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bbb66c1044
dvblast links to -lev, which calls functions from -lm, like floor().
dvblast does not use libtool, so it does not pull in the libev
dependencies when doing a static link.
Fix that by always pulling in -lm after -lev. We can not do it from the
.mk, because libraries passed from the .mk end up at the beginning of
the list.
Fixes:
http://autobuild.buildroot.org/results/1f0/1f02f84fb926839a1adbe3af457bb909fdc44433/
http://autobuild.buildroot.org/results/6af/6af3abcdced1cc689a59fe11483f5cdcae0cfd38/
...
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Julian Scheel <julian@jusst.de>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
30 lines
1.1 KiB
Diff
30 lines
1.1 KiB
Diff
dvblast: fix static linking
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dvblast links to -lev, wihch uses functions from the maths library,
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like floor().
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When linking to a shared libev.so, that dependency is automatically
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pulled in because libev as a DT_NEEDED ELF tag on libm.so.
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But when lnking to the static libev.a, since there is no way to express
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such dependencies in static libraries, libm is not pulled in, which
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leads to build failures such as;
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http://autobuild.buildroot.org/results/1f0/1f02f84fb926839a1adbe3af457bb909fdc44433/build-end.log
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Fix that by always linking to -lm (which must come *after* -lev).
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Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
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diff -durN dvblast-3.0.orig/Makefile dvblast-3.0/Makefile
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--- dvblast-3.0.orig/Makefile 2015-10-05 17:51:14.000000000 +0200
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+++ dvblast-3.0/Makefile 2015-10-30 15:57:19.547123894 +0100
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@@ -28,7 +28,7 @@
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LDLIBS += -lstreammaster
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endif
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-LDLIBS_DVBLAST += -lpthread -lev
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+LDLIBS_DVBLAST += -lpthread -lev -lm
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OBJ_DVBLAST = dvblast.o util.o dvb.o udp.o asi.o demux.o output.o en50221.o comm.o mrtg-cnt.o asi-deltacast.o
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OBJ_DVBLASTCTL = util.o dvblastctl.o
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