[fpc-pascal] Using other fpc installation

Thu Aug 17 00:06:12 CEST 2017

Alright, its compiling! It was wrong path in fpc.cfg. The DEB 
installation creates a directory structure under the fpc directory that 
matches this:

/lib/fpc/3.1.1/units/$fpctarget

Thanks again!

On 08/16/2017 11:22 PM, Tomas Hajny wrote:
> On Wed, August 16, 2017 23:08, kapibara via fpc-pascal wrote:
>> The old SVN version is now in play, so far so good! But then "Can't find
>> unit system" happened:
> You need RTL (and other required units, e.g. from packages) compiled with
> that compiler version and provide path to it either using fpc.cfg, or -Fu
> command line parameter(s). Parameter -vt shows the path used by the
> compiler when trying to find the appropriate version of a compiled unit.
>
> Tomas

The working fpc.cfg

# Config file generated by fpcmkcfg on 16-8-17 - 23:52:00
# Example fpc.cfg for Free Pascal Compiler
#

# ----------------------
# Defines (preprocessor)
# ----------------------

#
# nested #IFNDEF, #IFDEF, #ENDIF, #ELSE, #DEFINE, #UNDEF are allowed
#
# -d is the same as #DEFINE
# -u is the same as #UNDEF
#

#
# Some examples (for switches see below, and the -? helppages)
#
# Try compiling with the -dRELEASE or -dDEBUG on the commandline
#

# For a release compile with optimizes and strip debuginfo
#IFDEF RELEASE
   -O2
   -Xs
   #WRITE Compiling Release Version
#ENDIF

# For a debug version compile with debuginfo and all codegeneration 
checks on
#IFDEF DEBUG
   -gl
   -Crtoi
   #WRITE Compiling Debug Version
#ENDIF

# assembling
#ifdef darwin
# use pipes instead of temporary files for assembling
-ap
# path to Xcode 4.3+ utilities (no problem if it doesn't exist)
-FD/Applications/Xcode.app/

Contents/Developer/usr/bin
#endif

# ----------------
# Parsing switches
# ----------------

# Pascal language mode
#      -Mfpc      free pascal dialect (default)
#      -Mobjfpc   switch some Delphi 2 extensions on
#      -Mdelphi   tries to be Delphi compatible
#      -Mtp       tries to be TP/BP 7.0 compatible
#      -Mgpc      tries to be gpc compatible
#      -Mmacpas   tries to be compatible to the macintosh pascal dialects
#
# Turn on Object Pascal extensions by default
#-Mobjfpc

# Assembler reader mode
#      -Rdefault  use default assembler
#      -Ratt      read AT&T style assembler
#      -Rintel    read Intel style assembler
#
# All assembler blocks are AT&T styled by default
#-Ratt

# Semantic checking
#      -S2        same as -Mobjfpc
#      -Sc        supports operators like C (*=,+=,/= and -=)
#      -Sa        include assertion code.
#      -Sd        same as -Mdelphi
#      -Se<x>     error options. <x> is a combination of the following:
#         <n> : compiler stops after <n> errors (default is 1)
#         w   : compiler stops also after warnings
#         n   : compiler stops also after notes
#         h   : compiler stops also after hints
#      -Sg        allow LABEL and GOTO
#      -Sh        Use ansistrings
#      -Si        support C++ styled INLINE
#      -Sk        load fpcylix unit
#      -SI<x>     set interface style to <x>
#         -SIcom    COM compatible interface (default)
#         -SIcorba  CORBA compatible interface
#      -Sm        support macros like C (global)
#      -So        same as -Mtp
#      -Sp        same as -Mgpc
#      -Ss        constructor name must be init (destructor must be done)
#      -Sx        enable exception keywords (default in Delphi/ObjFPC modes)
#
# Allow goto, inline, C-operators, C-vars
-Sgic

# ---------------
# Code generation
# ---------------

# Uncomment the next line if you always want static/dynamic units by default
# (can be overruled with -CD, -CS at the commandline)
#-CS
#-CD

# Set the default heapsize to 8Mb
#-Ch8000000

# Set default codegeneration checks (iocheck, overflow, range, stack)
#-Ci
#-Co
#-Cr
#-Ct

# Optimizer switches
# -Os        generate smaller code
# -Oa=N      set alignment to N
# -O1        level 1 optimizations (quick optimizations, debuggable)
# -O2        level 2 optimizations (-O1 + optimizations which make 
debugging more difficult)
# -O3        level 3 optimizations (-O2 + optimizations which also may 
make the program slower rather than faster)
# -Oo<x>     switch on optimalization x. See fpc -i for possible values
# -OoNO<x>   switch off optimalization x. See fpc -i for possible values
# -Op<x>     set target cpu for optimizing, see fpc -i for possible values

#ifdef darwin
#ifdef cpui386
-Cppentiumm
-Oppentiumm
#endif
#endif

# -----------------------
# Set Filenames and Paths
# -----------------------

# Both slashes and backslashes are allowed in paths

# path to the messagefile, not necessary anymore but can be used to override
# the default language
#-Fr/home/roger/fpc/fpc_svn/lib/fpc/3.1.1/msg/errore.msg
#-Fr/home/roger/fpc/fpc_svn/lib/fpc/3.1.1/msg/errorn.msg
#-Fr/home/roger/fpc/fpc_svn/lib/fpc/3.1.1/msg/errores.msg
#-Fr/home/roger/fpc/fpc_svn/lib/fpc/3.1.1/msg/errord.msg
#-Fr/home/roger/fpc/fpc_svn/lib/fpc/3.1.1/msg/errorr.msg

# searchpath for units and other system dependent things
-Fu/home/roger/fpc/fpc_svn/lib/fpc/3.1.1/units/$fpctarget
-Fu/home/roger/fpc/fpc_svn/lib/fpc/3.1.1/units/$fpctarget/*
-Fu/home/roger/fpc/fpc_svn/lib/fpc/3.1.1/units/$fpctarget/rtl
-Fu/home/roger/fpc/pascalscript/Source

#IFDEF FPCAPACHE_1_3
-Fu/home/roger/fpc/fpc_svn/lib/fpc/3.1.1/units/$fpctarget/httpd13/
#ELSE
#IFDEF FPCAPACHE_2_0
-Fu/home/roger/fpc/fpc_svn/lib/fpc/3.1.1/units/$fpctarget/httpd20
#ELSE
-Fu/home/roger/fpc/fpc_svn/lib/fpc/3.1.1/units/$fpctarget/httpd22
#ENDIF
#ENDIF

# searchpath for fppkg user-specific packages
-Fu~/.fppkg/lib/fpc/$fpcversion/units/$FPCTARGET/*

# path to the gcclib
#ifdef cpui386
-Fl/usr/lib/gcc/x86_64-linux-gnu/6
#endif
#ifdef cpux86_64
-Fl/usr/lib/gcc/x86_64-linux-gnu/6
#endif

# searchpath for libraries
#-Fl/home/roger/fpc/fpc_svn/lib/fpc/3.1.1/lib
#-Fl/lib;/usr/lib
-Fl/home/roger/fpc/fpc_svn/lib/fpc/3.1.1/lib/$FPCTARGET

# searchpath for tools
-FD/home/roger/fpc/fpc_svn/lib/fpc/3.1.1/bin/$FPCTARGET

#IFNDEF CPUI386
#IFNDEF CPUAMD64
#DEFINE NEEDCROSSBINUTILS
#ENDIF
#ENDIF

#IFNDEF Linux
#DEFINE NEEDCROSSBINUTILS
#ENDIF

# binutils prefix for cross compiling
#IFDEF FPC_CROSSCOMPILING
#IFDEF NEEDCROSSBINUTILS
   -XP$FPCTARGET-
#ENDIF
#ENDIF

# -------------
# Linking
# -------------

# generate always debugging information for GDB (slows down the compiling
# process)
#      -gc        generate checks for pointers
#      -gd        use dbx
#      -gg        use gsym
#      -gh        use heap trace unit (for memory leak debugging)
#      -gl        use line info unit to show more info for backtraces
#      -gv        generates programs tracable with valgrind
#      -gw        generate dwarf debugging info
#
# Enable debuginfo and use the line info unit by default
#-gl

# always pass an option to the linker
#-k-s

# Always strip debuginfo from the executable
-Xs

# -------------
# Miscellaneous
# -------------

# Write always a nice FPC logo ;)
-l

# Verbosity
#      e : Show errors (default)       d : Show debug info
#      w : Show warnings               u : Show unit info
#      n : Show notes                  t : Show tried/used files
#      h : Show hints                  s : Show time stamps
#      i : Show general info           q : Show message numbers
#      l : Show linenumbers            c : Show conditionals
#      a : Show everything             0 : Show nothing (except errors)
#      b : Write file names messages   r : Rhide/GCC compatibility mode
#          with full path              x : Executable info (Win32 only)
#      v : write fpcdebug.txt with     p : Write tree.log with parse tree
#          lots of debugging info
#
# Display Info, Warnings and Notes
-viwn
# If you don't want so much verbosity use
#-vw

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