Require libdl for dynamic linking at runtime

[riscv-isa-sim.git] / riscv / riscv.ac

diff --git a/riscv/riscv.ac b/riscv/riscv.ac
index a65039b34cb6edb165556695449cf93656ed2324..b0b22827619ad9543449af4da20f8986bd18016b 100644 (file)
--- a/riscv/riscv.ac
+++ b/riscv/riscv.ac
@@ -11,6 +11,8 @@ AC_CHECK_LIB(fesvr, libfesvr_is_present, [], [AC_MSG_ERROR([libfesvr is required
 
 AC_CHECK_LIB(pthread, pthread_create, [], [AC_MSG_ERROR([libpthread is required])])
 
+AC_CHECK_LIB(dl, dlopen, [], [AC_MSG_ERROR([libdl is required])])
+
 AC_ARG_ENABLE([fpu], AS_HELP_STRING([--disable-fpu], [Disable floating-point]))
 AS_IF([test "x$enable_fpu" != "xno"], [
   AC_DEFINE([RISCV_ENABLE_FPU],,[Define if floating-point instructions are supported])