Add SLiRP support to SheepShaver for Windows

SheepShaver/src/Windows/configure.ac

@@ -56,7 +56,10 @@ AC_CHECK_TYPES(loff_t)
 AC_TYPE_SIZE_T
 
 dnl Checks for library functions.
-AC_CHECK_FUNCS(exp2f log2f exp2 log2 trunc)
+AC_CHECK_FUNCS(strdup strerror)
+AC_CHECK_FUNCS(exp2f log2f exp2 log2)
+AC_CHECK_FUNCS(floorf roundf ceilf truncf)
+AC_CHECK_FUNCS(floor round ceil trunc)
 
 dnl Define a macro that translates a yesno-variable into a C macro definition
 dnl to be put into the config.h file
@@ -171,6 +174,19 @@ AC_EGREP_CPP(xyes,
 #endif
 ], [AC_MSG_RESULT(yes); HAVE_GCC30=yes], AC_MSG_RESULT(no))
 
+dnl Add -fno-strict-aliasing for slirp sources
+if [[ "x$HAVE_GCC30" = "xyes" ]]; then
+  SAVED_CFLAGS="$CFLAGS"
+  CFLAGS="$CFLAGS -fno-strict-aliasing"
+  AC_CACHE_CHECK([whether the compiler supports -fno-strict-aliasing],
+    ac_cv_gcc_no_strict_aliasing, [
+    AC_TRY_COMPILE([],[],
+      [ac_cv_gcc_no_strict_aliasing=yes; AC_SUBST(SLIRP_CFLAGS, "-fno-strict-aliasing")],
+      [ac_cv_gcc_no_strict_aliasing=no])
+  ])
+  CFLAGS="$SAVED_CFLAGS"
+fi
+
 dnl CPU emulator sources
 CPUSRCS="\
   ../kpx_cpu/src/mathlib/ieeefp.cpp \

SheepShaver/src/Windows/user_strings_windows.cpp

@@ -38,6 +38,7 @@ user_string_def platform_strings[] = {
 	{STR_DR_EMULATOR_MMAP_ERR, "Cannot map DR Emulator: %s."},
 	{STR_SHEEP_MEM_MMAP_ERR, "Cannot map SheepShaver Data area: %s."},
 	{STR_NO_XVISUAL_ERR, "Cannot obtain appropriate X visual."},
+	{STR_SLIRP_NO_DNS_FOUND_WARN, "Cannot get DNS address. Ethernet will not be available."},
 	{STR_NO_AUDIO_WARN, "No audio device found, audio output will be disabled."},
 	{STR_KEYCODE_FILE_WARN, "Cannot open keycode translation file %s (%s)."},
 	{STR_KEYCODE_VENDOR_WARN, "Cannot find vendor '%s' in keycode translation file %s."},

SheepShaver/src/Windows/user_strings_windows.h

@@ -34,6 +34,7 @@ enum {
 	STR_SIGSEGV_INSTALL_ERR,
 	STR_NO_XVISUAL_ERR,
 	STR_VOSF_INIT_ERR,
+	STR_SLIRP_NO_DNS_FOUND_WARN,
 	STR_NO_AUDIO_WARN,
 	STR_KEYCODE_FILE_WARN,
 	STR_KEYCODE_VENDOR_WARN,