On Linux, the functions in the dlopen API are in libdl. However, on
FreeBSD, libdl doesn't exist and the functions are instead in libc.
Signed-off-by: Eric Biggers <ebigge...@gmail.com>
---
configure.ac | 10 ++++++++++
src/Makefile.am | 4 ++--
2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/configure.ac b/configure.ac
index 1f96263..095d00b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -543,6 +543,16 @@ AC_CHECK_FUNCS([ \
])
AC_SYS_LARGEFILE
+# The dlopen API might be in libc or in libdl. Check libc first, then
+# fall back to libdl.
+LIBDL=""
+if test "x${disable_plugins}" = "xno"; then
+ AC_CHECK_LIB(c, dlopen, ,
+ [AC_CHECK_LIB(dl, dlopen, [LIBDL="-ldl"],
+ [AC_MSG_ERROR(["Unable to find libdl (required for
external plugin support)"])])])
+fi
+AC_SUBST([LIBDL])
+
if test "$GCC" = "yes" ; then
# We add -Wall to enable some compiler warnings.
CFLAGS="${CFLAGS} -Wall"
diff --git a/src/Makefile.am b/src/Makefile.am
index d689527..8d98408 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -23,7 +23,7 @@ rootbin_PROGRAMS = ntfs-3g lowntfs-3g
rootsbin_DATA = #Create directory
man_MANS = ntfs-3g.8 ntfs-3g.probe.8
-ntfs_3g_LDADD = -ldl $(FUSE_LIBS) $(top_builddir)/libntfs-3g/libntfs-3g.la
+ntfs_3g_LDADD = $(LIBDL) $(FUSE_LIBS)
$(top_builddir)/libntfs-3g/libntfs-3g.la
if REALLYSTATIC
ntfs_3g_LDFLAGS = $(AM_LDFLAGS) -all-static
endif
@@ -35,7 +35,7 @@ ntfs_3g_CFLAGS = \
$(PLUGIN_CFLAGS)
ntfs_3g_SOURCES = ntfs-3g.c ntfs-3g_common.c
-lowntfs_3g_LDADD = -ldl $(FUSE_LIBS)
$(top_builddir)/libntfs-3g/libntfs-3g.la
+lowntfs_3g_LDADD = $(LIBDL) $(FUSE_LIBS)
$(top_builddir)/libntfs-3g/libntfs-3g.la
if REALLYSTATIC
lowntfs_3g_LDFLAGS = $(AM_LDFLAGS) -all-static
endif
--
2.9.0
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