commit eff41e6dc73e6f38e50296d1579372f7527fb84b
Author: Nicolas Morey-Chaisemartin <NMoreyChaisemartin@suse.com>
Date:   Wed Aug 9 17:31:57 2017 +0200

    Fix gcc7 and gcc8
    
    Fix compilation errors for GCC7 and GCC8
    
    Signed-off-by: Nicolas Morey-Chaisemartin <NMoreyChaisemartin@suse.com>

diff --git configure.ac configure.ac
index 1aa9d36d5356..ca08a19c8805 100644
--- configure.ac
+++ configure.ac
@@ -164,16 +164,21 @@ AS_IF([test "x$enable_dynamic_ld" = "xyes"], [
 ])
 
 CFLAGS="$CFLAGS -Werror -DMST_UL"
+CPPFLAGS="$CPPFLAGS -DMST_UL"
 CXXFLAGS="$CXXFLAGS -Werror -DMST_UL"
 
 AC_CONFIG_FILES( mstflint.spec )
 
 #Check for new ignore flags needed for GCC >= 7
+AX_CHECK_COMPILE_FLAG([-Wno-implicit-fallthrough], [CPPFLAGS="$CPPFLAGS -Wno-implicit-fallthrough"], [], [])
+AX_CHECK_COMPILE_FLAG([-Wno-format-overflow], [CPPFLAGS="$CPPFLAGS -Wno-format-overflow"], [], [])
+AX_CHECK_COMPILE_FLAG([-Wno-cast-function-type], [CPPFLAGS="$CPPFLAGS -Wno-cast-function-type"], [], [])
+
+AC_LANG_PUSH([C++])
 AX_CHECK_COMPILE_FLAG([-Wno-implicit-fallthrough], [CXXFLAGS="$CXXFLAGS -Wno-implicit-fallthrough"], [], [])
-AX_CHECK_COMPILE_FLAG([-Wno-format-overflow], [CFLAGS="$CFLAGS -Wno-format-overflow"], [], [])
-AX_CHECK_COMPILE_FLAG([-Wno-implicit-fallthrough], [CFLAGS="$CFLAGS -Wno-implicit-fallthrough"], [], [])
 AX_CHECK_COMPILE_FLAG([-Wno-format-overflow], [CXXFLAGS="$CXXFLAGS -Wno-format-overflow"], [], [])
-
+AX_CHECK_COMPILE_FLAG([-Wno-class-memaccess], [CXXFLAGS="$CXXFLAGS -Wno-class-memaccess"], [], [])
+AC_LANG_POP([C++])
 
 TOOLS_BUILD_TIME=`date  +"%b %d %Y\, %H:%M:%S"`
 AC_SUBST(TOOLS_BUILD_TIME)