Support newest libjpeg-turbo on Oracle

builder/scripts/build-libjpeg-turbo

@@ -4,7 +4,7 @@ set -euo pipefail
 
 build_and_install() {
   export MAKEFLAGS=-j`nproc`
-  export CFLAGS="-fpic -flto"
+  export CFLAGS="-fpic"
   cmake -DCMAKE_INSTALL_PREFIX=/usr/local -G"Unix Makefiles"
   make
   make install
@@ -17,6 +17,10 @@ install_build_dependencies() {
     yum install -y cmake gcc
     return
   fi
+  if [ "$DISTRO" = oracle ]; then
+    dnf install -y cmake gcc
+    return
+  fi
 
   apt-get update
   apt-get install -y cmake gcc
@@ -27,6 +31,10 @@ ensure_libjpeg_is_fast() {
     yum install -y nasm
     return
   fi
+  if [ "$DISTRO" = oracle ]; then
+    dnf install -y nasm
+    return
+  fi
 
   apt-get update
   apt-get install -y nasm

builder/scripts/common.sh

@@ -1,8 +1,10 @@
+#!/bin/bash
+
 detect_distro() {
   if [ -f /etc/centos-release ]; then
     DISTRO=centos
   elif [ -f /etc/oracle-release ]; then
-    DISTRO=oracle7
+    DISTRO=oracle
   elif [ -f /usr/bin/zypper ]; then
     DISTRO=opensuse
   else