Gpc

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5400 discussions

gpc compilation failed under BSD
by karim_f＠mysunrise.ch 09 May '04

09 May '04

Hello Frank (and others) I don`t know which make is installed on my system. How can I check the "origin" or "brand" ? I`m sure, it is the default make that comes with a freebsd CD installation. Did you install a new make version when you tested the gpc compiler system on netbsd ? ...I don`t think so. Anyway, I didn`t find a bsd port of gnu make. Can I get it from the gnu webpage ? Greetings Karim ******************************************************************** Are you using GNU make? (If not, please do. You can install it in parallel to BSD make, say as gmake, and invoke gmake instead of make. You might have to restart building from scratch then.) Frank

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Re: Say hello world... please... Solved
by Marten Jan de Ruiter 07 May '04

07 May '04

> use gpc -v to show invocation of collect2 OK, seems to see the right path (i.e. /cluster3/deruiter/system/lib/gcc-lib/i686-pc-linux-gnu/3.2.1 ), but no results. Checking the path shows an old library, dating from july of the previous year... weird, it cannot be found in the new build. Removal of libgpc.so resolves everyting :-) Thanks! Marten Jan /cluster3/deruiter 124 % ll /cluster3/deruiter/system/lib/gcc-lib/i686-pc-linux-gnu/3.2.1 total 21040 -rwxr-xr-x 1 deruiter staff 8573062 May 7 16:34 cc1 -rwxr-xr-x 1 deruiter staff 355561 May 7 16:34 collect2 -rwxr-xr-x 1 deruiter staff 598881 May 7 16:34 cpp0 -rw-r--r-- 1 deruiter staff 1648 May 7 16:34 crtbegin.o -rw-r--r-- 1 deruiter staff 2036 May 7 16:34 crtbeginS.o -rw-r--r-- 1 deruiter staff 1952 May 7 16:34 crtbeginT.o -rw-r--r-- 1 deruiter staff 1216 May 7 16:34 crtend.o -rw-r--r-- 1 deruiter staff 1272 May 7 16:34 crtendS.o -rwxr-xr-x 1 deruiter staff 8431263 May 7 16:34 gpc1 -rwxr-xr-x 1 deruiter staff 186331 May 7 16:34 gpcpp drwxr-xr-x 7 deruiter staff 4096 May 7 16:34 include -rw-r--r-- 1 deruiter staff 1757576 May 7 16:34 libgcc.a -rw-r--r-- 1 deruiter staff 210436 May 7 16:34 libgcc_eh.a -rw-r--r-- 1 deruiter staff 600712 May 7 16:34 libgpc.a -rwxr-xr-x 1 deruiter staff 484434 Jul 25 2003 libgpc.so -rw-r--r-- 1 deruiter staff 6843 May 7 16:34 specs -rwxr-xr-x 1 deruiter staff 222854 May 7 16:34 tradcpp0 drwxr-xr-x 2 deruiter staff 4096 May 7 16:34 units /cluster3/deruiter 119 % gpc -v t.p -o t Reading specs from /cluster3/deruiter/system/lib/gcc-lib/i686-pc-linux-gnu/3.2.1/specs Configured with: /cluster3/deruiter/system/src/gcc-3.2.1/configure --prefix=/cluster3/deruiter/system --enable-languages=pascal Thread model: posix gpc version 20030830, based on gcc-3.2.1 /cluster3/deruiter/system/lib/gcc-lib/i686-pc-linux-gnu/3.2.1/gpcpp -D__BITS_LITTLE_ENDIAN__=1 -D__BYTES_LITTLE_ENDIAN__=1 -D__WORDS_LITTLE_ENDIAN__=1 -D__NEED_NO_ALIGNMENT__=1 -v -D__GNUC__=3 -D__GNUC_MINOR__=2 -D__GNUC_PATCHLEVEL__=1 -D__GXX_ABI_VERSION=102 -D__ELF__ -Dunix -D__gnu_linux__ -Dlinux -D__ELF__ -D__unix__ -D__gnu_linux__ -D__linux__ -D__unix -D__linux -Asystem=posix -D__NO_INLINE__ -D__STDC_HOSTED__=1 -Acpu=i386 -Amachine=i386 -Di386 -D__i386 -D__i386__ -D__tune_i686__ -D__tune_pentiumpro__ t.p -famtmpfile=/tmp/cctInn8S.gpa /tmp/cc4FxSeC.i GNU Pascal Compiler PreProcessor version 20030830, based on gcc-3.2.1 (i386 Linux/ELF) /cluster3/deruiter/system/lib/gcc-lib/i686-pc-linux-gnu/3.2.1/gpc1 /tmp/cc4FxSeC.i -quiet -dumpbase t.p -version -famtmpfile=/tmp/cctInn8S.gpa -o /tmp/cc9ISZwl.s GNU Pascal version is actually 20030830, based on gcc-3.2.1 GNU Pascal version 3.2.1 (i686-pc-linux-gnu) compiled by GNU C version 3.2.1. as -V -Qy -o /tmp/ccM54ZJ8.o /tmp/cc9ISZwl.s GNU assembler version 2.13.90.0.2 (i386-redhat-linux) using BFD version 2.13.90.0.2 20020802 /cluster3/deruiter/system/lib/gcc-lib/i686-pc-linux-gnu/3.2.1/collect2 --eh-frame-hdr -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 -o t /usr/lib/crt1.o /usr/lib/crti.o /cluster3/deruiter/system/lib/gcc-lib/i686-pc-linux-gnu/3.2.1/crtbegin.o -L/cluster3/deruiter/system/lib/gcc-lib/i686-pc-linux-gnu/3.2.1 -L/cluster3/deruiter/system/lib/gcc-lib/i686-pc-linux-gnu/3.2.1/../../.. /tmp/ccM54ZJ8.o -lgpc -lm -lgcc -lgcc_eh -lc -lgcc -lgcc_eh /cluster3/deruiter/system/lib/gcc-lib/i686-pc-linux-gnu/3.2.1/crtend.o /usr/lib/crtn.o /tmp/ccM54ZJ8.o: In function `main': /tmp/ccM54ZJ8.o(.text+0x80): undefined reference to `__GPC_RTS_VERSION_20030830__' collect2: ld returned 1 exit status

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Say hello world... please...
by Marten Jan de Ruiter 07 May '04

07 May '04

Hi all, Trying to install gpc version 20030830 I ran into a problem with ld. Singling out the problem I have the following (trivial :-) pascal program t.p. The log shows all, I hope. including or excluding the line `uses gpc;' does not change the result. I do not know if I have to set things correct for ld, or that the system-wide install of gpc (version 20030507) interferes with my user-install in /cluster3/deruiter/system/bin Anyways, I do not get an executable, and all help is welcome. Please ask if information is missing Regards, Marten Jan /cluster3/deruiter 87 % cat t.p program t; uses gpc; begin writeln('hello world'); end. /cluster3/deruiter 88 % gpc --automake t.p -o t /tmp/cct9af9n.o: In function `main': /tmp/cct9af9n.o(.text+0x85): undefined reference to `__GPC_RTS_VERSION_20030830__' collect2: ld returned 1 exit status /cluster3/deruiter 89 % which gpc /cluster3/deruiter/system/bin/gpc /cluster3/deruiter 90 % gpc --version gpc 20030830, based on gcc-3.2.1 Copyright (C) 1987-2003 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. /cluster3/deruiter 91 % gcc --version gcc (GCC) 3.2.1 Copyright (C) 2002 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. /cluster3/deruiter 92 % which gcc /cluster3/deruiter/system/bin/gcc /cluster3/deruiter 93 % gpc -print-file-name=libgpc.a /cluster3/deruiter/system/lib/gcc-lib/i686-pc-linux-gnu/3.2.1/libgpc.a /cluster3/deruiter 94 % grep __GPC_RTS_VERSION_20030830__ `gpc -print-file-name=libgpc.a` Binary file /cluster3/deruiter/system/lib/gcc-lib/i686-pc-linux-gnu/3.2.1/libgpc.a matches

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Size of 'Hello World'
by Claudiozm＠aol.com 07 May '04

07 May '04

I compiled two versions of 'Hello World!', one in C and the other in Pascal in the ctgwin environment, as follows: C source hello.c: int main() {printf("Hello World!\n");} command line: gcc hello.c -o helloc.exe Pascal source: program Hello; begin writeln('Hello World!') end. command line: gpc hello.pas -o hellopas.exe The sizes of the binaries I obtained were, respectively (copied from the DOS prompt dir command): HELLOC EXE 11.296 bytes HELLOPAS EXE 283.531 bytes Why the sizes of these files are so different? What must be done in order to obtain a hellopas.exe file of reasonable size? Thanks in advance. Claudio

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How to avoid heap Marking
by Josef Urban 05 May '04

05 May '04

Hi, I am looking for a clean way, how to get rid of the heap marking in gpc-20030830. It seems to me that the simplest way how to do it now, is to comment the Mark (FirstMark) statement in system.pas:808 (initialization code), but I think that there should be a better way, particularly after reading this GPC posting: http://www.gnu-pascal.de/crystal/gpc/en/mail8202.html . It says: > PrepareDisposePointer shouldn't do much unless `Mark' is used > (anywhere in the program) which, e.g., the `HeapMon' unit does. If > you use either of them, this probably explains it. `Mark' is not > optimized for speed (I consider it mostly an outdated and/or > debugging thing). The speed-up factor is pretty significant - 8-12 times faster without marking - since I have milions or tens of milions (de)allocations. Thanks for any advice, Josef Urban

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How are objects saved to stream?
by Neil Santos 04 May '04

04 May '04

I've been using Pascal a while, but it was only recently that I decided to use Pascal for OO programming. Having only used records and typed files up to this point, I'm wondering how objects are saved to stream. Am I right in supposing that only instance variables are saved? If so, then what about the instance variables of objects inside an object? And the instance variables of objects inside an object, that's inside an object (and... you get the idea)? I know I should just try it and see for myself, but there are times when trial-and-error must take a backseat to give way to asking, and I think this is one of those times. TIA. -- Political Dissident Neil Santos Free Software Advocate Jabber: nsantos(a)jabber.org Please avoid sending me attachments encoded in secret formatting. See http://www.fsf.org/philosophy/no-word-attachments.html

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Re: gpc compilation failed under BSD
by Thorsten Glaser 04 May '04

04 May '04

Dixitur illum ih8mj(a)fjf.gnu.de scribere... >> gpc-20030830 >> gcc-3.3.1 >Are you using GNU make? (If not, please do. You can install it in >parallel to BSD make, say as gmake, and invoke gmake instead of >make. You might have to restart building from scratch then.) Alternatively, you can use the port from MirOS (mirbsd.de), which uses BSD make, but only gcc-3.2.3 (propolice) with gpc-20030830. On the other hand, newer versions aren't officially supported anyways - plus I've done great efforts to also rewrite the Ada makefiles for our make. bye, //Thorsten -- Solange man keine schmutzigen Tricks macht, und ich meine *wirklich* schmutzige Tricks, wie bei einer doppelt verketteten Liste beide Pointer XORen und in nur einem Word speichern, funktioniert Boehm ganz hervorragend. -- Andreas Bogk über boehm-gc in d.a.s.r

1 0

MD5 unit
by Thorsten Glaser 01 May '04

01 May '04

Hello all! Recently I've discovered Frank (IIRC) telling us that the MD5 unit is, in contrast to all other units (I just double-checked), not licenced under the GNU LGPL, or GPL with library exception clause, but rather plain GPL because it contains code from Ulrich Drepper's glibc imple- mentation of the MD5 algorithm. I took the time and prepared a new, BSD-licenced, implementation of the code, while preserving the old framework (ie, interface), and having as few diffs against existing code as possible. On the other hand, since a few of the old functions continue to exist, would please the original author of the md5.pas file stand up and give permission to have the "new" md5.pas, which comes without other GPL-licenced code, under the licence shown in the attached file? If that's cleared up, I would like to have the md5.pas in the stock distribution replaced, and the md5c.c added. As for md5c.c - it depends on <sys/types.h> to exist (I think that's OK per ANSI/ISO C), and checks for a definition LITTLE_ENDIAN (if it's not defined, big endian is assumed) - that might be a portability problem to be solved. Since you are far better in gcc and non-BSD environments than myself, I'll leave that to you. But please let's clear up the licence issues first. We need permission from the FSF (who got assigned copyright for the old md5.pas file) or the person who originally wrote all the other routines (starting at MD5Clear, continuing over MD5Compare, MD5Str etc.). By acknowledging this, GPC's runtime environment is fully suitable for being used to compile, link and redistribute any application, not just Free Software. Thanks in advance, and in the hope to be helpful //Thorsten -- Solange man keine schmutzigen Tricks macht, und ich meine *wirklich* schmutzige Tricks, wie bei einer doppelt verketteten Liste beide Pointer XORen und in nur einem Word speichern, funktioniert Boehm ganz hervorragend. -- Andreas Bogk über boehm-gc in d.a.s.r

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Bug Report
by Frank D. Engel, Jr. 27 Apr '04

27 Apr '04

Not sure if this one has come up yet, but I have been experiencing some strange behavior in that some of my strings seem to disappear when used as parameters for procedure calls. I'm not in a position to offer a demo program, and unfortunately, this does not seem to happen in every situation, but here is in essence what is happening. Consider: TYPE STRING63 = STRING(63); FUNCTION x : STRING63; { returns a nonempty string } PROCEDURE y(z, t : STRING63); { ... } VAR a, b : STRING63; BEGIN a := 'hi'; y(x, a); <..> Now if I try to use t within y, I should get the string 'hi', but it turns out to be an empty string (even if I WRITE(t) immediately after the opening BEGIN in the procedure). However, if I do this: a := 'hi'; b := x; y(b, a); then it works correctly. There seems to be a problem with using a function returning a string (maybe just one with no parameters?) directly as an argument to a procedure. Storing the result in a variable then using the variable as the parameter solves the problem. Obviously this creates a simple workaround, but it is still a bug... ----------------------------------------------------------- Frank D. Engel, Jr. <fde101(a)fjrhome.net> ____________________________________________________________ Free 20 MB Bannerless Domain Hosting, 1000 MB Data Transfer 10 Personalized POP and Web E-mail Accounts, and more. Get It Now At www.doteasy.com

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write bug
by Russell Whitaker 26 Apr '04

26 Apr '04

Hi this program: program writebug; var b1, b2: string (80); f: Text; begin Assign (f, 'ref.txt'); Reset (f); readln (f, b2); while not eof(f) do begin ReadLn (f, b1); if b1 [ 1 ] = '=' then writeln( b2, ' ':64 - length( b2 ), 'bug') else WriteLn ( b2); b2 := b1; end; writeln ( b1); Close (f); end. Using either gpc built with gcc-3.3.3 or gcc-3.4.0 and this input file named ref.txt: The Alphabetical GPC Language Reference Abs === absolute ======== oops. gives me this output: The Alphabetical GPC Language Reference Abs bug === bug absolute bug ======== bug oops. Unless I have egg on my face (again), the word "bug" should not appear on the "===" lines. Russ

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