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Build: always link explicitly agrainst lib rt

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This improves sane library dependencies, as mandated
by debian policy. Some of the librt functions are in such
wide use, that we'd get them through transitive dependencies
anyway. But linking explicitly against a function adds the
DT_NEEDED for this library to our build artefacts. This is
correct, since we're actually using these functions ourselves,
making them into direct dependencies.
This commit is contained in:
Fischlurch 2013-11-08 23:40:26 +01:00
parent 8defe47507
commit 1e04ee16ea
1 changed files with 4 additions and 6 deletions
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10
admin/scons/Platform.py
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@ -56,6 +56,10 @@ def configure(env):
conf.env.Append(CPPFLAGS = ' -DHAVE_PTHREAD')
conf.env.Append(CCFLAGS = ' -pthread')
if not conf.CheckLib(symbol='clock_gettime', library='rt'):
problems.append('We expect the POSIX realtime extensions to be available through librt. ' +
'Unable to use clock_gettime()')
if conf.CheckCHeader('execinfo.h'):
conf.env.Append(CPPFLAGS = ' -DHAVE_EXECINFO_H')
@ -89,12 +93,6 @@ def configure(env):
problems.append('We need the boost regular expression lib (incl. binary lib for linking).')
if conf.CheckLib(symbol='clock_gettime'):
print 'Using function clock_gettime() as defined in the C-lib...'
else:
if not conf.CheckLib(symbol='clock_gettime', library='rt'):
problems.append('No library known to provide the clock_gettime() function.')
if not conf.CheckPkgConfig('gavl', 1.0):
problems.append('Did not find Gmerlin Audio Video Lib [http://gmerlin.sourceforge.net/gavl.html].')
else: