autoconf: automatically detect if -ldl is required.
This logic was copied from the xserver.
diff --git a/configure.ac b/configure.ac
index 504d9ac..99657eb 100644
--- a/configure.ac
+++ b/configure.ac
@@ -43,6 +43,11 @@
fi
AC_SUBST(MKDEP_OPTIONS)
+dnl Check to see if dlopen is in default libraries (like Solaris, which
+dnl has it in libc), or if libdl is needed to get it.
+AC_CHECK_FUNC([dlopen], [],
+ AC_CHECK_LIB([dl], [dlopen], DLOPEN_LIBS="-ldl"))
+
dnl Make sure the pkg-config macros are defined
m4_ifdef([PKG_PROG_PKG_CONFIG],,[
AC_MSG_ERROR([The pkg-config autoconf macros are not defined.
@@ -399,7 +404,7 @@
fi
# need DRM libs, -lpthread, etc.
- GL_LIB_DEPS="$GL_LIB_DEPS $LIBDRM_LIBS -lm -lpthread -ldl"
+ GL_LIB_DEPS="$GL_LIB_DEPS $LIBDRM_LIBS -lm -lpthread $DLOPEN_LIBS"
;;
osmesa)
# No libGL for osmesa
@@ -550,7 +555,7 @@
AC_MSG_ERROR([Expat required for DRI.]))
# put all the necessary libs together
- DRI_LIB_DEPS="$SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIB -lm -lpthread -ldl"
+ DRI_LIB_DEPS="$SELINUX_LIBS $LIBDRM_LIBS $EXPAT_LIB -lm -lpthread $DLOPEN_LIBS"
fi
AC_SUBST(DRI_DIRS)
AC_SUBST(EXPAT_INCLUDES)