sys-lib-dlsearch/2.4


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the linux target parses /etc/ld.so.conf to see what paths are
searched at runtime, and hardcodes /lib /usr/lib as a fallback.
this works poorly when cross-compiling, so tweak the behavior:
 - search $SYSROOT/etc/ld.so.conf
 - default to Gentoo's notion of the active multilib

--- a/configure
+++ b/configure
@@ -10405,9 +10405,9 @@
   hardcode_into_libs=yes
 
   # Append ld.so.conf contents to the search path
-  if test -f /etc/ld.so.conf; then
-    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < /etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
-    sys_lib_dlsearch_path_spec="/lib /usr/lib $lt_ld_extra"
+  if test -f "$SYSROOT"/etc/ld.so.conf; then
+    lt_ld_extra=`awk '/^include / { system(sprintf("cd /etc; cat %s 2>/dev/null", \$2)); skip = 1; } { if (!skip) print \$0; skip = 0; }' < "$SYSROOT"/etc/ld.so.conf | $SED -e 's/#.*//;/^[	 ]*hwcap[	 ]/d;s/[:,	]/ /g;s/=[^=]*$//;s/=[^= ]* / /g;s/"//g;/^$/d' | tr '\n' ' '`
+    sys_lib_dlsearch_path_spec="/@GENTOO_LIBDIR@ /usr/@GENTOO_LIBDIR@ $lt_ld_extra"
   fi
 
   # We used to test for /lib/ld.so.1 and disable shared libraries on