Re: Use existing makefile variables for dependencies on glibc libraries

["Joseph S. Myers" <joseph at codesourcery dot com>]

On Fri, 16 May 2014, Andreas Schwab wrote:

> Please join lines that are no longer overfull.

This patch version does that (in two places).  Tested x86_64.

2014-05-16  Joseph Myers  <joseph@codesourcery.com>

	* benchtests/Makefile
	($(addprefix $(objpfx)bench-,$(bench-math))): Depend on $(libm),
	not $(common-objpfx)math/libm.so.
	($(addprefix $(objpfx)bench-,$(bench-pthread))): Depend on
	$(shared-thread-library), not $(common-objpfx)nptl/libpthread.so.
	* elf/Makefile ($(objpfx)noload): Depend on $(libdl), not
	$(common-objpfx)dlfcn/libdl.so.
	($(objpfx)tst-audit8): Depend on $(libm), not
	$(common-objpfx)math/libm.so.
	* malloc/Makefile ($(objpfx)libmemusage.so): Depend on $(libdl),
	not $(common-objpfx)dlfcn/libdl.so.
	* math/Makefile
	($(addprefix $(objpfx),$(filter-out $(tests-static),$(tests)))):
	Depend on $(libm), not $(objpfx)libm.so.  Do not condition on
	[$(build-shared) = yes].
	($(objpfx)test-fenv-tls): Depend on $(shared-thread-library), not
	$(common-objpfx)nptl/libpthread.so.
	* misc/Makefile ($(objpfx)tst-tsearch): Depend on $(libm), not
	$(common-objpfx)math/libm.so$(libm.so-version) or
	$(common-objpfx)math/libm.a depending on [$(build-shared) = yes].
	* nptl/Makefile ($(objpfx)tst-unload): Depend on $(libdl), not
	$(common-objpfx)dlfcn/libdl.so.
	* setjmp/Makefile (link-libm): Remove variable.
	($(objpfx)tst-setjmp-fp): Depend on $(libm), not $(link-libm).
	* stdio-common/Makefile (link-libm): Remove variable.
	($(objpfx)tst-printf-round): Depend on $(libm), not $(link-libm).
	* stdlib/Makefile (link-libm): Remove variable.
	($(objpfx)bug-getcontext): Depend on $(libm), not $(link-libm).
	($(objpfx)tst-strtod-round): Likewise.
	($(objpfx)tst-tininess): Likewise.
	($(objpfx)tst-strtod-underflow): Likewise.
	($(objpfx)tst-strtod6): Likewise.
	($(objpfx)tst-tls-atexit): Depend on $(shared-thread-library) and
	$(libdl), not $(common-objpfx)nptl/libpthread.so and
	$(common-objpfx)dlfcn/libdl.so.

diff --git a/benchtests/Makefile b/benchtests/Makefile
index a0954cd..63a5a7f 100644
--- a/benchtests/Makefile
+++ b/benchtests/Makefile
@@ -44,9 +44,8 @@ benchset := $(string-bench-all) $(stdlib-bench)
 CFLAGS-bench-ffs.c += -fno-builtin
 CFLAGS-bench-ffsll.c += -fno-builtin
 
-$(addprefix $(objpfx)bench-,$(bench-math)): $(common-objpfx)math/libm.so
-$(addprefix $(objpfx)bench-,$(bench-pthread)): \
-	$(common-objpfx)nptl/libpthread.so
+$(addprefix $(objpfx)bench-,$(bench-math)): $(libm)
+$(addprefix $(objpfx)bench-,$(bench-pthread)): $(shared-thread-library)
 
 
 
diff --git a/elf/Makefile b/elf/Makefile
index 084abca..4dcc78a 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -653,7 +653,7 @@ $(objpfx)vismain: $(addprefix $(objpfx),vismod1.so vismod2.so)
 $(objpfx)vismain.out: $(addprefix $(objpfx),vismod3.so)
 vismain-ENV = LD_PRELOAD=$(addprefix $(objpfx),vismod3.so)
 
-$(objpfx)noload: $(objpfx)testobj1.so $(common-objpfx)dlfcn/libdl.so
+$(objpfx)noload: $(objpfx)testobj1.so $(libdl)
 LDFLAGS-noload = -rdynamic $(no-as-needed)
 $(objpfx)noload.out: $(objpfx)testobj5.so
 
@@ -1011,7 +1011,7 @@ $(objpfx)tst-audit9: $(libdl)
 $(objpfx)tst-audit9.out: $(objpfx)tst-auditmod9a.so $(objpfx)tst-auditmod9b.so
 tst-audit9-ENV = LD_AUDIT=$(objpfx)tst-auditmod9a.so
 
-$(objpfx)tst-audit8: $(common-objpfx)math/libm.so
+$(objpfx)tst-audit8: $(libm)
 $(objpfx)tst-audit8.out: $(objpfx)tst-auditmod1.so
 tst-audit8-ENV = LD_AUDIT=$(objpfx)tst-auditmod1.so
 
diff --git a/malloc/Makefile b/malloc/Makefile
index d962331..7a716f9 100644
--- a/malloc/Makefile
+++ b/malloc/Makefile
@@ -148,7 +148,7 @@ $(objpfx)memusage: memusage.sh
 
 
 # The implementation uses `dlsym'
-$(objpfx)libmemusage.so: $(common-objpfx)dlfcn/libdl.so
+$(objpfx)libmemusage.so: $(libdl)
 
 # Extra dependencies
 $(foreach o,$(all-object-suffixes),$(objpfx)malloc$(o)): arena.c hooks.c
diff --git a/math/Makefile b/math/Makefile
index c13ca80..f337a0e 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -219,12 +219,8 @@ $(objpfx)libieee.a: $(objpfx)ieee-math.o
 	$(patsubst %/,cd % &&,$(objpfx)) \
 	$(LN_S) $(<F) $(@F)
 
-ifeq ($(build-shared),yes)
-$(addprefix $(objpfx),$(filter-out $(tests-static),$(tests))): $(objpfx)libm.so$(libm.so-version)
+$(addprefix $(objpfx),$(filter-out $(tests-static),$(tests))): $(libm)
 $(addprefix $(objpfx),$(tests-static)): $(objpfx)libm.a
-else
-$(addprefix $(objpfx),$(tests)): $(objpfx)libm.a
-endif
 
 gmp-objs = $(patsubst %,$(common-objpfx)stdlib/%.o,\
 		      add_n sub_n cmp addmul_1 mul_1 mul_n divmod_1 \
@@ -233,4 +229,4 @@ gmp-objs = $(patsubst %,$(common-objpfx)stdlib/%.o,\
 $(objpfx)atest-exp: $(gmp-objs)
 $(objpfx)atest-sincos: $(gmp-objs)
 $(objpfx)atest-exp2: $(gmp-objs)
-$(objpfx)test-fenv-tls: $(common-objpfx)nptl/libpthread.so
+$(objpfx)test-fenv-tls: $(shared-thread-library)
diff --git a/misc/Makefile b/misc/Makefile
index 53d4c2c..edac24c 100644
--- a/misc/Makefile
+++ b/misc/Makefile
@@ -102,11 +102,7 @@ include ../Rules
 
 $(objpfx)libg.a: $(dep-dummy-lib); $(make-dummy-lib)
 
-ifeq ($(build-shared),yes)
-$(objpfx)tst-tsearch: $(common-objpfx)math/libm.so$(libm.so-version)
-else
-$(objpfx)tst-tsearch: $(common-objpfx)math/libm.a
-endif
+$(objpfx)tst-tsearch: $(libm)
 
 tst-error1-ENV = MALLOC_TRACE=$(objpfx)tst-error1.mtrace
 tst-error1-ARGS = $(objpfx)tst-error1.out
diff --git a/nptl/Makefile b/nptl/Makefile
index 2876224..7551406 100644
--- a/nptl/Makefile
+++ b/nptl/Makefile
@@ -530,7 +530,7 @@ $(addprefix $(objpfx), \
     $(tests-nolibpthread), \
     $(tests) $(xtests) $(test-srcs))): $(objpfx)libpthread.so \
 				       $(objpfx)libpthread_nonshared.a
-$(objpfx)tst-unload: $(common-objpfx)dlfcn/libdl.so
+$(objpfx)tst-unload: $(libdl)
 # $(objpfx)../libc.so is used instead of $(common-objpfx)libc.so,
 # since otherwise libpthread.so comes before libc.so when linking.
 $(addprefix $(objpfx), $(tests-reverse)): \
diff --git a/setjmp/Makefile b/setjmp/Makefile
index fe0fb5d..047b9ec 100644
--- a/setjmp/Makefile
+++ b/setjmp/Makefile
@@ -33,9 +33,4 @@ tests		:= tst-setjmp jmpbug bug269-setjmp tst-setjmp-fp \
 
 include ../Rules
 
-ifeq ($(build-shared),yes)
-link-libm = $(common-objpfx)math/libm.so
-else
-link-libm = $(common-objpfx)math/libm.a
-endif
-$(objpfx)tst-setjmp-fp: $(link-libm)
+$(objpfx)tst-setjmp-fp: $(libm)
diff --git a/stdio-common/Makefile b/stdio-common/Makefile
index 332f205..f179eab 100644
--- a/stdio-common/Makefile
+++ b/stdio-common/Makefile
@@ -137,9 +137,4 @@ $(objpfx)tst-setvbuf1-cmp.out: tst-setvbuf1.expect $(objpfx)tst-setvbuf1.out
 	cmp $^ > $@; \
 	$(evaluate-test)
 
-ifeq ($(build-shared),yes)
-link-libm = $(common-objpfx)math/libm.so
-else
-link-libm = $(common-objpfx)math/libm.a
-endif
-$(objpfx)tst-printf-round: $(link-libm)
+$(objpfx)tst-printf-round: $(libm)
diff --git a/stdlib/Makefile b/stdlib/Makefile
index 42482a2..d7a562f 100644
--- a/stdlib/Makefile
+++ b/stdlib/Makefile
@@ -150,19 +150,13 @@ $(objpfx)tst-putenvmod.so: $(objpfx)tst-putenvmod.os $(link-libc-deps)
 	$(build-module)
 CFLAGS-tst-putenvmod.c = -DNOT_IN_libc=1
 
-ifeq ($(build-shared),yes)
-link-libm = $(common-objpfx)math/libm.so
-else
-link-libm = $(common-objpfx)math/libm.a
-endif
-$(objpfx)bug-getcontext: $(link-libm)
-$(objpfx)tst-strtod-round: $(link-libm)
-$(objpfx)tst-tininess: $(link-libm)
-$(objpfx)tst-strtod-underflow: $(link-libm)
-$(objpfx)tst-strtod6: $(link-libm)
+$(objpfx)bug-getcontext: $(libm)
+$(objpfx)tst-strtod-round: $(libm)
+$(objpfx)tst-tininess: $(libm)
+$(objpfx)tst-strtod-underflow: $(libm)
+$(objpfx)tst-strtod6: $(libm)
 
 tst-tls-atexit-lib.so-no-z-defs = yes
 
-$(objpfx)tst-tls-atexit: $(common-objpfx)nptl/libpthread.so \
-			 $(common-objpfx)dlfcn/libdl.so
+$(objpfx)tst-tls-atexit: $(shared-thread-library) $(libdl)
 $(objpfx)tst-tls-atexit.out: $(objpfx)tst-tls-atexit-lib.so

-- 
Joseph S. Myers
joseph@codesourcery.com