diff --git a/bin/linux32/libgenx.a b/bin/linux32/libgenx.a
new file mode 100644
index 0000000..21dcfda
Binary files /dev/null and b/bin/linux32/libgenx.a differ
diff --git a/bin/linux32/libgenx.so b/bin/linux32/libgenx.so
new file mode 100755
index 0000000..b085b2d
Binary files /dev/null and b/bin/linux32/libgenx.so differ
diff --git a/bin/linux64/libgenx.a b/bin/linux64/libgenx.a
index ef47f4c..69c7622 100644
Binary files a/bin/linux64/libgenx.a and b/bin/linux64/libgenx.a differ
diff --git a/bin/linux64/libgenx.so b/bin/linux64/libgenx.so
index 347cc9a..193d068 100755
Binary files a/bin/linux64/libgenx.so and b/bin/linux64/libgenx.so differ
diff --git a/bin/mingw32/genx.a b/bin/mingw32/genx.a
new file mode 100644
index 0000000..92d6ee5
Binary files /dev/null and b/bin/mingw32/genx.a differ
diff --git a/bin/mingw32/genx.dll b/bin/mingw32/genx.dll
new file mode 100755
index 0000000..a1cfb02
Binary files /dev/null and b/bin/mingw32/genx.dll differ
diff --git a/bin/mingw64/genx.a b/bin/mingw64/genx.a
index 435e40a..ae1909a 100644
Binary files a/bin/mingw64/genx.a and b/bin/mingw64/genx.a differ
diff --git a/bin/mingw64/genx.dll b/bin/mingw64/genx.dll
old mode 100644
new mode 100755
index 0dcd6bd..634b350
Binary files a/bin/mingw64/genx.dll and b/bin/mingw64/genx.dll differ
diff --git a/bin/osx64/libgenx.a b/bin/osx64/libgenx.a
index e7d3a39..9895202 100644
Binary files a/bin/osx64/libgenx.a and b/bin/osx64/libgenx.a differ
diff --git a/bin/osx64/libgenx.dylib b/bin/osx64/libgenx.dylib
index 2fdca3d..c8e357a 100755
Binary files a/bin/osx64/libgenx.dylib and b/bin/osx64/libgenx.dylib differ
diff --git a/csrc/genx/build-linux32.sh b/csrc/genx/build-linux32.sh
new file mode 100755
index 0000000..dbff9a0
--- /dev/null
+++ b/csrc/genx/build-linux32.sh
@@ -0,0 +1 @@
+P=linux32 C="-m32 -fPIC" L="-m32 -s -static-libgcc" D=libgenx.so A=libgenx.a ./build.sh
diff --git a/csrc/genx/build-linux64.sh b/csrc/genx/build-linux64.sh
index 92618ff..156170e 100755
--- a/csrc/genx/build-linux64.sh
+++ b/csrc/genx/build-linux64.sh
@@ -1 +1 @@
-P=linux64 C=-fPIC L="-s -static-libgcc" D=libgenx.so A=libgenx.a ./build.sh
+P=linux64 C="-fPIC" L="-s -static-libgcc" D=libgenx.so A=libgenx.a ./build.sh
diff --git a/csrc/genx/build-mingw32.sh b/csrc/genx/build-mingw32.sh
new file mode 100755
index 0000000..1feb291
--- /dev/null
+++ b/csrc/genx/build-mingw32.sh
@@ -0,0 +1,2 @@
+[ `uname` = Linux ] && { export X=i686-w64-mingw32-; }
+P=mingw32 C="-fPIC" L="-s -static-libgcc" D=genx.dll A=genx.a ./build.sh
diff --git a/csrc/genx/build-mingw64.sh b/csrc/genx/build-mingw64.sh
index 0e68064..1dabda7 100755
--- a/csrc/genx/build-mingw64.sh
+++ b/csrc/genx/build-mingw64.sh
@@ -1 +1,2 @@
-P=mingw64 L="-s -static-libgcc" D=genx.dll A=genx.a ./build.sh
+[ `uname` = Linux ] && { export X=x86_64-w64-mingw32-; }
+P=mingw64 C="-fPIC" L="-s -static-libgcc" D=genx.dll A=genx.a ./build.sh
diff --git a/csrc/genx/build-osx64.sh b/csrc/genx/build-osx64.sh
index 8f06e13..33336d8 100755
--- a/csrc/genx/build-osx64.sh
+++ b/csrc/genx/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/libgenx.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/libgenx.dylib" \
 	D=libgenx.dylib A=libgenx.a ./build.sh
diff --git a/csrc/genx/build.sh b/csrc/genx/build.sh
index 8eea429..1e1be06 100755
--- a/csrc/genx/build.sh
+++ b/csrc/genx/build.sh
@@ -1,5 +1,7 @@
-${X}gcc -c -O2 $C genx.c charProps.c -Wall -pedantic
-${X}gcc *.o -shared -o ../../bin/$P/$D $L
+[ "$CC" ] || CC=gcc
+mkdir -p ../../bin/$P
+${X}${CC} -c -O2 $C genx.c charProps.c -Wall -pedantic
+${X}${CC} *.o -shared -o ../../bin/$P/$D $L
 rm -f      ../../bin/$P/$A
 ${X}ar rcs ../../bin/$P/$A *.o
 rm *.o