lua: change a hard readline dependency into an optional one

This requires patching the source code, as readline is hardcoded
in there.

The rationale is to allow disabling the dependency on a gplv3
component (readline) where that license is blacklisted.

Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Alexander Kanavin 2019-10-10 13:20:25 +02:00 committed by Khem Raj
parent 1958ce5282
commit 54d9fe3e5f
2 changed files with 65 additions and 3 deletions

View File

@ -0,0 +1,59 @@
From 601ef636fc4dfb2af3e7fda88d8ea1c1d92affe4 Mon Sep 17 00:00:00 2001
From: Alexander Kanavin <alex.kanavin@gmail.com>
Date: Wed, 2 Oct 2019 17:54:15 +0200
Subject: [PATCH] Allow building lua without readline on Linux
Upstream-Status: Pending
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
---
Makefile | 2 +-
src/Makefile | 3 +++
src/luaconf.h | 5 +++++
3 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/Makefile b/Makefile
index 119110d..9f6df45 100644
--- a/Makefile
+++ b/Makefile
@@ -36,7 +36,7 @@ RM= rm -f
# == END OF USER SETTINGS -- NO NEED TO CHANGE ANYTHING BELOW THIS LINE =======
# Convenience platforms targets.
-PLATS= aix bsd c89 freebsd generic linux macosx mingw posix solaris
+PLATS= aix bsd c89 freebsd generic linux linux-no-readline macosx mingw posix solaris
# What to install.
TO_BIN= lua luac
diff --git a/src/Makefile b/src/Makefile
index 64c78f7..5c0428a 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -109,6 +109,9 @@ generic: $(ALL)
linux:
$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX" SYSLIBS="-Wl,-E -ldl -lreadline"
+linux-no-readline:
+ $(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_LINUX_NO_READLINE" SYSLIBS="-Wl,-E -ldl"
+
macosx:
$(MAKE) $(ALL) SYSCFLAGS="-DLUA_USE_MACOSX" SYSLIBS="-lreadline"
diff --git a/src/luaconf.h b/src/luaconf.h
index 9eeeea6..d71ca25 100644
--- a/src/luaconf.h
+++ b/src/luaconf.h
@@ -64,6 +64,11 @@
#define LUA_USE_READLINE /* needs some extra libraries */
#endif
+#if defined(LUA_USE_LINUX_NO_READLINE)
+#define LUA_USE_POSIX
+#define LUA_USE_DLOPEN /* needs an extra library: -ldl */
+#endif
+
#if defined(LUA_USE_MACOSX)
#define LUA_USE_POSIX
--
2.17.1

View File

@ -4,9 +4,9 @@ LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://doc/readme.html;beginline=318;endline=352;md5=60aa5cfdbd40086501778d9b6ebf29ee"
HOMEPAGE = "http://www.lua.org/"
DEPENDS = "readline"
SRC_URI = "http://www.lua.org/ftp/lua-${PV}.tar.gz;name=tarballsrc \
file://lua.pc.in \
file://0001-Allow-building-lua-without-readline-on-Linux.patch \
"
# if no test suite matches PV release of Lua exactly, download the suite for the closest Lua release.
@ -24,18 +24,21 @@ SRC_URI[tarballtest.sha256sum] = "b80771238271c72565e5a1183292ef31bd7166414cd0d4
inherit pkgconfig binconfig ptest
PACKAGECONFIG ??= "readline"
PACKAGECONFIG[readline] = ",,readline"
UCLIBC_PATCHES += "file://uclibc-pthread.patch"
SRC_URI_append_libc-uclibc = "${UCLIBC_PATCHES}"
TARGET_CC_ARCH += " -fPIC ${LDFLAGS}"
EXTRA_OEMAKE = "'CC=${CC} -fPIC' 'MYCFLAGS=${CFLAGS} -DLUA_USE_LINUX -fPIC' MYLDFLAGS='${LDFLAGS}'"
EXTRA_OEMAKE = "'CC=${CC} -fPIC' 'MYCFLAGS=${CFLAGS} -fPIC' MYLDFLAGS='${LDFLAGS}'"
do_configure_prepend() {
sed -i -e s:/usr/local:${prefix}:g src/luaconf.h
}
do_compile () {
oe_runmake linux
oe_runmake ${@bb.utils.contains('PACKAGECONFIG', 'readline', 'linux', 'linux-no-readline', d)}
}
do_install () {