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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.
83 lines
2.6 KiB
Text
83 lines
2.6 KiB
Text
-*-text-*-
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GNU Make has been ported to z/OS, tested on z/OS V2R4.
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PREREQUISITES
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-------------
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Building GNU Make requires certain tools be installed on your z/OS system.
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These tools can be downloaded from: https://github.com/ZOSOpenTools
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For detailed instructions on how to set up these tools, visit
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https://zosopentools.github.io/meta/#/Guides/Pre-req
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You will need curl, tar, and gzip to download and unpack the GNU Make release
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package, but presumably you've already worked this out if you're reading this
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document!
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You will need the IBM C/C++ compiler. You can download a web deliverable
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add-on feature to your XL C/C++ compiler here:
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https://www-40.ibm.com/servers/resourcelink/svc00100.nsf/pages/xlCC++V241ForZOsV24
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Alternatively, you can install and manage C/C++ for Open Enterprise Languages
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on z/OS using RedHat OpenShift Container Platform and IBM Z and Cloud
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Modernization Stack.
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GNU Make has a dependency on the ZOSLIB library, which is documented here:
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https://zosopentools.github.io/meta/#/Guides/Zoslib.
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To obtain the latest release of zoslib, you can download it from here:
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https://github.com/ZOSOpenTools/zoslibport/releases.
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BUILDING
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--------
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If you are trying to build from a checked-out Git workspace, see README.git.
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Before building GNU Make, you will need to ensure that the following
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environment variables are set, to turn on z/OS enhanced ASCII support:
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export _BPXK_AUTOCVT=ON
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export _CEE_RUNOPTS="$_CEE_RUNOPTS FILETAG(AUTOCVT,AUTOTAG) POSIX(ON)"
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export _TAG_REDIR_ERR=txt
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export _TAG_REDIR_IN=txt
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export _TAG_REDIR_OUT=txt
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To ensure proper functioning of xlclang, set the following environment
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variables before building:
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export _CC_CCMODE=1
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export _C89_CCMODE=1
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export _CXX_CCMODE=1
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Set PATH_TO_ZOSLIB to the location of your zoslib installation; e.g.:
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PATH_TO_ZOSLIB=$HOME/zopen/prod/zoslib
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Invoke ./configure as follows:
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./configure \
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CC=xlclang \
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CPPFLAGS="-DNSIG=42 -D_XOPEN_SOURCE=600 -D_ALL_SOURCE -D_OPEN_SYS_FILE_EXT=1 -D_AE_BIMODAL=1 -D_ENHANCED_ASCII_EXT=0xFFFFFFF -DZOSLIB_OVERRIDE_CLIB=1" \
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CFLAGS="-qascii -std=gnu11 -qnocsect -qenum=int -I$PATH_TO_ZOSLIB/include" \
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LDFLAGS="-L$PATH_TO_ZOSLIB/lib" \
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LIBS="-lzoslib $PATH_TO_ZOSLIB/lib/CXXRT64.x"
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If you have an instance of make already available you can build with:
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make
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If not, you can build with:
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./build.sh
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TESTING
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-------
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To run the regression tests you'll need to install Perl and enable it.
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Then you can run:
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./make check
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INSTALLING
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----------
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Copy the "make" program to wherever you want it to be installed, on your PATH.
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