From: Timo Heister <timo.heister@gmail.com>
Date: Mon, 15 Feb 2016 14:03:29 +0000 (-0500)
Subject: skip -pedantic if no cxx11
X-Git-Tag: v8.4.0-rc2~1^2~2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9f0cc7d4b8e5d0c7cefb5572ed3d375ffd9840f0;p=dealii.git

skip -pedantic if no cxx11
---

diff --git a/cmake/checks/check_03_compiler_bugs.cmake b/cmake/checks/check_03_compiler_bugs.cmake
index 03d63f6ab1..2971336755 100644
--- a/cmake/checks/check_03_compiler_bugs.cmake
+++ b/cmake/checks/check_03_compiler_bugs.cmake
@@ -61,6 +61,17 @@ IF(CMAKE_CXX_COMPILER_ID MATCHES "GNU" AND
 ENDIF()
 
 
+#
+# Newer gcc versions generate a large number of warnings inside boost if we
+# are compiling without cxx11 but with -pedantic and there is no way to
+# silence them.
+#
+IF(CMAKE_CXX_COMPILER_ID MATCHES "GNU" AND
+   NOT DEAL_II_WITH_CXX11)
+  STRIP_FLAG(DEAL_II_CXX_FLAGS "-pedantic")
+ENDIF()
+
+
 #
 # In some cases, we would like to name partial specializations
 # as friends. However, the standard forbids us to do so. But