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Delete an obsolete workaround ...

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... since Solaris died decades ago.

Add comments explaining some parts of this Mmakefile, and make
some other comments more readable.
This commit is contained in:
Zoltan Somogyi
2026-01-27 15:01:37 +11:00
parent d4edaf5588
commit c6637a41ca
1 changed files with 26 additions and 27 deletions
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53
tests/string_format/Mmakefile
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@@ -4,6 +4,12 @@
TESTS_DIR = ..
THIS_DIR = string_format
# We execute the tests in this directory one at a time because all the tests
# use the same library, string_format_lib.m. We *could* create a separate
# copy of this library for each test case, updated automatically if a master
# copy is changed, which would allow us to execute the tests in parallel.
# However, there is no point, because the tests in this directory are
# fast enough even with -j1.
MAYBE_J1 = -j1
#-----------------------------------------------------------------------------#
@@ -31,23 +37,16 @@ STRING_FORMAT_PROGS = \
string_format_uint64_x \
string_format_x
# The tests don't work in the *.agc grades, because I think they
# take too long to finish and the CPU time limit is breached.
# The tests don't work in the *.agc grades, because I (petdr) think
# they take too long to finish, and the CPU time limit is breached.
# NOTE The above assertion was added in 2002. CPU speeds have improved
# since then, but since we have also stopped working on, and caring about,
# .agc grades, there is no point in testing whether the assertion
# is still true.
ifneq "$(findstring .agc,$(GRADE))" ""
PROGS0 =
PROGS =
else
PROGS0 = $(STRING_FORMAT_PROGS)
endif
# On solaris 5.{7,8} string_format_o fails because of a buggy
# sprintf implementation.
SOLARIS_FAILURES = string_format_o
UNAME := $(shell uname -r -s)
ifeq "$(filter-out SunOS 5.7 5.8,$(UNAME))" ""
PROGS = $(filter-out $(SOLARIS_FAILURES),$(PROGS0))
else
PROGS = $(PROGS0)
PROGS = $(STRING_FORMAT_PROGS)
endif
TESTS = $(sort $(PROGS))
@@ -59,24 +58,24 @@ include Mercury.options
%.runtest: %.res ;
#
# This is adapted from the rule in ../../Mmake.common. The
# difference is that we only display the last 20 lines of the output
# file if the file fails, due to the size of the output file.
#
# This rule is adapted from the rule in ../../Mmake.common. The difference
# is that if the test fails, then, due to the large size of the output files,
# we display only their last 20 lines.
%.out: %
{ [ -f $*.inp ] && cat $*.inp; } | ./$< > $@ 2>&1 || \
{ grep . $@ /dev/null | tail -n 20; exit 1; }
# This rule is adapted from the rule in ../../Mmake.common. The only
# differences are that
#
# This is adapted from the rule in ../../Mmake.common. The only
# differences are that we only cat the first 50 lines to stdout, as
# generally it is quite big and that we sort both the output and the
# expected output before the comparison, as the IL and C backends use
# a different ordering for lexical comparisons. The reason for sorting
# the expected output as well is to allow for different behaviour in
# different versions of sort.
# - due to the large sizes of the output files, we write only the first
# 50 lines to stdout, and that
#
# - due to the now-deleted IL backends using a different ordering for
# lexical comparisons than the C backend, we sort both the output and
# the expected output before the comparison. (The reason for sorting
# the expected output as well as the actual output is to allow for
# different behaviour in different versions of sort.)
%.res: %.exp %.out
@echo "Comparing $*.sorted_out with $*.sorted_exp*,"
@echo " results in $@"