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| author | Marco Gigante <m.gigante@nextworks.it> | 2016-11-23 08:44:07 +0100 |
|---|---|---|
| committer | Marco Gigante <m.gigante@nextworks.it> | 2016-11-23 08:44:07 +0100 |
| commit | c52c738408377373bccc8c8133eda88985a50573 (patch) | |
| tree | bea347f80cadce68c298ba64797cbf68d4f49796 /configure.ac | |
| parent | f670eefd849f8805f201939215e358b47ebd0ff7 (diff) | |
Checking for libdl vs. libc during configure
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 70e3f1888..0e46e15aa 100644 --- a/configure.ac +++ b/configure.ac @@ -50,6 +50,11 @@ if test -f $PCAP_HOME/libpcap/libpcap.a; then : AC_CHECK_LIB([rt], [clock_gettime], [PCAP_LIB="$PCAP_LIB -lrt"]) AC_CHECK_LIB([nl], [nl_handle_alloc], [PCAP_LIB="$PCAP_LIB -lnl"]) + # The dlopen() function is in libdl on GLIBC-based systems + # and in the C library for *BSD systems + AC_CHECK_LIB([dl], [dlopen, dlsym], [DL_LIB="-ldl"], + [AC_CHECK_LIB([c], [dlopen, dlsym], [DL_LIB="-lc"], + [AC_MSG_ERROR([unable to find the dlopen(), dlsym() functions]) ]) ]) else AC_CHECK_LIB([pcap], [pcap_open_live], [PCAP_LIB="-lpcap"]) @@ -94,6 +99,7 @@ AC_SUBST(SVN_DATE) AC_SUBST(JSON_C_LIB) AC_SUBST(PCAP_INC) AC_SUBST(PCAP_LIB) +AC_SUBST(DL_LIB) AC_SUBST(HAVE_PTHREAD_SETAFFINITY_NP) AC_OUTPUT |