From f9e1e76011236f05d6e2c3b62e2ae2969c64f808 Mon Sep 17 00:00:00 2001
From: admin <contact@optics-design.com>
Date: Sat, 24 May 2025 17:38:59 +0200
Subject: Adjusted files for cross-compilation on Linux

---
 Makefile | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 83 insertions(+), 10 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index d192768..dc5f750 100644
--- a/Makefile
+++ b/Makefile
@@ -1,31 +1,104 @@
 CC=gcc
+# Cross-compilation (only used on Linux)
+MINGW_CC=x86_64-w64-mingw32-gcc
+
 #Base Directories
 SRCDIR=src
 BINDIR=bin
+BINDIR_WIN=bin/win
 INCDIR=include
 
 #Common flags
-CFLAGS=-I$(INCDIR) -O2 -march=native -flto #-ffast-math
+CFLAGS_BASE=-I$(INCDIR) -O2 -flto
+CFLAGS_NATIVE=$(CFLAGS_BASE) -march=native #-ffast-math
+CFLAGS_PORTABLE=$(CFLAGS_BASE) #-ffast-math (no -march=native for portability)
+
+# OS Detection
+ifeq ($(OS),Windows_NT)
+    # Windows host
+    EXE_EXT=.exe
+    MKDIR=mkdir
+    RM=del /Q
+    LDFLAGS=
+    TREE_CMD=powershell -Command "(Get-Item .).Name | Set-Content structure.txt; (tree /a /f | Select-Object -Skip 3) | Add-Content structure.txt"
+    
+    # On Windows: compile Windows binaries without -march=native for portability
+    NATIVE_CC=$(CC)
+    NATIVE_CFLAGS=$(CFLAGS_PORTABLE)
+    NATIVE_LDFLAGS=$(LDFLAGS)
+    NATIVE_EXT=.exe
+else
+    # Linux host
+    EXE_EXT=
+    MKDIR=mkdir -p
+    RM=rm -f
+    LDFLAGS=-lm
+    TREE_CMD=basename $(PWD) > structure.txt; tree -a -F >> structure.txt 2>/dev/null || (find . -type f -name "*.c" -o -name "*.h" -o -name "Makefile" | sort >> structure.txt)
+    
+    # On Linux: compile Linux binaries with -march=native for performance
+    NATIVE_CC=$(CC)
+    NATIVE_CFLAGS=$(CFLAGS_NATIVE)
+    NATIVE_LDFLAGS=$(LDFLAGS)
+    NATIVE_EXT=
+endif
+
 #tolutils
-TOL_SRCS =  $(wildcard $(SRCDIR)/*.c)
-TOL_EXES = $(patsubst $(SRCDIR)/%.c, $(BINDIR)/%.exe, $(TOL_SRCS))
+TOL_SRCS = $(wildcard $(SRCDIR)/*.c)
+TOL_EXES_NATIVE = $(patsubst $(SRCDIR)/%.c, $(BINDIR)/%$(NATIVE_EXT), $(TOL_SRCS))
+TOL_EXES_WIN = $(patsubst $(SRCDIR)/%.c, $(BINDIR_WIN)/%.exe, $(TOL_SRCS))
 
 # Setup target
 setup:
-	mkdir -p $(BINDIR) $(INCDIR)
+	$(MKDIR) $(BINDIR) $(INCDIR)
 
+setup-cross:
+	$(MKDIR) $(BINDIR) $(BINDIR_WIN) $(INCDIR)
+
+# Default: build for current platform
 all: setup tolsac structure
 
-tolsac: $(TOL_EXES)
-$(BINDIR)/%.exe: $(SRCDIR)/%.c
-	$(CC) $< $(CFLAGS) -o $@
+# Build for current platform (native)
+tolsac: $(TOL_EXES_NATIVE)
+
+# Native compilation rule
+$(BINDIR)/%$(NATIVE_EXT): $(SRCDIR)/%.c
+	$(NATIVE_CC) $< $(NATIVE_CFLAGS) -o $@ $(NATIVE_LDFLAGS)
+
+# Cross-compilation targets (Linux host only)
+ifneq ($(OS),Windows_NT)
+tolsac-win: setup-cross $(TOL_EXES_WIN)
+tolsac-all: tolsac tolsac-win
+rebuild-win: clean tolsac-win
+rebuild-all: clean tolsac-all
+
+$(BINDIR_WIN)/%.exe: $(SRCDIR)/%.c
+	$(MINGW_CC) $< $(CFLAGS_PORTABLE) -o $@
+else
+# On Windows, provide helpful messages for cross-compilation targets
+tolsac-win:
+	@echo "Cross-compilation to Windows not needed on Windows host. Use 'make tolsac' instead."
+
+tolsac-all: tolsac
+	@echo "On Windows host: built Windows binaries (cross-compilation not applicable)."
+
+rebuild-win: rebuild
+	@echo "On Windows host: rebuilt Windows binaries."
+
+rebuild-all: rebuild
+	@echo "On Windows host: rebuilt Windows binaries."
+endif
 
 clean:
-	rm -f $(BINDIR)/*
-	rm -f structure.txt
+	$(RM) $(BINDIR)/*
+ifneq ($(OS),Windows_NT)
+	$(RM) $(BINDIR_WIN)/*
+endif
+	$(RM) structure.txt
 
 rebuild: clean all
 
 # Generate project structure
 structure:
-	@powershell -Command "(Get-Item .).Name | Set-Content structure.txt; (tree /a /f | Select-Object -Skip 3) | Add-Content structure.txt"
+	@$(TREE_CMD)
+
+.PHONY: all setup setup-cross tolsac tolsac-win tolsac-all clean rebuild rebuild-win rebuild-all structure
-- 
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