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authorSamuel Thibault <samuel.thibault@ens-lyon.org>2020-01-04 18:53:23 +0100
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2020-01-04 18:55:47 +0100
commit50a78baa8e385fac36d54d51800dc5c61ef7f139 (patch)
treebaec51d994dc22e0431fb9725da4a01d6c3acc0d /htl
parent12e166dd80bd3056f667930719572017d25a79c4 (diff)
downloadglibc-50a78baa8e385fac36d54d51800dc5c61ef7f139.tar.gz
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htl: Move pthread_atfork to libc_nonshared.a
This follows bd60ce86520b ('nptl: Move pthread_atfork to libc_nonshared.a')
with the same rationale: there is no non-libpthread equivalent to be used
for making linking against libpthread optional.

libpthread_nonshared.a is unused after this, so remove it from the
build.

There is no ABI impact because pthread_atfork was implemented using
__register_atfork in libc even before this change.

pthread_atfork has to be a weak alias because pthread_* names are not
reserved in libc.
Diffstat (limited to 'htl')
-rw-r--r--htl/Makefile34
1 files changed, 3 insertions, 31 deletions
diff --git a/htl/Makefile b/htl/Makefile
index 3b5c10635d..e091077a28 100644
--- a/htl/Makefile
+++ b/htl/Makefile
@@ -120,7 +120,6 @@ libpthread-routines := pt-attr pt-attr-destroy pt-attr-getdetachstate	    \
 	pt-sigstate-destroy						    \
 	pt-sigstate							    \
 									    \
-	pt-atfork							    \
 	old_pt-atfork							    \
 	pt-kill								    \
 	pt-getcpuclockid						    \
@@ -137,8 +136,6 @@ libpthread-routines := pt-attr pt-attr-destroy pt-attr-getdetachstate	    \
 	cthreads-compat							    \
 	$(SYSDEPS)
 
-libpthread-static-only-routines = pt-atfork
-
 headers :=				\
               pthread.h				\
 	      semaphore.h			\
@@ -166,8 +163,9 @@ headers :=				\
 
 distribute :=
 
-routines := forward libc_pthread_init alloca_cutoff
+routines := forward libc_pthread_init alloca_cutoff pt-atfork
 shared-only-routines = forward
+static-only-routines = pt-atfork
 
 extra-libs := libpthread
 extra-libs-others := $(extra-libs)
@@ -204,34 +202,8 @@ extra-B-pthread.so = -B$(common-objpfx)htl/
 include ../Rules
 
 ifeq (yes,$(build-shared))
-# What we install as libpthread.so for programs to link against is in fact a
-# link script.  It contains references for the various libraries we need.
-# The libpthread.so object is not complete since some functions are only
-# defined in libpthread_nonshared.a.
-# We need to use absolute paths since otherwise local copies (if they exist)
-# of the files are taken by the linker.
-install: $(inst_libdir)/libpthread.so
-
-$(inst_libdir)/libpthread.so: $(common-objpfx)format.lds \
-			      $(objpfx)libpthread.so$(libpthread.so-version) \
-			      $(inst_libdir)/$(patsubst %,$(libtype.oS),\
-							$(libprefix)pthread) \
-			      $(+force)
-	(echo '/* GNU ld script';\
-	 echo '   Use the shared library, but some functions are only in';\
-	 echo '   the static library, so try that secondarily.  */';\
-	 cat $<; \
-	 echo 'GROUP ( $(slibdir)/libpthread.so$(libpthread.so-version)' \
-	      '$(libdir)/$(patsubst %,$(libtype.oS),$(libprefix)pthread)'\
-	      ')' \
-	) > $@.new
-	mv -f $@.new $@
-
 $(addprefix $(objpfx), \
   $(filter-out $(tests-static) $(xtests-static) $(tests-reverse) \
     $(tests-nolibpthread), \
-    $(tests) $(xtests) $(test-srcs))): $(objpfx)libpthread.so \
-				       $(objpfx)libpthread_nonshared.a
+    $(tests) $(xtests) $(test-srcs))): $(objpfx)libpthread.so
 endif
-
-generated += libpthread_nonshared.a