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package/pifmrds: always link with -lm

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Commit 888546e527 wrongly removed linking
with -lm resulting in the following build failure:

/home/buildroot/autobuild/run/instance-3/output-1/host/bin/arm-linux-gnueabihf-gcc  -o pi_fm_rds rds.o waveforms.o pi_fm_rds.o fm_mpx.o control_pipe.o -L/home/buildroot/autobuild/run/instance-3/output-1/host/bin/../arm-buildroot-linux-gnueabihf/sysroot/usr/lib -lsndfile
/home/buildroot/autobuild/run/instance-3/output-1/host/opt/ext-toolchain/bin/../lib/gcc/arm-linux-gnueabihf/7.3.1/../../../../arm-linux-gnueabihf/bin/ld: fm_mpx.o: undefined reference to symbol 'cos@@GLIBC_2.4'
/home/buildroot/autobuild/run/instance-3/output-1/host/arm-buildroot-linux-gnueabihf/sysroot/lib/libm.so.6: error adding symbols: DSO missing from command line

Fixes:
 - http://autobuild.buildroot.org/results/b2a6e6fd77bf9071ce9f75fed1811be9ffe5366d

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
This commit is contained in:
Fabrice Fontaine 2021-05-25 07:44:27 +02:00 committed by Arnout Vandecappelle (Essensium/Mind)
parent 52b875d3ac
commit 8258081602
1 changed files with 2 additions and 2 deletions
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4
package/pifmrds/0003-Makefile-fix-static-link.patch
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@ -15,11 +15,11 @@ diff -purN pifmrds-0bf57f9ce0d954365a38d8af8e7be6f28521c3f2.orig/src/Makefile pi
app: rds.o waveforms.o pi_fm_rds.o fm_mpx.o control_pipe.o
- $(CC) $(LDFLAGS) -o pi_fm_rds rds.o waveforms.o pi_fm_rds.o fm_mpx.o control_pipe.o -lm -lsndfile
+ $(CC) $(LDFLAGS) -o pi_fm_rds rds.o waveforms.o pi_fm_rds.o fm_mpx.o control_pipe.o $(SNDFILE_LIBS)
+ $(CC) $(LDFLAGS) -o pi_fm_rds rds.o waveforms.o pi_fm_rds.o fm_mpx.o control_pipe.o $(SNDFILE_LIBS) -lm
rds_wav: rds.o waveforms.o rds_wav.o fm_mpx.o
- $(CC) $(LDFLAGS) -o rds_wav rds_wav.o rds.o waveforms.o fm_mpx.o -lm -lsndfile
+ $(CC) $(LDFLAGS) -o rds_wav rds_wav.o rds.o waveforms.o fm_mpx.o $(SNDFILE_LIBS)
+ $(CC) $(LDFLAGS) -o rds_wav rds_wav.o rds.o waveforms.o fm_mpx.o $(SNDFILE_LIBS) -lm
rds.o: rds.c waveforms.h
$(CC) $(CFLAGS) rds.c