guix/distro/patches/guile-relocatable.patch
Ludovic Courtès df1fab5837 distro: Add a statically-linked, relocatable Guile 2.0 package.
* distro/packages/base.scm (%guile-static, %guile-static-stripped): New
  variables.

* distro/patches/guile-relocatable.patch: New file.
* Makefile.am (dist_patch_DATA): Add it.
2012-10-13 22:36:39 +02:00

60 lines
2.1 KiB
Diff

This patch changes Guile to use a default search path relative to the
location of the `guile' binary, allowing it to be relocated.
diff --git a/libguile/load.c b/libguile/load.c
index af2ca45..751c903 100644
--- a/libguile/load.c
+++ b/libguile/load.c
@@ -26,6 +26,7 @@
#include <string.h>
#include <stdio.h>
+#include <libgen.h>
#include "libguile/_scm.h"
#include "libguile/private-gc.h" /* scm_getenv_int */
@@ -255,6 +256,26 @@ scm_init_load_path ()
SCM cpath = SCM_EOL;
#ifdef SCM_LIBRARY_DIR
+ char *bin_dir, *prefix, *module_dir, *ccache_dir;
+
+ /* Determine the source and compiled module directories at run-time,
+ relative to the executable's location. */
+
+ bin_dir = dirname (strdupa (program_invocation_name));
+
+ prefix = scm_gc_malloc_pointerless (strlen (bin_dir) + 4, "string");
+ strcpy (prefix, bin_dir);
+ strcat (prefix, "/..");
+ prefix = canonicalize_file_name (prefix);
+
+ module_dir = scm_gc_malloc_pointerless (strlen (prefix) + 50, "string");
+ strcpy (module_dir, prefix);
+ strcat (module_dir, "/share/guile/2.0");
+
+ ccache_dir = scm_gc_malloc_pointerless (strlen (prefix) + 50, "string");
+ strcpy (ccache_dir, prefix);
+ strcat (ccache_dir, "/lib/guile/2.0/ccache");
+
env = getenv ("GUILE_SYSTEM_PATH");
if (env && strcmp (env, "") == 0)
/* special-case interpret system-path=="" as meaning no system path instead
@@ -263,7 +284,7 @@ scm_init_load_path ()
else if (env)
path = scm_parse_path (scm_from_locale_string (env), path);
else
- path = scm_list_4 (scm_from_locale_string (SCM_LIBRARY_DIR),
+ path = scm_list_4 (scm_from_locale_string (module_dir),
scm_from_locale_string (SCM_SITE_DIR),
scm_from_locale_string (SCM_GLOBAL_SITE_DIR),
scm_from_locale_string (SCM_PKGDATA_DIR));
@@ -276,7 +297,7 @@ scm_init_load_path ()
cpath = scm_parse_path (scm_from_locale_string (env), cpath);
else
{
- cpath = scm_list_2 (scm_from_locale_string (SCM_CCACHE_DIR),
+ cpath = scm_list_2 (scm_from_locale_string (ccache_dir),
scm_from_locale_string (SCM_SITE_CCACHE_DIR));
}