From: Timo Heister <timo.heister@gmail.com>
Date: Tue, 7 Jul 2020 12:12:09 +0000 (-0400)
Subject: teach expand_instantiations to deal with preprocessor defines
X-Git-Tag: v9.3.0-rc1~1324^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F10660%2Fhead;p=dealii.git

teach expand_instantiations to deal with preprocessor defines
---

diff --git a/cmake/scripts/expand_instantiations.cc b/cmake/scripts/expand_instantiations.cc
index 246ff2502e..0b91fc2e91 100644
--- a/cmake/scripts/expand_instantiations.cc
+++ b/cmake/scripts/expand_instantiations.cc
@@ -439,7 +439,17 @@ process_instantiations()
   //   for (X:Y; A:B) { INST }
   while (whole_file.size() != 0)
     {
+      // skip space, tabs, comments:
       skip_space(whole_file);
+
+      // output preprocessor defines as is:
+      if (has_prefix(whole_file, "#"))
+      {
+        std::cout << get_substring_with_delim(whole_file, "\n") << '\n';
+        skip_space(whole_file);
+        continue;
+      }
+
       if (!has_prefix(whole_file, "for"))
         {
           std::cerr << "Invalid instantiation list: missing 'for'" << std::endl;