Add freebsd support to build scripts (adoptium#1388)

* intial freebsd port support

* change branch

* temp switch to gdams

* pass path to fontconfig

* add alsa include

* revert to battleblow repo

* skip marker on freebsd

* improve branch safety check on freebsd

* add x libs

* add cups lib

* switch repo to use official freebsd repo

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

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+################################################################################
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+################################################################################
+
+SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+# shellcheck source=sbin/common/constants.sh
+source "$SCRIPT_DIR/../../sbin/common/constants.sh"
+
+export BUILD_ARGS="${BUILD_ARGS} -r https://github.com/FreeBSD/openjdk-${JAVA_TO_BUILD}"
+
+export CONFIGURE_ARGS_FOR_ANY_PLATFORM="${CONFIGURE_ARGS_FOR_ANY_PLATFORM} --with-toolchain-type=clang --with-fontconfig=/usr/local --with-alsa=/usr/local --x-includes=/usr/local/include --x-libraries=/usr/local/lib --with-cups=/usr/local"

sbin/prepareWorkspace.sh

@@ -100,12 +100,12 @@ checkoutAndCloneOpenJDKGitRepo()
     git reset --hard "origin/${BUILD_CONFIG[BRANCH]}"
   fi
 
-  if [[ "${BUILD_CONFIG[BUILD_VARIANT]}" == "${BUILD_VARIANT_HOTSPOT}" ]] && [[ "${BUILD_CONFIG[OPENJDK_FEATURE_NUMBER]}" -ge 11 ]] ; then
+  if [[ "${BUILD_CONFIG[BUILD_VARIANT]}" == "${BUILD_VARIANT_HOTSPOT}" ]] && [[ "${BUILD_CONFIG[OPENJDK_FEATURE_NUMBER]}" -ge 11 ]]; then
      # Verify Adopt patches tag is being built, otherwise we may be accidently just building "raw" OpenJDK
      if [ ! -f "${ADOPTOPENJDK_MD_MARKER_FILE}" ] && [ "${BUILD_CONFIG[DISABLE_ADOPT_BRANCH_SAFETY]}" == "false" ]; then
        echo "${ADOPTOPENJDK_MD_MARKER_FILE} marker file not found in fetched source to be built, this may mean the wrong SCMReference build parameter has been specified. Ensure the correct AdoptOpenJDK patch release tag is specified, eg.for build jdk-11.0.4+10, it would be jdk-11.0.4+10_adopt"
        exit 1
-     fi 
+     fi
   fi
 
   git clean -ffdx