X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=configure.ac;h=f8af52c1e2ceb89a603bdc6c18ce7d5d24841837;hp=c07052a0f0f0d63677d86bdf297904926af40e40;hb=6816a5cb0ae2e7b7ee9e6b460629f89a2f4f99e6;hpb=b2c3836f9872dfe8c0328c03fa5a01efe0ed6017

diff --git a/configure.ac b/configure.ac
index c07052a0f..f8af52c1e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -116,6 +116,24 @@ AM_CONDITIONAL([HAVE_LIBLTTNG_UST_CTL], [ test "x$ac_cv_lib_lttng_ust_ctl_ustctl
 
 AC_CHECK_FUNCS([sched_getcpu sysconf])
 
+# check for dlopen
+AC_CHECK_LIB([dl], [dlopen],
+[
+	have_libdl=yes
+],
+[
+	#libdl not found, check for dlopen in libc.
+	AC_CHECK_LIB([c], [dlopen],
+	[
+		have_libc_dl=yes
+	],
+	[
+		AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
+	])
+])
+AM_CONDITIONAL([LTTNG_TOOLS_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
+AM_CONDITIONAL([LTTNG_TOOLS_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])
+
 # Option to only build the consumer daemon and its libraries
 AC_ARG_WITH([consumerd-only],
 	AS_HELP_STRING([--with-consumerd-only],[Only build the consumer daemon [default=no]]),