GNU bug report logs - #34925
Overwriting target_LDFLAGS within conditionals

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Karl Berry <karl <at> freefriends.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#34925: closed (Overwriting target_LDFLAGS within conditionals)
Date: Tue, 23 Feb 2021 22:32:02 +0000

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Your message dated Tue, 23 Feb 2021 15:31:25 -0700
with message-id <202102232231.11NMVPak002438 <at> freefriends.org>
and subject line 
has caused the debbugs.gnu.org bug report #34925,
regarding Overwriting target_LDFLAGS within conditionals
to be marked as done.

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help-debbugs <at> gnu.org.)


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34925: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=34925
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From: Дилян Палаузов
 <dilyan.palauzov <at> aegee.org>
To: bug-automake <at> gnu.org
Subject: Overwriting target_LDFLAGS within conditionals
Date: Wed, 20 Mar 2019 17:26:08 +0000

Hello,

my reading of the automake manual is that for an AM_CONDITIONAL Z

AM_LDFLAGS = -flto
if Z
a_LDFLAGS = -O3
endif

means:

if Z is defined, a_LDFLAGS is used and AM_LDFLAGS are not used.
if Z is not defined, a_LDFLAGS is absent and AM_LDFLAGS are used.

But looking in Makefile.in the code looks like this:

@Z_TRUE <at> a_LDFLAGS = -O3
a_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC \
        $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=link $(CCLD) \
        $(AM_CFLAGS) $(CFLAGS) $(a_LDFLAGS) $(LDFLAGS) -o $@

which means, that AM_LDFLAGS is always ignored.

The manual says in “Program and Library Variables”:

‘maude_LDFLAGS’
     This variable is used to pass extra flags to the link step of a
     program or a shared library.  It overrides the ‘AM_LDFLAGS’
     variable.

Regards
  Дилян

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From: Karl Berry <karl <at> freefriends.org>
To: 34925-done <at> debbugs.gnu.org
Date: Tue, 23 Feb 2021 15:31:25 -0700

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