Revision dc2d2f297d38600d48b4f9dc41facfd7f4f7d5e1 authored by Fons Rademakers on 13 October 2010, 10:39:18 UTC, committed by Fons Rademakers on 13 October 2010, 10:39:18 UTC
git-svn-id: http://root.cern.ch/svn/root/tags/v5-26-00e@36332 27541ba8-7e3a-0410-8455-c3a389f83636
1 parent cdc6862
Makefile.precomp
# -*- mode: makefile -*-
#
# Makefile containing precompiled header rules
# Get the list of all included ROOT headers and how often they are
# included by running :
# cat */src/*.d|egrep '.o: '|sed 's,^[^:]*: ,,'|tr ' ' '\n'|sort \
# |awk '{if(o!=$1){if(n)printf "%8d %s\n",n,o;o=$1;n=0;};n++}' \
# |sort -n -r | head
ifeq ($(INCLUDEPCHRULES),)
PCHHEADERS = TObject.h
PCHEXTRASRC = core/base/src/precompile.cxx
PCHEXTRAOBJ = $(PCHEXTRASRC:.cxx=.o)
PCHEXTRADEP = $(PCHEXTRASRC:.cxx=.d)
PCHEXTRAHDRI = config/precompile.h.in
PCHEXTRAHDR = include/precompile.h
PCHDEP = $(PCHFILE)
ALLHDRS += $(PCHEXTRAHDR)
INCLUDEFILES += $(PCHEXTRADEP)
else
$(PCHEXTRAHDR): PCHINCSTATEM = // see config/Makefile.precomp$(addprefix @\1",$(addsuffix "\2,$(PCHHEADERS)))
$(PCHEXTRAHDR): $(PCHEXTRAHDRI)
cat $< | \
sed 's,\(#[ ]*include \)@PRECOMPILE@\(.*\)$$,$(PCHINCSTATEM),' | \
tr '@' '\n' > $@
$(PCHEXTRAOBJ) $(PCHFILE): $(PCHEXTRAHDR) $(W32PRAGMA) $(RMKDEP)
@echo Building precompiled header...
$(MAKEDEP) -R -f$(PCHEXTRADEP).tmp -Y -w 1000 -- $(CXXFLAGS) -DUSEPCH -D__cplusplus -- $<
sed -e 's,include/precompile.o,$(PCHFILE),' \
-e 's,include/precompile.d,$(PCHEXTRADEP),' $(PCHEXTRADEP).tmp > $(PCHEXTRADEP)
rm -f $(PCHEXTRADEP).tmp
rm -f $(PCHFILE)
$(PCHEXTRAOBJBUILD)
endif
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