cirros-testvm/src-cirros/buildroot-2015.05/package/ltp-testsuite/0001-fix-build-on-uClibc-exp10.patch

   1 Inspired by: http://peter.korsgaard.com/patches/alsa-utils/alsamixer-fix-build-on-uClibc-exp10.patch
   2
   3 exp10 extension is not part of uClibc, so compute it.
   4
   5
   6 Signed-off-by: Samuel Martin <s.martin49@gmail.com>
   7
   8 diff -purN ltp-testsuite-20101031.orig/testcases/realtime/lib/libstats.c ltp-testsuite-20101031/testcases/realtime/lib/libstats.c
   9 --- ltp-testsuite-20101031.orig/testcases/realtime/lib/libstats.c       2012-10-22 23:19:02.306646174 +0200
  10 +++ ltp-testsuite-20101031/testcases/realtime/lib/libstats.c    2012-10-22 23:25:41.554847766 +0200
  11 @@ -46,6 +46,11 @@
  12  #include <libstats.h>
  13  #include <librttest.h>
  14
  15 +#ifdef __UCLIBC__
  16 +/* 10^x = 10^(log e^x) = (e^x)^log10 = e^(x * log 10) */
  17 +#define exp10(x) (exp((x) * log(10)))
  18 +#endif /* __UCLIBC__ */
  19 +
  20  int save_stats = 0;
  21
  22  /* static helper functions */