From 0171dfeb0d029dfa1669959212531bdf7c6f4e52 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E3=82=B7=E3=83=BC=E3=81=AF=E3=83=87=E3=82=A3=E3=83=BC?=
 =?UTF-8?q?=E5=9B=9B=E3=82=92=E5=8F=96=E3=82=8B?=
 <1396303+cxd4@users.noreply.github.com>
Date: Mon, 26 May 2025 17:42:16 -0400
Subject: [PATCH] Implement non-Windows codepaths in GNU Makefile

---
 Makefile | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Makefile b/Makefile
index f4f18ba..6414aaa 100644
--- a/Makefile
+++ b/Makefile
@@ -34,14 +34,29 @@ BASICOPTS = -g -D_DEBUG
 BUILD_TYPE = Debug
 endif
 
+# Establish MinGW port prefix for Microsoft Windows 2000, XP, Vista, 7, 10 and still running...
+ifeq ($(OS),Windows_NT)
 BUILD_PREFIX = i686-w64-mingw32-
+endif
+
 CC = $(BUILD_PREFIX)gcc
 CXX = $(BUILD_PREFIX)g++
 WINDRES = $(BUILD_PREFIX)windres
+
 COMMON_FLAGS = -msse2 -DSSE2_SUPPORT -mstackrealign -I"3rd Party/directx/include" -I"3rd Party" -Wall -Wno-attributes -Wno-unknown-pragmas # -D_WIN32_WINNT=0x0501 -DWINVER=0x0501
+ifeq ($(BUILD_ARCH),x86_64)
+ifneq ($(OS),Windows_NT)
+COMMON_FLAGS := -fPIC # position-independent code needed for 64-bit POSIX executables but not Windows builds
+endif
+endif
+
 CFLAGS = $(BASICOPTS) $(COMMON_FLAGS)
 CXXFLAGS = $(BASICOPTS) $(COMMON_FLAGS) $(CPPFLAGS)
+ifeq ($(OS),Windows_NT)
 LDFLAGS = -static-libstdc++ -static-libgcc -static -lole32 -lcomctl32 -lwinmm -ldsound -lksuser
+else
+LDFLAGS = -static-libstdc++ -static-libgcc -static # -lSDL[2]? -lopenal? -lpipewire?
+endif
 
 # Define the target directories.
 BINDIR=bin