src: add -std=c++11 to C++ build flags

Certain distributions like to ship ancient relics for compilers.
Fixes #31.

Signed-off-by: Omar Sandoval <osandov@fb.com>

diff --git a/src/Makefile b/src/Makefile
index da6b7ef1b15a5230ba08371ce81afef3340d49b3..f89f61701179c271d777b82bad62a9df61962164 100644 (file)
--- a/src/Makefile
+++ b/src/Makefile
@@ -12,7 +12,7 @@ CXX_TARGETS := \
 TARGETS := $(C_TARGETS) $(CXX_TARGETS)
 
 CFLAGS := -O2 -Wall
-CXXFLAGS := -O2 -Wall -Wextra -Wno-sign-compare -Werror
+CXXFLAGS := -O2 -std=c++11 -Wall -Wextra -Wno-sign-compare -Werror
 
 all: $(TARGETS)