_FCLOSE
-REPLACE_DPRINTF
-HAVE_VDPRINTF
-HAVE_VASPRINTF
-HAVE_RENAMEAT
-HAVE_POPEN
-HAVE_PCLOSE
-HAVE_FTELLO
-HAVE_FSEEKO
-HAVE_DPRINTF
-HAVE_DECL_VSNPRINTF
-HAVE_DECL_SNPRINTF
-HAVE_DECL_OBSTACK_PRINTF
-HAVE_DECL_GETLINE
-HAVE_DECL_GETDELIM
-HAVE_DECL_FTELLO
-HAVE_DECL_FSEEKO
-HAVE_DECL_FPURGE
-HAVE_DECL_FCLOSEALL
-GNULIB_MDA_TEMPNAM
-GNULIB_MDA_PUTW
-GNULIB_MDA_GETW
-GNULIB_MDA_FILENO
-GNULIB_MDA_FDOPEN
-GNULIB_MDA_FCLOSEALL
-GNULIB_VSPRINTF_POSIX
-GNULIB_VSNPRINTF
-GNULIB_VPRINTF_POSIX
-GNULIB_VPRINTF
-GNULIB_VFPRINTF_POSIX
-GNULIB_VFPRINTF
-GNULIB_VDPRINTF
-GNULIB_VSCANF
-GNULIB_VFSCANF
-GNULIB_VASPRINTF
-GNULIB_TMPFILE
-GNULIB_STDIO_H_SIGPIPE
-GNULIB_STDIO_H_NONBLOCKING
-GNULIB_SPRINTF_POSIX
-GNULIB_SNPRINTF
-GNULIB_SCANF
-GNULIB_RENAMEAT
-GNULIB_RENAME
-GNULIB_REMOVE
-GNULIB_PUTS
-GNULIB_PUTCHAR
-GNULIB_PUTC
-GNULIB_PRINTF_POSIX
-GNULIB_PRINTF
-GNULIB_POPEN
-GNULIB_PERROR
-GNULIB_PCLOSE
-GNULIB_OBSTACK_PRINTF_POSIX
-GNULIB_OBSTACK_PRINTF
-GNULIB_GETLINE
-GNULIB_GETDELIM
-GNULIB_GETCHAR
-GNULIB_GETC
-GNULIB_FWRITE
-GNULIB_FTELLO
-GNULIB_FTELL
-GNULIB_FSEEKO
-GNULIB_FSEEK
-GNULIB_FSCANF
-GNULIB_FREOPEN
-GNULIB_FREAD
-GNULIB_FPUTS
-GNULIB_FPUTC
-GNULIB_FPURGE
-GNULIB_FPRINTF_POSIX
-GNULIB_FPRINTF
-GNULIB_FOPEN
-GNULIB_FGETS
-GNULIB_FGETC
-GNULIB_FFLUSH
-GNULIB_FDOPEN
-GNULIB_FCLOSE
-GNULIB_DPRINTF
 GL_GENERATE_NETINET_IN_H_FALSE
 GL_GENERATE_NETINET_IN_H_TRUE
 NETINET_IN_H
@@ -1114,6 +1006,114 @@ REPLACE_GETRANDOM
 HAVE_GETRANDOM
 GNULIB_GETRANDOM
 LIB_GETLOGIN
+REPLACE_VSPRINTF
+REPLACE_VSNPRINTF
+REPLACE_VPRINTF
+REPLACE_VFPRINTF
+REPLACE_VDPRINTF
+REPLACE_VASPRINTF
+REPLACE_TMPFILE
+REPLACE_STDIO_WRITE_FUNCS
+REPLACE_STDIO_READ_FUNCS
+REPLACE_SPRINTF
+REPLACE_SNPRINTF
+REPLACE_RENAMEAT
+REPLACE_RENAME
+REPLACE_REMOVE
+REPLACE_PRINTF
+REPLACE_POPEN
+REPLACE_PERROR
+REPLACE_OBSTACK_PRINTF
+REPLACE_GETLINE
+REPLACE_GETDELIM
+REPLACE_FTELLO
+REPLACE_FTELL
+REPLACE_FSEEKO
+REPLACE_FSEEK
+REPLACE_FREOPEN
+REPLACE_FPURGE
+REPLACE_FPRINTF
+REPLACE_FOPEN
+REPLACE_FFLUSH
+REPLACE_FDOPEN
+REPLACE_FCLOSE
+REPLACE_DPRINTF
+HAVE_VDPRINTF
+HAVE_VASPRINTF
+HAVE_RENAMEAT
+HAVE_POPEN
+HAVE_PCLOSE
+HAVE_FTELLO
+HAVE_FSEEKO
+HAVE_DPRINTF
+HAVE_DECL_VSNPRINTF
+HAVE_DECL_SNPRINTF
+HAVE_DECL_OBSTACK_PRINTF
+HAVE_DECL_GETLINE
+HAVE_DECL_GETDELIM
+HAVE_DECL_FTELLO
+HAVE_DECL_FSEEKO
+HAVE_DECL_FPURGE
+HAVE_DECL_FCLOSEALL
+GNULIB_MDA_TEMPNAM
+GNULIB_MDA_PUTW
+GNULIB_MDA_GETW
+GNULIB_MDA_FILENO
+GNULIB_MDA_FDOPEN
+GNULIB_MDA_FCLOSEALL
+GNULIB_VSPRINTF_POSIX
+GNULIB_VSNPRINTF
+GNULIB_VPRINTF_POSIX
+GNULIB_VPRINTF
+GNULIB_VFPRINTF_POSIX
+GNULIB_VFPRINTF
+GNULIB_VDPRINTF
+GNULIB_VSCANF
+GNULIB_VFSCANF
+GNULIB_VASPRINTF
+GNULIB_TMPFILE
+GNULIB_STDIO_H_SIGPIPE
+GNULIB_STDIO_H_NONBLOCKING
+GNULIB_SPRINTF_POSIX
+GNULIB_SNPRINTF
+GNULIB_SCANF
+GNULIB_RENAMEAT
+GNULIB_RENAME
+GNULIB_REMOVE
+GNULIB_PUTS
+GNULIB_PUTCHAR
+GNULIB_PUTC
+GNULIB_PRINTF_POSIX
+GNULIB_PRINTF
+GNULIB_POPEN
+GNULIB_PERROR
+GNULIB_PCLOSE
+GNULIB_OBSTACK_PRINTF_POSIX
+GNULIB_OBSTACK_PRINTF
+GNULIB_GETLINE
+GNULIB_GETDELIM
+GNULIB_GETCHAR
+GNULIB_GETC
+GNULIB_FWRITE
+GNULIB_FTELLO
+GNULIB_FTELL
+GNULIB_FSEEKO
+GNULIB_FSEEK
+GNULIB_FSCANF
+GNULIB_FREOPEN
+GNULIB_FREAD
+GNULIB_FPUTS
+GNULIB_FPUTC
+GNULIB_FPURGE
+GNULIB_FPRINTF_POSIX
+GNULIB_FPRINTF
+GNULIB_FOPEN
+GNULIB_FGETS
+GNULIB_FGETC
+GNULIB_FFLUSH
+GNULIB_FDOPEN
+GNULIB_FCLOSE
+GNULIB_DPRINTF
 WINDOWS_64_BIT_ST_SIZE
 WINDOWS_STAT_TIMESPEC
 NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H
@@ -3731,6 +3731,7 @@ as_fn_append ac_func_list " mbsrtowcs"
 gl_fnmatch_required=GNU
 as_fn_append ac_header_list " sys/stat.h"
 as_fn_append ac_func_list " fstatat"
+as_fn_append ac_func_list " getdelim"
 as_fn_append ac_func_list " getdtablesize"
 as_fn_append ac_func_list " getlogin_r"
 as_fn_append ac_func_list " getprogname"
@@ -6720,7 +6721,9 @@ fi
   # Code from module fstatat:
   # Code from module getcwd:
   # Code from module getcwd-lgpl:
+  # Code from module getdelim:
   # Code from module getdtablesize:
+  # Code from module getline:
   # Code from module getlogin_r:
   # Code from module getprogname:
   # Code from module getrandom:
@@ -10548,6 +10551,129 @@ cat >>confdefs.h <<_ACEOF
 _ACEOF
 
 
+  GNULIB_DPRINTF=0;
+  GNULIB_FCLOSE=0;
+  GNULIB_FDOPEN=0;
+  GNULIB_FFLUSH=0;
+  GNULIB_FGETC=0;
+  GNULIB_FGETS=0;
+  GNULIB_FOPEN=0;
+  GNULIB_FPRINTF=0;
+  GNULIB_FPRINTF_POSIX=0;
+  GNULIB_FPURGE=0;
+  GNULIB_FPUTC=0;
+  GNULIB_FPUTS=0;
+  GNULIB_FREAD=0;
+  GNULIB_FREOPEN=0;
+  GNULIB_FSCANF=0;
+  GNULIB_FSEEK=0;
+  GNULIB_FSEEKO=0;
+  GNULIB_FTELL=0;
+  GNULIB_FTELLO=0;
+  GNULIB_FWRITE=0;
+  GNULIB_GETC=0;
+  GNULIB_GETCHAR=0;
+  GNULIB_GETDELIM=0;
+  GNULIB_GETLINE=0;
+  GNULIB_OBSTACK_PRINTF=0;
+  GNULIB_OBSTACK_PRINTF_POSIX=0;
+  GNULIB_PCLOSE=0;
+  GNULIB_PERROR=0;
+  GNULIB_POPEN=0;
+  GNULIB_PRINTF=0;
+  GNULIB_PRINTF_POSIX=0;
+  GNULIB_PUTC=0;
+  GNULIB_PUTCHAR=0;
+  GNULIB_PUTS=0;
+  GNULIB_REMOVE=0;
+  GNULIB_RENAME=0;
+  GNULIB_RENAMEAT=0;
+  GNULIB_SCANF=0;
+  GNULIB_SNPRINTF=0;
+  GNULIB_SPRINTF_POSIX=0;
+  GNULIB_STDIO_H_NONBLOCKING=0;
+  GNULIB_STDIO_H_SIGPIPE=0;
+  GNULIB_TMPFILE=0;
+  GNULIB_VASPRINTF=0;
+  GNULIB_VFSCANF=0;
+  GNULIB_VSCANF=0;
+  GNULIB_VDPRINTF=0;
+  GNULIB_VFPRINTF=0;
+  GNULIB_VFPRINTF_POSIX=0;
+  GNULIB_VPRINTF=0;
+  GNULIB_VPRINTF_POSIX=0;
+  GNULIB_VSNPRINTF=0;
+  GNULIB_VSPRINTF_POSIX=0;
+    GNULIB_MDA_FCLOSEALL=1;
+  GNULIB_MDA_FDOPEN=1;
+  GNULIB_MDA_FILENO=1;
+  GNULIB_MDA_GETW=1;
+  GNULIB_MDA_PUTW=1;
+  GNULIB_MDA_TEMPNAM=1;
+    HAVE_DECL_FCLOSEALL=1;
+  HAVE_DECL_FPURGE=1;
+  HAVE_DECL_FSEEKO=1;
+  HAVE_DECL_FTELLO=1;
+  HAVE_DECL_GETDELIM=1;
+  HAVE_DECL_GETLINE=1;
+  HAVE_DECL_OBSTACK_PRINTF=1;
+  HAVE_DECL_SNPRINTF=1;
+  HAVE_DECL_VSNPRINTF=1;
+  HAVE_DPRINTF=1;
+  HAVE_FSEEKO=1;
+  HAVE_FTELLO=1;
+  HAVE_PCLOSE=1;
+  HAVE_POPEN=1;
+  HAVE_RENAMEAT=1;
+  HAVE_VASPRINTF=1;
+  HAVE_VDPRINTF=1;
+  REPLACE_DPRINTF=0;
+  REPLACE_FCLOSE=0;
+  REPLACE_FDOPEN=0;
+  REPLACE_FFLUSH=0;
+  REPLACE_FOPEN=0;
+  REPLACE_FPRINTF=0;
+  REPLACE_FPURGE=0;
+  REPLACE_FREOPEN=0;
+  REPLACE_FSEEK=0;
+  REPLACE_FSEEKO=0;
+  REPLACE_FTELL=0;
+  REPLACE_FTELLO=0;
+  REPLACE_GETDELIM=0;
+  REPLACE_GETLINE=0;
+  REPLACE_OBSTACK_PRINTF=0;
+  REPLACE_PERROR=0;
+  REPLACE_POPEN=0;
+  REPLACE_PRINTF=0;
+  REPLACE_REMOVE=0;
+  REPLACE_RENAME=0;
+  REPLACE_RENAMEAT=0;
+  REPLACE_SNPRINTF=0;
+  REPLACE_SPRINTF=0;
+  REPLACE_STDIO_READ_FUNCS=0;
+  REPLACE_STDIO_WRITE_FUNCS=0;
+  REPLACE_TMPFILE=0;
+  REPLACE_VASPRINTF=0;
+  REPLACE_VDPRINTF=0;
+  REPLACE_VFPRINTF=0;
+  REPLACE_VPRINTF=0;
+  REPLACE_VSNPRINTF=0;
+  REPLACE_VSPRINTF=0;
+
+ac_fn_c_check_decl "$LINENO" "getdelim" "ac_cv_have_decl_getdelim" "$ac_includes_default"
+if test "x$ac_cv_have_decl_getdelim" = xyes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETDELIM $ac_have_decl
+_ACEOF
+
+
+
+
 
 ac_fn_c_check_decl "$LINENO" "getdtablesize" "ac_cv_have_decl_getdtablesize" "$ac_includes_default"
 if test "x$ac_cv_have_decl_getdtablesize" = xyes; then :
@@ -10560,6 +10686,17 @@ cat >>confdefs.h <<_ACEOF
 #define HAVE_DECL_GETDTABLESIZE $ac_have_decl
 _ACEOF
 
+ac_fn_c_check_decl "$LINENO" "getline" "ac_cv_have_decl_getline" "$ac_includes_default"
+if test "x$ac_cv_have_decl_getline" = xyes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETLINE $ac_have_decl
+_ACEOF
+
 ac_fn_c_check_decl "$LINENO" "getlogin_r" "ac_cv_have_decl_getlogin_r" "$ac_includes_default"
 if test "x$ac_cv_have_decl_getlogin_r" = xyes; then :
   ac_have_decl=1
@@ -15962,116 +16099,6 @@ _ACEOF
 
 
 
-  GNULIB_DPRINTF=0;
-  GNULIB_FCLOSE=0;
-  GNULIB_FDOPEN=0;
-  GNULIB_FFLUSH=0;
-  GNULIB_FGETC=0;
-  GNULIB_FGETS=0;
-  GNULIB_FOPEN=0;
-  GNULIB_FPRINTF=0;
-  GNULIB_FPRINTF_POSIX=0;
-  GNULIB_FPURGE=0;
-  GNULIB_FPUTC=0;
-  GNULIB_FPUTS=0;
-  GNULIB_FREAD=0;
-  GNULIB_FREOPEN=0;
-  GNULIB_FSCANF=0;
-  GNULIB_FSEEK=0;
-  GNULIB_FSEEKO=0;
-  GNULIB_FTELL=0;
-  GNULIB_FTELLO=0;
-  GNULIB_FWRITE=0;
-  GNULIB_GETC=0;
-  GNULIB_GETCHAR=0;
-  GNULIB_GETDELIM=0;
-  GNULIB_GETLINE=0;
-  GNULIB_OBSTACK_PRINTF=0;
-  GNULIB_OBSTACK_PRINTF_POSIX=0;
-  GNULIB_PCLOSE=0;
-  GNULIB_PERROR=0;
-  GNULIB_POPEN=0;
-  GNULIB_PRINTF=0;
-  GNULIB_PRINTF_POSIX=0;
-  GNULIB_PUTC=0;
-  GNULIB_PUTCHAR=0;
-  GNULIB_PUTS=0;
-  GNULIB_REMOVE=0;
-  GNULIB_RENAME=0;
-  GNULIB_RENAMEAT=0;
-  GNULIB_SCANF=0;
-  GNULIB_SNPRINTF=0;
-  GNULIB_SPRINTF_POSIX=0;
-  GNULIB_STDIO_H_NONBLOCKING=0;
-  GNULIB_STDIO_H_SIGPIPE=0;
-  GNULIB_TMPFILE=0;
-  GNULIB_VASPRINTF=0;
-  GNULIB_VFSCANF=0;
-  GNULIB_VSCANF=0;
-  GNULIB_VDPRINTF=0;
-  GNULIB_VFPRINTF=0;
-  GNULIB_VFPRINTF_POSIX=0;
-  GNULIB_VPRINTF=0;
-  GNULIB_VPRINTF_POSIX=0;
-  GNULIB_VSNPRINTF=0;
-  GNULIB_VSPRINTF_POSIX=0;
-    GNULIB_MDA_FCLOSEALL=1;
-  GNULIB_MDA_FDOPEN=1;
-  GNULIB_MDA_FILENO=1;
-  GNULIB_MDA_GETW=1;
-  GNULIB_MDA_PUTW=1;
-  GNULIB_MDA_TEMPNAM=1;
-    HAVE_DECL_FCLOSEALL=1;
-  HAVE_DECL_FPURGE=1;
-  HAVE_DECL_FSEEKO=1;
-  HAVE_DECL_FTELLO=1;
-  HAVE_DECL_GETDELIM=1;
-  HAVE_DECL_GETLINE=1;
-  HAVE_DECL_OBSTACK_PRINTF=1;
-  HAVE_DECL_SNPRINTF=1;
-  HAVE_DECL_VSNPRINTF=1;
-  HAVE_DPRINTF=1;
-  HAVE_FSEEKO=1;
-  HAVE_FTELLO=1;
-  HAVE_PCLOSE=1;
-  HAVE_POPEN=1;
-  HAVE_RENAMEAT=1;
-  HAVE_VASPRINTF=1;
-  HAVE_VDPRINTF=1;
-  REPLACE_DPRINTF=0;
-  REPLACE_FCLOSE=0;
-  REPLACE_FDOPEN=0;
-  REPLACE_FFLUSH=0;
-  REPLACE_FOPEN=0;
-  REPLACE_FPRINTF=0;
-  REPLACE_FPURGE=0;
-  REPLACE_FREOPEN=0;
-  REPLACE_FSEEK=0;
-  REPLACE_FSEEKO=0;
-  REPLACE_FTELL=0;
-  REPLACE_FTELLO=0;
-  REPLACE_GETDELIM=0;
-  REPLACE_GETLINE=0;
-  REPLACE_OBSTACK_PRINTF=0;
-  REPLACE_PERROR=0;
-  REPLACE_POPEN=0;
-  REPLACE_PRINTF=0;
-  REPLACE_REMOVE=0;
-  REPLACE_RENAME=0;
-  REPLACE_RENAMEAT=0;
-  REPLACE_SNPRINTF=0;
-  REPLACE_SPRINTF=0;
-  REPLACE_STDIO_READ_FUNCS=0;
-  REPLACE_STDIO_WRITE_FUNCS=0;
-  REPLACE_TMPFILE=0;
-  REPLACE_VASPRINTF=0;
-  REPLACE_VDPRINTF=0;
-  REPLACE_VFPRINTF=0;
-  REPLACE_VPRINTF=0;
-  REPLACE_VSNPRINTF=0;
-  REPLACE_VSPRINTF=0;
-
-
 
 ac_fn_c_check_decl "$LINENO" "setenv" "ac_cv_have_decl_setenv" "$ac_includes_default"
 if test "x$ac_cv_have_decl_setenv" = xyes; then :
@@ -20705,6 +20732,160 @@ $as_echo "#define GNULIB_TEST_GETCWD 1" >>confdefs.h
 
 
 
+
+
+
+  if test $ac_cv_func_getdelim = yes; then
+    HAVE_GETDELIM=1
+        { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working getdelim function" >&5
+$as_echo_n "checking for working getdelim function... " >&6; }
+if ${gl_cv_func_working_getdelim+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  echo fooNbarN | tr -d '\012' | tr N '\012' > conftest.data
+       if test "$cross_compiling" = yes; then :
+                      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <features.h>
+#ifdef __GNU_LIBRARY__
+ #if (__GLIBC__ >= 2) && !defined __UCLIBC__
+  Lucky GNU user
+ #endif
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "Lucky GNU user" >/dev/null 2>&1; then :
+  gl_cv_func_working_getdelim="guessing yes"
+else
+  case "$host_os" in
+               *-musl*) gl_cv_func_working_getdelim="guessing yes" ;;
+               *)       gl_cv_func_working_getdelim="$gl_cross_guess_normal" ;;
+             esac
+
+fi
+rm -f conftest*
+
+
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#    include <stdio.h>
+#    include <stdlib.h>
+#    include <string.h>
+    int main ()
+    {
+      FILE *in = fopen ("./conftest.data", "r");
+      if (!in)
+        return 1;
+      {
+        /* Test result for a NULL buffer and a zero size.
+           Based on a test program from Karl Heuer.  */
+        char *line = NULL;
+        size_t siz = 0;
+        int len = getdelim (&line, &siz, '\n', in);
+        if (!(len == 4 && line && strcmp (line, "foo\n") == 0))
+          { free (line); fclose (in); return 2; }
+        free (line);
+      }
+      {
+        /* Test result for a NULL buffer and a non-zero size.
+           This crashes on FreeBSD 8.0.  */
+        char *line = NULL;
+        size_t siz = (size_t)(~0) / 4;
+        if (getdelim (&line, &siz, '\n', in) == -1)
+          { fclose (in); return 3; }
+        free (line);
+      }
+      fclose (in);
+      return 0;
+    }
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  gl_cv_func_working_getdelim=yes
+else
+  gl_cv_func_working_getdelim=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_working_getdelim" >&5
+$as_echo "$gl_cv_func_working_getdelim" >&6; }
+    case "$gl_cv_func_working_getdelim" in
+      *yes) ;;
+      *) REPLACE_GETDELIM=1 ;;
+    esac
+  else
+    HAVE_GETDELIM=0
+  fi
+
+  if test $ac_cv_have_decl_getdelim = no; then
+    HAVE_DECL_GETDELIM=0
+  fi
+
+  if test $HAVE_GETDELIM = 0 || test $REPLACE_GETDELIM = 1; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS getdelim.$ac_objext"
+
+
+  for ac_func in flockfile funlockfile
+do :
+  as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
+ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"
+if eval test \"x\$"$as_ac_var"\" = x"yes"; then :
+  cat >>confdefs.h <<_ACEOF
+#define `$as_echo "HAVE_$ac_func" | $as_tr_cpp` 1
+_ACEOF
+
+fi
+done
+
+  ac_fn_c_check_decl "$LINENO" "getc_unlocked" "ac_cv_have_decl_getc_unlocked" "$ac_includes_default"
+if test "x$ac_cv_have_decl_getc_unlocked" = xyes; then :
+  ac_have_decl=1
+else
+  ac_have_decl=0
+fi
+
+cat >>confdefs.h <<_ACEOF
+#define HAVE_DECL_GETC_UNLOCKED $ac_have_decl
+_ACEOF
+
+
+  fi
+
+
+
+
+
+          GNULIB_GETDELIM=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_GETDELIM 1" >>confdefs.h
+
+
+
+
+
+
+
+
   if test $ac_cv_func_getdtablesize = yes &&
      test $ac_cv_have_decl_getdtablesize = yes; then
     { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether getdtablesize works" >&5
@@ -20802,6 +20983,145 @@ $as_echo "#define GNULIB_TEST_GETDTABLESIZE 1" >>confdefs.h
 
 
 
+
+  gl_getline_needs_run_time_check=no
+  ac_fn_c_check_func "$LINENO" "getline" "ac_cv_func_getline"
+if test "x$ac_cv_func_getline" = xyes; then :
+                   gl_getline_needs_run_time_check=yes
+else
+  am_cv_func_working_getline=no
+fi
+
+  if test $gl_getline_needs_run_time_check = yes; then
+    { $as_echo "$as_me:${as_lineno-$LINENO}: checking for working getline function" >&5
+$as_echo_n "checking for working getline function... " >&6; }
+if ${am_cv_func_working_getline+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  echo fooNbarN | tr -d '\012' | tr N '\012' > conftest.data
+       if test "$cross_compiling" = yes; then :
+                      cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#include <features.h>
+#ifdef __GNU_LIBRARY__
+ #if (__GLIBC__ >= 2) && !defined __UCLIBC__
+  Lucky GNU user
+ #endif
+#endif
+
+_ACEOF
+if (eval "$ac_cpp conftest.$ac_ext") 2>&5 |
+  $EGREP "Lucky GNU user" >/dev/null 2>&1; then :
+  am_cv_func_working_getline="guessing yes"
+else
+  case "$host_os" in
+               *-musl*) am_cv_func_working_getline="guessing yes" ;;
+               *)       am_cv_func_working_getline="$gl_cross_guess_normal" ;;
+             esac
+
+fi
+rm -f conftest*
+
+
+else
+  cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h.  */
+
+#    include <stdio.h>
+#    include <stdlib.h>
+#    include <string.h>
+    int main ()
+    {
+      FILE *in = fopen ("./conftest.data", "r");
+      if (!in)
+        return 1;
+      {
+        /* Test result for a NULL buffer and a zero size.
+           Based on a test program from Karl Heuer.  */
+        char *line = NULL;
+        size_t siz = 0;
+        int len = getline (&line, &siz, in);
+        if (!(len == 4 && line && strcmp (line, "foo\n") == 0))
+          { free (line); fclose (in); return 2; }
+        free (line);
+      }
+      {
+        /* Test result for a NULL buffer and a non-zero size.
+           This crashes on FreeBSD 8.0.  */
+        char *line = NULL;
+        size_t siz = (size_t)(~0) / 4;
+        if (getline (&line, &siz, in) == -1)
+          { fclose (in); return 3; }
+        free (line);
+      }
+      fclose (in);
+      return 0;
+    }
+
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+  am_cv_func_working_getline=yes
+else
+  am_cv_func_working_getline=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+  conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $am_cv_func_working_getline" >&5
+$as_echo "$am_cv_func_working_getline" >&6; }
+  fi
+
+  if test $ac_cv_have_decl_getline = no; then
+    HAVE_DECL_GETLINE=0
+  fi
+
+  case "$am_cv_func_working_getline" in
+    *yes) ;;
+    *)
+                        REPLACE_GETLINE=1
+      ;;
+  esac
+
+  if test $REPLACE_GETLINE = 1; then
+
+
+
+
+
+
+
+
+  gl_LIBOBJS="$gl_LIBOBJS getline.$ac_objext"
+
+
+  :
+
+  fi
+
+
+
+
+
+          GNULIB_GETLINE=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_GETLINE 1" >>confdefs.h
+
+
+
+
+
+
+
+
+
   if test $ac_cv_have_decl_getlogin_r = no; then
     HAVE_DECL_GETLOGIN_R=0
   fi
diff --git a/gnulib/import/Makefile.am b/gnulib/import/Makefile.am
index a79d6e1e537..83aff17a793 100644
--- a/gnulib/import/Makefile.am
+++ b/gnulib/import/Makefile.am
@@ -42,6 +42,7 @@
 #  fnmatch-gnu \
 #  frexpl \
 #  getcwd \
+#  getline \
 #  gettimeofday \
 #  gitlog-to-changelog \
 #  glob \
@@ -691,6 +692,15 @@ EXTRA_libgnu_a_SOURCES += getcwd-lgpl.c
 
 ## end   gnulib module getcwd-lgpl
 
+## begin gnulib module getdelim
+
+
+EXTRA_DIST += getdelim.c
+
+EXTRA_libgnu_a_SOURCES += getdelim.c
+
+## end   gnulib module getdelim
+
 ## begin gnulib module getdtablesize
 
 
@@ -700,6 +710,15 @@ EXTRA_libgnu_a_SOURCES += getdtablesize.c
 
 ## end   gnulib module getdtablesize
 
+## begin gnulib module getline
+
+
+EXTRA_DIST += getline.c
+
+EXTRA_libgnu_a_SOURCES += getline.c
+
+## end   gnulib module getline
+
 ## begin gnulib module getlogin_r
 
 
diff --git a/gnulib/import/Makefile.in b/gnulib/import/Makefile.in
index f703f362f73..60004ac1339 100644
--- a/gnulib/import/Makefile.in
+++ b/gnulib/import/Makefile.in
@@ -56,6 +56,7 @@
 #  fnmatch-gnu \
 #  frexpl \
 #  getcwd \
+#  getline \
 #  gettimeofday \
 #  gitlog-to-changelog \
 #  glob \
@@ -217,7 +218,9 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
 	$(top_srcdir)/import/m4/getcwd-abort-bug.m4 \
 	$(top_srcdir)/import/m4/getcwd-path-max.m4 \
 	$(top_srcdir)/import/m4/getcwd.m4 \
+	$(top_srcdir)/import/m4/getdelim.m4 \
 	$(top_srcdir)/import/m4/getdtablesize.m4 \
+	$(top_srcdir)/import/m4/getline.m4 \
 	$(top_srcdir)/import/m4/getlogin.m4 \
 	$(top_srcdir)/import/m4/getlogin_r.m4 \
 	$(top_srcdir)/import/m4/getpagesize.m4 \
@@ -1781,10 +1784,10 @@ EXTRA_DIST = m4/gnulib-cache.m4 alloca.c alloca.in.h arpa_inet.in.h \
 	filenamecat.h flexmember.h float.c float.in.h itold.c \
 	fnmatch.c fnmatch_loop.c fnmatch.c fnmatch.in.h fpucw.h free.c \
 	frexp.c frexp.c frexpl.c fstat.c stat-w32.c stat-w32.h \
-	at-func.c fstatat.c getcwd.c getcwd-lgpl.c getdtablesize.c \
-	getlogin_r.c getrandom.c gettimeofday.c \
-	$(top_srcdir)/import/extra/gitlog-to-changelog glob.c \
-	glob_internal.h glob_pattern_p.c globfree.c glob-libc.h \
+	at-func.c fstatat.c getcwd.c getcwd-lgpl.c getdelim.c \
+	getdtablesize.c getline.c getlogin_r.c getrandom.c \
+	gettimeofday.c $(top_srcdir)/import/extra/gitlog-to-changelog \
+	glob.c glob_internal.h glob_pattern_p.c globfree.c glob-libc.h \
 	glob.in.h hard-locale.h inet_ntop.c intprops.h inttypes.in.h \
 	isblank.c float+.h isnan.c isnand-nolibm.h isnand.c float+.h \
 	isnan.c isnanl-nolibm.h isnanl.c cdefs.h libc-config.h \
@@ -1864,9 +1867,9 @@ EXTRA_libgnu_a_SOURCES = alloca.c btowc.c canonicalize-lgpl.c \
 	fchdir.c fcntl.c fdopendir.c float.c itold.c fnmatch.c \
 	fnmatch_loop.c fnmatch.c free.c frexp.c frexp.c frexpl.c \
 	fstat.c stat-w32.c at-func.c fstatat.c getcwd.c getcwd-lgpl.c \
-	getdtablesize.c getlogin_r.c getrandom.c gettimeofday.c glob.c \
-	glob_pattern_p.c globfree.c inet_ntop.c isblank.c isnan.c \
-	isnand.c isnan.c isnanl.c lstat.c malloc.c \
+	getdelim.c getdtablesize.c getline.c getlogin_r.c getrandom.c \
+	gettimeofday.c glob.c glob_pattern_p.c globfree.c inet_ntop.c \
+	isblank.c isnan.c isnand.c isnan.c isnanl.c lstat.c malloc.c \
 	lc-charset-dispatch.c mbrtowc.c mbtowc-lock.c mbsinit.c \
 	mbsrtowcs-state.c mbsrtowcs.c mbtowc.c memchr.c memmem.c \
 	memmem.c mempcpy.c memrchr.c mkdir.c mkdtemp.c mkostemp.c \
@@ -2023,7 +2026,9 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/fstatat.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getcwd-lgpl.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getcwd.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getdelim.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getdtablesize.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getline.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getlogin_r.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getprogname.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/getrandom.Po@am__quote@
diff --git a/gnulib/import/getdelim.c b/gnulib/import/getdelim.c
new file mode 100644
index 00000000000..4bebc004da2
--- /dev/null
+++ b/gnulib/import/getdelim.c
@@ -0,0 +1,147 @@
+/* getdelim.c --- Implementation of replacement getdelim function.
+   Copyright (C) 1994, 1996-1998, 2001, 2003, 2005-2021 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, 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 <https://www.gnu.org/licenses/>.  */
+
+/* Ported from glibc by Simon Josefsson. */
+
+/* Don't use __attribute__ __nonnull__ in this compilation unit.  Otherwise gcc
+   optimizes away the lineptr == NULL || n == NULL || fp == NULL tests below.  */
+#define _GL_ARG_NONNULL(params)
+
+#include <config.h>
+
+#include <stdio.h>
+
+#include <limits.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#ifndef SSIZE_MAX
+# define SSIZE_MAX ((ssize_t) (SIZE_MAX / 2))
+#endif
+
+#if USE_UNLOCKED_IO
+# include "unlocked-io.h"
+# define getc_maybe_unlocked(fp)        getc(fp)
+#elif !HAVE_FLOCKFILE || !HAVE_FUNLOCKFILE || !HAVE_DECL_GETC_UNLOCKED
+# undef flockfile
+# undef funlockfile
+# define flockfile(x) ((void) 0)
+# define funlockfile(x) ((void) 0)
+# define getc_maybe_unlocked(fp)        getc(fp)
+#else
+# define getc_maybe_unlocked(fp)        getc_unlocked(fp)
+#endif
+
+static void
+alloc_failed (void)
+{
+#if defined _WIN32 && ! defined __CYGWIN__
+  /* Avoid errno problem without using the realloc module; see:
+     https://lists.gnu.org/r/bug-gnulib/2016-08/msg00025.html  */
+  errno = ENOMEM;
+#endif
+}
+
+/* Read up to (and including) a DELIMITER from FP into *LINEPTR (and
+   NUL-terminate it).  *LINEPTR is a pointer returned from malloc (or
+   NULL), pointing to *N characters of space.  It is realloc'ed as
+   necessary.  Returns the number of characters read (not including
+   the null terminator), or -1 on error or EOF.  */
+
+ssize_t
+getdelim (char **lineptr, size_t *n, int delimiter, FILE *fp)
+{
+  ssize_t result;
+  size_t cur_len = 0;
+
+  if (lineptr == NULL || n == NULL || fp == NULL)
+    {
+      errno = EINVAL;
+      return -1;
+    }
+
+  flockfile (fp);
+
+  if (*lineptr == NULL || *n == 0)
+    {
+      char *new_lineptr;
+      *n = 120;
+      new_lineptr = (char *) realloc (*lineptr, *n);
+      if (new_lineptr == NULL)
+        {
+          alloc_failed ();
+          result = -1;
+          goto unlock_return;
+        }
+      *lineptr = new_lineptr;
+    }
+
+  for (;;)
+    {
+      int i;
+
+      i = getc_maybe_unlocked (fp);
+      if (i == EOF)
+        {
+          result = -1;
+          break;
+        }
+
+      /* Make enough space for len+1 (for final NUL) bytes.  */
+      if (cur_len + 1 >= *n)
+        {
+          size_t needed_max =
+            SSIZE_MAX < SIZE_MAX ? (size_t) SSIZE_MAX + 1 : SIZE_MAX;
+          size_t needed = 2 * *n + 1;   /* Be generous. */
+          char *new_lineptr;
+
+          if (needed_max < needed)
+            needed = needed_max;
+          if (cur_len + 1 >= needed)
+            {
+              result = -1;
+              errno = EOVERFLOW;
+              goto unlock_return;
+            }
+
+          new_lineptr = (char *) realloc (*lineptr, needed);
+          if (new_lineptr == NULL)
+            {
+              alloc_failed ();
+              result = -1;
+              goto unlock_return;
+            }
+
+          *lineptr = new_lineptr;
+          *n = needed;
+        }
+
+      (*lineptr)[cur_len] = i;
+      cur_len++;
+
+      if (i == delimiter)
+        break;
+    }
+  (*lineptr)[cur_len] = '\0';
+  result = cur_len ? cur_len : result;
+
+ unlock_return:
+  funlockfile (fp); /* doesn't set errno */
+
+  return result;
+}
diff --git a/gnulib/import/getline.c b/gnulib/import/getline.c
new file mode 100644
index 00000000000..a72cb180449
--- /dev/null
+++ b/gnulib/import/getline.c
@@ -0,0 +1,27 @@
+/* getline.c --- Implementation of replacement getline function.
+   Copyright (C) 2005-2007, 2009-2021 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, 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 <https://www.gnu.org/licenses/>.  */
+
+/* Written by Simon Josefsson. */
+
+#include <config.h>
+
+#include <stdio.h>
+
+ssize_t
+getline (char **lineptr, size_t *n, FILE *stream)
+{
+  return getdelim (lineptr, n, '\n', stream);
+}
diff --git a/gnulib/import/m4/getdelim.m4 b/gnulib/import/m4/getdelim.m4
new file mode 100644
index 00000000000..244a7319254
--- /dev/null
+++ b/gnulib/import/m4/getdelim.m4
@@ -0,0 +1,99 @@
+# getdelim.m4 serial 15
+
+dnl Copyright (C) 2005-2007, 2009-2021 Free Software Foundation, Inc.
+dnl
+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_PREREQ([2.59])
+
+AC_DEFUN([gl_FUNC_GETDELIM],
+[
+  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+
+  dnl Persuade glibc <stdio.h> to declare getdelim().
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
+  AC_CHECK_DECLS_ONCE([getdelim])
+
+  AC_CHECK_FUNCS_ONCE([getdelim])
+  if test $ac_cv_func_getdelim = yes; then
+    HAVE_GETDELIM=1
+    dnl Found it in some library.  Verify that it works.
+    AC_CACHE_CHECK([for working getdelim function],
+      [gl_cv_func_working_getdelim],
+      [echo fooNbarN | tr -d '\012' | tr N '\012' > conftest.data
+       AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#    include <stdio.h>
+#    include <stdlib.h>
+#    include <string.h>
+    int main ()
+    {
+      FILE *in = fopen ("./conftest.data", "r");
+      if (!in)
+        return 1;
+      {
+        /* Test result for a NULL buffer and a zero size.
+           Based on a test program from Karl Heuer.  */
+        char *line = NULL;
+        size_t siz = 0;
+        int len = getdelim (&line, &siz, '\n', in);
+        if (!(len == 4 && line && strcmp (line, "foo\n") == 0))
+          { free (line); fclose (in); return 2; }
+        free (line);
+      }
+      {
+        /* Test result for a NULL buffer and a non-zero size.
+           This crashes on FreeBSD 8.0.  */
+        char *line = NULL;
+        size_t siz = (size_t)(~0) / 4;
+        if (getdelim (&line, &siz, '\n', in) == -1)
+          { fclose (in); return 3; }
+        free (line);
+      }
+      fclose (in);
+      return 0;
+    }
+    ]])],
+         [gl_cv_func_working_getdelim=yes],
+         [gl_cv_func_working_getdelim=no],
+         [dnl We're cross compiling.
+          dnl Guess it works on glibc2 systems and musl systems.
+          AC_EGREP_CPP([Lucky GNU user],
+            [
+#include <features.h>
+#ifdef __GNU_LIBRARY__
+ #if (__GLIBC__ >= 2) && !defined __UCLIBC__
+  Lucky GNU user
+ #endif
+#endif
+            ],
+            [gl_cv_func_working_getdelim="guessing yes"],
+            [case "$host_os" in
+               *-musl*) gl_cv_func_working_getdelim="guessing yes" ;;
+               *)       gl_cv_func_working_getdelim="$gl_cross_guess_normal" ;;
+             esac
+            ])
+         ])
+      ])
+    case "$gl_cv_func_working_getdelim" in
+      *yes) ;;
+      *) REPLACE_GETDELIM=1 ;;
+    esac
+  else
+    HAVE_GETDELIM=0
+  fi
+
+  if test $ac_cv_have_decl_getdelim = no; then
+    HAVE_DECL_GETDELIM=0
+  fi
+])
+
+# Prerequisites of lib/getdelim.c.
+AC_DEFUN([gl_PREREQ_GETDELIM],
+[
+  AC_CHECK_FUNCS([flockfile funlockfile])
+  AC_CHECK_DECLS([getc_unlocked])
+])
diff --git a/gnulib/import/m4/getline.m4 b/gnulib/import/m4/getline.m4
new file mode 100644
index 00000000000..58b27c73f0f
--- /dev/null
+++ b/gnulib/import/m4/getline.m4
@@ -0,0 +1,109 @@
+# getline.m4 serial 30
+
+dnl Copyright (C) 1998-2003, 2005-2007, 2009-2021 Free Software Foundation,
+dnl Inc.
+dnl
+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_PREREQ([2.59])
+
+dnl See if there's a working, system-supplied version of the getline function.
+dnl We can't just do AC_REPLACE_FUNCS([getline]) because some systems
+dnl have a function by that name in -linet that doesn't have anything
+dnl to do with the function we need.
+AC_DEFUN([gl_FUNC_GETLINE],
+[
+  AC_REQUIRE([gl_STDIO_H_DEFAULTS])
+  AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+
+  dnl Persuade glibc <stdio.h> to declare getline().
+  AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
+
+  AC_CHECK_DECLS_ONCE([getline])
+
+  gl_getline_needs_run_time_check=no
+  AC_CHECK_FUNC([getline],
+                [dnl Found it in some library.  Verify that it works.
+                 gl_getline_needs_run_time_check=yes],
+                [am_cv_func_working_getline=no])
+  if test $gl_getline_needs_run_time_check = yes; then
+    AC_CACHE_CHECK([for working getline function],
+      [am_cv_func_working_getline],
+      [echo fooNbarN | tr -d '\012' | tr N '\012' > conftest.data
+       AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#    include <stdio.h>
+#    include <stdlib.h>
+#    include <string.h>
+    int main ()
+    {
+      FILE *in = fopen ("./conftest.data", "r");
+      if (!in)
+        return 1;
+      {
+        /* Test result for a NULL buffer and a zero size.
+           Based on a test program from Karl Heuer.  */
+        char *line = NULL;
+        size_t siz = 0;
+        int len = getline (&line, &siz, in);
+        if (!(len == 4 && line && strcmp (line, "foo\n") == 0))
+          { free (line); fclose (in); return 2; }
+        free (line);
+      }
+      {
+        /* Test result for a NULL buffer and a non-zero size.
+           This crashes on FreeBSD 8.0.  */
+        char *line = NULL;
+        size_t siz = (size_t)(~0) / 4;
+        if (getline (&line, &siz, in) == -1)
+          { fclose (in); return 3; }
+        free (line);
+      }
+      fclose (in);
+      return 0;
+    }
+    ]])],
+         [am_cv_func_working_getline=yes],
+         [am_cv_func_working_getline=no],
+         [dnl We're cross compiling.
+          dnl Guess it works on glibc2 systems and musl systems.
+          AC_EGREP_CPP([Lucky GNU user],
+            [
+#include <features.h>
+#ifdef __GNU_LIBRARY__
+ #if (__GLIBC__ >= 2) && !defined __UCLIBC__
+  Lucky GNU user
+ #endif
+#endif
+            ],
+            [am_cv_func_working_getline="guessing yes"],
+            [case "$host_os" in
+               *-musl*) am_cv_func_working_getline="guessing yes" ;;
+               *)       am_cv_func_working_getline="$gl_cross_guess_normal" ;;
+             esac
+            ])
+         ])
+      ])
+  fi
+
+  if test $ac_cv_have_decl_getline = no; then
+    HAVE_DECL_GETLINE=0
+  fi
+
+  case "$am_cv_func_working_getline" in
+    *yes) ;;
+    *)
+      dnl Set REPLACE_GETLINE always: Even if we have not found the broken
+      dnl getline function among $LIBS, it may exist in libinet and the
+      dnl executable may be linked with -linet.
+      REPLACE_GETLINE=1
+      ;;
+  esac
+])
+
+# Prerequisites of lib/getline.c.
+AC_DEFUN([gl_PREREQ_GETLINE],
+[
+  :
+])
diff --git a/gnulib/import/m4/gnulib-cache.m4 b/gnulib/import/m4/gnulib-cache.m4
index 00dcf604059..6481bde894e 100644
--- a/gnulib/import/m4/gnulib-cache.m4
+++ b/gnulib/import/m4/gnulib-cache.m4
@@ -47,6 +47,7 @@
 #  fnmatch-gnu \
 #  frexpl \
 #  getcwd \
+#  getline \
 #  gettimeofday \
 #  gitlog-to-changelog \
 #  glob \
@@ -89,6 +90,7 @@ gl_MODULES([
   fnmatch-gnu
   frexpl
   getcwd
+  getline
   gettimeofday
   gitlog-to-changelog
   glob
diff --git a/gnulib/import/m4/gnulib-comp.m4 b/gnulib/import/m4/gnulib-comp.m4
index c3926e0d06d..ab4f5f9a0b0 100644
--- a/gnulib/import/m4/gnulib-comp.m4
+++ b/gnulib/import/m4/gnulib-comp.m4
@@ -101,7 +101,9 @@ AC_DEFUN([gl_EARLY],
   # Code from module fstatat:
   # Code from module getcwd:
   # Code from module getcwd-lgpl:
+  # Code from module getdelim:
   # Code from module getdtablesize:
+  # Code from module getline:
   # Code from module getlogin_r:
   # Code from module getprogname:
   # Code from module getrandom:
@@ -392,12 +394,24 @@ AC_DEFUN([gl_INIT],
     AC_LIBOBJ([getcwd-lgpl])
   fi
   gl_UNISTD_MODULE_INDICATOR([getcwd])
+  gl_FUNC_GETDELIM
+  if test $HAVE_GETDELIM = 0 || test $REPLACE_GETDELIM = 1; then
+    AC_LIBOBJ([getdelim])
+    gl_PREREQ_GETDELIM
+  fi
+  gl_STDIO_MODULE_INDICATOR([getdelim])
   gl_FUNC_GETDTABLESIZE
   if test $HAVE_GETDTABLESIZE = 0 || test $REPLACE_GETDTABLESIZE = 1; then
     AC_LIBOBJ([getdtablesize])
     gl_PREREQ_GETDTABLESIZE
   fi
   gl_UNISTD_MODULE_INDICATOR([getdtablesize])
+  gl_FUNC_GETLINE
+  if test $REPLACE_GETLINE = 1; then
+    AC_LIBOBJ([getline])
+    gl_PREREQ_GETLINE
+  fi
+  gl_STDIO_MODULE_INDICATOR([getline])
   gl_FUNC_GETLOGIN_R
   if test $HAVE_GETLOGIN_R = 0 || test $REPLACE_GETLOGIN_R = 1; then
     AC_LIBOBJ([getlogin_r])
@@ -990,7 +1004,9 @@ AC_DEFUN([gl_FILE_LIST], [
   lib/fstatat.c
   lib/getcwd-lgpl.c
   lib/getcwd.c
+  lib/getdelim.c
   lib/getdtablesize.c
+  lib/getline.c
   lib/getlogin_r.c
   lib/getprogname.c
   lib/getprogname.h
@@ -1198,7 +1214,9 @@ AC_DEFUN([gl_FILE_LIST], [
   m4/getcwd-abort-bug.m4
   m4/getcwd-path-max.m4
   m4/getcwd.m4
+  m4/getdelim.m4
   m4/getdtablesize.m4
+  m4/getline.m4
   m4/getlogin.m4
   m4/getlogin_r.m4
   m4/getpagesize.m4
diff --git a/gnulib/update-gnulib.sh b/gnulib/update-gnulib.sh
index c734829126f..1950bec6f51 100755
--- a/gnulib/update-gnulib.sh
+++ b/gnulib/update-gnulib.sh
@@ -39,6 +39,7 @@ IMPORTED_GNULIB_MODULES="\
     fnmatch-gnu \
     frexpl \
     getcwd \
+    getline \
     gettimeofday \
     gitlog-to-changelog \
     glob \