A few little changes to the ceckout of release_3_0_4 tag
of fpcbuild repository were made in order
to be able to generate an installation tar for powerpc-aix target.

Generated January 4th 2018.

Enjoy, and report any problem,

Pierre Muller

Index: install/makepack
===================================================================
--- install/makepack	(revision 1345)
+++ install/makepack	(working copy)
@@ -30,9 +30,13 @@
 # to use the | head -n1 to fix a bug in fpc 1.9.4 and earlier
 # that uses exitcode 1 also when printing info resulting in
 # fpc binary to print an error line (PFV)
-SOURCECPU=`fpc -iSP | head -n1`
-SOURCEOS=`fpc -iSO | head -n1`
+if [ -z "$STARTFPC" ] ; then
+  STARTFPC=fpc
+fi
 
+SOURCECPU=`$STARTFPC -iSP | head -n1`
+SOURCEOS=`$STARTFPC -iSO | head -n1`
+
 # retrieve real OS.
 HOSTOS=`uname -s | tr "[:upper:]" "[:lower:]"`
 
@@ -56,6 +60,10 @@
  *openbsd*) MAKE=gmake
 	EXTRAOPT="-Fl/usr/local/lib"
   ;;
+ *aix*) MAKE=gmake
+	EXTRAOPT="-Fl/opt/freeware/lib"
+        export SPECIALLINK="-Xd  -CTsmalltoc"
+  ;;
 esac
 
 if [ $# -ne 0 ]; then
Index: fpcsrc/ide/fpmake.pp
===================================================================
--- fpcsrc/ide/fpmake.pp	(revision 37892)
+++ fpcsrc/ide/fpmake.pp	(working copy)
@@ -137,6 +137,7 @@
   T : TTarget;
   CompilerTarget : TCpu;
   s: string;
+  ps : integer;
 
 begin
   AddCustomFpmakeCommandlineOption('CompilerTarget','Target CPU for the IDE''s compiler');
@@ -191,6 +192,20 @@
     if CompilerTarget = mipsel then
       P.Options.Add('-Fu../compiler/mips');
 
+    { Handle SPECIALLINK environment variable if available }
+    s:=Trim(GetEnvironmentVariable('SPECIALLINK'));
+    if s<>'' then
+      begin
+        ps:=pos(' ',s);
+        while ps>0 do
+          begin
+            P.Options.Add(copy(s,1,ps-1));
+            s:=Trim(copy(s,ps+1,length(s)));
+            ps:=pos(' ',s);
+          end;
+        if s<>'' then
+          P.Options.Add(s);
+      end;
     P.Options.Add('-Sg');
     P.IncludePath.Add('compiler');
 
Index: fpcsrc/utils/fpcm/revision.inc
===================================================================
--- fpcsrc/utils/fpcm/revision.inc	(revision 37892)
+++ fpcsrc/utils/fpcm/revision.inc	(working copy)
@@ -1 +1 @@
-'2017-02-13 rev 35434'
+'2017-09-02 rev 37116'
Index: install/install.sh
===================================================================
--- install/install.sh	(revision 1345)
+++ install/install.sh	(working copy)
@@ -39,6 +39,19 @@
 #
 #
 CMDTAR="tar"
+OS=`uname -s`
+if [ "$OS" == "AIX" ] ; then
+  GNUTAR=`which gtar`
+  if [ -e "$GNUTAR" ] ; then
+    CMDTAR="$GNUTAR"
+    echo "Using GNU tar"
+  else
+    echo "GNU tar not found, installation might fail as AIX tar is not compatible"
+    echo "If you know how to call AIX tar to install Free Pascal please report"
+    echo "to fpc-devel mailing list"
+  fi
+fi
+
 TAR="$CMDTAR --no-same-owner"
 # Untar files ($3,optional) from  file ($1) to the given directory ($2)
 unztar ()