compat-libgfortran-48/gcc48-cloog-dl2.patch

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2021-01-21 00:56:15 +00:00
2011-04-04 Jakub Jelinek <jakub@redhat.com>
* toplev.c (toplev_main_argv): New variable.
(toplev_main): Initialize it.
* graphite.c (init_cloog_pointers): Load libcloog-isl.so.4 from gcc's private
directory.
--- gcc/toplev.c.jj 2008-12-09 23:59:10.000000000 +0100
+++ gcc/toplev.c 2009-01-27 14:33:52.000000000 +0100
@@ -107,6 +107,8 @@ static bool no_backend;
/* Length of line when printing switch values. */
#define MAX_LINE 75
+const char **toplev_main_argv;
+
/* Decoded options, and number of such options. */
struct cl_decoded_option *save_decoded_options;
unsigned int save_decoded_options_count;
@@ -1909,6 +1911,8 @@ toplev_main (int argc, char **argv)
expandargv (&argc, &argv);
+ toplev_main_argv = CONST_CAST2 (const char **, char **, argv);
+
/* Initialization of GCC's environment, and diagnostics. */
general_init (argv[0]);
--- gcc/graphite.c.jj 2010-12-01 10:24:32.000000000 -0500
+++ gcc/graphite.c 2010-12-01 11:46:07.832118193 -0500
@@ -72,11 +72,39 @@ __typeof (cloog_pointers__) cloog_pointe
static bool
init_cloog_pointers (void)
{
- void *h;
-
- if (cloog_pointers__.inited)
- return cloog_pointers__.h != NULL;
- h = dlopen ("libcloog-isl.so.4", RTLD_LAZY);
+ void *h = NULL;
+ extern const char **toplev_main_argv;
+ char *buf, *p;
+ size_t len;
+
+ if (cloog_pointers__.inited)
+ return cloog_pointers__.h != NULL;
+ len = progname - toplev_main_argv[0];
+ buf = XALLOCAVAR (char, len + sizeof "libcloog-isl.so.4");
+ memcpy (buf, toplev_main_argv[0], len);
+ strcpy (buf + len, "libcloog-isl.so.4");
+ len += sizeof "libcloog-isl.so.4";
+ p = strstr (buf, "/libexec/");
+ if (p != NULL)
+ {
+ while (1)
+ {
+ char *q = strstr (p + 8, "/libexec/");
+ if (q == NULL)
+ break;
+ p = q;
+ }
+ memmove (p + 4, p + 8, len - (p + 8 - buf));
+ h = dlopen (buf, RTLD_LAZY);
+ if (h == NULL)
+ {
+ len = progname - toplev_main_argv[0];
+ memcpy (buf, toplev_main_argv[0], len);
+ strcpy (buf + len, "libcloog-isl.so.4");
+ }
+ }
+ if (h == NULL)
+ h = dlopen (buf, RTLD_LAZY);
cloog_pointers__.h = h;
if (h == NULL)
return false;