diff options
| -rw-r--r-- | configure.ac | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index 11f98764..bc6c1ce6 100644 --- a/configure.ac +++ b/configure.ac @@ -244,6 +244,10 @@ dnl exactly which version of libltdl is present in the system, so we dnl just assume that it's a working version as long as we have the dnl library and the header files. dnl +dnl As an extra safety device, check for lt_dladvise_init() which is +dnl only implemented in libtool 2.x, and refine as we go if we have +dnl refined requirements. +dnl dnl Check the header files first since the system may have a dnl libltdl.so for runtime, but no headers, and we want to bail out as dnl soon as possible. @@ -253,7 +257,7 @@ dnl can give the proper place to find libltdl through the standard dnl variables like LDFLAGS and CPPFLAGS. AC_CHECK_HEADER([ltdl.h], - [AC_CHECK_LIB([ltdl], [lt_dlopen], [LIBLTDL=-lltdl], [LIBLTDL=])], + [AC_CHECK_LIB([ltdl], [lt_dladvise_init], [LIBLTDL=-lltdl], [LIBLTDL=])], [LIBLTDL=]) AS_IF([test "x$LIBLTDL" = "x"], |