18090ed2d8
When compiling with ifx, a ./configure script generated by GNU Autconf
reports an error message similar to:
checking for Fortran 77 libraries of ifx... -loopopt=0 \
-L/lib/../lib64 -L/lib/../lib64/ -L/usr/lib/../lib64 \
-L/usr/lib/../lib64/ -L/lib64 -L/lib/ -L/usr/lib64 -L/usr/lib \
-lifport -lifcoremt -limf -lsvml -lm -lipgo -lirc -lpthread \
-lirc_s -ldl
configure: WARNING: FLIBS does not work
checking for ifx flag to add single underscore to external names... none
checking for dummy main to link with Fortran 77 libraries... unknown
configure: error: in '/path/to/build/dir':
configure: error: linking to Fortran libraries from C fails
See `config.log' for more details
make: *** [build/config.status] Error 1
Examining the config.log file shows that the error causing ./configure to exit was:
ld: cannot find -loopopt=0
The patch drops the first 2 parameters passed to clang, i.e.:
`-mllvm -loopopt=0` parameters are dropped when checking for the libraries.
Resolves: RHEL-40719
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
32 lines
1012 B
Diff
32 lines
1012 B
Diff
From ae26b9b44c183c41b84fc36ff70082713295d621 Mon Sep 17 00:00:00 2001
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From: Paul Eggert <eggert@cs.ucla.edu>
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Date: Wed, 22 Jul 2020 12:56:19 -0700
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Subject: [PATCH] Port AC_F77_LIBRARY_LDFLAGS to oneAPI HPC Toolkit
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Problem reported by Bill Dieter in:
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https://lists.gnu.org/r/bug-autoconf/2020-07/msg00089.html
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* lib/autoconf/fortran.m4 (_AC_FC_LIBRARY_LDFLAGS):
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Defend against ‘clang -mllvm -loopopt=0’.
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---
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lib/autoconf/fortran.m4 | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/lib/autoconf/fortran.m4 b/lib/autoconf/fortran.m4
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index 0a0c4168..59a8859b 100644
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--- a/lib/autoconf/fortran.m4
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+++ b/lib/autoconf/fortran.m4
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@@ -698,6 +698,7 @@ while test $[@%:@] != 1; do
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-zallextract*| -zdefaultextract)
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ac_cv_[]_AC_LANG_ABBREV[]_libs="$ac_cv_[]_AC_LANG_ABBREV[]_libs $ac_arg"
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;;
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+ -mllvm) ${2+shift};; # Defend against 'clang -mllvm -loopopt=0'.
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# Ignore everything else.
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esac
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done
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--
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2.45.0
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