From 28693db66c42bf48b9d748aba869d4fe149b6b44 Mon Sep 17 00:00:00 2001
From: Andres Noetzli <andres.noetzli@gmail.com>
Date: Sun, 16 Jul 2017 12:22:32 -0400
Subject: Use CXXFLAGS when compiling parsers (#197)

ANTLR generates C files that we compile with the C++ compiler.
To do so, we set CC=CXX in the `Makefile.am`s of the parsers.
Previously, we did not copy the CXXFLAGS to the CFLAGS, which
could result in problems, e.g. when using -std=gnu++11 in the
CXXFLAGS, compiling the parsers would fail if they used C++11
features (configure.ac usually modifies CXX to include the
-std=gnu++11 flag but if it is included in CXXFLAGS, the CXX
is not changed).
---
 src/parser/cvc/Makefile.am  | 3 ++-
 src/parser/smt1/Makefile.am | 1 +
 src/parser/smt2/Makefile.am | 1 +
 src/parser/tptp/Makefile.am | 1 +
 4 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/parser/cvc/Makefile.am b/src/parser/cvc/Makefile.am
index 8f084ba34..ff3308d89 100644
--- a/src/parser/cvc/Makefile.am
+++ b/src/parser/cvc/Makefile.am
@@ -4,8 +4,9 @@ AM_CPPFLAGS = \
 AM_CXXFLAGS = -Wall -Wno-unknown-pragmas $(FLAG_VISIBILITY_HIDDEN) $(WNO_PARENTHESES) $(WNO_TAUTOLOGICAL_COMPARE) -Wno-unused-function -Wno-unused-variable $(WNO_UNINITIALIZED) $(WNO_CONVERSION_NULL)
 
 # Compile generated C files using C++ compiler
-CC=$(CXX)
 AM_CFLAGS = $(AM_CXXFLAGS)
+CFLAGS=$(CXXFLAGS)
+CC=$(CXX)
 
 ANTLR_OPTS =
 
diff --git a/src/parser/smt1/Makefile.am b/src/parser/smt1/Makefile.am
index ae49d0659..f5320002d 100644
--- a/src/parser/smt1/Makefile.am
+++ b/src/parser/smt1/Makefile.am
@@ -5,6 +5,7 @@ AM_CXXFLAGS = -Wall -Wno-unknown-pragmas $(FLAG_VISIBILITY_HIDDEN) $(WNO_PARENTH
 
 # Compile generated C files using C++ compiler
 AM_CFLAGS = $(AM_CXXFLAGS)
+CFLAGS=$(CXXFLAGS)
 CC=$(CXX)
 
 ANTLR_OPTS =
diff --git a/src/parser/smt2/Makefile.am b/src/parser/smt2/Makefile.am
index fece5e5e8..995e442e6 100644
--- a/src/parser/smt2/Makefile.am
+++ b/src/parser/smt2/Makefile.am
@@ -5,6 +5,7 @@ AM_CXXFLAGS = -Wall -Wno-unknown-pragmas $(FLAG_VISIBILITY_HIDDEN) $(WNO_PARENTH
 
 # Compile generated C files using C++ compiler
 AM_CFLAGS = $(AM_CXXFLAGS)
+CFLAGS=$(CXXFLAGS)
 CC=$(CXX)
 
 ANTLR_OPTS =
diff --git a/src/parser/tptp/Makefile.am b/src/parser/tptp/Makefile.am
index eab01103f..43bbc595d 100644
--- a/src/parser/tptp/Makefile.am
+++ b/src/parser/tptp/Makefile.am
@@ -5,6 +5,7 @@ AM_CXXFLAGS = -Wall -Wno-unknown-pragmas $(FLAG_VISIBILITY_HIDDEN) $(WNO_PARENTH
 
 # Compile generated C files using C++ compiler
 AM_CFLAGS = $(AM_CXXFLAGS)
+CFLAGS=$(CXXFLAGS)
 CC=$(CXX)
 
 ANTLR_OPTS =
-- 
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