From e5d087c75c17fe8499a37f1e9fa09bf761b5adae Mon Sep 17 00:00:00 2001
From: Diego Argueta <dargueta@users.noreply.github.com>
Date: Sat, 21 Sep 2024 06:29:20 -0700
Subject: [PATCH] Fix C++ flags on MacOS

---
 Makefile                 | 32 +++++++++++++++++---------------
 unicorn-2.2.1-1.rockspec |  9 ++++++++-
 2 files changed, 25 insertions(+), 16 deletions(-)

diff --git a/Makefile b/Makefile
index 9b14d075..87451f13 100644
--- a/Makefile
+++ b/Makefile
@@ -11,21 +11,23 @@
 LUAROCKS = luarocks
 get_luarocks_var = $(shell $(LUAROCKS) config variables.$1)
 
-BUSTED := $(call get_luarocks_var,SCRIPTS_DIR)/busted
-CC := $(call get_luarocks_var,CC)
-CXXFLAGS := $(call get_luarocks_var,CFLAGS)
-CURL := $(call get_luarocks_var,CURL)
-LD := $(call get_luarocks_var,LD)
-LIBFLAG := $(call get_luarocks_var,LIBFLAG)
-LIB_EXTENSION := $(call get_luarocks_var,LIB_EXTENSION)
-LUA := $(call get_luarocks_var,LUA)
-LUA_DIR := $(call get_luarocks_var,LUA_DIR)
-LUA_INCDIR := $(call get_luarocks_var,LUA_INCDIR)
-LUA_LIBDIR := $(call get_luarocks_var,LUA_LIBDIR)
-LUA_VERSION := $(call get_luarocks_var,LUA_VERSION)
-MKDIR := $(call get_luarocks_var,MKDIR)
-OBJ_EXTENSION := $(call get_luarocks_var,OBJ_EXTENSION)
-UNICORN_INCDIR = /usr/include
+ifndef CALLED_FROM_LUAROCKS
+    BUSTED := $(call get_luarocks_var,SCRIPTS_DIR)/busted
+    CC := $(call get_luarocks_var,CC)
+    CXXFLAGS := $(call get_luarocks_var,CFLAGS)
+    CURL := $(call get_luarocks_var,CURL)
+    LD := $(call get_luarocks_var,LD)
+    LIBFLAG := $(call get_luarocks_var,LIBFLAG)
+    LIB_EXTENSION := $(call get_luarocks_var,LIB_EXTENSION)
+    LUA := $(call get_luarocks_var,LUA)
+    LUA_DIR := $(call get_luarocks_var,LUA_DIR)
+    LUA_INCDIR := $(call get_luarocks_var,LUA_INCDIR)
+    LUA_LIBDIR := $(call get_luarocks_var,LUA_LIBDIR)
+    LUA_VERSION := $(call get_luarocks_var,LUA_VERSION)
+    MKDIR := $(call get_luarocks_var,MKDIR)
+    OBJ_EXTENSION := $(call get_luarocks_var,OBJ_EXTENSION)
+    UNICORN_INCDIR = /usr/include
+endif
 
 ################################################################################
 
diff --git a/unicorn-2.2.1-1.rockspec b/unicorn-2.2.1-1.rockspec
index 38be1c80..7589a11f 100644
--- a/unicorn-2.2.1-1.rockspec
+++ b/unicorn-2.2.1-1.rockspec
@@ -57,12 +57,14 @@ test = {
         "LUAROCKS=$(SCRIPTS_DIR)/luarocks",
         "OBJ_EXTENSION=$(OBJ_EXTENSION)",
         "MKDIR=$(MKDIR)",
-        -- The following are needed but not provided by LuaRocks
+        -- The following are needed for building the tests, but aren't provided by
+        -- LuaRocks when testing.
         "LUA_INCDIR=$(LUA_DIR)/include",
         "LUA_LIBDIR=$(LUA_DIR)/lib",
         -- "UNICORN_INCDIR=$(UNICORN_INCDIR)",
         -- "UNICORN_LIBDIR=$(UNICORN_LIBDIR)",
         -- "PTHREAD_LIBDIR=$(PTHREAD_LIBDIR)",
+        "CALLED_FROM_LUAROCKS=1",
     },
 }
 
@@ -78,6 +80,7 @@ build = {
         LUAROCKS = "$(SCRIPTS_DIR)/luarocks",
         OBJ_EXTENSION = "$(OBJ_EXTENSION)",
         LUA_VERSION = "$(LUA_VERSION)",
+        CALLED_FROM_LUAROCKS = "1",
     },
     build_variables = {
         CC = "$(CC)",
@@ -97,3 +100,7 @@ build = {
         INST_LIBDIR = "$(LIBDIR)",
     },
 }
+
+-- Clang on MacOS needs to be explicitly told to use the C++11 standard, since it defaults
+-- to C++03 or thereabouts.
+build.platforms.macos.build_variables.CXXFLAGS = "$(CFLAGS) -std=c++11"