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m4: Disable chained fixups for macOS

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Append '-no_fixup_chains' flag to disable chained fixups since it
is not compatible with '-undefined dynamic_lookup'.

* m4/libtool.m4: AC_VAR_APPEND will handle appending the option to
  the variable, which allows the '+=' extension to be used by shells
  that provide this capability for more efficient scaling. Also, bump
  minimum required version of autoconf from 2.62 to 2.64.
* tests/no-executables.at: Set cache variable for link test.
* NO-THANKS: Add thanks for Carlo Cabrera and Dave Allured.
This commit is contained in:
Ileana Dumitrescu 2024-06-20 16:57:26 +03:00
parent 81dda9b5c7
commit f0507df8a7
No known key found for this signature in database
GPG Key ID: 6570EA01146F7354
3 changed files with 25 additions and 2 deletions
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2
NO-THANKS
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@ -75,12 +75,14 @@ Andreas Stieger Andreas.Stieger@gmx.de
Brent Leback brent.leback@st.com
Camilo La Rota camilo.larota@ens-lyon.fr
Carl D. Roth roth@cse.ucsc.edu
Carlo Cabrera carlo.antonio.cabrera@gmail.com
Chris P. Ross cross@eng.us.uu.net
Christian Rössel christian.roessel@gmx.de
Christopher Hulbert cchgroupmail@gmail.com
Craig Tierney Craig.Tierney@noaa.gov
Dan McMahill mcmahill@mtl.mit.edu
Daniel Richard G. skunk@iSKUNK.ORG
Dave Allured dave.allured@noaa.gov
Dave Yost Dave@Yost.com
Dimitri Papadopoulos dpo@sfr.fr
Donn Washburn n5xwb@comcast.net

24
m4/libtool.m4 vendored
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@ -60,7 +60,7 @@ esac
# LT_INIT([OPTIONS])
# ------------------
AC_DEFUN([LT_INIT],
[AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK
[AC_PREREQ([2.64])dnl We use AC_PATH_PROGS_FEATURE_CHECK
AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
AC_BEFORE([$0], [LT_LANG])dnl
AC_BEFORE([$0], [LT_OUTPUT])dnl
@ -974,6 +974,7 @@ _lt_linker_boilerplate=`cat conftest.err`
$RM -r conftest*
])# _LT_LINKER_BOILERPLATE
# _LT_REQUIRED_DARWIN_CHECKS
# -------------------------
m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
@ -1024,6 +1025,21 @@ m4_defun_once([_LT_REQUIRED_DARWIN_CHECKS],[
rm -f conftest.*
fi])
# Feature test to disable chained fixups since it is not
# compatible with '-undefined dynamic_lookup'
AC_CACHE_CHECK([for -no_fixup_chains linker flag],
[lt_cv_support_no_fixup_chains],
[ save_LDFLAGS=$LDFLAGS
LDFLAGS="$LDFLAGS -Wl,-no_fixup_chains"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([],[])],
lt_cv_support_no_fixup_chains=yes,
lt_cv_support_no_fixup_chains=no
)
LDFLAGS=$save_LDFLAGS
]
)
AC_CACHE_CHECK([for -exported_symbols_list linker flag],
[lt_cv_ld_exported_symbols_list],
[lt_cv_ld_exported_symbols_list=no
@ -1073,7 +1089,11 @@ _LT_EOF
10.[[012]],*|,*powerpc*-darwin[[5-8]]*)
_lt_dar_allow_undefined='$wl-flat_namespace $wl-undefined ${wl}suppress' ;;
*)
_lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup' ;;
_lt_dar_allow_undefined='$wl-undefined ${wl}dynamic_lookup'
if test yes = "$lt_cv_support_no_fixup_chains"; then
AS_VAR_APPEND([_lt_dar_allow_undefined], [' $wl-no_fixup_chains'])
fi
;;
esac
;;
esac

1
tests/no-executables.at
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@ -50,6 +50,7 @@ AM_PROG_GCJ
lt_cv_shlibpath_overrides_runpath=no
lt_cv_archive_cmds_need_lc=no
lt_cv_cc_needs_belf=no
lt_cv_support_no_fixup_chains=no
lt_cv_ld_exported_symbols_list=no
lt_cv_prog_compiler_static_works=no
lt_cv_aix_libpath=/usr/lib:/lib