diff options
| -rw-r--r-- | Documentation/kbuild/makefiles.rst | 4 | ||||
| -rw-r--r-- | scripts/Makefile.userprogs | 6 |
2 files changed, 7 insertions, 3 deletions
diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst index d88d4f0f4f89..e9299971220a 100644 --- a/Documentation/kbuild/makefiles.rst +++ b/Documentation/kbuild/makefiles.rst @@ -937,6 +937,10 @@ Example:: # net/bpfilter/Makefile bpfilter_umh-userldflags += -static +To specify libraries linked to a userspace program, you can use +``<executable>-userldlibs``. The ``userldlibs`` syntax specifies libraries +linked to all userspace programs created in the current Makefile. + When linking bpfilter_umh, it will be passed the extra option -static. From command line, :ref:`USERCFLAGS and USERLDFLAGS <userkbuildflags>` will also be used. diff --git a/scripts/Makefile.userprogs b/scripts/Makefile.userprogs index fb415297337a..f3a7e1ef3753 100644 --- a/scripts/Makefile.userprogs +++ b/scripts/Makefile.userprogs @@ -19,19 +19,19 @@ user-cobjs := $(addprefix $(obj)/, $(user-cobjs)) user_ccflags = -Wp,-MMD,$(depfile) $(KBUILD_USERCFLAGS) $(userccflags) \ $($(target-stem)-userccflags) user_ldflags = $(KBUILD_USERLDFLAGS) $(userldflags) $($(target-stem)-userldflags) +user_ldlibs = $(userldlibs) $($(target-stem)-userldlibs) # Create an executable from a single .c file quiet_cmd_user_cc_c = CC [U] $@ cmd_user_cc_c = $(CC) $(user_ccflags) $(user_ldflags) -o $@ $< \ - $($(target-stem)-userldlibs) + $(user_ldlibs) $(user-csingle): $(obj)/%: $(src)/%.c FORCE $(call if_changed_dep,user_cc_c) # Link an executable based on list of .o files quiet_cmd_user_ld = LD [U] $@ cmd_user_ld = $(CC) $(user_ldflags) -o $@ \ - $(addprefix $(obj)/, $($(target-stem)-objs)) \ - $($(target-stem)-userldlibs) + $(addprefix $(obj)/, $($(target-stem)-objs)) $(user_ldlibs) $(user-cmulti): FORCE $(call if_changed,user_ld) $(call multi_depend, $(user-cmulti), , -objs) |