[libcalamares] Hit Boost warnings with a hammer

- Tons of warnings from Clang 9 in Boost::Python code, so
   turn of most of those warnings in the Boost-support code.

src/libcalamares/PythonJob.cpp

@@ -27,6 +27,8 @@
 #include <QDir>
 
 #undef slots
+#include "utils/boost-warnings.h"
+
 #include <boost/python.hpp>
 #include <boost/python/args.hpp>
 

src/libcalamares/PythonJobApi.h

@@ -25,8 +25,13 @@
 #include "PythonJob.h"
 
 #undef slots
+#include "utils/boost-warnings.h"
 #include <boost/python/dict.hpp>
 
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
 namespace CalamaresPython
 {
 

src/libcalamares/utils/boost-warnings.h

@@ -5,4 +5,26 @@
 #pragma clang diagnostic ignored "-Wzero-as-null-pointer-constant"
 #pragma clang diagnostic ignored "-Wextra-semi-stmt"
 #pragma clang diagnostic ignored "-Wall"
+#pragma clang diagnostic ignored "-Wimplicit-float-conversion"
+#pragma clang diagnostic ignored "-Wundef"
+#pragma clang diagnostic ignored "-Wdeprecated-dynamic-exception-spec"
+#pragma clang diagnostic ignored "-Wshadow-field-in-constructor"
+#pragma clang diagnostic ignored "-Wshadow"
+#pragma clang diagnostic ignored "-Wmissing-noreturn"
+#pragma clang diagnostic ignored "-Wcast-qual"
+#pragma clang diagnostic ignored "-Wcast-align"
+#pragma clang diagnostic ignored "-Wsign-conversion"
+#pragma clang diagnostic ignored "-Wdouble-promotion"
+#pragma clang diagnostic ignored "-Wredundant-parens"
+#pragma clang diagnostic ignored "-Wweak-vtables"
+#pragma clang diagnostic ignored "-Wdeprecated"
+#pragma clang diagnostic ignored "-Wmissing-field-initializers"
+#pragma clang diagnostic ignored "-Wdisabled-macro-expansion"
+#pragma clang diagnostic ignored "-Wdocumentation"
+#pragma clang diagnostic ignored "-Wcomma"
+#pragma clang diagnostic ignored "-Wunused-parameter"
+#pragma clang diagnostic ignored "-Wunused-template"
+
+// Actually for Python headers
+#pragma clang diagnostic ignored "-Wreserved-id-macro"
 #endif