diff options
| author | Siddhesh Poyarekar <siddhesh@redhat.com> | 2014-11-19 12:13:54 +0530 |
|---|---|---|
| committer | Siddhesh Poyarekar <siddhesh@redhat.com> | 2014-11-19 12:13:54 +0530 |
| commit | 9cd4747089e6b0d6ed6b2b6c75798912489c7bab (patch) | |
| tree | b8804d1fcbe700d16978f82cb76aa8a5bbcf8544 /Makeconfig | |
| parent | d71035bd9a3a1dc5077ab8d978398f2f960d3555 (diff) | |
| download | glibc-9cd4747089e6b0d6ed6b2b6c75798912489c7bab.tar.gz glibc-9cd4747089e6b0d6ed6b2b6c75798912489c7bab.tar.xz glibc-9cd4747089e6b0d6ed6b2b6c75798912489c7bab.zip | |
Add new macro IN_MODULE to identify module in which source is built
The current scheme to identify which module a translation unit is built in depends on defining multiple macros IS_IN_* and also defining NOT_IN_libc if we're building a non-libc module. In addition, there is an IN_LIB macro that does effectively the same thing, but for different modules (notably the systemtap probes). This macro scheme unifies both ideas to use just one macro IN_MODULE and assign it a value depending on the module it is being built into. If the module is not defined, it defaults to MODULE_libc. Patches that follow will replace uses of IS_IN_* variables with the IS_IN() macro. libc-symbols.h has been converted already to give an example of how such a transition will look. Verified that there are no relevant binary changes. One source change that will crop up repeatedly is that of nscd_stat, since it uses the build timestamp as a constant in its logic. * Makeconfig (in-module): Get value of libof set for the translation unit. (CPPFLAGS): Use $(in-module). * Makerules: Don't suffix routine names for nonlib. * include/libc-modules.h: New file. * include/libc-symbols.h: Include libc-modules.h (IS_IN): New macro to replace IS_IN_* macros. * elf/Makefile: Set libof-* for each routine. * elf/rtld-Rules: Likewise. * extra-modules.mk: Likewise. * iconv/Makefile: Likewise. * iconvdata/Makefile: Likewise. * locale/Makefile: Likewise. * malloc/Makefile: Likewise. * nss/Makefile: Likewise. * sysdeps/gnu/Makefile: Likewise. * sysdeps/ieee754/ldbl-opt/Makefile: Likewise. * sysdeps/unix/sysv/linux/Makefile: Likewise. * sysdeps/s390/s390-64/Makefile: Likewise. * nscd/Makefile: Set libof-* for each routine. Set CFLAGS and CPPFLAGS for nscd instead of nonlib.
Diffstat (limited to 'Makeconfig')
| -rw-r--r-- | Makeconfig | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Makeconfig b/Makeconfig index 24a3b82c78..9f88f7ca5b 100644 --- a/Makeconfig +++ b/Makeconfig @@ -813,6 +813,11 @@ endif # $(+cflags) == "" # of many little headers in the include directory. libio-include = -I$(..)libio +in-module = $(subst -,_,$(firstword $(libof-$(basename $(@F))) \ + $(libof-$(<F)) \ + $(libof-$(@F)) \ + libc)) + # 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 @@ -821,7 +826,7 @@ CPPFLAGS = $(config-extra-cppflags) $(CPPUNDEFS) $(CPPFLAGS-config) \ $($(subdir)-CPPFLAGS) \ $(+includes) $(defines) \ -include $(..)include/libc-symbols.h $(sysdep-CPPFLAGS) \ - $(CPPFLAGS-$(suffix $@)) \ + $(CPPFLAGS-$(suffix $@)) -DIN_MODULE=MODULE_$(in-module) \ $(foreach lib,$(libof-$(basename $(@F))) \ $(libof-$(<F)) $(libof-$(@F)),$(CPPFLAGS-$(lib))) \ $(CPPFLAGS-$(<F)) $(CPPFLAGS-$(@F)) $(CPPFLAGS-$(basename $(@F))) |