1995-02-18 02:27:10 +01:00
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srcdir = @srcdir@
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1997-02-02 02:50:11 +01:00
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# Uncomment the line below if you want to do parallel build.
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# PARALLELMFLAGS = -j 4
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2013-03-15 08:00:03 +01:00
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.PHONY: all install bench
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2012-09-26 01:21:15 +02:00
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1995-02-18 02:27:10 +01:00
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all .DEFAULT:
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2011-11-17 18:33:33 +01:00
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$(MAKE) -r PARALLELMFLAGS="$(PARALLELMFLAGS)" -C $(srcdir) objdir=`pwd` $@
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2000-11-16 00:56:34 +01:00
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install:
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LANGUAGE=C LC_ALL=C; export LANGUAGE LC_ALL; \
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2011-11-17 18:33:33 +01:00
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$(MAKE) -r PARALLELMFLAGS="$(PARALLELMFLAGS)" -C $(srcdir) objdir=`pwd` $@
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2013-03-15 08:00:03 +01:00
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2013-04-16 10:37:21 +02:00
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bench bench-clean:
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2013-03-15 08:00:03 +01:00
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$(MAKE) -C $(srcdir)/benchtests $(PARALLELMFLAGS) objdir=`pwd` $@
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New Makefile target `regen-ulps'.
The wiki "Regeneration" page has this to say about update ULPs.
"The libm-test-ulps files are semiautomatically updated. To
update an ulps baseline, run each of the failing tests (test-float,
test-double, etc.) with -u; this will generate a file called ULPs;
concatenate each of those files with the existing libm-test-ulps
file, after removing any entries for particularly huge numbers of
ulps that you do not want to mark as expected. Then run
gen-libm-test.pl -n -u FILE where FILE is the concatenated file
produced in the previous step. This generates a file called
NewUlps which is the new sorted version of libm-test-ulps."
The same information is listed in math/README.libm-test, and is a
lot of manual work that you often want to run over-and-over again
while working on a particular test.
The `regen-ulps' convenience target does this automatically for
developers.
We strictly assume the source tree is readonly and add a
new --output-dir option to libm-test.inc to allow for writing
out ULPs to $(objpfx).
When run the new target does the following:
* Starts with the baseline ULPs file.
* Runs each of the libm math tests with -u.
* Adds new changes seen with -u to the baseline.
* Sorts and prepares the test output with gen-libm-test.pl.
* Leaves math/NewUlps in your build tree to copy to your source
tree, cleanup, and checkin.
The math test documentation in math/README.libm-test is updated
document the new Makefile target.
---
2013-04-06 Carlos O'Donell <carlos@redhat.com>
* Makefile.in (regen-ulps): New target.
* math/Makefile [ifneq (no,$(PERL)]: Declare regen-ulps with .PHONY.
[ifneq (no,$(PERL)] (run-regen-ulps): New variable.
[ifneq (no,$(PERL)] (regen-ulps): New target.
[ifeq (no,$(PERL)] (regen-ulps): New target.
* math/libm-test.inc (ulps_file_name): Define.
(output_dir): New variable.
(options): Add "output-dir" option.
(parse_opt): Handle 'o' case.
(main): If output_dir is non-NULL use it as a prefix
otherwise use "".
* math/README.libm-test: Update `How can I generate "libm-test-ulps"?'
2013-04-06 22:22:47 +02:00
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# Convenience target to rebuild ULPs for all math tests.
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regen-ulps:
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$(MAKE) -C $(srcdir)/math $(PARALLELMFLAGS) objdir=`pwd` $@
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