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From: <sv...@va...> - 2013-10-08 13:04:15
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Author: florian
Date: Tue Oct 8 13:04:00 2013
New Revision: 13628
Log:
Add a specific configury check to test compilability of the
<thread> C++ header file by the selected compiler.
Suggested by Bart Van Assche.
Modified:
trunk/configure.ac
trunk/drd/tests/Makefile.am
Modified: trunk/configure.ac
==============================================================================
--- trunk/configure.ac (original)
+++ trunk/configure.ac Tue Oct 8 13:04:00 2013
@@ -1381,6 +1381,30 @@
])
+# Check whether compiler can process #include <thread> without errors
+# clang 3.3 cannot process <thread> from e.g.
+# gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
+
+AC_MSG_CHECKING([that C++ compiler can include <thread> header file])
+AC_LANG(C++)
+safe_CXXFLAGS=$CXXFLAGS
+CXXFLAGS=-std=c++0x
+
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([
+#include <thread>
+])],
+[
+ac_cxx_can_include_thread_header=yes
+AC_MSG_RESULT([yes])
+], [
+ac_cxx_can_include_thread_header=no
+AC_MSG_RESULT([no])
+])
+CXXFLAGS=$safe_CXXFLAGS
+AC_LANG(C)
+
+AM_CONDITIONAL(CXX_CAN_INCLUDE_THREAD_HEADER, test x$ac_cxx_can_include_thread_header = xyes)
+
#----------------------------------------------------------------------------
# Checking for supported compiler flags.
#----------------------------------------------------------------------------
Modified: trunk/drd/tests/Makefile.am
==============================================================================
--- trunk/drd/tests/Makefile.am (original)
+++ trunk/drd/tests/Makefile.am Tue Oct 8 13:04:00 2013
@@ -367,7 +367,7 @@
# clang 3.3 will generate errors about libstdc++ headers from
# gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
-if ! COMPILER_IS_CLANG
+if CXX_CAN_INCLUDE_THREAD_HEADER
if HAVE_SHARED_POINTER_ANNOTATION
check_PROGRAMS += \
std_thread
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