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authorSiddhesh Poyarekar <siddhesh@redhat.com>2014-11-19 12:13:54 +0530
committerSiddhesh Poyarekar <siddhesh@redhat.com>2014-11-19 12:13:54 +0530
commit9cd4747089e6b0d6ed6b2b6c75798912489c7bab (patch)
treeb8804d1fcbe700d16978f82cb76aa8a5bbcf8544 /nscd
parentd71035bd9a3a1dc5077ab8d978398f2f960d3555 (diff)
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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 'nscd')
-rw-r--r--nscd/Makefile13
1 files changed, 6 insertions, 7 deletions
diff --git a/nscd/Makefile b/nscd/Makefile
index 639d87b9f8..7ab4e9de9d 100644
--- a/nscd/Makefile
+++ b/nscd/Makefile
@@ -79,23 +79,22 @@ CFLAGS-nscd_gethst_r.c = -fexceptions
 CFLAGS-nscd_getai.c = -fexceptions
 CFLAGS-nscd_initgroups.c = -fexceptions
 
-CPPFLAGS-nonlib += -DIS_IN_nscd=1 -D_FORTIFY_SOURCE=2
+CPPFLAGS-nscd += -DIS_IN_nscd=1 -D_FORTIFY_SOURCE=2 -DNOT_IN_libc=1
 
 ifeq (yesyes,$(have-fpie)$(build-shared))
-CFLAGS-nonlib += $(pie-ccflag)
+CFLAGS-nscd += $(pie-ccflag)
 endif
 ifeq (yes,$(have-ssp))
-CFLAGS-nonlib += -fstack-protector
+CFLAGS-nscd += -fstack-protector
 endif
 
 ifeq (yesyes,$(have-fpie)$(build-shared))
 LDFLAGS-nscd = -Wl,-z,now
 endif
 
-# This makes sure CPPFLAGS-nonlib and CFLAGS-nonlib are passed
-# for all these modules.
-cpp-srcs-left := $(nscd-modules:=.c)
-lib := nonlib
+# Set libof-nscd.
+cpp-srcs-left := $(nscd-modules)
+lib := nscd
 include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left))
 
 $(objpfx)nscd: $(nscd-modules:%=$(objpfx)%.o)