On Sun, Jun 6, 2010 at 4:35 PM, leif <not.rea...@online.de> wrote:
> On 7 Jun., 01:19, William Stein <wst...@gmail.com> wrote:
>> On Sun, Jun 6, 2010 at 4:10 PM, Dr. David Kirkby
>>
>> <david.kir...@onetel.net> wrote:
>> > On 06/ 6/10 11:48 PM, François Bissey wrote:
>>
>> >> yes singular is a downright mess, upstream and in sage.
>>
>> > I'm glad I'm not alone in my view.
>>
>> I just want to clarify something again (which David already
>> clarified): you guys are both talking about the build system, and I'm
>> talking only about the C++ source code. So we aren't disagreeing.
>
> I thought in this thread we were only talking about its build system,
> not the source code or Singular's quality in general.
>
> I cannot resist to give some excerpts from just src/Singular/
> Makefile.in:
>
> ##
> ## various programs
> ##
> @SET_MAKE@
> CC = @CC@
> LD = @LD@
> CXX = @CXX@
> LEX = sh flexer.sh
>
> PERL = @PERL@
> BISON = bison
> INSTALL = @INSTALL@
> INSTALL_PROGRAM = @INSTALL_PROGRAM@
> INSTALL_DATA = @INSTALL_DATA@
> MKINSTALLDIRS = ./mkinstalldirs
> LN_S = @LN_S@
>
> ...
>
> SOURCES=${CSOURCES} ${CXXSOURCES} \
> grammar.y scanner.l libparse.l \
> utils.cc utils.h \
> tesths.cc mpsr_Tok.cc claptmpl.cc
>
> ...
>
> ##
> ## Build Targets
> ##
> .l.cc:
> �...@if test -r scanner.cc; then \
> touch scanner.cc ;\
> elif test "x${LEX}" = x; then \
> echo Error: no lex given, could not rebuilt scanner.cc;\
> exit 1; \
> fi
> ${LEX} -s -I -t $< > scanner.cc.lmp
> cp scanner.cc.lmp scanner.cc
>
> .y.cc:
> �...@if test -r grammar.cc; then \
> touch grammar.cc ;\
> else \
> if test "x${BISON}" = x; then \
> echo Error: no bison given, could not rebuilt grammar.cc;\
> exit 1; \
> fi;\
> ${BISON} -d -t -o grammar.cc $<;\
> chmod +x testgh;\
> ./testgh;\
> fi
>
> Note that these are all from the same file. You could also take a look
> at flexer.sh...
>
> -Leif
To make your complaints clearer and more *constructive*, I wonder if
you could explain roughly how you would rewrite the above code?
-- William
--
William Stein
Professor of Mathematics
University of Washington
http://wstein.org
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