Guillaume Laurent <[EMAIL PROTECTED]> wrote:
>
> On Friday 08 July 2005 21:56, William wrote:
>>
>> While you're at it, please mention the issue of scons searching in
>> /usr/lib/pkgconfig but not in /usr/local/lib/pkgconfig
>> causing scons potentially to miss any updated liblo installations:
>
> My liblo and several other rg-related libs are installed in /usr/local and
> scons detects them just fine... Your problem must have other causes.
Ok, I have looked into this in more detail.
I think the problem is that trusty old GNU autoconf's configure
goes to the trouble of explicitly setting PKG_CONFIG_PATH to include
/usr/local/lib/pkgconfig :
configure.in.in, line 18:
export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig
That's why RG usually configures ok across so many common distros when using
GNU autoconf. The difference with scons is that it does not set any value
in PKG_CONFIG_PATH:
scons_admin/sound.py, line 29 has got:
if os.environ.has_key("PKG_CONFIG_PATH"):
pkg_config_command = "PKG_CONFIG_PATH="+os.environ["PKG_CONFIG_PATH"]+"
pkg-config "
This just uses the default value which might be null as on some major distros.
I guess the reason scons works for you is probably that on your distro
PKG_CONFIG_PATH is set to include "/usr/local/lib/pkgconfig"?
I know it is easy to set PKG_CONFIG_PATH yourself to make scons work on a
"problem" distro but that misses the point that RG's old configure system
just works out-of-the-box on most distros, whereas RG's new scons does not.
I'd like to suggest we make RG's scons do the same thing
as the old GNU autoconf system:
--- a/scons_admin/sound.py 2005-05-18 10:40:13.000000000 +0100
+++ b/scons_admin/sound.py 2005-07-10 19:12:18.000000000 +0100
@@ -25,18 +25,20 @@
def Check_pkg_config(context, version):
context.Message('Checking for pkg-config ... ')
- pkg_config_command = 'pkg-config'
if os.environ.has_key("PKG_CONFIG_PATH"):
pkg_config_command =
"PKG_CONFIG_PATH="+os.environ["PKG_CONFIG_PATH"]+" pkg-config "
+ else:
+ pkg_config_command =
"PKG_CONFIG_PATH=/usr/local/lib/pkgconfig pkg-config "
ret = context.TryAction(pkg_config_command+'
--atleast-pkgconfig-version=%s' % version)[0]
context.Result(ret)
return ret
def Check_package(context, module, version):
context.Message('Checking for %s >= %s ... ' % (module,
version))
- pkg_config_command = 'pkg-config'
if os.environ.has_key("PKG_CONFIG_PATH"):
pkg_config_command =
"PKG_CONFIG_PATH="+os.environ["PKG_CONFIG_PATH"]+" pkg-config "
+ else:
+ pkg_config_command =
"PKG_CONFIG_PATH=/usr/local/lib/pkgconfig pkg-config "
ret = context.TryAction(pkg_config_command+' %s
--atleast-version=%s' % (module, version))[0]
if ret:
env.ParseConfig(pkg_config_command+' %s --cflags
--libs' % module);
William
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