[lxc-devel] [PATCH v2] configure/makefile: Allow specify Lua pkg-config file with --with-lua-pc

S.Çağlar Onur caglar at 10ur.org
Fri Sep 6 00:17:09 UTC 2013


Hi,

It looks like this patch changed the default behavior and configure started
to enable Lua even when it gets called without --enable-lua parameter.

./configure --prefix=/usr --sysconfdir=/etc --bindir=/usr/bin
--libdir=/usr/lib/x86_64-linux-gnu/ --localstatedir=/var
--includedir=/usr/include --disable-rpath --enable-python

checking for a BSD-compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for a thread-safe mkdir -p... /bin/mkdir -p
checking for gawk... gawk
checking whether make sets $(MAKE)... yes
checking build system type... x86_64-unknown-linux-gnu
checking host system type... x86_64-unknown-linux-gnu
checking for style of include used by make... GNU
checking for gcc... gcc
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc accepts -g... yes
checking for gcc option to accept ISO C89... none needed
checking dependency style of gcc... gcc3
checking whether gcc and cc understand -c and -o together... yes
checking how to run the C preprocessor... gcc -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking minix/config.h usability... no
checking minix/config.h presence... no
checking for minix/config.h... no
checking whether it is safe to define __EXTENSIONS__... yes
checking host distribution... ubuntu
checking for newuidmap... no
checking for docbook2x-man... no
checking for aa_change_profile in -lapparmor... no
checking for gnutls_hash_fast in -lgnutls... no
checking for seccomp_init in -lseccomp... no
checking for scmp_filter_ctx... no
checking for pkg-config... /usr/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for a Python interpreter with version >= 3.2... python3
checking for python3... /usr/bin/python3
checking for python3 version... 3.3
checking for python3 platform... linux
checking for python3 script directory... ${prefix}/lib/python3/dist-packages
checking for python3 extension module directory...
${exec_prefix}/lib/python3/dist-packages
checking for PYTHONDEV... yes
checking for LUA... no
checking for LUA... no
checking for LUA... no
configure: error: Package requirements (lua5.1) were not met:

No package 'lua5.1' found

Consider adjusting the PKG_CONFIG_PATH environment variable if you
installed software in a non-standard prefix.

Alternatively, you may set the environment variables LUA_CFLAGS
and LUA_LIBS to avoid the need to call pkg-config.
See the pkg-config man page for more details.


On Thu, Sep 5, 2013 at 11:13 AM, Natanael Copa <ncopa at alpinelinux.org>wrote:

> Enable support for both Lua 5.1 and 5.2 by let user specify the Lua
> pkg-config package name. By default it will use 'lua' and try figure
> out which version it is.
>
> Signed-off-by: Natanael Copa <ncopa at alpinelinux.org>
> ---
> Changes v1 -> v2:
>  - define PKG_CHECK_VAR which was introduced in pkg-config 0.28. Ubuntu
>    ships 0.26.
>
>  configure.ac            | 47
> ++++++++++++++++++++++++++++++++++++++---------
>  src/lua-lxc/Makefile.am |  4 ++--
>  2 files changed, 40 insertions(+), 11 deletions(-)
>
> diff --git a/configure.ac b/configure.ac
> index 6b68703..1e2c713 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -150,22 +150,51 @@ AM_COND_IF([ENABLE_PYTHON],
>         PKG_CHECK_MODULES([PYTHONDEV], [python3 >=
> 3.2],[],[AC_MSG_ERROR([You must install python3-dev])])
>         AC_DEFINE_UNQUOTED([ENABLE_PYTHON], 1, [Python3 is available])])
>
> -# Lua module and scripts
> -if test x"$with_distro" = "xdebian" -o x"$with_distro" = "xubuntu" ; then
> -    LUAPKGCONFIG=lua5.1
> -else
> -    LUAPKGCONFIG=lua
> -fi
> +dnl PKG_CHECK_VAR was introduced with pkg-config 0.28
> +m4_ifdef([PKG_CHECK_VAR], [],
> +[AC_DEFUN([PKG_CHECK_VAR],
> +    [AC_REQUIRE([PKG_PROG_PKG_CONFIG])dnl
> +     AC_ARG_VAR([$1], [value of $3 for $2, overriding pkg-config])dnl
> +     _PKG_CONFIG([$1], [variable="][$3]["], [$2])
> +     AS_VAR_COPY([$1], [pkg_cv_][$1])
> +     AS_VAR_IF([$1], [""], [$5], [$4])dnl
> +    ])# PKG_CHECK_VAR
> +])
>
> +# Lua module and scripts
>  AC_ARG_ENABLE([lua],
>         [AC_HELP_STRING([--enable-lua], [enable lua binding])],
>         [enable_lua=yes], [enable_lua=no])
>
> -AM_CONDITIONAL([ENABLE_LUA], [test "x$enable_lua" = "xyes"])
> +AC_ARG_WITH([lua-pc],
> +       [AS_HELP_STRING(
> +               [--with-lua-pc=PKG],
> +               [Specify pkg-config package name for lua]
> +       )],
> +       [LUAPKGCONFIG=$with_lua_pc
> +       enable_lua=yes], [with_lua_pc=auto])
> +
> +AM_CONDITIONAL([ENABLE_LUA],
> +       [test "x$enable_lua" = "xyes" -o "xwith_lua_pc != xno"])
>
>  AM_COND_IF([ENABLE_LUA],
> -       [PKG_CHECK_MODULES([LUA], [$LUAPKGCONFIG >=
> 5.1],[],[AC_MSG_ERROR([You must install lua-devel for lua 5.1])])
> -       AC_DEFINE_UNQUOTED([ENABLE_LUA], 1, [Lua is available])])
> +       [AS_IF([test "x$with_lua_pc" = "xauto"],
> +               [PKG_CHECK_MODULES([LUA], [lua],[LUAPKGCONFIG=lua],
> +                       [PKG_CHECK_MODULES([LUA],
> [lua5.2],[LUAPKGCONFIG=lua5.2],
> +                               [PKG_CHECK_MODULES([LUA], [lua5.1],
> +                                       [LUAPKGCONFIG=lua5.1])]
> +                       )]
> +               )],
> +               [PKG_CHECK_MODULES([LUA], [$with_lua_pc])])
> +       AC_MSG_CHECKING([Lua version])
> +       PKG_CHECK_VAR([LUA_VERSION], [$LUAPKGCONFIG], [V],,
> +               [PKG_CHECK_VAR([LUA_VERSION], [$LUAPKGCONFIG],
> [major_version])])
> +       AC_MSG_RESULT([$LUA_VERSION])
> +       PKG_CHECK_VAR([LUA_INSTALL_CMOD], [$LUAPKGCONFIG], [INSTALL_CMOD],,
> +               [LUA_INSTALL_CMOD=$libdir/lua/$LUA_VERSION])
> +       PKG_CHECK_VAR([LUA_INSTALL_LMOD], [$LUAPKGCONFIG], [INSTALL_LMOD],,
> +               [LUA_INSTALL_LMOD=$datadir/lua/$LUA_VERSION])
> +       ])
>
>  # Optional test binaries
>  AC_ARG_ENABLE([tests],
> diff --git a/src/lua-lxc/Makefile.am b/src/lua-lxc/Makefile.am
> index 82dbae8..11eabfd 100644
> --- a/src/lua-lxc/Makefile.am
> +++ b/src/lua-lxc/Makefile.am
> @@ -1,7 +1,7 @@
>  if ENABLE_LUA
>
> -luadir=$(datadir)/lua/5.1
> -sodir=$(libdir)/lua/5.1/lxc
> +luadir=$(LUA_INSTALL_LMOD)
> +sodir=$(LUA_INSTALL_CMOD)/lxc
>
>  lua_SCRIPTS=lxc.lua
>
> --
> 1.8.4
>
>
>
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-- 
S.Çağlar Onur <caglar at 10ur.org>
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