diff options
| -rw-r--r-- | stdlib/Makefile | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/stdlib/Makefile b/stdlib/Makefile index ea1ffd33e8..3ea206f623 100644 --- a/stdlib/Makefile +++ b/stdlib/Makefile @@ -40,4 +40,63 @@ routines := \ distribute := exit.h grouping.h tests := tst-strtol tst-strtod testmb testrand testsort testdiv + +# Several mpn functions from GNU MP are used by the strtod function. +mpn-routines := add_1 add_n addmul_1 cmp divmod divmod_1 udiv_qrnnd \ + lshift rshift mod_1 mul mul_1 mul_n sub_n submul_1 +mpn-headers = longlong.h gmp.h gmp-impl.h gmp-mparam.h asm-syntax.h + +routines := $(strip $(routines) $(mpn-routines)) \ + dbl2mpn ldbl2mpn \ + mpn2flt mpn2dbl mpn2ldbl +aux := mp_clz_tab fpioconst +distribute := $(distribute) $(mpn-headers) gen-mpn-copy fpioconst.h + + include ../Rules + + +ifdef gmp-srcdir + +gmp-srcdir := $(firstword $(filter-out ..//%,$(..)$(gmp-srcdir) $(gmp-srcdir))) + +# Copy the mpn source files we use from the GNU MP source directory. +# `gmp-srcdir' is set by doing `configure --with-gmp=DIR'. +# (Do not try this at home. You need an as yet unreleased version of GNU MP.) + +mpn-sysdep := $(addsuffix .c,$(mpn-routines)) \ + $(addsuffix .S,$(mpn-routines)) \ + $(addsuffix .s,$(mpn-routines)) gmp-mparam.h asm-syntax.h + +mpn-try := $(addprefix $(gmp-srcdir)/mpn/*/,$(mpn-sysdep)) +mpn-found := $(wildcard $(mpn-try)) +mpn-found := $(filter-out $(patsubst %.S,%.s,$(filter %.s,$(mpn-found))),\ + $(mpn-found)) + +include mpn-copy.mk +%.mk: gen-%; sh $< > $@ + +mpn-copy-1 := $(patsubst $(gmp-srcdir)/mpn/%,$(sysdep_dir)/%,$(mpn-found)) +mpn-copy-sysdep := $(mpn-copy-sysdep) $(mpn-copy-1) +$(mpn-copy-1): $(sysdep_dir)/%: $(ignore gmp2glibc.sed) $(gmp-srcdir)/mpn/% + $(gmp2glibc) + +mpn-stuff = $(mpn-copy-sysdep) $(mpn-copy) + +# chmod so I don't edit them by mistake. +define gmp2glibc +$(ignore sed -f $^ > $@-tmp) +cp $< $@-tmp +chmod a-w $@-tmp +mv -f $@-tmp $@ +endef + +mpn-copy = $(filter-out $(mpn-sysdep),$(mpn-headers) mp_clz_tab.c) +$(mpn-copy): %: $(ignore gmp2glibc.sed) $(gmp-srcdir)/%; $(gmp2glibc) + +.PHONY: copy-mpn clean-mpn +copy-mpn: $(mpn-stuff) +clean-mpn: + rm -f $(mpn-stuff) + +endif |