Add dependencies for libpsl and AOM compilation in Dockerfile; simplify host machine build condition in prepare.php

Author: matyhtf

prepare.php

@@ -31,7 +31,7 @@
 }
 
 // Compile directly on the host machine, not in the docker container
-if ($p->getInputOption('without-docker') || ($p->isMacos()) || ($p->isLinux() && (!is_file('/.dockerenv')))) {
+if ($p->getInputOption('without-docker') || $p->isMacos()) {
     $p->setWorkDir(__DIR__);
     $p->setBuildDir(__DIR__ . '/thirdparty');
 }

sapi/docker/Dockerfile

@@ -15,4 +15,8 @@ RUN apk upgrade
 RUN apk add vim alpine-sdk xz autoconf automake linux-headers clang-dev clang lld libtool cmake bison re2c gettext coreutils
 RUN apk add bash tini
 RUN apk add libc++-static libltdl-static
+# Compiling libpsl requires using python3 to generate data files
+RUN apk add python3
+# Compiling AOM requires the use of NASM/YASM assembly compiler
+RUN apk add nasm
 WORKDIR /work