File: honor-cppflags.patch

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octave-level-set 0.3.1~git.2019.04.13-8
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Description: Honor the CPPFLAGS environment variable
 This is required in Debian, such that hardening flags like
 -D_FORTIFY_SOURCE=2 are used in the compilation of C++ files.
Author: Rafael Laboissière <rafael@debian.org>
Forwarded: https://savannah.gnu.org/bugs/index.php?61475
Last-Update: 2021-11-13

--- octave-level-set-0.3.1~git.2019.04.13.orig/src/Makefile.in
+++ octave-level-set-0.3.1~git.2019.04.13/src/Makefile.in
@@ -51,7 +51,7 @@ clean:
 	rm -f *.o *.oct $(TESTS)
 
 $(ALGO_OBJECTS): %.o: %.cpp $(HEADERS)
-	$(CXX) $(FULL_CXXFLAGS) $(EXTRA_FLAGS) -c $< -o $@
+	$(CXX) $(CPPFLAGS) $(FULL_CXXFLAGS) $(EXTRA_FLAGS) -c $< -o $@
 
 $(OCT_OBJECTS): %.o: %.cpp $(HEADERS)
 	$(MKOCT) -c $< -o $@