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| -rw-r--r-- | configure.ac | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 38c5ec8..7e1c7a5 100644 --- a/configure.ac +++ b/configure.ac @@ -49,6 +49,12 @@ LT_INIT # Dependencies AC_CHECK_HEADERS([unistd.h]) AC_CHECK_TYPE([clockid_t]) +# glibc 2.17 moved 'clock_gettime' (and the other 'clock_' functions) into the +# main C library, but pre-2.17, you needed to link with '-lrt'. (See +# https://blog.flameeyes.eu/2012/12/glibc-2-17-what-s-going-to-be-a-trouble.) +# Search for 'clock_gettime', and if it doesn't exist, add 'rt' to the link +# list. +AC_SEARCH_LIBS([clock_gettime], [rt]) GALOIS_PPAML_LIB_OPENTRACE( [], [AC_MSG_ERROR([both OTF development libraries and the 'otfconfig' program are required. You can install them from <http://tu-dresden.de/die_tu_dresden/zentrale_einrichtungen/zih/forschung/projekte/otf>.])]) |