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iverilog
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More installation directory flexibility.

This commit is contained in:
steve 2006-03-26 21:47:26 +00:00
parent 5e8330a4ff
commit 5d41e98c1f
1 changed files with 59 additions and 13 deletions
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72
driver/main.c
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@ -17,7 +17,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: main.c,v 1.65 2004/06/17 14:47:22 steve Exp $"
#ident "$Id: main.c,v 1.65.2.1 2006/03/26 21:47:26 steve Exp $"
#endif
# include "config.h"
@ -88,6 +88,10 @@ extern const char*optarg;
# define IVL_ROOT "."
#endif
#ifndef IVL_ROOT_VARIABLE
# define IVL_ROOT_VARIABLE "IVERILOG_ROOT"
#endif
# include "globals.h"
#include "cfparse_misc.h" /* cfparse() */
@ -409,13 +413,14 @@ int process_generation(const char*name)
return 0;
}
int main(int argc, char **argv)
/*
* This function fills in th ivl_root directory with the appropriate
* path, based on operating system, build time configuration, and
* environment.
*/
static char* get_root_dir()
{
char*cmd;
unsigned ncmd;
int e_flag = 0;
int version_flag = 0;
int opt, idx, rc;
char*var = 0;
#ifdef __MINGW32__
{ char * s;
@ -443,16 +448,54 @@ int main(int argc, char **argv)
s = strrchr(ivl_root, sep);
if (s) *s = 0;
strcat(ivl_root, "\\lib\\ivl");
}
#else
/* In other systems, use the configured root. */
strcpy(ivl_root, IVL_ROOT);
base = ivl_root;
/* In any case, the IVL_ROOT variable can be used to override
the install location at run time. If it is set, use that
value instead. */
if ( (var = getenv(IVL_ROOT_VARIABLE)) ) {
strncpy(ivl_root, var, MAXSIZE);
}
#endif
return ivl_root;
}
int main(int argc, char **argv)
{
char*cmd;
unsigned ncmd;
int e_flag = 0;
int version_flag = 0;
int opt, idx, rc;
get_root_dir();
base = get_root_dir();
#ifdef __MINGW32__
/* Under Windows, there is no point checking the root
directory. */
#else
/* In a UNIX environment, the IVL_ROOT from the Makefile is
dependable. It points to the $prefix/lib/ivl directory,
where the sub-parts are installed. */
strcpy(ivl_root, IVL_ROOT);
base = ivl_root;
/* On other systems, check that the root directory seems
reasonable. */
{ size_t tmp_len = strlen(base) + 16;
char* tmp = malloc(tmp_len);
snprintf(tmp, tmp_len, "%s%civl", base, sep);
if (0 != access(tmp, F_OK)) {
fprintf(stderr, "%s: INSTALLATION ERROR: Directory %s"
" does not contain ivl files.\n", argv[0], base);
fprintf(stderr, "%s: : Check installation"
" or set " IVL_ROOT_VARIABLE " correctly.\n", argv[0]);
return 1;
}
free(tmp);
}
#endif
/* Create a temporary file for communicating input parameters
@ -735,6 +778,9 @@ int main(int argc, char **argv)
/*
* $Log: main.c,v $
* Revision 1.65.2.1 2006/03/26 21:47:26 steve
* More installation directory flexibility.
*
* Revision 1.65 2004/06/17 14:47:22 steve
* Add a .sft file for the system functions.
*