Fix sha1 build for Windows

This works at least when cross compiling.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

2 files changed, 7 insertions, 2 deletions

diff --git a/Makefile b/Makefile
index a6ed5792d..17b69e0aa 100644
--- a/Makefile
+++ b/Makefile
@@ -42,6 +42,7 @@ ifeq ($(CC), i686-w64-mingw32-gcc)
 	LIBDIVECOMPUTERARCHIVE = $(shell $(PKGCONFIG) --libs libdivecomputer)
 	RESFILE = packaging/windows/subsurface.res
 	LDFLAGS += -Wl,-subsystem,windows
+	LIBWINSOCK = -lwsock32
 else ifeq ($(UNAME), darwin)
 	LIBDIVECOMPUTERINCLUDES = $(shell $(PKGCONFIG) --cflags libdivecomputer)
 	LIBDIVECOMPUTERARCHIVE = $(shell $(PKGCONFIG) --libs libdivecomputer)
@@ -141,7 +142,7 @@ ifneq ($(strip $(LIBXSLT)),)
 	endif
 endif
 
-LIBS = $(LIBXML2) $(LIBXSLT) $(LIBGTK) $(LIBGCONF2) $(LIBDIVECOMPUTER) $(EXTRALIBS) $(LIBZIP) -lpthread -lm $(LIBOSMGPSMAP) $(LIBSOUP)
+LIBS = $(LIBXML2) $(LIBXSLT) $(LIBGTK) $(LIBGCONF2) $(LIBDIVECOMPUTER) $(EXTRALIBS) $(LIBZIP) -lpthread -lm $(LIBOSMGPSMAP) $(LIBSOUP) $(LIBWINSOCK)
 
 MSGLANGS=$(notdir $(wildcard po/*po))
 MSGOBJS=$(addprefix share/locale/,$(MSGLANGS:.po=.UTF-8/LC_MESSAGES/subsurface.mo))
diff --git a/sha1.c b/sha1.c
index 8d1938034..54aa4839f 100644
--- a/sha1.c
+++ b/sha1.c
@@ -8,8 +8,12 @@
 
 /* this is only to get definitions for memcpy(), ntohl() and htonl() */
 #include <string.h>
+#include <stdint.h>
+#ifdef WIN32
+#include <winsock2.h>
+#else
 #include <arpa/inet.h>
-
+#endif
 #include "sha1.h"
 
 #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))