Use curl instaed of wget for boot JDK downloads for CentOS6

build-farm/platform-specific-configurations/linux.sh

@@ -137,7 +137,7 @@ if [ ! -d "$(eval echo "\$$BOOT_JDK_VARIABLE")" ]; then
       # make-adopt-build-farm.sh has 'set -e'. We need to disable that for
       # the fallback mechanism, as downloading of the GA binary might fail.
       set +e
-      wget -q -O - "${apiURL}" | tar xpzf - --strip-components=1 -C "$bootDir"
+      curl -L "${apiURL}" | tar xpzf - --strip-components=1 -C "$bootDir"
       retVal=$?
       set -e
       if [ $retVal -ne 0 ]; then
@@ -151,7 +151,7 @@ if [ ! -d "$(eval echo "\$$BOOT_JDK_VARIABLE")" ]; then
         apiURL=$(eval echo ${apiUrlTemplate})
         echo "Attempting to download EA release of boot JDK version ${JDK_BOOT_VERSION} from ${apiURL}"
         set +e
-        wget -q -O - "${apiURL}" | tar xpzf - --strip-components=1 -C "$bootDir"
+        curl -L "${apiURL}" | tar xpzf - --strip-components=1 -C "$bootDir"
         retVal=$?
         set -e
         if [ $retVal -ne 0 ]; then
@@ -163,7 +163,7 @@ if [ ! -d "$(eval echo "\$$BOOT_JDK_VARIABLE")" ]; then
           vendor="adoptopenjdk"
           apiURL=$(eval echo ${apiUrlTemplate})
           echo "Attempting to download GA release of boot JDK version ${JDK_BOOT_VERSION} from ${apiURL}"
-          wget -q -O - "${apiURL}" | tar xpzf - --strip-components=1 -C "$bootDir"
+          curl -L "${apiURL}" | tar xpzf - --strip-components=1 -C "$bootDir"
         fi
       fi
     fi
@@ -222,7 +222,7 @@ if [ "${ARCHITECTURE}" == "riscv64" ] && [ "${NATIVE_API_ARCH}" != "riscv64" ];
     rm -rf "$BUILDJDK"
     mkdir "$BUILDJDK"
     # TOFIX: Switch this back once Semeru has an API to pull the nightly builds.
-    wget -q -O - "https://api.adoptopenjdk.net/v3/binary/latest/${JAVA_FEATURE_VERSION}/ga/linux/${NATIVE_API_ARCH}/jdk/openj9/normal/adoptopenjdk" | tar xpzf - --strip-components=1 -C "$BUILDJDK"
+    curl -L "https://api.adoptopenjdk.net/v3/binary/latest/${JAVA_FEATURE_VERSION}/ga/linux/${NATIVE_API_ARCH}/jdk/openj9/normal/adoptopenjdk" | tar xpzf - --strip-components=1 -C "$BUILDJDK"
     "$BUILDJDK/bin/java" -version 2>&1 | sed 's/^/CROSSBUILD JDK > /g' || exit 1
     CONFIGURE_ARGS_FOR_ANY_PLATFORM="${CONFIGURE_ARGS_FOR_ANY_PLATFORM} --with-build-jdk=$BUILDJDK --disable-ddr"
     if [ -d /usr/local/openssl102 ]; then