make/make-arglength.patch

Index: make-3.82/configure.in
===================================================================
--- make-3.82.orig/configure.in
+++ make-3.82/configure.in
@@ -64,7 +64,8 @@ AC_HEADER_DIRENT
 AC_HEADER_STAT
 AC_HEADER_TIME
 AC_CHECK_HEADERS(stdlib.h locale.h unistd.h limits.h fcntl.h string.h \
-		 memory.h sys/param.h sys/resource.h sys/time.h sys/timeb.h)
+		 memory.h sys/param.h sys/resource.h sys/time.h sys/timeb.h \
+		 sys/user.h linux/binfmts.h)
 
 # Set a flag if we have an ANSI C compiler
 if test "$ac_cv_prog_cc_stdc" != no; then
Index: make-3.82/job.c
===================================================================
--- make-3.82.orig/job.c
+++ make-3.82/job.c
@@ -29,6 +29,14 @@ this program.  If not, see <http://www.g
 
 #include <string.h>
 
+#if defined (HAVE_LINUX_BINFMTS_H) && defined (HAVE_SYS_USER_H)
+#include <sys/user.h>
+#include <linux/binfmts.h>
+#ifndef PAGE_SIZE
+#define PAGE_SIZE getpagesize()
+#endif
+#endif
+
 /* Default shell to use.  */
 #ifdef WINDOWS32
 #include <windows.h>
@@ -2795,6 +2803,7 @@ construct_command_argv_internal (char *l
     unsigned int sflags_len = strlen (shellflags);
     char *command_ptr = NULL; /* used for batch_mode_shell mode */
     char *new_line;
+    char *args_ptr;
 
 # ifdef __EMX__ /* is this necessary? */
     if (!unixy_shell)
@@ -2865,8 +2874,17 @@ construct_command_argv_internal (char *l
 	return new_argv;
       }
 
+#ifdef MAX_ARG_STRLEN
+    static char eval_line[] = "eval\\ \\\"set\\ x\\;\\ shift\\;\\ ";
+#define ARG_NUMBER_DIGITS 5
+#define EVAL_LEN (sizeof(eval_line)-1 + shell_len + 4                   \
+                  + (7 + ARG_NUMBER_DIGITS) * 2 * line_len / (MAX_ARG_STRLEN - 2))
+#else
+#define EVAL_LEN 0
+#endif
+
     new_line = alloca (shell_len + 1 + sflags_len + 1
-                             + (line_len*2) + 1);
+                       + (line_len*2) + 1 + EVAL_LEN);
     ap = new_line;
     memcpy (ap, shell, shell_len);
     ap += shell_len;
@@ -2875,6 +2893,30 @@ construct_command_argv_internal (char *l
     ap += sflags_len;
     *(ap++) = ' ';
     command_ptr = ap;
+
+#if !defined (WINDOWS32) && defined (MAX_ARG_STRLEN)
+    if (unixy_shell && line_len > MAX_ARG_STRLEN)
+      {
+	unsigned j;
+	memcpy (ap, eval_line, sizeof (eval_line) - 1);
+	ap += sizeof (eval_line) - 1;
+	for (j = 1; j <= 2 * line_len / (MAX_ARG_STRLEN - 2); j++)
+	  ap += sprintf (ap, "\\$\\{%u\\}", j);
+	*ap++ = '\\';
+	*ap++ = '"';
+	*ap++ = ' ';
+	/* Copy only the first word of SHELL to $0.  */
+	for (p = shell; *p != '\0'; ++p)
+	  {
+	    if (isspace ((unsigned char)*p))
+	      break;
+	    *ap++ = *p;
+	  }
+	*ap++ = ' ';
+      }
+#endif
+    args_ptr = ap;
+
     for (p = line; *p != '\0'; ++p)
       {
 	if (restp != NULL && *p == '\n')
@@ -2922,6 +2964,14 @@ construct_command_argv_internal (char *l
           }
 #endif
 	*ap++ = *p;
+
+#if !defined (WINDOWS32) && defined (MAX_ARG_STRLEN)
+	if (unixy_shell && line_len > MAX_ARG_STRLEN && (ap - args_ptr > MAX_ARG_STRLEN - 2))
+	  {
+	    *ap++ = ' ';
+	    args_ptr = ap;
+	  }
+#endif
       }
     if (ap == new_line + shell_len + sflags_len + 2)
       /* Line was empty.  */