From 4c0f75c2f634803d325f18df5f5a90f35905e3cc Mon Sep 17 00:00:00 2001
From: Egor Tensin <Egor.Tensin@gmail.com>
Date: Tue, 25 Oct 2016 05:25:12 +0300
Subject: add nrvo_by_default/

---
 nrvo_by_default/Makefile | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 nrvo_by_default/Makefile

(limited to 'nrvo_by_default/Makefile')

diff --git a/nrvo_by_default/Makefile b/nrvo_by_default/Makefile
new file mode 100644
index 0000000..f9fd487
--- /dev/null
+++ b/nrvo_by_default/Makefile
@@ -0,0 +1,26 @@
+# Builds rvo.cpp on various optimization levels supported by GCC.
+# The compiler is `g++` by default.
+# You can change the compiler to be used using the CXX variable.
+# For example, if you want to compile using `x86_64-w64-mingw32-g++`, run
+#
+#     > make CXX=x86_64-w64-mingw32-g++
+
+CXXFLAGS = -Wall -Wextra -DNDEBUG -std=c++11 -static-libgcc -static-libstdc++ -s
+
+optimization_levels = 0 1 2 3
+
+all::
+
+define make_target
+rvo.$(CXX).O$(1).exe: rvo.cpp
+	$(CXX) $(CXXFLAGS) -O$(1) $$< -o $$@
+
+all:: rvo.$(CXX).O$(1).exe
+endef
+
+$(foreach i,$(optimization_levels),$(eval $(call make_target,$(i))))
+
+.PHONY: clean-all
+
+clean-all:
+	$(RM) $(wildcard rvo.$(CXX).*.exe)
-- 
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