update makefile, support compile windows target on linux

Author: wangyu-

Diff for: common.h

@@ -53,7 +53,7 @@
 
 #if defined(__MINGW32__)
 #include <winsock2.h>
-#include <Ws2tcpip.h >
+#include <ws2tcpip.h>
 typedef unsigned char u_int8_t;
 typedef unsigned short u_int16_t;
 typedef unsigned int u_int32_t;

Diff for: makefile

@@ -5,6 +5,7 @@ cc_mips24kc_be=/toolchains/lede-sdk-17.01.2-ar71xx-generic_gcc-5.4.0_musl-1.1.16
 cc_mips24kc_le=/toolchains/lede-sdk-17.01.2-ramips-mt7621_gcc-5.4.0_musl-1.1.16.Linux-x86_64/staging_dir/toolchain-mipsel_24kc_gcc-5.4.0_musl-1.1.16/bin/mipsel-openwrt-linux-musl-g++
 #cc_arm= /toolchains/gcc-linaro-4.9.4-2017.01-x86_64_arm-linux-gnueabi/bin/arm-linux-gnueabi-g++ -march=armv6 -marm 
 cc_arm= /toolchains/arm-2014.05/bin/arm-none-linux-gnueabi-g++
+cc_mingw_cross=x86_64-w64-mingw32-g++-posix
 #cc_bcm2708=/home/wangyu/raspberry/tools/arm-bcm2708/gcc-linaro-arm-linux-gnueabihf-raspbian/bin/arm-linux-gnueabihf-g++ 
 
 FLAGS= -std=c++11 -Wall -Wextra -Wno-unused-variable -Wno-unused-parameter -Wno-missing-field-initializers
@@ -17,6 +18,7 @@ TARGETS=amd64 arm mips24kc_be x86  mips24kc_le
 
 TAR=${NAME}_binaries.tar.gz `echo ${TARGETS}|sed -r 's/([^ ]+)/tinymapper_\1/g'` version.txt
 
+# targets for nativei (non-cross) compile 
 all:git_version
 	rm -f ${NAME}
 	${cc_local}   -o ${NAME}          -I. ${SOURCES} ${FLAGS} -lrt -ggdb -static -O2
@@ -40,6 +42,19 @@ mac:git_version
 cygwin:git_version
 	rm -f ${NAME}
 	${cc_local}   -o ${NAME}          -I. ${SOURCES} ${FLAGS} -lrt -ggdb -static -O2 -D_GNU_SOURCE
+
+#targes for general cross compile
+
+cross:git_version
+	${cc_cross}   -o ${NAME}_cross    -I. ${SOURCES} ${FLAGS} -lrt -O2
+
+cross2:git_version
+	${cc_cross}   -o ${NAME}_cross    -I. ${SOURCES} ${FLAGS} -lrt -static -lgcc_eh -O2
+
+cross3:git_version
+	${cc_cross}   -o ${NAME}_cross    -I. ${SOURCES} ${FLAGS} -lrt -static -O2
+
+#targets only for debug purpose
 fast: git_version
 	rm -f ${NAME}
 	${cc_local}   -o ${NAME}          -I. ${SOURCES} ${FLAGS} -lrt -ggdb
@@ -50,6 +65,18 @@ debug2: git_version
 	rm -f ${NAME}
 	${cc_local}   -o ${NAME}          -I. ${SOURCES} ${FLAGS} -lrt -Wformat-nonliteral -ggdb
 
+#targets only for cross compile windows targets on linux 
+
+mingw_cross:git_version   #to build this and the below one you need 'mingw-w64' installed (the cross compile version on linux)
+	rm -f ${NAME}
+	${cc_mingw_cross}   -o ${NAME}.exe          -I. ${SOURCES} ${FLAGS}  -ggdb -static -O2 -lws2_32
+
+mingw_cross_wepoll:git_version    #to compile you need a pacthed version of libev with wepoll backend
+	rm -f ${NAME}
+	${cc_mingw_cross}   -o ${NAME}_wepoll.exe       -I. main.cpp log.cpp common.cpp fd_manager.cpp ${FLAGS}  -ggdb -static -O2   -DNO_LIBEV_EMBED -D_WIN32 -lev -lws2_32
+
+#targets only for 'make release'
+
 mips24kc_be: git_version
 	${cc_mips24kc_be}  -o ${NAME}_$@   -I. ${SOURCES} ${FLAGS} -lrt -lgcc_eh -static -O2
 
@@ -58,21 +85,14 @@ mips24kc_le: git_version
 
 amd64:git_version
 	${cc_local}   -o ${NAME}_$@    -I. ${SOURCES} ${FLAGS} -lrt -static -O2
-x86:git_version
+
+x86:git_version          #to build this you need 'g++-multilib' installed 
 	${cc_local}   -o ${NAME}_$@      -I. ${SOURCES} ${FLAGS} -lrt -static -O2 -m32
 arm:git_version
 	${cc_arm}   -o ${NAME}_$@      -I. ${SOURCES} ${FLAGS} -lrt -static -O2 -ggdb
 
-cross:git_version
-	${cc_cross}   -o ${NAME}_cross    -I. ${SOURCES} ${FLAGS} -lrt -O2
-
-cross2:git_version
-	${cc_cross}   -o ${NAME}_cross    -I. ${SOURCES} ${FLAGS} -lrt -static -lgcc_eh -O2
-
-cross3:git_version
-	${cc_cross}   -o ${NAME}_cross    -I. ${SOURCES} ${FLAGS} -lrt -static -O2
 
-release: ${TARGETS} 
+release: ${TARGETS}
 	cp git_version.h version.txt
 	tar -zcvf ${TAR}
 
@@ -83,4 +103,3 @@ clean:
 
 git_version:
 	    echo "const char *gitversion = \"$(shell git rev-parse HEAD)\";" > git_version.h
-