Notes on portability, and on when #include <linux/blah> is appropriate.

[oweals/busybox.git] / Makefile

diff --git a/Makefile b/Makefile
index 977df5d4e3df4862a16da0c1c9182d80940361ed..8c7cb41bea7cd5ef8c66279d90a9dcf5d4c11b9c 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -136,6 +136,7 @@ help:
        @echo '  randconfig             - generate a random configuration'
        @echo '  release                - create a distribution tarball'
        @echo '  sizes                  - show size of all enabled busybox symbols'
+       @echo '  objsizes               - show size of each .o object built'
        @echo
 
 
@@ -349,9 +350,14 @@ check test: busybox
        bindir=$(top_builddir) srcdir=$(top_srcdir)/testsuite \
        $(top_srcdir)/testsuite/runtest $(CHECK_VERBOSE)
 
+.PHONY: sizes
 sizes: busybox_unstripped
        $(NM) --size-sort $(<)
 
+.PHONY: objsizes
+objsizes: busybox_unstripped
+       $(SHELL) $(top_srcdir)/scripts/objsizes
+
 # Documentation Targets
 doc: docs/busybox.pod docs/BusyBox.txt docs/BusyBox.1 docs/BusyBox.html
 
@@ -387,7 +393,7 @@ docs/busybox.net/BusyBox.html: docs/busybox.pod
 
 # The nifty new dependency stuff
 scripts/bb_mkdep: $(top_srcdir)/scripts/bb_mkdep.c
-       $(Q)$(HOSTCC) $(HOSTCFLAGS) -o $@ $<
+       $(do_link.h)
 
 DEP_INCLUDES := include/bb_config.h
 
@@ -399,6 +405,13 @@ include/bbconfigopts.h: .config
        $(Q)$(top_srcdir)/scripts/config/mkconfigs > $@
 endif
 
+scripts/usage: $(top_srcdir)/scripts/usage.c .config
+       $(do_link.h) -I$(top_srcdir)/include
+
+DEP_INCLUDES += include/usage_compressed.h
+include/usage_compressed.h: .config scripts/usage
+       $(Q)sh $(top_srcdir)/scripts/usage_compressed "$(top_srcdir)/scripts" > $@
+
 depend dep: .depend
 .depend: scripts/bb_mkdep $(DEP_INCLUDES)
        $(disp_gen)