add support for vxbuild-cross build system

csrc/md5/_memcpy.h

@@ -1,2 +0,0 @@
-/* force mempcy to be from earlier compatible system */
-__asm__(".symver memcpy,memcpy@GLIBC_2.2.5");

csrc/md5/build-linux32.sh

@@ -0,0 +1 @@
+P=linux32 C="-m32 -fPIC" L="-m32 -s -static-libgcc" D=libmd5.so A=libmd5.a ./build.sh

csrc/md5/build-linux64.sh

@@ -1 +1 @@
-P=linux64 C="-fPIC -include _memcpy.h" L="-s -static-libgcc" D=libmd5.so A=libmd5.a ./build.sh
+P=linux64 C="-fPIC" L="-s -static-libgcc" D=libmd5.so A=libmd5.a ./build.sh

csrc/md5/build-mingw32.sh

@@ -0,0 +1,2 @@
+[ `uname` = Linux ] && { export X=i686-w64-mingw32-; }
+P=mingw32 C="-fPIC" L="-s -static-libgcc" D=md5.dll A=md5.a ./build.sh

csrc/md5/build-mingw64.sh

@@ -1 +1,2 @@
-P=mingw64 L="-s -static-libgcc" D=md5.dll A=md5.a ./build.sh
+[ `uname` = Linux ] && { export X=x86_64-w64-mingw32-; }
+P=mingw64 C="-fPIC" L="-s -static-libgcc" D=md5.dll A=md5.a ./build.sh

csrc/md5/build-osx64.sh

@@ -1,3 +1,3 @@
-[ `uname` = Linux ] && export X=x86_64-apple-darwin11-
-P=osx64 C="-arch x86_64" L="-arch x86_64 -install_name @rpath/libmd5.dylib" \
+[ `uname` = Linux ] && { export X=x86_64-apple-darwin19-; export CC=clang; }
+P=osx64 CC=clang C="-arch x86_64 -fPIC" L="-arch x86_64 -lm -install_name @rpath/libmd5.dylib" \
 	D=libmd5.dylib A=libmd5.a ./build.sh

csrc/md5/build.sh

@@ -1,5 +1,7 @@
-${X}gcc -c -O2 $C md5.c -Wall -I.
-${X}gcc *.o -shared -o ../../bin/$P/$D $L
+[ "$CC" ] || CC=gcc
+mkdir -p ../../bin/$P
+${X}${CC} -c -O2 $C md5.c -Wall -I.
+${X}${CC} *.o -shared -o ../../bin/$P/$D $L
 rm -f      ../../bin/$P/$A
 ${X}ar rcs ../../bin/$P/$A *.o
 rm *.o

csrc/md5/md5.c

@@ -196,7 +196,7 @@ static void *body(MD5_CTX *ctx, void *data, unsigned long size)
 	return ptr;
 }
 
-void MD5_Init(MD5_CTX *ctx)
+void MD5_Init_n(MD5_CTX *ctx)
 {
 	ctx->a = 0x67452301;
 	ctx->b = 0xefcdab89;
@@ -207,7 +207,7 @@ void MD5_Init(MD5_CTX *ctx)
 	ctx->hi = 0;
 }
 
-void MD5_Update(MD5_CTX *ctx, void *data, unsigned long size)
+void MD5_Update_n(MD5_CTX *ctx, void *data, unsigned long size)
 {
 	MD5_u32plus saved_lo;
 	unsigned long used, free;
@@ -241,7 +241,7 @@ void MD5_Update(MD5_CTX *ctx, void *data, unsigned long size)
 	memcpy(ctx->buffer, data, size);
 }
 
-void MD5_Final(unsigned char *result, MD5_CTX *ctx)
+void MD5_Final_n(unsigned char *result, MD5_CTX *ctx)
 {
 	unsigned long used, free;
 

csrc/md5/md5.h

@@ -38,8 +38,8 @@ typedef struct {
 	MD5_u32plus block[16];
 } MD5_CTX;
 
-extern void MD5_Init(MD5_CTX *ctx);
-extern void MD5_Update(MD5_CTX *ctx, void *data, unsigned long size);
-extern void MD5_Final(unsigned char *result, MD5_CTX *ctx);
+extern void MD5_Init_n(MD5_CTX *ctx);
+extern void MD5_Update_n(MD5_CTX *ctx, void *data, unsigned long size);
+extern void MD5_Final_n(unsigned char *result, MD5_CTX *ctx);
 
 #endif

md5.lua

@@ -16,20 +16,20 @@ typedef struct {
 	uint32_t block[16];
 } MD5_CTX;
 
-void MD5_Init(MD5_CTX *ctx);
-void MD5_Update(MD5_CTX *ctx, const uint8_t *data, uint32_t size);
-void MD5_Final(const uint8_t *result, MD5_CTX *ctx);
+void MD5_Init_n(MD5_CTX *ctx);
+void MD5_Update_n(MD5_CTX *ctx, const uint8_t *data, uint32_t size);
+void MD5_Final_n(const uint8_t *result, MD5_CTX *ctx);
 ]]
 
 local function digest()
 	local ctx = ffi.new'MD5_CTX'
 	local result = ffi.new'uint8_t[16]'
-	C.MD5_Init(ctx)
+	C.MD5_Init_n(ctx)
 	return function(data, size)
 		if data then
-			C.MD5_Update(ctx, data, size or #data)
+			C.MD5_Update_n(ctx, data, size or #data)
 		else
-			C.MD5_Final(result, ctx)
+			C.MD5_Final_n(result, ctx)
 			return ffi.string(result, 16)
 		end
 	end