Do not link it unconditionally into all binaries.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190202072456.6468-6-yang.zhong@intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 default-configs/i386-softmmu.mak | 1 +
 hw/pci-host/Makefile.objs        | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak
index 2f919df..48da996 100644
--- a/default-configs/i386-softmmu.mak
+++ b/default-configs/i386-softmmu.mak
@@ -67,3 +67,4 @@ CONFIG_I2C=y
 CONFIG_SEV=$(CONFIG_KVM)
 CONFIG_VTD=y
 CONFIG_AMD_IOMMU=y
+CONFIG_PAM=y
diff --git a/hw/pci-host/Makefile.objs b/hw/pci-host/Makefile.objs
index 073d512..a9cd3e0 100644
--- a/hw/pci-host/Makefile.objs
+++ b/hw/pci-host/Makefile.objs
@@ -1,4 +1,4 @@
-common-obj-y += pam.o
+common-obj-$(CONFIG_PAM) += pam.o
 
 # PPC devices
 common-obj-$(CONFIG_PREP_PCI) += prep.o
-- 
1.8.3.1