diff options
Diffstat (limited to 'Makeconfig')
| -rw-r--r-- | Makeconfig | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/Makeconfig b/Makeconfig index 9f88f7ca5b..1a26cc5568 100644 --- a/Makeconfig +++ b/Makeconfig @@ -813,20 +813,39 @@ endif # $(+cflags) == "" # of many little headers in the include directory. libio-include = -I$(..)libio +# List of non-library modules that we build. +built-modules = iconvprogs iconvdata ldconfig lddlibc4 libmemusage \ + libSegFault libpcprofile librpcsvc locale-programs \ + memusagestat nonlib nscd extramodules libnldbl + +# We don't include libc-modules.h when these targets are being built. These +# targets don't (and will likely never need to) use the IS_IN facility. In +# fact, shlib-versions should not use it because that will create a circular +# dependency as libc-modules.h is generated from shlib-versions. +skip-module-cppflags = shlib-versions.v.i Versions.v.i + in-module = $(subst -,_,$(firstword $(libof-$(basename $(@F))) \ $(libof-$(<F)) \ $(libof-$(@F)) \ libc)) +module-cppflags-real = -include $(common-objpfx)libc-modules.h \ + -DIN_MODULE=MODULE_$(in-module) + +# We don't need libc-modules.h and the IN_MODULE definition for +# shlib-version.v.i. +module-cppflags = $(if $(filter $(@F),$(skip-module-cppflags)), \ + ,$(module-cppflags-real)) + # These are the variables that the implicit compilation rules use. # Note that we can't use -std=* in CPPFLAGS, because it overrides # the implicit -lang-asm and breaks cpp behavior for .S files--notably # it causes cpp to stop predefining __ASSEMBLER__. CPPFLAGS = $(config-extra-cppflags) $(CPPUNDEFS) $(CPPFLAGS-config) \ $($(subdir)-CPPFLAGS) \ - $(+includes) $(defines) \ + $(+includes) $(defines) $(module-cppflags) \ -include $(..)include/libc-symbols.h $(sysdep-CPPFLAGS) \ - $(CPPFLAGS-$(suffix $@)) -DIN_MODULE=MODULE_$(in-module) \ + $(CPPFLAGS-$(suffix $@)) \ $(foreach lib,$(libof-$(basename $(@F))) \ $(libof-$(<F)) $(libof-$(@F)),$(CPPFLAGS-$(lib))) \ $(CPPFLAGS-$(<F)) $(CPPFLAGS-$(@F)) $(CPPFLAGS-$(basename $(@F))) @@ -986,6 +1005,23 @@ endif postclean-generated += soversions.mk soversions.i \ shlib-versions.v shlib-versions.v.i +before-compile += $(common-objpfx)libc-modules.h +ifeq ($(soversions.mk-done),t) +# Generate a header with macro definitions for use with the IS_IN macro. +# These are the possible values for the IN_MODULE macro defined when building +# sources, to identify which module the translation unit is going to be built +# into. +$(common-objpfx)libc-modules.h: $(common-objpfx)libc-modules.stmp; @: +$(common-objpfx)libc-modules.stmp: $(..)scripts/gen-libc-modules.awk \ + $(common-objpfx)soversions.i + $(AWK) -v buildlist="$(subst -,_,$(built-modules))" -f $^ > ${@:stmp=T} + $(move-if-change) ${@:stmp=T} ${@:stmp=h} + touch $@ + +endif + +common-generated += libc-modules.h libc-modules.stmp + # The name under which the run-time dynamic linker is installed. # We are currently going for the convention that `/lib/ld.so.1' # names the SVR4/ELF ABI-compliant dynamic linker. |