gcc/gcc12-isl-dl2.patch

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2021-03-19 14:52:54 +00:00
2011-04-04 Jakub Jelinek <jakub@redhat.com>
* toplev.c (toplev_main_argv): New variable.
(toplev_main): Initialize it.
* graphite.c (init_isl_pointers): Load libisl.so.15 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
2022-01-08 11:35:44 +00:00
@@ -113,6 +113,8 @@ static void finalize (bool);
static void crash_signal (int) ATTRIBUTE_NORETURN;
static void compile_file (void);
2021-03-19 14:52:54 +00:00
+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;
2022-01-08 11:35:44 +00:00
@@ -2239,6 +2241,8 @@ toplev::main (int argc, char **argv)
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expandargv (&argc, &argv);
+ toplev_main_argv = CONST_CAST2 (const char **, char **, argv);
+
/* Initialization of GCC's environment, and diagnostics. */
general_init (argv[0], m_init_signals);
--- gcc/graphite.c.jj 2010-12-01 10:24:32.000000000 -0500
+++ gcc/graphite.c 2010-12-01 11:46:07.832118193 -0500
@@ -64,11 +64,39 @@ __typeof (isl_pointers__) isl_pointers__
static bool
init_isl_pointers (void)
{
- void *h;
+ void *h = NULL;
+ extern const char **toplev_main_argv;
+ char *buf, *p;
+ size_t len;
if (isl_pointers__.inited)
return isl_pointers__.h != NULL;
- h = dlopen ("libisl.so.15", RTLD_LAZY);
+ len = progname - toplev_main_argv[0];
+ buf = XALLOCAVAR (char, len + sizeof "libisl.so.15");
+ memcpy (buf, toplev_main_argv[0], len);
+ strcpy (buf + len, "libisl.so.15");
+ len += sizeof "libisl.so.15";
+ 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, "libisl.so.15");
+ }
+ }
+ if (h == NULL)
+ h = dlopen (buf, RTLD_LAZY);
isl_pointers__.h = h;
if (h == NULL)
return false;