[Vm-dev] ac_cv_cflags_warn_all in unix configure script

[stes]

I'm giving it a try to compile OpenSmalltalk with the Sun C compiler on
Solaris.

In the OpenSmalltalk sources, under platforms/unix/config/configure

in the configure script there is some code to select "maximum warnings" for
the C compiler

when configuring with the Sun C compiler that part of the configure script
does not work.

It selects "-warn all" when automatic configuration is used, but the cc
compiler later on complains because this option does not exist, it is in
fact interpreted as a way to pass '-r' and '-n' via '-wa' to the linker.

As a solution or workaround if you like,  what works is :  ./configure
*ac_cv_cflags_warn_all="-pedantic"*

So the following configure line works

  $ ../../../platforms/unix/config/configure --without-npsqueak
--with-vmversion=5.0 --with-src=spursrc TARGET_ARCH=-m32
*ac_cv_cflags_warn_all="-pedantic"* CFLAGS=-g -O2 -DNDEBUG -DDEBUGVM=0
-DCOGMTVM=0

and the compilation starts.





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