diff --git a/bin/linux32/libdasm_x86.a b/bin/linux32/libdasm_x86.a
new file mode 100644
index 0000000..90d3b3a
Binary files /dev/null and b/bin/linux32/libdasm_x86.a differ
diff --git a/bin/linux32/libdasm_x86.so b/bin/linux32/libdasm_x86.so
new file mode 100755
index 0000000..1fa32c8
Binary files /dev/null and b/bin/linux32/libdasm_x86.so differ
diff --git a/bin/linux64/libdasm_x86.a b/bin/linux64/libdasm_x86.a
index f5da347..dc50926 100644
Binary files a/bin/linux64/libdasm_x86.a and b/bin/linux64/libdasm_x86.a differ
diff --git a/bin/linux64/libdasm_x86.so b/bin/linux64/libdasm_x86.so
index 16954c2..ecadb08 100755
Binary files a/bin/linux64/libdasm_x86.so and b/bin/linux64/libdasm_x86.so differ
diff --git a/bin/mingw32/dasm_x86.a b/bin/mingw32/dasm_x86.a
new file mode 100644
index 0000000..e390edd
Binary files /dev/null and b/bin/mingw32/dasm_x86.a differ
diff --git a/bin/mingw32/dasm_x86.dll b/bin/mingw32/dasm_x86.dll
new file mode 100755
index 0000000..5f6ccac
Binary files /dev/null and b/bin/mingw32/dasm_x86.dll differ
diff --git a/bin/mingw64/dasm_x86.a b/bin/mingw64/dasm_x86.a
index 1fe0fc6..da3bac3 100644
Binary files a/bin/mingw64/dasm_x86.a and b/bin/mingw64/dasm_x86.a differ
diff --git a/bin/mingw64/dasm_x86.dll b/bin/mingw64/dasm_x86.dll
old mode 100644
new mode 100755
index dc1e4dc..1fefe8f
Binary files a/bin/mingw64/dasm_x86.dll and b/bin/mingw64/dasm_x86.dll differ
diff --git a/bin/osx64/libdasm_x86.a b/bin/osx64/libdasm_x86.a
index eba4aa1..0eca8e2 100644
Binary files a/bin/osx64/libdasm_x86.a and b/bin/osx64/libdasm_x86.a differ
diff --git a/bin/osx64/libdasm_x86.dylib b/bin/osx64/libdasm_x86.dylib
old mode 100644
new mode 100755
index fd5fd8c..7b72317
Binary files a/bin/osx64/libdasm_x86.dylib and b/bin/osx64/libdasm_x86.dylib differ
diff --git a/csrc/dynasm/build-linux32.sh b/csrc/dynasm/build-linux32.sh
new file mode 100755
index 0000000..43f70cb
--- /dev/null
+++ b/csrc/dynasm/build-linux32.sh
@@ -0,0 +1 @@
+P=linux32 C="-m32 -fPIC" L="-m32 -s -static-libgcc" D=libdasm_x86.so A=libdasm_x86.a ./build.sh
diff --git a/csrc/dynasm/build-linux64.sh b/csrc/dynasm/build-linux64.sh
index 2adfc29..edca7bc 100755
--- a/csrc/dynasm/build-linux64.sh
+++ b/csrc/dynasm/build-linux64.sh
@@ -1 +1 @@
-P=linux64 C=-fPIC L="-s -static-libgcc" D=libdasm_x86.so A=libdasm_x86.a ./build.sh
+P=linux64 C="-fPIC" L="-s -static-libgcc" D=libdasm_x86.so A=libdasm_x86.a ./build.sh
diff --git a/csrc/dynasm/build-mingw32.sh b/csrc/dynasm/build-mingw32.sh
new file mode 100755
index 0000000..a5cc158
--- /dev/null
+++ b/csrc/dynasm/build-mingw32.sh
@@ -0,0 +1,2 @@
+[ `uname` = Linux ] && { export X=i686-w64-mingw32-; }
+P=mingw32 C="-fPIC" L="-s -static-libgcc" D=dasm_x86.dll A=dasm_x86.a ./build.sh
diff --git a/csrc/dynasm/build-mingw64.sh b/csrc/dynasm/build-mingw64.sh
index a2497a7..ade04cc 100755
--- a/csrc/dynasm/build-mingw64.sh
+++ b/csrc/dynasm/build-mingw64.sh
@@ -1 +1,2 @@
-P=mingw64 L="-s -static-libgcc" D=dasm_x86.dll A=dasm_x86.a ./build.sh
+[ `uname` = Linux ] && { export X=x86_64-w64-mingw32-; }
+P=mingw64 C="-fPIC" L="-s -static-libgcc" D=dasm_x86.dll A=dasm_x86.a ./build.sh
diff --git a/csrc/dynasm/build-osx64.sh b/csrc/dynasm/build-osx64.sh
index ec8d352..15d7dce 100755
--- a/csrc/dynasm/build-osx64.sh
+++ b/csrc/dynasm/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/libdasm_x86.dylib" \
+[ `uname` = Linux ] && { export X=x86_64-apple-darwin19-; export CC=clang; }
+P=osx64 C="-arch x86_64 -fPIC" L="-arch x86_64 -install_name @rpath/libdasm_x86.dylib" \
 	D=libdasm_x86.dylib A=libdasm_x86.a ./build.sh
diff --git a/csrc/dynasm/build.sh b/csrc/dynasm/build.sh
index c48f4ef..3e67c20 100755
--- a/csrc/dynasm/build.sh
+++ b/csrc/dynasm/build.sh
@@ -1,5 +1,7 @@
-${X}gcc -c -O2 $C dasm_x86.c -DDASM_CHECKS
-${X}gcc *.o -shared $L -o ../../bin/$P/$D
+[ "$CC" ] || CC=gcc
+mkdir -p ../../bin/$P
+${X}${CC} -c -O2 $C dasm_x86.c -DDASM_CHECKS
+${X}${CC} *.o -shared $L -o ../../bin/$P/$D
 rm -f      ../../bin/$P/$A
 ${X}ar rcs ../../bin/$P/$A *.o
 rm *.o