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/*
* depmaker - create package/Depends.mk for OpenADK buildsystem
*
* Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
*
* 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 of the License, 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 <http://www.gnu.org/licenses/>.
*/
#include <ctype.h>
#include <dirent.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#define MAXLINE 512
#define MAXPATH 128
static int prefix = 0;
static int check_symbol(char *symbol) {
FILE *config;
char buf[MAXLINE];
char *sym;
int ret;
if ((sym = malloc(strlen(symbol) + 2)) != NULL)
memset(sym, 0, strlen(symbol) + 2);
else {
perror("Can not allocate memory.");
exit(EXIT_FAILURE);
}
strncat(sym, symbol, strlen(symbol));
strncat(sym, "=", 1);
if ((config = fopen(".config", "r")) == NULL) {
perror("Can not open file \".config\".");
exit(EXIT_FAILURE);
}
ret = 1;
while (fgets(buf, MAXLINE, config) != NULL) {
if (strncmp(buf, sym, strlen(sym)) == 0)
ret = 0;
}
free(sym);
if (fclose(config) != 0)
perror("Closing file stream failed");
return(ret);
}
/*@null@*/
static char *parse_line(char *package, char *pkgvar, char *string, int checksym, int pprefix) {
char *key, *value, *dep, *key_sym, *pkgdeps;
char temp[MAXLINE];
string[strlen(string)-1] = '\0';
if ((key = strtok(string, ":=")) == NULL) {
perror("Can not get key from string.");
exit(EXIT_FAILURE);
}
if (checksym == 1) {
/* extract symbol */
if ((key_sym = malloc(MAXLINE)) != NULL)
memset(key_sym, 0, MAXLINE);
else {
perror("Can not allocate memory.");
exit(EXIT_FAILURE);
}
if (pprefix == 0) {
if (snprintf(key_sym, MAXLINE, "ADK_PACKAGE_%s_", pkgvar) < 0)
perror("Can not create string variable.");
} else {
if (snprintf(key_sym, MAXLINE, "ADK_PACKAGE_") < 0)
perror("Can not create string variable.");
}
strncat(key_sym, key+6, strlen(key)-6);
if (check_symbol(key_sym) != 0) {
free(key_sym);
return(NULL);
}
free(key_sym);
}
if ((pkgdeps = malloc(MAXLINE)) != NULL)
memset(pkgdeps, 0, MAXLINE);
else {
perror("Can not allocate memory.");
exit(EXIT_FAILURE);
}
value = strtok(NULL, "=\t");
dep = strtok(value, " ");
while (dep != NULL) {
if (prefix == 0) {
prefix = 1;
if (snprintf(temp, MAXLINE, "%s-compile: %s-compile", package, dep) < 0)
perror("Can not create string variable.");
} else {
if (snprintf(temp, MAXLINE, " %s-compile", dep) < 0)
perror("Can not create string variable.");
}
strncat(pkgdeps, temp, strlen(temp));
dep = strtok(NULL, " ");
}
return(pkgdeps);
}
int main() {
DIR *pkgdir;
struct dirent *pkgdirp;
FILE *pkg;
char buf[MAXLINE];
char path[MAXPATH];
char *string, *pkgvar, *pkgdeps, *tmp;
int i;
/* read Makefile's for all packages */
pkgdir = opendir("package");
while ((pkgdirp = readdir(pkgdir)) != NULL) {
/* skip dotfiles */
if (strncmp(pkgdirp->d_name, ".", 1) > 0) {
if (snprintf(path, MAXPATH, "package/%s/Makefile", pkgdirp->d_name) < 0)
perror("Can not create string variable.");
pkg = fopen(path, "r");
if (pkg == NULL)
continue;
/* transform to uppercase variable name */
pkgvar = strdup(pkgdirp->d_name);
for (i=0; i<(int)strlen(pkgvar); i++) {
if (pkgvar[i] == '+')
pkgvar[i] = 'X';
if (pkgvar[i] == '-')
pkgvar[i] = '_';
pkgvar[i] = toupper(pkgvar[i]);
}
/* exclude manual maintained packages from package/Makefile */
if (!(strncmp(pkgdirp->d_name, "eglibc", 6) == 0) &&
!(strncmp(pkgdirp->d_name, "libc", 4) == 0 && strlen(pkgdirp->d_name) == 4) &&
!(strncmp(pkgdirp->d_name, "libpthread", 10) == 0 && strlen(pkgdirp->d_name) == 10) &&
!(strncmp(pkgdirp->d_name, "uclibc++", 8) == 0) &&
!(strncmp(pkgdirp->d_name, "uclibc", 6) == 0) &&
!(strncmp(pkgdirp->d_name, "glibc", 5) == 0)) {
/* print result to stdout */
printf("package-$(ADK_COMPILE_%s) += %s\n", pkgvar, pkgdirp->d_name);
}
if ((pkgdeps = malloc(MAXLINE)) != NULL)
memset(pkgdeps, 0, MAXLINE);
else {
perror("Can not allocate memory.");
exit(EXIT_FAILURE);
}
prefix = 0;
/* generate build dependencies */
while (fgets(buf, MAXLINE, pkg) != NULL) {
if ((tmp = malloc(MAXLINE)) != NULL)
memset(tmp, 0 , MAXLINE);
else {
perror("Can not allocate memory.");
exit(EXIT_FAILURE);
}
/* just read variables prefixed with PKG */
if (strncmp(buf, "PKG", 3) == 0) {
string = strstr(buf, "PKG_BUILDDEP:=");
if (string != NULL) {
tmp = parse_line(pkgdirp->d_name, pkgvar, string, 0, 0);
if (tmp != NULL) {
strncat(pkgdeps, tmp, strlen(tmp));
}
}
string = strstr(buf, "PKG_BUILDDEP+=");
if (string != NULL) {
tmp = parse_line(pkgdirp->d_name, pkgvar, string, 0, 0);
if (tmp != NULL)
strncat(pkgdeps, tmp, strlen(tmp));
}
string = strstr(buf, "PKGFB_");
if (string != NULL) {
tmp = parse_line(pkgdirp->d_name, pkgvar, string, 1, 0);
if (tmp != NULL)
strncat(pkgdeps, tmp, strlen(tmp));
}
string = strstr(buf, "PKGCB_");
if (string != NULL) {
tmp = parse_line(pkgdirp->d_name, pkgvar, string, 1, 0);
if (tmp != NULL)
strncat(pkgdeps, tmp, strlen(tmp));
}
string = strstr(buf, "PKGSB_");
if (string != NULL) {
tmp = parse_line(pkgdirp->d_name, pkgvar, string, 1, 1);
if (tmp != NULL) {
strncat(pkgdeps, tmp, strlen(tmp));
}
}
}
free(tmp);
}
if (strlen(pkgdeps) != 0)
printf("%s\n", pkgdeps);
free(pkgdeps);
free(pkgvar);
if (fclose(pkg) != 0)
perror("Closing file stream failed");
}
}
if (closedir(pkgdir) != 0)
perror("Closing directory stream failed");
return(0);
}
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