Make path to ldconfig configurable

The FHS (2.3) says having ldconfig in /sbin is optional and it is usually
located in /usr/sbin.  So /sbin/ldconfig should not be hard coded in
pacman.  Instead, provide a configure option --with-ldconfig that defaults
to the current path.

Signed-off-by: Allan McRae <allan@archlinux.org>

Makefile.am

@@ -29,6 +29,7 @@ test-pacman: test/pacman src/pacman
 	LC_ALL=C $(PYTHON) $(top_srcdir)/test/pacman/pactest.py --debug=1 \
 		--test $(top_srcdir)/test/pacman/tests/*.py \
 		--scriptlet-shell $(SCRIPTLET_SHELL) \
+		--ldconfig $(LDCONFIG) \
 		-p $(top_builddir)/src/pacman/pacman
 
 test-pacsort: test/util src/util

configure.ac

@@ -108,6 +108,12 @@ AC_ARG_WITH(scriptlet-shell,
 		[set the full path to the shell used to run install scriptlets]),
 	[SCRIPTLET_SHELL=$withval], [SCRIPTLET_SHELL=/bin/sh])
 
+# Help line for ldconfig path
+AC_ARG_WITH(ldconfig,
+	AS_HELP_STRING([--with-ldconfig=path],
+		[set the full path to ldconfig]),
+	[LDCONFIG=$withval], [LDCONFIG=/sbin/ldconfig])
+
 # Help line for using OpenSSL
 AC_ARG_WITH(openssl,
 	AS_HELP_STRING([--with-openssl], [use OpenSSL crypto implementations instead of internal routines]),
@@ -456,6 +462,10 @@ AC_DEFINE_UNQUOTED([DEBUGSUFFIX], "$DEBUGSUFFIX", [The suffix for debugging symb
 # Set shell used by install scriptlets
 AC_SUBST(SCRIPTLET_SHELL)
 AC_DEFINE_UNQUOTED([SCRIPTLET_SHELL], "$SCRIPTLET_SHELL", [The full path of the shell used to run install scriptlets])
+# Set ldconfig path
+AC_SUBST(LDCONFIG)
+AC_DEFINE_UNQUOTED([LDCONFIG], "$LDCONFIG", [The full path to ldconfig])
+
 
 # Configuration files
 AC_CONFIG_FILES([

lib/libalpm/util.c

@@ -621,12 +621,12 @@ int _alpm_ldconfig(alpm_handle_t *handle)
 
 	snprintf(line, PATH_MAX, "%setc/ld.so.conf", handle->root);
 	if(access(line, F_OK) == 0) {
-		snprintf(line, PATH_MAX, "%ssbin/ldconfig", handle->root);
+		snprintf(line, PATH_MAX, "%s%s", handle->root, LDCONFIG);
 		if(access(line, X_OK) == 0) {
 			char arg0[32];
 			char *argv[] = { arg0, NULL };
 			strcpy(arg0, "ldconfig");
-			return _alpm_run_chroot(handle, "/sbin/ldconfig", argv);
+			return _alpm_run_chroot(handle, LDCONFIG, argv);
 		}
 	}
 

test/pacman/pactest.py

@@ -85,6 +85,9 @@ def create_parser():
     parser.add_option("--scriptlet-shell", type = "string",
                       dest = "scriptletshell", default = "/bin/sh",
                       help = "specify path to shell used for install scriptlets")
+    parser.add_option("--ldconfig", type = "string",
+                      dest = "ldconfig", default = "/sbin/ldconfig",
+                      help = "specify path to ldconfig")
     return parser
 
 
@@ -104,6 +107,7 @@ def create_parser():
     env.pacman["valgrind"] = opts.valgrind
     env.pacman["manual-confirm"] = opts.manualconfirm
     env.pacman["scriptlet-shell"] = opts.scriptletshell
+    env.pacman["ldconfig"] = opts.ldconfig
 
     if opts.testcases is None or len(opts.testcases) == 0:
         print "no tests defined, nothing to do"

test/pacman/pmtest.py

@@ -120,11 +120,12 @@ def generate(self, pacman):
         logdir = os.path.join(self.root, os.path.dirname(util.LOGFILE))
         etcdir = os.path.join(self.root, os.path.dirname(util.PACCONF))
         bindir = os.path.join(self.root, "bin")
-        sbindir = os.path.join(self.root, "sbin")
+        ldconfig = os.path.basename(pacman["ldconfig"])
+        ldconfigdir = os.path.join(self.root, os.path.dirname(pacman["ldconfig"][1:]))
         shell = pacman["scriptlet-shell"][1:]
         shelldir = os.path.join(self.root, os.path.dirname(shell))
         sys_dirs = [dbdir, cachedir, syncdir, tmpdir, logdir, etcdir, bindir,
-                    sbindir, shelldir]
+                    ldconfigdir, shelldir]
         for sys_dir in sys_dirs:
             if not os.path.isdir(sys_dir):
                 vprint("\t%s" % sys_dir[len(self.root)+1:])
@@ -134,7 +135,7 @@ def generate(self, pacman):
         if shell != "bin/sh":
             shutil.copy("/bin/sh", os.path.join(self.root, shell))
         shutil.copy(os.path.join(util.SELFPATH, "ldconfig.stub"),
-            os.path.join(sbindir, "ldconfig"))
+            os.path.join(ldconfigdir, ldconfig))
         ld_so_conf = open(os.path.join(etcdir, "ld.so.conf"), "w")
         ld_so_conf.close()