[Bug 220590] math/fftw3: fails to build on armv6 (729 ports skipped)

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Mon Jul 31 11:59:09 UTC 2017


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220590

--- Comment #10 from commit-hook at freebsd.org ---
A commit references this bug:

Author: jhale
Date: Mon Jul 31 11:58:28 UTC 2017
New revision: 446955
URL: https://svnweb.freebsd.org/changeset/ports/446955

Log:
  Fix build on armv6. The -funsafe-math-optimizations flag in Clang (pulled in
by
  -ffast-math) is emitting references to the sincos() function which is not
  implemented on versions of FreeBSD < 1200032. Workaround by adding
  -fno-unsafe-math-optimizations to armv6 CFLAGS.

  /bin/sh ../libtool  --tag=CC   --mode=link /nxb-bin/usr/bin/cc -D_THREAD_SAFE
-pthread -O2 -pipe  -O3 -ffast-math -fstrict-aliasing -fomit-frame-pointer   -o
bench bench-bench.o bench-hook.o bench-fftw-bench.o
../threads/libfftw3_threads.la ../libfftw3.la ../libbench2/libbench2.a  -lm
  libtool: link: /nxb-bin/usr/bin/cc -D_THREAD_SAFE -pthread -O2 -pipe -O3
-ffast-math -fstrict-aliasing -fomit-frame-pointer -o .libs/bench bench-bench.o
bench-hook.o bench-fftw-bench.o  ../threads/.libs/libfftw3_threads.so
../.libs/libfftw3.so ../libbench2/libbench2.a -lm -pthread -Wl,-rpath
-Wl,/usr/local/lib
  ./libbench2/libbench2.a(verify-lib.o): In function `aphase_shift':
  verify-lib.c:(.text+0x578): undefined reference to `sincos'
  ./libbench2/libbench2.a(verify-lib.o): In function `tf_shift':
  verify-lib.c:(.text+0x13a0): undefined reference to `sincos'
  verify-lib.c:(.text+0x16e4): undefined reference to `sincos'
  cc: error: linker command failed with exit code 1 (use -v to see invocation)
  gmake[3]: *** [Makefile:400: bench] Error 1
  gmake[3]: Leaving directory
'/wrkdirs/usr/ports/math/fftw3/work/fftw-3.3.6-pl2/tests'
  gmake[2]: *** [Makefile:684: all-recursive] Error 1
  gmake[2]: Leaving directory
'/wrkdirs/usr/ports/math/fftw3/work/fftw-3.3.6-pl2'
  gmake[1]: *** [Makefile:549: all] Error 2
  gmake[1]: Leaving directory
'/wrkdirs/usr/ports/math/fftw3/work/fftw-3.3.6-pl2'
  *** Error code 1

  PR:           220590
  Submitted by: jbeich

Changes:
  head/math/fftw3/Makefile

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