refactor(macros): added macros class

macros provides a unified place to define macros which can be accessed at other points in the code. I defined a DEPRICATION_WARNING_OFF macro so we can disable those warnings for times when we cannot control them

src/poly/solver/meson.build

@@ -10,7 +10,7 @@ libPolySolver = static_library('polySolver',
   polySolver_sources,
   include_directories : include_directories('./public'),
   cpp_args: ['-fvisibility=default'],
-  dependencies: [mfem_dep, meshio_dep, polycoeff_dep, polyutils_dep],
+  dependencies: [mfem_dep, meshio_dep, polycoeff_dep, polyutils_dep, warning_control_dep],
   install: true
 )
 
@@ -18,5 +18,5 @@ polysolver_dep = declare_dependency(
   include_directories : include_directories('./public'),
   link_with : libPolySolver,
   sources : polySolver_sources,
-  dependencies : [mfem_dep, meshio_dep, polycoeff_dep, polyutils_dep]
+  dependencies : [mfem_dep, meshio_dep, polycoeff_dep, polyutils_dep, warning_control_dep]
 )

src/poly/utils/meson.build

@@ -12,7 +12,7 @@ libpolyutils = static_library('polyutils',
   polyutils_sources,
   include_directories : include_directories('./public'),
   cpp_args: ['-fvisibility=default'],
-  dependencies: [mfem_dep],
+  dependencies: [mfem_dep, warning_control_dep],
   install: true
 )
 
@@ -20,5 +20,5 @@ polyutils_dep = declare_dependency(
   include_directories : include_directories('./public'),
   link_with : libpolyutils,
   sources : polyutils_sources,
-  dependencies : [mfem_dep]
+  dependencies : [mfem_dep, warning_control_dep]
 )

src/resources/macros/meson.build

@@ -0,0 +1 @@
+warning_control_dep = declare_dependency(include_directories: include_directories('.'))

src/resources/macros/warning_control.h

@@ -0,0 +1,16 @@
+#ifndef WARNING_CONTROL_H
+#define WARNING_CONTROL_H
+
+#if defined(__GNUC__) || defined(__clang__)
+    #define DEPRECATION_WARNING_OFF _Pragma("GCC diagnostic push") \
+                                    _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
+    #define DEPRECATION_WARNING_ON  _Pragma("GCC diagnostic pop")
+#elif defined(_MSC_VER)
+    #define DEPRECATION_WARNING_OFF __pragma(warning(push)) __pragma(warning(disable: 4996))
+    #define DEPRECATION_WARNING_ON  __pragma(warning(pop))
+#else
+    #define DEPRECATION_WARNING_OFF
+    #define DEPRECATION_WARNING_ON
+#endif
+
+#endif // WARNING_CONTROL_H

src/resources/meson.build

@@ -1 +1,2 @@
-subdir('const')
+subdir('const')
+subdir('macros')