From b347da03aab0cca5c94bbf02a6df26021070f8b2 Mon Sep 17 00:00:00 2001
From: YellowJacketLinux <anymouseprophet@gmail.com>
Date: Wed, 16 Oct 2024 00:54:01 -0700
Subject: [PATCH] lua

---
 12-lua.sh | 100 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 README.md |   6 ++++
 2 files changed, 106 insertions(+)
 create mode 100644 12-lua.sh

diff --git a/12-lua.sh b/12-lua.sh
new file mode 100644
index 0000000..7aebe15
--- /dev/null
+++ b/12-lua.sh
@@ -0,0 +1,100 @@
+#!/bin/bash
+
+if [ "`whoami`" == "root" ]; then
+  echo "Danger, Will Robinson!"
+  echo "Do not execute me as r00t"
+  exit 1
+fi
+
+TARBALL="lua-5.4.7.tar.gz"
+DNL="https://www.lua.org/ftp/lua-5.4.7.tar.gz"
+SHA256="9fbf5e28ef86c69858f6d3d34eccc32e911c1a28b4120ff3e84aaa70cfbf1e30"
+PATCH="lua-5.4.7-shared_library-1.patch"
+PATCHDNL="https://www.linuxfromscratch.org/patches/blfs/svn/lua-5.4.7-shared_library-1.patch"
+PATCHSHA256="44324a802822f0a35d095aaad2f5f58fa7b1821ae87ae44dbcfc8a23fcd2e67e"
+
+[ -d lua-5.4.7 ] && rm -rf lua-5.4.7
+
+if [ ! -f ${TARBALL} ]; then
+  wget ${DNL}
+  if [ $? -ne 0 ]; then
+    echo "Could not retrieve ${DNL}"
+    echo "Sorry."
+    exit 1
+  fi
+fi
+if [ ! -f ${PATCH} ]; then
+  wget ${PATCHDNL}
+  if [ $? -ne 0 ]; then
+    echo "Could not retrieve ${DNL}"
+    echo "Sorry."
+    exit 1
+  fi
+fi
+
+CHECK="`sha256sum ${TARBALL} |awk ' { print $1 } ' `"
+if [ "${CHECK}" != "${SHA256}" ]; then
+  echo "${TARBALL} does not match expected SHA256. Sorry."
+  exit 1
+fi
+CHECK="`sha256sum ${PATCH} |awk ' { print $1 } ' `"
+if [ "${CHECK}" != "${PATCHSHA256}" ]; then
+  echo "${PATCH} does not match expected SHA256. Sorry."
+  exit 1
+fi
+
+tar -zxf ${TARBALL} && cd lua-5.4.7
+
+cat > lua.pc << "EOF"
+V=5.4
+R=5.4.7
+
+prefix=/usr
+INSTALL_BIN=${prefix}/bin
+INSTALL_INC=${prefix}/include
+INSTALL_LIB=${prefix}/lib
+INSTALL_MAN=${prefix}/share/man/man1
+INSTALL_LMOD=${prefix}/share/lua/${V}
+INSTALL_CMOD=${prefix}/lib/lua/${V}
+exec_prefix=${prefix}
+libdir=${exec_prefix}/lib
+includedir=${prefix}/include
+
+Name: Lua
+Description: An Extensible Extension Language
+Version: ${R}
+Requires:
+Libs: -L${libdir} -llua -lm -ldl
+Cflags: -I${includedir}
+EOF
+
+patch -Np1 -i ../${PATCH}
+
+make linux
+if [ $? -ne 0 ]; then
+  echo "Failed building lua. Sorry."
+  exit 1
+fi
+
+echo "running make test"
+make test > lua.check.log 2>&1
+
+cat > makeinstall.sh << "EOF"
+#!/bin/bash
+
+make INSTALL_TOP=/usr                \
+     INSTALL_DATA="cp -d"            \
+     INSTALL_MAN=/usr/share/man/man1 \
+     TO_LIB="liblua.so liblua.so.5.4 liblua.so.5.4.7" \
+     install
+
+mkdir -p /usr/share/doc/lua-5.4.7
+cp doc/*.{html,css,gif,png} /usr/share/doc/lua-5.4.7
+install -m644 -D lua.pc /usr/lib/pkgconfig/lua.pc
+EOF
+
+echo "Investigate lua-5.4.7/lua.check.log and if looks okay, as root:"
+echo
+echo " cd lua-5.4.7"
+echo " bash makeinstall.sh"
+echo
diff --git a/README.md b/README.md
index 494394f..dd77ae6 100644
--- a/README.md
+++ b/README.md
@@ -94,4 +94,10 @@ pcre2.
 * Script: [`11-libarchive.sh`](11-libarchive.sh)
 * Status: Script Works
 
+Dependency Twelve: Lua
+----------------------
 
+Justification: Needed to build RPM. No build dependencies outside of LFS.
+
+* Script: [`12-lua.sh`](12-lua.sh)
+* Status: Script Untested