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-rw-r--r--configure.ac12
-rw-r--r--src/sss_client/common.c3
2 files changed, 15 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 248a9ae3b..770371d54 100644
--- a/configure.ac
+++ b/configure.ac
@@ -177,6 +177,18 @@ AC_CHECK_HEADERS([sys/inotify.h])
AC_CHECK_HEADERS([sasl/sasl.h],,AC_MSG_ERROR([Could not find SASL headers]))
+AC_CACHE_CHECK([whether compiler supports __attribute__((destructor))],
+ sss_client_cv_attribute_destructor,
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE([__attribute__((destructor)) static void cleanup(void) { }])],
+ sss_client_cv_attribute_destructor=yes)
+ ])
+
+if test x"$sss_client_cv_attribute_destructor" = xyes ; then
+ AC_DEFINE(HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR, 1,
+ [whether compiler supports __attribute__((destructor))])
+fi
+
PKG_CHECK_MODULES([CHECK], [check >= 0.9.5], [have_check=1], [have_check=])
if test x$have_check = x; then
AC_MSG_WARN([Without the 'CHECK' libraries, you will be unable to run all tests in the 'make check' suite])
diff --git a/src/sss_client/common.c b/src/sss_client/common.c
index b60330559..55e393e57 100644
--- a/src/sss_client/common.c
+++ b/src/sss_client/common.c
@@ -53,6 +53,9 @@
int sss_cli_sd = -1; /* the sss client socket descriptor */
struct stat sss_cli_sb; /* the sss client stat buffer */
+#if HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR
+__attribute__((destructor))
+#endif
static void sss_cli_close_socket(void)
{
if (sss_cli_sd != -1) {