See patch.

Uwe.
-- 
http://hermann-uwe.de     | http://sigrok.org
http://randomprojects.org | http://unmaintained-free-software.org
Fix and improve Windows/MinGW/MSYS build.

 - Makefile: Use $(OS_ARCH) to add some MinGW-specific workarounds and
   settings, so that a simple "make" is sufficient on MinGW (instead of
   manual Makefile hacking).
 
 - Explicitly set CC=gcc in the Makefile, otherwise you get an error like
   "cc: command not found" on MinGW.
 
 - MinGW doesn't have ffs(), use gcc's __builtin_ffs() instead.
 
 - Add /usr/local/include and /usr/local/lib to CPPFLAGS/LDFLAGS, that's
   where libusb-win32 and libftdi stuff is usually placed on MinGW/MSYS.
 
 - Disable serprog (no sockets) and all PCI-based programmers (no libpci)
   for now. That leaves dummy, ft2232_spi, and buspirate_spi enabled on
   MinGW per default.

 - serial.c: Add missing casts to avoid compile errors due to -Werror.
   
Signed-off-by: Uwe Hermann <[email protected]>

Index: Makefile
===================================================================
--- Makefile	(Revision 1362)
+++ Makefile	(Arbeitskopie)
@@ -84,6 +84,88 @@
 endif
 endif
 
+ifeq ($(OS_ARCH), MINGW32_NT-5.1)
+# Explicitly set CC=gcc on MinGW, otherwise: "cc: command not found".
+CC=gcc
+# MinGW doesn't have the ffs() function, but we can use gcc's __builtin_ffs().
+CFLAGS += -Dffs=__builtin_ffs
+# libusb-win32/libftdi stuff is usually installed in /usr/local.
+CPPFLAGS += -I/usr/local/include
+LDFLAGS += -L/usr/local/lib
+# Serprog is not supported under Windows/MinGW (missing sockets support).
+ifeq ($(CONFIG_SERPROG), yes)
+UNSUPPORTED_FEATURES += CONFIG_SERPROG=yes
+else
+override CONFIG_SERPROG = no
+endif
+# For now we disable all PCI-based programmers on Windows/MinGW (no libpci).
+ifeq ($(CONFIG_INTERNAL), yes)
+UNSUPPORTED_FEATURES += CONFIG_INTERNAL=yes
+else
+override CONFIG_INTERNAL = no
+endif
+ifeq ($(CONFIG_RAYER_SPI), yes)
+UNSUPPORTED_FEATURES += CONFIG_RAYER_SPI=yes
+else
+override CONFIG_RAYER_SPI = no
+endif
+ifeq ($(CONFIG_NIC3COM), yes)
+UNSUPPORTED_FEATURES += CONFIG_NIC3COM=yes
+else
+override CONFIG_NIC3COM = no
+endif
+ifeq ($(CONFIG_GFXNVIDIA), yes)
+UNSUPPORTED_FEATURES += CONFIG_GFXNVIDIA=yes
+else
+override CONFIG_GFXNVIDIA = no
+endif
+ifeq ($(CONFIG_SATASII), yes)
+UNSUPPORTED_FEATURES += CONFIG_SATASII=yes
+else
+override CONFIG_SATASII = no
+endif
+ifeq ($(CONFIG_ATAHPT), yes)
+UNSUPPORTED_FEATURES += CONFIG_ATAHPT=yes
+else
+override CONFIG_ATAHPT = no
+endif
+ifeq ($(CONFIG_DRKAISER), yes)
+UNSUPPORTED_FEATURES += CONFIG_DRKAISER=yes
+else
+override CONFIG_DRKAISER = no
+endif
+ifeq ($(CONFIG_NICREALTEK), yes)
+UNSUPPORTED_FEATURES += CONFIG_NICREALTEK=yes
+else
+override CONFIG_NICREALTEK = no
+endif
+ifeq ($(CONFIG_NICNATSEMI), yes)
+UNSUPPORTED_FEATURES += CONFIG_NICNATSEMI=yes
+else
+override CONFIG_NICNATSEMI = no
+endif
+ifeq ($(CONFIG_NICINTEL), yes)
+UNSUPPORTED_FEATURES += CONFIG_NICINTEL=yes
+else
+override CONFIG_NICINTEL = no
+endif
+ifeq ($(CONFIG_NICINTEL_SPI), yes)
+UNSUPPORTED_FEATURES += CONFIG_NICINTEL_SPI=yes
+else
+override CONFIG_NICINTEL_SPI = no
+endif
+ifeq ($(CONFIG_OGP_SPI), yes)
+UNSUPPORTED_FEATURES += CONFIG_OGP_SPI=yes
+else
+override CONFIG_OGP_SPI = no
+endif
+ifeq ($(CONFIG_SATAMV), yes)
+UNSUPPORTED_FEATURES += CONFIG_SATAMV=yes
+else
+override CONFIG_SATAMV = no
+endif
+endif
+
 ifeq ($(OS_ARCH), libpayload)
 CC:=CC=i386-elf-gcc lpgcc
 AR:=i386-elf-ar
@@ -271,7 +353,12 @@
 endif
 
 ifeq ($(CONFIG_FT2232_SPI), yes)
+ifeq ($(OS_ARCH), MINGW32_NT-5.1)
+# No pkg-config files for libftdi on Windows/MinGW, just assume it's installed.
+FTDILIBS := -lftdi -lusb
+else
 FTDILIBS := $(shell pkg-config --libs libftdi 2>/dev/null || printf "%s" "-lftdi -lusb")
+endif
 # This is a totally ugly hack.
 FEATURE_CFLAGS += $(shell LC_ALL=C grep -q "FTDISUPPORT := yes" .features && printf "%s" "-D'CONFIG_FT2232_SPI=1'")
 FEATURE_LIBS += $(shell LC_ALL=C grep -q "FTDISUPPORT := yes" .features && printf "%s" "$(FTDILIBS)")
Index: serial.c
===================================================================
--- serial.c	(Revision 1362)
+++ serial.c	(Arbeitskopie)
@@ -196,7 +196,7 @@
 
 	while (writecnt > 0) {
 #ifdef _WIN32
-		WriteFile(sp_fd, buf, writecnt, &tmp, NULL);
+		WriteFile(sp_fd, buf, writecnt, (PDWORD)&tmp, NULL);
 #else
 		tmp = write(sp_fd, buf, writecnt);
 #endif
@@ -219,7 +219,7 @@
 
 	while (readcnt > 0) {
 #ifdef _WIN32
-		ReadFile(sp_fd, buf, readcnt, &tmp, NULL);
+		ReadFile(sp_fd, buf, readcnt, (PDWORD)&tmp, NULL);
 #else
 		tmp = read(sp_fd, buf, readcnt);
 #endif
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