diff options
Diffstat (limited to 'nuttx/tools/configure.c')
| -rw-r--r-- | nuttx/tools/configure.c | 890 |
1 files changed, 890 insertions, 0 deletions
diff --git a/nuttx/tools/configure.c b/nuttx/tools/configure.c new file mode 100644 index 000000000..9e82c3657 --- /dev/null +++ b/nuttx/tools/configure.c @@ -0,0 +1,890 @@ +/**************************************************************************** + * tools/configure.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 <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 + +/**************************************************************************** + * 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 const char *g_appdir = NULL; /* Relative path to the applicatin directory */ +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 applicatino 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_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_srcappconfig = NULL ; /* Source appconfig file (optional) */ +static char *g_srcsetenvsh = NULL; /* Source setenv.sh file (optional) */ +static char *g_srcsetenvbat = NULL; /* Source setenv.bat file (optional) */ + +static bool g_newconfig = false; /* True: New style configuration */ +static bool g_winnative = false; /* True: Windows native configuration */ +static bool g_needapppath = true; /* Need to add app path to the .config file */ + +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; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +static void show_usage(const char *progname, int exitcode) +{ + fprintf(stderr, "\nUSAGE: %s [-d] [-w] [-l] [-h] [-a <app-dir>] <board-name>[%c<config-name>]\n", progname, g_delim); + fprintf(stderr, "\nWhere:\n"); + fprintf(stderr, " <board-name>:\n"); + fprintf(stderr, " Identifies the board. This must correspond to a board directory\n"); + fprintf(stderr, " under nuttx%cconfigs%c.\n", g_delim, g_delim); + fprintf(stderr, " <config-name>:\n"); + fprintf(stderr, " Identifies the specific configuration for the selected <board-name>.\n"); + fprintf(stderr, " This must correspond to a sub-directory under the board directory at\n"); + fprintf(stderr, " under nuttx%cconfigs%c<board-name>%c.\n", g_delim, g_delim, g_delim); + fprintf(stderr, " <-d>:\n"); + fprintf(stderr, " Enables debug output\n"); + fprintf(stderr, " <-w>:\n"); +#ifdef CONFIG_WINDOWS_NATIVE + fprintf(stderr, " Informs the tool that it should use Windows style paths like C:\\Program Files\n"); + fprintf(stderr, " instead of POSIX 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 paths like C:\\Program Files.\n"); + fprintf(stderr, " By default, POSIX style paths like /usr/local/bin are used.\n"); +#endif + fprintf(stderr, " <-l>:\n"); +#ifdef CONFIG_WINDOWS_NATIVE + fprintf(stderr, " Informs the tool that it should use POSIX style paths like /usr/local/bin.\n"); + fprintf(stderr, " By default, Windows style paths like C:\\Program Files are used.\n"); +#else + fprintf(stderr, " Informs the tool that it should use POSIX style paths like /usr/local/bin\n"); + fprintf(stderr, " instead of Windows style paths like C:\\Program Files are used. POSIX\n"); + fprintf(stderr, " style paths are used by default.\n"); +#endif + fprintf(stderr, " -a <app-dir>:\n"); + fprintf(stderr, " Informs the configuration tool where the application build\n"); + fprintf(stderr, " directory. This is a relative path from the top-level NuttX\n"); + fprintf(stderr, " build directory. But default, this tool will look in the usual\n"); + fprintf(stderr, " places to try to locate the application directory: ..%capps or\n", g_delim); + fprintf(stderr, " ..%capps-xx.yy where xx.yy is the NuttX version number.\n", g_delim); + 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); + (void)vprintf(fmt, ap); + va_end(ap); + } +} + +static void parse_args(int argc, char **argv) +{ + char *ptr; + int ch; + + /* Parse command line options */ + + g_debug = false; + + while ((ch = getopt(argc, argv, ":a:dwlh")) > 0) + { + switch (ch) + { + case 'a' : + g_appdir = optarg; + break; + + case 'd' : + g_debug = true; + break; + + case 'w' : + g_delim = '/'; + g_winpaths = true; + break; + + case 'l' : + g_delim = '\\'; + g_winpaths = false; + break; + + case 'h' : + show_usage(argv[0], EXIT_SUCCESS); + + 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); + + break; + 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>%c<config-name>\n", g_delim); + show_usage(argv[0], EXIT_FAILURE); + } + + /* The required option should be the board directory name and the + * configuration directory name separated by '/' or '\'. Either is + * acceptable in this context. + */ + + g_boarddir = argv[optind]; + optind++; + + ptr = strchr(g_boarddir, '/'); + if (!ptr) + { + ptr = strchr(g_boarddir, '\\'); + } + + if (!ptr) + { + fprintf(stderr, "ERROR: Invalid <board-name>%c<config-name>\n", g_delim); + show_usage(argv[0], EXIT_FAILURE); + } + + *ptr++ = '\0'; + g_configdir = ptr; + + if (optind < argc) + { + fprintf(stderr, "Unexpected garbage at the end of the line\n"); + show_usage(argv[0], EXIT_FAILURE); + } +} + +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 dirctory 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 get_topdir(void) +{ + /* Get and verify the top-level NuttX directory */ + + if (getcwd(g_buffer, BUFFER_SIZE) == NULL) + { + fprintf(stderr, "ERROR: getcwd failed: %s\n", strerror(errno)); + exit(EXIT_FAILURE); + } + + g_topdir = strdup(dirname(g_buffer)); + debug("get_topdir: Checking topdir=%s\n", g_topdir); + verify_directory(g_topdir); +} + +static void config_search(const char *boarddir) +{ + 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); + + /* Vist 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, the 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); + free(tmppath); + } + + /* If it is a regular file named 'defconfig' then we have found a + * configuration directory. We could terminate the serach in this case + * because we do not expect sub-directories within configuration + * directories. + */ + + else if (S_ISREG(buf.st_mode) && strcmp("defconfig", child) == 0) + { + fprintf(stderr, " %s\n", boarddir); + } + + free(child); + } + + free(parent); + closedir(dir); +} + +static void enumerate_configs(void) +{ + fprintf(stderr, "Options for <board-name>[%c<config-name>] include:\n\n", g_delim); + config_search(""); +} + +static void check_configdir(void) +{ + /* Get the path to the top level configuration directory */ + + snprintf(g_buffer, BUFFER_SIZE, "%s%cconfigs", 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 */ + + snprintf(g_buffer, BUFFER_SIZE, "%s%cconfigs%c%s%c%s", + g_topdir, g_delim, g_delim, g_boarddir, 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); +} + +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) + { + /* No, was the path provided in the configuration? */ + + struct variable_s *var = find_variable("CONFIG_APP_DIR", g_configvars); + if (var) + { + 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_APP_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 application directory\n"); + exit(EXIT_FAILURE); + } + else + { + snprintf(g_buffer, BUFFER_SIZE, "%s%c%s", g_topdir, g_delim, g_appdir); + if (!verify_appdir(g_buffer)) + { + fprintf(stderr, "ERROR: Command line path to application directory does not exist\n"); + exit(EXIT_FAILURE); + } + } +} + +static void check_configuration(void) +{ + struct variable_s *var; + + /* Check if this the new style configuration based on kconfig-fontends */ + + var = find_variable("CONFIG_NUTTX_NEWCONFIG", g_configvars); + if (var && var->val && strcmp("y", var->val) == 0) + { + debug("check_configuration: New style configuration\n"); + g_newconfig = true; + } + + /* 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_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); + + 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)) + { + fprintf(stderr, "ERROR: Configuration corrupted in %s\n", g_configpath); + fprintf(stderr, " No Make.defs file found.\n"); + enumerate_configs(); + exit(EXIT_FAILURE); + } + + g_srcmakedefs = strdup(g_buffer); + + /* Windows native configurations may provide setenv.bat; POSIX + * configurations may provide a setenv.sh. + */ + + if (g_winnative) + { + snprintf(g_buffer, BUFFER_SIZE, "%s%csetenv.bat", g_configpath, g_delim); + debug("check_configuration: Checking %s\n", g_buffer); + if (verify_file(g_buffer)) + { + g_srcsetenvbat = strdup(g_buffer); + } + } + else + { + snprintf(g_buffer, BUFFER_SIZE, "%s%csetenv.sh", g_configpath, g_delim); + debug("check_configuration: Checking %s\n", g_buffer); + if (verify_file(g_buffer)) + { + g_srcsetenvsh = strdup(g_buffer); + } + } + + /* Old style configurations MUST provide an appconfig file */ + + if (!g_newconfig) + { + snprintf(g_buffer, BUFFER_SIZE, "%s%cappconfig", g_configpath, g_delim); + debug("check_configuration: Checking %s\n", g_buffer); + if (!verify_file(g_buffer)) + { + fprintf(stderr, "ERROR: Configuration corrupted in %s\n", g_configpath); + fprintf(stderr, " Required appconfig file not found.\n"); + enumerate_configs(); + exit(EXIT_FAILURE); + } + + g_srcappconfig = 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 void configure(void) +{ + char *destconfig; + + /* 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 the setenv.sh file if have one and need one */ + + if (g_srcsetenvsh) + { + snprintf(g_buffer, BUFFER_SIZE, "%s%csetenv.sh", g_topdir, g_delim); + debug("configure: Copying from %s to %s\n", g_srcsetenvsh, g_buffer); + copy_file(g_srcsetenvsh, g_buffer, 0755); + } + + /* Copy the setenv.bat file if have one and need one */ + + if (g_srcsetenvbat) + { + snprintf(g_buffer, BUFFER_SIZE, "%s%csetenv.bat", g_topdir, g_delim); + debug("configure: Copying from %s to %s\n", g_srcsetenvbat, g_buffer); + copy_file(g_srcsetenvbat, g_buffer, 0644); + } + + /* Copy the appconfig file to ../apps/.config if have one and need one */ + + if (g_srcappconfig) + { + snprintf(g_buffer, BUFFER_SIZE, "%s%c.config", g_apppath, g_delim); + debug("configure: Copying from %s to %s\n", g_srcappconfig, g_buffer); + copy_file(g_srcappconfig, g_buffer, 0644); + } + + /* 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, '/', '\\'); + } + } + + /* 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); +} + +/**************************************************************************** + * 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"); + get_topdir(); + check_configdir(); + + 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(); + return EXIT_SUCCESS; +} |