[sr #111399] Smarter compiler version check

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URL:=0A  <https://savannah.gnu.org/support/?111399>=0A=0A                 S=
ummary: Smarter compiler version check=0A                   Group: Autoconf=
=0A               Submitter: None=0A               Submitted: Tue 31 Mar 20=
26 12:44:50 AM UTC=0A                Priority: 5 - Unprioritized=0A        =
        Severity: 3 - Normal=0A                  Status: None=0A           =
      Privacy: Public=0A             Assigned to: None=0A        Originator=
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____________________________=0A=0AFollow-up Comments:=0A=0A=0A-------------=
------------------------------------------=0ADate: Tue 31 Mar 2026 12:44:50=
 AM UTC By: Anonymous=0ABe it as it may that was actually the best way to c=
heck if a compiler exists=0Aat all, how it is=0A[https://gitweb.git.savanna=
h.gnu.org/gitweb/?p=3Dautoconf.git;a=3Dblob;f=3Dlib/autoconf/c.m4;h=3D4771b=
2c991e5ef78f9ed6116ffe54e92c9e7eec5;hb=3DHEAD#l497=0Adone now] is pretty ro=
ugh.=0AThe configure script has to call it over and over again even if it h=
as already=0Apreviously been successful, and it is granted to cause errors =
in the log file.=0A=0A=0AAs you can see for example=0A[https://superuser.co=
m/questions/846768/gcc-unrecognized-command-line-options-v-and-qversion-wit=
h-autoconf=0Ahere], it creates a lot of confusion to users that are trying =
to diagnose a=0Afailure for their first time and take a red herring.=0A=0A=
=0A=0A=0A=0A=0A=0A    _____________________________________________________=
__=0A=0AReply to this item at:=0A=0A  <https://savannah.gnu.org/support/?11=
1399>=0A=0A_______________________________________________=0AMessage sent v=
ia Savannah=0Ahttps://savannah.gnu.org/=0A
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