/*
scconfig - command line argument processing
Copyright (C) 2009..2012 Tibor Palinkas
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Project page: http://repo.hu/projects/scconfig
Contact via email: scconfig [at] igor2.repo.hu
*/
#include <stdlib.h>
#include <string.h>
#include "db.h"
#include "arg.h"
#include "dep.h"
#include "log.h"
#include "libs.h"
argtbl_t main_argument_table[] = {
{"import", NULL, import_args, "Import saved config (sub)tree"},
{"target", "/arg/sys/target", NULL, "set cross compilation target (prefix)"},
{"target-name", "/arg/sys/target-name", NULL, "set cross compilation target (system name)"},
{"target-shell","/arg/sys/target-shell",NULL, "set the shell on cross compilation target"},
{"emu", "/arg/sys/emu", NULL, "emulator for testing cross compiled executables with"},
{"pkg-config", "/arg/sys/pkg-config", NULL, "path to pkg-config to use"},
{"pkg-config-zap","/arg/sys/pkg-config-zap",NULL, "ignore pkg-config results by this regex pattern"},
/* wildcard rules for icl() control */
{"^ldflags/", NULL, import_icl, "force LDFLAGS for a node"},
{"^cflags/", NULL, import_icl, "force CFLAGS for a node"},
{"^includes/", NULL, import_icl, "force #includes for a node"},
{"^prefix/", NULL, import_icl, "force using prefix path for detecting the node"},
/* the followings are autoconf compatibility translations */
{"CC", "/arg/cc/cc", NULL, "Force using a C compiler (command line)"},
{"CFLAGS", "/arg/cc/cflags", NULL, "Force using a CFLAGS for C compilation"},
{"LDFLAGS", "/arg/cc/ldflags", NULL, "Force using a LDFLAGS for linking"},
{"LDL", "/arg/libs/ldl", NULL, "Force using -ldl string"},
{"gpmi-prefix", "/arg/gpmi/prefix", NULL, NULL},
{NULL, NULL, NULL, NULL}
};
void process_args(int argc, char *argv[])
{
int n;
char *key, *value;
argtbl_t *a;
int found, tainted = 0;
db_mkdir("/arg");
logprintf(0, "CLI arg 0: '%s'\n", argv[0]);
for(n = 1; n < argc; n++) {
key = argv[n];
logprintf(0, "CLI arg %d: '%s'\n", n, key);
while(*key == '-') key++;
value = str_chr(key, '=');
found = 0;
if (value != NULL) {
*value = '\0';
value++;
if (strcmp(key, "without") == 0) {
char *tmp, *end;
if (*value != '/') {
const char **r, *roots[] = {"target", "host", "runtime", NULL};
for(r = roots; *r != NULL; r++) {
tmp = str_concat("/", "/arg/without", *r, value, NULL);
put(tmp, strue);
free(tmp);
}
}
else {
tmp = str_concat("/", "/arg/without", value+1, NULL);
put(tmp, strue);
free(tmp);
}
found = 1;
}
else {
/* Look in the argument translate table */
for(a = main_argument_table; a->arg != NULL; a++) {
if (((a->arg[0] == '^') && (strncmp(a->arg+1, key, strlen(a->arg+1)) == 0)) || (strcmp(a->arg, key) == 0)) {
found = 1;
if (a->callback != NULL) {
if (a->callback(key, value) != 0) {
error("Processing argument '%s' failed in the callback\n", argv[n]);
abort();
}
}
if (a->path != NULL)
put(a->path, value);
}
}
}
/* Look in known deps table or /arg */
if (found == 0) {
if ((is_dep_known(key)) || (strncmp(key, "/arg/", 5) == 0)) {
put(key, value);
found = 1;
}
}
}
if (found == 0) {
if (custom_arg(key, value) == 0) {
error("Unknown argument '%s'\n", key);
tainted++;
}
}
}
if (tainted)
exit(1);
}
void help_default_args(FILE *f, const char *prefix)
{
argtbl_t *a;
if (prefix == NULL)
prefix = "";
fprintf(f, "%sscconfig generic command line arguments:\n", prefix);
for(a = main_argument_table; a->arg != NULL; a++) {
char *tmp;
if (a->help == NULL)
continue;
if (*a->arg == '^') {
tmp = str_concat("", a->arg+1, "...=...", NULL);
fprintf(f, "%s --%-22s %s\n", prefix, tmp, a->help);
}
else {
tmp = str_concat("", a->arg, "=...", NULL);
fprintf(f, "%s --%-22s %s\n", prefix, tmp, a->help);
}
free(tmp);
}
}