Cross-Compile for Windows

Makefile

@@ -1,5 +1,16 @@
+ifeq ($(ARCH),win)
+GCC := i486-mingw32-gcc
+FLAGS := 
+OUTPUT := sudokuloeser.exe
+else
+GCC := gcc
+FLAGS := -lrt
+OUTPUT := sudokuloeser
+endif
+
+
 sudokuloeser: input.o input_nstd.o main.o output.o output_nstd.o output_std.o solver.o solver_nstd.o solver_std.o html.o
-	gcc -lrt -o sudokuloeser input.o input_nstd.o main.o output.o output_nstd.o output_std.o solver.o solver_nstd.o solver_std.o html.o
+	${GCC} ${FLAGS} -o ${OUTPUT} input.o input_nstd.o main.o output.o output_nstd.o output_std.o solver.o solver_nstd.o solver_std.o html.o
 
 install: sudokuloeser
 	install -vDm755 sudokuloeser /usr/bin/sudokuloeser
@@ -8,25 +19,25 @@ uninstall:
 	rm /usr/bin/sudokuloeser
 
 input.o: input.c input.h types.h
-	gcc -Wall -pedantic -c input.c
+	${GCC} -Wall -pedantic -c input.c
 input_nstd.o: input_nstd.c input_nstd.h types.h
-	gcc -Wall -pedantic -c input_nstd.c
+	${GCC} -Wall -pedantic -c input_nstd.c
 main.o: main.c main.h types.h input.h input_nstd.h solver.h solver_std.h solver_nstd.h output.h output_std.h output_nstd.h html.h
-	gcc -Wall -pedantic -c main.c
+	${GCC} -Wall -pedantic -c main.c
 output.o: output.c output.h types.h
-	gcc -Wall -pedantic -c output.c
+	${GCC} -Wall -pedantic -c output.c
 output_nstd.o: output_nstd.c output_nstd.h types.h
-	gcc -Wall -pedantic -c output_nstd.c
+	${GCC} -Wall -pedantic -c output_nstd.c
 output_std.o: output_std.c output_std.h types.h
-	gcc -Wall -pedantic -c output_std.c
+	${GCC} -Wall -pedantic -c output_std.c
 solver.o: solver.c solver.h types.h
-	gcc -Wall -pedantic -c solver.c
+	${GCC} -Wall -pedantic -c solver.c
 solver_nstd.o: solver_nstd.c solver_nstd.h types.h
-	gcc -Wall -pedantic -c solver_nstd.c
+	${GCC} -Wall -pedantic -c solver_nstd.c
 solver_std.o: solver_std.c solver_std.h types.h
-	gcc -Wall -pedantic -c solver_std.c
+	${GCC} -Wall -pedantic -c solver_std.c
 html.o: html.c html.h types.h
-	gcc -Wall -pedantic -c html.c
+	${GCC} -Wall -pedantic -c html.c
 
 clean:
 	rm -vf *.o

README.md

@@ -1,8 +1,10 @@
-# About
+# sudokuloeser
+
+## About
 
 sudokuloeser is a simple sudoku solver written in C. It is optimized for speed.
 
-# Features
+## Features
 
 With sudokuloeser you can easily solve sudokus.
 
@@ -10,18 +12,19 @@ Optional you can specify a file, where to save the solution.
 
 For better usage the Output is colored.
 
-# Requirements
+## Requirements
 
 * Linux
-* Windows: some restrictions
+* Windows: some restrictions  
+  `make ARCH=win`
 * C Compiler
 
-# Installation
+## Installation
 
     make
     make install
 
-# Usage
+## Usage
 
     Usage:
       ./sudokuloeser [options] <input_file>

main.c

@@ -253,9 +253,9 @@ void print_help(int argc, char **argv) {
 	printf("  white:      Values find by backtracking\n\n");
 	printf("By Thomas Battermann\n");
 #else
-printf("\033[0;1mUsage:\033[0m\n");
+printf("Usage:\n");
 	printf("  %s [options] <input_file>\n",argv[0]);
-	printf("\033[0;1mOptions\033[0m\n");
+	printf("Options\n");
 	printf("  -U         Unicode borders\n");
 	printf("  -h         This help\n");
 	printf("  -H         HTML-Output\n");
@@ -264,11 +264,7 @@ printf("\033[0;1mUsage:\033[0m\n");
 	printf("  -O <file>  Overlay for non-standard files\n");
 	printf("  -p         Plaintext\n");
 	printf("  -n         Dont solve, just print\n");
-	printf("  -s         silent\n");
-	printf("\033[0;1mOutput:\033[0m\n");
-	printf("  \033[32;1mgreen:\033[0m     Given values\n");
-	printf("  \033[33;1myellow:\033[0m      Values find by logic\n");
-	printf("  white:      Values find by backtracking\n\n");
+	printf("  -s         silent\n\n");
 	printf("By Thomas Battermann\n");
 #endif
 }