Jamrules #4

EXEC_DIRS = P4DCFG bin.$(OS:L)$(OSVER:EL)$(OSPLAT:EL) $(TYPE:L) ;
EXEC	?= [ FSubDirPath $(EXEC_DIRS) ] ;
ALL_LOCATE_TARGET = $(EXEC) ;

TYPE	?= opt ;

#
# Support for different build types
#
switch $(TYPE)
{
    case opt :
	    OPTIM = -O ;

    case g :
	    OPTIM = -g ;

    case pg :
	    OPTIM = -pg ;

    case * :
	    Exit Don't know build type $(TYPE) ;
}

#
# By default install into /usr/local/bin
#
BINDIR ?= /usr/local/bin ;
	
#
# OS variations
#
switch $(OS)
{
    case LINUX :
	    C++ = c++ ;
	    LINK = c++ ;
	    YACC = bison ;
	    YACCFLAGS += -b y ;
    case SOLARIS :
	    C++ = g++ ;
	    CC  = gcc ;
	    LINK = g++ ;
    case FREEBSD :
	    C++ = g++ ;
	    CC  = gcc ;
	    LINK = g++ ;
	case DARWIN :
		C++ = g++ ;
		CC  = gcc ;
		LINK = g++ ;

    case * :
	    Echo Don't know "$(OS)$(OSVER) or " $(OS). I'll try ;
}

#
# Rule for making sure that our executable is installed setuid root, which
# it needs to be to manage the pid files. Based on InstallInto and InstallBin
# in Jambase: unfortunately they don't get it quite right.
#
# SetUidRoot target : sources ;

rule SetUidRoot
{
	local _oldmode = $(EXEMODE) ;
	local _oldowner = $(OWNER) ;

	EXEMODE = 4711 ;
	OWNER = root ;

	Main $(<) : $(>) ;

	local i t ;

	t = [ FAppendSuffix $(<) : $(SUFEXE) ] ;
	t = $(t:G=$(INSTALLGRIST)) ;
	MODE on $(t) = $(EXEMODE) ;

	# Arrange for jam install
	# Arrange for jam uninstall
	# sources are in SEARCH_SOURCE
	# targets are in dir

	Depends install : $(t) ;
	Clean uninstall : $(t) ;
	SEARCH on $(<) = $(SEARCH_SOURCE) ;
	MakeLocate $(t) : $(BINDIR) ;

	# For each target, make gristed target name
	# and Install, Chmod, Chown, and Chgrp

	for i in $(<)
	{
	    local tt = $(i:G=$(INSTALLGRIST)) ;

	    Depends $(tt) : $(i) ;
	    Install $(tt) : $(i) ;

	    if $(OWNER) && $(CHOWN) 
	    { 
		Chown $(tt) ;
		OWNER on $(tt) = $(OWNER) ;
	    }

	    if $(GROUP) && $(CHGRP) 
	    { 
		Chgrp $(tt) ;
		GROUP on $(tt) = $(GROUP) ;
	    }

	    Chmod $(tt) ;
	}

	EXEMODE = $(_oldmode) ;
	OWNER	= $(_oldowner) ;
}