making local alsa properly optional

makejdk-any-platform.1

@@ -48,6 +48,12 @@ Build JDK (tip), defaults to https://github.com/adoptium/jdk
 
 .SH OPTIONS
 .TP
+.BR \-A ", " \-\-skip-alsa
+Skip downloading of alsa automatically.
+If you do so, the underlying configure will detect system lib and headers.
+If you wish to point to some custom build/install pass it via \fI\-C, \-\-configure-args <args>\fR
+Presence of \-\-with-alsa in  \-\-configure-args will also not include freshly installed alsa to build.
+.TP
 .BR \-b ", " \-\-branch " " \fI<branch>\fR
 specify a custom branch to build from, e.g. dev.
 For reference, Adoptium GitHub source repos default to the \fI<dev>\fR

sbin/build.sh

@@ -479,7 +479,6 @@ buildingTheRestOfTheConfigParameters() {
 
   if [ "${BUILD_CONFIG[OPENJDK_CORE_VERSION]}" == "${JDK8_CORE_VERSION}" ]; then
     addConfigureArg "--with-x=" "/usr/include/X11"
-    addConfigureArg "--with-alsa=" "${BUILD_CONFIG[WORKSPACE_DIR]}/${BUILD_CONFIG[WORKING_DIR]}/installedalsa"
   fi
 }
 
@@ -505,6 +504,14 @@ configureDebugParameters() {
   fi
 }
 
+configureAlsaLocation() {
+  if [[ ! "${CONFIGURE_ARGS}" =~ "--with-alsa" ]]; then
+    if [[ "${BUILD_CONFIG[ALSA]}" == "true" ]]; then
+      addConfigureArg "--with-alsa=" "${BUILD_CONFIG[WORKSPACE_DIR]}/${BUILD_CONFIG[WORKING_DIR]}/installedalsa"
+    fi
+  fi
+}
+
 configureFreetypeLocation() {
   if [[ ! "${CONFIGURE_ARGS}" =~ "--with-freetype" ]]; then
     if [[ "${BUILD_CONFIG[FREETYPE]}" == "true" ]]; then
@@ -551,6 +558,7 @@ configureCommandParameters() {
   else
     echo "Building up the configure command..."
     buildingTheRestOfTheConfigParameters
+    configureAlsaLocation
   fi
 
   echo "Adjust configure for reproducible build"

sbin/common/config_init.sh

@@ -31,6 +31,7 @@
 CONFIG_PARAMS=(
 ADOPTIUM_DEVKIT_LOCATION
 ADOPT_PATCHES
+ALSA
 ASSEMBLE_EXPLODED_IMAGE
 OPENJDK_BUILD_REPO_BRANCH
 OPENJDK_BUILD_REPO_URI
@@ -297,6 +298,9 @@ function parseConfigurationArguments() {
         "--skip-freetype" | "-F" )
         BUILD_CONFIG[FREETYPE]=false;;
 
+        "--skip-alsa" | "-A" )
+        BUILD_CONFIG[ALSA]=false;;
+
         "--help" | "-h" )
         man ./makejdk-any-platform.1 && exit 0;;
 
@@ -477,7 +481,8 @@ function configDefaults() {
 
   BUILD_CONFIG[COPY_MACOSX_FREE_FONT_LIB_FOR_JDK_FLAG]="false"
   BUILD_CONFIG[COPY_MACOSX_FREE_FONT_LIB_FOR_JRE_FLAG]="false"
-  BUILD_CONFIG[FREETYPE]=true
+  BUILD_CONFIG[ALSA]="true"
+  BUILD_CONFIG[FREETYPE]="true"
   BUILD_CONFIG[FREETYPE_DIRECTORY]=""
   BUILD_CONFIG[FREETYPE_FONT_VERSION]="86bc8a95056c97a810986434a3f268cbe67f2902" # 2.9.1
   BUILD_CONFIG[FREETYPE_FONT_BUILD_TYPE_PARAM]=""

sbin/prepareWorkspace.sh

@@ -314,6 +314,7 @@ createWorkspace() {
 
 # ALSA first for sound
 checkingAndDownloadingAlsa() {
+
   cd "${BUILD_CONFIG[WORKSPACE_DIR]}/libs/" || exit
 
   echo "Checking for ALSA"
@@ -667,7 +668,13 @@ downloadingRequiredDependencies() {
     echo "Non-Linux-based environment detected, skipping download of dependency Alsa."
   else
     echo "Checking and downloading Alsa dependency because OSTYPE=\"${OSTYPE}\""
-    checkingAndDownloadingAlsa
+    if [[ "${BUILD_CONFIG[ALSA]}" == "true" ]]; then
+      checkingAndDownloadingAlsa
+    else
+      echo ""
+      echo "---> Skipping the process of checking and downloading the Alsa dependency, a pre-built version should be provided via -C/--configure-args <---"
+      echo ""
+    fi
   fi
 
   if [[ "${BUILD_CONFIG[FREETYPE]}" == "true" ]]; then