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nuttx/tools/configure.c

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/****************************************************************************
* tools/configure.c
*
* Copyright (C) 2012, 2017-2019 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 <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <unistd.h>
#include <fcntl.h>
#include <string.h>
#include <dirent.h>
#include <libgen.h>
#include <errno.h>
#include "cfgparser.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define BUFFER_SIZE 1024
#ifdef WIN32
# define strndup(x, y) strdup(x)
#endif
#define HOST_NOCHANGE 0
#define HOST_LINUX 1
#define HOST_MACOS 2
#define HOST_WINDOWS 3
#define WINDOWS_NATIVE 1
#define WINDOWS_CYGWIN 2
#define WINDOWS_UBUNTU 3
#define WINDOWS_MSYS 4
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static void show_usage(const char *progname, int exitcode);
static void debug(const char *fmt, ...);
static void parse_args(int argc, char **argv);
static int run_make(const char *arg);
static bool filecmp(const char *f1, const char *f2);
static bool check_directory(const char *directory);
static void verify_directory(const char *directory);
static bool verify_optiondir(const char *directory);
static bool verify_file(const char *path);
static void find_topdir(void);
typedef void (*config_callback)(const char *boarddir, const char *archname,
const char *chipname, const char *boardname,
const char *configname, void *data);
static void config_search(const char *boarddir,
config_callback callback, void *data);
static void archname_callback(const char *boarddir, const char *archname,
const char *chipname, const char *boardname,
const char *configname, void *data);
static void find_archname(void);
static void enumerate_callback(const char *boarddir, const char *archname,
const char *chipname, const char *boardname,
const char *configname, void *data);
static void enumerate_configs(void);
static void check_configdir(void);
static void check_configured(void);
static void read_configfile(void);
static void read_versionfile(void);
static void get_verstring(void);
static bool verify_appdir(const char *appdir);
static void check_appdir(void);
static void check_configuration(void);
static void copy_file(const char *srcpath,
const char *destpath, mode_t mode);
static void substitute(char *str, int ch1, int ch2);
static char *double_appdir_backslashes(char *old_appdir);
static void copy_optional(void);
static void enable_feature(const char *destconfig, const char *varname);
static void disable_feature(const char *destconfig, const char *varname);
static void set_host(const char *destconfig);
static void configure(void);
static void refresh(void);
/****************************************************************************
* Private Data
****************************************************************************/
#ifdef CONFIG_WINDOWS_NATIVE
static char g_delim = '\\'; /* Delimiter to use when forming paths */
static bool g_winpaths = true; /* True: Windows style paths */
#else
static char g_delim = '/'; /* Delimiter to use when forming paths */
static bool g_winpaths = false; /* False: POSIX style paths */
#endif
static bool g_debug = false; /* Enable debug output */
static bool g_enforce = false; /* Enfore distclean */
static bool g_distclean = false; /* Distclean if configured */
static const char *g_appdir = NULL; /* Relative path to the application directory */
static const char *g_archdir = NULL; /* Name of architecture subdirectory */
static const char *g_chipdir = NULL; /* Name of chip subdirectory */
static const char *g_boarddir = NULL; /* Name of board subdirectory */
static char *g_configdir = NULL; /* Name of configuration subdirectory */
static char *g_topdir = NULL; /* Full path to top-level NuttX build directory */
static char *g_apppath = NULL; /* Full path to the application directory */
static char *g_configtop = NULL; /* Full path to the top-level configuration directory */
static char *g_configpath = NULL; /* Full path to the configuration sub-directory */
static char *g_scriptspath = NULL; /* Full path to the scripts sub-directory */
static char *g_verstring = "0.0"; /* Version String */
static char *g_srcdefconfig = NULL; /* Source defconfig file */
static char *g_srcmakedefs = NULL; /* Source Make.defs file */
static char **g_makeargv = NULL; /* Arguments pass to make */
static bool g_winnative = false; /* True: Windows native configuration */
static bool g_oldnative = false; /* True: Was Windows native configuration */
static bool g_needapppath = true; /* Need to add app path to the .config file */
static uint8_t g_host = HOST_NOCHANGE;
static uint8_t g_windows = WINDOWS_CYGWIN;
static char g_buffer[BUFFER_SIZE]; /* Scratch buffer for forming full paths */
static struct variable_s *g_configvars = NULL;
static struct variable_s *g_versionvars = NULL;
/* Optional configuration files */
static const char *g_optfiles[] =
{
".gdbinit",
".cproject",
".project"
};
#define N_OPTFILES (sizeof(g_optfiles) / sizeof(const char *))
/****************************************************************************
* Private Functions
****************************************************************************/
static void show_usage(const char *progname, int exitcode)
{
fprintf(stderr, "\nUSAGE: %s [-d] [-E] [-e] [-b|f] [-l|m|c|u|g|n] "
"[-a <app-dir>] <board-name>:<config-name> [make-opts]\n",
progname);
fprintf(stderr, "\nUSAGE: %s [-h]\n", progname);
fprintf(stderr, "\nWhere:\n");
fprintf(stderr, " -d:\n");
fprintf(stderr, " Enables debug output\n");
fprintf(stderr, " -E:\n");
fprintf(stderr, " Enforce distclean if already configured\n");
fprintf(stderr, " -e:\n");
fprintf(stderr, " Performs distclean if configuration changed\n");
fprintf(stderr, " -b:\n");
#ifdef CONFIG_WINDOWS_NATIVE
fprintf(stderr, " Informs the tool that it should use Windows style\n");
fprintf(stderr, " paths like C:\\Program Files instead of POSIX\n");
fprintf(stderr, " style paths are used like /usr/local/bin. Windows\n");
fprintf(stderr, " style paths are used by default.\n");
#else
fprintf(stderr, " Informs the tool that it should use Windows style\n");
fprintf(stderr, " paths like C:\\Program Files. By default, POSIX\n");
fprintf(stderr, " style paths like /usr/local/bin are used.\n");
#endif
fprintf(stderr, " -f:\n");
#ifdef CONFIG_WINDOWS_NATIVE
fprintf(stderr, " Informs the tool that it should use POSIX style\n");
fprintf(stderr, " paths like /usr/local/bin. By default, Windows\n");
fprintf(stderr, " style paths like C:\\Program Files are used.\n");
#else
fprintf(stderr, " Informs the tool that it should use POSIX style\n");
fprintf(stderr, " paths like /usr/local/bin instead of Windows\n");
fprintf(stderr, " style paths like C:\\Program Files are used.\n");
fprintf(stderr, " POSIX style paths are used by default.\n");
#endif
fprintf(stderr, " [-l|m|c|u|g|n]\n");
fprintf(stderr, " Selects the host environment.\n");
fprintf(stderr, " -l Selects the Linux (l) host environment.\n");
fprintf(stderr, " -m Selects the macOS (m) host environment.\n");
fprintf(stderr, " -c Selects the Windows Cygwin (c) environment.\n");
fprintf(stderr, " -u Selects the Windows Ubuntu (u) environment.\n");
fprintf(stderr, " -g Selects the Windows MinGW/MSYS environment.\n");
fprintf(stderr, " -n Selects the Windows native (n) environment.\n");
fprintf(stderr, " Default: Use host setup in the defconfig file.\n");
fprintf(stderr, " Default Windows: Cygwin.\n");
fprintf(stderr, " -a <app-dir>:\n");
fprintf(stderr, " Informs the configuration tool where the\n");
fprintf(stderr, " application build directory. This is a relative\n");
fprintf(stderr, " path from the top-level NuttX build directory.\n");
fprintf(stderr, " But default, this tool will look in the usual\n");
fprintf(stderr, " places to locate the application directory:\n");
fprintf(stderr, " ..%capps or\n", g_delim);
fprintf(stderr, " ..%capps-xx.yy where xx.yy is the version number.\n",
g_delim);
fprintf(stderr, " <board-name>:\n");
fprintf(stderr, " Identifies the board. This must correspond to a\n");
fprintf(stderr, " board directory under nuttx%cboards%c.\n",
g_delim, g_delim);
fprintf(stderr, " <config-name>:\n");
fprintf(stderr, " Identifies the specific configuration for the\n");
fprintf(stderr, " selected <board-name>. This must correspond to\n");
fprintf(stderr, " a sub-directory under the board directory at\n");
fprintf(stderr, " under nuttx%cboards%c<board-name>%cconfigs%c.\n",
g_delim, g_delim, g_delim, g_delim);
fprintf(stderr, " [make-opts]:\n");
fprintf(stderr, " Options directly pass to make\n");
fprintf(stderr, " -h:\n");
fprintf(stderr, " Prints this message and exits.\n");
exit(exitcode);
}
static void debug(const char *fmt, ...)
{
va_list ap;
if (g_debug)
{
va_start(ap, fmt);
vprintf(fmt, ap);
va_end(ap);
}
}
static void parse_args(int argc, char **argv)
{
char *ptr;
int ch;
/* Parse command line options */
while ((ch = getopt(argc, argv, "a:bcdEefghlmnu")) > 0)
{
switch (ch)
{
case 'a' :
g_appdir = optarg;
break;
case 'b' :
g_delim = '\\';
g_winpaths = false;
break;
case 'c' :
g_host = HOST_WINDOWS;
g_windows = WINDOWS_CYGWIN;
break;
case 'd' :
g_debug = true;
break;
case 'E' :
g_enforce = true;
break;
case 'e' :
g_distclean = true;
break;
case 'f' :
g_delim = '/';
g_winpaths = true;
break;
case 'g' :
g_host = HOST_WINDOWS;
g_windows = WINDOWS_MSYS;
break;
case 'h' :
show_usage(argv[0], EXIT_SUCCESS);
case 'l' :
g_host = HOST_LINUX;
break;
case 'm' :
g_host = HOST_MACOS;
break;
case 'n' :
g_host = HOST_WINDOWS;
g_windows = WINDOWS_NATIVE;
break;
case 'u' :
g_host = HOST_WINDOWS;
g_windows = WINDOWS_UBUNTU;
break;
case '?' :
fprintf(stderr, "ERROR: Unrecognized option: %c\n", optopt);
show_usage(argv[0], EXIT_FAILURE);
case ':' :
fprintf(stderr, "ERROR: Missing option argument, option: %c\n",
optopt);
show_usage(argv[0], EXIT_FAILURE);
default:
fprintf(stderr, "ERROR: Unexpected option: %c\n", ch);
show_usage(argv[0], EXIT_FAILURE);
}
}
/* There should be exactly one argument following the options */
if (optind >= argc)
{
fprintf(stderr, "ERROR: Missing <board-name>:<config-name>\n");
show_usage(argv[0], EXIT_FAILURE);
}
/* The required option should be the board directory name and the
* configuration directory name separated by ':', '/' or '\'. Any are
* acceptable in this context.
*/
g_boarddir = argv[optind];
optind++;
ptr = strchr(g_boarddir, ':');
if (ptr == NULL)
{
ptr = strchr(g_boarddir, '/');
if (!ptr)
{
ptr = strchr(g_boarddir, '\\');
}
}
if (ptr == NULL)
{
fprintf(stderr, "ERROR: Invalid <board-name>:<config-name>\n");
show_usage(argv[0], EXIT_FAILURE);
}
*ptr++ = '\0';
g_configdir = ptr;
/* The left arguments will pass to make */
g_makeargv = &argv[optind];
}
static int run_make(const char *arg)
{
char **argv;
snprintf(g_buffer, BUFFER_SIZE, "make %s", arg);
for (argv = g_makeargv; *argv; argv++)
{
strncat(g_buffer, " ", BUFFER_SIZE - 1);
strncat(g_buffer, *argv, BUFFER_SIZE - 1);
}
return system(g_buffer);
}
static bool filecmp(const char *f1, const char *f2)
{
FILE *stream1;
FILE *stream2;
char ch1;
char ch2;
stream1 = fopen(f1, "r");
stream2 = fopen(f2, "r");
if (stream1 == NULL || stream2 == NULL)
{
return false;
}
do
{
ch1 = fgetc(stream1);
ch2 = fgetc(stream2);
if (ch1 != ch2)
{
return false;
}
}
while (ch1 != EOF && ch2 != EOF);
fclose(stream1);
fclose(stream2);
return true;
}
static bool check_directory(const char *directory)
{
struct stat buf;
if (stat(directory, &buf) < 0)
{
debug("stat of %s failed: %s\n", directory, strerror(errno));
return false;
}
if (!S_ISDIR(buf.st_mode))
{
debug("%s exists but is not a directory\n", directory);
return false;
}
return true;
}
static void verify_directory(const char *directory)
{
struct stat buf;
if (stat(directory, &buf) < 0)
{
fprintf(stderr, "ERROR: stat of %s failed: %s\n",
directory, strerror(errno));
exit(EXIT_FAILURE);
}
if (!S_ISDIR(buf.st_mode))
{
fprintf(stderr, "ERROR: %s exists but is not a directory\n",
directory);
exit(EXIT_FAILURE);
}
}
static bool verify_optiondir(const char *directory)
{
struct stat buf;
if (stat(directory, &buf) < 0)
{
/* It may be okay if the directory does not exist */
/* It may be okay if the file does not exist */
int errcode = errno;
if (errcode == ENOENT)
{
debug("verify_optiondir: stat of %s failed: %s\n",
directory, strerror(errno));
return false;
}
else
{
fprintf(stderr, "ERROR: stat of %s failed: %s\n",
directory, strerror(errno));
exit(EXIT_FAILURE);
}
}
if (!S_ISDIR(buf.st_mode))
{
fprintf(stderr, "ERROR: %s exists but is not a directory\n",
directory);
exit(EXIT_FAILURE);
}
return true;
}
static bool verify_file(const char *path)
{
struct stat buf;
if (stat(path, &buf) < 0)
{
/* It may be okay if the file does not exist */
int errcode = errno;
if (errcode == ENOENT)
{
debug("verify_file: stat of %s failed: %s\n",
path, strerror(errno));
return false;
}
else
{
fprintf(stderr, "ERROR: stat of %s failed: %s\n",
path, strerror(errno));
exit(EXIT_FAILURE);
}
}
if (!S_ISREG(buf.st_mode))
{
fprintf(stderr, "ERROR: %s exists but is not a regular file\n", path);
exit(EXIT_FAILURE);
}
return true;
}
static void find_topdir(void)
{
char *currdir;
/* Get and verify the top-level NuttX directory */
/* First get the current directory. We expect this to be either
* the nuttx root directory or the tools subdirectory.
*/
if (getcwd(g_buffer, BUFFER_SIZE) == NULL)
{
fprintf(stderr, "ERROR: getcwd failed: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
/* Assume that we are in the tools sub-directory and the directory above
* is the nuttx root directory.
*/
currdir = strdup(g_buffer);
g_topdir = strdup(dirname(g_buffer));
debug("get_topdir: Checking parent directory: %s\n", g_topdir);
verify_directory(g_topdir);
/* Check if the current directory is the nuttx root directory.
* If so, then the tools directory should be a sub-directory.
*/
snprintf(g_buffer, BUFFER_SIZE, "%s%ctools", currdir, g_delim);
debug("get_topdir: Checking topdir/tools=%s\n", g_buffer);
if (check_directory(g_buffer))
{
/* There is a tools sub-directory under the current directory.
* We must have already been in the nuttx root directory. We
* will find out for sure in later tests.
*/
free(g_topdir);
g_topdir = currdir;
}
else
{
/* Yes, we are probably in the tools/ sub-directory */
free(currdir);
if (chdir(g_topdir) < 0)
{
fprintf(stderr, "ERROR: Failed to ch to %s\n", g_topdir);
exit(EXIT_FAILURE);
}
}
}
static void config_search(const char *boarddir,
config_callback callback, void *data)
{
DIR *dir;
struct dirent *dp;
struct stat buf;
char *parent;
char *child;
/* Skip over any leading '/' or '\\'. This happens on the first second
* call because the starting boarddir is ""
*/
if (boarddir[0] == g_delim)
{
boarddir++;
}
/* Get the full directory path and open it */
snprintf(g_buffer, BUFFER_SIZE, "%s%c%s", g_configtop, g_delim, boarddir);
dir = opendir(g_buffer);
if (!dir)
{
fprintf(stderr, "ERROR: Could not open %s: %s\n",
g_buffer, strerror(errno));
return;
}
/* Make a copy of the path to the directory */
parent = strdup(g_buffer);
/* Visit each entry in the directory */
while ((dp = readdir(dir)) != NULL)
{
/* Ignore directory entries that start with '.' */
if (dp->d_name[0] == '.')
{
continue;
}
/* Get a properly terminated copy of d_name (if d_name is long it may
* not include a NUL terminator.
*/
child = strndup(dp->d_name, NAME_MAX);
/* Get the full path to d_name and stat the file/directory */
snprintf(g_buffer, BUFFER_SIZE, "%s%c%s", parent, g_delim, child);
if (stat(g_buffer, &buf) < 0)
{
fprintf(stderr, "ERROR: stat of %s failed: %s\n",
g_buffer, strerror(errno));
free(child);
continue;
}
/* If it is a directory, then recurse */
if (S_ISDIR(buf.st_mode))
{
char *tmppath;
snprintf(g_buffer, BUFFER_SIZE, "%s%c%s",
boarddir, g_delim, child);
tmppath = strdup(g_buffer);
config_search(tmppath, callback, data);
free(tmppath);
}
/* If it is a regular file named 'defconfig' then we have found a
* configuration directory. We could terminate the search in this case
* because we do not expect sub-directories within configuration
* directories.
*/
else if (S_ISREG(buf.st_mode) && strcmp("defconfig", child) == 0)
{
char *archname;
char *chipname;
char *boardname;
char *configname;
char *delim;
/* Get the board directory near the beginning of the 'boarddir':
* <archdir>/<chipdir>/<boarddir>/configs/<configdir>
*/
/* Make a modifiable copy */
strncpy(g_buffer, boarddir, BUFFER_SIZE - 1);
/* Save the <archdir> */
archname = g_buffer;
delim = strchr(g_buffer, g_delim);
if (delim == NULL)
{
debug("ERROR: delimiter not found in path: %s\n", boarddir);
}
else
{
/* Save the <chipdir> */
*delim = '\0';
chipname = delim + 1;
delim = strchr(chipname, g_delim);
if (delim == NULL)
{
debug("ERROR: delimiter not found in path: %s\n",
chipname);
}
else
{
/* Save the <boardir> */
*delim = '\0';
boardname = delim + 1;
delim = strchr(boardname, g_delim);
if (delim == NULL)
{
debug("ERROR: delimiter not found in path: %s\n",
boardname);
}
else
{
/* Save the <configdir> */
*delim = '\0';
delim = strrchr(delim + 1, g_delim);
if (delim == NULL)
{
debug("ERROR: directory not found in path: %s\n",
boardname);
}
else
{
configname = delim + 1;
callback(boarddir, archname, chipname,
boardname, configname, data);
}
}
}
}
}
free(child);
}
free(parent);
closedir(dir);
}
static void archname_callback(const char *boarddir, const char *archname,
const char *chipname, const char *boardname,
const char *configname, void *data)
{
if (strcmp(g_boarddir, boardname) == 0 &&
strcmp(g_configdir, configname) == 0)
{
g_archdir = strdup(archname);
g_chipdir = strdup(chipname);
}
}
static void find_archname(void)
{
config_search("", archname_callback, NULL);
if (g_archdir == NULL || g_chipdir == NULL)
{
g_archdir = "unknown";
g_chipdir = "unknown";
}
}
static void enumerate_callback(const char *boarddir, const char *archname,
const char *chipname, const char *boardname,
const char *configname, void *data)
{
fprintf(stderr, " %s:%s\n", boardname, configname);
}
static void enumerate_configs(void)
{
fprintf(stderr, "Options for <board-name>:<config-name> include:\n\n");
config_search("", enumerate_callback, NULL);
}
static void check_configdir(void)
{
/* Get the path to the top level configuration directory: boards/ */
snprintf(g_buffer, BUFFER_SIZE, "%s%cboards", g_topdir, g_delim);
debug("check_configdir: Checking configtop=%s\n", g_buffer);
verify_directory(g_buffer);
g_configtop = strdup(g_buffer);
/* Get and verify the path to the selected configuration:
* boards/<archdir>/<chipdir>/<boarddir>/configs/<configdir>
*/
find_archname();
snprintf(g_buffer, BUFFER_SIZE, "%s%cboards%c%s%c%s%c%s%cconfigs%c%s",
g_topdir, g_delim, g_delim, g_archdir, g_delim, g_chipdir,
g_delim, g_boarddir, g_delim, g_delim, g_configdir);
debug("check_configdir: Checking configpath=%s\n", g_buffer);
if (!verify_optiondir(g_buffer))
{
fprintf(stderr, "ERROR: No configuration at %s\n", g_buffer);
enumerate_configs();
exit(EXIT_FAILURE);
}
g_configpath = strdup(g_buffer);
/* Get and verify the path to the scripts directory:
* boards/<archdir>/<chipdir>/<boarddir>/scripts
*/
snprintf(g_buffer, BUFFER_SIZE, "%s%cboards%c%s%c%s%c%s%cscripts",
g_topdir, g_delim, g_delim, g_archdir, g_delim,
g_chipdir, g_delim, g_boarddir, g_delim);
debug("check_configdir: Checking scriptspath=%s\n", g_buffer);
g_scriptspath = NULL;
if (verify_optiondir(g_buffer))
{
g_scriptspath = strdup(g_buffer);
}
}
static void check_configured(void)
{
/* If we are already configured then there will be a .config and
* a Make.defs file in the top-level directory.
*/
snprintf(g_buffer, BUFFER_SIZE, "%s%c.config", g_topdir, g_delim);
debug("check_configured: Checking %s\n", g_buffer);
if (!verify_file(g_buffer))
{
return;
}
if (g_enforce)
{
run_make("distclean");
}
else
{
char *defcfgpath = NULL;
snprintf(g_buffer, BUFFER_SIZE, "%s%cdefconfig",
g_configpath, g_delim);
defcfgpath = strdup(g_buffer);
snprintf(g_buffer, BUFFER_SIZE, "%s%cdefconfig",
g_topdir, g_delim);
if (filecmp(g_buffer, defcfgpath))
{
fprintf(stderr, "No configuration change.\n");
free(defcfgpath);
exit(EXIT_SUCCESS);
}
else
{
free(defcfgpath);
if (g_distclean)
{
run_make("distclean");
}
else
{
fprintf(stderr, "Already configured!\n");
fprintf(stderr, "Please 'make distclean' and try again.\n");
exit(EXIT_FAILURE);
}
}
}
}
static void read_configfile(void)
{
FILE *stream;
snprintf(g_buffer, BUFFER_SIZE, "%s%cdefconfig", g_configpath, g_delim);
stream = fopen(g_buffer, "r");
if (!stream)
{
fprintf(stderr, "ERROR: failed to open %s for reading: %s\n",
g_buffer, strerror(errno));
exit(EXIT_FAILURE);
}
parse_file(stream, &g_configvars);
fclose(stream);
}
static void read_versionfile(void)
{
FILE *stream;
snprintf(g_buffer, BUFFER_SIZE, "%s%c.version", g_topdir, g_delim);
stream = fopen(g_buffer, "r");
if (!stream)
{
/* It may not be an error if there is no .version file */
debug("Failed to open %s for reading: %s\n",
g_buffer, strerror(errno));
}
else
{
parse_file(stream, &g_versionvars);
fclose(stream);
}
}
static void get_verstring(void)
{
struct variable_s *var;
if (g_versionvars)
{
var = find_variable("CONFIG_VERSION_STRING", g_versionvars);
if (var && var->val)
{
g_verstring = strdup(var->val);
}
}
debug("get_verstring: Version string=%s\n", g_verstring);
}
static bool verify_appdir(const char *appdir)
{
/* Does this directory exist? */
snprintf(g_buffer, BUFFER_SIZE, "%s%c%s", g_topdir, g_delim, appdir);
debug("verify_appdir: Checking apppath=%s\n", g_buffer);
if (verify_optiondir(g_buffer))
{
/* Yes.. Use this application directory path */
g_appdir = strdup(appdir);
g_apppath = strdup(g_buffer);
return true;
}
debug("verify_appdir: apppath=%s does not exist\n", g_buffer);
return false;
}
static void check_appdir(void)
{
char tmp[16];
/* Get and verify the full path to the application directory */
/* Was the appdir provided on the command line? */
debug("check_appdir: Command line appdir=%s\n",
g_appdir ? g_appdir : "<null>");
if (!g_appdir)
{
/* If no application directory was provided on the command line and we
* are switching between a windows native host and some other host then
* ignore any path to the apps/ directory in the defconfig file. It
* will most certainly not be in a usable form.
*/
if (g_winnative == g_oldnative)
{
/* No, was the path provided in the configuration? */
struct variable_s *var =
find_variable("CONFIG_APPS_DIR", g_configvars);
if (var != NULL)
{
debug("check_appdir: Config file appdir=%s\n",
var->val ? var->val : "<null>");
/* Yes.. does this directory exist? */
if (var->val && verify_appdir(var->val))
{
/* We are using the CONFIG_APPS_DIR setting already in the
* defconfig file.
*/
g_needapppath = false;
return;
}
}
}
/* Now try some canned locations */
/* Try ../apps-xx.yy where xx.yy is the version string */
snprintf(tmp, 16, "..%capps-%s", g_delim, g_verstring);
debug("check_appdir: Try appdir=%s\n", tmp);
if (verify_appdir(tmp))
{
return;
}
/* Try ../apps with no version */
snprintf(tmp, 16, "..%capps", g_delim);
debug("check_appdir: Try appdir=%s\n", tmp);
if (verify_appdir(tmp))
{
return;
}
/* Try ../apps-xx.yy where xx.yy are the NuttX version number */
fprintf(stderr, "ERROR: Could not find the path to the appdir\n");
exit(EXIT_FAILURE);
}
else if (!verify_appdir(g_appdir))
{
fprintf(stderr, "ERROR: Command line path to appdir does not exist\n");
exit(EXIT_FAILURE);
}
}
static void check_configuration(void)
{
struct variable_s *var;
/* Check if this is a Windows native configuration */
var = find_variable("CONFIG_WINDOWS_NATIVE", g_configvars);
if (var && var->val && strcmp("y", var->val) == 0)
{
debug("check_configuration: Windows native configuration\n");
g_oldnative = true;
}
/* If we are going to some host other than windows native or to a windows
* native host, then don't ignore what is in the defconfig file.
*/
if (g_host == HOST_NOCHANGE)
{
/* Use whatever we found in the configuration file */
g_winnative = g_oldnative;
}
else if (g_host == HOST_WINDOWS && g_windows == WINDOWS_NATIVE)
{
/* The new configuration is windows native */
g_winnative = true;
}
/* All configurations must provide a defconfig and Make.defs file */
snprintf(g_buffer, BUFFER_SIZE, "%s%cdefconfig", g_configpath, g_delim);
debug("check_configuration: Checking %s\n", g_buffer);
if (!verify_file(g_buffer))
{
fprintf(stderr, "ERROR: No configuration in %s\n", g_configpath);
fprintf(stderr, " No defconfig file found.\n");
enumerate_configs();
exit(EXIT_FAILURE);
}
g_srcdefconfig = strdup(g_buffer);
/* Try the Make.defs file */
snprintf(g_buffer, BUFFER_SIZE, "%s%cMake.defs", g_configpath, g_delim);
debug("check_configuration: Checking %s\n", g_buffer);
if (!verify_file(g_buffer))
{
/* An alternative location is the scripts/ directory */
if (g_scriptspath != NULL)
{
snprintf(g_buffer, BUFFER_SIZE, "%s%cMake.defs",
g_scriptspath, g_delim);
debug("check_configuration: Checking %s\n", g_buffer);
if (!verify_file(g_buffer))
{
fprintf(stderr, "ERROR: No Make.defs file in %s\n",
g_configpath);
fprintf(stderr, " No Make.defs file in %s\n",
g_scriptspath);
enumerate_configs();
exit(EXIT_FAILURE);
}
}
else
{
fprintf(stderr, "ERROR: No Make.defs file in %s\n", g_configpath);
enumerate_configs();
exit(EXIT_FAILURE);
}
}
g_srcmakedefs = strdup(g_buffer);
}
static void copy_file(const char *srcpath,
const char *destpath, mode_t mode)
{
int nbytesread;
int nbyteswritten;
int rdfd;
int wrfd;
/* Open the source file for reading */
rdfd = open(srcpath, O_RDONLY);
if (rdfd < 0)
{
fprintf(stderr, "ERROR: Failed to open %s for reading: %s\n",
srcpath, strerror(errno));
exit(EXIT_FAILURE);
}
/* Now open the destination for writing */
wrfd = open(destpath, O_WRONLY | O_CREAT | O_TRUNC, mode);
if (wrfd < 0)
{
fprintf(stderr, "ERROR: Failed to open %s for writing: %s\n",
destpath, strerror(errno));
exit(EXIT_FAILURE);
}
/* Now copy the file */
for (; ; )
{
do
{
nbytesread = read(rdfd, g_buffer, BUFFER_SIZE);
if (nbytesread == 0)
{
/* End of file */
close(rdfd);
close(wrfd);
return;
}
else if (nbytesread < 0)
{
/* EINTR is not an error (but will still stop the copy) */
fprintf(stderr, "ERROR: Read failure: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
}
while (nbytesread <= 0);
do
{
nbyteswritten = write(wrfd, g_buffer, nbytesread);
if (nbyteswritten >= 0)
{
nbytesread -= nbyteswritten;
}
else
{
/* EINTR is not an error (but will still stop the copy) */
fprintf(stderr, "ERROR: Write failure: %s\n", strerror(errno));
exit(EXIT_FAILURE);
}
}
while (nbytesread > 0);
}
}
static void substitute(char *str, int ch1, int ch2)
{
for (; *str; str++)
{
if (*str == ch1)
{
*str = ch2;
}
}
}
static char *double_appdir_backslashes(char *old_appdir)
{
char *new_appdir = NULL;
char *p_old = NULL;
char *p_new = NULL;
int oldlen = 0;
int occurrences = 0;
int alloclen = 0;
p_old = old_appdir;
while ((p_old = strchr(p_old, '\\')) != NULL)
{
occurrences++;
p_old++;
}
if (occurrences != 0)
{
oldlen = strlen(old_appdir);
alloclen = oldlen + occurrences + sizeof((char) '\0');
new_appdir = malloc(alloclen);
if (new_appdir != NULL)
{
p_old = old_appdir;
p_new = new_appdir;
while (oldlen)
{
if (*p_old != '\\')
{
*p_new++ = *p_old;
}
else
{
*p_new++ = '\\';
*p_new++ = '\\';
}
++p_old;
--oldlen;
}
*p_new = '\0';
}
}
else
{
new_appdir = strdup(old_appdir);
}
return new_appdir;
}
static void copy_optional(void)
{
int i;
for (i = 0; i < N_OPTFILES; i++)
{
snprintf(g_buffer, BUFFER_SIZE, "%s%c%s",
g_configpath, g_delim, g_optfiles[i]);
if (verify_file(g_buffer))
{
char *optsrc = strdup(g_buffer);
snprintf(g_buffer, BUFFER_SIZE, "%s%c%s",
g_topdir, g_delim, g_optfiles[i]);
debug("copy_optional: Copying from %s to %s\n", optsrc, g_buffer);
copy_file(optsrc, g_buffer, 0644);
free(optsrc);
}
}
}
static void enable_feature(const char *destconfig, const char *varname)
{
int ret;
snprintf(g_buffer, BUFFER_SIZE,
"kconfig-tweak --file %s --enable %s",
destconfig, varname);
ret = system(g_buffer);
#ifdef WEXITSTATUS
if (ret < 0 || WEXITSTATUS(ret) != 0)
#else
if (ret < 0)
#endif
{
fprintf(stderr, "ERROR: Failed to enable %s\n", varname);
fprintf(stderr, " command: %s\n", g_buffer);
exit(EXIT_FAILURE);
}
}
static void disable_feature(const char *destconfig, const char *varname)
{
int ret;
snprintf(g_buffer, BUFFER_SIZE,
"kconfig-tweak --file %s --disable %s",
destconfig, varname);
ret = system(g_buffer);
#ifdef WEXITSTATUS
if (ret < 0 || WEXITSTATUS(ret) != 0)
#else
if (ret < 0)
#endif
{
fprintf(stderr, "ERROR: Failed to disable %s\n", varname);
fprintf(stderr, " command: %s\n", g_buffer);
exit(EXIT_FAILURE);
}
}
/* Select the host build development environment */
static void set_host(const char *destconfig)
{
switch (g_host)
{
case HOST_LINUX:
{
printf(" Select the Linux host\n");
enable_feature(destconfig, "CONFIG_HOST_LINUX");
disable_feature(destconfig, "CONFIG_HOST_WINDOWS");
disable_feature(destconfig, "CONFIG_HOST_MACOS");
disable_feature(destconfig, "CONFIG_WINDOWS_NATIVE");
disable_feature(destconfig, "CONFIG_WINDOWS_CYGWIN");
disable_feature(destconfig, "CONFIG_WINDOWS_UBUNTU");
disable_feature(destconfig, "CONFIG_WINDOWS_MSYS");
disable_feature(destconfig, "CONFIG_WINDOWS_OTHER");
enable_feature(destconfig, "CONFIG_SIM_X8664_SYSTEMV");
disable_feature(destconfig, "CONFIG_SIM_X8664_MICROSOFT");
}
break;
case HOST_MACOS:
{
printf(" Select the macOS host\n");
disable_feature(destconfig, "CONFIG_HOST_LINUX");
disable_feature(destconfig, "CONFIG_HOST_WINDOWS");
enable_feature(destconfig, "CONFIG_HOST_MACOS");
disable_feature(destconfig, "CONFIG_WINDOWS_NATIVE");
disable_feature(destconfig, "CONFIG_WINDOWS_CYGWIN");
disable_feature(destconfig, "CONFIG_WINDOWS_UBUNTU");
disable_feature(destconfig, "CONFIG_WINDOWS_MSYS");
disable_feature(destconfig, "CONFIG_WINDOWS_OTHER");
enable_feature(destconfig, "CONFIG_SIM_X8664_SYSTEMV");
disable_feature(destconfig, "CONFIG_SIM_X8664_MICROSOFT");
}
break;
case HOST_WINDOWS:
{
enable_feature(destconfig, "CONFIG_HOST_WINDOWS");
disable_feature(destconfig, "CONFIG_HOST_LINUX");
disable_feature(destconfig, "CONFIG_HOST_MACOS");
disable_feature(destconfig, "CONFIG_WINDOWS_OTHER");
enable_feature(destconfig, "CONFIG_SIM_X8664_MICROSOFT");
disable_feature(destconfig, "CONFIG_SIM_X8664_SYSTEMV");
switch (g_windows)
{
case WINDOWS_CYGWIN:
printf(" Select Windows/Cygwin host\n");
enable_feature(destconfig, "CONFIG_WINDOWS_CYGWIN");
disable_feature(destconfig, "CONFIG_WINDOWS_MSYS");
disable_feature(destconfig, "CONFIG_WINDOWS_UBUNTU");
disable_feature(destconfig, "CONFIG_WINDOWS_NATIVE");
break;
case WINDOWS_MSYS:
printf(" Select Windows/MSYS host\n");
disable_feature(destconfig, "CONFIG_WINDOWS_CYGWIN");
enable_feature(destconfig, "CONFIG_WINDOWS_MSYS");
disable_feature(destconfig, "CONFIG_WINDOWS_UBUNTU");
disable_feature(destconfig, "CONFIG_WINDOWS_NATIVE");
break;
case WINDOWS_UBUNTU:
printf(" Select Ubuntu for Windows 10 host\n");
disable_feature(destconfig, "CONFIG_WINDOWS_CYGWIN");
disable_feature(destconfig, "CONFIG_WINDOWS_MSYS");
enable_feature(destconfig, "CONFIG_WINDOWS_UBUNTU");
disable_feature(destconfig, "CONFIG_WINDOWS_NATIVE");
break;
case WINDOWS_NATIVE:
printf(" Select Windows native host\n");
disable_feature(destconfig, "CONFIG_WINDOWS_CYGWIN");
disable_feature(destconfig, "CONFIG_WINDOWS_MSYS");
disable_feature(destconfig, "CONFIG_WINDOWS_UBUNTU");
enable_feature(destconfig, "CONFIG_WINDOWS_NATIVE");
break;
default:
fprintf(stderr,
"ERROR: Unrecognized windows configuration: %d\n",
g_windows);
exit(EXIT_FAILURE);
}
}
break;
case HOST_NOCHANGE:
break;
default:
{
fprintf(stderr, "ERROR: Unrecognized host configuration: %d\n",
g_host);
exit(EXIT_FAILURE);
}
}
}
static void configure(void)
{
char *destconfig;
/* Copy the defconfig to toplevel */
snprintf(g_buffer, BUFFER_SIZE, "%s%cdefconfig", g_topdir, g_delim);
copy_file(g_srcdefconfig, g_buffer, 0644);
/* Copy the defconfig file as .config */
snprintf(g_buffer, BUFFER_SIZE, "%s%c.config", g_topdir, g_delim);
destconfig = strdup(g_buffer);
debug("configure: Copying from %s to %s\n", g_srcdefconfig, destconfig);
copy_file(g_srcdefconfig, destconfig, 0644);
/* Copy the Make.defs file as Make.defs */
snprintf(g_buffer, BUFFER_SIZE, "%s%cMake.defs", g_topdir, g_delim);
debug("configure: Copying from %s to %s\n", g_srcmakedefs, g_buffer);
copy_file(g_srcmakedefs, g_buffer, 0644);
/* Copy optional files */
copy_optional();
/* Select the host build development environment */
set_host(destconfig);
/* If we did not use the CONFIG_APPS_DIR that was in the defconfig config
* file, then append the correct application information to the tail of the
* .config file
*/
if (g_needapppath)
{
FILE *stream;
char *appdir = strdup(g_appdir);
/* One complexity is if we are using Windows paths, but the
* configuration needs POSIX paths (or vice versa).
*/
if (g_winpaths != g_winnative)
{
/* Not the same */
if (g_winpaths)
{
/* Using Windows paths, but the configuration wants POSIX
* paths.
*/
substitute(appdir, '\\', '/');
}
else
{
/* Using POSIX paths, but the configuration wants Windows
* paths.
*/
substitute(appdir, '/', '\\');
}
}
/* Looks like prebuilt winnative kconfig-conf interprets "..\apps" as
* "..apps" (possibly '\a' as escape-sequence) so expand winnative path
* to double-backslashed variant "..\\apps".
*/
if (g_winnative)
{
char *tmp_appdir = double_appdir_backslashes(appdir);
if (NULL == tmp_appdir)
{
fprintf(stderr,
"ERROR: Failed to double appdir backslashes\n");
exit(EXIT_FAILURE);
}
free(appdir);
appdir = tmp_appdir;
}
/* Open the file for appending */
stream = fopen(destconfig, "a");
if (!stream)
{
fprintf(stderr,
"ERROR: Failed to open %s for append mode mode: %s\n",
destconfig, strerror(errno));
exit(EXIT_FAILURE);
}
fprintf(stream, "\n# Application configuration\n\n");
fprintf(stream, "CONFIG_APPS_DIR=\"%s\"\n", appdir);
fclose(stream);
free(appdir);
}
free(destconfig);
}
static void refresh(void)
{
int ret;
printf(" Refreshing...\n");
fflush(stdout);
ret = run_make("olddefconfig");
putchar('\n');
#ifdef WEXITSTATUS
if (ret < 0 || WEXITSTATUS(ret) != 0)
#else
if (ret < 0)
#endif
{
fprintf(stderr, "ERROR: Failed to refresh configurations\n");
fprintf(stderr, " kconfig-conf --olddefconfig Kconfig\n");
}
}
/****************************************************************************
* Public Functions
****************************************************************************/
int main(int argc, char **argv, char **envp)
{
debug("main: Checking arguments\n");
parse_args(argc, argv);
debug("main: Checking Nuttx Directories\n");
find_topdir();
check_configdir();
check_configured();
debug("main: Reading the configuration/version files\n");
read_configfile();
read_versionfile();
get_verstring();
debug("main: Checking Configuration Directory\n");
check_configuration();
debug("main: Checking Application Directories\n");
check_appdir();
debug("main: Using apppath=%s\n", g_apppath ? g_apppath : "<null>");
debug("main: Configuring\n");
configure();
debug("main: Refresh configuration\n");
refresh();
return EXIT_SUCCESS;
}
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