diff --git a/platforms/android/arm64-v8a/external.sh b/platforms/android/arm64-v8a/external.sh
index 645fc17c..69b64d72 100755
--- a/platforms/android/arm64-v8a/external.sh
+++ b/platforms/android/arm64-v8a/external.sh
@@ -2,21 +2,14 @@
 
 set -e
 
-LIBZEDMD_SHA=a08859d0042af83e896c60773d33526bf6c1d8e2
-LIBSERUM_SHA=b0cc2a871d9d5b6395658c56c65402ae388eb78c
-LIBPUPDMD_SHA=124f45e5ddd59ceb339591de88fcca72f8c54612
+source ./platforms/config.sh
 
 echo "Building libraries..."
 echo "  LIBZEDMD_SHA: ${LIBZEDMD_SHA}"
 echo "  LIBSERUM_SHA: ${LIBSERUM_SHA}"
 echo "  LIBPUPDMD_SHA: ${LIBPUPDMD_SHA}"
-echo "  NUM_PROCS: ${NUM_PROCS}"
 echo ""
 
-if [ -z "${BUILD_TYPE}" ]; then
-   BUILD_TYPE="Release"
-fi
-
 if [[ $(uname) == "Linux" ]]; then
    NUM_PROCS=$(nproc)
 elif [[ $(uname) == "Darwin" ]]; then
@@ -25,10 +18,6 @@ else
    NUM_PROCS=1
 fi
 
-echo "Build type: ${BUILD_TYPE}"
-echo "Procs: ${NUM_PROCS}"
-echo ""
-
 rm -rf external
 mkdir external
 cd external
diff --git a/platforms/config.sh b/platforms/config.sh
new file mode 100755
index 00000000..fd88b5fe
--- /dev/null
+++ b/platforms/config.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+LIBZEDMD_SHA=e70526f517c7230f43af4357c8d8ada7482434b6
+LIBSERUM_SHA=b0cc2a871d9d5b6395658c56c65402ae388eb78c
+LIBPUPDMD_SHA=124f45e5ddd59ceb339591de88fcca72f8c54612
+
+if [ -z "${BUILD_TYPE}" ]; then
+   BUILD_TYPE="Release"
+fi
+
+echo "Build type: ${BUILD_TYPE}"
+echo ""
\ No newline at end of file
diff --git a/platforms/ios-simulator/arm64/external.sh b/platforms/ios-simulator/arm64/external.sh
index 99509e6c..e08849c8 100755
--- a/platforms/ios-simulator/arm64/external.sh
+++ b/platforms/ios-simulator/arm64/external.sh
@@ -2,9 +2,7 @@
 
 set -e
 
-LIBZEDMD_SHA=a08859d0042af83e896c60773d33526bf6c1d8e2
-LIBSERUM_SHA=b0cc2a871d9d5b6395658c56c65402ae388eb78c
-LIBPUPDMD_SHA=124f45e5ddd59ceb339591de88fcca72f8c54612
+source ./platforms/config.sh
 
 echo "Building libraries..."
 echo "  LIBZEDMD_SHA: ${LIBZEDMD_SHA}"
@@ -12,16 +10,8 @@ echo "  LIBSERUM_SHA: ${LIBSERUM_SHA}"
 echo "  LIBPUPDMD_SHA: ${LIBPUPDMD_SHA}"
 echo ""
 
-if [ -z "${BUILD_TYPE}" ]; then
-   BUILD_TYPE="Release"
-fi
-
 NUM_PROCS=$(sysctl -n hw.ncpu)
 
-echo "Build type: ${BUILD_TYPE}"
-echo "Procs: ${NUM_PROCS}"
-echo ""
-
 rm -rf external
 mkdir external
 cd external
diff --git a/platforms/ios/arm64/external.sh b/platforms/ios/arm64/external.sh
index 6d776add..0db95851 100755
--- a/platforms/ios/arm64/external.sh
+++ b/platforms/ios/arm64/external.sh
@@ -2,9 +2,7 @@
 
 set -e
 
-LIBZEDMD_SHA=a08859d0042af83e896c60773d33526bf6c1d8e2
-LIBSERUM_SHA=b0cc2a871d9d5b6395658c56c65402ae388eb78c
-LIBPUPDMD_SHA=124f45e5ddd59ceb339591de88fcca72f8c54612
+source ./platforms/config.sh
 
 echo "Building libraries..."
 echo "  LIBZEDMD_SHA: ${LIBZEDMD_SHA}"
@@ -12,16 +10,8 @@ echo "  LIBSERUM_SHA: ${LIBSERUM_SHA}"
 echo "  LIBPUPDMD_SHA: ${LIBPUPDMD_SHA}"
 echo ""
 
-if [ -z "${BUILD_TYPE}" ]; then
-   BUILD_TYPE="Release"
-fi
-
 NUM_PROCS=$(sysctl -n hw.ncpu)
 
-echo "Build type: ${BUILD_TYPE}"
-echo "Procs: ${NUM_PROCS}"
-echo ""
-
 rm -rf external
 mkdir external
 cd external
diff --git a/platforms/linux/aarch64/external.sh b/platforms/linux/aarch64/external.sh
index 9981268a..c9f1a478 100755
--- a/platforms/linux/aarch64/external.sh
+++ b/platforms/linux/aarch64/external.sh
@@ -2,9 +2,7 @@
 
 set -e
 
-LIBZEDMD_SHA=a08859d0042af83e896c60773d33526bf6c1d8e2
-LIBSERUM_SHA=b0cc2a871d9d5b6395658c56c65402ae388eb78c
-LIBPUPDMD_SHA=124f45e5ddd59ceb339591de88fcca72f8c54612
+source ./platforms/config.sh
 
 echo "Building libraries..."
 echo "  LIBZEDMD_SHA: ${LIBZEDMD_SHA}"
@@ -12,16 +10,8 @@ echo "  LIBSERUM_SHA: ${LIBSERUM_SHA}"
 echo "  LIBPUPDMD_SHA: ${LIBPUPDMD_SHA}"
 echo ""
 
-if [ -z "${BUILD_TYPE}" ]; then
-   BUILD_TYPE="Release"
-fi
-
 NUM_PROCS=$(nproc)
 
-echo "Build type: ${BUILD_TYPE}"
-echo "Procs: ${NUM_PROCS}"
-echo ""
-
 rm -rf external
 mkdir external
 cd external
diff --git a/platforms/linux/x64/external.sh b/platforms/linux/x64/external.sh
index cd7af0cc..09d9ea90 100755
--- a/platforms/linux/x64/external.sh
+++ b/platforms/linux/x64/external.sh
@@ -2,9 +2,7 @@
 
 set -e
 
-LIBZEDMD_SHA=a08859d0042af83e896c60773d33526bf6c1d8e2
-LIBSERUM_SHA=b0cc2a871d9d5b6395658c56c65402ae388eb78c
-LIBPUPDMD_SHA=124f45e5ddd59ceb339591de88fcca72f8c54612
+source ./platforms/config.sh
 
 echo "Building libraries..."
 echo "  LIBZEDMD_SHA: ${LIBZEDMD_SHA}"
@@ -12,16 +10,8 @@ echo "  LIBSERUM_SHA: ${LIBSERUM_SHA}"
 echo "  LIBPUPDMD_SHA: ${LIBPUPDMD_SHA}"
 echo ""
 
-if [ -z "${BUILD_TYPE}" ]; then
-   BUILD_TYPE="Release"
-fi
-
 NUM_PROCS=$(nproc)
 
-echo "Build type: ${BUILD_TYPE}"
-echo "Procs: ${NUM_PROCS}"
-echo ""
-
 rm -rf external
 mkdir external
 cd external
diff --git a/platforms/macos/arm64/external.sh b/platforms/macos/arm64/external.sh
index d534b883..54dbcdc1 100755
--- a/platforms/macos/arm64/external.sh
+++ b/platforms/macos/arm64/external.sh
@@ -2,9 +2,7 @@
 
 set -e
 
-LIBZEDMD_SHA=a08859d0042af83e896c60773d33526bf6c1d8e2
-LIBSERUM_SHA=b0cc2a871d9d5b6395658c56c65402ae388eb78c
-LIBPUPDMD_SHA=124f45e5ddd59ceb339591de88fcca72f8c54612
+source ./platforms/config.sh
 
 echo "Building libraries..."
 echo "  LIBZEDMD_SHA: ${LIBZEDMD_SHA}"
@@ -12,16 +10,8 @@ echo "  LIBSERUM_SHA: ${LIBSERUM_SHA}"
 echo "  LIBPUPDMD_SHA: ${LIBPUPDMD_SHA}"
 echo ""
 
-if [ -z "${BUILD_TYPE}" ]; then
-   BUILD_TYPE="Release"
-fi
-
 NUM_PROCS=$(sysctl -n hw.ncpu)
 
-echo "Build type: ${BUILD_TYPE}"
-echo "Procs: ${NUM_PROCS}"
-echo ""
-
 rm -rf external
 mkdir external
 cd external
diff --git a/platforms/macos/x64/external.sh b/platforms/macos/x64/external.sh
index 8c7a469c..7bee8364 100755
--- a/platforms/macos/x64/external.sh
+++ b/platforms/macos/x64/external.sh
@@ -2,9 +2,7 @@
 
 set -e
 
-LIBZEDMD_SHA=a08859d0042af83e896c60773d33526bf6c1d8e2
-LIBSERUM_SHA=b0cc2a871d9d5b6395658c56c65402ae388eb78c
-LIBPUPDMD_SHA=124f45e5ddd59ceb339591de88fcca72f8c54612
+source ./platforms/config.sh
 
 echo "Building libraries..."
 echo "  LIBZEDMD_SHA: ${LIBZEDMD_SHA}"
@@ -12,16 +10,8 @@ echo "  LIBSERUM_SHA: ${LIBSERUM_SHA}"
 echo "  LIBPUPDMD_SHA: ${LIBPUPDMD_SHA}"
 echo ""
 
-if [ -z "${BUILD_TYPE}" ]; then
-   BUILD_TYPE="Release"
-fi
-
 NUM_PROCS=$(sysctl -n hw.ncpu)
 
-echo "Build type: ${BUILD_TYPE}"
-echo "Procs: ${NUM_PROCS}"
-echo ""
-
 rm -rf external
 mkdir external
 cd external
diff --git a/platforms/tvos/arm64/external.sh b/platforms/tvos/arm64/external.sh
index a5a87045..1c0de920 100755
--- a/platforms/tvos/arm64/external.sh
+++ b/platforms/tvos/arm64/external.sh
@@ -2,9 +2,7 @@
 
 set -e
 
-LIBZEDMD_SHA=a08859d0042af83e896c60773d33526bf6c1d8e2
-LIBSERUM_SHA=b0cc2a871d9d5b6395658c56c65402ae388eb78c
-LIBPUPDMD_SHA=124f45e5ddd59ceb339591de88fcca72f8c54612
+source ./platforms/config.sh
 
 echo "Building libraries..."
 echo "  LIBZEDMD_SHA: ${LIBZEDMD_SHA}"
@@ -12,16 +10,8 @@ echo "  LIBSERUM_SHA: ${LIBSERUM_SHA}"
 echo "  LIBPUPDMD_SHA: ${LIBPUPDMD_SHA}"
 echo ""
 
-if [ -z "${BUILD_TYPE}" ]; then
-   BUILD_TYPE="Release"
-fi
-
 NUM_PROCS=$(sysctl -n hw.ncpu)
 
-echo "Build type: ${BUILD_TYPE}"
-echo "Procs: ${NUM_PROCS}"
-echo ""
-
 rm -rf external
 mkdir external
 cd external
diff --git a/platforms/win/x64/external.sh b/platforms/win/x64/external.sh
index a8a45853..57a3155f 100755
--- a/platforms/win/x64/external.sh
+++ b/platforms/win/x64/external.sh
@@ -2,9 +2,7 @@
 
 set -e
 
-LIBZEDMD_SHA=a08859d0042af83e896c60773d33526bf6c1d8e2
-LIBSERUM_SHA=b0cc2a871d9d5b6395658c56c65402ae388eb78c
-LIBPUPDMD_SHA=124f45e5ddd59ceb339591de88fcca72f8c54612
+source ./platforms/config.sh
 
 echo "Building libraries..."
 echo "  LIBZEDMD_SHA: ${LIBZEDMD_SHA}"
@@ -12,13 +10,6 @@ echo "  LIBSERUM_SHA: ${LIBSERUM_SHA}"
 echo "  LIBPUPDMD_SHA: ${LIBPUPDMD_SHA}"
 echo ""
 
-if [ -z "${BUILD_TYPE}" ]; then
-   BUILD_TYPE="Release"
-fi
-
-echo "Build type: ${BUILD_TYPE}"
-echo ""
-
 rm -rf external
 mkdir external
 cd external
diff --git a/platforms/win/x86/external.sh b/platforms/win/x86/external.sh
index a1a57322..a8ffd63b 100755
--- a/platforms/win/x86/external.sh
+++ b/platforms/win/x86/external.sh
@@ -2,9 +2,7 @@
 
 set -e
 
-LIBZEDMD_SHA=a08859d0042af83e896c60773d33526bf6c1d8e2
-LIBSERUM_SHA=b0cc2a871d9d5b6395658c56c65402ae388eb78c
-LIBPUPDMD_SHA=124f45e5ddd59ceb339591de88fcca72f8c54612
+source ./platforms/config.sh
 
 echo "Building libraries..."
 echo "  LIBZEDMD_SHA: ${LIBZEDMD_SHA}"
@@ -12,13 +10,6 @@ echo "  LIBSERUM_SHA: ${LIBSERUM_SHA}"
 echo "  LIBPUPDMD_SHA: ${LIBPUPDMD_SHA}"
 echo ""
 
-if [ -z "${BUILD_TYPE}" ]; then
-   BUILD_TYPE="Release"
-fi
-
-echo "Build type: ${BUILD_TYPE}"
-echo ""
-
 rm -rf external
 mkdir external
 cd external