The pthread.h on Android has no definition for pthread_rwlock_t, which

makes the associated intercepts in Helgrind and DRD un-compilable.
Add a configure test for it, and use them to guard the aforementioned
intercepts.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11875 a5019735-40e9-0310-863c-91ae7b9d1cf9

1 files changed, 20 insertions, 0 deletions

diff --git a/configure.in b/configure.in
index 8f224231..1bcff1ec 100644
--- a/configure.in
+++ b/configure.in
@@ -846,6 +846,26 @@ AC_MSG_RESULT([no])
 ])
 
 
+# Check for PTHREAD_RWLOCK_T
+
+AC_MSG_CHECKING([for pthread_rwlock_t])
+
+AC_TRY_COMPILE(
+[
+#define _GNU_SOURCE
+#include <pthread.h>
+], [
+  pthread_rwlock_t rwl;
+],
+[
+AC_MSG_RESULT([yes])
+AC_DEFINE([HAVE_PTHREAD_RWLOCK_T], 1,
+          [Define to 1 if you have the `pthread_rwlock_t' type.])
+], [
+AC_MSG_RESULT([no])
+])
+
+
 # Check for PTHREAD_MUTEX_ADAPTIVE_NP
 
 AC_MSG_CHECKING([for PTHREAD_MUTEX_ADAPTIVE_NP])