aboutsummaryrefslogtreecommitdiff
path: root/nuttx/tools/mkdeps.c
diff options
context:
space:
mode:
Diffstat (limited to 'nuttx/tools/mkdeps.c')
-rw-r--r--nuttx/tools/mkdeps.c721
1 files changed, 0 insertions, 721 deletions
diff --git a/nuttx/tools/mkdeps.c b/nuttx/tools/mkdeps.c
deleted file mode 100644
index 64d81cbd7..000000000
--- a/nuttx/tools/mkdeps.c
+++ /dev/null
@@ -1,721 +0,0 @@
-/****************************************************************************
- * tools/mkdeps.c
- *
- * Copyright (C) 2012 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
-
-/****************************************************************************
- * Included Files
- ****************************************************************************/
-
-#include <sys/stat.h>
-
-#include <stdbool.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <limits.h>
-#include <ctype.h>
-#include <errno.h>
-
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-#define MAX_BUFFER (4096)
-
-/****************************************************************************
- * Private Types
- ****************************************************************************/
-
-enum slashmode_e
-{
- MODE_FSLASH = 0,
- MODE_BSLASH = 1,
- MODE_DBLBACK = 2
-};
-
-/****************************************************************************
- * Private Data
- ****************************************************************************/
-
-static char *g_cc = NULL;
-static char *g_cflags = NULL;
-static char *g_files = NULL;
-static char *g_altpath = NULL;
-static int g_debug = 0;
-static bool g_winnative = false;
-#ifdef HAVE_WINPATH
-static bool g_winpath = false;
-static char *g_topdir = NULL;
-#endif
-
-static char g_command[MAX_BUFFER];
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
- /* MinGW does not seem to provide strtok_r */
-
-#ifndef HAVE_STRTOK_R
-static char *MY_strtok_r(char *str, const char *delim, char **saveptr)
-{
- char *pbegin;
- char *pend = NULL;
-
- /* Decide if we are starting a new string or continuing from
- * the point we left off.
- */
-
- if (str)
- {
- pbegin = str;
- }
- else if (saveptr && *saveptr)
- {
- pbegin = *saveptr;
- }
- else
- {
- return NULL;
- }
-
- /* Find the beginning of the next token */
-
- for (;
- *pbegin && strchr(delim, *pbegin) != NULL;
- pbegin++);
-
- /* If we are at the end of the string with nothing
- * but delimiters found, then return NULL.
- */
-
- if (!*pbegin)
- {
- return NULL;
- }
-
- /* Find the end of the token */
-
- for (pend = pbegin + 1;
- *pend && strchr(delim, *pend) == NULL;
- pend++);
-
- /* pend either points to the end of the string or to
- * the first delimiter after the string.
- */
-
- if (*pend)
- {
- /* Turn the delimiter into a null terminator */
-
- *pend++ = '\0';
- }
-
- /* Save the pointer where we left off and return the
- * beginning of the token.
- */
-
- if (saveptr)
- {
- *saveptr = pend;
- }
- return pbegin;
-}
-
-#define strtok_r MY_strtok_r
-#endif
-
-static void append(char **base, char *str)
-{
- char *oldbase;
- char *newbase;
- int alloclen;
-
- oldbase = *base;
- if (!oldbase)
- {
- newbase = strdup(str);
- if (!newbase)
- {
- fprintf(stderr, "ERROR: Failed to strdup %s\n", str);
- exit(EXIT_FAILURE);
- }
- }
- else
- {
- alloclen = strlen(oldbase) + strlen(str) + 2;
- newbase = (char *)malloc(alloclen);
- if (!newbase)
- {
- fprintf(stderr, "ERROR: Failed to allocate %d bytes\n", alloclen);
- exit(EXIT_FAILURE);
- }
-
- snprintf(newbase, alloclen, "%s %s\n", oldbase, str);
- free(oldbase);
- }
-
- *base = newbase;
-}
-
-static void show_usage(const char *progname, const char *msg, int exitcode)
-{
- if (msg)
- {
- fprintf(stderr, "\n");
- fprintf(stderr, "%s:\n", msg);
- }
-
- fprintf(stderr, "\n");
- fprintf(stderr, "%s [OPTIONS] CC -- CFLAGS -- file [file [file...]]\n",
- progname);
- fprintf(stderr, "\n");
- fprintf(stderr, "Where:\n");
- fprintf(stderr, " CC\n");
- fprintf(stderr, " A variable number of arguments that define how to execute the compiler\n");
- fprintf(stderr, " CFLAGS\n");
- fprintf(stderr, " The compiler compilation flags\n");
- fprintf(stderr, " file\n");
- fprintf(stderr, " One or more C files whose dependencies will be checked. Each file is expected\n");
- fprintf(stderr, " to reside in the current directory unless --dep-path is provided on the command line\n");
- fprintf(stderr, "\n");
- fprintf(stderr, "And [OPTIONS] include:\n");
- fprintf(stderr, " --dep-debug\n");
- fprintf(stderr, " Enable script debug\n");
- fprintf(stderr, " --dep-path <path>\n");
- fprintf(stderr, " Do not look in the current directory for the file. Instead, look in <path> to see\n");
- fprintf(stderr, " if the file resides there. --dep-path may be used multiple times to specify\n");
- fprintf(stderr, " multiple alternative location\n");
- fprintf(stderr, " --winnative\n");
- fprintf(stderr, " By default, a POSIX-style environment is assumed (e.g., Linux, Cygwin, etc.) This option is\n");
- fprintf(stderr, " inform the tool that is working in a pure Windows native environment.\n");
-#ifdef HAVE_WINPATH
- fprintf(stderr, " --winpaths <TOPDIR>\n");
- fprintf(stderr, " This option is useful when using a Windows native toolchain in a POSIX environment (such\n");
- fprintf(stderr, " such as Cygwin). In this case, will CC generates dependency lists using Windows paths\n");
- fprintf(stderr, " (e.g., C:\\blablah\\blabla). This switch instructs the script to use 'cygpath' to convert\n");
- fprintf(stderr, " the Windows paths to Cygwin POSIXE paths.\n");
-#endif
- fprintf(stderr, " --help\n");
- fprintf(stderr, " Shows this message and exits\n");
- exit(exitcode);
-}
-
-static void parse_args(int argc, char **argv)
-{
- char *args = NULL;
- int argidx;
-
- /* Accumulate CFLAGS up to "--" */
-
- for (argidx = 1; argidx < argc; argidx++)
- {
- if (strcmp(argv[argidx], "--") == 0)
- {
- g_cc = g_cflags;
- g_cflags = args;
- args = NULL;
- }
- else if (strcmp(argv[argidx], "--dep-debug") == 0)
- {
- g_debug++;
- }
- else if (strcmp(argv[argidx], "--dep-path") == 0)
- {
- argidx++;
- if (argidx >= argc)
- {
- show_usage(argv[0], "ERROR: Missing argument to --dep-path", EXIT_FAILURE);
- }
-
- if (args)
- {
- append(&args, argv[argidx]);
- }
- else
- {
- append(&g_altpath, argv[argidx]);
- }
- }
- else if (strcmp(argv[argidx], "--winnative") == 0)
- {
- g_winnative = true;
- }
-#ifdef HAVE_WINPATH
- else if (strcmp(argv[argidx], "--winpath") == 0)
- {
- g_winpath = true;
- if (g_topdir)
- {
- free(g_topdir);
- }
-
- argidx++;
- if (argidx >= argc)
- {
- show_usage(argv[0], "ERROR: Missing argument to --winpath", EXIT_FAILURE);
- }
-
- g_topdir = strdup(argv[argidx]);
- }
-#endif
- else if (strcmp(argv[argidx], "--help") == 0)
- {
- show_usage(argv[0], NULL, EXIT_SUCCESS);
- }
- else
- {
- append(&args, argv[argidx]);
- }
- }
-
- /* The final thing accumulated is the list of files */
-
- g_files = args;
-
- /* If no paths were specified, then look in the current directory only */
-
- if (!g_altpath)
- {
- g_altpath = strdup(".");
- }
-
- if (g_debug)
- {
- fprintf(stderr, "SELECTIONS\n");
- fprintf(stderr, " CC : [%s]\n", g_cc ? g_cc : "(None)");
- fprintf(stderr, " CFLAGS : [%s]\n", g_cflags ? g_cflags : "(None)");
- fprintf(stderr, " FILES : [%s]\n", g_files ? g_files : "(None)");
- fprintf(stderr, " PATHS : [%s]\n", g_altpath ? g_altpath : "(None)");
-#ifdef HAVE_WINPATH
- fprintf(stderr, " Windows Paths : [%s]\n", g_winpath ? "TRUE" : "FALSE");
- if (g_winpath)
- {
- fprintf(stderr, " TOPDIR : [%s]\n", g_topdir);
- }
-#endif
- fprintf(stderr, " Windows Native : [%s]\n", g_winnative ? "TRUE" : "FALSE");
- }
-
- /* Check for required paramters */
-
- if (!g_cc)
- {
- show_usage(argv[0], "ERROR: No compiler specified", EXIT_FAILURE);
- }
-
- if (!g_files)
- {
- /* Don't report an error -- this happens normally in some configurations */
-
- printf("# No files specified for dependency generataion\n");
- exit(EXIT_SUCCESS);
- }
-
-#ifdef HAVE_WINPATH
- if (g_winnative && g_winpath)
- {
- show_usage(argv[0], "ERROR: Both --winnative and --winpapth makes no sense", EXIT_FAILURE);
- }
-#endif
-}
-
-static void do_dependency(const char *file, char separator)
-{
- static const char moption[] = " -M ";
- struct stat buf;
- char *alloc;
- char *altpath;
- char *path;
- char *lasts;
- int cmdlen;
- int pathlen;
- int filelen;
- int totallen;
- int ret;
-
- /* Copy the compiler into the command buffer */
-
- cmdlen = strlen(g_cc);
- if (cmdlen >= MAX_BUFFER)
- {
- fprintf(stderr, "ERROR: Compiler string is too long [%d/%d]: %s\n",
- cmdlen, MAX_BUFFER, g_cc);
- exit(EXIT_FAILURE);
- }
-
- strcpy(g_command, g_cc);
-
- /* Copy " -M " */
-
- cmdlen += strlen(moption);
- if (cmdlen >= MAX_BUFFER)
- {
- fprintf(stderr, "ERROR: Option string is too long [%d/%d]: %s\n",
- cmdlen, MAX_BUFFER, moption);
- exit(EXIT_FAILURE);
- }
-
- strcat(g_command, moption);
-
- /* Copy the CFLAGS into the command buffer */
-
- cmdlen += strlen(g_cflags);
- if (cmdlen >= MAX_BUFFER)
- {
- fprintf(stderr, "ERROR: CFLAG string is too long [%d/%d]: %s\n",
- cmdlen, MAX_BUFFER, g_cflags);
- exit(EXIT_FAILURE);
- }
-
- strcat(g_command, g_cflags);
-
- /* Add a space */
-
- g_command[cmdlen] = ' ';
- cmdlen++;
- g_command[cmdlen] = '\0';
-
- /* Make a copy of g_altpath. We need to do this because at least the version
- * of strtok_r above does modifie it.
- */
-
- alloc = strdup(g_altpath);
- if (!alloc)
- {
- fprintf(stderr, "ERROR: Failed to strdup paths\n");
- exit(EXIT_FAILURE);
- }
-
- altpath = alloc;
-
- /* Try each path. This loop will continue until each path has been tried
- * (failure) or until stat() finds the file
- */
-
- while ((path = strtok_r(altpath, " ", &lasts)) != NULL)
- {
- /* Create a full path to the file */
-
- pathlen = strlen(path);
- totallen = cmdlen + pathlen;
- if (totallen >= MAX_BUFFER)
- {
- fprintf(stderr, "ERROR: Path is too long [%d/%d]: %s\n",
- totallen, MAX_BUFFER, path);
- exit(EXIT_FAILURE);
- }
-
- strcpy(&g_command[cmdlen], path);
-
- if (g_command[totallen] != '\0')
- {
- fprintf(stderr, "ERROR: Missing NUL terminator\n");
- exit(EXIT_FAILURE);
- }
-
- if (g_command[totallen-1] != separator)
- {
- g_command[totallen] = separator;
- g_command[totallen+1] = '\0';
- pathlen++;
- totallen++;
- }
-
- filelen = strlen(file);
- totallen += filelen;
- if (totallen >= MAX_BUFFER)
- {
- fprintf(stderr, "ERROR: Path+file is too long [%d/%d]\n",
- totallen, MAX_BUFFER);
- exit(EXIT_FAILURE);
- }
-
- strcat(g_command, file);
-
- /* Check that a file actually exists at this path */
-
- if (g_debug)
- {
- fprintf(stderr, "Trying path=%s file=%s fullpath=%s\n",
- path, file, &g_command[cmdlen]);
- }
-
- ret = stat(&g_command[cmdlen], &buf);
- if (ret < 0)
- {
- altpath = NULL;
- continue;
- }
-
- if (!S_ISREG(buf.st_mode))
- {
- fprintf(stderr, "ERROR: File %s exists but is not a regular file\n",
- &g_command[cmdlen]);
- exit(EXIT_FAILURE);
- }
-
- /* Okay.. we have. Create the dependency. One a failure to start the
- * compiler, system() will return -1; Otherwise, the returned value
- * from the compiler is in WEXITSTATUS(ret).
- */
-
- ret = system(g_command);
-#ifdef WEXITSTATUS
- if (ret < 0 || WEXITSTATUS(ret) != 0)
- {
- if (ret < 0)
- {
- fprintf(stderr, "ERROR: system failed: %s\n", strerror(errno));
- }
- else
- {
- fprintf(stderr, "ERROR: %s failed: %d\n", g_cc, WEXITSTATUS(ret));
- }
-
- fprintf(stderr, " command: %s\n", g_command);
- exit(EXIT_FAILURE);
- }
-#else
- if (ret < 0)
- {
- fprintf(stderr, "ERROR: system failed: %s\n", strerror(errno));
- fprintf(stderr, " command: %s\n", g_command);
- exit(EXIT_FAILURE);
- }
-#endif
-
- /* We don't really know that the command succeeded... Let's assume that it did */
-
- free(alloc);
- return;
- }
-
- printf("# ERROR: File \"%s\" not found at any location\n", file);
- exit(EXIT_FAILURE);
-}
-
-/* Convert a Cygwin path to a Windows path */
-
-#ifdef HAVE_WINPATH
-static char *cywin2windows(const char *str, const char *append, enum slashmode_e mode)
-{
- static const char cygdrive[] = "/cydrive";
- const char *src = src;
- char *dest;
- char *newpath;
- char *allocpath = NULL;
- int srclen = strlen(str);
- int alloclen = 0;
- int drive = 0;
- int lastchar;
-
- /* Skip any leading whitespace */
-
- while (isspace(*str)) str++;
-
- /* Were we asked to append something? */
-
- if (append)
- {
- char *tmp;
-
- alloclen = sizeof(str) + sizeof(append) + 1;
- allocpath = (char *)malloc(alloclen);
- if (!allocpath)
- {
- fprintf(stderr, "ERROR: Failed to allocate %d bytes\n", alloclen);
- exit(EXIT_FAILURE);
- }
-
- snprintf(allocpath, alloclen, "%s/%s", str, append);
- }
-
- /* Looking for path of the form /cygdrive/c/bla/bla/bla */
-
- if (strcasecmp(src, cygdrive) == 0)
- {
- int cygsize = sizeof(cygdrive);
- if (src[cygsize] == '/')
- {
- cygsize++;
- srclen -= cygsize;
- src += cygsize;
-
- if (srclen <= 0)
- {
- fprintf(stderr, "ERROR: Unhandled path: \"%s\"\n", str);
- exit(EXIT_FAILURE);
- }
-
- drive = toupper(*src);
- if (drive < 'A' || drive > 'Z')
- {
- fprintf(stderr, "ERROR: Drive charager: \"%s\"\n", str);
- exit(EXIT_FAILURE);
- }
-
- srclen--;
- src++;
- alloclen = 2;
- }
- }
-
- /* Determine the size of the new path */
-
- alloclen += sizeof(src) + 1;
- if (mode == MODE_DBLBACK)
- {
- const char *tmpptr;
- for (tmpptr = src; *tmpptr; tmpptr++)
- {
- if (*tmpptr == '/') alloclen++;
- }
- }
-
- /* Allocate memory for the new path */
-
- newpath = (char *)malloc(alloclen);
- if (!newpath)
- {
- fprintf(stderr, "ERROR: Failed to allocate %d bytes\n", alloclen);
- exit(EXIT_FAILURE);
- }
-
- dest = newpath;
-
- /* Copy the drive character */
-
- if (drive)
- {
- *dest++ = drive;
- *dest++ = ':';
- }
-
- /* Copy each character from the source, making modifications for foward
- * slashes as required.
- */
-
- lastchar = '\0';
- for (; *src; src++)
- {
- if (mode != MODE_FSLASH && *src == '/')
- {
- if (lastchar != '/')
- {
- *dest++ = '\\';
- if (mode == MODE_DBLBACK)
- {
- *dest++ = '\\';
- }
- }
- }
- else
- {
- *dest++ = *src;
- }
-
- lastchar = *src;
- }
-
- *dest++ = '\0';
- if (allocpath)
- {
- free(allocpath);
- }
- return dest;
-}
-#endif
-
-#ifdef HAVE_WINPATH
-static void do_winpath(char *file)
-{
- /* The file is in POSIX format. CC expects Windows format to generate the
- * dependencies, but GNU make expect the resulting dependencies to be back
- * in POSIX format. What a mess!
- */
-
- char *path = cywin2windows(g_topdir, file, MODE_FSLASH);
-
- /* Then get the dependency and perform conversions on it to make it
- * palatable to the Cygwin make.
- */
-#warning "Missing logic"
-
- free(path);
-}
-#endif
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-int main(int argc, char **argv, char **envp)
-{
- char *lasts;
- char *files;
- char *file;
-
- /* Parse command line parameters */
-
- parse_args(argc, argv);
-
- /* Then generate dependencies for each path on the command line. NOTE
- * strtok_r will clobber the files list. But that is okay because we are
- * only going to traverse it once.
- */
-
- files = g_files;
- while ((file = strtok_r(files, " ", &lasts)) != NULL)
- {
- /* Check if we need to do path conversions for a Windows-natvie tool
- * being using in a POSIX/Cygwin environment.
- */
-
-#ifdef HAVE_WINPATH
- if (g_winpath)
- {
- do_winpath(file);
- }
- else
-#endif
- {
- do_dependency(file, g_winnative ? '\\' : '/');
- }
-
- files = NULL;
- }
-
- return EXIT_SUCCESS;
-}