#!/usr/bin/perl
## $Id: run47,v 1.37 2014/01/13 13:39:37 pdc Exp $

$pwd=`pwd`;	chomp($pwd);
$quiet=$ENV{QUIET}+0;
$forcexx=$ENV{FORCEXX}+0;
$GCCFLAGS=$ENV{GCCFLAGS};
$GPPFLAGS=$ENV{GPPFLAGS};
$GCCERR=$ENV{GCCERR};
$warn='';
our $ERR=\*STDERR;
my $noLTO=$ENV{NO_LTO}=~/1|yes/i;


if(defined $GCCERR) {
	open ERR,">>", $GCCERR || die "cant create error output: $!\n";
	$ERR=\*ERR;
}

if($ARGV[0] eq '') {
	$h=" COMPILER_TYPE=gcc CC=run47 CXX=run47++ FC=run47f";
	print $ERR "env PATH=/tmp/run47:\$PATH GCCFLAGS='-fPIC ' make $h all deinstall reinstall \n";
	print $ERR "env PATH=/tmp/run47:\$PATH make $h CFLAGS+=-fPIC all deinstall reinstall \n";
	print $ERR "env PATH=/tmp/run47:\$PATH make $h all deinstall reinstall \n";
	print $ERR "make $h all deinstall reinstall \n";
	print $ERR "make $h CFLAGS+=-fPIC  all deinstall reinstall \n";
	print $ERR "make $h GCCFLAGS=-lintl all deinstall reinstall \n";
	print $ERR "make $h DEBUG_FLAGS=-g3 WITH_DEBUG=yes all deinstall reinstall \n";
	print $ERR "make $h \n";
	print $ERR "make $h NO_LTO=1\n";
	print $ERR "make1 $h\n";
	print $ERR "env $h make \n";
	print $ERR "env GCCFLAGS='-fPIC -I/usr/local/include/glib12 -I/usr/local/include/libIDL-1.0' make1 $h\n";
	#print $ERR "  CFLAGS+=-fPIC     FORCEXX=1      QUIET=1	env GCCFLAGS=-lstdc++\n";
	print $ERR " $h    CPP=run47cpp \n";
	print $ERR "  CFLAGS+=-fPIC     FORCEXX=1      QUIET=1	GCCFLAGS=-lstdc++  GCCFLAGS='-lstdc++ -g3'\n";
	print $ERR "  DEBUG_FLAGS=-g3 WITH_DEBUG=yes  GCCERR=`tty` \n";
	print $ERR "$0 install\n";
	exit 64;
}
elsif($ARGV[0] eq 'install') {
	
	system qq%
mkdir /tmp/run47
ln -sf "$0" /tmp/run47/cc
ln -sf "$0" /tmp/run47/gcc
ln -sf "$0" /tmp/run47/g++
ln -sf "$0" /tmp/run47/c++
ln -sf "$0" /tmp/run47/gcc47
ln -sf "$0" /tmp/run47/g++47
%;
	exit 0;
}

print $ERR "\n";

my $nolink=0;
$args=join ' ',@ARGV;
if($args=~/-x c\+\+-header|hpp$/) {
	$nolink=1;
}

@ARG=();
for $i (0..$#ARGV) { $a=$ARGV[$i]; 
	if($a=~s/^-avoid-version$//) 		{ $warn.="******.avoid-version.************  " }; 
	if($a=~s/^-Qunused-arguments$//) 		{ $warn.="******.Qunused-arguments.************  " }; 
	if($a=~s/^-Bsymbolic-functions$//) 	{ $warn.="******.Bsymbolic-functions.************  " }; 
	if($a=~s/(\s)-implicit-function-declaration$/$1/) 	{ $warn.="******.implicit-function-declaration.************  " }; 
	if($a=~s/^-fformat-extensions$//) 	{ $warn.="******.fformat-extensions.*************  " }; 
	if($a=~s/^-fno-format-extensions$//) 	{ $warn.="******.fno-format-extensions.*************  " }; 
	if($a=~s/^-fforce-mem$//) 		{ $warn.="******.fforce-mem.*************  " }; 
	if($a=~s/^-fno-format-extensions$//) 	{ $warn.+"*******.fno-format-extensions.**********  " }; 
	if($a=~s/^--shave-mode=(compile|link)$//) 	{ $warn.="********.shave-mode=$1.*********  " }; 
	if($a=~s/^-Werror$//) 			{ $warn.="********.Werror.*********  " }; 
	if($a=~s/^-Wl --warn-common$/-Wl,--warn-common/) 		{ $warn.="********.warn-common.*********  " }; 
	if($a=~s/^-Wl$//) 			{ $warn.="********.lone.Wl.*********  " }; 
	if($a=~s/^-module//) 			{ $warn.="********.module.*********  " }; 
	if($a=~s/^-liconv/-lc/) 			{ $warn.="********.-liconv.*********  " }; 		# !!! 10-11?

	if($nolink && $a=~s/^-Wl,\S+//) 		{ $warn.="********.NO-LINK-NOW.*********  " }; 
	if($noLTO && $a=~s/^-flto$//) 		{ $warn.="********.flto.*********  " }; 

	push @ARG,$a if $a ne '' 
};


$_=$0;
$run='gcc47';
$run='g++47' if /\+\+/ || $forcexx;
$run='gfortran47' if /fortran|runf47/;
if ( /run47cpp|cpp47/ ) {
	$run='cpp47';
	$GCCFLAGS='';		# no need for CPP
};
if ( /gcc47\+\+/ ) {
	push @ARG,split(/\s+/,$GPPFLAGS) if $GPPFLAGS ne '';
};

#push @ARG,"-D__FreeBSD_cc_version=400001";
push @ARG,split(/\s+/,$GCCFLAGS) if $GCCFLAGS ne '';

print $ERR "-->> $pwd **::** $warn$run ".join(" \t",@ARG)." <<-\n"	if !$quiet;

exec("/usr/local/libexec/ccache/$run", @ARG);
exec("/usr/local/bin/$run", @ARG);

__END__

CC=/root/bin/run47 CXX=/root/bin/run47++ FC=/root/bin/run47f
CC=run47 CXX=run47++ FC=run47f

darktable (cmake):
env CC=run47 CXX=run47++ FC=runf47 ./build.sh /usr/test
env CC=run47 CXX=run47++ FC=run47f GCCFLAGS='-lstdc++ -g3' ./build.sh /usr/test

env LD_LIBRARY_PATH=/usr/test/lib/darktable /usr/test/bin/darktable


ln -sf run47 run47cpp
ln -sf run47 run47++
ln -sf run47 run47f

libdarktable.so: undefined reference to `std::ctype<char>::_M_widen_init() const@GLIBCXX_3.4.11'
-lstdc++

/etc/libmap.conf

[/usr/test/bin/darktable]
libstdc++.so.6  gcc47/libstdc++.so.6

[/usr/local/lib/]
libstdc++.so.6  gcc47/libstdc++.so.6