bring back compile-option checking when loading modules, only this time use a string-based storage and comparison mechanism because it is easier to support on other platforms

git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@89461 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 9 insertions, 0 deletions

diff --git a/main/loader.c b/main/loader.c
index 7df486251..6522f01bf 100644
--- a/main/loader.c
+++ b/main/loader.c
@@ -76,6 +76,8 @@ static unsigned char expected_key[] =
 { 0x87, 0x76, 0x79, 0x35, 0x23, 0xea, 0x3a, 0xd3,
   0x25, 0x2a, 0xbb, 0x35, 0x87, 0xe4, 0x22, 0x24 };
 
+static char buildopt_sum[33] = AST_BUILDOPT_SUM;
+
 static unsigned int embedding = 1; /* we always start out by registering embedded modules,
 				      since they are here before we dlopen() any
 				   */
@@ -613,6 +615,13 @@ static unsigned int inspect_module(const struct ast_module *mod)
 		return 1;
 	}
 
+	if (!ast_strlen_zero(mod->info->buildopt_sum) &&
+	    strcmp(buildopt_sum, mod->info->buildopt_sum)) {
+		ast_log(LOG_WARNING, "Module '%s' was not compiled with the same compile-time options as this version of Asterisk.\n", mod->resource);
+		ast_log(LOG_WARNING, "Module '%s' will not be initialized as it may cause instability.\n", mod->resource);
+		return 1;
+	}
+
 	return 0;
 }