Support win32 mingw cross-compile in make

Required a slight mod to Windows.h to be lower case so it works on Linux
mingw. Turns out it's case-insensitive on Windows MSVC/MSYS.

2 files changed, 6 insertions, 1 deletions

diff --git a/Makefile b/Makefile
index 947ba94..6a6a2b7 100644
--- a/Makefile
+++ b/Makefile
@@ -4,11 +4,16 @@ PREFIX = $(HOME)/.local
 CC = gcc
 CFLAGS += -std=c99 -Wall -Wextra -Wshadow -pedantic
 
+CC_WIN32 = i686-w64-mingw32-gcc
+
 default: $(NAME)
 
 $(NAME): $(NAME).c config.h
 	$(CC) $(CFLAGS) -o $(NAME) $(NAME).c
 
+$(NAME).exe: $(NAME).c config.h
+	$(CC_WIN32) $(CFLAGS) -o $(NAME).exe $(NAME).c
+
 install: $(NAME)
 	install -d $(DESTDIR)$(PREFIX)/bin/
 	install -m 755 $(NAME) $(DESTDIR)$(PREFIX)/bin/
diff --git a/passgen.c b/passgen.c
index 09193ae..ff587fc 100644
--- a/passgen.c
+++ b/passgen.c
@@ -27,7 +27,7 @@
 #endif
 #elif defined (USE_WINCRYPT)
 #   define WIN32_LEAN_AND_MEAN
-#   include <Windows.h>
+#   include <windows.h>
 #   include <wincrypt.h>
 #else
 #   include <time.h>