Hack to compile on systems that have but don't declare pthread_mutexattr_settype.

git-svn-id: http://voip.null.ro/svn/yate@135 acf43c95-373e-0410-b603-e72c3f656dc1

Makefile.in

@@ -202,6 +202,9 @@ Engine.o: @srcdir@/Engine.cpp $(MKDEPS) @srcdir@/telengine.h yateversn.h yatepat
 DataBlock.o: @srcdir@/DataBlock.cpp $(MKDEPS) @srcdir@/telengine.h @srcdir@/telephony.h
 	$(COMPILE) -c $<
 
+Mutex.o: @srcdir@/Mutex.cpp $(MKDEPS) @srcdir@/telengine.h
+	$(COMPILE) @MUTEX_HACK@ -c $<
+
 %.o: @srcdir@/%.cpp $(MKDEPS) @srcdir@/telengine.h
 	$(COMPILE) -c $<
 

autogen.sh

@@ -11,4 +11,4 @@ else
     fi
 fi
 
-autoconf
+autoconf && echo "Finished! Now run configure. If in doubt run ./configure --help"

configure.in

@@ -47,7 +47,32 @@ AC_CACHE_SAVE
 
 # Checks for required libraries.
 AC_CHECK_LIB([dl], [dlopen], , [AC_MSG_ERROR([This library is required.])])
-AC_CHECK_LIB([pthread], [pthread_create], , [AC_MSG_ERROR([This library is required.])])
+AC_CHECK_LIB([pthread], [pthread_mutexattr_settype], , [AC_MSG_ERROR([This library is required.])])
+
+MUTEX_HACK=""
+AC_MSG_CHECKING([for pthread_mutexattr_settype declaration])
+AC_LANG_SAVE
+AC_LANG_C
+SAVE_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Wall -Werror"
+AC_TRY_COMPILE([],[
+#include <unistd.h>
+#include <pthread.h>
+void f(void){
+pthread_mutexattr_t attr;
+pthread_mutexattr_settype(&attr,PTHREAD_MUTEX_RECURSIVE_NP);
+}
+],
+have_mutex_settype="yes",
+have_mutex_settype="no"
+)
+CFLAGS="$SAVE_CFLAGS"
+AC_LANG_RESTORE
+if [[ "$have_mutex_settype" = "no" ]]; then
+MUTEX_HACK="-DMUTEX_HACK"
+fi
+AC_MSG_RESULT([$have_mutex_settype])
+AC_SUBST(MUTEX_HACK)
 
 # Check for compile options
 INLINE_FLAGS=""

engine/Mutex.cpp

@@ -25,6 +25,12 @@
 #include <unistd.h>
 #include <pthread.h>
 
+#ifdef MUTEX_HACK
+extern "C" {
+extern int pthread_mutexattr_settype(pthread_mutexattr_t *__attr, int __kind)  __THROW;
+}
+#endif
+
 namespace TelEngine {
 
 class MutexPrivate {