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[SV 62654] Support GNU Make on z/OS

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Original patches provided by Igor Todorovski <itodorov@ca.ibm.com>
Reworked by Paul Smith <psmith@gnu.org>.
Thanks to IBM for providing a test system.

* NEWS: Announce support.
* AUTHORS: Ditto.
* README.zOS: Provide details on building GNU Make on z/OS.
* build.sh (get_mk_var): z/OS sh has a strange bug which causes it to
generate extra lines of output: rework the function to print output
as we compute it instead of collecting it into a variable, which
works around this bug.
* src/makeint.h: Declare MK_OS_ZOS if we're building for z/OS.
* src/arscan.c: Don't include <ar.h> on z/OS.
* src/job.c: We can't change environ in ASCII mode on z/OS.
* src/main.c: Ditto.  Also we can't use pselect() on z/OS.
* src/posixos.c: pselect() seems to hang on z/OS: don't use it.
* tests/run_make_tests.pl: Handle different exit codes on z/OS.
* tests/test_driver.pl: Preserve some special z/OS env.vars.
Add special checks to output comparisons when on z/OS.
* tests/scripts/features/archives: Don't validate names.  Don't
try to compile empty files as IBM compilers complain.
* tests/scripts/features/shell_assignment: Fix octal value of #.
* tests/scripts/features/temp_stdin: Don't print "term".
* tests/scripts/functions/shell: Handle shell exit codes.
* tests/scripts/targets/ONESHELL: Ditto.
* tests/scripts/targets/POSIX: sh -x prints differently.
* tests/scripts/variables/SHELL: Ditto.
This commit is contained in:
Paul Smith
2023-01-07 21:50:59 -05:00
parent 0de7a0d3bf
commit 11444fb001
21 changed files with 201 additions and 43 deletions
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14
tests/scripts/variables/SHELL
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@@ -66,8 +66,8 @@ one two:;@echo "$@: $(SHELL) $$SHELL"
# Test .SHELLFLAGS
# We don't know the output here: on Solaris for example, every line printed
# by the shell in -x mode has a trailing space (!!)
# We don't know the output here: on some systems, for example, every line
# printed by the shell in -x mode has a trailing space!
my $script = 'true; true';
my $flags = '-xc';
my $out = `$sh_name $flags '$script' 2>&1`;
@@ -94,10 +94,14 @@ all: ; \@$script
'', $out);
}
$script = subst_make_string('true; #HELPER# -q fail 1; true');
$flags = '-xec';
$out = `$sh_name $flags '$script' 2>&1`;
run_make_test(qq!
.SHELLFLAGS = -xec
all: ; \@true; #HELPER# -q fail 1; true
.SHELLFLAGS = $flags
all: ; \@$script
!,
'', "+ true\n+ #HELPER# -q fail 1\n#MAKE#: *** [#MAKEFILE#:3: all] Error 1\n", 512);
'', "${out}#MAKE#: *** [#MAKEFILE#:3: all] Error 1", 512);
1;