Hi Martin,
> On 30 Oct 2023, at 16:17, Martin Jambor <mjam...@suse.cz> wrote:
> On Tue, Aug 15 2023, FX Coudert via Gcc-patches wrote:
>>
>
> [...]
>
>> From e1cf04cadb9fa065fb3f7d6bccf9ed6f1e9e3fc1 Mon Sep 17 00:00:00 2001
>> From: Iain Sandoe <i...@sandoe.co.uk>
>> Date: Sun, 28 Mar 2021 14:48:17 +0100
>> Subject: [PATCH 2/4] Darwin: Allow for configuring Darwin to use embedded
>> runpath.
>
> our buildbot checker found that after this patch, there is an
> uncommitted auto(re)conf generated hunk in fixincludes/configure:
>
> diff --git a/fixincludes/configure b/fixincludes/configure
> index b9770489adc..1bb547a1724 100755
> --- a/fixincludes/configure
> +++ b/fixincludes/configure
> @@ -3027,6 +3027,7 @@ ac_configure="$SHELL $ac_aux_dir/configure" # Please
> don't use this var.
> # ---------------------------
> # _LT_COMPILER_PIC
>
> +enable_darwin_at_rpath_$1=no
>
> # _LT_LINKER_SHLIBS([TAGNAME])
> # ----------------------------
> @@ -3049,7 +3050,6 @@ ac_configure="$SHELL $ac_aux_dir/configure" # Please
> don't use this var.
> # the compiler configuration to `libtool'.
> # _LT_LANG_CXX_CONFIG
>
> -
> # _LT_SYS_HIDDEN_LIBDEPS([TAGNAME])
> # ---------------------------------
> # Figure out "hidden" library dependencies from verbose
>
>
> Can I commit it (with an appropriate ChangeLog message) or do you want
> to take care of it yourself?
Sorry for the omission, I’ll take care of it later today, thanks for spotting
it.
Iain
>
> Thanks,
>
> Martin
>
>
>>
>> Recent Darwin versions place contraints on the use of run paths
>> specified in environment variables. This breaks some assumptions
>> in the GCC build.
>>
>> This change allows the user to configure a Darwin build to use
>> '@rpath/libraryname.dylib' in library names and then to add an
>> embedded runpath to executables (and libraries with dependents).
>>
>> The embedded runpath is added by default unless the user adds
>> '-nodefaultrpaths' to the link line.
>>
>> For an installed compiler, it means that any executable built with
>> that compiler will reference the runtimes installed with the
>> compiler (equivalent to hard-coding the library path into the name
>> of the library).
>>
>> During build-time configurations any "-B" entries will be added to
>> the runpath thus the newly-built libraries will be found by exes.
>>
>> Since the install name is set in libtool, that decision needs to be
>> available here (but might also cause dependent ones in Makefiles,
>> so we need to export a conditional).
>>
>> This facility is not available for Darwin 8 or earlier, however the
>> existing environment variable runpath does work there.
>>
>> We default this on for systems where the external DYLD_LIBRARY_PATH
>> does not work and off for Darwin 8 or earlier. For systems that can
>> use either method, if the value is unset, we use the default (which
>> is currently DYLD_LIBRARY_PATH).
>>
>> ----
>>
>> Ada changes:
>> add paths relative to @loader-path
>>
>> JIT changes:
>>
>> This patch expects DARWIN_RPATH to be computed and available; which
>> means that we will use @rpath or ${libdir} as the name prefix
>> depending on the system version and the setting of
>> --enable-darwin-at-rpath. For branches that do not have this
>> available, the value should be set to ${libdir}.
>>
>> added m2 library changes.
>>
>> ChangeLog:
>>
>> * configure: Regenerate.
>> * configure.ac: Do not add default runpaths to GCC exes
>> when we are building -static-libstdc++/-static-libgcc (the
>> default).
>> * libtool.m4: Add 'enable-darwin-at-runpath'. Act on the
>> enable flag to alter Darwin libraries to use @rpath names.
>>
>> fixincludes/ChangeLog:
>>
>> * configure: Regenerate.
>>
>> gcc/ChangeLog:
>>
>> * aclocal.m4: Regenerate.
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths.
>> * config/darwin-driver.cc: Handle Darwin rpaths.
>> * config/darwin.h: Handle Darwin rpaths.
>> * config/darwin.opt: Handle Darwin rpaths.
>> * Makefile.in: Handle Darwin rpaths.
>>
>> gcc/ada/ChangeLog:
>>
>> * gcc-interface/Makefile.in: Handle Darwin rpaths.
>>
>> gcc/jit/ChangeLog:
>> * Make-lang.in: Handle Darwin rpaths.
>>
>> libatomic/ChangeLog:
>>
>> * Makefile.am: Handle Darwin rpaths.
>> * Makefile.in: Regenerate.
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths.
>>
>> libbacktrace/ChangeLog:
>>
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths.
>>
>> libcc1/ChangeLog:
>>
>> * configure: Regenerate.
>>
>> libffi/ChangeLog:
>>
>> * Makefile.am: Handle Darwin rpaths.
>> * Makefile.in: Regenerate.
>> * configure: Regenerate.
>>
>> libgcc/ChangeLog:
>>
>> * config/t-slibgcc-darwin: Generate libgcc_s
>> with an @rpath name.
>> * config.host: Handle Darwin rpaths.
>>
>> libgfortran/ChangeLog:
>>
>> * Makefile.am: Handle Darwin rpaths.
>> * Makefile.in: Regenerate.
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths
>>
>> libgm2/ChangeLog:
>>
>> * Makefile.am: Handle Darwin rpaths.
>> * Makefile.in: Regenerate.
>> * aclocal.m4: Regenerate.
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths.
>> * libm2cor/Makefile.am: Handle Darwin rpaths.
>> * libm2cor/Makefile.in: Regenerate.
>> * libm2iso/Makefile.am: Handle Darwin rpaths.
>> * libm2iso/Makefile.in: Regenerate.
>> * libm2log/Makefile.am: Handle Darwin rpaths.
>> * libm2log/Makefile.in: Regenerate.
>> * libm2min/Makefile.am: Handle Darwin rpaths.
>> * libm2min/Makefile.in: Regenerate.
>> * libm2pim/Makefile.am: Handle Darwin rpaths.
>> * libm2pim/Makefile.in: Regenerate.
>>
>> libgomp/ChangeLog:
>>
>> * Makefile.am: Handle Darwin rpaths.
>> * Makefile.in: Regenerate.
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths
>>
>> libitm/ChangeLog:
>>
>> * Makefile.am: Handle Darwin rpaths.
>> * Makefile.in: Regenerate.
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths.
>>
>> libobjc/ChangeLog:
>>
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths.
>>
>> libphobos/ChangeLog:
>>
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths.
>> * libdruntime/Makefile.am: Handle Darwin rpaths.
>> * libdruntime/Makefile.in: Regenerate.
>> * src/Makefile.am: Handle Darwin rpaths.
>> * src/Makefile.in: Regenerate.
>>
>> libquadmath/ChangeLog:
>>
>> * Makefile.am: Handle Darwin rpaths.
>> * Makefile.in: Regenerate.
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths.
>>
>> libsanitizer/ChangeLog:
>>
>> * asan/Makefile.am: Handle Darwin rpaths.
>> * asan/Makefile.in: Regenerate.
>> * configure: Regenerate.
>> * hwasan/Makefile.am: Handle Darwin rpaths.
>> * hwasan/Makefile.in: Regenerate.
>> * lsan/Makefile.am: Handle Darwin rpaths.
>> * lsan/Makefile.in: Regenerate.
>> * tsan/Makefile.am: Handle Darwin rpaths.
>> * tsan/Makefile.in: Regenerate.
>> * ubsan/Makefile.am: Handle Darwin rpaths.
>> * ubsan/Makefile.in: Regenerate.
>>
>> libssp/ChangeLog:
>>
>> * Makefile.am: Handle Darwin rpaths.
>> * Makefile.in: Regenerate.
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths.
>>
>> libstdc++-v3/ChangeLog:
>>
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths.
>> * src/Makefile.am: Handle Darwin rpaths.
>> * src/Makefile.in: Regenerate.
>>
>> libvtv/ChangeLog:
>>
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths.
>>
>> lto-plugin/ChangeLog:
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths.
>>
>> zlib/ChangeLog:
>> * configure: Regenerate.
>> * configure.ac: Handle Darwin rpaths.
