X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=configure.ac;h=023cfd4e3811ac52b020bec794a948d2bbf681e3;hb=ed80995d81b7f5659bcff6872ca6e059213698bc;hp=450b43b23ce6af31047fde462918878dc91423c7;hpb=6f97f9c2bbc74605e3de2b05333ecf25fa52d6fc;p=lttng-ust.git

diff --git a/configure.ac b/configure.ac
index 450b43b2..023cfd4e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -125,15 +125,23 @@ AS_IF([test "x${ax_cv_sys_weak_alias}" = "xno"], [
 # Checks for libraries.
 AC_CHECK_LIB([dl], [dlopen], [
 	have_libdl=yes
+	libdl_name=dl
 ], [
 	#libdl not found, check for dlopen in libc.
 	AC_CHECK_LIB([c], [dlopen], [
 		have_libc_dl=yes
+		libdl_name=c
 	], [
 		AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
 	])
 ])
 
+# Check if libdl has dlmopen support.
+AH_TEMPLATE([HAVE_DLMOPEN], ["Define to 1 if dlmopen is available."])
+AC_CHECK_LIB([$libdl_name], [dlmopen],
+	[AC_DEFINE([HAVE_DLMOPEN], [1])]
+)
+
 AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
 AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])