GNU C Library master sources branch master updated. glibc-2.24-454-gcbd8f93

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- Log -----------------------------------------------------------------
http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=cbd8f9302c9a04bf4fe72a3a1a641faf07614552

commit cbd8f9302c9a04bf4fe72a3a1a641faf07614552
Author: Andrew Senkevich <andrew.senkevich@intel.com>
Date:   Thu Dec 8 17:25:59 2016 +0300

    Install libm.a as linker script (bug 20539).
    
    Install libm.a as linker script to avoid static link fail w/o passing
    additional -lmvec option while building with GCC >= 6.1.
    
        [BZ #20539]
        * math/Makefile (install-lib-ldscripts): Add libm.a.
        (install_subdir): Remove.
        (install-others): Add.
        ($(inst_libdir)/libm.a): Add rule for installation as
        linker script.
        * Makerules (install-lib.a): Filter out install-lib-ldscripts.

diff --git a/ChangeLog b/ChangeLog
index d5ef99c..dbf9376 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,13 @@
+2016-12-08  Andrew Senkevich  <andrew.senkevich@intel.com>
+
+	[BZ #20539]
+	* math/Makefile (install-lib-ldscripts): Add libm.a.
+	(install_subdir): Remove.
+	(install-others): Add.
+	($(inst_libdir)/libm.a): Add rule for installation as
+	linker script.
+	* Makerules (install-lib.a): Filter out install-lib-ldscripts.
+
 2016-12-08  Martin Galvan  <martin.galvan@tallertechnologies.com>
 
 	* INSTALL: Regenerated.
diff --git a/Makerules b/Makerules
index 7214b2b..61a0240 100644
--- a/Makerules
+++ b/Makerules
@@ -1237,6 +1237,7 @@ $(addprefix $(inst_sbindir)/,$(install-sbin)): \
 endif
 ifdef install-lib
 install-lib.a := $(filter lib%.a,$(install-lib))
+install-lib.a := $(filter-out $(install-lib-ldscripts),$(install-lib.a))
 install-lib-non.a := $(filter-out lib%.a,$(install-lib))
 ifdef install-lib-non.a
 $(addprefix $(inst_libdir)/$(libprefix),$(install-lib-non.a)): \
diff --git a/math/Makefile b/math/Makefile
index 848b093..49556f6 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -128,10 +128,10 @@ generated += $(foreach s,.c .S,$(call type-foreach, $(calls:s_%=m_%$(s))))
 routines = $(call type-foreach, $(calls))
 
 ifeq ($(build-mathvec),yes)
-# We need to install libm.so as linker script
-# for more comfortable use of vector math library.
-install-lib-ldscripts := libm.so
-install_subdir: $(inst_libdir)/libm.so
+# We need to install libm.so and libm.a as linker scripts
+# for transparent use of vector math library.
+install-lib-ldscripts := libm.so libm.a
+install-others = $(inst_libdir)/libm.so $(inst_libdir)/libm.a
 $(inst_libdir)/libm.so: $(common-objpfx)format.lds \
 			$(libm) \
 			$(libmvec) \
@@ -142,6 +142,17 @@ $(inst_libdir)/libm.so: $(common-objpfx)format.lds \
 	      'AS_NEEDED ( $(libdir)/libmvec_nonshared.a $(slibdir)/libmvec.so$(libmvec.so-version) ) )' \
 	) > $@.new
 	mv -f $@.new $@
+
+$(inst_libdir)/libm.a: $(common-objpfx)format.lds \
+		       $(libm) \
+		       $(libmvec) \
+		       $(+force)
+	(echo '/* GNU ld script'; echo '*/';\
+	 cat $<; \
+	 echo 'GROUP ( $(libdir)/libm-$(lib-version).a $(libdir)/libmvec.a )' \
+	) > $@.new
+	cp $(objpfx)libm.a $(inst_libdir)/libm-$(lib-version).a
+	mv -f $@.new $@
 endif
 
 # Rules for the test suite.

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog     |   10 ++++++++++
 Makerules     |    1 +
 math/Makefile |   19 +++++++++++++++----
 3 files changed, 26 insertions(+), 4 deletions(-)


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