fix eina_prefix_new to return correct paths. Checks if locale dir is
given else ignore
locale paths. If common prefix_path found, add the correct postfix
instead of hard-coded
ones.
This solves the problem of emotion_generic being unable to find
em_generic_vlc even
in the case of common prefixes and in installed locations - the most
common case, when
paths such as multiarch installs install to.
Arvind R.
---
The code is still wrong in extracting prefix from dynamically loaded
library path and
searching back to the first delimiter and using the left-side, which
is libdir, as prefix.
On top of that, the arbitrary bin | lib | data is appended for the other paths.
IMHO, the whole prefix stuff is nonsense as one is expected to
relocate the whole tree
only; i.e. relocate to a new prefix. Adding the new libdir to
ld.so.conf would then be sufficient
as relative paths for modules remain unchanged.
--- a/src/lib/eina/eina_prefix.c 2013-01-03 20:40:34.000000000 +0530
+++ b/src/lib/eina/eina_prefix.c 2013-01-13 08:53:56.000000000 +0530
@@ -89,6 +89,7 @@ struct _Eina_Prefix
unsigned char fallback : 1;
unsigned char no_common_prefix : 1;
unsigned char env_used : 1;
+ unsigned char ignore_locale : 1;
};
#define STRDUP_REP(x, y) do { if (x) free(x); x = strdup(y); } while (0)
@@ -382,6 +383,8 @@ eina_prefix_new(const char *argv0, void
pfx = calloc(1, sizeof(Eina_Prefix));
if (!pfx) return NULL;
+ if (!strlen(pkg_locale))
+ pfx->ignore_locale = 1;
/* if provided with a share dir use datadir/sharedir as the share dir */
if (sharedir)
{
@@ -469,9 +472,10 @@ eina_prefix_new(const char *argv0, void
}
}
/* 2. if all the common string offsets match we compiled with a
common prefix */
+ /* packaging scripts may not set localedir if package uses no
locale info (e.g. debian) */
if (((pkg_bin_p - pkg_bin) == (pkg_lib_p - pkg_lib))
&& ((pkg_bin_p - pkg_bin) == (pkg_data_p - pkg_data))
- && ((pkg_bin_p - pkg_bin) == (pkg_locale_p - pkg_locale))
+ && (pfx->ignore_locale || ((pkg_bin_p - pkg_bin) ==
(pkg_locale_p - pkg_locale)))
)
{
bindir = pkg_bin_p;
@@ -482,6 +486,40 @@ eina_prefix_new(const char *argv0, void
DBG("Prefix relative libdir = %s", libdir);
DBG("Prefix relative datadir = %s", datadir);
DBG("Prefix relative localedir = %s", localedir);
+ if (pfx->prefix_path) free (pfx->prefix_path);
+ pfx->prefix_path = malloc (pkg_bin_p - pkg_bin + 1);
+ if (!pfx->prefix_path)
+ {
+ WRN("No Prefix path (alloc fail)");
+ _fallback(pfx, pkg_bin, pkg_lib, pkg_data, pkg_locale,
envprefix);
+ return pfx;
+ }
+ for (p = pfx->prefix_path, p1 = pkg_bin; p1 < pkg_bin_p; p++,
p1++)
+ *p = *p1;
+
+ /* bin */
+ snprintf(buf, sizeof(buf), "%s%s", pfx->prefix_path, bindir);
+ STRDUP_REP(pfx->prefix_path_bin, buf);
+ DBG("Have bin = %s", pfx->prefix_path_bin);
+
+ /* data */
+ snprintf(buf, sizeof(buf), "%s%s", pfx->prefix_path, datadir);
+ STRDUP_REP(pfx->prefix_path_data, buf);
+ DBG("Have data = %s", pfx->prefix_path_data);
+
+ /* lib */
+ snprintf(buf, sizeof(buf), "%s%s", pfx->prefix_path, libdir);
+ STRDUP_REP(pfx->prefix_path_lib, buf);
+ DBG("Have lib = %s", pfx->prefix_path_lib);
+
+ /* locale */
+ if (!pfx->ignore_locale)
+ {
+ snprintf(buf, sizeof(buf), "%s%s", pfx->prefix_path,
localedir);
+ STRDUP_REP(pfx->prefix_path_locale, buf);
+ DBG("Have locale = %s", pfx->prefix_path_locale);
+ }
+ return pfx;
}
/* 3. some galoot thought it awesome not to give us a common
prefix at compile time
* so fall back to the compile time directories. we are no longer
relocatable */
@@ -703,7 +741,7 @@ eina_prefix_data_get(Eina_Prefix *pfx)
EAPI const char *
eina_prefix_locale_get(Eina_Prefix *pfx)
{
- if (!pfx) return "";
+ if (!pfx || pfx->ignore_locale) return "";
return pfx->prefix_path_locale;
}
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