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[192.0.145.146]) by smtp.gmail.com with ESMTPSA id y4-20020a056638228400b0038a416931edsm4788863jas.91.2023.01.11.12.25.32 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 11 Jan 2023 12:25:32 -0800 (PST) Message-ID: <2097ff19-d38a-af35-1d22-7cb2acbf2bb6@redhat.com> Date: Wed, 11 Jan 2023 15:25:31 -0500 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.5.1 Subject: Re: [PATCH v2 1/3] configure: Allow user override LD, AR, OBJCOPY, and GPROF To: Adhemerval Zanella , libc-alpha@sourceware.org, Vineet Gupta , =?UTF-8?Q?Ludovic_Court=c3=a8s?= References: <20221206160243.455627-1-adhemerval.zanella@linaro.org> <20221206160243.455627-2-adhemerval.zanella@linaro.org> Organization: Red Hat In-Reply-To: <20221206160243.455627-2-adhemerval.zanella@linaro.org> X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Carlos O'Donell via Libc-alpha Reply-To: Carlos O'Donell Errors-To: libc-alpha-bounces+e=80x24.org@sourceware.org Sender: "Libc-alpha" On 12/6/22 11:02, Adhemerval Zanella wrote: > The only way to override LD, AR, OBJCOPY, and GPROF is through > --with-binutils (setting the environments variables on configure is > overridden by LIBC_PROG_BINUTILS). > > The build-many-glibcs.py (bmg) glibcs option generates a working config, > but not fully concise (some tools will be set from environment variable, > while other will be set from $CC --print-prog-name). So remove the > environment variable set to always use the "$CC --print-prog-name". Reviewed-by: Carlos O'Donell > --- > aclocal.m4 | 16 ++++++++++++---- > configure | 16 ++++++++++++---- > scripts/build-many-glibcs.py | 3 --- > 3 files changed, 24 insertions(+), 11 deletions(-) > > diff --git a/aclocal.m4 b/aclocal.m4 > index 7ab8ac023b..cbe3c4698a 100644 > --- a/aclocal.m4 > +++ b/aclocal.m4 > @@ -118,12 +118,20 @@ case "$CC" in > *fuse-ld=lld*) LDNAME=ld.lld;; > *) LDNAME=ld;; > esac > -LD=`$CC -print-prog-name=$LDNAME` > -AR=`$CC -print-prog-name=ar` > +if test -z "$LD"; then > + LD=`$CC -print-prog-name=$LDNAME` > +fi OK. Override from env first, then use $CC second. > +if test -z "$AR"; then > + AR=`$CC -print-prog-name=ar` > +fi OK. Likewise. > AC_SUBST(AR) > -OBJCOPY=`$CC -print-prog-name=objcopy` > +if test -z "$OBJCOPY"; then > + OBJCOPY=`$CC -print-prog-name=objcopy` > +fi OK. Likewise. > AC_SUBST(OBJCOPY) > -GPROF=`$CC -print-prog-name=gprof` > +if test -z "$GPROF"; then > + GPROF=`$CC -print-prog-name=gprof` OK. Likewise. > +fi > AC_SUBST(GPROF) > ]) > > diff --git a/configure b/configure > index 62c2581cb0..8f91bb6e11 100755 > --- a/configure > +++ b/configure > @@ -4145,12 +4145,20 @@ case "$CC" in > *fuse-ld=lld*) LDNAME=ld.lld;; > *) LDNAME=ld;; > esac > -LD=`$CC -print-prog-name=$LDNAME` > -AR=`$CC -print-prog-name=ar` > +if test -z "$LD"; then > + LD=`$CC -print-prog-name=$LDNAME` > +fi > +if test -z "$AR"; then > + AR=`$CC -print-prog-name=ar` > +fi > > -OBJCOPY=`$CC -print-prog-name=objcopy` > +if test -z "$OBJCOPY"; then > + OBJCOPY=`$CC -print-prog-name=objcopy` > +fi > > -GPROF=`$CC -print-prog-name=gprof` > +if test -z "$GPROF"; then > + GPROF=`$CC -print-prog-name=gprof` > +fi > > > > diff --git a/scripts/build-many-glibcs.py b/scripts/build-many-glibcs.py > index 9292a0d3ff..887ef7b6d5 100755 > --- a/scripts/build-many-glibcs.py > +++ b/scripts/build-many-glibcs.py > @@ -1521,10 +1521,7 @@ class GlibcPolicyDefault(object): > '--host=%s' % glibc.triplet, > 'CC=%s' % glibc.tool_name('gcc'), > 'CXX=%s' % glibc.tool_name('g++'), > - 'AR=%s' % glibc.tool_name('ar'), > - 'LD=%s' % glibc.tool_name('ld'), > 'NM=%s' % glibc.tool_name('nm'), > - 'OBJCOPY=%s' % glibc.tool_name('objcopy'), OK. Cleanup bmg usage to use $CC provided tools. > 'OBJDUMP=%s' % glibc.tool_name('objdump'), > 'RANLIB=%s' % glibc.tool_name('ranlib'), > 'READELF=%s' % glibc.tool_name('readelf'), -- Cheers, Carlos.