diff options
| author | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-09-08 08:48:08 -0500 |
|---|---|---|
| committer | Paul E. Murphy <murphyp@linux.vnet.ibm.com> | 2016-09-20 14:37:40 -0500 |
| commit | 9f9834f582f87cc84bfaa11cff5f98fb661c288d (patch) | |
| tree | 871f7a56da332d8fadb01fb81eae95a7ed6545c2 /math/Makefile | |
| parent | 8837917cf17b083ac4178352c740b0bfeada4d7f (diff) | |
| download | glibc-9f9834f582f87cc84bfaa11cff5f98fb661c288d.tar.gz glibc-9f9834f582f87cc84bfaa11cff5f98fb661c288d.tar.xz glibc-9f9834f582f87cc84bfaa11cff5f98fb661c288d.zip | |
Make ldexpF generic.
This one is a little more tricky since it is built both for libm and libc, and exports multiple aliases. To simplify aliasing, a new macro is introduced which handles aliasing to two symbols. By default, it just applies declare_mgen_alias to both target symbols. Likewise, the makefile is tweaked a little to generate templates for shared files too, and a new rule is added to build m_*.c objects from the objpfx directory. Verified there are no symbol or code changes using a script to diff the *_ldexp* object files on s390x, aarch64, arm, x86_64, and ppc64.
Diffstat (limited to 'math/Makefile')
| -rw-r--r-- | math/Makefile | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/math/Makefile b/math/Makefile index fc48960fb0..367f73e227 100644 --- a/math/Makefile +++ b/math/Makefile @@ -120,7 +120,8 @@ libm-routines = $(strip $(libm-support) $(libm-compat-calls) \ # In libm-calls (above), list m_foo in place of s_foo for any # routine that should be compiled separately for its libc and libm versions. calls = s_isinfF s_isnanF s_finiteF s_copysignF s_modfF s_scalbnF s_frexpF \ - s_ldexpF s_signbitF + s_signbitF $(gen-calls) +gen-calls = s_ldexpF generated += $(foreach s,.c .S,$(call type-foreach, $(calls:s_%=m_%$(s)))) routines = $(call type-foreach, $(calls)) @@ -272,12 +273,15 @@ extra-objs += libieee.a ieee-math.o include ../Rules -generated += $(addsuffix .c,$(call type-foreach,$(gen-libm-calls))) \ +gen-all-calls = $(gen-libm-calls) $(gen-calls) + +generated += $(addsuffix .c,$(call type-foreach,$(gen-all-calls))) \ gen-libm-templates.stmp # Create wrappers in the math build directory. -$(objpfx)gen-libm-templates.stmp: - for gcall in $(gen-libm-calls); do \ +$(objpfx)gen-libm-templates.stmp: Makefile + $(make-target-directory) + for gcall in $(gen-all-calls); do \ func=$${gcall%F*}$${gcall#*F}; \ for type in $(foreach t,$(types),$(t)__$(type-$(t)-suffix)); do \ suff=$${type#*__}; \ @@ -292,7 +296,7 @@ $(objpfx)gen-libm-templates.stmp: echo > $(@) # Add dependency to ensure the generator runs prior. -$(foreach t, $(call type-foreach, $(gen-libm-calls)), \ +$(foreach t, $(call type-foreach, $(gen-all-calls)), \ $(objpfx)$(t).c): $(objpfx)gen-libm-templates.stmp ifneq (no,$(PERL)) @@ -334,6 +338,12 @@ endef object-suffixes-left := $(all-object-suffixes) include $(o-iterator) +# Likewise, for those generated files shared with libc. +define o-iterator-doit +$(objpfx)m_%$o: $(objpfx)s_%.c $(before-compile); $$(compile-command.c) +endef +object-suffixes-left := $(all-object-suffixes) +include $(o-iterator) # This file defines the default _LIB_VERSION variable that controls # the error return conventions for the math functions. |